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-rw-r--r--src/soc/amd/stoneyridge/include/soc/iomap.h1
-rw-r--r--src/soc/amd/stoneyridge/sb_util.c7
2 files changed, 4 insertions, 4 deletions
diff --git a/src/soc/amd/stoneyridge/include/soc/iomap.h b/src/soc/amd/stoneyridge/include/soc/iomap.h
index 72a1e8c6f5..ccedcce7b4 100644
--- a/src/soc/amd/stoneyridge/include/soc/iomap.h
+++ b/src/soc/amd/stoneyridge/include/soc/iomap.h
@@ -36,6 +36,7 @@
#define AMD_SB_ACPI_MMIO_ADDR 0xfed80000
#define APU_SMI_BASE 0xfed80200
#define PM_MMIO_BASE 0xfed80300
+#define BIOSRAM_MMIO_BASE 0xfed80500
#define XHCI_ACPI_PM_MMIO_BASE 0xfed81c00
#define APU_UART0_BASE 0xfedc6000
#define APU_UART1_BASE 0xfedc8000
diff --git a/src/soc/amd/stoneyridge/sb_util.c b/src/soc/amd/stoneyridge/sb_util.c
index 5238506199..a98a334fe2 100644
--- a/src/soc/amd/stoneyridge/sb_util.c
+++ b/src/soc/amd/stoneyridge/sb_util.c
@@ -78,16 +78,15 @@ void smi_write8(uint8_t offset, uint8_t value)
uint8_t biosram_read8(uint8_t offset)
{
- outb(offset, BIOSRAM_INDEX);
- return inb(BIOSRAM_DATA);
+ return read8((void *)(BIOSRAM_MMIO_BASE + offset));
}
void biosram_write8(uint8_t offset, uint8_t value)
{
- outb(offset, BIOSRAM_INDEX);
- outb(value, BIOSRAM_DATA);
+ write8((void *)(BIOSRAM_MMIO_BASE + offset), value);
}
+/* BiosRam may only be accessed a byte at a time */
uint16_t biosram_read16(uint8_t offset)
{
int i;