[ARM] pxa: move GPIO register definitions into <mach/gpio.h>

This makes gpio.c fully independent of pxa-regs.h (except for the
virtual address of the registers).

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.miao@marvell.com>

1 files changed, 71 insertions, 3 deletions

diff --git a/arch/arm/mach-pxa/include/mach/gpio.h b/arch/arm/mach-pxa/include/mach/gpio.h
index c7ac3d62d34d..be4900ea32da 100644
--- a/arch/arm/mach-pxa/include/mach/gpio.h
+++ b/arch/arm/mach-pxa/include/mach/gpio.h
@@ -24,12 +24,80 @@
 #ifndef __ASM_ARCH_PXA_GPIO_H
 #define __ASM_ARCH_PXA_GPIO_H
 
-#include <mach/pxa-regs.h>
-#include <asm/irq.h>
+#include <mach/irqs.h>
 #include <mach/hardware.h>
-
 #include <asm-generic/gpio.h>
 
+#define GPIO_REGS_VIRT  io_p2v(0x40E00000)
+
+#define BANK_OFF(n)     (((n) > 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
+#define GPIO_REG(x)     (*(volatile u32 *)(GPIO_REGS_VIRT + (x)))
+
+/* GPIO Pin Level Registers */
+#define GPLR0           GPIO_REG(BANK_OFF(0) + 0x00)
+#define GPLR1           GPIO_REG(BANK_OFF(1) + 0x00)
+#define GPLR2           GPIO_REG(BANK_OFF(2) + 0x00)
+#define GPLR3           GPIO_REG(BANK_OFF(3) + 0x00)
+
+/* GPIO Pin Direction Registers */
+#define GPDR0           GPIO_REG(BANK_OFF(0) + 0x0c)
+#define GPDR1           GPIO_REG(BANK_OFF(1) + 0x0c)
+#define GPDR2           GPIO_REG(BANK_OFF(2) + 0x0c)
+#define GPDR3           GPIO_REG(BANK_OFF(3) + 0x0c)
+
+/* GPIO Pin Output Set Registers */
+#define GPSR0           GPIO_REG(BANK_OFF(0) + 0x18)
+#define GPSR1           GPIO_REG(BANK_OFF(1) + 0x18)
+#define GPSR2           GPIO_REG(BANK_OFF(2) + 0x18)
+#define GPSR3           GPIO_REG(BANK_OFF(3) + 0x18)
+
+/* GPIO Pin Output Clear Registers */
+#define GPCR0           GPIO_REG(BANK_OFF(0) + 0x24)
+#define GPCR1           GPIO_REG(BANK_OFF(1) + 0x24)
+#define GPCR2           GPIO_REG(BANK_OFF(2) + 0x24)
+#define GPCR3           GPIO_REG(BANK_OFF(3) + 0x24)
+
+/* GPIO Rising Edge Detect Registers */
+#define GRER0           GPIO_REG(BANK_OFF(0) + 0x30)
+#define GRER1           GPIO_REG(BANK_OFF(1) + 0x30)
+#define GRER2           GPIO_REG(BANK_OFF(2) + 0x30)
+#define GRER3           GPIO_REG(BANK_OFF(3) + 0x30)
+
+/* GPIO Falling Edge Detect Registers */
+#define GFER0           GPIO_REG(BANK_OFF(0) + 0x3c)
+#define GFER1           GPIO_REG(BANK_OFF(1) + 0x3c)
+#define GFER2           GPIO_REG(BANK_OFF(2) + 0x3c)
+#define GFER3           GPIO_REG(BANK_OFF(3) + 0x3c)
+
+/* GPIO Edge Detect Status Registers */
+#define GEDR0           GPIO_REG(BANK_OFF(0) + 0x48)
+#define GEDR1           GPIO_REG(BANK_OFF(1) + 0x48)
+#define GEDR2           GPIO_REG(BANK_OFF(2) + 0x48)
+#define GEDR3           GPIO_REG(BANK_OFF(3) + 0x48)
+
+/* GPIO Alternate Function Select Registers */
+#define GAFR0_L         GPIO_REG(0x0054)
+#define GAFR0_U         GPIO_REG(0x0058)
+#define GAFR1_L         GPIO_REG(0x005C)
+#define GAFR1_U         GPIO_REG(0x0060)
+#define GAFR2_L         GPIO_REG(0x0064)
+#define GAFR2_U         GPIO_REG(0x0068)
+#define GAFR3_L         GPIO_REG(0x006C)
+#define GAFR3_U         GPIO_REG(0x0070)
+
+/* More handy macros.  The argument is a literal GPIO number. */
+
+#define GPIO_bit(x)     (1 << ((x) & 0x1f))
+
+#define GPLR(x)         GPIO_REG(BANK_OFF((x) >> 5) + 0x00)
+#define GPDR(x)         GPIO_REG(BANK_OFF((x) >> 5) + 0x0c)
+#define GPSR(x)         GPIO_REG(BANK_OFF((x) >> 5) + 0x18)
+#define GPCR(x)         GPIO_REG(BANK_OFF((x) >> 5) + 0x24)
+#define GRER(x)         GPIO_REG(BANK_OFF((x) >> 5) + 0x30)
+#define GFER(x)         GPIO_REG(BANK_OFF((x) >> 5) + 0x3c)
+#define GEDR(x)         GPIO_REG(BANK_OFF((x) >> 5) + 0x48)
+#define GAFR(x)         GPIO_REG(0x54 + (((x) & 0x70) >> 2))
+
 
 /* NOTE: some PXAs have fewer on-chip GPIOs (like PXA255, with 85).
  * Those cases currently cause holes in the GPIO number space.