- /****************************************************************************/
- /*
- * linux/include/asm-arm/arch-l7200/gpio.h
- *
- * Registers and helper functions for the L7200 Link-Up Systems
- * GPIO.
- *
- * (C) Copyright 2000, S A McConnell (samcconn@cotw.com)
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file COPYING in the main directory of this archive for
- * more details.
- */
- /****************************************************************************/
- #define GPIO_OFF 0x00005000 /* Offset from IO_START to the GPIO reg's. */
- /* IO_START and IO_BASE are defined in hardware.h */
- #define GPIO_START (IO_START_2 + GPIO_OFF) /* Physical addr of the GPIO reg. */
- #define GPIO_BASE (IO_BASE_2 + GPIO_OFF) /* Virtual addr of the GPIO reg. */
- /* Offsets from the start of the GPIO for all the registers. */
- #define PADR_OFF 0x000
- #define PADDR_OFF 0x004
- #define PASBSR_OFF 0x008
- #define PAEENR_OFF 0x00c
- #define PAESNR_OFF 0x010
- #define PAESTR_OFF 0x014
- #define PAIMR_OFF 0x018
- #define PAINT_OFF 0x01c
- #define PBDR_OFF 0x020
- #define PBDDR_OFF 0x024
- #define PBSBSR_OFF 0x028
- #define PBIMR_OFF 0x038
- #define PBINT_OFF 0x03c
- #define PCDR_OFF 0x040
- #define PCDDR_OFF 0x044
- #define PCSBSR_OFF 0x048
- #define PCIMR_OFF 0x058
- #define PCINT_OFF 0x05c
- #define PDDR_OFF 0x060
- #define PDDDR_OFF 0x064
- #define PDSBSR_OFF 0x068
- #define PDEENR_OFF 0x06c
- #define PDESNR_OFF 0x070
- #define PDESTR_OFF 0x074
- #define PDIMR_OFF 0x078
- #define PDINT_OFF 0x07c
- #define PEDR_OFF 0x080
- #define PEDDR_OFF 0x084
- #define PESBSR_OFF 0x088
- #define PEEENR_OFF 0x08c
- #define PEESNR_OFF 0x090
- #define PEESTR_OFF 0x094
- #define PEIMR_OFF 0x098
- #define PEINT_OFF 0x09c
- /* Define the GPIO registers for use by device drivers and the kernel. */
- #define PADR (*(volatile unsigned long *)(GPIO_BASE+PADR_OFF))
- #define PADDR (*(volatile unsigned long *)(GPIO_BASE+PADDR_OFF))
- #define PASBSR (*(volatile unsigned long *)(GPIO_BASE+PASBSR_OFF))
- #define PAEENR (*(volatile unsigned long *)(GPIO_BASE+PAEENR_OFF))
- #define PAESNR (*(volatile unsigned long *)(GPIO_BASE+PAESNR_OFF))
- #define PAESTR (*(volatile unsigned long *)(GPIO_BASE+PAESTR_OFF))
- #define PAIMR (*(volatile unsigned long *)(GPIO_BASE+PAIMR_OFF))
- #define PAINT (*(volatile unsigned long *)(GPIO_BASE+PAINT_OFF))
- #define PBDR (*(volatile unsigned long *)(GPIO_BASE+PBDR_OFF))
- #define PBDDR (*(volatile unsigned long *)(GPIO_BASE+PBDDR_OFF))
- #define PBSBSR (*(volatile unsigned long *)(GPIO_BASE+PBSBSR_OFF))
- #define PBIMR (*(volatile unsigned long *)(GPIO_BASE+PBIMR_OFF))
- #define PBINT (*(volatile unsigned long *)(GPIO_BASE+PBINT_OFF))
- #define PCDR (*(volatile unsigned long *)(GPIO_BASE+PCDR_OFF))
- #define PCDDR (*(volatile unsigned long *)(GPIO_BASE+PCDDR_OFF))
- #define PCSBSR (*(volatile unsigned long *)(GPIO_BASE+PCSBSR_OFF))
- #define PCIMR (*(volatile unsigned long *)(GPIO_BASE+PCIMR_OFF))
- #define PCINT (*(volatile unsigned long *)(GPIO_BASE+PCINT_OFF))
- #define PDDR (*(volatile unsigned long *)(GPIO_BASE+PDDR_OFF))
- #define PDDDR (*(volatile unsigned long *)(GPIO_BASE+PDDDR_OFF))
- #define PDSBSR (*(volatile unsigned long *)(GPIO_BASE+PDSBSR_OFF))
- #define PDEENR (*(volatile unsigned long *)(GPIO_BASE+PDEENR_OFF))
- #define PDESNR (*(volatile unsigned long *)(GPIO_BASE+PDESNR_OFF))
- #define PDESTR (*(volatile unsigned long *)(GPIO_BASE+PDESTR_OFF))
- #define PDIMR (*(volatile unsigned long *)(GPIO_BASE+PDIMR_OFF))
- #define PDINT (*(volatile unsigned long *)(GPIO_BASE+PDINT_OFF))
- #define PEDR (*(volatile unsigned long *)(GPIO_BASE+PEDR_OFF))
- #define PEDDR (*(volatile unsigned long *)(GPIO_BASE+PEDDR_OFF))
- #define PESBSR (*(volatile unsigned long *)(GPIO_BASE+PESBSR_OFF))
- #define PEEENR (*(volatile unsigned long *)(GPIO_BASE+PEEENR_OFF))
- #define PEESNR (*(volatile unsigned long *)(GPIO_BASE+PEESNR_OFF))
- #define PEESTR (*(volatile unsigned long *)(GPIO_BASE+PEESTR_OFF))
- #define PEIMR (*(volatile unsigned long *)(GPIO_BASE+PEIMR_OFF))
- #define PEINT (*(volatile unsigned long *)(GPIO_BASE+PEINT_OFF))
- #define VEE_EN 0x02
- #define BACKLIGHT_EN 0x04