u-boot/board/bf533-stamp/bf533-stamp.c

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/*
* U-boot - main board file
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*
* Copyright (c) 2005-2008 Analog Devices Inc.
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*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
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*/
#include <common.h>
#include <netdev.h>
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#include <asm/io.h>
#include "bf533-stamp.h"
DECLARE_GLOBAL_DATA_PTR;
int checkboard(void)
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{
printf("Board: ADI BF533 Stamp board\n");
printf(" Support: http://blackfin.uclinux.org/\n");
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return 0;
}
/* PF0 and PF1 are used to switch between the ethernet and flash:
* PF0 PF1
* flash: 0 0
* ether: 1 0
*/
void swap_to(int device_id)
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{
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");
SSYNC();
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}
#if defined(CONFIG_MISC_INIT_R)
/* miscellaneous platform dependent initialisations */
int misc_init_r(void)
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{
#ifdef CONFIG_STAMP_CF
cf_ide_init();
#endif
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return 0;
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}
#endif
#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)
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{
bfin_write_FIO_INEN(bfin_read_FIO_INEN() & ~(PF2 | PF3 | PF4));
bfin_write_FIO_DIR(bfin_read_FIO_DIR() | (PF2 | PF3 | PF4));
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if (LED1 == STATUS_LED_OFF)
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*pFIO_FLAG_S = PF2;
else
*pFIO_FLAG_C = PF2;
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if (LED2 == STATUS_LED_OFF)
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*pFIO_FLAG_S = PF3;
else
*pFIO_FLAG_C = PF3;
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if (LED3 == STATUS_LED_OFF)
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*pFIO_FLAG_S = PF4;
else
*pFIO_FLAG_C = PF4;
SSYNC();
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}
void show_boot_progress(int status)
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{
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switch (status) {
case 1:
stamp_led_set(STATUS_LED_OFF, STATUS_LED_OFF, STATUS_LED_ON);
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break;
case 2:
stamp_led_set(STATUS_LED_OFF, STATUS_LED_ON, STATUS_LED_OFF);
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break;
case 3:
stamp_led_set(STATUS_LED_OFF, STATUS_LED_ON, STATUS_LED_ON);
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break;
case 4:
stamp_led_set(STATUS_LED_ON, STATUS_LED_OFF, STATUS_LED_OFF);
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break;
case 5:
case 6:
stamp_led_set(STATUS_LED_ON, STATUS_LED_OFF, STATUS_LED_ON);
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break;
case 7:
case 8:
stamp_led_set(STATUS_LED_ON, STATUS_LED_ON, STATUS_LED_OFF);
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break;
case 9:
case 10:
case 11:
case 12:
case 13:
case 14:
case 15:
stamp_led_set(STATUS_LED_OFF, STATUS_LED_OFF, STATUS_LED_OFF);
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break;
default:
stamp_led_set(STATUS_LED_ON, STATUS_LED_ON, STATUS_LED_ON);
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break;
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}
}
#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
#ifdef CONFIG_SMC91111
int board_eth_init(bd_t *bis)
{
return smc91111_initialize(0, CONFIG_SMC91111_BASE);
}
#endif