platform: generic: add extensions_init handler and
From: Heiko Stuebner <heiko@...> Date: Wed, 20 Jul 2022 11:32:51 +0200
Commit-Message
Init of non-standard extensions is a platform-specific thing, so allow generic platforms to do this via a platform-override. Signed-off-by: Heiko Stuebner <heiko@...>
Patch-Comment
platform/generic/include/platform_override.h | 2 ++ platform/generic/platform.c | 9 +++++++++ 2 files changed, 11 insertions(+)
Statistics
- 11 lines added
- 0 lines removed
Changes
----------------- platform/generic/include/platform_override.h -----------------
index e55da25..e59a62c 100644
@@ -22,6 +22,8 @@ struct platform_override {
void (*early_exit)(const struct fdt_match *match);
void (*final_exit)(const struct fdt_match *match);
int (*fdt_fixup)(void *fdt, const struct fdt_match *match);
+ int (*extensions_init)(unsigned long *extensions,
+ const struct fdt_match *match);
int (*vendor_ext_check)(long extid, const struct fdt_match *match);
int (*vendor_ext_provider)(long extid, long funcid,
const struct sbi_trap_regs *regs,
------------------------- platform/generic/platform.c --------------------------
index bf93af6..4b3dd91 100644
@@ -203,6 +203,14 @@ static void generic_final_exit(void)
generic_plat->final_exit(generic_plat_match);
}
+static int generic_extensions_init(unsigned long *extensions)
+{
+ if (generic_plat && generic_plat->extensions_init)
+ return generic_plat->extensions_init(extensions, generic_plat_match);
+
+ return 0;
+}
+
static int generic_domains_init(void)
{
return fdt_domains_populate(fdt_get_address());
@@ -248,6 +256,7 @@ 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 = fdt_serial_init,
.irqchip_init = fdt_irqchip_init,