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[ARM] 3037/1: AAED-2000 - Add defines for GPIO registers on external port.

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Patch from Bellido Nicolas

The AAED-2000 board has GPIO pins on an external port.
This patch adds the defines, and do the necessary mapping.

Signed-off-by: Nicolas Bellido <ml@acolin.be>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Bellido Nicolas
2005-10-28 16:51:40 +01:00
committed by Russell King
parent 13b1d677d2
commit 4028ef4cc1
2 changed files with 47 additions and 0 deletions
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7
arch/arm/mach-aaec2000/aaed2000.c
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@@ -27,6 +27,8 @@
#include <asm/mach/map.h> #include <asm/mach/map.h>
#include <asm/mach/irq.h> #include <asm/mach/irq.h>
#include <asm/arch/aaed2000.h>
#include "core.h" #include "core.h"
static void __init aaed2000_init_irq(void) static void __init aaed2000_init_irq(void)
@@ -34,9 +36,14 @@ static void __init aaed2000_init_irq(void)
aaec2000_init_irq(); aaec2000_init_irq();
} }
static struct map_desc aaed2000_io_desc[] __initdata = {
{ EXT_GPIO_VBASE, EXT_GPIO_PBASE, EXT_GPIO_LENGTH, MT_DEVICE }, /* Ext GPIO */
};
static void __init aaed2000_map_io(void) static void __init aaed2000_map_io(void)
{ {
aaec2000_map_io(); aaec2000_map_io();
iotable_init(aaed2000_io_desc, ARRAY_SIZE(aaed2000_io_desc));
} }
MACHINE_START(AAED2000, "Agilent AAED-2000 Development Platform") MACHINE_START(AAED2000, "Agilent AAED-2000 Development Platform")

40
include/asm-arm/arch-aaec2000/aaed2000.h Normal file
View File

@@ -0,0 +1,40 @@
/*
* linux/include/asm-arm/arch-aaec2000/aaed2000.h
*
* AAED-2000 specific bits definition
*
* Copyright (c) 2005 Nicolas Bellido Y Ortega
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_ARCH_AAED2000_H
#define __ASM_ARCH_AAED2000_H
/* External GPIOs. */
#define EXT_GPIO_PBASE AAEC_CS3
#define EXT_GPIO_VBASE 0xf8100000
#define EXT_GPIO_LENGTH 0x00001000
#define __ext_gpio_p2v(x) ((x) - EXT_GPIO_PBASE + EXT_GPIO_VBASE)
#define __ext_gpio_v2p(x) ((x) + EXT_GPIO_PBASE - EXT_GPIO_VBASE)
#define __EXT_GPIO_REG(x) (*((volatile u32 *)__ext_gpio_p2v(x)))
#define __EXT_GPIO_PREG(x) (__ext_gpio_v2p((u32)&(x)))
#define AAED_EXT_GPIO __EXT_GPIO_REG(EXT_GPIO_PBASE)
#define AAED_EGPIO_KBD_SCAN 0x00003fff /* Keyboard scan data */
#define AAED_EGPIO_PWR_INT 0x00008fff /* Smart battery charger interrupt */
#define AAED_EGPIO_SWITCHED 0x000f0000 /* DIP Switches */
#define AAED_EGPIO_USB_VBUS 0x00400000 /* USB Vbus sense */
#define AAED_EGPIO_LCD_PWR_EN 0x02000000 /* LCD and backlight PWR enable */
#define AAED_EGPIO_nLED0 0x20000000 /* LED 0 */
#define AAED_EGPIO_nLED1 0x20000000 /* LED 1 */
#define AAED_EGPIO_nLED2 0x20000000 /* LED 2 */
#endif /* __ARM_ARCH_AAED2000_H */