Viewing file:  yopy.c (1.93 KB) -rw-r--r--
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/*
* linux/arch/arm/mach-sa1100/yopy.c
*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/tty.h>
#include <asm/hardware.h>
#include <asm/setup.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/serial_sa1100.h>
#include "generic.h"
static spinlock_t egpio_lock = SPIN_LOCK_UNLOCKED;
static unsigned long yopy_egpio =
GPIO_MASK(GPIO_CF_RESET) |
GPIO_MASK(GPIO_CLKDIV_CLR1) | GPIO_MASK(GPIO_CLKDIV_CLR2) |
GPIO_MASK(GPIO_SPEAKER_MUTE) | GPIO_MASK(GPIO_AUDIO_OPAMP_POWER);
int yopy_gpio_test(unsigned int gpio)
{
return ((yopy_egpio & (1 << gpio)) != 0);
}
void yopy_gpio_set(unsigned int gpio, int level)
{
unsigned long flags, mask;
mask = 1 << gpio;
spin_lock_irqsave(&egpio_lock, flags);
if (level)
yopy_egpio |= mask;
else
yopy_egpio &= ~mask;
YOPY_EGPIO = yopy_egpio;
spin_unlock_irqrestore(&egpio_lock, flags);
}
EXPORT_SYMBOL(yopy_gpio_test);
EXPORT_SYMBOL(yopy_gpio_set);
static int __init yopy_hw_init(void)
{
YOPY_EGPIO = yopy_egpio;
/* Enable Output */
PPDR |= PPC_L_BIAS;
PSDR &= ~PPC_L_BIAS;
PPSR |= PPC_L_BIAS;
YOPY_EGPIO = yopy_egpio;
return 0;
}
__initcall(yopy_hw_init);
static struct map_desc yopy_io_desc[] __initdata = {
/* virtual physical length domain r w c b */
{ 0xe8000000, 0x00000000, 0x04000000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash 0 */
{ 0xec000000, 0x08000000, 0x04000000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash 1 */
{ 0xf0000000, 0x48000000, 0x00300000, DOMAIN_IO, 1, 1, 0, 0 }, /* LCD */
{ 0xf1000000, 0x10000000, 0x00100000, DOMAIN_IO, 0, 1, 0, 0 }, /* EGPIO */
LAST_DESC
};
static void __init yopy_map_io(void)
{
sa1100_map_io();
iotable_init(yopy_io_desc);
sa1100_register_uart(0, 3);
}
MACHINE_START(YOPY, "Yopy")
MAINTAINER("G.Mate, Inc.")
BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
BOOT_PARAMS(0xc0000100)
MAPIO(yopy_map_io)
INITIRQ(sa1100_init_irq)
MACHINE_END
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