summaryrefslogtreecommitdiff
path: root/src/southbridge/intel/lynxpoint/gpio.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/southbridge/intel/lynxpoint/gpio.c')
-rw-r--r--src/southbridge/intel/lynxpoint/gpio.c20
1 files changed, 18 insertions, 2 deletions
diff --git a/src/southbridge/intel/lynxpoint/gpio.c b/src/southbridge/intel/lynxpoint/gpio.c
index 25eda9a74c..9d36887dd1 100644
--- a/src/southbridge/intel/lynxpoint/gpio.c
+++ b/src/southbridge/intel/lynxpoint/gpio.c
@@ -20,16 +20,32 @@
#include <stdint.h>
#include <string.h>
#include <arch/io.h>
+
+#ifdef __PRE_RAM__
#include <arch/romcc_io.h>
+#else
+#include <device/device.h>
+#include <device/pci.h>
+#endif
#include "pch.h"
#include "gpio.h"
#define MAX_GPIO_NUMBER 75 /* zero based */
+static u16 get_gpio_base(void)
+{
+#ifdef __PRE_RAM__
+ return pci_read_config16(PCH_LPC_DEV, GPIO_BASE) & 0xfffc;
+#else
+ return pci_read_config16(dev_find_slot(0, PCI_DEVFN(0x1f, 0)),
+ GPIO_BASE) & 0xfffc;
+#endif
+}
+
void setup_pch_gpios(const struct pch_gpio_map *gpio)
{
- u16 gpiobase = pci_read_config16(PCH_LPC_DEV, GPIO_BASE) & 0xfffc;
+ u16 gpiobase = get_gpio_base();
/* GPIO Set 1 */
if (gpio->set1.level)
@@ -69,7 +85,7 @@ void setup_pch_gpios(const struct pch_gpio_map *gpio)
int get_gpio(int gpio_num)
{
static const int gpio_reg_offsets[] = {0xc, 0x38, 0x48};
- u16 gpio_base = pci_read_config16(PCH_LPC_DEV, GPIO_BASE) & 0xfffc;
+ u16 gpio_base = get_gpio_base();
int index, bit;
if (gpio_num > MAX_GPIO_NUMBER)