x86: gpio: Add GPIO driver for Intel ICH6 and later.

Implement <asm-generic/gpio.h> functions for Intel ICH6 and later.
Only GPIOs 0-31 are handled by this code.

Signed-off-by: Bill Richardson <wfrichar@chromium.org>

Signed-off-by: Simon Glass <sjg@chromium.org>

1 files changed, 123 insertions, 0 deletions

diff --git a/include/pci.h b/include/pci.h
index eba122f..15f583f 100644
--- a/include/pci.h
+++ b/include/pci.h
@@ -67,7 +67,130 @@
 #define PCI_CLASS_PROG		0x09	/* Reg. Level Programming Interface */
 #define PCI_CLASS_DEVICE	0x0a	/* Device class */
 #define PCI_CLASS_CODE		0x0b	/* Device class code */
+#define  PCI_CLASS_CODE_TOO_OLD	0x00
+#define  PCI_CLASS_CODE_STORAGE 0x01
+#define  PCI_CLASS_CODE_NETWORK 0x02
+#define  PCI_CLASS_CODE_DISPLAY	0x03
+#define  PCI_CLASS_CODE_MULTIMEDIA 0x04
+#define  PCI_CLASS_CODE_MEMORY	0x05
+#define  PCI_CLASS_CODE_BRIDGE	0x06
+#define  PCI_CLASS_CODE_COMM	0x07
+#define  PCI_CLASS_CODE_PERIPHERAL 0x08
+#define  PCI_CLASS_CODE_INPUT	0x09
+#define  PCI_CLASS_CODE_DOCKING	0x0A
+#define  PCI_CLASS_CODE_PROCESSOR 0x0B
+#define  PCI_CLASS_CODE_SERIAL	0x0C
+#define  PCI_CLASS_CODE_WIRELESS 0x0D
+#define  PCI_CLASS_CODE_I2O	0x0E
+#define  PCI_CLASS_CODE_SATELLITE 0x0F
+#define  PCI_CLASS_CODE_CRYPTO	0x10
+#define  PCI_CLASS_CODE_DATA	0x11
+/* Base Class 0x12 - 0xFE is reserved */
+#define  PCI_CLASS_CODE_OTHER	0xFF
+
 #define PCI_CLASS_SUB_CODE	0x0a	/* Device sub-class code */
+#define  PCI_CLASS_SUB_CODE_TOO_OLD_NOTVGA	0x00
+#define  PCI_CLASS_SUB_CODE_TOO_OLD_VGA		0x01
+#define  PCI_CLASS_SUB_CODE_STORAGE_SCSI	0x00
+#define  PCI_CLASS_SUB_CODE_STORAGE_IDE		0x01
+#define  PCI_CLASS_SUB_CODE_STORAGE_FLOPPY	0x02
+#define  PCI_CLASS_SUB_CODE_STORAGE_IPIBUS	0x03
+#define  PCI_CLASS_SUB_CODE_STORAGE_RAID	0x04
+#define  PCI_CLASS_SUB_CODE_STORAGE_ATA		0x05
+#define  PCI_CLASS_SUB_CODE_STORAGE_SATA	0x06
+#define  PCI_CLASS_SUB_CODE_STORAGE_SAS		0x07
+#define  PCI_CLASS_SUB_CODE_STORAGE_OTHER	0x80
+#define  PCI_CLASS_SUB_CODE_NETWORK_ETHERNET	0x00
+#define  PCI_CLASS_SUB_CODE_NETWORK_TOKENRING	0x01
+#define  PCI_CLASS_SUB_CODE_NETWORK_FDDI	0x02
+#define  PCI_CLASS_SUB_CODE_NETWORK_ATM		0x03
+#define  PCI_CLASS_SUB_CODE_NETWORK_ISDN	0x04
+#define  PCI_CLASS_SUB_CODE_NETWORK_WORLDFIP	0x05
+#define  PCI_CLASS_SUB_CODE_NETWORK_PICMG	0x06
+#define  PCI_CLASS_SUB_CODE_NETWORK_OTHER	0x80
+#define  PCI_CLASS_SUB_CODE_DISPLAY_VGA		0x00
+#define  PCI_CLASS_SUB_CODE_DISPLAY_XGA		0x01
+#define  PCI_CLASS_SUB_CODE_DISPLAY_3D		0x02
+#define  PCI_CLASS_SUB_CODE_DISPLAY_OTHER	0x80
+#define  PCI_CLASS_SUB_CODE_MULTIMEDIA_VIDEO	0x00
+#define  PCI_CLASS_SUB_CODE_MULTIMEDIA_AUDIO	0x01
+#define  PCI_CLASS_SUB_CODE_MULTIMEDIA_PHONE	0x02
+#define  PCI_CLASS_SUB_CODE_MULTIMEDIA_OTHER	0x80
+#define  PCI_CLASS_SUB_CODE_MEMORY_RAM		0x00
+#define  PCI_CLASS_SUB_CODE_MEMORY_FLASH	0x01
+#define  PCI_CLASS_SUB_CODE_MEMORY_OTHER	0x80
+#define  PCI_CLASS_SUB_CODE_BRIDGE_HOST		0x00
+#define  PCI_CLASS_SUB_CODE_BRIDGE_ISA		0x01
+#define  PCI_CLASS_SUB_CODE_BRIDGE_EISA		0x02
+#define  PCI_CLASS_SUB_CODE_BRIDGE_MCA		0x03
+#define  PCI_CLASS_SUB_CODE_BRIDGE_PCI		0x04
+#define  PCI_CLASS_SUB_CODE_BRIDGE_PCMCIA	0x05
+#define  PCI_CLASS_SUB_CODE_BRIDGE_NUBUS	0x06
+#define  PCI_CLASS_SUB_CODE_BRIDGE_CARDBUS	0x07
+#define  PCI_CLASS_SUB_CODE_BRIDGE_RACEWAY	0x08
+#define  PCI_CLASS_SUB_CODE_BRIDGE_SEMI_PCI	0x09
+#define  PCI_CLASS_SUB_CODE_BRIDGE_INFINIBAND	0x0A
+#define  PCI_CLASS_SUB_CODE_BRIDGE_OTHER	0x80
+#define  PCI_CLASS_SUB_CODE_COMM_SERIAL		0x00
+#define  PCI_CLASS_SUB_CODE_COMM_PARALLEL	0x01
+#define  PCI_CLASS_SUB_CODE_COMM_MULTIPORT	0x02
+#define  PCI_CLASS_SUB_CODE_COMM_MODEM		0x03
+#define  PCI_CLASS_SUB_CODE_COMM_GPIB		0x04
+#define  PCI_CLASS_SUB_CODE_COMM_SMARTCARD	0x05
+#define  PCI_CLASS_SUB_CODE_COMM_OTHER		0x80
+#define  PCI_CLASS_SUB_CODE_PERIPHERAL_PIC	0x00
+#define  PCI_CLASS_SUB_CODE_PERIPHERAL_DMA	0x01
+#define  PCI_CLASS_SUB_CODE_PERIPHERAL_TIMER	0x02
+#define  PCI_CLASS_SUB_CODE_PERIPHERAL_RTC	0x03
+#define  PCI_CLASS_SUB_CODE_PERIPHERAL_HOTPLUG	0x04
+#define  PCI_CLASS_SUB_CODE_PERIPHERAL_SD	0x05
+#define  PCI_CLASS_SUB_CODE_PERIPHERAL_OTHER	0x80
+#define  PCI_CLASS_SUB_CODE_INPUT_KEYBOARD	0x00
+#define  PCI_CLASS_SUB_CODE_INPUT_DIGITIZER	0x01
+#define  PCI_CLASS_SUB_CODE_INPUT_MOUSE		0x02
+#define  PCI_CLASS_SUB_CODE_INPUT_SCANNER	0x03
+#define  PCI_CLASS_SUB_CODE_INPUT_GAMEPORT	0x04
+#define  PCI_CLASS_SUB_CODE_INPUT_OTHER		0x80
+#define  PCI_CLASS_SUB_CODE_DOCKING_GENERIC	0x00
+#define  PCI_CLASS_SUB_CODE_DOCKING_OTHER	0x80
+#define  PCI_CLASS_SUB_CODE_PROCESSOR_386	0x00
+#define  PCI_CLASS_SUB_CODE_PROCESSOR_486	0x01
+#define  PCI_CLASS_SUB_CODE_PROCESSOR_PENTIUM	0x02
+#define  PCI_CLASS_SUB_CODE_PROCESSOR_ALPHA	0x10
+#define  PCI_CLASS_SUB_CODE_PROCESSOR_POWERPC	0x20
+#define  PCI_CLASS_SUB_CODE_PROCESSOR_MIPS	0x30
+#define  PCI_CLASS_SUB_CODE_PROCESSOR_COPROC	0x40
+#define  PCI_CLASS_SUB_CODE_SERIAL_1394		0x00
+#define  PCI_CLASS_SUB_CODE_SERIAL_ACCESSBUS	0x01
+#define  PCI_CLASS_SUB_CODE_SERIAL_SSA		0x02
+#define  PCI_CLASS_SUB_CODE_SERIAL_USB		0x03
+#define  PCI_CLASS_SUB_CODE_SERIAL_FIBRECHAN	0x04
+#define  PCI_CLASS_SUB_CODE_SERIAL_SMBUS	0x05
+#define  PCI_CLASS_SUB_CODE_SERIAL_INFINIBAND	0x06
+#define  PCI_CLASS_SUB_CODE_SERIAL_IPMI		0x07
+#define  PCI_CLASS_SUB_CODE_SERIAL_SERCOS	0x08
+#define  PCI_CLASS_SUB_CODE_SERIAL_CANBUS	0x09
+#define  PCI_CLASS_SUB_CODE_WIRELESS_IRDA	0x00
+#define  PCI_CLASS_SUB_CODE_WIRELESS_IR		0x01
+#define  PCI_CLASS_SUB_CODE_WIRELESS_RF		0x10
+#define  PCI_CLASS_SUB_CODE_WIRELESS_BLUETOOTH	0x11
+#define  PCI_CLASS_SUB_CODE_WIRELESS_BROADBAND	0x12
+#define  PCI_CLASS_SUB_CODE_WIRELESS_80211A	0x20
+#define  PCI_CLASS_SUB_CODE_WIRELESS_80211B	0x21
+#define  PCI_CLASS_SUB_CODE_WIRELESS_OTHER	0x80
+#define  PCI_CLASS_SUB_CODE_I2O_V1_0		0x00
+#define  PCI_CLASS_SUB_CODE_SATELLITE_TV	0x01
+#define  PCI_CLASS_SUB_CODE_SATELLITE_AUDIO	0x02
+#define  PCI_CLASS_SUB_CODE_SATELLITE_VOICE	0x03
+#define  PCI_CLASS_SUB_CODE_SATELLITE_DATA	0x04
+#define  PCI_CLASS_SUB_CODE_CRYPTO_NETWORK	0x00
+#define  PCI_CLASS_SUB_CODE_CRYPTO_ENTERTAINMENT 0x10
+#define  PCI_CLASS_SUB_CODE_CRYPTO_OTHER	0x80
+#define  PCI_CLASS_SUB_CODE_DATA_DPIO		0x00
+#define  PCI_CLASS_SUB_CODE_DATA_PERFCNTR	0x01
+#define  PCI_CLASS_SUB_CODE_DATA_COMMSYNC	0x10
+#define  PCI_CLASS_SUB_CODE_DATA_MGMT		0x20
+#define  PCI_CLASS_SUB_CODE_DATA_OTHER		0x80
 
 #define PCI_CACHE_LINE_SIZE	0x0c	/* 8 bits */
 #define PCI_LATENCY_TIMER	0x0d	/* 8 bits */