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Blackfin: support a 3rd gpio cfi pin 

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Peter Meerwald 2010-09-17 13:02:42 -04:00 committed by Mike Frysinger
parent 1729615875
commit 68409f844f
1 changed files with 14 additions and 1 deletions
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15
board/cm-bf537e/gpio_cfi_flash.c
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@ -22,7 +22,12 @@
#else
#define GPIO_MASK_2 (1 << 22)
#endif
#define GPIO_MASK (GPIO_MASK_1 | GPIO_MASK_2)
#ifndef GPIO_PIN_3
#define GPIO_MASK_3 (0)
#else
#define GPIO_MASK_3 (1 << 23)
#endif
#define GPIO_MASK (GPIO_MASK_1 | GPIO_MASK_2 | GPIO_MASK_3)
void *gpio_cfi_flash_swizzle(void *vaddr)
{
@ -34,6 +39,10 @@ void *gpio_cfi_flash_swizzle(void *vaddr)
gpio_set_value(GPIO_PIN_2, addr & GPIO_MASK_2);
#endif
#ifdef GPIO_PIN_3
gpio_set_value(GPIO_PIN_3, addr & GPIO_MASK_3);
#endif
SSYNC();
udelay(1);
@ -65,4 +74,8 @@ void gpio_cfi_flash_init(void)
gpio_request(GPIO_PIN_2, "gpio_cfi_flash");
gpio_direction_output(GPIO_PIN_2, 0);
#endif
#ifdef GPIO_PIN_3
gpio_request(GPIO_PIN_3, "gpio_cfi_flash");
gpio_direction_output(GPIO_PIN_3, 0);
#endif
}