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Blackfin: bf533-stamp: convert eth/flash swap logic to gpio framework 

Rather than bang MMRs directly, use the new portmux framework to handle
the details.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2010-06-02 06:18:57 -04:00
parent 37a4b75d4c
commit 6cfcf5840b
1 changed files with 20 additions and 27 deletions
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47
board/bf533-stamp/bf533-stamp.c
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@ -27,8 +27,7 @@
#include <common.h>
#include <netdev.h>
#include <asm/io.h>
#include "bf533-stamp.h"
#include <asm/gpio.h>
DECLARE_GLOBAL_DATA_PTR;
@ -46,15 +45,10 @@ int checkboard(void)
*/
void swap_to(int device_id)
{
bfin_write_FIO_DIR(bfin_read_FIO_DIR() | PF1 | PF0);
SSYNC();
bfin_write_FIO_FLAG_C(PF1);
if (device_id == ETHERNET)
bfin_write_FIO_FLAG_S(PF0);
else if (device_id == FLASH)
bfin_write_FIO_FLAG_C(PF0);
else
printf("Unknown device to switch\n");
gpio_request(GPIO_PF0, "eth_flash_swap");
gpio_request(GPIO_PF1, "eth_flash_swap");
gpio_direction_output(GPIO_PF0, device_id == ETHERNET);
gpio_direction_output(GPIO_PF1, 0);
SSYNC();
}
@ -75,24 +69,23 @@ int misc_init_r(void)
#define STATUS_LED_OFF 0
#define STATUS_LED_ON 1
static int gpio_setup;
static void stamp_led_set(int LED1, int LED2, int LED3)
{
bfin_write_FIO_INEN(bfin_read_FIO_INEN() & ~(PF2 | PF3 | PF4));
bfin_write_FIO_DIR(bfin_read_FIO_DIR() | (PF2 | PF3 | PF4));
if (LED1 == STATUS_LED_OFF)
*pFIO_FLAG_S = PF2;
else
*pFIO_FLAG_C = PF2;
if (LED2 == STATUS_LED_OFF)
*pFIO_FLAG_S = PF3;
else
*pFIO_FLAG_C = PF3;
if (LED3 == STATUS_LED_OFF)
*pFIO_FLAG_S = PF4;
else
*pFIO_FLAG_C = PF4;
SSYNC();
if (!gpio_setup) {
gpio_request(GPIO_PF2, "boot_progress");
gpio_request(GPIO_PF3, "boot_progress");
gpio_request(GPIO_PF4, "boot_progress");
gpio_direction_output(GPIO_PF2, LED1);
gpio_direction_output(GPIO_PF3, LED2);
gpio_direction_output(GPIO_PF4, LED3);
gpio_setup = 1;
} else {
gpio_set_value(GPIO_PF2, LED1);
gpio_set_value(GPIO_PF3, LED2);
gpio_set_value(GPIO_PF4, LED3);
}
}
void show_boot_progress(int status)