glados: Abstract board GPIO configuration in gpio.h

Move all the various places that look at board specific GPIOs into
the mainboard gpio.h so it can be easily ported to new boards.

BUG=chrome-os-partner:40635
BRANCH=none
TEST=build and boot on glados p2

Original-Change-Id: I3f1754012158dd5c7d5bbd6e07e40850f21af56d
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/293942
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>

Change-Id: I93c4dc1795c1107a3d96e686f03df3199f30de8a
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/11282
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

src/mainboard/google/glados/acpi/chromeos.asl

@@ -17,11 +17,11 @@
  * Foundation, Inc.
  */
 
-#include <soc/gpio.h>
+#include <mainboard/google/glados/gpio.h>
 
 Name (OIPG, Package () {
 	/* No physical recovery GPIO. */
 	Package () { 0x0001, 0, 0xFFFFFFFF, "INT344B:00" },
 	/* Firmware write protect GPIO. */
-	Package () { 0x0003, 1, GPP_C23, "INT344B:00" },
+	Package () { 0x0003, 1, GPIO_PCH_WP, "INT344B:00" },
 })

src/mainboard/google/glados/acpi/ec.asl

@@ -19,6 +19,7 @@
 
 /* mainboard configuration */
 #include <mainboard/google/glados/ec.h>
+#include <mainboard/google/glados/gpio.h>
 
 /* Enable EC backed PD MCU device in ACPI */
 #define EC_ENABLE_PD_MCU_DEVICE

src/mainboard/google/glados/acpi/mainboard.asl

@@ -17,15 +17,16 @@
  * Foundation, Inc.
  */
 
-#include <soc/gpio.h>
+#include <mainboard/google/glados/gpio.h>
 
 #define BOARD_TOUCHPAD_I2C_ADDR			0x15
-#define BOARD_TOUCHPAD_IRQ			GPP_B3_IRQ
+#define BOARD_TOUCHPAD_IRQ			TOUCHPAD_INT_L
 
 #define BOARD_TOUCHSCREEN_I2C_ADDR		0x10
-#define BOARD_TOUCHSCREEN_IRQ			GPP_E7_IRQ
+#define BOARD_TOUCHSCREEN_IRQ			TOUCHSCREEN_INT_L
 
 #define BOARD_HP_MIC_CODEC_I2C_ADDR		0x1a
+#define BOARD_HP_MIC_CODEC_IRQ			MIC_INT_L
 #define BOARD_LEFT_SPEAKER_AMP_I2C_ADDR		0x34
 #define BOARD_RIGHT_SPEAKER_AMP_I2C_ADDR	0x35
 
@@ -33,19 +34,18 @@ Scope (\_SB)
 {
 	Device (LID0)
 	{
-		Name (_HID, EisaId("PNP0C0D"))
+		Name (_HID, EisaId ("PNP0C0D"))
 		Method (_LID, 0)
 		{
 			Return (\_SB.PCI0.LPCB.EC0.LIDS)
 		}
 
-		/* EC wake is LAN_WAKE# which is a special DeepSX wake pin */
+		Name (_PRW, Package () { GPE_EC_WAKE, 5 })
-		Name (_PRW, Package(){ GPE0_LAN_WAK, 5 })
 	}
 
 	Device (PWRB)
 	{
-		Name(_HID, EisaId("PNP0C0C"))
+		Name (_HID, EisaId ("PNP0C0C"))
 	}
 
 	/* Keyboard Backlight interface via EC */
@@ -157,6 +157,10 @@ Scope (\_SB.PCI0.I2C4)
 				AddressingMode7Bit,
 				"\\_SB.PCI0.I2C4",
 			)
+			Interrupt (ResourceConsumer, Edge, ActiveLow)
+			{
+				BOARD_HP_MIC_CODEC_IRQ
+			}
 		})
 
 		Method (_STA)

src/mainboard/google/glados/chromeos.c

@@ -28,6 +28,7 @@
 #include <string.h>
 #include <ec/google/chromeec/ec.h>
 #include <vendorcode/google/chromeos/chromeos.h>
+#include <mainboard/google/glados/gpio.h>
 
 #include "ec.h"
 
@@ -90,5 +91,5 @@ int clear_recovery_mode_switch(void)
 int get_write_protect_state(void)
 {
 	/* Read PCH_WP GPIO. */
-	return gpio_get(GPP_C23);
+	return gpio_get(GPIO_PCH_WP);
 }

src/mainboard/google/glados/ec.h

@@ -22,12 +22,6 @@
 #define MAINBOARD_EC_H
 
 #include <ec/google/chromeec/ec_commands.h>
-#include <soc/gpio.h>
-#include <soc/gpe.h>
-
-/* GPP_E16 is EC_SCI_L. GPP_E group is routed to dword 2 in the GPE0 block. */
-#define EC_SCI_GPI	GPE0_DW2_16
-#define EC_SMI_GPI	GPP_E15
 
 #define MAINBOARD_EC_SCI_EVENTS \
 	(EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_CLOSED)        |\

src/mainboard/google/glados/gpio.h

@@ -20,8 +20,31 @@
 #ifndef MAINBOARD_GPIO_H
 #define MAINBOARD_GPIO_H
 
+#include <soc/gpe.h>
 #include <soc/gpio.h>
 
+/* BIOS Flash Write Protect */
+#define GPIO_PCH_WP		GPP_C23
+
+/* Memory configuration board straps */
+#define GPIO_MEM_CONFIG_0	GPP_C12
+#define GPIO_MEM_CONFIG_1	GPP_C13
+#define GPIO_MEM_CONFIG_2	GPP_C14
+#define GPIO_MEM_CONFIG_3	GPP_C15
+
+/* EC wake is LAN_WAKE# which is a special DeepSX wake pin */
+#define GPE_EC_WAKE		GPE0_LAN_WAK
+
+/* Input device interrupt configuration */
+#define TOUCHPAD_INT_L		GPP_B3_IRQ
+#define TOUCHSCREEN_INT_L	GPP_E7_IRQ
+#define MIC_INT_L		GPP_F10_IRQ
+
+/* GPP_E16 is EC_SCI_L. GPP_E group is routed to dword 2 in the GPE0 block. */
+#define EC_SCI_GPI		GPE0_DW2_16
+#define EC_SMI_GPI		GPP_E15
+
+#ifndef __ACPI__
 static const struct pad_config gpio_table[] = {
 /* RCIN# */		PAD_CFG_NF(GPP_A0, NONE, DEEP, NF1),
 /* LAD0 */		PAD_CFG_NF(GPP_A1, NONE, DEEP, NF1),
@@ -193,5 +216,6 @@ static const struct pad_config gpio_table[] = {
 /* SLP_S5# */		PAD_CFG_NF(GPD10, NONE, DEEP, NF1),
 /* LANPHYC */		/* GPD11 */
 };
+#endif
 
 #endif

src/mainboard/google/glados/smihandler.c

@@ -28,6 +28,7 @@
 #include <soc/pm.h>
 #include <soc/smm.h>
 #include "ec.h"
+#include "gpio.h"
 
 int mainboard_io_trap_handler(int smif)
 {

src/mainboard/google/glados/spd/spd.c

@@ -25,6 +25,7 @@
 #include <string.h>
 #include <soc/pei_data.h>
 #include <soc/romstage.h>
+#include <mainboard/google/glados/gpio.h>
 #include "spd.h"
 
 static void mainboard_print_spd_info(uint8_t spd[])
@@ -86,10 +87,10 @@ void mainboard_fill_spd_data(struct pei_data *pei_data)
 	int spd_index;
 
 	gpio_t spd_gpios[] = {
-		GPP_C12,	/* PCH_MEM_CONFIG[0] */
+		GPIO_MEM_CONFIG_0,
-		GPP_C13,	/* PCH_MEM_CONFIG[1] */
+		GPIO_MEM_CONFIG_1,
-		GPP_C14,	/* PCH_MEM_CONFIG[2] */
+		GPIO_MEM_CONFIG_2,
-		GPP_C15,	/* PCH_MEM_CONFIG[3] */
+		GPIO_MEM_CONFIG_3,
 	};
 
 	spd_index = gpio_base2_value(spd_gpios, ARRAY_SIZE(spd_gpios));