1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2019 Rockchip Electronics Co., Ltd
7 #include <debug_uart.h>
12 #include <asm/arch-rockchip/bootrom.h>
15 DECLARE_GLOBAL_DATA_PTR;
17 int board_return_to_bootrom(struct spl_image_info *spl_image,
18 struct spl_boot_device *bootdev)
20 back_to_bootrom(BROM_BOOT_NEXTSTAGE);
25 __weak const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
28 const char *board_spl_was_booted_from(void)
30 u32 bootdevice_brom_id = readl(BROM_BOOTSOURCE_ID_ADDR);
31 const char *bootdevice_ofpath = NULL;
33 if (bootdevice_brom_id < ARRAY_SIZE(boot_devices))
34 bootdevice_ofpath = boot_devices[bootdevice_brom_id];
36 if (bootdevice_ofpath)
37 debug("%s: brom_bootdevice_id %x maps to '%s'\n",
38 __func__, bootdevice_brom_id, bootdevice_ofpath);
40 debug("%s: failed to resolve brom_bootdevice_id %x\n",
41 __func__, bootdevice_brom_id);
43 return bootdevice_ofpath;
46 u32 spl_boot_device(void)
48 u32 boot_device = BOOT_DEVICE_MMC1;
50 #if defined(CONFIG_TARGET_CHROMEBOOK_JERRY) || \
51 defined(CONFIG_TARGET_CHROMEBIT_MICKEY) || \
52 defined(CONFIG_TARGET_CHROMEBOOK_MINNIE)
53 return BOOT_DEVICE_SPI;
55 if (CONFIG_IS_ENABLED(ROCKCHIP_BACK_TO_BROM))
56 return BOOT_DEVICE_BOOTROM;
61 u32 spl_boot_mode(const u32 boot_device)
63 return MMCSD_MODE_RAW;
66 #if !defined(CONFIG_ROCKCHIP_RK3188)
67 #define TIMER_LOAD_COUNT_L 0x00
68 #define TIMER_LOAD_COUNT_H 0x04
69 #define TIMER_CONTROL_REG 0x10
71 #define TIMER_FMODE BIT(0)
72 #define TIMER_RMODE BIT(1)
74 __weak void rockchip_stimer_init(void)
76 /* If Timer already enabled, don't re-init it */
77 u32 reg = readl(CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG);
82 asm volatile("mcr p15, 0, %0, c14, c0, 0"
83 : : "r"(COUNTER_FREQUENCY));
85 writel(0, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG);
86 writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE);
87 writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE + 4);
88 writel(TIMER_EN | TIMER_FMODE, CONFIG_ROCKCHIP_STIMER_BASE +
93 __weak int board_early_init_f(void)
98 __weak int arch_cpu_init(void)
103 void board_init_f(ulong dummy)
106 #if !defined(CONFIG_TPL) || defined(CONFIG_SPL_OS_BOOT)
110 #ifdef CONFIG_DEBUG_UART
112 * Debug UART can be used from here if required:
117 * printascii("string");
120 debug("\nspl:debug uart enabled in %s\n", __func__);
123 board_early_init_f();
125 ret = spl_early_init();
127 printf("spl_early_init() failed: %d\n", ret);
131 #if !defined(CONFIG_ROCKCHIP_RK3188)
132 rockchip_stimer_init();
134 #ifdef CONFIG_SYS_ARCH_TIMER
135 /* Init ARM arch timer in arch/arm/cpu/armv7/arch_timer.c */
138 #if !defined(CONFIG_TPL) || defined(CONFIG_SPL_OS_BOOT)
139 debug("\nspl:init dram\n");
140 ret = uclass_get_device(UCLASS_RAM, 0, &dev);
142 printf("DRAM init failed: %d\n", ret);
146 preloader_console_init();
149 #ifdef CONFIG_SPL_LOAD_FIT
150 int board_fit_config_name_match(const char *name)
152 /* Just empty function now - can't decide what to choose */
153 debug("%s: %s\n", __func__, name);