diff options
Diffstat (limited to 'src/soc/amd/common/block/psp/psp_gen2.c')
| -rw-r--r-- | src/soc/amd/common/block/psp/psp_gen2.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/src/soc/amd/common/block/psp/psp_gen2.c b/src/soc/amd/common/block/psp/psp_gen2.c index ef71d5b42a..0972131fb3 100644 --- a/src/soc/amd/common/block/psp/psp_gen2.c +++ b/src/soc/amd/common/block/psp/psp_gen2.c @@ -10,16 +10,19 @@ #define PSP_MAILBOX_OFFSET 0x10570 -void *soc_get_mbox_address(void) +static uintptr_t soc_get_psp_base_address(void) { - uintptr_t psp_mmio; - - psp_mmio = rdmsr(MSR_PSP_ADDR).lo; - if (!psp_mmio) { + uintptr_t psp_mmio = rdmsr(MSR_PSP_ADDR).lo; + if (!psp_mmio) printk(BIOS_WARNING, "PSP: MSR_PSP_ADDR uninitialized\n"); - return 0; - } + return psp_mmio; +} +void *soc_get_mbox_address(void) +{ + uintptr_t psp_mmio = soc_get_psp_base_address(); + if (!psp_mmio) + return 0; return (void *)(psp_mmio + PSP_MAILBOX_OFFSET); } |