Tom Rini | 83d290c | 2018-05-06 17:58:06 -0400 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
Bo Shen | c5e8885 | 2013-11-15 11:12:38 +0800 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2013 Atmel Corporation |
| 4 | * Bo Shen <voice.shen@atmel.com> |
Bo Shen | c5e8885 | 2013-11-15 11:12:38 +0800 | [diff] [blame] | 5 | */ |
| 6 | |
| 7 | #include <common.h> |
| 8 | #include <asm/io.h> |
| 9 | #include <asm/arch/at91_common.h> |
Bo Shen | c5e8885 | 2013-11-15 11:12:38 +0800 | [diff] [blame] | 10 | #include <asm/arch/at91_wdt.h> |
| 11 | #include <asm/arch/clk.h> |
| 12 | #include <spl.h> |
| 13 | |
Heiko Schocher | 49b461f | 2015-01-21 08:38:20 +0100 | [diff] [blame] | 14 | #if defined(CONFIG_AT91SAM9_WATCHDOG) |
| 15 | void at91_disable_wdt(void) { } |
| 16 | #else |
Heiko Schocher | 5abc00d | 2014-10-31 08:31:04 +0100 | [diff] [blame] | 17 | void at91_disable_wdt(void) |
Bo Shen | c5e8885 | 2013-11-15 11:12:38 +0800 | [diff] [blame] | 18 | { |
| 19 | struct at91_wdt *wdt = (struct at91_wdt *)ATMEL_BASE_WDT; |
| 20 | |
| 21 | writel(AT91_WDT_MR_WDDIS, &wdt->mr); |
| 22 | } |
Heiko Schocher | 49b461f | 2015-01-21 08:38:20 +0100 | [diff] [blame] | 23 | #endif |
Bo Shen | c5e8885 | 2013-11-15 11:12:38 +0800 | [diff] [blame] | 24 | |
Marek Vasut | 1c24f13 | 2016-05-14 23:43:01 +0200 | [diff] [blame] | 25 | #if defined(CONFIG_SAMA5D2) || defined(CONFIG_SAMA5D3) || \ |
| 26 | defined(CONFIG_SAMA5D4) |
| 27 | #include <asm/arch/sama5_boot.h> |
Marek Vasut | bb0c63a | 2016-04-22 21:56:21 +0200 | [diff] [blame] | 28 | struct { |
| 29 | u32 r4; |
| 30 | } bootrom_stash __attribute__((section(".data"))); |
| 31 | |
| 32 | u32 spl_boot_device(void) |
| 33 | { |
Marek Vasut | 1c24f13 | 2016-05-14 23:43:01 +0200 | [diff] [blame] | 34 | u32 dev = (bootrom_stash.r4 >> ATMEL_SAMA5_BOOT_FROM_OFF) & |
| 35 | ATMEL_SAMA5_BOOT_FROM_MASK; |
| 36 | u32 off = (bootrom_stash.r4 >> ATMEL_SAMA5_BOOT_DEV_ID_OFF) & |
| 37 | ATMEL_SAMA5_BOOT_DEV_ID_MASK; |
Marek Vasut | bb0c63a | 2016-04-22 21:56:21 +0200 | [diff] [blame] | 38 | |
Wenyou Yang | a35c340 | 2017-09-14 11:07:43 +0800 | [diff] [blame] | 39 | #if defined(CONFIG_SYS_USE_MMC) || defined(CONFIG_SD_BOOT) |
Marek Vasut | 1c24f13 | 2016-05-14 23:43:01 +0200 | [diff] [blame] | 40 | if (dev == ATMEL_SAMA5_BOOT_FROM_MCI) { |
Wenyou Yang | c00d7c3 | 2017-03-24 11:34:03 +0800 | [diff] [blame] | 41 | #if defined(CONFIG_SPL_OF_CONTROL) |
| 42 | return BOOT_DEVICE_MMC1; |
| 43 | #else |
Marek Vasut | bb0c63a | 2016-04-22 21:56:21 +0200 | [diff] [blame] | 44 | if (off == 0) |
| 45 | return BOOT_DEVICE_MMC1; |
| 46 | if (off == 1) |
| 47 | return BOOT_DEVICE_MMC2; |
| 48 | printf("ERROR: MMC controller %i not present!\n", dev); |
| 49 | hang(); |
Wenyou Yang | c00d7c3 | 2017-03-24 11:34:03 +0800 | [diff] [blame] | 50 | #endif |
Marek Vasut | bb0c63a | 2016-04-22 21:56:21 +0200 | [diff] [blame] | 51 | } |
| 52 | #endif |
| 53 | |
Wenyou Yang | a35c340 | 2017-09-14 11:07:43 +0800 | [diff] [blame] | 54 | #if defined(CONFIG_SYS_USE_SERIALFLASH) || \ |
| 55 | defined(CONFIG_SYS_USE_SPIFLASH) || \ |
| 56 | defined(CONFIG_SPI_BOOT) |
Marek Vasut | 1c24f13 | 2016-05-14 23:43:01 +0200 | [diff] [blame] | 57 | if (dev == ATMEL_SAMA5_BOOT_FROM_SPI) |
Marek Vasut | bb0c63a | 2016-04-22 21:56:21 +0200 | [diff] [blame] | 58 | return BOOT_DEVICE_SPI; |
| 59 | #endif |
Wenyou Yang | dfd6d3a | 2017-09-13 14:58:51 +0800 | [diff] [blame] | 60 | if (dev == ATMEL_SAMA5_BOOT_FROM_QSPI) |
| 61 | return BOOT_DEVICE_SPI; |
Marek Vasut | bb0c63a | 2016-04-22 21:56:21 +0200 | [diff] [blame] | 62 | |
Wenyou Yang | c00d7c3 | 2017-03-24 11:34:03 +0800 | [diff] [blame] | 63 | if (dev == ATMEL_SAMA5_BOOT_FROM_SMC) |
| 64 | return BOOT_DEVICE_NAND; |
| 65 | |
Marek Vasut | 1c24f13 | 2016-05-14 23:43:01 +0200 | [diff] [blame] | 66 | if (dev == ATMEL_SAMA5_BOOT_FROM_SAMBA) |
| 67 | return BOOT_DEVICE_USB; |
| 68 | |
Marek Vasut | bb0c63a | 2016-04-22 21:56:21 +0200 | [diff] [blame] | 69 | printf("ERROR: SMC/TWI/QSPI boot device not supported!\n" |
| 70 | " Boot device %i, controller number %i\n", dev, off); |
| 71 | |
| 72 | return BOOT_DEVICE_NONE; |
| 73 | } |
| 74 | #else |
Bo Shen | c5e8885 | 2013-11-15 11:12:38 +0800 | [diff] [blame] | 75 | u32 spl_boot_device(void) |
| 76 | { |
Wenyou Yang | a35c340 | 2017-09-14 11:07:43 +0800 | [diff] [blame] | 77 | #if defined(CONFIG_SYS_USE_MMC) || defined(CONFIG_SD_BOOT) |
Bo Shen | c5e8885 | 2013-11-15 11:12:38 +0800 | [diff] [blame] | 78 | return BOOT_DEVICE_MMC1; |
Wenyou Yang | a35c340 | 2017-09-14 11:07:43 +0800 | [diff] [blame] | 79 | #elif defined(CONFIG_SYS_USE_NANDFLASH) || defined(CONFIG_NAND_BOOT) |
Bo Shen | 27019e4 | 2014-03-03 14:47:17 +0800 | [diff] [blame] | 80 | return BOOT_DEVICE_NAND; |
Wenyou Yang | a35c340 | 2017-09-14 11:07:43 +0800 | [diff] [blame] | 81 | #elif defined(CONFIG_SYS_USE_SERIALFLASH) || \ |
| 82 | defined(CONFIG_SYS_USE_SPIFLASH) || \ |
| 83 | defined(CONFIG_SPI_BOOT) |
Bo Shen | 8a45b0b | 2014-03-03 14:47:15 +0800 | [diff] [blame] | 84 | return BOOT_DEVICE_SPI; |
Bo Shen | c5e8885 | 2013-11-15 11:12:38 +0800 | [diff] [blame] | 85 | #endif |
| 86 | return BOOT_DEVICE_NONE; |
| 87 | } |
Marek Vasut | bb0c63a | 2016-04-22 21:56:21 +0200 | [diff] [blame] | 88 | #endif |