projects / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| c5e8885a BS |
2 | /* |
| 3 | * Copyright (C) 2013 Atmel Corporation | |
| 4 | * Bo Shen <[email protected]> | |
| c5e8885a BS |
5 | */ |
| 6 | ||
| 7 | #include <common.h> | |
| 8 | #include <asm/io.h> | |
| 9 | #include <asm/arch/at91_common.h> | |
| c5e8885a BS |
10 | #include <asm/arch/at91_wdt.h> |
| 11 | #include <asm/arch/clk.h> | |
| 12 | #include <spl.h> | |
| 13 | ||
| 1473f6ac | 14 | #if !defined(CONFIG_WDT_AT91) |
| 5abc00d0 | 15 | void at91_disable_wdt(void) |
| c5e8885a BS |
16 | { |
| 17 | struct at91_wdt *wdt = (struct at91_wdt *)ATMEL_BASE_WDT; | |
| 18 | ||
| 19 | writel(AT91_WDT_MR_WDDIS, &wdt->mr); | |
| 20 | } | |
| 49b461f3 | 21 | #endif |
| c5e8885a | 22 | |
| 1c24f13f MV |
23 | #if defined(CONFIG_SAMA5D2) || defined(CONFIG_SAMA5D3) || \ |
| 24 | defined(CONFIG_SAMA5D4) | |
| 25 | #include <asm/arch/sama5_boot.h> | |
| bb0c63a5 MV |
26 | struct { |
| 27 | u32 r4; | |
| 28 | } bootrom_stash __attribute__((section(".data"))); | |
| 29 | ||
| 30 | u32 spl_boot_device(void) | |
| 31 | { | |
| 1c24f13f MV |
32 | u32 dev = (bootrom_stash.r4 >> ATMEL_SAMA5_BOOT_FROM_OFF) & |
| 33 | ATMEL_SAMA5_BOOT_FROM_MASK; | |
| 34 | u32 off = (bootrom_stash.r4 >> ATMEL_SAMA5_BOOT_DEV_ID_OFF) & | |
| 35 | ATMEL_SAMA5_BOOT_DEV_ID_MASK; | |
| bb0c63a5 | 36 | |
| a35c3402 | 37 | #if defined(CONFIG_SYS_USE_MMC) || defined(CONFIG_SD_BOOT) |
| 1c24f13f | 38 | if (dev == ATMEL_SAMA5_BOOT_FROM_MCI) { |
| c00d7c33 WY |
39 | #if defined(CONFIG_SPL_OF_CONTROL) |
| 40 | return BOOT_DEVICE_MMC1; | |
| 41 | #else | |
| bb0c63a5 MV |
42 | if (off == 0) |
| 43 | return BOOT_DEVICE_MMC1; | |
| 44 | if (off == 1) | |
| 45 | return BOOT_DEVICE_MMC2; | |
| 46 | printf("ERROR: MMC controller %i not present!\n", dev); | |
| 47 | hang(); | |
| c00d7c33 | 48 | #endif |
| bb0c63a5 MV |
49 | } |
| 50 | #endif | |
| 51 | ||
| a35c3402 WY |
52 | #if defined(CONFIG_SYS_USE_SERIALFLASH) || \ |
| 53 | defined(CONFIG_SYS_USE_SPIFLASH) || \ | |
| 54 | defined(CONFIG_SPI_BOOT) | |
| 1c24f13f | 55 | if (dev == ATMEL_SAMA5_BOOT_FROM_SPI) |
| bb0c63a5 MV |
56 | return BOOT_DEVICE_SPI; |
| 57 | #endif | |
| dfd6d3a9 WY |
58 | if (dev == ATMEL_SAMA5_BOOT_FROM_QSPI) |
| 59 | return BOOT_DEVICE_SPI; | |
| bb0c63a5 | 60 | |
| c00d7c33 WY |
61 | if (dev == ATMEL_SAMA5_BOOT_FROM_SMC) |
| 62 | return BOOT_DEVICE_NAND; | |
| 63 | ||
| 1c24f13f MV |
64 | if (dev == ATMEL_SAMA5_BOOT_FROM_SAMBA) |
| 65 | return BOOT_DEVICE_USB; | |
| 66 | ||
| bb0c63a5 MV |
67 | printf("ERROR: SMC/TWI/QSPI boot device not supported!\n" |
| 68 | " Boot device %i, controller number %i\n", dev, off); | |
| 69 | ||
| 70 | return BOOT_DEVICE_NONE; | |
| 71 | } | |
| 72 | #else | |
| c5e8885a BS |
73 | u32 spl_boot_device(void) |
| 74 | { | |
| a35c3402 | 75 | #if defined(CONFIG_SYS_USE_MMC) || defined(CONFIG_SD_BOOT) |
| c5e8885a | 76 | return BOOT_DEVICE_MMC1; |
| a35c3402 | 77 | #elif defined(CONFIG_SYS_USE_NANDFLASH) || defined(CONFIG_NAND_BOOT) |
| 27019e4a | 78 | return BOOT_DEVICE_NAND; |
| a35c3402 WY |
79 | #elif defined(CONFIG_SYS_USE_SERIALFLASH) || \ |
| 80 | defined(CONFIG_SYS_USE_SPIFLASH) || \ | |
| 81 | defined(CONFIG_SPI_BOOT) | |
| 8a45b0ba | 82 | return BOOT_DEVICE_SPI; |
| c5e8885a BS |
83 | #endif |
| 84 | return BOOT_DEVICE_NONE; | |
| 85 | } | |
| bb0c63a5 | 86 | #endif |