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path: root/drivers/i2c/busses/i2c-piix4.c
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Diffstat (limited to 'drivers/i2c/busses/i2c-piix4.c')
-rw-r--r--drivers/i2c/busses/i2c-piix4.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c
index dd75916157f0..59ecaa990bce 100644
--- a/drivers/i2c/busses/i2c-piix4.c
+++ b/drivers/i2c/busses/i2c-piix4.c
@@ -34,6 +34,7 @@
#include <linux/dmi.h>
#include <linux/acpi.h>
#include <linux/io.h>
+#include <asm/amd/fch.h>
#include "i2c-piix4.h"
@@ -80,12 +81,11 @@
#define SB800_PIIX4_PORT_IDX_MASK 0x06
#define SB800_PIIX4_PORT_IDX_SHIFT 1
-/* On kerncz and Hudson2, SmBus0Sel is at bit 20:19 of PMx00 DecodeEn */
-#define SB800_PIIX4_PORT_IDX_KERNCZ 0x02
-#define SB800_PIIX4_PORT_IDX_MASK_KERNCZ 0x18
+/* SmBus0Sel is at bit 20:19 of PMx00 DecodeEn */
+#define SB800_PIIX4_PORT_IDX_KERNCZ (FCH_PM_DECODEEN + 0x02)
+#define SB800_PIIX4_PORT_IDX_MASK_KERNCZ (FCH_PM_DECODEEN_SMBUS0SEL >> 16)
#define SB800_PIIX4_PORT_IDX_SHIFT_KERNCZ 3
-#define SB800_PIIX4_FCH_PM_ADDR 0xFED80300
#define SB800_PIIX4_FCH_PM_SIZE 8
#define SB800_ASF_ACPI_PATH "\\_SB.ASFC"
@@ -162,19 +162,19 @@ int piix4_sb800_region_request(struct device *dev, struct sb800_mmio_cfg *mmio_c
if (mmio_cfg->use_mmio) {
void __iomem *addr;
- if (!request_mem_region_muxed(SB800_PIIX4_FCH_PM_ADDR,
+ if (!request_mem_region_muxed(FCH_PM_BASE,
SB800_PIIX4_FCH_PM_SIZE,
"sb800_piix4_smb")) {
dev_err(dev,
"SMBus base address memory region 0x%x already in use.\n",
- SB800_PIIX4_FCH_PM_ADDR);
+ FCH_PM_BASE);
return -EBUSY;
}
- addr = ioremap(SB800_PIIX4_FCH_PM_ADDR,
+ addr = ioremap(FCH_PM_BASE,
SB800_PIIX4_FCH_PM_SIZE);
if (!addr) {
- release_mem_region(SB800_PIIX4_FCH_PM_ADDR,
+ release_mem_region(FCH_PM_BASE,
SB800_PIIX4_FCH_PM_SIZE);
dev_err(dev, "SMBus base address mapping failed.\n");
return -ENOMEM;
@@ -201,7 +201,7 @@ void piix4_sb800_region_release(struct device *dev, struct sb800_mmio_cfg *mmio_
{
if (mmio_cfg->use_mmio) {
iounmap(mmio_cfg->addr);
- release_mem_region(SB800_PIIX4_FCH_PM_ADDR,
+ release_mem_region(FCH_PM_BASE,
SB800_PIIX4_FCH_PM_SIZE);
return;
}