upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/bf526-ezbrd/status-led.c

56 lines
1.4 KiB

/*
* U-boot - status leds
*
* Copyright (c) 2005-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#include <common.h>
#include <config.h>
#include <command.h>
#include <status_led.h>
static void set_led_f(int pf, int state)
{
switch (state) {
case STATUS_LED_OFF: bfin_write_PORTFIO_CLEAR(pf); break;
case STATUS_LED_BLINKING: bfin_write_PORTFIO_TOGGLE(pf); break;
case STATUS_LED_ON: bfin_write_PORTFIO_SET(pf); break;
}
}
static void set_led_g(int pf, int state)
{
switch (state) {
case STATUS_LED_OFF: bfin_write_PORTGIO_CLEAR(pf); break;
case STATUS_LED_BLINKING: bfin_write_PORTGIO_TOGGLE(pf); break;
case STATUS_LED_ON: bfin_write_PORTGIO_SET(pf); break;
}
}
static void set_leds(led_id_t mask, int state)
{
if (mask & 0x1) set_led_f(PF8, state);
if (mask & 0x2) set_led_g(PG11, state);
if (mask & 0x4) set_led_g(PG12, state);
}
void __led_init(led_id_t mask, int state)
{
bfin_write_PORTF_FER(bfin_read_PORTF_FER() & ~(PF8));
bfin_write_PORTG_FER(bfin_read_PORTG_FER() & ~(PG11 | PG12));
bfin_write_PORTFIO_INEN(bfin_read_PORTFIO_INEN() & ~(PF8));
bfin_write_PORTGIO_INEN(bfin_read_PORTGIO_INEN() & ~(PG11 | PG12));
bfin_write_PORTFIO_DIR(bfin_read_PORTFIO_DIR() | (PF8));
bfin_write_PORTGIO_DIR(bfin_read_PORTGIO_DIR() | (PG11 | PG12));
}
void __led_set(led_id_t mask, int state)
{
set_leds(mask, state);
}
void __led_toggle(led_id_t mask)
{
set_leds(mask, STATUS_LED_BLINKING);
}