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platform: generic: andes: add Andes SBI call to probe Andes PMA feature

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Add a new Andes SBI call to check whether PPMA is supported by hardware
or not.

Signed-off-by: Ben Zong-You Xie <ben717@andestech.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Ben Zong-You Xie
2024-07-23 15:57:26 +08:00
committed by Anup Patel
parent 17100394f9
commit 4a72abb5f4
4 changed files with 25 additions and 2 deletions
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5
platform/generic/andes/andes_sbi.c
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@@ -5,12 +5,14 @@
*/
#include <andes/andes.h>
#include <andes/andes_sbi.h>
#include <andes/andes_pma.h>
#include <sbi/riscv_asm.h>
#include <sbi/sbi_error.h>
enum sbi_ext_andes_fid {
SBI_EXT_ANDES_FID0 = 0, /* Reserved for future use */
SBI_EXT_ANDES_IOCP_SW_WORKAROUND,
SBI_EXT_ANDES_PMA_PROBE,
};
static bool andes_cache_controllable(void)
@@ -41,6 +43,9 @@ int andes_sbi_vendor_ext_provider(long funcid,
case SBI_EXT_ANDES_IOCP_SW_WORKAROUND:
out->value = andes_apply_iocp_sw_workaround();
break;
case SBI_EXT_ANDES_PMA_PROBE:
out->value = andes_sbi_probe_pma();
break;
default:
return SBI_EINVAL;