mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-16 17:58:23 +00:00
56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
/*
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* U-boot - status leds
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*
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* Copyright (c) 2005-2009 Analog Devices Inc.
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*
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* Licensed under the GPL-2 or later.
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*/
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#include <common.h>
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#include <config.h>
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#include <command.h>
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#include <status_led.h>
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static void set_led_f(int pf, int state)
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{
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switch (state) {
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case STATUS_LED_OFF: bfin_write_PORTFIO_CLEAR(pf); break;
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case STATUS_LED_BLINKING: bfin_write_PORTFIO_TOGGLE(pf); break;
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case STATUS_LED_ON: bfin_write_PORTFIO_SET(pf); break;
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}
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}
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static void set_led_g(int pf, int state)
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{
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switch (state) {
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case STATUS_LED_OFF: bfin_write_PORTGIO_CLEAR(pf); break;
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case STATUS_LED_BLINKING: bfin_write_PORTGIO_TOGGLE(pf); break;
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case STATUS_LED_ON: bfin_write_PORTGIO_SET(pf); break;
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}
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}
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static void set_leds(led_id_t mask, int state)
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{
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if (mask & 0x1) set_led_f(PF8, state);
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if (mask & 0x2) set_led_g(PG11, state);
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if (mask & 0x4) set_led_g(PG12, state);
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}
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void __led_init(led_id_t mask, int state)
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{
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bfin_write_PORTF_FER(bfin_read_PORTF_FER() & ~(PF8));
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bfin_write_PORTG_FER(bfin_read_PORTG_FER() & ~(PG11 | PG12));
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bfin_write_PORTFIO_INEN(bfin_read_PORTFIO_INEN() & ~(PF8));
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bfin_write_PORTGIO_INEN(bfin_read_PORTGIO_INEN() & ~(PG11 | PG12));
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bfin_write_PORTFIO_DIR(bfin_read_PORTFIO_DIR() | (PF8));
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bfin_write_PORTGIO_DIR(bfin_read_PORTGIO_DIR() | (PG11 | PG12));
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}
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void __led_set(led_id_t mask, int state)
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{
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set_leds(mask, state);
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}
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void __led_toggle(led_id_t mask)
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{
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set_leds(mask, STATUS_LED_BLINKING);
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}
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