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platform: generic: add extensions_init handler and platform-override

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Init of non-standard extensions is a platform-specific thing,
so allow generic platforms to do this via a platform-override.

Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Heiko Stuebner
2022-10-04 18:42:26 +02:00
committed by Anup Patel
parent 4f2acb53e2
commit 2f63f2465c
2 changed files with 13 additions and 0 deletions
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10
platform/generic/platform.c
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@@ -204,6 +204,15 @@ static void generic_final_exit(void)
generic_plat->final_exit(generic_plat_match);
}
static int generic_extensions_init(struct sbi_hart_features *hfeatures)
{
if (generic_plat && generic_plat->extensions_init)
return generic_plat->extensions_init(generic_plat_match,
hfeatures);
return 0;
}
static int generic_domains_init(void)
{
return fdt_domains_populate(fdt_get_address());
@@ -257,6 +266,7 @@ const struct sbi_platform_operations platform_ops = {
.final_init = generic_final_init,
.early_exit = generic_early_exit,
.final_exit = generic_final_exit,
.extensions_init = generic_extensions_init,
.domains_init = generic_domains_init,
.console_init = generic_console_init,
.irqchip_init = fdt_irqchip_init,