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/*
* 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 <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");
eth_random_addr(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;
}
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