Wolfgang Denk | ba94a1b | 2006-05-30 15:56:48 +0200 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2006 |
| 3 | * Stefan Roese, DENX Software Engineering, sr@denx.de. |
| 4 | * |
Wolfgang Denk | 1a45966 | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 5 | * SPDX-License-Identifier: GPL-2.0+ |
Wolfgang Denk | ba94a1b | 2006-05-30 15:56:48 +0200 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #include <common.h> |
| 9 | #include <asm/arch/ixp425.h> |
| 10 | |
Jean-Christophe PLAGNIOL-VILLARD | 00b1883 | 2008-08-13 01:40:42 +0200 | [diff] [blame] | 11 | #if !defined(CONFIG_FLASH_CFI_DRIVER) |
Stefan Roese | 9d8d5a5 | 2007-01-18 16:05:47 +0100 | [diff] [blame] | 12 | |
Wolfgang Denk | ba94a1b | 2006-05-30 15:56:48 +0200 | [diff] [blame] | 13 | /* |
| 14 | * include common flash code (for esd boards) |
| 15 | */ |
| 16 | #include "../common/flash.c" |
| 17 | |
| 18 | /* |
| 19 | * Prototypes |
| 20 | */ |
| 21 | static ulong flash_get_size (vu_long * addr, flash_info_t * info); |
| 22 | |
| 23 | static inline ulong ld(ulong x) |
| 24 | { |
| 25 | ulong k = 0; |
| 26 | |
| 27 | while (x >>= 1) |
| 28 | ++k; |
| 29 | |
| 30 | return k; |
| 31 | } |
| 32 | |
| 33 | unsigned long flash_init(void) |
| 34 | { |
| 35 | unsigned long size; |
| 36 | int i; |
| 37 | |
| 38 | /* Init: no FLASHes known */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 39 | for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; i++) |
Wolfgang Denk | ba94a1b | 2006-05-30 15:56:48 +0200 | [diff] [blame] | 40 | flash_info[i].flash_id = FLASH_UNKNOWN; |
| 41 | |
| 42 | size = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]); |
| 43 | |
| 44 | if (flash_info[0].flash_id == FLASH_UNKNOWN) |
| 45 | printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", |
| 46 | size, size<<20); |
| 47 | |
| 48 | /* Reconfigure CS0 to actual FLASH size */ |
| 49 | *IXP425_EXP_CS0 = (*IXP425_EXP_CS0 & ~0x00003C00) | ((ld(size) - 9) << 10); |
| 50 | |
| 51 | /* Monitor protection ON by default */ |
| 52 | flash_protect(FLAG_PROTECT_SET, |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 53 | CONFIG_SYS_MONITOR_BASE, CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, |
| 54 | &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); |
Wolfgang Denk | ba94a1b | 2006-05-30 15:56:48 +0200 | [diff] [blame] | 55 | |
| 56 | /* Environment protection ON by default */ |
| 57 | flash_protect(FLAG_PROTECT_SET, |
Jean-Christophe PLAGNIOL-VILLARD | 0e8d158 | 2008-09-10 22:48:06 +0200 | [diff] [blame] | 58 | CONFIG_ENV_ADDR, |
| 59 | CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1, |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 60 | &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); |
Wolfgang Denk | ba94a1b | 2006-05-30 15:56:48 +0200 | [diff] [blame] | 61 | |
| 62 | /* Redundant environment protection ON by default */ |
| 63 | flash_protect(FLAG_PROTECT_SET, |
Jean-Christophe PLAGNIOL-VILLARD | 0e8d158 | 2008-09-10 22:48:06 +0200 | [diff] [blame] | 64 | CONFIG_ENV_ADDR_REDUND, |
Wolfgang Denk | dfcd7f2 | 2009-05-15 00:16:03 +0200 | [diff] [blame] | 65 | CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1, |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 66 | &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); |
Wolfgang Denk | ba94a1b | 2006-05-30 15:56:48 +0200 | [diff] [blame] | 67 | |
| 68 | flash_info[0].size = size; |
| 69 | |
| 70 | return size; |
| 71 | } |
Stefan Roese | 9d8d5a5 | 2007-01-18 16:05:47 +0100 | [diff] [blame] | 72 | |
Jean-Christophe PLAGNIOL-VILLARD | 00b1883 | 2008-08-13 01:40:42 +0200 | [diff] [blame] | 73 | #endif /* CONFIG_FLASH_CFI_DRIVER */ |