x86: ich6-gpio: Move setup_pch_gpios() to board support codes

Movie setup_pch_gpios() in the ich6-gpio driver to the board support
codes, so that the driver does not need to know any platform specific
stuff (ie: include the platform specifc chipset header file).

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>

arch/x86/include/asm/arch-coreboot/gpio.h

@@ -7,4 +7,7 @@
 #ifndef _X86_ARCH_GPIO_H_
 #define _X86_ARCH_GPIO_H_
 
+/* Where in config space is the register that points to the GPIO registers? */
+#define PCI_CFG_GPIOBASE 0x48
+
 #endif /* _X86_ARCH_GPIO_H_ */

arch/x86/include/asm/arch-ivybridge/gpio.h

@@ -7,4 +7,7 @@
 #ifndef _X86_ARCH_GPIO_H_
 #define _X86_ARCH_GPIO_H_
 
+/* Where in config space is the register that points to the GPIO registers? */
+#define PCI_CFG_GPIOBASE 0x48
+
 #endif /* _X86_ARCH_GPIO_H_ */

arch/x86/include/asm/gpio.h

@@ -147,6 +147,7 @@ struct pch_gpio_map {
 	} set3;
 };
 
+void setup_pch_gpios(u32 gpiobase, const struct pch_gpio_map *gpio);
 void ich_gpio_set_gpio_map(const struct pch_gpio_map *map);
 
 #endif /* _X86_GPIO_H_ */

board/coreboot/coreboot/coreboot.c

@@ -6,6 +6,7 @@
 
 #include <common.h>
 #include <cros_ec.h>
+#include <asm/gpio.h>
 
 int arch_early_init_r(void)
 {
@@ -14,3 +15,8 @@ int arch_early_init_r(void)
 
 	return 0;
 }
+
+void setup_pch_gpios(u32 gpiobase, const struct pch_gpio_map *gpio)
+{
+	return;
+}

board/google/chromebook_link/link.c

@@ -7,6 +7,9 @@
 #include <common.h>
 #include <cros_ec.h>
 #include <asm/gpio.h>
+#include <asm/io.h>
+#include <asm/pci.h>
+#include <asm/arch/pch.h>
 
 int arch_early_init_r(void)
 {
@@ -121,3 +124,40 @@ int board_early_init_f(void)
 
 	return 0;
 }
+
+void setup_pch_gpios(u32 gpiobase, const struct pch_gpio_map *gpio)
+{
+	/* GPIO Set 1 */
+	if (gpio->set1.level)
+		outl(*((u32 *)gpio->set1.level), gpiobase + GP_LVL);
+	if (gpio->set1.mode)
+		outl(*((u32 *)gpio->set1.mode), gpiobase + GPIO_USE_SEL);
+	if (gpio->set1.direction)
+		outl(*((u32 *)gpio->set1.direction), gpiobase + GP_IO_SEL);
+	if (gpio->set1.reset)
+		outl(*((u32 *)gpio->set1.reset), gpiobase + GP_RST_SEL1);
+	if (gpio->set1.invert)
+		outl(*((u32 *)gpio->set1.invert), gpiobase + GPI_INV);
+	if (gpio->set1.blink)
+		outl(*((u32 *)gpio->set1.blink), gpiobase + GPO_BLINK);
+
+	/* GPIO Set 2 */
+	if (gpio->set2.level)
+		outl(*((u32 *)gpio->set2.level), gpiobase + GP_LVL2);
+	if (gpio->set2.mode)
+		outl(*((u32 *)gpio->set2.mode), gpiobase + GPIO_USE_SEL2);
+	if (gpio->set2.direction)
+		outl(*((u32 *)gpio->set2.direction), gpiobase + GP_IO_SEL2);
+	if (gpio->set2.reset)
+		outl(*((u32 *)gpio->set2.reset), gpiobase + GP_RST_SEL2);
+
+	/* GPIO Set 3 */
+	if (gpio->set3.level)
+		outl(*((u32 *)gpio->set3.level), gpiobase + GP_LVL3);
+	if (gpio->set3.mode)
+		outl(*((u32 *)gpio->set3.mode), gpiobase + GPIO_USE_SEL3);
+	if (gpio->set3.direction)
+		outl(*((u32 *)gpio->set3.direction), gpiobase + GP_IO_SEL3);
+	if (gpio->set3.reset)
+		outl(*((u32 *)gpio->set3.reset), gpiobase + GP_RST_SEL3);
+}

drivers/gpio/intel_ich6_gpio.c

@@ -34,16 +34,9 @@
 #include <asm/gpio.h>
 #include <asm/io.h>
 #include <asm/pci.h>
-#ifdef CONFIG_X86_RESET_VECTOR
-#include <asm/arch/pch.h>
-#define SUPPORT_GPIO_SETUP
-#endif
 
 #define GPIO_PER_BANK	32
 
-/* Where in config space is the register that points to the GPIO registers? */
-#define PCI_CFG_GPIOBASE 0x48
-
 struct ich6_bank_priv {
 	/* These are I/O addresses */
 	uint32_t use_sel;
@@ -51,52 +44,11 @@ struct ich6_bank_priv {
 	uint32_t lvl;
 };
 
-#ifdef SUPPORT_GPIO_SETUP
-static void setup_pch_gpios(const struct pch_gpio_map *gpio)
-{
-	u16 gpiobase = pci_read_config16(PCH_LPC_DEV, GPIO_BASE) & 0xfffc;
-
-	/* GPIO Set 1 */
-	if (gpio->set1.level)
-		outl(*((u32 *)gpio->set1.level), gpiobase + GP_LVL);
-	if (gpio->set1.mode)
-		outl(*((u32 *)gpio->set1.mode), gpiobase + GPIO_USE_SEL);
-	if (gpio->set1.direction)
-		outl(*((u32 *)gpio->set1.direction), gpiobase + GP_IO_SEL);
-	if (gpio->set1.reset)
-		outl(*((u32 *)gpio->set1.reset), gpiobase + GP_RST_SEL1);
-	if (gpio->set1.invert)
-		outl(*((u32 *)gpio->set1.invert), gpiobase + GPI_INV);
-	if (gpio->set1.blink)
-		outl(*((u32 *)gpio->set1.blink), gpiobase + GPO_BLINK);
-
-	/* GPIO Set 2 */
-	if (gpio->set2.level)
-		outl(*((u32 *)gpio->set2.level), gpiobase + GP_LVL2);
-	if (gpio->set2.mode)
-		outl(*((u32 *)gpio->set2.mode), gpiobase + GPIO_USE_SEL2);
-	if (gpio->set2.direction)
-		outl(*((u32 *)gpio->set2.direction), gpiobase + GP_IO_SEL2);
-	if (gpio->set2.reset)
-		outl(*((u32 *)gpio->set2.reset), gpiobase + GP_RST_SEL2);
-
-	/* GPIO Set 3 */
-	if (gpio->set3.level)
-		outl(*((u32 *)gpio->set3.level), gpiobase + GP_LVL3);
-	if (gpio->set3.mode)
-		outl(*((u32 *)gpio->set3.mode), gpiobase + GPIO_USE_SEL3);
-	if (gpio->set3.direction)
-		outl(*((u32 *)gpio->set3.direction), gpiobase + GP_IO_SEL3);
-	if (gpio->set3.reset)
-		outl(*((u32 *)gpio->set3.reset), gpiobase + GP_RST_SEL3);
-}
-
 /* TODO: Move this to device tree, or platform data */
 void ich_gpio_set_gpio_map(const struct pch_gpio_map *map)
 {
 	gd->arch.gpio_map = map;
 }
-#endif /* SUPPORT_GPIO_SETUP */
 
 static int gpio_ich6_ofdata_to_platdata(struct udevice *dev)
 {
@@ -198,12 +150,11 @@ static int ich6_gpio_probe(struct udevice *dev)
 	struct gpio_dev_priv *uc_priv = dev->uclass_priv;
 	struct ich6_bank_priv *bank = dev_get_priv(dev);
 
-#ifdef SUPPORT_GPIO_SETUP
 	if (gd->arch.gpio_map) {
-		setup_pch_gpios(gd->arch.gpio_map);
+		setup_pch_gpios(plat->base_addr, gd->arch.gpio_map);
 		gd->arch.gpio_map = NULL;
 	}
-#endif
+
 	uc_priv->gpio_count = GPIO_PER_BANK;
 	uc_priv->bank_name = plat->bank_name;
 	bank->use_sel = plat->base_addr;