mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-27 15:12:21 +00:00
063993299f
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
123 lines
2.5 KiB
C
123 lines
2.5 KiB
C
/*
|
|
* U-boot - main board file for BCT brettl2
|
|
*
|
|
* Copyright (c) 2010 BCT Electronic GmbH
|
|
*
|
|
* Licensed under the GPL-2 or later.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <config.h>
|
|
#include <command.h>
|
|
#include <asm/blackfin.h>
|
|
#include <asm/portmux.h>
|
|
#include <asm/gpio.h>
|
|
#include <asm/net.h>
|
|
#include <net.h>
|
|
#include <netdev.h>
|
|
#include <miiphy.h>
|
|
|
|
#include "../cm-bf537e/gpio_cfi_flash.h"
|
|
#include "smsc9303.h"
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
int checkboard(void)
|
|
{
|
|
printf("Board: bct-brettl2 board\n");
|
|
printf(" Support: http://www.bct-electronic.com/\n");
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_BFIN_MAC
|
|
static void board_init_enetaddr(uchar *mac_addr)
|
|
{
|
|
puts("Warning: Generating 'random' MAC address\n");
|
|
bfin_gen_rand_mac(mac_addr);
|
|
eth_setenv_enetaddr("ethaddr", mac_addr);
|
|
}
|
|
|
|
int board_eth_init(bd_t *bis)
|
|
{
|
|
int retry = 3;
|
|
int ret;
|
|
|
|
ret = bfin_EMAC_initialize(bis);
|
|
|
|
uchar enetaddr[6];
|
|
if (eth_getenv_enetaddr("ethaddr", enetaddr)) {
|
|
printf("setting MAC %pM\n", enetaddr);
|
|
}
|
|
puts(" ");
|
|
|
|
puts("initialize SMSC LAN9303i ethernet switch\n");
|
|
|
|
while (retry-- > 0) {
|
|
if (init_smsc9303i_mii())
|
|
return ret;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
static void init_tlv320aic31(void)
|
|
{
|
|
puts("Audio: setup TIMER0 to enable 16.384 MHz clock for tlv320aic31\n");
|
|
peripheral_request(P_TMR0, "tlv320aic31 clock");
|
|
bfin_write_TIMER0_CONFIG(0x020d);
|
|
bfin_write_TIMER0_PERIOD(0x0008);
|
|
bfin_write_TIMER0_WIDTH(0x0008/2);
|
|
bfin_write_TIMER_ENABLE(bfin_read_TIMER_ENABLE() | 1);
|
|
SSYNC();
|
|
udelay(10000);
|
|
|
|
puts(" resetting tlv320aic31\n");
|
|
|
|
gpio_request(GPIO_PF2, "tlv320aic31");
|
|
gpio_direction_output(GPIO_PF2, 0);
|
|
udelay(10000);
|
|
gpio_direction_output(GPIO_PF2, 1);
|
|
udelay(10000);
|
|
gpio_free(GPIO_PF2);
|
|
}
|
|
|
|
static void init_mute_pin(void)
|
|
{
|
|
printf(" unmute class D amplifier\n");
|
|
|
|
gpio_request(GPIO_PF5, "mute");
|
|
gpio_direction_output(GPIO_PF5, 1);
|
|
gpio_free(GPIO_PF5);
|
|
}
|
|
|
|
/* sometimes LEDs (speech, status) are still on after reboot, turn 'em off */
|
|
static void turn_leds_off(void)
|
|
{
|
|
printf(" turn LEDs off\n");
|
|
|
|
gpio_request(GPIO_PF6, "led");
|
|
gpio_direction_output(GPIO_PF6, 0);
|
|
gpio_free(GPIO_PF6);
|
|
|
|
gpio_request(GPIO_PF15, "led");
|
|
gpio_direction_output(GPIO_PF15, 0);
|
|
gpio_free(GPIO_PF15);
|
|
}
|
|
|
|
/* miscellaneous platform dependent initialisations */
|
|
int misc_init_r(void)
|
|
{
|
|
#ifdef CONFIG_BFIN_MAC
|
|
uchar enetaddr[6];
|
|
if (!eth_getenv_enetaddr("ethaddr", enetaddr))
|
|
board_init_enetaddr(enetaddr);
|
|
#endif
|
|
|
|
gpio_cfi_flash_init();
|
|
init_tlv320aic31();
|
|
init_mute_pin();
|
|
turn_leds_off();
|
|
|
|
return 0;
|
|
}
|