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Blackfin: bf533-stamp: rewrite startup LED notifications

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Again, don't clobber pins that we aren't actually using, and use the common
LED framework rather than our own hob-job-but-not-really-working.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2008-10-11 22:40:22 -04:00
parent cf6f469e27
commit 23fd959eea
2 changed files with 73 additions and 14 deletions
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62
board/bf533-stamp/bf533-stamp.c
View file

@ -1,7 +1,7 @@
/*
* U-boot - stamp.c STAMP board specific routines
* U-boot - main board file
*
* Copyright (c) 2005-2007 Analog Devices Inc.
* Copyright (c) 2005-2008 Analog Devices Inc.
*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
@ -31,15 +31,6 @@
DECLARE_GLOBAL_DATA_PTR;
#define STATUS_LED_OFF 0
#define STATUS_LED_ON 1
#ifdef CONFIG_SHOW_BOOT_PROGRESS
# define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
#else
# define SHOW_BOOT_PROGRESS(arg)
#endif
int checkboard(void)
{
printf("Board: ADI BF533 Stamp board\n");
@ -192,10 +183,15 @@ void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words)
}
#endif
void stamp_led_set(int LED1, int LED2, int LED3)
#ifdef CONFIG_SHOW_BOOT_PROGRESS
#define STATUS_LED_OFF 0
#define STATUS_LED_ON 1
static void stamp_led_set(int LED1, int LED2, int LED3)
{
*pFIO_INEN &= ~(PF2 | PF3 | PF4);
*pFIO_DIR |= (PF2 | PF3 | PF4);
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;
@ -249,3 +245,41 @@ void show_boot_progress(int status)
break;
}
}
#endif
#ifdef CONFIG_STATUS_LED
#include <status_led.h>
static void set_led(int pf, int state)
{
switch (state) {
case STATUS_LED_OFF: bfin_write_FIO_FLAG_S(pf); break;
case STATUS_LED_BLINKING: bfin_write_FIO_FLAG_T(pf); break;
case STATUS_LED_ON: bfin_write_FIO_FLAG_C(pf); break;
}
}
static void set_leds(led_id_t mask, int state)
{
if (mask & 0x1) set_led(PF2, state);
if (mask & 0x2) set_led(PF3, state);
if (mask & 0x4) set_led(PF4, state);
}
void __led_init(led_id_t mask, int state)
{
bfin_write_FIO_INEN(bfin_read_FIO_INEN() & ~(PF2 | PF3 | PF4));
bfin_write_FIO_DIR(bfin_read_FIO_DIR() | (PF2 | PF3 | PF4));
}
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);
}
#endif

25
include/configs/bf533-stamp.h
View file

@ -207,6 +207,31 @@
/* FLASH/ETHERNET uses the same async bank */
#define SHARED_RESOURCES 1
/* define to enable boot progress via leds */
/* #define CONFIG_SHOW_BOOT_PROGRESS */
/* define to enable run status via led */
/* #define CONFIG_STATUS_LED */
#ifdef CONFIG_STATUS_LED
#define CONFIG_BOARD_SPECIFIC_LED
#ifndef __ASSEMBLY__
typedef unsigned int led_id_t;
void __led_init(led_id_t mask, int state);
void __led_set(led_id_t mask, int state);
void __led_toggle(led_id_t mask);
#endif
/* use LED1 to indicate booting/alive */
#define STATUS_LED_BOOT 0
#define STATUS_LED_BIT 1
#define STATUS_LED_STATE STATUS_LED_ON
#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 4)
/* use LED2 to indicate crash */
#define STATUS_LED_CRASH 1
#define STATUS_LED_BIT1 2
#define STATUS_LED_STATE1 STATUS_LED_ON
#define STATUS_LED_PERIOD1 (CONFIG_SYS_HZ / 2)
#endif
/* define to enable splash screen support */
/* #define CONFIG_VIDEO */