Files
openloongarch-uboot-2022.04/arch/loongarch/lib/spl.c
T
maoxiaochuan a8e33e1ce5 Update to 2c60245b2bb
1.drivers/mmc:ls_mmc:Enhance compatibiltiy
2.mmc:support HS200
3.support boot abi2.0 kernel(linux 6.9 have be tested)
4.update set_env.sh
5.some bugs fix
2024-09-30 16:52:12 +08:00

100 lines
1.6 KiB
C

#include <common.h>
#include <asm/global_data.h>
#include <spl.h>
#include <init.h>
#include <hang.h>
#include <mapmem.h>
DECLARE_GLOBAL_DATA_PTR;
extern void ddr_init(void);
extern ulong spl_relocate_stack_gd(void);
__weak void spl_mach_init(void)
{
arch_cpu_init();
}
__weak void spl_mach_init_late(void)
{
}
__weak void spl_board_init_late(void)
{
}
u32 spl_boot_device(void)
{
#if defined(CONFIG_SPL_SPI)
return BOOT_DEVICE_SPI;
#elif defined(CONFIG_SPL_MMC)
return BOOT_DEVICE_MMC1;
#elif defined(CONFIG_SPL_NAND_SUPPORT)
return BOOT_DEVICE_NAND;
#else
return BOOT_DEVICE_NONE;
#endif
}
__weak int spl_sdram_init(void)
{
return dram_init();
}
#if defined(CONFIG_SPL_MULTI_DTB_FIT)
__weak int spl_dtb_select(void)
{
printf("Note: Please implement %s for special machine/board!\n", __func__);
return 0;
}
#endif
void __noreturn board_init_f(ulong dummy)
{
int ret;
ulong new_sp;
#ifdef DBG_ASM
printf("Enter board_init_f...\r\n");
#endif
spl_mach_init();
ret = spl_early_init();
if (ret) {
debug("spl_early_init() failed: %d\n", ret);
#ifdef DBG_ASM
printf("spl_early_init() failed.\r\n");
#endif
hang();
}
preloader_console_init();
#if defined(CONFIG_SPL_MULTI_DTB_FIT)
if (spl_dtb_select()) {
printf("switch dtb failed\n");
hang();
}
#endif
spl_board_init_late();
debug("spl sdram init ...\n");
if (spl_sdram_init()) {
printf("spl sdram init failed\n");
hang();
}
// change the sp, gd and malloc to sdram space
new_sp = spl_relocate_stack_gd();
if (new_sp > 0) {
// set new sp addr.
asm volatile (
"ori $sp, %0, 0\n"
: /* no outputs */
: "r"(new_sp));
}
spl_mach_init_late();
board_init_r(NULL, 0);
}