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yaml
---
r: 137189
b: refs/heads/master
c: 0d9f768
h: refs/heads/master
i:
  137187: 53c196b
v: v3
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Eric Miao committed Mar 9, 2009
1 parent d624345 commit 8d07290
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Showing 3 changed files with 32 additions and 32 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: a58fbcd8ad17ddaa0c7aadbbbd20de4ebc807fa4
refs/heads/master: 0d9f768fce67a53b9c2296789129d4dfb3f4996b
31 changes: 31 additions & 0 deletions trunk/arch/arm/mach-pxa/generic.c
Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@

#include <mach/pxa-regs.h>
#include <mach/reset.h>
#include <mach/pxa2xx-gpio.h>

#include "generic.h"

Expand Down Expand Up @@ -127,3 +128,33 @@ void __init pxa_map_io(void)
iotable_init(standard_io_desc, ARRAY_SIZE(standard_io_desc));
get_clk_frequency_khz(1);
}

/*
* Configure pins for GPIO or other functions
*/
int pxa_gpio_mode(int gpio_mode)
{
unsigned long flags;
int gpio = gpio_mode & GPIO_MD_MASK_NR;
int fn = (gpio_mode & GPIO_MD_MASK_FN) >> 8;
int gafr;

if (gpio > pxa_last_gpio)
return -EINVAL;

local_irq_save(flags);
if (gpio_mode & GPIO_DFLT_LOW)
GPCR(gpio) = GPIO_bit(gpio);
else if (gpio_mode & GPIO_DFLT_HIGH)
GPSR(gpio) = GPIO_bit(gpio);
if (gpio_mode & GPIO_MD_MASK_DIR)
GPDR(gpio) |= GPIO_bit(gpio);
else
GPDR(gpio) &= ~GPIO_bit(gpio);
gafr = GAFR(gpio) & ~(0x3 << (((gpio) & 0xf)*2));
GAFR(gpio) = gafr | (fn << (((gpio) & 0xf)*2));
local_irq_restore(flags);

return 0;
}
EXPORT_SYMBOL(pxa_gpio_mode);
31 changes: 0 additions & 31 deletions trunk/arch/arm/mach-pxa/gpio.c
Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,6 @@
#include <asm/gpio.h>
#include <mach/hardware.h>
#include <mach/pxa-regs.h>
#include <mach/pxa2xx-gpio.h>

#include "generic.h"

Expand All @@ -45,36 +44,6 @@ struct pxa_gpio_chip {

int pxa_last_gpio;

/*
* Configure pins for GPIO or other functions
*/
int pxa_gpio_mode(int gpio_mode)
{
unsigned long flags;
int gpio = gpio_mode & GPIO_MD_MASK_NR;
int fn = (gpio_mode & GPIO_MD_MASK_FN) >> 8;
int gafr;

if (gpio > pxa_last_gpio)
return -EINVAL;

local_irq_save(flags);
if (gpio_mode & GPIO_DFLT_LOW)
GPCR(gpio) = GPIO_bit(gpio);
else if (gpio_mode & GPIO_DFLT_HIGH)
GPSR(gpio) = GPIO_bit(gpio);
if (gpio_mode & GPIO_MD_MASK_DIR)
GPDR(gpio) |= GPIO_bit(gpio);
else
GPDR(gpio) &= ~GPIO_bit(gpio);
gafr = GAFR(gpio) & ~(0x3 << (((gpio) & 0xf)*2));
GAFR(gpio) = gafr | (fn << (((gpio) & 0xf)*2));
local_irq_restore(flags);

return 0;
}
EXPORT_SYMBOL(pxa_gpio_mode);

static int pxa_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
{
unsigned long flags;
Expand Down

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