bf527-ezkit.c
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/*
* U-boot - main board file
*
* Copyright (c) 2005-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#include <common.h>
#include <config.h>
#include <command.h>
#include <net.h>
#include <netdev.h>
#include <asm/blackfin.h>
#include <asm/gpio.h>
#include <asm/mach-common/bits/otp.h>
DECLARE_GLOBAL_DATA_PTR;
int checkboard(void)
{
printf("Board: ADI BF527 EZ-Kit board\n");
printf(" Support: http://blackfin.uclinux.org/\n");
return 0;
}
#ifdef CONFIG_BFIN_MAC
static void board_init_enetaddr(uchar *mac_addr)
{
bool valid_mac = false;
/* the MAC is stored in OTP memory page 0xDF */
uint32_t ret;
uint64_t otp_mac;
ret = bfrom_OtpRead(0xDF, OTP_LOWER_HALF, &otp_mac);
if (!(ret & OTP_MASTER_ERROR)) {
uchar *otp_mac_p = (uchar *)&otp_mac;
for (ret = 0; ret < 6; ++ret)
mac_addr[ret] = otp_mac_p[5 - ret];
if (is_valid_ether_addr(mac_addr))
valid_mac = true;
}
if (!valid_mac) {
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)
{
return bfin_EMAC_initialize(bis);
}
#endif
int misc_init_r(void)
{
#ifdef CONFIG_BFIN_MAC
uchar enetaddr[6];
if (!eth_getenv_enetaddr("ethaddr", enetaddr))
board_init_enetaddr(enetaddr);
#endif
return 0;
}
#ifdef CONFIG_USB_BLACKFIN
void board_musb_init(void)
{
/*
* BF527 EZ-KITs require PG13 to be high for HOST mode
*/
gpio_request(GPIO_PG13, "musb-vbus");
gpio_direction_output(GPIO_PG13, 1);
}
#endif