u-boot/arch/arm/mach-rockchip/spl.c
Simon Glass db41d65a97 common: Move hang() to the same header as panic()
At present panic() is in the vsprintf.h header file. That does not seem
like an obvious choice for hang(), even though it relates to panic(). So
let's put hang() in its own header.

Signed-off-by: Simon Glass <sjg@chromium.org>
[trini: Migrate a few more files]
Signed-off-by: Tom Rini <trini@konsulko.com>
2020-01-17 17:53:40 -05:00

157 lines
3.4 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2019 Rockchip Electronics Co., Ltd
*/
#include <common.h>
#include <debug_uart.h>
#include <dm.h>
#include <hang.h>
#include <ram.h>
#include <spl.h>
#include <asm/arch-rockchip/bootrom.h>
#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
int board_return_to_bootrom(struct spl_image_info *spl_image,
struct spl_boot_device *bootdev)
{
back_to_bootrom(BROM_BOOT_NEXTSTAGE);
return 0;
}
__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 defined(CONFIG_TARGET_CHROMEBOOK_JERRY) || \
defined(CONFIG_TARGET_CHROMEBIT_MICKEY) || \
defined(CONFIG_TARGET_CHROMEBOOK_MINNIE)
return BOOT_DEVICE_SPI;
#endif
if (CONFIG_IS_ENABLED(ROCKCHIP_BACK_TO_BROM))
return BOOT_DEVICE_BOOTROM;
return boot_device;
}
u32 spl_boot_mode(const u32 boot_device)
{
return MMCSD_MODE_RAW;
}
#if !defined(CONFIG_ROCKCHIP_RK3188)
#define TIMER_LOAD_COUNT_L 0x00
#define TIMER_LOAD_COUNT_H 0x04
#define TIMER_CONTROL_REG 0x10
#define TIMER_EN 0x1
#define TIMER_FMODE BIT(0)
#define TIMER_RMODE BIT(1)
__weak void rockchip_stimer_init(void)
{
/* If Timer already enabled, don't re-init it */
u32 reg = readl(CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG);
if (reg & TIMER_EN)
return;
#ifndef CONFIG_ARM64
asm volatile("mcr p15, 0, %0, c14, c0, 0"
: : "r"(COUNTER_FREQUENCY));
#endif
writel(0, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG);
writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE);
writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE + 4);
writel(TIMER_EN | TIMER_FMODE, CONFIG_ROCKCHIP_STIMER_BASE +
TIMER_CONTROL_REG);
}
#endif
__weak int board_early_init_f(void)
{
return 0;
}
__weak int arch_cpu_init(void)
{
return 0;
}
void board_init_f(ulong dummy)
{
int ret;
#if !defined(CONFIG_TPL) || defined(CONFIG_SPL_OS_BOOT)
struct udevice *dev;
#endif
#ifdef CONFIG_DEBUG_UART
/*
* Debug UART can be used from here if required:
*
* debug_uart_init();
* printch('a');
* printhex8(0x1234);
* printascii("string");
*/
debug_uart_init();
debug("\nspl:debug uart enabled in %s\n", __func__);
#endif
board_early_init_f();
ret = spl_early_init();
if (ret) {
printf("spl_early_init() failed: %d\n", ret);
hang();
}
arch_cpu_init();
#if !defined(CONFIG_ROCKCHIP_RK3188)
rockchip_stimer_init();
#endif
#ifdef CONFIG_SYS_ARCH_TIMER
/* Init ARM arch timer in arch/arm/cpu/armv7/arch_timer.c */
timer_init();
#endif
#if !defined(CONFIG_TPL) || defined(CONFIG_SPL_OS_BOOT)
debug("\nspl:init dram\n");
ret = uclass_get_device(UCLASS_RAM, 0, &dev);
if (ret) {
printf("DRAM init failed: %d\n", ret);
return;
}
#endif
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