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platform: generic: Allow platform_override to select cold boot HART

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We add a generic platform override callback to allow platform specific
selection of cold boot HART.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
This commit is contained in:
Anup Patel
2022-12-29 10:56:16 +08:00
committed by Anup Patel
parent f14595a7cf
commit 6957ae0e91
2 changed files with 10 additions and 0 deletions
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1
platform/generic/include/platform_override.h
View File

@@ -18,6 +18,7 @@ struct platform_override {
const struct fdt_match *match_table; const struct fdt_match *match_table;
u64 (*features)(const struct fdt_match *match); u64 (*features)(const struct fdt_match *match);
u64 (*tlbr_flush_limit)(const struct fdt_match *match); u64 (*tlbr_flush_limit)(const struct fdt_match *match);
bool (*cold_boot_allowed)(u32 hartid, const struct fdt_match *match);
int (*early_init)(bool cold_boot, const struct fdt_match *match); int (*early_init)(bool cold_boot, const struct fdt_match *match);
int (*final_init)(bool cold_boot, const struct fdt_match *match); int (*final_init)(bool cold_boot, const struct fdt_match *match);
void (*early_exit)(const struct fdt_match *match); void (*early_exit)(const struct fdt_match *match);

9
platform/generic/platform.c
View File

@@ -122,6 +122,14 @@ fail:
wfi(); wfi();
} }
static bool generic_cold_boot_allowed(u32 hartid)
{
if (generic_plat && generic_plat->cold_boot_allowed)
return generic_plat->cold_boot_allowed(
hartid, generic_plat_match);
return true;
}
static int generic_nascent_init(void) static int generic_nascent_init(void)
{ {
if (platform_has_mlevel_imsic) if (platform_has_mlevel_imsic)
@@ -261,6 +269,7 @@ static int generic_console_init(void)
} }
const struct sbi_platform_operations platform_ops = { const struct sbi_platform_operations platform_ops = {
.cold_boot_allowed = generic_cold_boot_allowed,
.nascent_init = generic_nascent_init, .nascent_init = generic_nascent_init,
.early_init = generic_early_init, .early_init = generic_early_init,
.final_init = generic_final_init, .final_init = generic_final_init,