mirror of
https://github.com/AsahiLinux/u-boot
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83d290c56f
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
124 lines
2.4 KiB
C
124 lines
2.4 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2000-2003
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*/
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#include <common.h>
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#include <status_led.h>
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/*
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* The purpose of this code is to signal the operational status of a
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* target which usually boots over the network; while running in
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* U-Boot, a status LED is blinking. As soon as a valid BOOTP reply
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* message has been received, the LED is turned off. The Linux
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* kernel, once it is running, will start blinking the LED again,
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* with another frequency.
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*/
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/* ------------------------------------------------------------------------- */
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typedef struct {
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led_id_t mask;
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int state;
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int period;
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int cnt;
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} led_dev_t;
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led_dev_t led_dev[] = {
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{ CONFIG_LED_STATUS_BIT,
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CONFIG_LED_STATUS_STATE,
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LED_STATUS_PERIOD,
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0,
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},
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#if defined(CONFIG_LED_STATUS1)
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{ CONFIG_LED_STATUS_BIT1,
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CONFIG_LED_STATUS_STATE1,
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LED_STATUS_PERIOD1,
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0,
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},
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#endif
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#if defined(CONFIG_LED_STATUS2)
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{ CONFIG_LED_STATUS_BIT2,
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CONFIG_LED_STATUS_STATE2,
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LED_STATUS_PERIOD2,
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0,
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},
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#endif
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#if defined(CONFIG_LED_STATUS3)
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{ CONFIG_LED_STATUS_BIT3,
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CONFIG_LED_STATUS_STATE3,
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LED_STATUS_PERIOD3,
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0,
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},
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#endif
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#if defined(CONFIG_LED_STATUS4)
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{ CONFIG_LED_STATUS_BIT4,
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CONFIG_LED_STATUS_STATE4,
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LED_STATUS_PERIOD4,
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0,
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},
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#endif
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#if defined(CONFIG_LED_STATUS5)
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{ CONFIG_LED_STATUS_BIT5,
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CONFIG_LED_STATUS_STATE5,
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LED_STATUS_PERIOD5,
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0,
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},
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#endif
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};
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#define MAX_LED_DEV (sizeof(led_dev)/sizeof(led_dev_t))
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static int status_led_init_done = 0;
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void status_led_init(void)
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{
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led_dev_t *ld;
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int i;
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for (i = 0, ld = led_dev; i < MAX_LED_DEV; i++, ld++)
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__led_init (ld->mask, ld->state);
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status_led_init_done = 1;
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}
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void status_led_tick (ulong timestamp)
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{
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led_dev_t *ld;
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int i;
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if (!status_led_init_done)
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status_led_init ();
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for (i = 0, ld = led_dev; i < MAX_LED_DEV; i++, ld++) {
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if (ld->state != CONFIG_LED_STATUS_BLINKING)
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continue;
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if (++ld->cnt >= ld->period) {
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__led_toggle (ld->mask);
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ld->cnt -= ld->period;
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}
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}
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}
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void status_led_set (int led, int state)
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{
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led_dev_t *ld;
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if (led < 0 || led >= MAX_LED_DEV)
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return;
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if (!status_led_init_done)
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status_led_init ();
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ld = &led_dev[led];
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ld->state = state;
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if (state == CONFIG_LED_STATUS_BLINKING) {
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ld->cnt = 0; /* always start with full period */
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state = CONFIG_LED_STATUS_ON; /* always start with LED _ON_ */
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}
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__led_set (ld->mask, state);
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}
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