From 6957ae0e91ebd9f17411b56f3e9100d31bc48b56 Mon Sep 17 00:00:00 2001 From: Anup Patel Date: Thu, 29 Dec 2022 10:56:16 +0800 Subject: platform: generic: Allow platform_override to select cold boot HART We add a generic platform override callback to allow platform specific selection of cold boot HART. Signed-off-by: Anup Patel --- platform/generic/include/platform_override.h | 1 + platform/generic/platform.c | 9 +++++++++ 2 files changed, 10 insertions(+) (limited to 'platform') diff --git a/platform/generic/include/platform_override.h b/platform/generic/include/platform_override.h index 7f1558d..21354e9 100644 --- a/platform/generic/include/platform_override.h +++ b/platform/generic/include/platform_override.h @@ -18,6 +18,7 @@ struct platform_override { const struct fdt_match *match_table; u64 (*features)(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 (*final_init)(bool cold_boot, const struct fdt_match *match); void (*early_exit)(const struct fdt_match *match); diff --git a/platform/generic/platform.c b/platform/generic/platform.c index bfe15f0..5fb0dc6 100644 --- a/platform/generic/platform.c +++ b/platform/generic/platform.c @@ -122,6 +122,14 @@ fail: 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) { if (platform_has_mlevel_imsic) @@ -261,6 +269,7 @@ static int generic_console_init(void) } const struct sbi_platform_operations platform_ops = { + .cold_boot_allowed = generic_cold_boot_allowed, .nascent_init = generic_nascent_init, .early_init = generic_early_init, .final_init = generic_final_init, -- cgit v1.2.3