1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2019 Rockchip Electronics Co., Ltd
7 #include <debug_uart.h>
11 #include <asm/arch-rockchip/bootrom.h>
14 DECLARE_GLOBAL_DATA_PTR;
16 int board_return_to_bootrom(struct spl_image_info *spl_image,
17 struct spl_boot_device *bootdev)
19 back_to_bootrom(BROM_BOOT_NEXTSTAGE);
24 __weak const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
27 const char *board_spl_was_booted_from(void)
29 u32 bootdevice_brom_id = readl(BROM_BOOTSOURCE_ID_ADDR);
30 const char *bootdevice_ofpath = NULL;
32 if (bootdevice_brom_id < ARRAY_SIZE(boot_devices))
33 bootdevice_ofpath = boot_devices[bootdevice_brom_id];
35 if (bootdevice_ofpath)
36 debug("%s: brom_bootdevice_id %x maps to '%s'\n",
37 __func__, bootdevice_brom_id, bootdevice_ofpath);
39 debug("%s: failed to resolve brom_bootdevice_id %x\n",
40 __func__, bootdevice_brom_id);
42 return bootdevice_ofpath;
45 u32 spl_boot_device(void)
47 u32 boot_device = BOOT_DEVICE_MMC1;
49 #if defined(CONFIG_TARGET_CHROMEBOOK_JERRY) || \
50 defined(CONFIG_TARGET_CHROMEBIT_MICKEY) || \
51 defined(CONFIG_TARGET_CHROMEBOOK_MINNIE)
52 return BOOT_DEVICE_SPI;
54 if (CONFIG_IS_ENABLED(ROCKCHIP_BACK_TO_BROM))
55 return BOOT_DEVICE_BOOTROM;
60 u32 spl_boot_mode(const u32 boot_device)
62 return MMCSD_MODE_RAW;
65 #if !defined(CONFIG_ROCKCHIP_RK3188)
66 #define TIMER_LOAD_COUNT_L 0x00
67 #define TIMER_LOAD_COUNT_H 0x04
68 #define TIMER_CONTROL_REG 0x10
70 #define TIMER_FMODE BIT(0)
71 #define TIMER_RMODE BIT(1)
73 __weak void rockchip_stimer_init(void)
75 /* If Timer already enabled, don't re-init it */
76 u32 reg = readl(CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG);
81 asm volatile("mcr p15, 0, %0, c14, c0, 0"
82 : : "r"(COUNTER_FREQUENCY));
84 writel(0, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG);
85 writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE);
86 writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE + 4);
87 writel(TIMER_EN | TIMER_FMODE, CONFIG_ROCKCHIP_STIMER_BASE +
92 __weak int board_early_init_f(void)
97 __weak int arch_cpu_init(void)
102 void board_init_f(ulong dummy)
105 #if !defined(CONFIG_TPL) || defined(CONFIG_SPL_OS_BOOT)
109 #ifdef CONFIG_DEBUG_UART
111 * Debug UART can be used from here if required:
116 * printascii("string");
119 debug("\nspl:debug uart enabled in %s\n", __func__);
122 board_early_init_f();
124 ret = spl_early_init();
126 printf("spl_early_init() failed: %d\n", ret);
130 #if !defined(CONFIG_ROCKCHIP_RK3188)
131 rockchip_stimer_init();
133 #ifdef CONFIG_SYS_ARCH_TIMER
134 /* Init ARM arch timer in arch/arm/cpu/armv7/arch_timer.c */
137 #if !defined(CONFIG_TPL) || defined(CONFIG_SPL_OS_BOOT)
138 debug("\nspl:init dram\n");
139 ret = uclass_get_device(UCLASS_RAM, 0, &dev);
141 printf("DRAM init failed: %d\n", ret);
145 preloader_console_init();
148 #ifdef CONFIG_SPL_LOAD_FIT
149 int board_fit_config_name_match(const char *name)
151 /* Just empty function now - can't decide what to choose */
152 debug("%s: %s\n", __func__, name);