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>
12 #include <asm/arch-rockchip/sdram.h>
15 DECLARE_GLOBAL_DATA_PTR;
17 void board_return_to_bootrom(void)
19 back_to_bootrom(BROM_BOOT_NEXTSTAGE);
22 __weak const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
25 const char *board_spl_was_booted_from(void)
27 u32 bootdevice_brom_id = readl(BROM_BOOTSOURCE_ID_ADDR);
28 const char *bootdevice_ofpath = NULL;
30 if (bootdevice_brom_id < ARRAY_SIZE(boot_devices))
31 bootdevice_ofpath = boot_devices[bootdevice_brom_id];
33 if (bootdevice_ofpath)
34 debug("%s: brom_bootdevice_id %x maps to '%s'\n",
35 __func__, bootdevice_brom_id, bootdevice_ofpath);
37 debug("%s: failed to resolve brom_bootdevice_id %x\n",
38 __func__, bootdevice_brom_id);
40 return bootdevice_ofpath;
43 u32 spl_boot_device(void)
45 u32 boot_device = BOOT_DEVICE_MMC1;
47 #if defined(CONFIG_TARGET_CHROMEBOOK_JERRY) || \
48 defined(CONFIG_TARGET_CHROMEBIT_MICKEY) || \
49 defined(CONFIG_TARGET_CHROMEBOOK_MINNIE)
50 return BOOT_DEVICE_SPI;
52 if (CONFIG_IS_ENABLED(ROCKCHIP_BACK_TO_BROM))
53 return BOOT_DEVICE_BOOTROM;
58 u32 spl_boot_mode(const u32 boot_device)
60 return MMCSD_MODE_RAW;
63 #if !defined(CONFIG_ROCKCHIP_RK3188)
64 #define TIMER_LOAD_COUNT_L 0x00
65 #define TIMER_LOAD_COUNT_H 0x04
66 #define TIMER_CONTROL_REG 0x10
68 #define TIMER_FMODE BIT(0)
69 #define TIMER_RMODE BIT(1)
71 __weak void rockchip_stimer_init(void)
73 /* If Timer already enabled, don't re-init it */
74 u32 reg = readl(CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG);
79 asm volatile("mcr p15, 0, %0, c14, c0, 0"
80 : : "r"(COUNTER_FREQUENCY));
82 writel(0, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG);
83 writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE);
84 writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE + 4);
85 writel(TIMER_EN | TIMER_FMODE, CONFIG_ROCKCHIP_STIMER_BASE +
90 __weak int board_early_init_f(void)
95 __weak int arch_cpu_init(void)
100 void board_init_f(ulong dummy)
103 #if !defined(CONFIG_SUPPORT_TPL) || defined(CONFIG_SPL_OS_BOOT)
107 #ifdef CONFIG_DEBUG_UART
109 * Debug UART can be used from here if required:
114 * printascii("string");
117 debug("\nspl:debug uart enabled in %s\n", __func__);
120 board_early_init_f();
122 ret = spl_early_init();
124 printf("spl_early_init() failed: %d\n", ret);
128 #if !defined(CONFIG_SUPPORT_TPL) || defined(CONFIG_SPL_OS_BOOT)
129 debug("\nspl:init dram\n");
130 ret = uclass_get_device(UCLASS_RAM, 0, &dev);
132 printf("DRAM init failed: %d\n", ret);
136 #if !defined(CONFIG_ROCKCHIP_RK3188)
137 rockchip_stimer_init();
139 #ifdef CONFIG_SYS_ARCH_TIMER
140 /* Init ARM arch timer in arch/arm/cpu/armv7/arch_timer.c */
143 preloader_console_init();
146 #ifdef CONFIG_SPL_LOAD_FIT
147 int board_fit_config_name_match(const char *name)
149 /* Just empty function now - can't decide what to choose */
150 debug("%s: %s\n", __func__, name);