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authorAnup Patel <anup.patel@wdc.com>2020-09-20 07:39:32 +0300
committerAnup Patel <anup@brainfault.org>2020-10-20 08:48:03 +0300
commita126886bfa4bd11a8b1595dab8246476741fc098 (patch)
treef73ae5aa7ab97c52f7a0f385e4bdbd92fcbdfb90 /lib/sbi/sbi_hart.c
parenta12d46a5e736b9eb582af9c43c876c6228bb4bda (diff)
downloadopensbi-a126886bfa4bd11a8b1595dab8246476741fc098.tar.xz
lib: sbi: Configure PMP late in coldboot and warmboot path
We factor-out PMP configuration from sbi_hart_init() as a separate sbi_hart_pmp_configure() function and do the PMP configuration very late in coldboot and warmboot path just before platform_final_init(). Eventually, this enable us to configure PMP totally based on OpenSBI domain where OpenSBI domains can be parsed from device-tree in any of the platform operations except platform_final_init(). Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Atish Patra <atish.patra@wdc.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'lib/sbi/sbi_hart.c')
-rw-r--r--lib/sbi/sbi_hart.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/sbi/sbi_hart.c b/lib/sbi/sbi_hart.c
index edf79b7..7244f1c 100644
--- a/lib/sbi/sbi_hart.c
+++ b/lib/sbi/sbi_hart.c
@@ -224,7 +224,7 @@ int sbi_hart_pmp_check_addr(struct sbi_scratch *scratch,
return SBI_OK;
}
-static int pmp_init(struct sbi_scratch *scratch, u32 hartid)
+int sbi_hart_pmp_configure(struct sbi_scratch *scratch)
{
u32 pmp_idx = 0;
unsigned long fw_start, fw_size_log2;
@@ -462,7 +462,7 @@ int sbi_hart_init(struct sbi_scratch *scratch, u32 hartid, bool cold_boot)
if (rc)
return rc;
- return pmp_init(scratch, hartid);
+ return 0;
}
void __attribute__((noreturn)) sbi_hart_hang(void)