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authorFelix Held <felix-coreboot@felixheld.de>2021-01-29 22:33:17 +0100
committerFelix Held <felix-coreboot@felixheld.de>2021-01-31 01:12:18 +0000
commit31fdefe5842b7b6f77f341b65cb7851c72fc8516 (patch)
tree8df1963ec6f6c5ba23d4e7050bce684c06d7cd32 /src/soc/amd/stoneyridge
parent48368892496e333075aa02b7aa2f2d7ba10e8f60 (diff)
soc/amd/stoneyridge/psp: fix check of MSR_PSP_ADDR contents
TEST=Checked documentation, but not verified on hardware. Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: I06399ac9cb9c90701dbcba71cbc808a0d7e6ea0d Reviewed-on: https://review.coreboot.org/c/coreboot/+/50150 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/amd/stoneyridge')
-rw-r--r--src/soc/amd/stoneyridge/psp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/soc/amd/stoneyridge/psp.c b/src/soc/amd/stoneyridge/psp.c
index a7fead73dc..69db08dfc3 100644
--- a/src/soc/amd/stoneyridge/psp.c
+++ b/src/soc/amd/stoneyridge/psp.c
@@ -45,7 +45,7 @@ void *soc_get_mbox_address(void)
* the MSR instead. */
if (pci_read_config32(SOC_PSP_DEV, PSP_BAR_ENABLES) & BAR3HIDE) {
psp_mmio = rdmsr(MSR_PSP_ADDR).lo;
- if (psp_mmio == 0xffffffff) {
+ if (!psp_mmio) {
printk(BIOS_WARNING, "PSP: BAR hidden, MSR_PSP_ADDR uninitialized\n");
return 0;
}