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yaml
---
r: 162619
b: refs/heads/master
c: 9e8ded1
h: refs/heads/master
i:
  162617: 2f6219c
  162615: 06aa474
v: v3
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sfking@fdwdc.com authored and Greg Ungerer committed Sep 10, 2009
1 parent 92f7ab5 commit d2d763a
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Showing 4 changed files with 81 additions and 11 deletions.
2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: a03ce7d9ef05e145ef706f99e68d5ffacf0ad325
refs/heads/master: 9e8ded166dcc7831ee6f31f8a0937cd9b58e83b0
23 changes: 14 additions & 9 deletions trunk/arch/m68k/include/asm/m5249sim.h
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Expand Up @@ -73,14 +73,14 @@
/*
* General purpose IO registers (in MBAR2).
*/
#define MCFSIM2_GPIOREAD 0x0 /* GPIO read values */
#define MCFSIM2_GPIOWRITE 0x4 /* GPIO write values */
#define MCFSIM2_GPIOENABLE 0x8 /* GPIO enabled */
#define MCFSIM2_GPIOFUNC 0xc /* GPIO function */
#define MCFSIM2_GPIO1READ 0xb0 /* GPIO1 read values */
#define MCFSIM2_GPIO1WRITE 0xb4 /* GPIO1 write values */
#define MCFSIM2_GPIO1ENABLE 0xb8 /* GPIO1 enabled */
#define MCFSIM2_GPIO1FUNC 0xbc /* GPIO1 function */
#define MCFSIM2_GPIOREAD (MCF_MBAR2 + 0x000) /* GPIO read values */
#define MCFSIM2_GPIOWRITE (MCF_MBAR2 + 0x004) /* GPIO write values */
#define MCFSIM2_GPIOENABLE (MCF_MBAR2 + 0x008) /* GPIO enabled */
#define MCFSIM2_GPIOFUNC (MCF_MBAR2 + 0x00C) /* GPIO function */
#define MCFSIM2_GPIO1READ (MCF_MBAR2 + 0x0B0) /* GPIO1 read values */
#define MCFSIM2_GPIO1WRITE (MCF_MBAR2 + 0x0B4) /* GPIO1 write values */
#define MCFSIM2_GPIO1ENABLE (MCF_MBAR2 + 0x0B8) /* GPIO1 enabled */
#define MCFSIM2_GPIO1FUNC (MCF_MBAR2 + 0x0BC) /* GPIO1 function */

#define MCFSIM2_GPIOINTSTAT 0xc0 /* GPIO interrupt status */
#define MCFSIM2_GPIOINTCLEAR 0xc0 /* GPIO interrupt clear */
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#define MCFSIM2_IDECONFIG1 0x18c /* IDEconfig1 */
#define MCFSIM2_IDECONFIG2 0x190 /* IDEconfig2 */


/*
* Generic GPIO support
*/
#define MCFGPIO_PIN_MAX 64
#define MCFGPIO_IRQ_MAX -1
#define MCFGPIO_IRQ_VECBASE -1
/*
* Macro to set IMR register. It is 32 bits on the 5249.
*/
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2 changes: 1 addition & 1 deletion trunk/arch/m68knommu/platform/5249/Makefile
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Expand Up @@ -14,5 +14,5 @@

asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1

obj-y := config.o
obj-y := config.o gpio.o

65 changes: 65 additions & 0 deletions trunk/arch/m68knommu/platform/5249/gpio.c
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/*
* Coldfire generic GPIO support
*
* (C) Copyright 2009, Steven King <sfking@fdwdc.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/

#include <linux/kernel.h>
#include <linux/init.h>

#include <asm/coldfire.h>
#include <asm/mcfsim.h>
#include <asm/mcfgpio.h>

static struct mcf_gpio_chip mcf_gpio_chips[] = {
{
.gpio_chip = {
.label = "GPIO0",
.request = mcf_gpio_request,
.free = mcf_gpio_free,
.direction_input = mcf_gpio_direction_input,
.direction_output = mcf_gpio_direction_output,
.get = mcf_gpio_get_value,
.set = mcf_gpio_set_value,
.ngpio = 32,
},
.pddr = MCFSIM2_GPIOENABLE,
.podr = MCFSIM2_GPIOWRITE,
.ppdr = MCFSIM2_GPIOREAD,
},
{
.gpio_chip = {
.label = "GPIO1",
.request = mcf_gpio_request,
.free = mcf_gpio_free,
.direction_input = mcf_gpio_direction_input,
.direction_output = mcf_gpio_direction_output,
.get = mcf_gpio_get_value,
.set = mcf_gpio_set_value,
.base = 32,
.ngpio = 32,
},
.pddr = MCFSIM2_GPIO1ENABLE,
.podr = MCFSIM2_GPIO1WRITE,
.ppdr = MCFSIM2_GPIO1READ,
},
};

static int __init mcf_gpio_init(void)
{
unsigned i = 0;
while (i < ARRAY_SIZE(mcf_gpio_chips))
(void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
return 0;
}

core_initcall(mcf_gpio_init);

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