2 * Copyright (C) 2013 Atmel Corporation
3 * Bo Shen <voice.shen@atmel.com>
5 * SPDX-License-Identifier: GPL-2.0+
10 #include <asm/arch/at91_common.h>
11 #include <asm/arch/at91_wdt.h>
12 #include <asm/arch/clk.h>
15 #if defined(CONFIG_AT91SAM9_WATCHDOG)
16 void at91_disable_wdt(void) { }
18 void at91_disable_wdt(void)
20 struct at91_wdt
*wdt
= (struct at91_wdt
*)ATMEL_BASE_WDT
;
22 writel(AT91_WDT_MR_WDDIS
, &wdt
->mr
);
26 #if defined(CONFIG_SAMA5D2) || defined(CONFIG_SAMA5D3) || \
27 defined(CONFIG_SAMA5D4)
28 #include <asm/arch/sama5_boot.h>
31 } bootrom_stash
__attribute__((section(".data")));
33 u32
spl_boot_device(void)
35 u32 dev
= (bootrom_stash
.r4
>> ATMEL_SAMA5_BOOT_FROM_OFF
) &
36 ATMEL_SAMA5_BOOT_FROM_MASK
;
37 u32 off
= (bootrom_stash
.r4
>> ATMEL_SAMA5_BOOT_DEV_ID_OFF
) &
38 ATMEL_SAMA5_BOOT_DEV_ID_MASK
;
40 #if defined(CONFIG_SYS_USE_MMC) || defined(CONFIG_SD_BOOT)
41 if (dev
== ATMEL_SAMA5_BOOT_FROM_MCI
) {
42 #if defined(CONFIG_SPL_OF_CONTROL)
43 return BOOT_DEVICE_MMC1
;
46 return BOOT_DEVICE_MMC1
;
48 return BOOT_DEVICE_MMC2
;
49 printf("ERROR: MMC controller %i not present!\n", dev
);
55 #if defined(CONFIG_SYS_USE_SERIALFLASH) || \
56 defined(CONFIG_SYS_USE_SPIFLASH) || \
57 defined(CONFIG_SPI_BOOT)
58 if (dev
== ATMEL_SAMA5_BOOT_FROM_SPI
)
59 return BOOT_DEVICE_SPI
;
61 if (dev
== ATMEL_SAMA5_BOOT_FROM_QSPI
)
62 return BOOT_DEVICE_SPI
;
64 if (dev
== ATMEL_SAMA5_BOOT_FROM_SMC
)
65 return BOOT_DEVICE_NAND
;
67 if (dev
== ATMEL_SAMA5_BOOT_FROM_SAMBA
)
68 return BOOT_DEVICE_USB
;
70 printf("ERROR: SMC/TWI/QSPI boot device not supported!\n"
71 " Boot device %i, controller number %i\n", dev
, off
);
73 return BOOT_DEVICE_NONE
;
76 u32
spl_boot_device(void)
78 #if defined(CONFIG_SYS_USE_MMC) || defined(CONFIG_SD_BOOT)
79 return BOOT_DEVICE_MMC1
;
80 #elif defined(CONFIG_SYS_USE_NANDFLASH) || defined(CONFIG_NAND_BOOT)
81 return BOOT_DEVICE_NAND
;
82 #elif defined(CONFIG_SYS_USE_SERIALFLASH) || \
83 defined(CONFIG_SYS_USE_SPIFLASH) || \
84 defined(CONFIG_SPI_BOOT)
85 return BOOT_DEVICE_SPI
;
87 return BOOT_DEVICE_NONE
;
91 u32
spl_boot_mode(const u32 boot_device
)
93 switch (boot_device
) {
94 #if defined(CONFIG_SYS_USE_MMC) || defined(CONFIG_SD_BOOT)
95 case BOOT_DEVICE_MMC1
:
96 case BOOT_DEVICE_MMC2
:
100 case BOOT_DEVICE_NONE
: