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u-boot/arch/arm/mach-rockchip/rk3399-board-spl.c
Kever Yang faa98c7c5a rockchip: rk3399: move chromebook bob specific flow to its board file
Add a board_early_init_f() in board_init_f() and move the board
specific init code into its own board file.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
2019-07-29 10:25:27 +08:00

117 lines
2.3 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2016 Rockchip Electronics Co., Ltd
* (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
*/
#include <common.h>
#include <debug_uart.h>
#include <dm.h>
#include <ram.h>
#include <spl.h>
#include <spl_gpio.h>
#include <asm/gpio.h>
#include <asm/io.h>
#include <asm/arch-rockchip/bootrom.h>
#include <asm/arch-rockchip/cru_rk3399.h>
#include <asm/arch-rockchip/hardware.h>
#include <asm/arch-rockchip/periph.h>
#include <asm/arch-rockchip/sys_proto.h>
void board_return_to_bootrom(void)
{
back_to_bootrom(BROM_BOOT_NEXTSTAGE);
}
__weak const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {};
const char *board_spl_was_booted_from(void)
{
u32 bootdevice_brom_id = readl(BROM_BOOTSOURCE_ID_ADDR);
const char *bootdevice_ofpath = NULL;
if (bootdevice_brom_id < ARRAY_SIZE(boot_devices))
bootdevice_ofpath = boot_devices[bootdevice_brom_id];
if (bootdevice_ofpath)
debug("%s: brom_bootdevice_id %x maps to '%s'\n",
__func__, bootdevice_brom_id, bootdevice_ofpath);
else
debug("%s: failed to resolve brom_bootdevice_id %x\n",
__func__, bootdevice_brom_id);
return bootdevice_ofpath;
}
u32 spl_boot_device(void)
{
u32 boot_device = BOOT_DEVICE_MMC1;
if (CONFIG_IS_ENABLED(ROCKCHIP_BACK_TO_BROM))
return BOOT_DEVICE_BOOTROM;
return boot_device;
}
__weak void rockchip_stimer_init(void)
{
}
__weak int board_early_init_f(void)
{
return 0;
}
__weak int arch_cpu_init(void)
{
return 0;
}
void board_init_f(ulong dummy)
{
struct udevice *dev;
int ret;
#ifdef CONFIG_DEBUG_UART
debug_uart_init();
/*
* Debug UART can be used from here if required:
*
* debug_uart_init();
* printch('a');
* printhex8(0x1234);
* printascii("string");
*/
debug("U-Boot SPL board init\n");
#endif
board_early_init_f();
arch_cpu_init();
ret = spl_early_init();
if (ret) {
debug("spl_early_init() failed: %d\n", ret);
hang();
}
rockchip_stimer_init();
ret = uclass_get_device(UCLASS_RAM, 0, &dev);
if (ret) {
pr_err("DRAM init failed: %d\n", ret);
return;
}
preloader_console_init();
}
#ifdef CONFIG_SPL_LOAD_FIT
int board_fit_config_name_match(const char *name)
{
/* Just empty function now - can't decide what to choose */
debug("%s: %s\n", __func__, name);
return 0;
}
#endif