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arm: imx8ulp: Update the reset vector in u-boot

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Because we have set reset vector to ATF in SPL, have to set it back
to ROM for any reset in u-boot

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Ye Li 2021-08-07 16:00:50 +08:00 • committed by Stefano Babic
parent 3a01f723ab
commit aadd6ca158
1 changed files with 22 additions and 13 deletions
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35
arch/arm/mach-imx/imx8ulp/soc.c
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@ -321,21 +321,10 @@ void get_board_serial(struct tag_serialnr *serialnr)
}
#endif
int arch_cpu_init(void)
static void set_core0_reset_vector(u32 entry)
{
if (IS_ENABLED(CONFIG_SPL_BUILD))
clock_init();
return 0;
}
#if defined(CONFIG_SPL_BUILD)
__weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
{
debug("image entry point: 0x%lx\n", spl_image->entry_point);
/* Update SIM1 DGO8 for reset vector base */
writel((u32)spl_image->entry_point, SIM1_BASE_ADDR + 0x5c);
writel(entry, SIM1_BASE_ADDR + 0x5c);
/* set update bit */
setbits_le32(SIM1_BASE_ADDR + 0x8, 0x1 << 24);
@ -349,6 +338,26 @@ __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
/* clear the ack by set 1 */
setbits_le32(SIM1_BASE_ADDR + 0x8, (0x1 << 26));
}
int arch_cpu_init(void)
{
if (IS_ENABLED(CONFIG_SPL_BUILD)) {
clock_init();
} else {
/* reconfigure core0 reset vector to ROM */
set_core0_reset_vector(0x1000);
}
return 0;
}
#if defined(CONFIG_SPL_BUILD)
__weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
{
debug("image entry point: 0x%lx\n", spl_image->entry_point);
set_core0_reset_vector((u32)spl_image->entry_point);
/* Enable the 512KB cache */
setbits_le32(SIM1_BASE_ADDR + 0x30, (0x1 << 4));