Tom Rini | 83d290c | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2 | /* |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 3 | * (C) Copyright 2002-2004 |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 4 | * Brad Kemp, Seranoa Networks, Brad.Kemp@seranoa.com |
| 5 | * |
| 6 | * Copyright (C) 2003 Arabella Software Ltd. |
| 7 | * Yuli Barcohen <yuli@arabellasw.com> |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 8 | * |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 9 | * Copyright (C) 2004 |
| 10 | * Ed Okerson |
Stefan Roese | 260421a | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 11 | * |
| 12 | * Copyright (C) 2006 |
| 13 | * Tolunay Orkun <listmember@orkun.us> |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 14 | */ |
| 15 | |
| 16 | /* The DEBUG define must be before common to enable debugging */ |
wdenk | 2d1a537 | 2004-02-23 19:30:57 +0000 | [diff] [blame] | 17 | /* #define DEBUG */ |
| 18 | |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 19 | #include <common.h> |
Simon Glass | 24b852a | 2015-11-08 23:47:45 -0700 | [diff] [blame] | 20 | #include <console.h> |
Thomas Chou | f105691 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 21 | #include <dm.h> |
Simon Glass | 3a7d557 | 2019-08-01 09:46:42 -0600 | [diff] [blame] | 22 | #include <env.h> |
Thomas Chou | f105691 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 23 | #include <errno.h> |
| 24 | #include <fdt_support.h> |
Simon Glass | b79fdc7 | 2020-05-10 11:39:54 -0600 | [diff] [blame^] | 25 | #include <flash.h> |
Simon Glass | c30b7ad | 2019-11-14 12:57:41 -0700 | [diff] [blame] | 26 | #include <irq_func.h> |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 27 | #include <asm/processor.h> |
Haiying Wang | 3a197b2 | 2007-02-21 16:52:31 +0100 | [diff] [blame] | 28 | #include <asm/io.h> |
wdenk | 4c0d4c3 | 2004-06-09 17:34:58 +0000 | [diff] [blame] | 29 | #include <asm/byteorder.h> |
Andrew Gabbasov | aedadf1 | 2013-05-14 12:27:52 -0500 | [diff] [blame] | 30 | #include <asm/unaligned.h> |
Simon Glass | f3998fd | 2019-08-02 09:44:25 -0600 | [diff] [blame] | 31 | #include <env_internal.h> |
Stefan Roese | fa36ae7 | 2009-10-27 15:15:55 +0100 | [diff] [blame] | 32 | #include <mtd/cfi_flash.h> |
Jens Scharsig (BuS Elektronik) | a9f5fab | 2012-01-27 09:29:53 +0100 | [diff] [blame] | 33 | #include <watchdog.h> |
wdenk | 028ab6b | 2004-02-23 23:54:43 +0000 | [diff] [blame] | 34 | |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 35 | /* |
Haavard Skinnemoen | 7e5b9b4 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 36 | * This file implements a Common Flash Interface (CFI) driver for |
| 37 | * U-Boot. |
| 38 | * |
| 39 | * The width of the port and the width of the chips are determined at |
| 40 | * initialization. These widths are used to calculate the address for |
| 41 | * access CFI data structures. |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 42 | * |
| 43 | * References |
| 44 | * JEDEC Standard JESD68 - Common Flash Interface (CFI) |
| 45 | * JEDEC Standard JEP137-A Common Flash Interface (CFI) ID Codes |
| 46 | * Intel Application Note 646 Common Flash Interface (CFI) and Command Sets |
| 47 | * Intel 290667-008 3 Volt Intel StrataFlash Memory datasheet |
Stefan Roese | 260421a | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 48 | * AMD CFI Specification, Release 2.0 December 1, 2001 |
| 49 | * AMD/Spansion Application Note: Migration from Single-byte to Three-byte |
| 50 | * Device IDs, Publication Number 25538 Revision A, November 8, 2001 |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 51 | * |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 52 | * Define CONFIG_SYS_WRITE_SWAPPED_DATA, if you have to swap the Bytes between |
Heiko Schocher | d0b6e14 | 2007-01-19 18:05:26 +0100 | [diff] [blame] | 53 | * reading and writing ... (yes there is such a Hardware). |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 54 | */ |
| 55 | |
Thomas Chou | f105691 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 56 | DECLARE_GLOBAL_DATA_PTR; |
| 57 | |
Haavard Skinnemoen | 7e5b9b4 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 58 | static uint flash_offset_cfi[2] = { FLASH_OFFSET_CFI, FLASH_OFFSET_CFI_ALT }; |
Mike Frysinger | 4ffeab2 | 2010-12-22 09:41:13 -0500 | [diff] [blame] | 59 | #ifdef CONFIG_FLASH_CFI_MTD |
Piotr Ziecik | 6ea808e | 2008-11-17 15:49:32 +0100 | [diff] [blame] | 60 | static uint flash_verbose = 1; |
Mike Frysinger | 4ffeab2 | 2010-12-22 09:41:13 -0500 | [diff] [blame] | 61 | #else |
| 62 | #define flash_verbose 1 |
| 63 | #endif |
Wolfgang Denk | 92eb729 | 2006-12-27 01:26:13 +0100 | [diff] [blame] | 64 | |
Wolfgang Denk | 2a112b2 | 2008-08-08 16:39:54 +0200 | [diff] [blame] | 65 | flash_info_t flash_info[CFI_MAX_FLASH_BANKS]; /* FLASH chips info */ |
| 66 | |
Stefan Roese | 79b4cda | 2006-02-28 15:29:58 +0100 | [diff] [blame] | 67 | /* |
| 68 | * Check if chip width is defined. If not, start detecting with 8bit. |
| 69 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 70 | #ifndef CONFIG_SYS_FLASH_CFI_WIDTH |
| 71 | #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_8BIT |
Stefan Roese | 79b4cda | 2006-02-28 15:29:58 +0100 | [diff] [blame] | 72 | #endif |
| 73 | |
Jeroen Hofstee | 00dcb07 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 74 | #ifdef CONFIG_CFI_FLASH_USE_WEAK_ACCESSORS |
| 75 | #define __maybe_weak __weak |
| 76 | #else |
| 77 | #define __maybe_weak static |
| 78 | #endif |
| 79 | |
Stefan Roese | 6f726f9 | 2010-10-25 18:31:48 +0200 | [diff] [blame] | 80 | /* |
| 81 | * 0xffff is an undefined value for the configuration register. When |
| 82 | * this value is returned, the configuration register shall not be |
| 83 | * written at all (default mode). |
| 84 | */ |
| 85 | static u16 cfi_flash_config_reg(int i) |
| 86 | { |
| 87 | #ifdef CONFIG_SYS_CFI_FLASH_CONFIG_REGS |
| 88 | return ((u16 [])CONFIG_SYS_CFI_FLASH_CONFIG_REGS)[i]; |
| 89 | #else |
| 90 | return 0xffff; |
| 91 | #endif |
| 92 | } |
| 93 | |
Stefan Roese | ca5def3 | 2010-08-31 10:00:10 +0200 | [diff] [blame] | 94 | #if defined(CONFIG_SYS_MAX_FLASH_BANKS_DETECT) |
| 95 | int cfi_flash_num_flash_banks = CONFIG_SYS_MAX_FLASH_BANKS_DETECT; |
Mario Six | d9a3569 | 2018-01-26 14:43:56 +0100 | [diff] [blame] | 96 | #else |
| 97 | int cfi_flash_num_flash_banks; |
Stefan Roese | ca5def3 | 2010-08-31 10:00:10 +0200 | [diff] [blame] | 98 | #endif |
| 99 | |
Thomas Chou | f105691 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 100 | #ifdef CONFIG_CFI_FLASH /* for driver model */ |
| 101 | static void cfi_flash_init_dm(void) |
| 102 | { |
| 103 | struct udevice *dev; |
| 104 | |
| 105 | cfi_flash_num_flash_banks = 0; |
| 106 | /* |
| 107 | * The uclass_first_device() will probe the first device and |
| 108 | * uclass_next_device() will probe the rest if they exist. So |
| 109 | * that cfi_flash_probe() will get called assigning the base |
| 110 | * addresses that are available. |
| 111 | */ |
| 112 | for (uclass_first_device(UCLASS_MTD, &dev); |
| 113 | dev; |
| 114 | uclass_next_device(&dev)) { |
| 115 | } |
| 116 | } |
| 117 | |
Thomas Chou | f105691 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 118 | phys_addr_t cfi_flash_bank_addr(int i) |
| 119 | { |
Marek Vasut | 1ec0a37 | 2017-09-12 19:09:08 +0200 | [diff] [blame] | 120 | return flash_info[i].base; |
Thomas Chou | f105691 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 121 | } |
| 122 | #else |
Jeroen Hofstee | 00dcb07 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 123 | __weak phys_addr_t cfi_flash_bank_addr(int i) |
Stefan Roese | b00e19c | 2010-08-30 10:11:51 +0200 | [diff] [blame] | 124 | { |
| 125 | return ((phys_addr_t [])CONFIG_SYS_FLASH_BANKS_LIST)[i]; |
| 126 | } |
Thomas Chou | f105691 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 127 | #endif |
Stefan Roese | b00e19c | 2010-08-30 10:11:51 +0200 | [diff] [blame] | 128 | |
Jeroen Hofstee | 00dcb07 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 129 | __weak unsigned long cfi_flash_bank_size(int i) |
Ilya Yanok | ec50a8e | 2010-10-21 17:20:12 +0200 | [diff] [blame] | 130 | { |
| 131 | #ifdef CONFIG_SYS_FLASH_BANKS_SIZES |
| 132 | return ((unsigned long [])CONFIG_SYS_FLASH_BANKS_SIZES)[i]; |
| 133 | #else |
| 134 | return 0; |
| 135 | #endif |
| 136 | } |
Ilya Yanok | ec50a8e | 2010-10-21 17:20:12 +0200 | [diff] [blame] | 137 | |
Jeroen Hofstee | 00dcb07 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 138 | __maybe_weak void flash_write8(u8 value, void *addr) |
Haavard Skinnemoen | cdbaefb | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 139 | { |
| 140 | __raw_writeb(value, addr); |
| 141 | } |
| 142 | |
Jeroen Hofstee | 00dcb07 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 143 | __maybe_weak void flash_write16(u16 value, void *addr) |
Haavard Skinnemoen | cdbaefb | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 144 | { |
| 145 | __raw_writew(value, addr); |
| 146 | } |
| 147 | |
Jeroen Hofstee | 00dcb07 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 148 | __maybe_weak void flash_write32(u32 value, void *addr) |
Haavard Skinnemoen | cdbaefb | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 149 | { |
| 150 | __raw_writel(value, addr); |
| 151 | } |
| 152 | |
Jeroen Hofstee | 00dcb07 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 153 | __maybe_weak void flash_write64(u64 value, void *addr) |
Haavard Skinnemoen | cdbaefb | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 154 | { |
| 155 | /* No architectures currently implement __raw_writeq() */ |
| 156 | *(volatile u64 *)addr = value; |
| 157 | } |
| 158 | |
Jeroen Hofstee | 00dcb07 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 159 | __maybe_weak u8 flash_read8(void *addr) |
Haavard Skinnemoen | cdbaefb | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 160 | { |
| 161 | return __raw_readb(addr); |
| 162 | } |
| 163 | |
Jeroen Hofstee | 00dcb07 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 164 | __maybe_weak u16 flash_read16(void *addr) |
Haavard Skinnemoen | cdbaefb | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 165 | { |
| 166 | return __raw_readw(addr); |
| 167 | } |
| 168 | |
Jeroen Hofstee | 00dcb07 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 169 | __maybe_weak u32 flash_read32(void *addr) |
Haavard Skinnemoen | cdbaefb | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 170 | { |
| 171 | return __raw_readl(addr); |
| 172 | } |
| 173 | |
Jeroen Hofstee | 00dcb07 | 2014-10-08 22:57:23 +0200 | [diff] [blame] | 174 | __maybe_weak u64 flash_read64(void *addr) |
Haavard Skinnemoen | cdbaefb | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 175 | { |
| 176 | /* No architectures currently implement __raw_readq() */ |
| 177 | return *(volatile u64 *)addr; |
| 178 | } |
| 179 | |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 180 | /*----------------------------------------------------------------------- |
| 181 | */ |
Mario Six | ddcf054 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 182 | #if defined(CONFIG_ENV_IS_IN_FLASH) || defined(CONFIG_ENV_ADDR_REDUND) || \ |
Vignesh Raghavendra | d75eacf | 2019-10-23 13:30:00 +0530 | [diff] [blame] | 183 | (defined(CONFIG_SYS_MONITOR_BASE) && \ |
| 184 | (CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE)) |
Marek Vasut | 236c49a | 2017-08-20 17:20:00 +0200 | [diff] [blame] | 185 | static flash_info_t *flash_get_info(ulong base) |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 186 | { |
| 187 | int i; |
Masahiro Yamada | 24c185c | 2013-05-17 14:50:37 +0900 | [diff] [blame] | 188 | flash_info_t *info; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 189 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 190 | for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { |
Masahiro Yamada | e2e273a | 2013-05-17 14:50:36 +0900 | [diff] [blame] | 191 | info = &flash_info[i]; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 192 | if (info->size && info->start[0] <= base && |
| 193 | base <= info->start[0] + info->size - 1) |
Masahiro Yamada | 24c185c | 2013-05-17 14:50:37 +0900 | [diff] [blame] | 194 | return info; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 195 | } |
| 196 | |
Masahiro Yamada | 24c185c | 2013-05-17 14:50:37 +0900 | [diff] [blame] | 197 | return NULL; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 198 | } |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 199 | #endif |
| 200 | |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 201 | unsigned long flash_sector_size(flash_info_t *info, flash_sect_t sect) |
| 202 | { |
| 203 | if (sect != (info->sector_count - 1)) |
| 204 | return info->start[sect + 1] - info->start[sect]; |
| 205 | else |
| 206 | return info->start[0] + info->size - info->start[sect]; |
| 207 | } |
| 208 | |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 209 | /*----------------------------------------------------------------------- |
| 210 | * create an address based on the offset and the port width |
| 211 | */ |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 212 | static inline void * |
Mario Six | ca2b07a | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 213 | flash_map(flash_info_t *info, flash_sect_t sect, uint offset) |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 214 | { |
Stefan Roese | e303be2 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 215 | unsigned int byte_offset = offset * info->portwidth; |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 216 | |
Stefan Roese | e303be2 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 217 | return (void *)(info->start[sect] + byte_offset); |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 218 | } |
| 219 | |
| 220 | static inline void flash_unmap(flash_info_t *info, flash_sect_t sect, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 221 | unsigned int offset, void *addr) |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 222 | { |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 223 | } |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 224 | |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 225 | /*----------------------------------------------------------------------- |
| 226 | * make a proper sized command based on the port and chip widths |
| 227 | */ |
Sebastian Siewior | 7288f97 | 2008-07-15 13:35:23 +0200 | [diff] [blame] | 228 | static void flash_make_cmd(flash_info_t *info, u32 cmd, void *cmdbuf) |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 229 | { |
| 230 | int i; |
Vasiliy Leoenenko | 93c56f2 | 2008-05-07 21:24:44 +0400 | [diff] [blame] | 231 | int cword_offset; |
| 232 | int cp_offset; |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 233 | #if defined(__LITTLE_ENDIAN) || defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
Sebastian Siewior | 340ccb2 | 2008-07-16 20:04:49 +0200 | [diff] [blame] | 234 | u32 cmd_le = cpu_to_le32(cmd); |
| 235 | #endif |
Vasiliy Leoenenko | 93c56f2 | 2008-05-07 21:24:44 +0400 | [diff] [blame] | 236 | uchar val; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 237 | uchar *cp = (uchar *) cmdbuf; |
| 238 | |
Mario Six | b168386 | 2018-01-26 14:43:33 +0100 | [diff] [blame] | 239 | for (i = info->portwidth; i > 0; i--) { |
Mario Six | 640f4e3 | 2018-01-26 14:43:36 +0100 | [diff] [blame] | 240 | cword_offset = (info->portwidth - i) % info->chipwidth; |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 241 | #if defined(__LITTLE_ENDIAN) || defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
Vasiliy Leoenenko | 93c56f2 | 2008-05-07 21:24:44 +0400 | [diff] [blame] | 242 | cp_offset = info->portwidth - i; |
Mario Six | db91bb2 | 2018-01-26 14:43:34 +0100 | [diff] [blame] | 243 | val = *((uchar *)&cmd_le + cword_offset); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 244 | #else |
Vasiliy Leoenenko | 93c56f2 | 2008-05-07 21:24:44 +0400 | [diff] [blame] | 245 | cp_offset = i - 1; |
Mario Six | db91bb2 | 2018-01-26 14:43:34 +0100 | [diff] [blame] | 246 | val = *((uchar *)&cmd + sizeof(u32) - cword_offset - 1); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 247 | #endif |
Sebastian Siewior | 7288f97 | 2008-07-15 13:35:23 +0200 | [diff] [blame] | 248 | cp[cp_offset] = (cword_offset >= sizeof(u32)) ? 0x00 : val; |
Vasiliy Leoenenko | 93c56f2 | 2008-05-07 21:24:44 +0400 | [diff] [blame] | 249 | } |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 250 | } |
| 251 | |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 252 | #ifdef DEBUG |
| 253 | /*----------------------------------------------------------------------- |
| 254 | * Debug support |
| 255 | */ |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 256 | static void print_longlong(char *str, unsigned long long data) |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 257 | { |
| 258 | int i; |
| 259 | char *cp; |
| 260 | |
Mario Six | 640f4e3 | 2018-01-26 14:43:36 +0100 | [diff] [blame] | 261 | cp = (char *)&data; |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 262 | for (i = 0; i < 8; i++) |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 263 | sprintf(&str[i * 2], "%2.2x", *cp++); |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 264 | } |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 265 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 266 | static void flash_printqry(struct cfi_qry *qry) |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 267 | { |
Haavard Skinnemoen | e23741f | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 268 | u8 *p = (u8 *)qry; |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 269 | int x, y; |
| 270 | |
Haavard Skinnemoen | e23741f | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 271 | for (x = 0; x < sizeof(struct cfi_qry); x += 16) { |
| 272 | debug("%02x : ", x); |
| 273 | for (y = 0; y < 16; y++) |
| 274 | debug("%2.2x ", p[x + y]); |
| 275 | debug(" "); |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 276 | for (y = 0; y < 16; y++) { |
Haavard Skinnemoen | e23741f | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 277 | unsigned char c = p[x + y]; |
Mario Six | 7223a8c | 2018-01-26 14:43:37 +0100 | [diff] [blame] | 278 | |
Haavard Skinnemoen | e23741f | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 279 | if (c >= 0x20 && c <= 0x7e) |
| 280 | debug("%c", c); |
| 281 | else |
| 282 | debug("."); |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 283 | } |
Haavard Skinnemoen | e23741f | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 284 | debug("\n"); |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 285 | } |
| 286 | } |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 287 | #endif |
| 288 | |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 289 | /*----------------------------------------------------------------------- |
| 290 | * read a character at a port width address |
| 291 | */ |
Mario Six | ca2b07a | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 292 | static inline uchar flash_read_uchar(flash_info_t *info, uint offset) |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 293 | { |
| 294 | uchar *cp; |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 295 | uchar retval; |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 296 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 297 | cp = flash_map(info, 0, offset); |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 298 | #if defined(__LITTLE_ENDIAN) || defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 299 | retval = flash_read8(cp); |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 300 | #else |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 301 | retval = flash_read8(cp + info->portwidth - 1); |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 302 | #endif |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 303 | flash_unmap(info, 0, offset, cp); |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 304 | return retval; |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 305 | } |
| 306 | |
| 307 | /*----------------------------------------------------------------------- |
Tor Krill | 90447ec | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 308 | * read a word at a port width address, assume 16bit bus |
| 309 | */ |
Mario Six | ca2b07a | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 310 | static inline ushort flash_read_word(flash_info_t *info, uint offset) |
Tor Krill | 90447ec | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 311 | { |
| 312 | ushort *addr, retval; |
| 313 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 314 | addr = flash_map(info, 0, offset); |
| 315 | retval = flash_read16(addr); |
| 316 | flash_unmap(info, 0, offset, addr); |
Tor Krill | 90447ec | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 317 | return retval; |
| 318 | } |
| 319 | |
Tor Krill | 90447ec | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 320 | /*----------------------------------------------------------------------- |
Stefan Roese | 260421a | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 321 | * read a long word by picking the least significant byte of each maximum |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 322 | * port size word. Swap for ppc format. |
| 323 | */ |
Mario Six | ca2b07a | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 324 | static ulong flash_read_long (flash_info_t *info, flash_sect_t sect, |
Haavard Skinnemoen | 3055793 | 2007-12-13 12:56:29 +0100 | [diff] [blame] | 325 | uint offset) |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 326 | { |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 327 | uchar *addr; |
| 328 | ulong retval; |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 329 | |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 330 | #ifdef DEBUG |
| 331 | int x; |
| 332 | #endif |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 333 | addr = flash_map(info, sect, offset); |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 334 | |
| 335 | #ifdef DEBUG |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 336 | debug("long addr is at %p info->portwidth = %d\n", addr, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 337 | info->portwidth); |
Mario Six | 0412e90 | 2018-01-26 14:43:38 +0100 | [diff] [blame] | 338 | for (x = 0; x < 4 * info->portwidth; x++) |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 339 | debug("addr[%x] = 0x%x\n", x, flash_read8(addr + x)); |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 340 | #endif |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 341 | #if defined(__LITTLE_ENDIAN) || defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 342 | retval = ((flash_read8(addr) << 16) | |
| 343 | (flash_read8(addr + info->portwidth) << 24) | |
| 344 | (flash_read8(addr + 2 * info->portwidth)) | |
| 345 | (flash_read8(addr + 3 * info->portwidth) << 8)); |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 346 | #else |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 347 | retval = ((flash_read8(addr + 2 * info->portwidth - 1) << 24) | |
| 348 | (flash_read8(addr + info->portwidth - 1) << 16) | |
| 349 | (flash_read8(addr + 4 * info->portwidth - 1) << 8) | |
| 350 | (flash_read8(addr + 3 * info->portwidth - 1))); |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 351 | #endif |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 352 | flash_unmap(info, sect, offset, addr); |
| 353 | |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 354 | return retval; |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 355 | } |
| 356 | |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 357 | /* |
| 358 | * Write a proper sized command to the correct address |
| 359 | */ |
Marek Vasut | 236c49a | 2017-08-20 17:20:00 +0200 | [diff] [blame] | 360 | static void flash_write_cmd(flash_info_t *info, flash_sect_t sect, |
| 361 | uint offset, u32 cmd) |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 362 | { |
Haavard Skinnemoen | cdbaefb | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 363 | void *addr; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 364 | cfiword_t cword; |
| 365 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 366 | addr = flash_map(info, sect, offset); |
| 367 | flash_make_cmd(info, cmd, &cword); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 368 | switch (info->portwidth) { |
| 369 | case FLASH_CFI_8BIT: |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 370 | debug("fwc addr %p cmd %x %x 8bit x %d bit\n", addr, cmd, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 371 | cword.w8, info->chipwidth << CFI_FLASH_SHIFT_WIDTH); |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 372 | flash_write8(cword.w8, addr); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 373 | break; |
| 374 | case FLASH_CFI_16BIT: |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 375 | debug("fwc addr %p cmd %x %4.4x 16bit x %d bit\n", addr, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 376 | cmd, cword.w16, |
| 377 | info->chipwidth << CFI_FLASH_SHIFT_WIDTH); |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 378 | flash_write16(cword.w16, addr); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 379 | break; |
| 380 | case FLASH_CFI_32BIT: |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 381 | debug("fwc addr %p cmd %x %8.8x 32bit x %d bit\n", addr, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 382 | cmd, cword.w32, |
| 383 | info->chipwidth << CFI_FLASH_SHIFT_WIDTH); |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 384 | flash_write32(cword.w32, addr); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 385 | break; |
| 386 | case FLASH_CFI_64BIT: |
| 387 | #ifdef DEBUG |
| 388 | { |
| 389 | char str[20]; |
| 390 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 391 | print_longlong(str, cword.w64); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 392 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 393 | debug("fwrite addr %p cmd %x %s 64 bit x %d bit\n", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 394 | addr, cmd, str, |
| 395 | info->chipwidth << CFI_FLASH_SHIFT_WIDTH); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 396 | } |
| 397 | #endif |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 398 | flash_write64(cword.w64, addr); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 399 | break; |
| 400 | } |
| 401 | |
| 402 | /* Ensure all the instructions are fully finished */ |
| 403 | sync(); |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 404 | |
| 405 | flash_unmap(info, sect, offset, addr); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 406 | } |
| 407 | |
Mario Six | ca2b07a | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 408 | static void flash_unlock_seq(flash_info_t *info, flash_sect_t sect) |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 409 | { |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 410 | flash_write_cmd(info, sect, info->addr_unlock1, AMD_CMD_UNLOCK_START); |
| 411 | flash_write_cmd(info, sect, info->addr_unlock2, AMD_CMD_UNLOCK_ACK); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 412 | } |
| 413 | |
| 414 | /*----------------------------------------------------------------------- |
| 415 | */ |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 416 | static int flash_isequal(flash_info_t *info, flash_sect_t sect, uint offset, |
| 417 | uchar cmd) |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 418 | { |
Haavard Skinnemoen | cdbaefb | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 419 | void *addr; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 420 | cfiword_t cword; |
| 421 | int retval; |
| 422 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 423 | addr = flash_map(info, sect, offset); |
| 424 | flash_make_cmd(info, cmd, &cword); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 425 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 426 | debug("is= cmd %x(%c) addr %p ", cmd, cmd, addr); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 427 | switch (info->portwidth) { |
| 428 | case FLASH_CFI_8BIT: |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 429 | debug("is= %x %x\n", flash_read8(addr), cword.w8); |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 430 | retval = (flash_read8(addr) == cword.w8); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 431 | break; |
| 432 | case FLASH_CFI_16BIT: |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 433 | debug("is= %4.4x %4.4x\n", flash_read16(addr), cword.w16); |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 434 | retval = (flash_read16(addr) == cword.w16); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 435 | break; |
| 436 | case FLASH_CFI_32BIT: |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 437 | debug("is= %8.8x %8.8x\n", flash_read32(addr), cword.w32); |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 438 | retval = (flash_read32(addr) == cword.w32); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 439 | break; |
| 440 | case FLASH_CFI_64BIT: |
| 441 | #ifdef DEBUG |
| 442 | { |
| 443 | char str1[20]; |
| 444 | char str2[20]; |
| 445 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 446 | print_longlong(str1, flash_read64(addr)); |
| 447 | print_longlong(str2, cword.w64); |
| 448 | debug("is= %s %s\n", str1, str2); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 449 | } |
| 450 | #endif |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 451 | retval = (flash_read64(addr) == cword.w64); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 452 | break; |
| 453 | default: |
| 454 | retval = 0; |
| 455 | break; |
| 456 | } |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 457 | flash_unmap(info, sect, offset, addr); |
| 458 | |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 459 | return retval; |
| 460 | } |
| 461 | |
| 462 | /*----------------------------------------------------------------------- |
| 463 | */ |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 464 | static int flash_isset(flash_info_t *info, flash_sect_t sect, uint offset, |
| 465 | uchar cmd) |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 466 | { |
Haavard Skinnemoen | cdbaefb | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 467 | void *addr; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 468 | cfiword_t cword; |
| 469 | int retval; |
| 470 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 471 | addr = flash_map(info, sect, offset); |
| 472 | flash_make_cmd(info, cmd, &cword); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 473 | switch (info->portwidth) { |
| 474 | case FLASH_CFI_8BIT: |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 475 | retval = ((flash_read8(addr) & cword.w8) == cword.w8); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 476 | break; |
| 477 | case FLASH_CFI_16BIT: |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 478 | retval = ((flash_read16(addr) & cword.w16) == cword.w16); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 479 | break; |
| 480 | case FLASH_CFI_32BIT: |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 481 | retval = ((flash_read32(addr) & cword.w32) == cword.w32); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 482 | break; |
| 483 | case FLASH_CFI_64BIT: |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 484 | retval = ((flash_read64(addr) & cword.w64) == cword.w64); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 485 | break; |
| 486 | default: |
| 487 | retval = 0; |
| 488 | break; |
| 489 | } |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 490 | flash_unmap(info, sect, offset, addr); |
| 491 | |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 492 | return retval; |
| 493 | } |
| 494 | |
| 495 | /*----------------------------------------------------------------------- |
| 496 | */ |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 497 | static int flash_toggle(flash_info_t *info, flash_sect_t sect, uint offset, |
| 498 | uchar cmd) |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 499 | { |
Mario Six | 5312838 | 2018-01-26 14:43:49 +0100 | [diff] [blame] | 500 | u8 *addr; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 501 | cfiword_t cword; |
| 502 | int retval; |
| 503 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 504 | addr = flash_map(info, sect, offset); |
| 505 | flash_make_cmd(info, cmd, &cword); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 506 | switch (info->portwidth) { |
| 507 | case FLASH_CFI_8BIT: |
Stefan Roese | fb8c061 | 2008-06-16 10:40:02 +0200 | [diff] [blame] | 508 | retval = flash_read8(addr) != flash_read8(addr); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 509 | break; |
| 510 | case FLASH_CFI_16BIT: |
Stefan Roese | fb8c061 | 2008-06-16 10:40:02 +0200 | [diff] [blame] | 511 | retval = flash_read16(addr) != flash_read16(addr); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 512 | break; |
| 513 | case FLASH_CFI_32BIT: |
Stefan Roese | fb8c061 | 2008-06-16 10:40:02 +0200 | [diff] [blame] | 514 | retval = flash_read32(addr) != flash_read32(addr); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 515 | break; |
| 516 | case FLASH_CFI_64BIT: |
Mario Six | b168386 | 2018-01-26 14:43:33 +0100 | [diff] [blame] | 517 | retval = ((flash_read32(addr) != flash_read32(addr)) || |
Mario Six | 640f4e3 | 2018-01-26 14:43:36 +0100 | [diff] [blame] | 518 | (flash_read32(addr + 4) != flash_read32(addr + 4))); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 519 | break; |
| 520 | default: |
| 521 | retval = 0; |
| 522 | break; |
| 523 | } |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 524 | flash_unmap(info, sect, offset, addr); |
| 525 | |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 526 | return retval; |
| 527 | } |
| 528 | |
| 529 | /* |
| 530 | * flash_is_busy - check to see if the flash is busy |
| 531 | * |
| 532 | * This routine checks the status of the chip and returns true if the |
| 533 | * chip is busy. |
| 534 | */ |
Mario Six | ca2b07a | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 535 | static int flash_is_busy(flash_info_t *info, flash_sect_t sect) |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 536 | { |
| 537 | int retval; |
| 538 | |
| 539 | switch (info->vendor) { |
Vasiliy Leoenenko | 9c048b5 | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 540 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 541 | case CFI_CMDSET_INTEL_STANDARD: |
| 542 | case CFI_CMDSET_INTEL_EXTENDED: |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 543 | retval = !flash_isset(info, sect, 0, FLASH_STATUS_DONE); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 544 | break; |
| 545 | case CFI_CMDSET_AMD_STANDARD: |
| 546 | case CFI_CMDSET_AMD_EXTENDED: |
Michael Schwingen | 81b20cc | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 547 | #ifdef CONFIG_FLASH_CFI_LEGACY |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 548 | case CFI_CMDSET_AMD_LEGACY: |
| 549 | #endif |
Marek Vasut | 72443c7 | 2017-09-12 19:09:31 +0200 | [diff] [blame] | 550 | if (info->sr_supported) { |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 551 | flash_write_cmd(info, sect, info->addr_unlock1, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 552 | FLASH_CMD_READ_STATUS); |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 553 | retval = !flash_isset(info, sect, 0, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 554 | FLASH_STATUS_DONE); |
Marek Vasut | 72443c7 | 2017-09-12 19:09:31 +0200 | [diff] [blame] | 555 | } else { |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 556 | retval = flash_toggle(info, sect, 0, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 557 | AMD_STATUS_TOGGLE); |
Marek Vasut | 72443c7 | 2017-09-12 19:09:31 +0200 | [diff] [blame] | 558 | } |
| 559 | |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 560 | break; |
| 561 | default: |
| 562 | retval = 0; |
Michael Schwingen | 81b20cc | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 563 | } |
Mario Six | 38d2831 | 2018-01-26 14:43:40 +0100 | [diff] [blame] | 564 | debug("%s: %d\n", __func__, retval); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 565 | return retval; |
Michael Schwingen | 81b20cc | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 566 | } |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 567 | |
| 568 | /*----------------------------------------------------------------------- |
| 569 | * wait for XSR.7 to be set. Time out with an error if it does not. |
| 570 | * This routine does not set the flash to read-array mode. |
| 571 | */ |
Mario Six | ca2b07a | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 572 | static int flash_status_check(flash_info_t *info, flash_sect_t sector, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 573 | ulong tout, char *prompt) |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 574 | { |
| 575 | ulong start; |
| 576 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 577 | #if CONFIG_SYS_HZ != 1000 |
Mario Six | ddcf054 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 578 | /* Avoid overflow for large HZ */ |
Renato Andreola | c40c94a | 2010-03-24 23:00:47 +0800 | [diff] [blame] | 579 | if ((ulong)CONFIG_SYS_HZ > 100000) |
Mario Six | ddcf054 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 580 | tout *= (ulong)CONFIG_SYS_HZ / 1000; |
Renato Andreola | c40c94a | 2010-03-24 23:00:47 +0800 | [diff] [blame] | 581 | else |
| 582 | tout = DIV_ROUND_UP(tout * (ulong)CONFIG_SYS_HZ, 1000); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 583 | #endif |
| 584 | |
| 585 | /* Wait for command completion */ |
Graeme Russ | e110c4f | 2011-07-15 02:18:56 +0000 | [diff] [blame] | 586 | #ifdef CONFIG_SYS_LOW_RES_TIMER |
Thomas Chou | 22d6c8f | 2010-04-01 11:15:05 +0800 | [diff] [blame] | 587 | reset_timer(); |
Graeme Russ | e110c4f | 2011-07-15 02:18:56 +0000 | [diff] [blame] | 588 | #endif |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 589 | start = get_timer(0); |
Jens Scharsig (BuS Elektronik) | a9f5fab | 2012-01-27 09:29:53 +0100 | [diff] [blame] | 590 | WATCHDOG_RESET(); |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 591 | while (flash_is_busy(info, sector)) { |
| 592 | if (get_timer(start) > tout) { |
| 593 | printf("Flash %s timeout at address %lx data %lx\n", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 594 | prompt, info->start[sector], |
| 595 | flash_read_long(info, sector, 0)); |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 596 | flash_write_cmd(info, sector, 0, info->cmd_reset); |
Stefan Roese | e303be2 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 597 | udelay(1); |
Mario Six | 9dbaebc | 2018-01-26 14:43:52 +0100 | [diff] [blame] | 598 | return ERR_TIMEOUT; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 599 | } |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 600 | udelay(1); /* also triggers watchdog */ |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 601 | } |
| 602 | return ERR_OK; |
| 603 | } |
| 604 | |
| 605 | /*----------------------------------------------------------------------- |
| 606 | * Wait for XSR.7 to be set, if it times out print an error, otherwise |
| 607 | * do a full status check. |
| 608 | * |
| 609 | * This routine sets the flash to read-array mode. |
| 610 | */ |
Mario Six | ca2b07a | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 611 | static int flash_full_status_check(flash_info_t *info, flash_sect_t sector, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 612 | ulong tout, char *prompt) |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 613 | { |
| 614 | int retcode; |
| 615 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 616 | retcode = flash_status_check(info, sector, tout, prompt); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 617 | switch (info->vendor) { |
Vasiliy Leoenenko | 9c048b5 | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 618 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 619 | case CFI_CMDSET_INTEL_EXTENDED: |
| 620 | case CFI_CMDSET_INTEL_STANDARD: |
Mario Six | 4f89da4 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 621 | if (retcode == ERR_OK && |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 622 | !flash_isset(info, sector, 0, FLASH_STATUS_DONE)) { |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 623 | retcode = ERR_INVAL; |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 624 | printf("Flash %s error at address %lx\n", prompt, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 625 | info->start[sector]); |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 626 | if (flash_isset(info, sector, 0, FLASH_STATUS_ECLBS | |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 627 | FLASH_STATUS_PSLBS)) { |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 628 | puts("Command Sequence Error.\n"); |
| 629 | } else if (flash_isset(info, sector, 0, |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 630 | FLASH_STATUS_ECLBS)) { |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 631 | puts("Block Erase Error.\n"); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 632 | retcode = ERR_NOT_ERASED; |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 633 | } else if (flash_isset(info, sector, 0, |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 634 | FLASH_STATUS_PSLBS)) { |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 635 | puts("Locking Error\n"); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 636 | } |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 637 | if (flash_isset(info, sector, 0, FLASH_STATUS_DPS)) { |
| 638 | puts("Block locked.\n"); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 639 | retcode = ERR_PROTECTED; |
| 640 | } |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 641 | if (flash_isset(info, sector, 0, FLASH_STATUS_VPENS)) |
| 642 | puts("Vpp Low Error.\n"); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 643 | } |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 644 | flash_write_cmd(info, sector, 0, info->cmd_reset); |
Aaron Williams | a90b957 | 2011-04-12 00:59:04 -0700 | [diff] [blame] | 645 | udelay(1); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 646 | break; |
| 647 | default: |
| 648 | break; |
| 649 | } |
| 650 | return retcode; |
| 651 | } |
| 652 | |
Thomas Chou | e572082 | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 653 | static int use_flash_status_poll(flash_info_t *info) |
| 654 | { |
| 655 | #ifdef CONFIG_SYS_CFI_FLASH_STATUS_POLL |
| 656 | if (info->vendor == CFI_CMDSET_AMD_EXTENDED || |
| 657 | info->vendor == CFI_CMDSET_AMD_STANDARD) |
| 658 | return 1; |
| 659 | #endif |
| 660 | return 0; |
| 661 | } |
| 662 | |
| 663 | static int flash_status_poll(flash_info_t *info, void *src, void *dst, |
| 664 | ulong tout, char *prompt) |
| 665 | { |
| 666 | #ifdef CONFIG_SYS_CFI_FLASH_STATUS_POLL |
| 667 | ulong start; |
| 668 | int ready; |
| 669 | |
| 670 | #if CONFIG_SYS_HZ != 1000 |
Mario Six | ddcf054 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 671 | /* Avoid overflow for large HZ */ |
Thomas Chou | e572082 | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 672 | if ((ulong)CONFIG_SYS_HZ > 100000) |
Mario Six | ddcf054 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 673 | tout *= (ulong)CONFIG_SYS_HZ / 1000; |
Thomas Chou | e572082 | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 674 | else |
| 675 | tout = DIV_ROUND_UP(tout * (ulong)CONFIG_SYS_HZ, 1000); |
| 676 | #endif |
| 677 | |
| 678 | /* Wait for command completion */ |
Graeme Russ | e110c4f | 2011-07-15 02:18:56 +0000 | [diff] [blame] | 679 | #ifdef CONFIG_SYS_LOW_RES_TIMER |
Thomas Chou | 22d6c8f | 2010-04-01 11:15:05 +0800 | [diff] [blame] | 680 | reset_timer(); |
Graeme Russ | e110c4f | 2011-07-15 02:18:56 +0000 | [diff] [blame] | 681 | #endif |
Thomas Chou | e572082 | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 682 | start = get_timer(0); |
Jens Scharsig (BuS Elektronik) | a9f5fab | 2012-01-27 09:29:53 +0100 | [diff] [blame] | 683 | WATCHDOG_RESET(); |
Thomas Chou | e572082 | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 684 | while (1) { |
| 685 | switch (info->portwidth) { |
| 686 | case FLASH_CFI_8BIT: |
| 687 | ready = flash_read8(dst) == flash_read8(src); |
| 688 | break; |
| 689 | case FLASH_CFI_16BIT: |
| 690 | ready = flash_read16(dst) == flash_read16(src); |
| 691 | break; |
| 692 | case FLASH_CFI_32BIT: |
| 693 | ready = flash_read32(dst) == flash_read32(src); |
| 694 | break; |
| 695 | case FLASH_CFI_64BIT: |
| 696 | ready = flash_read64(dst) == flash_read64(src); |
| 697 | break; |
| 698 | default: |
| 699 | ready = 0; |
| 700 | break; |
| 701 | } |
| 702 | if (ready) |
| 703 | break; |
| 704 | if (get_timer(start) > tout) { |
| 705 | printf("Flash %s timeout at address %lx data %lx\n", |
| 706 | prompt, (ulong)dst, (ulong)flash_read8(dst)); |
Mario Six | 9dbaebc | 2018-01-26 14:43:52 +0100 | [diff] [blame] | 707 | return ERR_TIMEOUT; |
Thomas Chou | e572082 | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 708 | } |
| 709 | udelay(1); /* also triggers watchdog */ |
| 710 | } |
| 711 | #endif /* CONFIG_SYS_CFI_FLASH_STATUS_POLL */ |
| 712 | return ERR_OK; |
| 713 | } |
| 714 | |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 715 | /*----------------------------------------------------------------------- |
| 716 | */ |
Mario Six | ca2b07a | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 717 | static void flash_add_byte(flash_info_t *info, cfiword_t *cword, uchar c) |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 718 | { |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 719 | #if defined(__LITTLE_ENDIAN) && !defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 720 | unsigned short w; |
| 721 | unsigned int l; |
| 722 | unsigned long long ll; |
| 723 | #endif |
| 724 | |
| 725 | switch (info->portwidth) { |
| 726 | case FLASH_CFI_8BIT: |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 727 | cword->w8 = c; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 728 | break; |
| 729 | case FLASH_CFI_16BIT: |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 730 | #if defined(__LITTLE_ENDIAN) && !defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 731 | w = c; |
| 732 | w <<= 8; |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 733 | cword->w16 = (cword->w16 >> 8) | w; |
Michael Schwingen | 81b20cc | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 734 | #else |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 735 | cword->w16 = (cword->w16 << 8) | c; |
Michael Schwingen | 81b20cc | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 736 | #endif |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 737 | break; |
| 738 | case FLASH_CFI_32BIT: |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 739 | #if defined(__LITTLE_ENDIAN) && !defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 740 | l = c; |
| 741 | l <<= 24; |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 742 | cword->w32 = (cword->w32 >> 8) | l; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 743 | #else |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 744 | cword->w32 = (cword->w32 << 8) | c; |
Stefan Roese | 2662b40 | 2006-04-01 13:41:03 +0200 | [diff] [blame] | 745 | #endif |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 746 | break; |
| 747 | case FLASH_CFI_64BIT: |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 748 | #if defined(__LITTLE_ENDIAN) && !defined(CONFIG_SYS_WRITE_SWAPPED_DATA) |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 749 | ll = c; |
| 750 | ll <<= 56; |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 751 | cword->w64 = (cword->w64 >> 8) | ll; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 752 | #else |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 753 | cword->w64 = (cword->w64 << 8) | c; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 754 | #endif |
| 755 | break; |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 756 | } |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 757 | } |
| 758 | |
Jens Gehrlein | 0f8e851 | 2008-12-16 17:25:55 +0100 | [diff] [blame] | 759 | /* |
| 760 | * Loop through the sector table starting from the previously found sector. |
| 761 | * Searches forwards or backwards, dependent on the passed address. |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 762 | */ |
Mario Six | ca2b07a | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 763 | static flash_sect_t find_sector(flash_info_t *info, ulong addr) |
wdenk | 7680c14 | 2005-05-16 15:23:22 +0000 | [diff] [blame] | 764 | { |
Kim Phillips | 11dc401 | 2012-10-29 13:34:45 +0000 | [diff] [blame] | 765 | static flash_sect_t saved_sector; /* previously found sector */ |
Stefan Roese | e303be2 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 766 | static flash_info_t *saved_info; /* previously used flash bank */ |
Jens Gehrlein | 0f8e851 | 2008-12-16 17:25:55 +0100 | [diff] [blame] | 767 | flash_sect_t sector = saved_sector; |
wdenk | 7680c14 | 2005-05-16 15:23:22 +0000 | [diff] [blame] | 768 | |
Mario Six | 4f89da4 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 769 | if (info != saved_info || sector >= info->sector_count) |
Stefan Roese | e303be2 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 770 | sector = 0; |
| 771 | |
Mario Six | 5701ba8 | 2018-01-26 14:43:53 +0100 | [diff] [blame] | 772 | while ((sector < info->sector_count - 1) && |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 773 | (info->start[sector] < addr)) |
Jens Gehrlein | 0f8e851 | 2008-12-16 17:25:55 +0100 | [diff] [blame] | 774 | sector++; |
| 775 | while ((info->start[sector] > addr) && (sector > 0)) |
| 776 | /* |
| 777 | * also decrements the sector in case of an overshot |
| 778 | * in the first loop |
| 779 | */ |
| 780 | sector--; |
| 781 | |
| 782 | saved_sector = sector; |
Stefan Roese | e303be2 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 783 | saved_info = info; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 784 | return sector; |
wdenk | 7680c14 | 2005-05-16 15:23:22 +0000 | [diff] [blame] | 785 | } |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 786 | |
| 787 | /*----------------------------------------------------------------------- |
| 788 | */ |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 789 | static int flash_write_cfiword(flash_info_t *info, ulong dest, cfiword_t cword) |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 790 | { |
Becky Bruce | 09ce992 | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 791 | void *dstaddr = (void *)dest; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 792 | int flag; |
Jens Gehrlein | a729287 | 2008-12-16 17:25:54 +0100 | [diff] [blame] | 793 | flash_sect_t sect = 0; |
| 794 | char sect_found = 0; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 795 | |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 796 | /* Check if Flash is (sufficiently) erased */ |
| 797 | switch (info->portwidth) { |
| 798 | case FLASH_CFI_8BIT: |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 799 | flag = ((flash_read8(dstaddr) & cword.w8) == cword.w8); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 800 | break; |
| 801 | case FLASH_CFI_16BIT: |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 802 | flag = ((flash_read16(dstaddr) & cword.w16) == cword.w16); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 803 | break; |
| 804 | case FLASH_CFI_32BIT: |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 805 | flag = ((flash_read32(dstaddr) & cword.w32) == cword.w32); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 806 | break; |
| 807 | case FLASH_CFI_64BIT: |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 808 | flag = ((flash_read64(dstaddr) & cword.w64) == cword.w64); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 809 | break; |
| 810 | default: |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 811 | flag = 0; |
| 812 | break; |
| 813 | } |
Becky Bruce | 09ce992 | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 814 | if (!flag) |
Stefan Roese | 0dc80e2 | 2007-12-27 07:50:54 +0100 | [diff] [blame] | 815 | return ERR_NOT_ERASED; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 816 | |
| 817 | /* Disable interrupts which might cause a timeout here */ |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 818 | flag = disable_interrupts(); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 819 | |
| 820 | switch (info->vendor) { |
Vasiliy Leoenenko | 9c048b5 | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 821 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 822 | case CFI_CMDSET_INTEL_EXTENDED: |
| 823 | case CFI_CMDSET_INTEL_STANDARD: |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 824 | flash_write_cmd(info, 0, 0, FLASH_CMD_CLEAR_STATUS); |
| 825 | flash_write_cmd(info, 0, 0, FLASH_CMD_WRITE); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 826 | break; |
| 827 | case CFI_CMDSET_AMD_EXTENDED: |
| 828 | case CFI_CMDSET_AMD_STANDARD: |
Ed Swarthout | 0d01f66 | 2008-10-09 01:26:36 -0500 | [diff] [blame] | 829 | sect = find_sector(info, dest); |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 830 | flash_unlock_seq(info, sect); |
| 831 | flash_write_cmd(info, sect, info->addr_unlock1, AMD_CMD_WRITE); |
Jens Gehrlein | a729287 | 2008-12-16 17:25:54 +0100 | [diff] [blame] | 832 | sect_found = 1; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 833 | break; |
Po-Yu Chuang | b4db4a7 | 2009-07-10 18:03:57 +0800 | [diff] [blame] | 834 | #ifdef CONFIG_FLASH_CFI_LEGACY |
| 835 | case CFI_CMDSET_AMD_LEGACY: |
| 836 | sect = find_sector(info, dest); |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 837 | flash_unlock_seq(info, 0); |
| 838 | flash_write_cmd(info, 0, info->addr_unlock1, AMD_CMD_WRITE); |
Po-Yu Chuang | b4db4a7 | 2009-07-10 18:03:57 +0800 | [diff] [blame] | 839 | sect_found = 1; |
| 840 | break; |
| 841 | #endif |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 842 | } |
| 843 | |
| 844 | switch (info->portwidth) { |
| 845 | case FLASH_CFI_8BIT: |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 846 | flash_write8(cword.w8, dstaddr); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 847 | break; |
| 848 | case FLASH_CFI_16BIT: |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 849 | flash_write16(cword.w16, dstaddr); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 850 | break; |
| 851 | case FLASH_CFI_32BIT: |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 852 | flash_write32(cword.w32, dstaddr); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 853 | break; |
| 854 | case FLASH_CFI_64BIT: |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 855 | flash_write64(cword.w64, dstaddr); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 856 | break; |
| 857 | } |
| 858 | |
| 859 | /* re-enable interrupts if necessary */ |
| 860 | if (flag) |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 861 | enable_interrupts(); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 862 | |
Jens Gehrlein | a729287 | 2008-12-16 17:25:54 +0100 | [diff] [blame] | 863 | if (!sect_found) |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 864 | sect = find_sector(info, dest); |
Jens Gehrlein | a729287 | 2008-12-16 17:25:54 +0100 | [diff] [blame] | 865 | |
Thomas Chou | e572082 | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 866 | if (use_flash_status_poll(info)) |
| 867 | return flash_status_poll(info, &cword, dstaddr, |
| 868 | info->write_tout, "write"); |
| 869 | else |
| 870 | return flash_full_status_check(info, sect, |
| 871 | info->write_tout, "write"); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 872 | } |
| 873 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 874 | #ifdef CONFIG_SYS_FLASH_USE_BUFFER_WRITE |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 875 | |
Mario Six | ca2b07a | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 876 | static int flash_write_cfibuffer(flash_info_t *info, ulong dest, uchar *cp, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 877 | int len) |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 878 | { |
| 879 | flash_sect_t sector; |
| 880 | int cnt; |
| 881 | int retcode; |
Mario Six | 5312838 | 2018-01-26 14:43:49 +0100 | [diff] [blame] | 882 | u8 *src = cp; |
| 883 | u8 *dst = (u8 *)dest; |
| 884 | u8 *dst2 = dst; |
Tao Hou | 85c344e | 2012-03-15 23:33:58 +0800 | [diff] [blame] | 885 | int flag = 1; |
Guennadi Liakhovetski | 96ef831 | 2008-04-03 13:36:02 +0200 | [diff] [blame] | 886 | uint offset = 0; |
| 887 | unsigned int shift; |
Vasiliy Leoenenko | 9c048b5 | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 888 | uchar write_cmd; |
Haavard Skinnemoen | cdbaefb | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 889 | |
Stefan Roese | 0dc80e2 | 2007-12-27 07:50:54 +0100 | [diff] [blame] | 890 | switch (info->portwidth) { |
| 891 | case FLASH_CFI_8BIT: |
Guennadi Liakhovetski | 96ef831 | 2008-04-03 13:36:02 +0200 | [diff] [blame] | 892 | shift = 0; |
Stefan Roese | 0dc80e2 | 2007-12-27 07:50:54 +0100 | [diff] [blame] | 893 | break; |
| 894 | case FLASH_CFI_16BIT: |
Guennadi Liakhovetski | 96ef831 | 2008-04-03 13:36:02 +0200 | [diff] [blame] | 895 | shift = 1; |
Stefan Roese | 0dc80e2 | 2007-12-27 07:50:54 +0100 | [diff] [blame] | 896 | break; |
| 897 | case FLASH_CFI_32BIT: |
Guennadi Liakhovetski | 96ef831 | 2008-04-03 13:36:02 +0200 | [diff] [blame] | 898 | shift = 2; |
Stefan Roese | 0dc80e2 | 2007-12-27 07:50:54 +0100 | [diff] [blame] | 899 | break; |
| 900 | case FLASH_CFI_64BIT: |
Guennadi Liakhovetski | 96ef831 | 2008-04-03 13:36:02 +0200 | [diff] [blame] | 901 | shift = 3; |
Stefan Roese | 0dc80e2 | 2007-12-27 07:50:54 +0100 | [diff] [blame] | 902 | break; |
| 903 | default: |
| 904 | retcode = ERR_INVAL; |
| 905 | goto out_unmap; |
| 906 | } |
| 907 | |
Guennadi Liakhovetski | 96ef831 | 2008-04-03 13:36:02 +0200 | [diff] [blame] | 908 | cnt = len >> shift; |
| 909 | |
Tao Hou | 85c344e | 2012-03-15 23:33:58 +0800 | [diff] [blame] | 910 | while ((cnt-- > 0) && (flag == 1)) { |
Stefan Roese | 0dc80e2 | 2007-12-27 07:50:54 +0100 | [diff] [blame] | 911 | switch (info->portwidth) { |
| 912 | case FLASH_CFI_8BIT: |
| 913 | flag = ((flash_read8(dst2) & flash_read8(src)) == |
| 914 | flash_read8(src)); |
| 915 | src += 1, dst2 += 1; |
| 916 | break; |
| 917 | case FLASH_CFI_16BIT: |
| 918 | flag = ((flash_read16(dst2) & flash_read16(src)) == |
| 919 | flash_read16(src)); |
| 920 | src += 2, dst2 += 2; |
| 921 | break; |
| 922 | case FLASH_CFI_32BIT: |
| 923 | flag = ((flash_read32(dst2) & flash_read32(src)) == |
| 924 | flash_read32(src)); |
| 925 | src += 4, dst2 += 4; |
| 926 | break; |
| 927 | case FLASH_CFI_64BIT: |
| 928 | flag = ((flash_read64(dst2) & flash_read64(src)) == |
| 929 | flash_read64(src)); |
| 930 | src += 8, dst2 += 8; |
| 931 | break; |
| 932 | } |
| 933 | } |
| 934 | if (!flag) { |
| 935 | retcode = ERR_NOT_ERASED; |
| 936 | goto out_unmap; |
| 937 | } |
| 938 | |
| 939 | src = cp; |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 940 | sector = find_sector(info, dest); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 941 | |
| 942 | switch (info->vendor) { |
Vasiliy Leoenenko | 9c048b5 | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 943 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 944 | case CFI_CMDSET_INTEL_STANDARD: |
| 945 | case CFI_CMDSET_INTEL_EXTENDED: |
Vasiliy Leoenenko | 9c048b5 | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 946 | write_cmd = (info->vendor == CFI_CMDSET_INTEL_PROG_REGIONS) ? |
Mario Six | ddcf054 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 947 | FLASH_CMD_WRITE_BUFFER_PROG : |
| 948 | FLASH_CMD_WRITE_TO_BUFFER; |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 949 | flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS); |
| 950 | flash_write_cmd(info, sector, 0, FLASH_CMD_READ_STATUS); |
| 951 | flash_write_cmd(info, sector, 0, write_cmd); |
| 952 | retcode = flash_status_check(info, sector, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 953 | info->buffer_write_tout, |
| 954 | "write to buffer"); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 955 | if (retcode == ERR_OK) { |
| 956 | /* reduce the number of loops by the width of |
Mario Six | a6d18f2 | 2018-01-26 14:43:41 +0100 | [diff] [blame] | 957 | * the port |
| 958 | */ |
Guennadi Liakhovetski | 96ef831 | 2008-04-03 13:36:02 +0200 | [diff] [blame] | 959 | cnt = len >> shift; |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 960 | flash_write_cmd(info, sector, 0, cnt - 1); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 961 | while (cnt-- > 0) { |
| 962 | switch (info->portwidth) { |
| 963 | case FLASH_CFI_8BIT: |
Haavard Skinnemoen | cdbaefb | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 964 | flash_write8(flash_read8(src), dst); |
| 965 | src += 1, dst += 1; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 966 | break; |
| 967 | case FLASH_CFI_16BIT: |
Haavard Skinnemoen | cdbaefb | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 968 | flash_write16(flash_read16(src), dst); |
| 969 | src += 2, dst += 2; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 970 | break; |
| 971 | case FLASH_CFI_32BIT: |
Haavard Skinnemoen | cdbaefb | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 972 | flash_write32(flash_read32(src), dst); |
| 973 | src += 4, dst += 4; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 974 | break; |
| 975 | case FLASH_CFI_64BIT: |
Haavard Skinnemoen | cdbaefb | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 976 | flash_write64(flash_read64(src), dst); |
| 977 | src += 8, dst += 8; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 978 | break; |
| 979 | default: |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 980 | retcode = ERR_INVAL; |
| 981 | goto out_unmap; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 982 | } |
| 983 | } |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 984 | flash_write_cmd(info, sector, 0, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 985 | FLASH_CMD_WRITE_BUFFER_CONFIRM); |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 986 | retcode = flash_full_status_check( |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 987 | info, sector, info->buffer_write_tout, |
| 988 | "buffer write"); |
| 989 | } |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 990 | |
| 991 | break; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 992 | |
| 993 | case CFI_CMDSET_AMD_STANDARD: |
| 994 | case CFI_CMDSET_AMD_EXTENDED: |
Rouven Behr | 7570a0c | 2016-04-10 13:38:13 +0200 | [diff] [blame] | 995 | flash_unlock_seq(info, sector); |
Guennadi Liakhovetski | 96ef831 | 2008-04-03 13:36:02 +0200 | [diff] [blame] | 996 | |
| 997 | #ifdef CONFIG_FLASH_SPANSION_S29WS_N |
| 998 | offset = ((unsigned long)dst - info->start[sector]) >> shift; |
| 999 | #endif |
| 1000 | flash_write_cmd(info, sector, offset, AMD_CMD_WRITE_TO_BUFFER); |
| 1001 | cnt = len >> shift; |
John Schmoller | 7dedefd | 2009-08-12 10:55:47 -0500 | [diff] [blame] | 1002 | flash_write_cmd(info, sector, offset, cnt - 1); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1003 | |
| 1004 | switch (info->portwidth) { |
| 1005 | case FLASH_CFI_8BIT: |
Haavard Skinnemoen | cdbaefb | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 1006 | while (cnt-- > 0) { |
| 1007 | flash_write8(flash_read8(src), dst); |
| 1008 | src += 1, dst += 1; |
| 1009 | } |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1010 | break; |
| 1011 | case FLASH_CFI_16BIT: |
Haavard Skinnemoen | cdbaefb | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 1012 | while (cnt-- > 0) { |
| 1013 | flash_write16(flash_read16(src), dst); |
| 1014 | src += 2, dst += 2; |
| 1015 | } |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1016 | break; |
| 1017 | case FLASH_CFI_32BIT: |
Haavard Skinnemoen | cdbaefb | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 1018 | while (cnt-- > 0) { |
| 1019 | flash_write32(flash_read32(src), dst); |
| 1020 | src += 4, dst += 4; |
| 1021 | } |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1022 | break; |
| 1023 | case FLASH_CFI_64BIT: |
Haavard Skinnemoen | cdbaefb | 2007-12-13 12:56:32 +0100 | [diff] [blame] | 1024 | while (cnt-- > 0) { |
| 1025 | flash_write64(flash_read64(src), dst); |
| 1026 | src += 8, dst += 8; |
| 1027 | } |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1028 | break; |
| 1029 | default: |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1030 | retcode = ERR_INVAL; |
| 1031 | goto out_unmap; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1032 | } |
| 1033 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1034 | flash_write_cmd(info, sector, 0, AMD_CMD_WRITE_BUFFER_CONFIRM); |
Thomas Chou | e572082 | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 1035 | if (use_flash_status_poll(info)) |
| 1036 | retcode = flash_status_poll(info, src - (1 << shift), |
| 1037 | dst - (1 << shift), |
| 1038 | info->buffer_write_tout, |
| 1039 | "buffer write"); |
| 1040 | else |
| 1041 | retcode = flash_full_status_check(info, sector, |
| 1042 | info->buffer_write_tout, |
| 1043 | "buffer write"); |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1044 | break; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1045 | |
| 1046 | default: |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1047 | debug("Unknown Command Set\n"); |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1048 | retcode = ERR_INVAL; |
| 1049 | break; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1050 | } |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1051 | |
| 1052 | out_unmap: |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1053 | return retcode; |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1054 | } |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1055 | #endif /* CONFIG_SYS_FLASH_USE_BUFFER_WRITE */ |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1056 | |
wdenk | 7680c14 | 2005-05-16 15:23:22 +0000 | [diff] [blame] | 1057 | /*----------------------------------------------------------------------- |
| 1058 | */ |
Mario Six | ca2b07a | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 1059 | int flash_erase(flash_info_t *info, int s_first, int s_last) |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1060 | { |
| 1061 | int rcode = 0; |
| 1062 | int prot; |
| 1063 | flash_sect_t sect; |
Thomas Chou | e572082 | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 1064 | int st; |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1065 | |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1066 | if (info->flash_id != FLASH_MAN_CFI) { |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1067 | puts("Can't erase unknown flash type - aborted\n"); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1068 | return 1; |
| 1069 | } |
Mario Six | 4f89da4 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 1070 | if (s_first < 0 || s_first > s_last) { |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1071 | puts("- no sectors to erase\n"); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1072 | return 1; |
| 1073 | } |
| 1074 | |
| 1075 | prot = 0; |
Mario Six | 0412e90 | 2018-01-26 14:43:38 +0100 | [diff] [blame] | 1076 | for (sect = s_first; sect <= s_last; ++sect) |
| 1077 | if (info->protect[sect]) |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1078 | prot++; |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1079 | if (prot) { |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1080 | printf("- Warning: %d protected sectors will not be erased!\n", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1081 | prot); |
Piotr Ziecik | 6ea808e | 2008-11-17 15:49:32 +0100 | [diff] [blame] | 1082 | } else if (flash_verbose) { |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1083 | putc('\n'); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1084 | } |
| 1085 | |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1086 | for (sect = s_first; sect <= s_last; sect++) { |
Joe Hershberger | de15a06 | 2012-08-17 15:36:41 -0500 | [diff] [blame] | 1087 | if (ctrlc()) { |
| 1088 | printf("\n"); |
| 1089 | return 1; |
| 1090 | } |
| 1091 | |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1092 | if (info->protect[sect] == 0) { /* not protected */ |
Joe Hershberger | 6822a64 | 2012-08-17 15:36:40 -0500 | [diff] [blame] | 1093 | #ifdef CONFIG_SYS_FLASH_CHECK_BLANK_BEFORE_ERASE |
| 1094 | int k; |
| 1095 | int size; |
| 1096 | int erased; |
| 1097 | u32 *flash; |
| 1098 | |
| 1099 | /* |
| 1100 | * Check if whole sector is erased |
| 1101 | */ |
| 1102 | size = flash_sector_size(info, sect); |
| 1103 | erased = 1; |
| 1104 | flash = (u32 *)info->start[sect]; |
| 1105 | /* divide by 4 for longword access */ |
| 1106 | size = size >> 2; |
| 1107 | for (k = 0; k < size; k++) { |
| 1108 | if (flash_read32(flash++) != 0xffffffff) { |
| 1109 | erased = 0; |
| 1110 | break; |
| 1111 | } |
| 1112 | } |
| 1113 | if (erased) { |
| 1114 | if (flash_verbose) |
| 1115 | putc(','); |
| 1116 | continue; |
| 1117 | } |
| 1118 | #endif |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1119 | switch (info->vendor) { |
Vasiliy Leoenenko | 9c048b5 | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 1120 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1121 | case CFI_CMDSET_INTEL_STANDARD: |
| 1122 | case CFI_CMDSET_INTEL_EXTENDED: |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1123 | flash_write_cmd(info, sect, 0, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1124 | FLASH_CMD_CLEAR_STATUS); |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1125 | flash_write_cmd(info, sect, 0, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1126 | FLASH_CMD_BLOCK_ERASE); |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1127 | flash_write_cmd(info, sect, 0, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1128 | FLASH_CMD_ERASE_CONFIRM); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1129 | break; |
| 1130 | case CFI_CMDSET_AMD_STANDARD: |
| 1131 | case CFI_CMDSET_AMD_EXTENDED: |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1132 | flash_unlock_seq(info, sect); |
| 1133 | flash_write_cmd(info, sect, |
Haavard Skinnemoen | 7e5b9b4 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 1134 | info->addr_unlock1, |
| 1135 | AMD_CMD_ERASE_START); |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1136 | flash_unlock_seq(info, sect); |
| 1137 | flash_write_cmd(info, sect, 0, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1138 | info->cmd_erase_sector); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1139 | break; |
Michael Schwingen | 81b20cc | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 1140 | #ifdef CONFIG_FLASH_CFI_LEGACY |
| 1141 | case CFI_CMDSET_AMD_LEGACY: |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1142 | flash_unlock_seq(info, 0); |
| 1143 | flash_write_cmd(info, 0, info->addr_unlock1, |
Haavard Skinnemoen | 7e5b9b4 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 1144 | AMD_CMD_ERASE_START); |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1145 | flash_unlock_seq(info, 0); |
| 1146 | flash_write_cmd(info, sect, 0, |
Haavard Skinnemoen | 7e5b9b4 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 1147 | AMD_CMD_ERASE_SECTOR); |
Michael Schwingen | 81b20cc | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 1148 | break; |
| 1149 | #endif |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1150 | default: |
Mario Six | 9f72021 | 2018-01-26 14:43:44 +0100 | [diff] [blame] | 1151 | debug("Unknown flash vendor %d\n", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1152 | info->vendor); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1153 | break; |
| 1154 | } |
| 1155 | |
Thomas Chou | e572082 | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 1156 | if (use_flash_status_poll(info)) { |
Kim Phillips | 11dc401 | 2012-10-29 13:34:45 +0000 | [diff] [blame] | 1157 | cfiword_t cword; |
Thomas Chou | e572082 | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 1158 | void *dest; |
Mario Six | 7223a8c | 2018-01-26 14:43:37 +0100 | [diff] [blame] | 1159 | |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 1160 | cword.w64 = 0xffffffffffffffffULL; |
Thomas Chou | e572082 | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 1161 | dest = flash_map(info, sect, 0); |
| 1162 | st = flash_status_poll(info, &cword, dest, |
Mario Six | ddcf054 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 1163 | info->erase_blk_tout, |
| 1164 | "erase"); |
Thomas Chou | e572082 | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 1165 | flash_unmap(info, sect, 0, dest); |
Mario Six | 12d7fed | 2018-01-26 14:43:43 +0100 | [diff] [blame] | 1166 | } else { |
Thomas Chou | e572082 | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 1167 | st = flash_full_status_check(info, sect, |
| 1168 | info->erase_blk_tout, |
| 1169 | "erase"); |
Mario Six | 12d7fed | 2018-01-26 14:43:43 +0100 | [diff] [blame] | 1170 | } |
| 1171 | |
Thomas Chou | e572082 | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 1172 | if (st) |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1173 | rcode = 1; |
Thomas Chou | e572082 | 2010-03-26 08:17:00 +0800 | [diff] [blame] | 1174 | else if (flash_verbose) |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1175 | putc('.'); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1176 | } |
| 1177 | } |
Piotr Ziecik | 6ea808e | 2008-11-17 15:49:32 +0100 | [diff] [blame] | 1178 | |
| 1179 | if (flash_verbose) |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1180 | puts(" done\n"); |
Piotr Ziecik | 6ea808e | 2008-11-17 15:49:32 +0100 | [diff] [blame] | 1181 | |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1182 | return rcode; |
| 1183 | } |
| 1184 | |
Stefan Roese | 70084df | 2010-08-13 09:36:36 +0200 | [diff] [blame] | 1185 | #ifdef CONFIG_SYS_FLASH_EMPTY_INFO |
| 1186 | static int sector_erased(flash_info_t *info, int i) |
| 1187 | { |
| 1188 | int k; |
| 1189 | int size; |
Stefan Roese | 4d2ca9d | 2010-10-25 18:31:39 +0200 | [diff] [blame] | 1190 | u32 *flash; |
Stefan Roese | 70084df | 2010-08-13 09:36:36 +0200 | [diff] [blame] | 1191 | |
| 1192 | /* |
| 1193 | * Check if whole sector is erased |
| 1194 | */ |
| 1195 | size = flash_sector_size(info, i); |
Stefan Roese | 4d2ca9d | 2010-10-25 18:31:39 +0200 | [diff] [blame] | 1196 | flash = (u32 *)info->start[i]; |
Stefan Roese | 70084df | 2010-08-13 09:36:36 +0200 | [diff] [blame] | 1197 | /* divide by 4 for longword access */ |
| 1198 | size = size >> 2; |
| 1199 | |
| 1200 | for (k = 0; k < size; k++) { |
Stefan Roese | 4d2ca9d | 2010-10-25 18:31:39 +0200 | [diff] [blame] | 1201 | if (flash_read32(flash++) != 0xffffffff) |
Stefan Roese | 70084df | 2010-08-13 09:36:36 +0200 | [diff] [blame] | 1202 | return 0; /* not erased */ |
| 1203 | } |
| 1204 | |
| 1205 | return 1; /* erased */ |
| 1206 | } |
| 1207 | #endif /* CONFIG_SYS_FLASH_EMPTY_INFO */ |
| 1208 | |
Mario Six | ca2b07a | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 1209 | void flash_print_info(flash_info_t *info) |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1210 | { |
| 1211 | int i; |
| 1212 | |
| 1213 | if (info->flash_id != FLASH_MAN_CFI) { |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1214 | puts("missing or unknown FLASH type\n"); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1215 | return; |
| 1216 | } |
| 1217 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1218 | printf("%s flash (%d x %d)", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1219 | info->name, |
| 1220 | (info->portwidth << 3), (info->chipwidth << 3)); |
Mario Six | 640f4e3 | 2018-01-26 14:43:36 +0100 | [diff] [blame] | 1221 | if (info->size < 1024 * 1024) |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1222 | printf(" Size: %ld kB in %d Sectors\n", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1223 | info->size >> 10, info->sector_count); |
Michael Schwingen | 81b20cc | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 1224 | else |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1225 | printf(" Size: %ld MB in %d Sectors\n", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1226 | info->size >> 20, info->sector_count); |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1227 | printf(" "); |
Stefan Roese | 260421a | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 1228 | switch (info->vendor) { |
Mario Six | dde0913 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1229 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
| 1230 | printf("Intel Prog Regions"); |
| 1231 | break; |
| 1232 | case CFI_CMDSET_INTEL_STANDARD: |
| 1233 | printf("Intel Standard"); |
| 1234 | break; |
| 1235 | case CFI_CMDSET_INTEL_EXTENDED: |
| 1236 | printf("Intel Extended"); |
| 1237 | break; |
| 1238 | case CFI_CMDSET_AMD_STANDARD: |
| 1239 | printf("AMD Standard"); |
| 1240 | break; |
| 1241 | case CFI_CMDSET_AMD_EXTENDED: |
| 1242 | printf("AMD Extended"); |
| 1243 | break; |
Michael Schwingen | 81b20cc | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 1244 | #ifdef CONFIG_FLASH_CFI_LEGACY |
Mario Six | dde0913 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1245 | case CFI_CMDSET_AMD_LEGACY: |
| 1246 | printf("AMD Legacy"); |
| 1247 | break; |
Michael Schwingen | 81b20cc | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 1248 | #endif |
Mario Six | dde0913 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1249 | default: |
| 1250 | printf("Unknown (%d)", info->vendor); |
| 1251 | break; |
Stefan Roese | 260421a | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 1252 | } |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1253 | printf(" command set, Manufacturer ID: 0x%02X, Device ID: 0x", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1254 | info->manufacturer_id); |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1255 | printf(info->chipwidth == FLASH_CFI_16BIT ? "%04X" : "%02X", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1256 | info->device_id); |
Heiko Schocher | 5b448ad | 2011-04-11 14:16:19 +0200 | [diff] [blame] | 1257 | if ((info->device_id & 0xff) == 0x7E) { |
| 1258 | printf(info->chipwidth == FLASH_CFI_16BIT ? "%04X" : "%02X", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1259 | info->device_id2); |
Stefan Roese | 260421a | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 1260 | } |
Mario Six | 4f89da4 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 1261 | if (info->vendor == CFI_CMDSET_AMD_STANDARD && info->legacy_unlock) |
Stefan Roese | d2af028 | 2012-12-06 15:44:12 +0100 | [diff] [blame] | 1262 | printf("\n Advanced Sector Protection (PPB) enabled"); |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1263 | printf("\n Erase timeout: %ld ms, write timeout: %ld ms\n", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1264 | info->erase_blk_tout, info->write_tout); |
Stefan Roese | 260421a | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 1265 | if (info->buffer_size > 1) { |
Mario Six | 876c52f | 2018-01-26 14:43:50 +0100 | [diff] [blame] | 1266 | printf(" Buffer write timeout: %ld ms, ", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1267 | info->buffer_write_tout); |
Mario Six | 876c52f | 2018-01-26 14:43:50 +0100 | [diff] [blame] | 1268 | printf("buffer size: %d bytes\n", info->buffer_size); |
Stefan Roese | 260421a | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 1269 | } |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1270 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1271 | puts("\n Sector Start Addresses:"); |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1272 | for (i = 0; i < info->sector_count; ++i) { |
Kim Phillips | 2e97394 | 2010-07-26 18:35:39 -0500 | [diff] [blame] | 1273 | if (ctrlc()) |
Stefan Roese | 70084df | 2010-08-13 09:36:36 +0200 | [diff] [blame] | 1274 | break; |
Stefan Roese | 260421a | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 1275 | if ((i % 5) == 0) |
Stefan Roese | 70084df | 2010-08-13 09:36:36 +0200 | [diff] [blame] | 1276 | putc('\n'); |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1277 | #ifdef CONFIG_SYS_FLASH_EMPTY_INFO |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1278 | /* print empty and read-only info */ |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1279 | printf(" %08lX %c %s ", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1280 | info->start[i], |
| 1281 | sector_erased(info, i) ? 'E' : ' ', |
| 1282 | info->protect[i] ? "RO" : " "); |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1283 | #else /* ! CONFIG_SYS_FLASH_EMPTY_INFO */ |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1284 | printf(" %08lX %s ", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1285 | info->start[i], |
| 1286 | info->protect[i] ? "RO" : " "); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1287 | #endif |
| 1288 | } |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1289 | putc('\n'); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1290 | } |
| 1291 | |
| 1292 | /*----------------------------------------------------------------------- |
Jerry Van Baren | 9a042e9 | 2008-03-08 13:48:01 -0500 | [diff] [blame] | 1293 | * This is used in a few places in write_buf() to show programming |
| 1294 | * progress. Making it a function is nasty because it needs to do side |
| 1295 | * effect updates to digit and dots. Repeated code is nasty too, so |
| 1296 | * we define it once here. |
| 1297 | */ |
Stefan Roese | f010572 | 2008-03-19 07:09:26 +0100 | [diff] [blame] | 1298 | #ifdef CONFIG_FLASH_SHOW_PROGRESS |
| 1299 | #define FLASH_SHOW_PROGRESS(scale, dots, digit, dots_sub) \ |
Piotr Ziecik | 6ea808e | 2008-11-17 15:49:32 +0100 | [diff] [blame] | 1300 | if (flash_verbose) { \ |
| 1301 | dots -= dots_sub; \ |
Mario Six | 4f89da4 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 1302 | if (scale > 0 && dots <= 0) { \ |
Piotr Ziecik | 6ea808e | 2008-11-17 15:49:32 +0100 | [diff] [blame] | 1303 | if ((digit % 5) == 0) \ |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1304 | printf("%d", digit / 5); \ |
Piotr Ziecik | 6ea808e | 2008-11-17 15:49:32 +0100 | [diff] [blame] | 1305 | else \ |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1306 | putc('.'); \ |
Piotr Ziecik | 6ea808e | 2008-11-17 15:49:32 +0100 | [diff] [blame] | 1307 | digit--; \ |
| 1308 | dots += scale; \ |
| 1309 | } \ |
Jerry Van Baren | 9a042e9 | 2008-03-08 13:48:01 -0500 | [diff] [blame] | 1310 | } |
Stefan Roese | f010572 | 2008-03-19 07:09:26 +0100 | [diff] [blame] | 1311 | #else |
| 1312 | #define FLASH_SHOW_PROGRESS(scale, dots, digit, dots_sub) |
| 1313 | #endif |
Jerry Van Baren | 9a042e9 | 2008-03-08 13:48:01 -0500 | [diff] [blame] | 1314 | |
| 1315 | /*----------------------------------------------------------------------- |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1316 | * Copy memory to flash, returns: |
| 1317 | * 0 - OK |
| 1318 | * 1 - write timeout |
| 1319 | * 2 - Flash not erased |
| 1320 | */ |
Mario Six | ca2b07a | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 1321 | int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt) |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1322 | { |
| 1323 | ulong wp; |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1324 | uchar *p; |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1325 | int aln; |
| 1326 | cfiword_t cword; |
| 1327 | int i, rc; |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1328 | #ifdef CONFIG_SYS_FLASH_USE_BUFFER_WRITE |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1329 | int buffered_size; |
| 1330 | #endif |
Jerry Van Baren | 9a042e9 | 2008-03-08 13:48:01 -0500 | [diff] [blame] | 1331 | #ifdef CONFIG_FLASH_SHOW_PROGRESS |
| 1332 | int digit = CONFIG_FLASH_SHOW_PROGRESS; |
| 1333 | int scale = 0; |
| 1334 | int dots = 0; |
| 1335 | |
| 1336 | /* |
| 1337 | * Suppress if there are fewer than CONFIG_FLASH_SHOW_PROGRESS writes. |
| 1338 | */ |
| 1339 | if (cnt >= CONFIG_FLASH_SHOW_PROGRESS) { |
| 1340 | scale = (int)((cnt + CONFIG_FLASH_SHOW_PROGRESS - 1) / |
| 1341 | CONFIG_FLASH_SHOW_PROGRESS); |
| 1342 | } |
| 1343 | #endif |
| 1344 | |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1345 | /* get lower aligned address */ |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1346 | wp = (addr & ~(info->portwidth - 1)); |
| 1347 | |
| 1348 | /* handle unaligned start */ |
Mario Six | d3525b6 | 2018-01-26 14:43:48 +0100 | [diff] [blame] | 1349 | aln = addr - wp; |
| 1350 | if (aln != 0) { |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 1351 | cword.w32 = 0; |
Becky Bruce | 09ce992 | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 1352 | p = (uchar *)wp; |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1353 | for (i = 0; i < aln; ++i) |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1354 | flash_add_byte(info, &cword, flash_read8(p + i)); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1355 | |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1356 | for (; (i < info->portwidth) && (cnt > 0); i++) { |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1357 | flash_add_byte(info, &cword, *src++); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1358 | cnt--; |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1359 | } |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1360 | for (; (cnt == 0) && (i < info->portwidth); ++i) |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1361 | flash_add_byte(info, &cword, flash_read8(p + i)); |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1362 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1363 | rc = flash_write_cfiword(info, wp, cword); |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1364 | if (rc != 0) |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1365 | return rc; |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1366 | |
| 1367 | wp += i; |
Stefan Roese | f010572 | 2008-03-19 07:09:26 +0100 | [diff] [blame] | 1368 | FLASH_SHOW_PROGRESS(scale, dots, digit, i); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1369 | } |
| 1370 | |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1371 | /* handle the aligned part */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1372 | #ifdef CONFIG_SYS_FLASH_USE_BUFFER_WRITE |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1373 | buffered_size = (info->portwidth / info->chipwidth); |
| 1374 | buffered_size *= info->buffer_size; |
| 1375 | while (cnt >= info->portwidth) { |
Stefan Roese | 79b4cda | 2006-02-28 15:29:58 +0100 | [diff] [blame] | 1376 | /* prohibit buffer write when buffer_size is 1 */ |
| 1377 | if (info->buffer_size == 1) { |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 1378 | cword.w32 = 0; |
Stefan Roese | 79b4cda | 2006-02-28 15:29:58 +0100 | [diff] [blame] | 1379 | for (i = 0; i < info->portwidth; i++) |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1380 | flash_add_byte(info, &cword, *src++); |
Mario Six | d3525b6 | 2018-01-26 14:43:48 +0100 | [diff] [blame] | 1381 | rc = flash_write_cfiword(info, wp, cword); |
| 1382 | if (rc != 0) |
Stefan Roese | 79b4cda | 2006-02-28 15:29:58 +0100 | [diff] [blame] | 1383 | return rc; |
| 1384 | wp += info->portwidth; |
| 1385 | cnt -= info->portwidth; |
| 1386 | continue; |
| 1387 | } |
| 1388 | |
| 1389 | /* write buffer until next buffered_size aligned boundary */ |
| 1390 | i = buffered_size - (wp % buffered_size); |
| 1391 | if (i > cnt) |
| 1392 | i = cnt; |
Mario Six | d3525b6 | 2018-01-26 14:43:48 +0100 | [diff] [blame] | 1393 | rc = flash_write_cfibuffer(info, wp, src, i); |
| 1394 | if (rc != ERR_OK) |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1395 | return rc; |
Wolfgang Denk | 8d4ba3d | 2005-08-12 22:35:59 +0200 | [diff] [blame] | 1396 | i -= i & (info->portwidth - 1); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1397 | wp += i; |
| 1398 | src += i; |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1399 | cnt -= i; |
Stefan Roese | f010572 | 2008-03-19 07:09:26 +0100 | [diff] [blame] | 1400 | FLASH_SHOW_PROGRESS(scale, dots, digit, i); |
Joe Hershberger | de15a06 | 2012-08-17 15:36:41 -0500 | [diff] [blame] | 1401 | /* Only check every once in a while */ |
| 1402 | if ((cnt & 0xFFFF) < buffered_size && ctrlc()) |
| 1403 | return ERR_ABORTED; |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1404 | } |
| 1405 | #else |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1406 | while (cnt >= info->portwidth) { |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 1407 | cword.w32 = 0; |
Mario Six | 0412e90 | 2018-01-26 14:43:38 +0100 | [diff] [blame] | 1408 | for (i = 0; i < info->portwidth; i++) |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1409 | flash_add_byte(info, &cword, *src++); |
Mario Six | d3525b6 | 2018-01-26 14:43:48 +0100 | [diff] [blame] | 1410 | rc = flash_write_cfiword(info, wp, cword); |
| 1411 | if (rc != 0) |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1412 | return rc; |
| 1413 | wp += info->portwidth; |
| 1414 | cnt -= info->portwidth; |
Stefan Roese | f010572 | 2008-03-19 07:09:26 +0100 | [diff] [blame] | 1415 | FLASH_SHOW_PROGRESS(scale, dots, digit, info->portwidth); |
Joe Hershberger | de15a06 | 2012-08-17 15:36:41 -0500 | [diff] [blame] | 1416 | /* Only check every once in a while */ |
| 1417 | if ((cnt & 0xFFFF) < info->portwidth && ctrlc()) |
| 1418 | return ERR_ABORTED; |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1419 | } |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1420 | #endif /* CONFIG_SYS_FLASH_USE_BUFFER_WRITE */ |
Jerry Van Baren | 9a042e9 | 2008-03-08 13:48:01 -0500 | [diff] [blame] | 1421 | |
Mario Six | 0412e90 | 2018-01-26 14:43:38 +0100 | [diff] [blame] | 1422 | if (cnt == 0) |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1423 | return (0); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1424 | |
| 1425 | /* |
| 1426 | * handle unaligned tail bytes |
| 1427 | */ |
Ryan Harkin | 622b952 | 2015-10-23 16:50:51 +0100 | [diff] [blame] | 1428 | cword.w32 = 0; |
Becky Bruce | 09ce992 | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 1429 | p = (uchar *)wp; |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1430 | for (i = 0; (i < info->portwidth) && (cnt > 0); ++i) { |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1431 | flash_add_byte(info, &cword, *src++); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1432 | --cnt; |
| 1433 | } |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1434 | for (; i < info->portwidth; ++i) |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1435 | flash_add_byte(info, &cword, flash_read8(p + i)); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1436 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1437 | return flash_write_cfiword(info, wp, cword); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1438 | } |
| 1439 | |
Stefan Roese | 20043a4 | 2012-12-06 15:44:09 +0100 | [diff] [blame] | 1440 | static inline int manufact_match(flash_info_t *info, u32 manu) |
| 1441 | { |
| 1442 | return info->manufacturer_id == ((manu & FLASH_VENDMASK) >> 16); |
| 1443 | } |
| 1444 | |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1445 | /*----------------------------------------------------------------------- |
| 1446 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1447 | #ifdef CONFIG_SYS_FLASH_PROTECTION |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1448 | |
Holger Brunck | 81316a9 | 2012-08-09 10:22:41 +0200 | [diff] [blame] | 1449 | static int cfi_protect_bugfix(flash_info_t *info, long sector, int prot) |
| 1450 | { |
Mario Six | 88ecd8b | 2018-01-26 14:43:39 +0100 | [diff] [blame] | 1451 | if (manufact_match(info, INTEL_MANUFACT) && |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1452 | info->device_id == NUMONYX_256MBIT) { |
Holger Brunck | 81316a9 | 2012-08-09 10:22:41 +0200 | [diff] [blame] | 1453 | /* |
| 1454 | * see errata called |
| 1455 | * "Numonyx Axcell P33/P30 Specification Update" :) |
| 1456 | */ |
| 1457 | flash_write_cmd(info, sector, 0, FLASH_CMD_READ_ID); |
| 1458 | if (!flash_isequal(info, sector, FLASH_OFFSET_PROTECT, |
| 1459 | prot)) { |
| 1460 | /* |
| 1461 | * cmd must come before FLASH_CMD_PROTECT + 20us |
| 1462 | * Disable interrupts which might cause a timeout here. |
| 1463 | */ |
| 1464 | int flag = disable_interrupts(); |
| 1465 | unsigned short cmd; |
| 1466 | |
| 1467 | if (prot) |
| 1468 | cmd = FLASH_CMD_PROTECT_SET; |
| 1469 | else |
| 1470 | cmd = FLASH_CMD_PROTECT_CLEAR; |
Andre Przywara | 58eab32 | 2016-11-16 00:50:06 +0000 | [diff] [blame] | 1471 | |
| 1472 | flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT); |
Holger Brunck | 81316a9 | 2012-08-09 10:22:41 +0200 | [diff] [blame] | 1473 | flash_write_cmd(info, sector, 0, cmd); |
| 1474 | /* re-enable interrupts if necessary */ |
| 1475 | if (flag) |
| 1476 | enable_interrupts(); |
| 1477 | } |
| 1478 | return 1; |
| 1479 | } |
| 1480 | return 0; |
| 1481 | } |
| 1482 | |
Mario Six | ca2b07a | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 1483 | int flash_real_protect(flash_info_t *info, long sector, int prot) |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1484 | { |
| 1485 | int retcode = 0; |
| 1486 | |
Rafael Campos | bc9019e | 2008-07-31 10:22:20 +0200 | [diff] [blame] | 1487 | switch (info->vendor) { |
Mario Six | dde0913 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1488 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
| 1489 | case CFI_CMDSET_INTEL_STANDARD: |
| 1490 | case CFI_CMDSET_INTEL_EXTENDED: |
| 1491 | if (!cfi_protect_bugfix(info, sector, prot)) { |
| 1492 | flash_write_cmd(info, sector, 0, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1493 | FLASH_CMD_CLEAR_STATUS); |
Mario Six | dde0913 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1494 | flash_write_cmd(info, sector, 0, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1495 | FLASH_CMD_PROTECT); |
TsiChung Liew | 4e00acd | 2008-08-19 16:53:39 +0000 | [diff] [blame] | 1496 | if (prot) |
Mario Six | dde0913 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1497 | flash_write_cmd(info, sector, 0, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1498 | FLASH_CMD_PROTECT_SET); |
TsiChung Liew | 4e00acd | 2008-08-19 16:53:39 +0000 | [diff] [blame] | 1499 | else |
Mario Six | dde0913 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1500 | flash_write_cmd(info, sector, 0, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1501 | FLASH_CMD_PROTECT_CLEAR); |
Mario Six | dde0913 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1502 | } |
| 1503 | break; |
| 1504 | case CFI_CMDSET_AMD_EXTENDED: |
| 1505 | case CFI_CMDSET_AMD_STANDARD: |
| 1506 | /* U-Boot only checks the first byte */ |
| 1507 | if (manufact_match(info, ATM_MANUFACT)) { |
| 1508 | if (prot) { |
| 1509 | flash_unlock_seq(info, 0); |
| 1510 | flash_write_cmd(info, 0, |
| 1511 | info->addr_unlock1, |
| 1512 | ATM_CMD_SOFTLOCK_START); |
| 1513 | flash_unlock_seq(info, 0); |
| 1514 | flash_write_cmd(info, sector, 0, |
| 1515 | ATM_CMD_LOCK_SECT); |
| 1516 | } else { |
| 1517 | flash_write_cmd(info, 0, |
| 1518 | info->addr_unlock1, |
| 1519 | AMD_CMD_UNLOCK_START); |
| 1520 | if (info->device_id == ATM_ID_BV6416) |
| 1521 | flash_write_cmd(info, sector, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1522 | 0, ATM_CMD_UNLOCK_SECT); |
Mario Six | dde0913 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1523 | } |
| 1524 | } |
| 1525 | if (info->legacy_unlock) { |
| 1526 | int flag = disable_interrupts(); |
| 1527 | int lock_flag; |
| 1528 | |
| 1529 | flash_unlock_seq(info, 0); |
| 1530 | flash_write_cmd(info, 0, info->addr_unlock1, |
| 1531 | AMD_CMD_SET_PPB_ENTRY); |
| 1532 | lock_flag = flash_isset(info, sector, 0, 0x01); |
| 1533 | if (prot) { |
| 1534 | if (lock_flag) { |
| 1535 | flash_write_cmd(info, sector, 0, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1536 | AMD_CMD_PPB_LOCK_BC1); |
Mario Six | dde0913 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1537 | flash_write_cmd(info, sector, 0, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1538 | AMD_CMD_PPB_LOCK_BC2); |
Mario Six | dde0913 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1539 | } |
| 1540 | debug("sector %ld %slocked\n", sector, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1541 | lock_flag ? "" : "already "); |
Mario Six | dde0913 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1542 | } else { |
| 1543 | if (!lock_flag) { |
| 1544 | debug("unlock %ld\n", sector); |
| 1545 | flash_write_cmd(info, 0, 0, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1546 | AMD_CMD_PPB_UNLOCK_BC1); |
Mario Six | dde0913 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1547 | flash_write_cmd(info, 0, 0, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1548 | AMD_CMD_PPB_UNLOCK_BC2); |
Mario Six | dde0913 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1549 | } |
| 1550 | debug("sector %ld %sunlocked\n", sector, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1551 | !lock_flag ? "" : "already "); |
Mario Six | dde0913 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1552 | } |
| 1553 | if (flag) |
| 1554 | enable_interrupts(); |
| 1555 | |
| 1556 | if (flash_status_check(info, sector, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1557 | info->erase_blk_tout, |
| 1558 | prot ? "protect" : "unprotect")) |
Mario Six | dde0913 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1559 | printf("status check error\n"); |
| 1560 | |
| 1561 | flash_write_cmd(info, 0, 0, |
| 1562 | AMD_CMD_SET_PPB_EXIT_BC1); |
| 1563 | flash_write_cmd(info, 0, 0, |
| 1564 | AMD_CMD_SET_PPB_EXIT_BC2); |
| 1565 | } |
| 1566 | break; |
| 1567 | #ifdef CONFIG_FLASH_CFI_LEGACY |
| 1568 | case CFI_CMDSET_AMD_LEGACY: |
| 1569 | flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS); |
| 1570 | flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT); |
| 1571 | if (prot) |
Mario Six | ddcf054 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 1572 | flash_write_cmd(info, sector, 0, |
| 1573 | FLASH_CMD_PROTECT_SET); |
Mario Six | dde0913 | 2018-01-26 14:43:35 +0100 | [diff] [blame] | 1574 | else |
Mario Six | ddcf054 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 1575 | flash_write_cmd(info, sector, 0, |
| 1576 | FLASH_CMD_PROTECT_CLEAR); |
TsiChung Liew | 4e00acd | 2008-08-19 16:53:39 +0000 | [diff] [blame] | 1577 | #endif |
Rafael Campos | bc9019e | 2008-07-31 10:22:20 +0200 | [diff] [blame] | 1578 | }; |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1579 | |
Stefan Roese | df4e813 | 2010-10-25 18:31:29 +0200 | [diff] [blame] | 1580 | /* |
| 1581 | * Flash needs to be in status register read mode for |
| 1582 | * flash_full_status_check() to work correctly |
| 1583 | */ |
| 1584 | flash_write_cmd(info, sector, 0, FLASH_CMD_READ_STATUS); |
Mario Six | d3525b6 | 2018-01-26 14:43:48 +0100 | [diff] [blame] | 1585 | retcode = flash_full_status_check(info, sector, info->erase_blk_tout, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1586 | prot ? "protect" : "unprotect"); |
Mario Six | d3525b6 | 2018-01-26 14:43:48 +0100 | [diff] [blame] | 1587 | if (retcode == 0) { |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1588 | info->protect[sector] = prot; |
Stefan Roese | 2662b40 | 2006-04-01 13:41:03 +0200 | [diff] [blame] | 1589 | |
| 1590 | /* |
| 1591 | * On some of Intel's flash chips (marked via legacy_unlock) |
| 1592 | * unprotect unprotects all locking. |
| 1593 | */ |
Mario Six | 4f89da4 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 1594 | if (prot == 0 && info->legacy_unlock) { |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1595 | flash_sect_t i; |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1596 | |
| 1597 | for (i = 0; i < info->sector_count; i++) { |
| 1598 | if (info->protect[i]) |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1599 | flash_real_protect(info, i, 1); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1600 | } |
| 1601 | } |
| 1602 | } |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1603 | return retcode; |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1604 | } |
| 1605 | |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1606 | /*----------------------------------------------------------------------- |
| 1607 | * flash_read_user_serial - read the OneTimeProgramming cells |
| 1608 | */ |
Mario Six | ca2b07a | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 1609 | void flash_read_user_serial(flash_info_t *info, void *buffer, int offset, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1610 | int len) |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1611 | { |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1612 | uchar *src; |
| 1613 | uchar *dst; |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1614 | |
| 1615 | dst = buffer; |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1616 | src = flash_map(info, 0, FLASH_OFFSET_USER_PROTECTION); |
| 1617 | flash_write_cmd(info, 0, 0, FLASH_CMD_READ_ID); |
| 1618 | memcpy(dst, src + offset, len); |
| 1619 | flash_write_cmd(info, 0, 0, info->cmd_reset); |
Aaron Williams | a90b957 | 2011-04-12 00:59:04 -0700 | [diff] [blame] | 1620 | udelay(1); |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1621 | flash_unmap(info, 0, FLASH_OFFSET_USER_PROTECTION, src); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1622 | } |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1623 | |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1624 | /* |
| 1625 | * flash_read_factory_serial - read the device Id from the protection area |
| 1626 | */ |
Mario Six | ca2b07a | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 1627 | void flash_read_factory_serial(flash_info_t *info, void *buffer, int offset, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1628 | int len) |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1629 | { |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1630 | uchar *src; |
wdenk | cd37d9e | 2004-02-10 00:03:41 +0000 | [diff] [blame] | 1631 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1632 | src = flash_map(info, 0, FLASH_OFFSET_INTEL_PROTECTION); |
| 1633 | flash_write_cmd(info, 0, 0, FLASH_CMD_READ_ID); |
| 1634 | memcpy(buffer, src + offset, len); |
| 1635 | flash_write_cmd(info, 0, 0, info->cmd_reset); |
Aaron Williams | a90b957 | 2011-04-12 00:59:04 -0700 | [diff] [blame] | 1636 | udelay(1); |
Haavard Skinnemoen | 12d30aa | 2007-12-13 12:56:34 +0100 | [diff] [blame] | 1637 | flash_unmap(info, 0, FLASH_OFFSET_INTEL_PROTECTION, src); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1638 | } |
| 1639 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1640 | #endif /* CONFIG_SYS_FLASH_PROTECTION */ |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1641 | |
Haavard Skinnemoen | 0ddf06d | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1642 | /*----------------------------------------------------------------------- |
| 1643 | * Reverse the order of the erase regions in the CFI QRY structure. |
| 1644 | * This is needed for chips that are either a) correctly detected as |
| 1645 | * top-boot, or b) buggy. |
| 1646 | */ |
| 1647 | static void cfi_reverse_geometry(struct cfi_qry *qry) |
| 1648 | { |
| 1649 | unsigned int i, j; |
| 1650 | u32 tmp; |
| 1651 | |
| 1652 | for (i = 0, j = qry->num_erase_regions - 1; i < j; i++, j--) { |
Mario Six | 4f89da4 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 1653 | tmp = get_unaligned(&qry->erase_region_info[i]); |
| 1654 | put_unaligned(get_unaligned(&qry->erase_region_info[j]), |
| 1655 | &qry->erase_region_info[i]); |
| 1656 | put_unaligned(tmp, &qry->erase_region_info[j]); |
Haavard Skinnemoen | 0ddf06d | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1657 | } |
| 1658 | } |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1659 | |
| 1660 | /*----------------------------------------------------------------------- |
Stefan Roese | 260421a | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 1661 | * read jedec ids from device and set corresponding fields in info struct |
| 1662 | * |
| 1663 | * Note: assume cfi->vendor, cfi->portwidth and cfi->chipwidth are correct |
| 1664 | * |
Haavard Skinnemoen | 0ddf06d | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1665 | */ |
| 1666 | static void cmdset_intel_read_jedec_ids(flash_info_t *info) |
| 1667 | { |
| 1668 | flash_write_cmd(info, 0, 0, FLASH_CMD_RESET); |
Aaron Williams | a90b957 | 2011-04-12 00:59:04 -0700 | [diff] [blame] | 1669 | udelay(1); |
Haavard Skinnemoen | 0ddf06d | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1670 | flash_write_cmd(info, 0, 0, FLASH_CMD_READ_ID); |
| 1671 | udelay(1000); /* some flash are slow to respond */ |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1672 | info->manufacturer_id = flash_read_uchar(info, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1673 | FLASH_OFFSET_MANUFACTURER_ID); |
Philippe De Muyter | d77c7ac | 2010-08-10 16:54:52 +0200 | [diff] [blame] | 1674 | info->device_id = (info->chipwidth == FLASH_CFI_16BIT) ? |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1675 | flash_read_word(info, FLASH_OFFSET_DEVICE_ID) : |
| 1676 | flash_read_uchar(info, FLASH_OFFSET_DEVICE_ID); |
Haavard Skinnemoen | 0ddf06d | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1677 | flash_write_cmd(info, 0, 0, FLASH_CMD_RESET); |
| 1678 | } |
| 1679 | |
| 1680 | static int cmdset_intel_init(flash_info_t *info, struct cfi_qry *qry) |
| 1681 | { |
| 1682 | info->cmd_reset = FLASH_CMD_RESET; |
| 1683 | |
| 1684 | cmdset_intel_read_jedec_ids(info); |
| 1685 | flash_write_cmd(info, 0, info->cfi_offset, FLASH_CMD_CFI); |
| 1686 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1687 | #ifdef CONFIG_SYS_FLASH_PROTECTION |
Haavard Skinnemoen | 0ddf06d | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1688 | /* read legacy lock/unlock bit from intel flash */ |
| 1689 | if (info->ext_addr) { |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1690 | info->legacy_unlock = |
| 1691 | flash_read_uchar(info, info->ext_addr + 5) & 0x08; |
Haavard Skinnemoen | 0ddf06d | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1692 | } |
| 1693 | #endif |
| 1694 | |
| 1695 | return 0; |
| 1696 | } |
| 1697 | |
| 1698 | static void cmdset_amd_read_jedec_ids(flash_info_t *info) |
| 1699 | { |
Mario Six | c8a9a82 | 2018-01-26 14:43:51 +0100 | [diff] [blame] | 1700 | ushort bank_id = 0; |
| 1701 | uchar manu_id; |
York Sun | 2544f47 | 2017-11-18 11:09:08 -0800 | [diff] [blame] | 1702 | uchar feature; |
Niklaus Giger | 3a7b2c2 | 2009-07-22 17:13:24 +0200 | [diff] [blame] | 1703 | |
Haavard Skinnemoen | 0ddf06d | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1704 | flash_write_cmd(info, 0, 0, AMD_CMD_RESET); |
| 1705 | flash_unlock_seq(info, 0); |
| 1706 | flash_write_cmd(info, 0, info->addr_unlock1, FLASH_CMD_READ_ID); |
| 1707 | udelay(1000); /* some flash are slow to respond */ |
Tor Krill | 90447ec | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 1708 | |
Mario Six | c8a9a82 | 2018-01-26 14:43:51 +0100 | [diff] [blame] | 1709 | manu_id = flash_read_uchar(info, FLASH_OFFSET_MANUFACTURER_ID); |
Niklaus Giger | 3a7b2c2 | 2009-07-22 17:13:24 +0200 | [diff] [blame] | 1710 | /* JEDEC JEP106Z specifies ID codes up to bank 7 */ |
Mario Six | c8a9a82 | 2018-01-26 14:43:51 +0100 | [diff] [blame] | 1711 | while (manu_id == FLASH_CONTINUATION_CODE && bank_id < 0x800) { |
| 1712 | bank_id += 0x100; |
| 1713 | manu_id = flash_read_uchar(info, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1714 | bank_id | FLASH_OFFSET_MANUFACTURER_ID); |
Niklaus Giger | 3a7b2c2 | 2009-07-22 17:13:24 +0200 | [diff] [blame] | 1715 | } |
Mario Six | c8a9a82 | 2018-01-26 14:43:51 +0100 | [diff] [blame] | 1716 | info->manufacturer_id = manu_id; |
Tor Krill | 90447ec | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 1717 | |
York Sun | 2544f47 | 2017-11-18 11:09:08 -0800 | [diff] [blame] | 1718 | debug("info->ext_addr = 0x%x, cfi_version = 0x%x\n", |
| 1719 | info->ext_addr, info->cfi_version); |
| 1720 | if (info->ext_addr && info->cfi_version >= 0x3134) { |
| 1721 | /* read software feature (at 0x53) */ |
| 1722 | feature = flash_read_uchar(info, info->ext_addr + 0x13); |
| 1723 | debug("feature = 0x%x\n", feature); |
| 1724 | info->sr_supported = feature & 0x1; |
| 1725 | } |
Marek Vasut | 72443c7 | 2017-09-12 19:09:31 +0200 | [diff] [blame] | 1726 | |
Mario Six | b168386 | 2018-01-26 14:43:33 +0100 | [diff] [blame] | 1727 | switch (info->chipwidth) { |
Tor Krill | 90447ec | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 1728 | case FLASH_CFI_8BIT: |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1729 | info->device_id = flash_read_uchar(info, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1730 | FLASH_OFFSET_DEVICE_ID); |
Tor Krill | 90447ec | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 1731 | if (info->device_id == 0x7E) { |
| 1732 | /* AMD 3-byte (expanded) device ids */ |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1733 | info->device_id2 = flash_read_uchar(info, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1734 | FLASH_OFFSET_DEVICE_ID2); |
Tor Krill | 90447ec | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 1735 | info->device_id2 <<= 8; |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1736 | info->device_id2 |= flash_read_uchar(info, |
Tor Krill | 90447ec | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 1737 | FLASH_OFFSET_DEVICE_ID3); |
| 1738 | } |
| 1739 | break; |
| 1740 | case FLASH_CFI_16BIT: |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1741 | info->device_id = flash_read_word(info, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1742 | FLASH_OFFSET_DEVICE_ID); |
Heiko Schocher | 5b448ad | 2011-04-11 14:16:19 +0200 | [diff] [blame] | 1743 | if ((info->device_id & 0xff) == 0x7E) { |
| 1744 | /* AMD 3-byte (expanded) device ids */ |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1745 | info->device_id2 = flash_read_uchar(info, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1746 | FLASH_OFFSET_DEVICE_ID2); |
Heiko Schocher | 5b448ad | 2011-04-11 14:16:19 +0200 | [diff] [blame] | 1747 | info->device_id2 <<= 8; |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1748 | info->device_id2 |= flash_read_uchar(info, |
Heiko Schocher | 5b448ad | 2011-04-11 14:16:19 +0200 | [diff] [blame] | 1749 | FLASH_OFFSET_DEVICE_ID3); |
| 1750 | } |
Tor Krill | 90447ec | 2008-03-28 11:29:10 +0100 | [diff] [blame] | 1751 | break; |
| 1752 | default: |
| 1753 | break; |
Haavard Skinnemoen | 0ddf06d | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1754 | } |
| 1755 | flash_write_cmd(info, 0, 0, AMD_CMD_RESET); |
Aaron Williams | a90b957 | 2011-04-12 00:59:04 -0700 | [diff] [blame] | 1756 | udelay(1); |
Haavard Skinnemoen | 0ddf06d | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1757 | } |
| 1758 | |
| 1759 | static int cmdset_amd_init(flash_info_t *info, struct cfi_qry *qry) |
| 1760 | { |
| 1761 | info->cmd_reset = AMD_CMD_RESET; |
Angelo Dureghello | 07b2c5c | 2012-12-01 01:14:18 +0100 | [diff] [blame] | 1762 | info->cmd_erase_sector = AMD_CMD_ERASE_SECTOR; |
Haavard Skinnemoen | 0ddf06d | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1763 | |
| 1764 | cmdset_amd_read_jedec_ids(info); |
| 1765 | flash_write_cmd(info, 0, info->cfi_offset, FLASH_CMD_CFI); |
| 1766 | |
Anatolij Gustschin | 66863b0 | 2012-08-09 08:18:12 +0200 | [diff] [blame] | 1767 | #ifdef CONFIG_SYS_FLASH_PROTECTION |
Stefan Roese | ac6b911 | 2012-12-06 15:44:11 +0100 | [diff] [blame] | 1768 | if (info->ext_addr) { |
| 1769 | /* read sector protect/unprotect scheme (at 0x49) */ |
| 1770 | if (flash_read_uchar(info, info->ext_addr + 9) == 0x8) |
Anatolij Gustschin | 66863b0 | 2012-08-09 08:18:12 +0200 | [diff] [blame] | 1771 | info->legacy_unlock = 1; |
| 1772 | } |
| 1773 | #endif |
| 1774 | |
Haavard Skinnemoen | 0ddf06d | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 1775 | return 0; |
| 1776 | } |
| 1777 | |
| 1778 | #ifdef CONFIG_FLASH_CFI_LEGACY |
Mario Six | ca2b07a | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 1779 | static void flash_read_jedec_ids(flash_info_t *info) |
Stefan Roese | 260421a | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 1780 | { |
| 1781 | info->manufacturer_id = 0; |
| 1782 | info->device_id = 0; |
| 1783 | info->device_id2 = 0; |
| 1784 | |
| 1785 | switch (info->vendor) { |
Vasiliy Leoenenko | 9c048b5 | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 1786 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
Stefan Roese | 260421a | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 1787 | case CFI_CMDSET_INTEL_STANDARD: |
| 1788 | case CFI_CMDSET_INTEL_EXTENDED: |
Michael Schwingen | 8225d1e | 2008-01-12 20:29:47 +0100 | [diff] [blame] | 1789 | cmdset_intel_read_jedec_ids(info); |
Stefan Roese | 260421a | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 1790 | break; |
| 1791 | case CFI_CMDSET_AMD_STANDARD: |
| 1792 | case CFI_CMDSET_AMD_EXTENDED: |
Michael Schwingen | 8225d1e | 2008-01-12 20:29:47 +0100 | [diff] [blame] | 1793 | cmdset_amd_read_jedec_ids(info); |
Stefan Roese | 260421a | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 1794 | break; |
| 1795 | default: |
| 1796 | break; |
| 1797 | } |
| 1798 | } |
| 1799 | |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1800 | /*----------------------------------------------------------------------- |
| 1801 | * Call board code to request info about non-CFI flash. |
| 1802 | * board_flash_get_legacy needs to fill in at least: |
| 1803 | * info->portwidth, info->chipwidth and info->interface for Jedec probing. |
| 1804 | */ |
Becky Bruce | 09ce992 | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 1805 | static int flash_detect_legacy(phys_addr_t base, int banknum) |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1806 | { |
| 1807 | flash_info_t *info = &flash_info[banknum]; |
| 1808 | |
| 1809 | if (board_flash_get_legacy(base, banknum, info)) { |
| 1810 | /* board code may have filled info completely. If not, we |
Mario Six | a6d18f2 | 2018-01-26 14:43:41 +0100 | [diff] [blame] | 1811 | * use JEDEC ID probing. |
| 1812 | */ |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1813 | if (!info->vendor) { |
| 1814 | int modes[] = { |
| 1815 | CFI_CMDSET_AMD_STANDARD, |
| 1816 | CFI_CMDSET_INTEL_STANDARD |
| 1817 | }; |
| 1818 | int i; |
| 1819 | |
Axel Lin | 31bf0f5 | 2013-06-23 00:56:46 +0800 | [diff] [blame] | 1820 | for (i = 0; i < ARRAY_SIZE(modes); i++) { |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1821 | info->vendor = modes[i]; |
Becky Bruce | 09ce992 | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 1822 | info->start[0] = |
| 1823 | (ulong)map_physmem(base, |
Stefan Roese | e1fb6d0 | 2009-02-05 11:44:52 +0100 | [diff] [blame] | 1824 | info->portwidth, |
Becky Bruce | 09ce992 | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 1825 | MAP_NOCACHE); |
Mario Six | 88ecd8b | 2018-01-26 14:43:39 +0100 | [diff] [blame] | 1826 | if (info->portwidth == FLASH_CFI_8BIT && |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1827 | info->interface == FLASH_CFI_X8X16) { |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1828 | info->addr_unlock1 = 0x2AAA; |
| 1829 | info->addr_unlock2 = 0x5555; |
| 1830 | } else { |
| 1831 | info->addr_unlock1 = 0x5555; |
| 1832 | info->addr_unlock2 = 0x2AAA; |
| 1833 | } |
| 1834 | flash_read_jedec_ids(info); |
| 1835 | debug("JEDEC PROBE: ID %x %x %x\n", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1836 | info->manufacturer_id, |
| 1837 | info->device_id, |
| 1838 | info->device_id2); |
Becky Bruce | 09ce992 | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 1839 | if (jedec_flash_match(info, info->start[0])) |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1840 | break; |
Mario Six | 9860137 | 2018-01-26 14:43:45 +0100 | [diff] [blame] | 1841 | |
| 1842 | unmap_physmem((void *)info->start[0], |
| 1843 | info->portwidth); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1844 | } |
| 1845 | } |
| 1846 | |
Mario Six | b168386 | 2018-01-26 14:43:33 +0100 | [diff] [blame] | 1847 | switch (info->vendor) { |
Vasiliy Leoenenko | 9c048b5 | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 1848 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1849 | case CFI_CMDSET_INTEL_STANDARD: |
| 1850 | case CFI_CMDSET_INTEL_EXTENDED: |
| 1851 | info->cmd_reset = FLASH_CMD_RESET; |
| 1852 | break; |
| 1853 | case CFI_CMDSET_AMD_STANDARD: |
| 1854 | case CFI_CMDSET_AMD_EXTENDED: |
| 1855 | case CFI_CMDSET_AMD_LEGACY: |
| 1856 | info->cmd_reset = AMD_CMD_RESET; |
| 1857 | break; |
| 1858 | } |
| 1859 | info->flash_id = FLASH_MAN_CFI; |
| 1860 | return 1; |
| 1861 | } |
| 1862 | return 0; /* use CFI */ |
| 1863 | } |
| 1864 | #else |
Becky Bruce | 09ce992 | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 1865 | static inline int flash_detect_legacy(phys_addr_t base, int banknum) |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 1866 | { |
| 1867 | return 0; /* use CFI */ |
| 1868 | } |
| 1869 | #endif |
| 1870 | |
Stefan Roese | 260421a | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 1871 | /*----------------------------------------------------------------------- |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1872 | * detect if flash is compatible with the Common Flash Interface (CFI) |
| 1873 | * http://www.jedec.org/download/search/jesd68.pdf |
Haavard Skinnemoen | 7e5b9b4 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 1874 | */ |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1875 | static void flash_read_cfi(flash_info_t *info, void *buf, unsigned int start, |
| 1876 | size_t len) |
Haavard Skinnemoen | e23741f | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 1877 | { |
| 1878 | u8 *p = buf; |
| 1879 | unsigned int i; |
| 1880 | |
| 1881 | for (i = 0; i < len; i++) |
Stefan Roese | e303be2 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 1882 | p[i] = flash_read_uchar(info, start + i); |
Haavard Skinnemoen | e23741f | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 1883 | } |
| 1884 | |
Kim Phillips | 11dc401 | 2012-10-29 13:34:45 +0000 | [diff] [blame] | 1885 | static void __flash_cmd_reset(flash_info_t *info) |
Stefan Roese | fa36ae7 | 2009-10-27 15:15:55 +0100 | [diff] [blame] | 1886 | { |
| 1887 | /* |
| 1888 | * We do not yet know what kind of commandset to use, so we issue |
| 1889 | * the reset command in both Intel and AMD variants, in the hope |
| 1890 | * that AMD flash roms ignore the Intel command. |
| 1891 | */ |
| 1892 | flash_write_cmd(info, 0, 0, AMD_CMD_RESET); |
Aaron Williams | a90b957 | 2011-04-12 00:59:04 -0700 | [diff] [blame] | 1893 | udelay(1); |
Stefan Roese | fa36ae7 | 2009-10-27 15:15:55 +0100 | [diff] [blame] | 1894 | flash_write_cmd(info, 0, 0, FLASH_CMD_RESET); |
| 1895 | } |
Mario Six | 7223a8c | 2018-01-26 14:43:37 +0100 | [diff] [blame] | 1896 | |
Stefan Roese | fa36ae7 | 2009-10-27 15:15:55 +0100 | [diff] [blame] | 1897 | void flash_cmd_reset(flash_info_t *info) |
Mario Six | 640f4e3 | 2018-01-26 14:43:36 +0100 | [diff] [blame] | 1898 | __attribute__((weak, alias("__flash_cmd_reset"))); |
Stefan Roese | fa36ae7 | 2009-10-27 15:15:55 +0100 | [diff] [blame] | 1899 | |
Mario Six | ca2b07a | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 1900 | static int __flash_detect_cfi(flash_info_t *info, struct cfi_qry *qry) |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1901 | { |
Wolfgang Denk | 92eb729 | 2006-12-27 01:26:13 +0100 | [diff] [blame] | 1902 | int cfi_offset; |
Haavard Skinnemoen | 7e5b9b4 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 1903 | |
Stefan Roese | e303be2 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 1904 | /* Issue FLASH reset command */ |
| 1905 | flash_cmd_reset(info); |
| 1906 | |
Axel Lin | 31bf0f5 | 2013-06-23 00:56:46 +0800 | [diff] [blame] | 1907 | for (cfi_offset = 0; cfi_offset < ARRAY_SIZE(flash_offset_cfi); |
Haavard Skinnemoen | 7e5b9b4 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 1908 | cfi_offset++) { |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1909 | flash_write_cmd(info, 0, flash_offset_cfi[cfi_offset], |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1910 | FLASH_CMD_CFI); |
Mario Six | 88ecd8b | 2018-01-26 14:43:39 +0100 | [diff] [blame] | 1911 | if (flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP, 'Q') && |
Mario Six | ddcf054 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 1912 | flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP + 1, 'R') && |
| 1913 | flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP + 2, 'Y')) { |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1914 | flash_read_cfi(info, qry, FLASH_OFFSET_CFI_RESP, |
| 1915 | sizeof(struct cfi_qry)); |
Haavard Skinnemoen | e23741f | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 1916 | info->interface = le16_to_cpu(qry->interface_desc); |
Stefan Roese | e303be2 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 1917 | |
Haavard Skinnemoen | 7e5b9b4 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 1918 | info->cfi_offset = flash_offset_cfi[cfi_offset]; |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1919 | debug("device interface is %d\n", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1920 | info->interface); |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1921 | debug("found port %d chip %d ", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1922 | info->portwidth, info->chipwidth); |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1923 | debug("port %d bits chip %d bits\n", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 1924 | info->portwidth << CFI_FLASH_SHIFT_WIDTH, |
| 1925 | info->chipwidth << CFI_FLASH_SHIFT_WIDTH); |
Haavard Skinnemoen | 7e5b9b4 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 1926 | |
| 1927 | /* calculate command offsets as in the Linux driver */ |
Stefan Roese | e303be2 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 1928 | info->addr_unlock1 = 0x555; |
| 1929 | info->addr_unlock2 = 0x2aa; |
Haavard Skinnemoen | 7e5b9b4 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 1930 | |
| 1931 | /* |
| 1932 | * modify the unlock address if we are |
| 1933 | * in compatibility mode |
| 1934 | */ |
Mario Six | b168386 | 2018-01-26 14:43:33 +0100 | [diff] [blame] | 1935 | if (/* x8/x16 in x8 mode */ |
Mario Six | 4f89da4 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 1936 | (info->chipwidth == FLASH_CFI_BY8 && |
| 1937 | info->interface == FLASH_CFI_X8X16) || |
Mario Six | b168386 | 2018-01-26 14:43:33 +0100 | [diff] [blame] | 1938 | /* x16/x32 in x16 mode */ |
Mario Six | 4f89da4 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 1939 | (info->chipwidth == FLASH_CFI_BY16 && |
Mario Six | 0cec0a1 | 2018-01-26 14:43:46 +0100 | [diff] [blame] | 1940 | info->interface == FLASH_CFI_X16X32)) { |
Haavard Skinnemoen | 7e5b9b4 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 1941 | info->addr_unlock1 = 0xaaa; |
| 1942 | info->addr_unlock2 = 0x555; |
| 1943 | } |
| 1944 | |
| 1945 | info->name = "CFI conformant"; |
| 1946 | return 1; |
| 1947 | } |
| 1948 | } |
| 1949 | |
| 1950 | return 0; |
| 1951 | } |
| 1952 | |
Mario Six | ca2b07a | 2018-01-26 14:43:32 +0100 | [diff] [blame] | 1953 | static int flash_detect_cfi(flash_info_t *info, struct cfi_qry *qry) |
Haavard Skinnemoen | 7e5b9b4 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 1954 | { |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1955 | debug("flash detect cfi\n"); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1956 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1957 | for (info->portwidth = CONFIG_SYS_FLASH_CFI_WIDTH; |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1958 | info->portwidth <= FLASH_CFI_64BIT; info->portwidth <<= 1) { |
| 1959 | for (info->chipwidth = FLASH_CFI_BY8; |
| 1960 | info->chipwidth <= info->portwidth; |
Haavard Skinnemoen | 7e5b9b4 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 1961 | info->chipwidth <<= 1) |
Stefan Roese | e303be2 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 1962 | if (__flash_detect_cfi(info, qry)) |
Haavard Skinnemoen | 7e5b9b4 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 1963 | return 1; |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1964 | } |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 1965 | debug("not found\n"); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1966 | return 0; |
| 1967 | } |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 1968 | |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 1969 | /* |
Haavard Skinnemoen | 467bcee | 2007-12-14 15:36:18 +0100 | [diff] [blame] | 1970 | * Manufacturer-specific quirks. Add workarounds for geometry |
| 1971 | * reversal, etc. here. |
| 1972 | */ |
| 1973 | static void flash_fixup_amd(flash_info_t *info, struct cfi_qry *qry) |
| 1974 | { |
| 1975 | /* check if flash geometry needs reversal */ |
| 1976 | if (qry->num_erase_regions > 1) { |
| 1977 | /* reverse geometry if top boot part */ |
| 1978 | if (info->cfi_version < 0x3131) { |
| 1979 | /* CFI < 1.1, try to guess from device id */ |
| 1980 | if ((info->device_id & 0x80) != 0) |
| 1981 | cfi_reverse_geometry(qry); |
Stefan Roese | e303be2 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 1982 | } else if (flash_read_uchar(info, info->ext_addr + 0xf) == 3) { |
Haavard Skinnemoen | 467bcee | 2007-12-14 15:36:18 +0100 | [diff] [blame] | 1983 | /* CFI >= 1.1, deduct from top/bottom flag */ |
| 1984 | /* note: ext_addr is valid since cfi_version > 0 */ |
| 1985 | cfi_reverse_geometry(qry); |
| 1986 | } |
| 1987 | } |
| 1988 | } |
| 1989 | |
| 1990 | static void flash_fixup_atmel(flash_info_t *info, struct cfi_qry *qry) |
| 1991 | { |
| 1992 | int reverse_geometry = 0; |
| 1993 | |
| 1994 | /* Check the "top boot" bit in the PRI */ |
| 1995 | if (info->ext_addr && !(flash_read_uchar(info, info->ext_addr + 6) & 1)) |
| 1996 | reverse_geometry = 1; |
| 1997 | |
| 1998 | /* AT49BV6416(T) list the erase regions in the wrong order. |
| 1999 | * However, the device ID is identical with the non-broken |
Ulf Samuelsson | cb82a53 | 2009-03-27 23:26:43 +0100 | [diff] [blame] | 2000 | * AT49BV642D they differ in the high byte. |
Haavard Skinnemoen | 467bcee | 2007-12-14 15:36:18 +0100 | [diff] [blame] | 2001 | */ |
Haavard Skinnemoen | 467bcee | 2007-12-14 15:36:18 +0100 | [diff] [blame] | 2002 | if (info->device_id == 0xd6 || info->device_id == 0xd2) |
| 2003 | reverse_geometry = !reverse_geometry; |
Haavard Skinnemoen | 467bcee | 2007-12-14 15:36:18 +0100 | [diff] [blame] | 2004 | |
| 2005 | if (reverse_geometry) |
| 2006 | cfi_reverse_geometry(qry); |
| 2007 | } |
| 2008 | |
Richard Retanubun | e8eac43 | 2009-01-14 08:44:26 -0500 | [diff] [blame] | 2009 | static void flash_fixup_stm(flash_info_t *info, struct cfi_qry *qry) |
| 2010 | { |
| 2011 | /* check if flash geometry needs reversal */ |
| 2012 | if (qry->num_erase_regions > 1) { |
| 2013 | /* reverse geometry if top boot part */ |
| 2014 | if (info->cfi_version < 0x3131) { |
Mike Frysinger | 6a011ce | 2011-04-10 16:06:29 -0400 | [diff] [blame] | 2015 | /* CFI < 1.1, guess by device id */ |
| 2016 | if (info->device_id == 0x22CA || /* M29W320DT */ |
| 2017 | info->device_id == 0x2256 || /* M29W320ET */ |
| 2018 | info->device_id == 0x22D7) { /* M29W800DT */ |
Richard Retanubun | e8eac43 | 2009-01-14 08:44:26 -0500 | [diff] [blame] | 2019 | cfi_reverse_geometry(qry); |
| 2020 | } |
Mike Frysinger | 4c2105c | 2011-05-09 18:33:36 -0400 | [diff] [blame] | 2021 | } else if (flash_read_uchar(info, info->ext_addr + 0xf) == 3) { |
| 2022 | /* CFI >= 1.1, deduct from top/bottom flag */ |
| 2023 | /* note: ext_addr is valid since cfi_version > 0 */ |
| 2024 | cfi_reverse_geometry(qry); |
Richard Retanubun | e8eac43 | 2009-01-14 08:44:26 -0500 | [diff] [blame] | 2025 | } |
| 2026 | } |
| 2027 | } |
| 2028 | |
Angelo Dureghello | 07b2c5c | 2012-12-01 01:14:18 +0100 | [diff] [blame] | 2029 | static void flash_fixup_sst(flash_info_t *info, struct cfi_qry *qry) |
| 2030 | { |
| 2031 | /* |
| 2032 | * SST, for many recent nor parallel flashes, says they are |
| 2033 | * CFI-conformant. This is not true, since qry struct. |
| 2034 | * reports a std. AMD command set (0x0002), while SST allows to |
| 2035 | * erase two different sector sizes for the same memory. |
| 2036 | * 64KB sector (SST call it block) needs 0x30 to be erased. |
| 2037 | * 4KB sector (SST call it sector) needs 0x50 to be erased. |
| 2038 | * Since CFI query detect the 4KB number of sectors, users expects |
| 2039 | * a sector granularity of 4KB, and it is here set. |
| 2040 | */ |
| 2041 | if (info->device_id == 0x5D23 || /* SST39VF3201B */ |
| 2042 | info->device_id == 0x5C23) { /* SST39VF3202B */ |
| 2043 | /* set sector granularity to 4KB */ |
Mario Six | 640f4e3 | 2018-01-26 14:43:36 +0100 | [diff] [blame] | 2044 | info->cmd_erase_sector = 0x50; |
Angelo Dureghello | 07b2c5c | 2012-12-01 01:14:18 +0100 | [diff] [blame] | 2045 | } |
| 2046 | } |
| 2047 | |
Jagannadha Sutradharudu Teki | c502321 | 2013-03-01 16:54:26 +0530 | [diff] [blame] | 2048 | static void flash_fixup_num(flash_info_t *info, struct cfi_qry *qry) |
| 2049 | { |
| 2050 | /* |
| 2051 | * The M29EW devices seem to report the CFI information wrong |
| 2052 | * when it's in 8 bit mode. |
| 2053 | * There's an app note from Numonyx on this issue. |
| 2054 | * So adjust the buffer size for M29EW while operating in 8-bit mode |
| 2055 | */ |
Mario Six | 4f89da4 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 2056 | if (qry->max_buf_write_size > 0x8 && |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2057 | info->device_id == 0x7E && |
| 2058 | (info->device_id2 == 0x2201 || |
| 2059 | info->device_id2 == 0x2301 || |
| 2060 | info->device_id2 == 0x2801 || |
| 2061 | info->device_id2 == 0x4801)) { |
Mario Six | 876c52f | 2018-01-26 14:43:50 +0100 | [diff] [blame] | 2062 | debug("Adjusted buffer size on Numonyx flash"); |
| 2063 | debug(" M29EW family in 8 bit mode\n"); |
Jagannadha Sutradharudu Teki | c502321 | 2013-03-01 16:54:26 +0530 | [diff] [blame] | 2064 | qry->max_buf_write_size = 0x8; |
| 2065 | } |
| 2066 | } |
| 2067 | |
Haavard Skinnemoen | 467bcee | 2007-12-14 15:36:18 +0100 | [diff] [blame] | 2068 | /* |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2069 | * The following code cannot be run from FLASH! |
| 2070 | * |
| 2071 | */ |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2072 | ulong flash_get_size(phys_addr_t base, int banknum) |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2073 | { |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2074 | flash_info_t *info = &flash_info[banknum]; |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2075 | int i, j; |
| 2076 | flash_sect_t sect_cnt; |
Becky Bruce | 09ce992 | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 2077 | phys_addr_t sector; |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2078 | unsigned long tmp; |
| 2079 | int size_ratio; |
| 2080 | uchar num_erase_regions; |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2081 | int erase_region_size; |
| 2082 | int erase_region_count; |
Haavard Skinnemoen | e23741f | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 2083 | struct cfi_qry qry; |
Anatolij Gustschin | 34bbb8f | 2010-11-28 02:13:33 +0100 | [diff] [blame] | 2084 | unsigned long max_size; |
Stefan Roese | 260421a | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 2085 | |
Kumar Gala | f979690 | 2008-05-15 15:13:08 -0500 | [diff] [blame] | 2086 | memset(&qry, 0, sizeof(qry)); |
| 2087 | |
Stefan Roese | 260421a | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 2088 | info->ext_addr = 0; |
| 2089 | info->cfi_version = 0; |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 2090 | #ifdef CONFIG_SYS_FLASH_PROTECTION |
Stefan Roese | 2662b40 | 2006-04-01 13:41:03 +0200 | [diff] [blame] | 2091 | info->legacy_unlock = 0; |
| 2092 | #endif |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2093 | |
Becky Bruce | 09ce992 | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 2094 | info->start[0] = (ulong)map_physmem(base, info->portwidth, MAP_NOCACHE); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2095 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2096 | if (flash_detect_cfi(info, &qry)) { |
Mario Six | 4f89da4 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 2097 | info->vendor = le16_to_cpu(get_unaligned(&qry.p_id)); |
| 2098 | info->ext_addr = le16_to_cpu(get_unaligned(&qry.p_adr)); |
Haavard Skinnemoen | e23741f | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 2099 | num_erase_regions = qry.num_erase_regions; |
| 2100 | |
Stefan Roese | 260421a | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 2101 | if (info->ext_addr) { |
Mario Six | 640f4e3 | 2018-01-26 14:43:36 +0100 | [diff] [blame] | 2102 | info->cfi_version = (ushort)flash_read_uchar(info, |
Stefan Roese | e303be2 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 2103 | info->ext_addr + 3) << 8; |
Mario Six | 640f4e3 | 2018-01-26 14:43:36 +0100 | [diff] [blame] | 2104 | info->cfi_version |= (ushort)flash_read_uchar(info, |
Stefan Roese | e303be2 | 2013-04-12 19:04:54 +0200 | [diff] [blame] | 2105 | info->ext_addr + 4); |
Stefan Roese | 260421a | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 2106 | } |
Haavard Skinnemoen | 0ddf06d | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 2107 | |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2108 | #ifdef DEBUG |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2109 | flash_printqry(&qry); |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2110 | #endif |
Haavard Skinnemoen | 0ddf06d | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 2111 | |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2112 | switch (info->vendor) { |
Vasiliy Leoenenko | 9c048b5 | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 2113 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2114 | case CFI_CMDSET_INTEL_STANDARD: |
| 2115 | case CFI_CMDSET_INTEL_EXTENDED: |
Haavard Skinnemoen | 0ddf06d | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 2116 | cmdset_intel_init(info, &qry); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2117 | break; |
| 2118 | case CFI_CMDSET_AMD_STANDARD: |
| 2119 | case CFI_CMDSET_AMD_EXTENDED: |
Haavard Skinnemoen | 0ddf06d | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 2120 | cmdset_amd_init(info, &qry); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2121 | break; |
Haavard Skinnemoen | 0ddf06d | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 2122 | default: |
| 2123 | printf("CFI: Unknown command set 0x%x\n", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2124 | info->vendor); |
Haavard Skinnemoen | 0ddf06d | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 2125 | /* |
| 2126 | * Unfortunately, this means we don't know how |
| 2127 | * to get the chip back to Read mode. Might |
| 2128 | * as well try an Intel-style reset... |
| 2129 | */ |
| 2130 | flash_write_cmd(info, 0, 0, FLASH_CMD_RESET); |
| 2131 | return 0; |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2132 | } |
wdenk | cd37d9e | 2004-02-10 00:03:41 +0000 | [diff] [blame] | 2133 | |
Haavard Skinnemoen | 467bcee | 2007-12-14 15:36:18 +0100 | [diff] [blame] | 2134 | /* Do manufacturer-specific fixups */ |
| 2135 | switch (info->manufacturer_id) { |
Mario Schuknecht | 2c9f48a | 2011-02-21 13:13:14 +0100 | [diff] [blame] | 2136 | case 0x0001: /* AMD */ |
| 2137 | case 0x0037: /* AMIC */ |
Haavard Skinnemoen | 467bcee | 2007-12-14 15:36:18 +0100 | [diff] [blame] | 2138 | flash_fixup_amd(info, &qry); |
| 2139 | break; |
| 2140 | case 0x001f: |
| 2141 | flash_fixup_atmel(info, &qry); |
| 2142 | break; |
Richard Retanubun | e8eac43 | 2009-01-14 08:44:26 -0500 | [diff] [blame] | 2143 | case 0x0020: |
| 2144 | flash_fixup_stm(info, &qry); |
| 2145 | break; |
Angelo Dureghello | 07b2c5c | 2012-12-01 01:14:18 +0100 | [diff] [blame] | 2146 | case 0x00bf: /* SST */ |
| 2147 | flash_fixup_sst(info, &qry); |
| 2148 | break; |
Jagannadha Sutradharudu Teki | c502321 | 2013-03-01 16:54:26 +0530 | [diff] [blame] | 2149 | case 0x0089: /* Numonyx */ |
| 2150 | flash_fixup_num(info, &qry); |
| 2151 | break; |
Haavard Skinnemoen | 467bcee | 2007-12-14 15:36:18 +0100 | [diff] [blame] | 2152 | } |
| 2153 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2154 | debug("manufacturer is %d\n", info->vendor); |
| 2155 | debug("manufacturer id is 0x%x\n", info->manufacturer_id); |
| 2156 | debug("device id is 0x%x\n", info->device_id); |
| 2157 | debug("device id2 is 0x%x\n", info->device_id2); |
| 2158 | debug("cfi version is 0x%04x\n", info->cfi_version); |
Stefan Roese | 260421a | 2006-11-13 13:55:24 +0100 | [diff] [blame] | 2159 | |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2160 | size_ratio = info->portwidth / info->chipwidth; |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2161 | /* if the chip is x8/x16 reduce the ratio by half */ |
Mario Six | 4f89da4 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 2162 | if (info->interface == FLASH_CFI_X8X16 && |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2163 | info->chipwidth == FLASH_CFI_BY8) { |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2164 | size_ratio >>= 1; |
| 2165 | } |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2166 | debug("size_ratio %d port %d bits chip %d bits\n", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2167 | size_ratio, info->portwidth << CFI_FLASH_SHIFT_WIDTH, |
| 2168 | info->chipwidth << CFI_FLASH_SHIFT_WIDTH); |
Ilya Yanok | ec50a8e | 2010-10-21 17:20:12 +0200 | [diff] [blame] | 2169 | info->size = 1 << qry.dev_size; |
| 2170 | /* multiply the size by the number of chips */ |
| 2171 | info->size *= size_ratio; |
Anatolij Gustschin | 34bbb8f | 2010-11-28 02:13:33 +0100 | [diff] [blame] | 2172 | max_size = cfi_flash_bank_size(banknum); |
Mario Six | 4f89da4 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 2173 | if (max_size && info->size > max_size) { |
Ilya Yanok | ec50a8e | 2010-10-21 17:20:12 +0200 | [diff] [blame] | 2174 | debug("[truncated from %ldMiB]", info->size >> 20); |
| 2175 | info->size = max_size; |
| 2176 | } |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2177 | debug("found %d erase regions\n", num_erase_regions); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2178 | sect_cnt = 0; |
| 2179 | sector = base; |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2180 | for (i = 0; i < num_erase_regions; i++) { |
| 2181 | if (i > NUM_ERASE_REGIONS) { |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2182 | printf("%d erase regions found, only %d used\n", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2183 | num_erase_regions, NUM_ERASE_REGIONS); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2184 | break; |
| 2185 | } |
Haavard Skinnemoen | e23741f | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 2186 | |
Andrew Gabbasov | aedadf1 | 2013-05-14 12:27:52 -0500 | [diff] [blame] | 2187 | tmp = le32_to_cpu(get_unaligned( |
Mario Six | 4f89da4 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 2188 | &qry.erase_region_info[i])); |
Haavard Skinnemoen | 0ddf06d | 2007-12-14 15:36:17 +0100 | [diff] [blame] | 2189 | debug("erase region %u: 0x%08lx\n", i, tmp); |
Haavard Skinnemoen | e23741f | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 2190 | |
| 2191 | erase_region_count = (tmp & 0xffff) + 1; |
| 2192 | tmp >>= 16; |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2193 | erase_region_size = |
| 2194 | (tmp & 0xffff) ? ((tmp & 0xffff) * 256) : 128; |
Mario Six | ddcf054 | 2018-01-26 14:43:54 +0100 | [diff] [blame] | 2195 | debug("erase_region_count = %d ", erase_region_count); |
| 2196 | debug("erase_region_size = %d\n", erase_region_size); |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2197 | for (j = 0; j < erase_region_count; j++) { |
Ilya Yanok | ec50a8e | 2010-10-21 17:20:12 +0200 | [diff] [blame] | 2198 | if (sector - base >= info->size) |
| 2199 | break; |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 2200 | if (sect_cnt >= CONFIG_SYS_MAX_FLASH_SECT) { |
Michael Schwingen | 81b20cc | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 2201 | printf("ERROR: too many flash sectors\n"); |
| 2202 | break; |
| 2203 | } |
Becky Bruce | 09ce992 | 2009-02-02 16:34:51 -0600 | [diff] [blame] | 2204 | info->start[sect_cnt] = |
| 2205 | (ulong)map_physmem(sector, |
| 2206 | info->portwidth, |
| 2207 | MAP_NOCACHE); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2208 | sector += (erase_region_size * size_ratio); |
wdenk | a119190 | 2005-01-09 17:12:27 +0000 | [diff] [blame] | 2209 | |
| 2210 | /* |
Haavard Skinnemoen | 7e5b9b4 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 2211 | * Only read protection status from |
| 2212 | * supported devices (intel...) |
wdenk | a119190 | 2005-01-09 17:12:27 +0000 | [diff] [blame] | 2213 | */ |
| 2214 | switch (info->vendor) { |
Vasiliy Leoenenko | 9c048b5 | 2008-05-07 21:25:33 +0400 | [diff] [blame] | 2215 | case CFI_CMDSET_INTEL_PROG_REGIONS: |
wdenk | a119190 | 2005-01-09 17:12:27 +0000 | [diff] [blame] | 2216 | case CFI_CMDSET_INTEL_EXTENDED: |
| 2217 | case CFI_CMDSET_INTEL_STANDARD: |
Stefan Roese | df4e813 | 2010-10-25 18:31:29 +0200 | [diff] [blame] | 2218 | /* |
| 2219 | * Set flash to read-id mode. Otherwise |
| 2220 | * reading protected status is not |
| 2221 | * guaranteed. |
| 2222 | */ |
| 2223 | flash_write_cmd(info, sect_cnt, 0, |
| 2224 | FLASH_CMD_READ_ID); |
wdenk | a119190 | 2005-01-09 17:12:27 +0000 | [diff] [blame] | 2225 | info->protect[sect_cnt] = |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2226 | flash_isset(info, sect_cnt, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2227 | FLASH_OFFSET_PROTECT, |
| 2228 | FLASH_STATUS_PROTECT); |
Vasily Khoruzhick | edc498c | 2016-03-20 18:37:10 -0700 | [diff] [blame] | 2229 | flash_write_cmd(info, sect_cnt, 0, |
| 2230 | FLASH_CMD_RESET); |
wdenk | a119190 | 2005-01-09 17:12:27 +0000 | [diff] [blame] | 2231 | break; |
Stefan Roese | 03deff4 | 2012-12-06 15:44:10 +0100 | [diff] [blame] | 2232 | case CFI_CMDSET_AMD_EXTENDED: |
| 2233 | case CFI_CMDSET_AMD_STANDARD: |
Stefan Roese | ac6b911 | 2012-12-06 15:44:11 +0100 | [diff] [blame] | 2234 | if (!info->legacy_unlock) { |
Stefan Roese | 03deff4 | 2012-12-06 15:44:10 +0100 | [diff] [blame] | 2235 | /* default: not protected */ |
| 2236 | info->protect[sect_cnt] = 0; |
| 2237 | break; |
| 2238 | } |
| 2239 | |
| 2240 | /* Read protection (PPB) from sector */ |
| 2241 | flash_write_cmd(info, 0, 0, |
| 2242 | info->cmd_reset); |
| 2243 | flash_unlock_seq(info, 0); |
| 2244 | flash_write_cmd(info, 0, |
| 2245 | info->addr_unlock1, |
| 2246 | FLASH_CMD_READ_ID); |
| 2247 | info->protect[sect_cnt] = |
| 2248 | flash_isset( |
| 2249 | info, sect_cnt, |
| 2250 | FLASH_OFFSET_PROTECT, |
| 2251 | FLASH_STATUS_PROTECT); |
| 2252 | break; |
wdenk | a119190 | 2005-01-09 17:12:27 +0000 | [diff] [blame] | 2253 | default: |
Haavard Skinnemoen | 7e5b9b4 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 2254 | /* default: not protected */ |
| 2255 | info->protect[sect_cnt] = 0; |
wdenk | a119190 | 2005-01-09 17:12:27 +0000 | [diff] [blame] | 2256 | } |
| 2257 | |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2258 | sect_cnt++; |
| 2259 | } |
| 2260 | } |
| 2261 | |
| 2262 | info->sector_count = sect_cnt; |
Haavard Skinnemoen | e23741f | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 2263 | info->buffer_size = 1 << le16_to_cpu(qry.max_buf_write_size); |
| 2264 | tmp = 1 << qry.block_erase_timeout_typ; |
Haavard Skinnemoen | 7e5b9b4 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 2265 | info->erase_blk_tout = tmp * |
Haavard Skinnemoen | e23741f | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 2266 | (1 << qry.block_erase_timeout_max); |
| 2267 | tmp = (1 << qry.buf_write_timeout_typ) * |
| 2268 | (1 << qry.buf_write_timeout_max); |
| 2269 | |
Haavard Skinnemoen | 7e5b9b4 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 2270 | /* round up when converting to ms */ |
Haavard Skinnemoen | e23741f | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 2271 | info->buffer_write_tout = (tmp + 999) / 1000; |
| 2272 | tmp = (1 << qry.word_write_timeout_typ) * |
| 2273 | (1 << qry.word_write_timeout_max); |
Haavard Skinnemoen | 7e5b9b4 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 2274 | /* round up when converting to ms */ |
Haavard Skinnemoen | e23741f | 2007-12-14 15:36:16 +0100 | [diff] [blame] | 2275 | info->write_tout = (tmp + 999) / 1000; |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2276 | info->flash_id = FLASH_MAN_CFI; |
Mario Six | 4f89da4 | 2018-01-26 14:43:42 +0100 | [diff] [blame] | 2277 | if (info->interface == FLASH_CFI_X8X16 && |
| 2278 | info->chipwidth == FLASH_CFI_BY8) { |
Haavard Skinnemoen | 7e5b9b4 | 2007-12-13 12:56:28 +0100 | [diff] [blame] | 2279 | /* XXX - Need to test on x8/x16 in parallel. */ |
| 2280 | info->portwidth >>= 1; |
wdenk | 855a496 | 2004-03-14 18:23:55 +0000 | [diff] [blame] | 2281 | } |
Mike Frysinger | 2215987 | 2008-10-02 01:55:38 -0400 | [diff] [blame] | 2282 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2283 | flash_write_cmd(info, 0, 0, info->cmd_reset); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2284 | } |
| 2285 | |
wdenk | bf9e3b3 | 2004-02-12 00:47:09 +0000 | [diff] [blame] | 2286 | return (info->size); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2287 | } |
| 2288 | |
Mike Frysinger | 4ffeab2 | 2010-12-22 09:41:13 -0500 | [diff] [blame] | 2289 | #ifdef CONFIG_FLASH_CFI_MTD |
Piotr Ziecik | 6ea808e | 2008-11-17 15:49:32 +0100 | [diff] [blame] | 2290 | void flash_set_verbose(uint v) |
| 2291 | { |
| 2292 | flash_verbose = v; |
| 2293 | } |
Mike Frysinger | 4ffeab2 | 2010-12-22 09:41:13 -0500 | [diff] [blame] | 2294 | #endif |
Piotr Ziecik | 6ea808e | 2008-11-17 15:49:32 +0100 | [diff] [blame] | 2295 | |
Stefan Roese | 6f726f9 | 2010-10-25 18:31:48 +0200 | [diff] [blame] | 2296 | static void cfi_flash_set_config_reg(u32 base, u16 val) |
| 2297 | { |
| 2298 | #ifdef CONFIG_SYS_CFI_FLASH_CONFIG_REGS |
| 2299 | /* |
| 2300 | * Only set this config register if really defined |
| 2301 | * to a valid value (0xffff is invalid) |
| 2302 | */ |
| 2303 | if (val == 0xffff) |
| 2304 | return; |
| 2305 | |
| 2306 | /* |
| 2307 | * Set configuration register. Data is "encrypted" in the 16 lower |
| 2308 | * address bits. |
| 2309 | */ |
| 2310 | flash_write16(FLASH_CMD_SETUP, (void *)(base + (val << 1))); |
| 2311 | flash_write16(FLASH_CMD_SET_CR_CONFIRM, (void *)(base + (val << 1))); |
| 2312 | |
| 2313 | /* |
| 2314 | * Finally issue reset-command to bring device back to |
| 2315 | * read-array mode |
| 2316 | */ |
| 2317 | flash_write16(FLASH_CMD_RESET, (void *)base); |
| 2318 | #endif |
| 2319 | } |
| 2320 | |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2321 | /*----------------------------------------------------------------------- |
| 2322 | */ |
Heiko Schocher | 6ee1416 | 2011-04-04 08:10:21 +0200 | [diff] [blame] | 2323 | |
Marek Vasut | 236c49a | 2017-08-20 17:20:00 +0200 | [diff] [blame] | 2324 | static void flash_protect_default(void) |
Heiko Schocher | 6ee1416 | 2011-04-04 08:10:21 +0200 | [diff] [blame] | 2325 | { |
Peter Tyser | 2c51983 | 2011-04-13 11:46:56 -0500 | [diff] [blame] | 2326 | #if defined(CONFIG_SYS_FLASH_AUTOPROTECT_LIST) |
| 2327 | int i; |
| 2328 | struct apl_s { |
| 2329 | ulong start; |
| 2330 | ulong size; |
| 2331 | } apl[] = CONFIG_SYS_FLASH_AUTOPROTECT_LIST; |
| 2332 | #endif |
| 2333 | |
Heiko Schocher | 6ee1416 | 2011-04-04 08:10:21 +0200 | [diff] [blame] | 2334 | /* Monitor protection ON by default */ |
Vignesh Raghavendra | d75eacf | 2019-10-23 13:30:00 +0530 | [diff] [blame] | 2335 | #if defined(CONFIG_SYS_MONITOR_BASE) && \ |
| 2336 | (CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE) && \ |
Heiko Schocher | 6ee1416 | 2011-04-04 08:10:21 +0200 | [diff] [blame] | 2337 | (!defined(CONFIG_MONITOR_IS_IN_RAM)) |
| 2338 | flash_protect(FLAG_PROTECT_SET, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2339 | CONFIG_SYS_MONITOR_BASE, |
| 2340 | CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, |
| 2341 | flash_get_info(CONFIG_SYS_MONITOR_BASE)); |
Heiko Schocher | 6ee1416 | 2011-04-04 08:10:21 +0200 | [diff] [blame] | 2342 | #endif |
| 2343 | |
| 2344 | /* Environment protection ON by default */ |
| 2345 | #ifdef CONFIG_ENV_IS_IN_FLASH |
| 2346 | flash_protect(FLAG_PROTECT_SET, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2347 | CONFIG_ENV_ADDR, |
| 2348 | CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1, |
| 2349 | flash_get_info(CONFIG_ENV_ADDR)); |
Heiko Schocher | 6ee1416 | 2011-04-04 08:10:21 +0200 | [diff] [blame] | 2350 | #endif |
| 2351 | |
| 2352 | /* Redundant environment protection ON by default */ |
| 2353 | #ifdef CONFIG_ENV_ADDR_REDUND |
| 2354 | flash_protect(FLAG_PROTECT_SET, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2355 | CONFIG_ENV_ADDR_REDUND, |
| 2356 | CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1, |
| 2357 | flash_get_info(CONFIG_ENV_ADDR_REDUND)); |
Heiko Schocher | 6ee1416 | 2011-04-04 08:10:21 +0200 | [diff] [blame] | 2358 | #endif |
| 2359 | |
| 2360 | #if defined(CONFIG_SYS_FLASH_AUTOPROTECT_LIST) |
Axel Lin | 31bf0f5 | 2013-06-23 00:56:46 +0800 | [diff] [blame] | 2361 | for (i = 0; i < ARRAY_SIZE(apl); i++) { |
Marek Vasut | 31d3414 | 2011-10-21 14:17:05 +0000 | [diff] [blame] | 2362 | debug("autoprotecting from %08lx to %08lx\n", |
Heiko Schocher | 6ee1416 | 2011-04-04 08:10:21 +0200 | [diff] [blame] | 2363 | apl[i].start, apl[i].start + apl[i].size - 1); |
| 2364 | flash_protect(FLAG_PROTECT_SET, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2365 | apl[i].start, |
| 2366 | apl[i].start + apl[i].size - 1, |
| 2367 | flash_get_info(apl[i].start)); |
Heiko Schocher | 6ee1416 | 2011-04-04 08:10:21 +0200 | [diff] [blame] | 2368 | } |
| 2369 | #endif |
| 2370 | } |
| 2371 | |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2372 | unsigned long flash_init(void) |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2373 | { |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2374 | unsigned long size = 0; |
| 2375 | int i; |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2376 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 2377 | #ifdef CONFIG_SYS_FLASH_PROTECTION |
Eric Schumann | 3a3baf3 | 2009-03-21 09:59:34 -0400 | [diff] [blame] | 2378 | /* read environment from EEPROM */ |
| 2379 | char s[64]; |
Mario Six | 7223a8c | 2018-01-26 14:43:37 +0100 | [diff] [blame] | 2380 | |
Simon Glass | 00caae6 | 2017-08-03 12:22:12 -0600 | [diff] [blame] | 2381 | env_get_f("unlock", s, sizeof(s)); |
Michael Schwingen | 81b20cc | 2007-12-07 23:35:02 +0100 | [diff] [blame] | 2382 | #endif |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2383 | |
Thomas Chou | f105691 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 2384 | #ifdef CONFIG_CFI_FLASH /* for driver model */ |
| 2385 | cfi_flash_init_dm(); |
| 2386 | #endif |
| 2387 | |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2388 | /* Init: no FLASHes known */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 2389 | for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) { |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2390 | flash_info[i].flash_id = FLASH_UNKNOWN; |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2391 | |
Stefan Roese | 6f726f9 | 2010-10-25 18:31:48 +0200 | [diff] [blame] | 2392 | /* Optionally write flash configuration register */ |
| 2393 | cfi_flash_set_config_reg(cfi_flash_bank_addr(i), |
| 2394 | cfi_flash_config_reg(i)); |
| 2395 | |
Stefan Roese | b00e19c | 2010-08-30 10:11:51 +0200 | [diff] [blame] | 2396 | if (!flash_detect_legacy(cfi_flash_bank_addr(i), i)) |
Anatolij Gustschin | 34bbb8f | 2010-11-28 02:13:33 +0100 | [diff] [blame] | 2397 | flash_get_size(cfi_flash_bank_addr(i), i); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2398 | size += flash_info[i].size; |
| 2399 | if (flash_info[i].flash_id == FLASH_UNKNOWN) { |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 2400 | #ifndef CONFIG_SYS_FLASH_QUIET_TEST |
Mario Six | 876c52f | 2018-01-26 14:43:50 +0100 | [diff] [blame] | 2401 | printf("## Unknown flash on Bank %d ", i + 1); |
| 2402 | printf("- Size = 0x%08lx = %ld MB\n", |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2403 | flash_info[i].size, |
| 2404 | flash_info[i].size >> 20); |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 2405 | #endif /* CONFIG_SYS_FLASH_QUIET_TEST */ |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2406 | } |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 2407 | #ifdef CONFIG_SYS_FLASH_PROTECTION |
Jeroen Hofstee | c15df21 | 2014-06-17 22:47:31 +0200 | [diff] [blame] | 2408 | else if (strcmp(s, "yes") == 0) { |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2409 | /* |
| 2410 | * Only the U-Boot image and it's environment |
| 2411 | * is protected, all other sectors are |
| 2412 | * unprotected (unlocked) if flash hardware |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 2413 | * protection is used (CONFIG_SYS_FLASH_PROTECTION) |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2414 | * and the environment variable "unlock" is |
| 2415 | * set to "yes". |
| 2416 | */ |
| 2417 | if (flash_info[i].legacy_unlock) { |
| 2418 | int k; |
Stefan Roese | 79b4cda | 2006-02-28 15:29:58 +0100 | [diff] [blame] | 2419 | |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2420 | /* |
| 2421 | * Disable legacy_unlock temporarily, |
| 2422 | * since flash_real_protect would |
| 2423 | * relock all other sectors again |
| 2424 | * otherwise. |
| 2425 | */ |
| 2426 | flash_info[i].legacy_unlock = 0; |
Stefan Roese | 79b4cda | 2006-02-28 15:29:58 +0100 | [diff] [blame] | 2427 | |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2428 | /* |
| 2429 | * Legacy unlocking (e.g. Intel J3) -> |
| 2430 | * unlock only one sector. This will |
| 2431 | * unlock all sectors. |
| 2432 | */ |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2433 | flash_real_protect(&flash_info[i], 0, 0); |
Stefan Roese | 79b4cda | 2006-02-28 15:29:58 +0100 | [diff] [blame] | 2434 | |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2435 | flash_info[i].legacy_unlock = 1; |
| 2436 | |
| 2437 | /* |
| 2438 | * Manually mark other sectors as |
| 2439 | * unlocked (unprotected) |
| 2440 | */ |
| 2441 | for (k = 1; k < flash_info[i].sector_count; k++) |
| 2442 | flash_info[i].protect[k] = 0; |
| 2443 | } else { |
| 2444 | /* |
| 2445 | * No legancy unlocking -> unlock all sectors |
| 2446 | */ |
Mario Six | 188a556 | 2018-01-26 14:43:31 +0100 | [diff] [blame] | 2447 | flash_protect(FLAG_PROTECT_CLEAR, |
Mario Six | c0350fb | 2018-01-26 14:43:55 +0100 | [diff] [blame] | 2448 | flash_info[i].start[0], |
| 2449 | flash_info[i].start[0] |
| 2450 | + flash_info[i].size - 1, |
| 2451 | &flash_info[i]); |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2452 | } |
Stefan Roese | 79b4cda | 2006-02-28 15:29:58 +0100 | [diff] [blame] | 2453 | } |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 2454 | #endif /* CONFIG_SYS_FLASH_PROTECTION */ |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2455 | } |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2456 | |
Heiko Schocher | 6ee1416 | 2011-04-04 08:10:21 +0200 | [diff] [blame] | 2457 | flash_protect_default(); |
Piotr Ziecik | 91809ed | 2008-11-17 15:57:58 +0100 | [diff] [blame] | 2458 | #ifdef CONFIG_FLASH_CFI_MTD |
| 2459 | cfi_mtd_init(); |
| 2460 | #endif |
| 2461 | |
Haavard Skinnemoen | be60a90 | 2007-10-06 18:55:36 +0200 | [diff] [blame] | 2462 | return (size); |
wdenk | 5653fc3 | 2004-02-08 22:55:38 +0000 | [diff] [blame] | 2463 | } |
Thomas Chou | f105691 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 2464 | |
| 2465 | #ifdef CONFIG_CFI_FLASH /* for driver model */ |
| 2466 | static int cfi_flash_probe(struct udevice *dev) |
| 2467 | { |
Thomas Chou | f105691 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 2468 | const fdt32_t *cell; |
Mario Six | 8bfeb33 | 2018-03-28 14:38:41 +0200 | [diff] [blame] | 2469 | int addrc, sizec; |
Thomas Chou | f105691 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 2470 | int len, idx; |
| 2471 | |
Mario Six | 8bfeb33 | 2018-03-28 14:38:41 +0200 | [diff] [blame] | 2472 | addrc = dev_read_addr_cells(dev); |
| 2473 | sizec = dev_read_size_cells(dev); |
| 2474 | |
| 2475 | /* decode regs; there may be multiple reg tuples. */ |
| 2476 | cell = dev_read_prop(dev, "reg", &len); |
Thomas Chou | f105691 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 2477 | if (!cell) |
| 2478 | return -ENOENT; |
| 2479 | idx = 0; |
| 2480 | len /= sizeof(fdt32_t); |
| 2481 | while (idx < len) { |
Mario Six | 8bfeb33 | 2018-03-28 14:38:41 +0200 | [diff] [blame] | 2482 | phys_addr_t addr; |
| 2483 | |
| 2484 | addr = dev_translate_address(dev, cell + idx); |
| 2485 | |
Marek Vasut | 1ec0a37 | 2017-09-12 19:09:08 +0200 | [diff] [blame] | 2486 | flash_info[cfi_flash_num_flash_banks].dev = dev; |
| 2487 | flash_info[cfi_flash_num_flash_banks].base = addr; |
| 2488 | cfi_flash_num_flash_banks++; |
Mario Six | 8bfeb33 | 2018-03-28 14:38:41 +0200 | [diff] [blame] | 2489 | |
Thomas Chou | f105691 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 2490 | idx += addrc + sizec; |
| 2491 | } |
Marek Vasut | 1ec0a37 | 2017-09-12 19:09:08 +0200 | [diff] [blame] | 2492 | gd->bd->bi_flashstart = flash_info[0].base; |
Thomas Chou | f105691 | 2015-11-07 14:31:08 +0800 | [diff] [blame] | 2493 | |
| 2494 | return 0; |
| 2495 | } |
| 2496 | |
| 2497 | static const struct udevice_id cfi_flash_ids[] = { |
| 2498 | { .compatible = "cfi-flash" }, |
| 2499 | { .compatible = "jedec-flash" }, |
| 2500 | {} |
| 2501 | }; |
| 2502 | |
| 2503 | U_BOOT_DRIVER(cfi_flash) = { |
| 2504 | .name = "cfi_flash", |
| 2505 | .id = UCLASS_MTD, |
| 2506 | .of_match = cfi_flash_ids, |
| 2507 | .probe = cfi_flash_probe, |
| 2508 | }; |
| 2509 | #endif /* CONFIG_CFI_FLASH */ |