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-rw-r--r--include/asm-arm/arch-l7200/gpio.h105
1 files changed, 105 insertions, 0 deletions
diff --git a/include/asm-arm/arch-l7200/gpio.h b/include/asm-arm/arch-l7200/gpio.h
new file mode 100644
index 0000000..0b63e42
--- /dev/null
+++ b/include/asm-arm/arch-l7200/gpio.h
@@ -0,0 +1,105 @@
+/****************************************************************************/
+/*
+ * 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
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