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| author | Felix Held <felix-coreboot@felixheld.de> | 2021-01-29 22:18:25 +0100 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2021-01-31 01:09:34 +0000 |
| commit | 48368892496e333075aa02b7aa2f2d7ba10e8f60 (patch) | |
| tree | d71a9ef12ef4ce069d1e1483dd680c2d22621e06 /src/soc | |
| parent | ee04881360db7d551cfa49ca80b9b1c21a466439 (diff) | |
soc/amd/picasso/psp: fix check of MSR_PSP_ADDR contents
If MSR_PSP_ADDR is uninitialized, it's all zeros and not all ones.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Iecd3039f63f9d0cb75fe3cb37aee92ba65bbbb50
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50148
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/amd/picasso/psp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/soc/amd/picasso/psp.c b/src/soc/amd/picasso/psp.c index ddefd22bd0..6acb5888ce 100644 --- a/src/soc/amd/picasso/psp.c +++ b/src/soc/amd/picasso/psp.c @@ -14,7 +14,7 @@ void *soc_get_mbox_address(void) uintptr_t psp_mmio; psp_mmio = rdmsr(MSR_PSP_ADDR).lo; - if (psp_mmio == 0xffffffff) { + if (!psp_mmio) { printk(BIOS_WARNING, "PSP: MSR_PSP_ADDR uninitialized\n"); return 0; } |