diff options
| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2019-08-06 22:14:34 +0300 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2019-08-09 13:12:45 +0000 |
| commit | 544369ebf3223eda11279614b93b9e05f7f27170 (patch) | |
| tree | 3e08175b544d1138bc3a0c73120492eaf1a46220 | |
| parent | 6bbabef388ba9a1c59ebc865c6d43e94000c1f14 (diff) | |
amd/stoneyridge,picasso: Open TSEG earlier
Don't make assumptions about which subregion will
be accessed first.
Change-Id: I558fa4acc5068014b3748be6fc1bc34999054c0a
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34775
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
| -rw-r--r-- | src/soc/amd/picasso/ramtop.c | 7 | ||||
| -rw-r--r-- | src/soc/amd/stoneyridge/ramtop.c | 7 |
2 files changed, 12 insertions, 2 deletions
diff --git a/src/soc/amd/picasso/ramtop.c b/src/soc/amd/picasso/ramtop.c index 6b28ec7dd6..672fdd8194 100644 --- a/src/soc/amd/picasso/ramtop.c +++ b/src/soc/amd/picasso/ramtop.c @@ -111,6 +111,7 @@ static void clear_tvalid(void) int smm_subregion(int sub, uintptr_t *start, size_t *size) { + static int once; uintptr_t sub_base; size_t sub_size; const size_t cache_size = CONFIG_SMM_RESERVED_SIZE; @@ -118,6 +119,11 @@ int smm_subregion(int sub, uintptr_t *start, size_t *size) smm_region(&sub_base, &sub_size); assert(sub_size > CONFIG_SMM_RESERVED_SIZE); + if (!once) { + clear_tvalid(); + once = 1; + } + switch (sub) { case SMM_SUBREGION_HANDLER: /* Handler starts at the base of TSEG. */ @@ -127,7 +133,6 @@ int smm_subregion(int sub, uintptr_t *start, size_t *size) /* External cache is in the middle of TSEG. */ sub_base += sub_size - cache_size; sub_size = cache_size; - clear_tvalid(); break; default: *start = 0; diff --git a/src/soc/amd/stoneyridge/ramtop.c b/src/soc/amd/stoneyridge/ramtop.c index 26d84cef12..e2b0f7d6bc 100644 --- a/src/soc/amd/stoneyridge/ramtop.c +++ b/src/soc/amd/stoneyridge/ramtop.c @@ -111,6 +111,7 @@ static void clear_tvalid(void) int smm_subregion(int sub, uintptr_t *start, size_t *size) { + static int once; uintptr_t sub_base; size_t sub_size; const size_t cache_size = CONFIG_SMM_RESERVED_SIZE; @@ -118,6 +119,11 @@ int smm_subregion(int sub, uintptr_t *start, size_t *size) smm_region(&sub_base, &sub_size); assert(sub_size > CONFIG_SMM_RESERVED_SIZE); + if (!once) { + clear_tvalid(); + once = 1; + } + switch (sub) { case SMM_SUBREGION_HANDLER: /* Handler starts at the base of TSEG. */ @@ -127,7 +133,6 @@ int smm_subregion(int sub, uintptr_t *start, size_t *size) /* External cache is in the middle of TSEG. */ sub_base += sub_size - cache_size; sub_size = cache_size; - clear_tvalid(); break; default: *start = 0; |