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/*
* Copyright (C) 2009 Texas Instruments Incorporated
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <common.h>
#include <nand.h>
#include <asm/io.h>
#include <asm/arch/hardware.h>
#include <asm/arch/emif_defs.h>
#include <asm/arch/nand_defs.h>
#include <asm/arch/gpio.h>
#include <netdev.h>
#include <asm/arch/davinci_misc.h>
#ifdef CONFIG_DAVINCI_MMC
#include <mmc.h>
#include <asm/arch/sdmmc_defs.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
int board_init(void)
{
gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_DM365_EVM;
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
return 0;
}
#ifdef CONFIG_DRIVER_TI_EMAC
int board_eth_init(bd_t *bis)
{
uint8_t eeprom_enetaddr[6];
int i;
struct davinci_gpio *gpio1_base =
(struct davinci_gpio *)DAVINCI_GPIO_BANK01;
/* Configure PINMUX 3 to enable EMAC pins */
writel((readl(PINMUX3) | 0x1affff), PINMUX3);
/* Configure GPIO20 as output */
writel((readl(&gpio1_base->dir) & ~(1 << 20)), &gpio1_base->dir);
/* Toggle GPIO 20 */
for (i = 0; i < 20; i++) {
/* GPIO 20 low */
writel((readl(&gpio1_base->out_data) & ~(1 << 20)),
&gpio1_base->out_data);
udelay(1000);
/* GPIO 20 high */
writel((readl(&gpio1_base->out_data) | (1 << 20)),
&gpio1_base->out_data);
}
/* Configure I2C pins so that EEPROM can be read */
writel((readl(PINMUX3) | 0x01400000), PINMUX3);
/* Read Ethernet MAC address from EEPROM */
if (dvevm_read_mac_address(eeprom_enetaddr))
davinci_sync_env_enetaddr(eeprom_enetaddr);
davinci_emac_initialize();
return 0;
}
#endif
#ifdef CONFIG_NAND_DAVINCI
static void nand_dm365evm_select_chip(struct mtd_info *mtd, int chip)
{
struct nand_chip *this = mtd->priv;
unsigned long wbase = (unsigned long) this->IO_ADDR_W;
unsigned long rbase = (unsigned long) this->IO_ADDR_R;
if (chip == 1) {
__set_bit(14, &wbase);
__set_bit(14, &rbase);
} else {
__clear_bit(14, &wbase);
__clear_bit(14, &rbase);
}
this->IO_ADDR_W = (void *)wbase;
this->IO_ADDR_R = (void *)rbase;
}
int board_nand_init(struct nand_chip *nand)
{
davinci_nand_init(nand);
nand->select_chip = nand_dm365evm_select_chip;
return 0;
}
#endif
#ifdef CONFIG_DAVINCI_MMC
static struct davinci_mmc mmc_sd0 = {
.reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD0_BASE,
.input_clk = 121500000,
.host_caps = MMC_MODE_4BIT,
.voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
.version = MMC_CTLR_VERSION_2,
};
#ifdef CONFIG_DAVINCI_MMC_SD1
static struct davinci_mmc mmc_sd1 = {
.reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD1_BASE,
.input_clk = 121500000,
.host_caps = MMC_MODE_4BIT,
.voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
.version = MMC_CTLR_VERSION_2,
};
#endif
int board_mmc_init(bd_t *bis)
{
int err;
/* Add slot-0 to mmc subsystem */
err = davinci_mmc_init(bis, &mmc_sd0);
if (err)
return err;
#ifdef CONFIG_DAVINCI_MMC_SD1
#define PUPDCTL1 0x01c4007c
/* PINMUX(4)-DAT0-3/CMD; PINMUX(0)-CLK */
writel((readl(PINMUX4) | 0x55400000), PINMUX4);
writel((readl(PINMUX0) | 0x00010000), PINMUX0);
/* Configure MMC/SD pins as pullup */
writel((readl(PUPDCTL1) & ~0x07c0), PUPDCTL1);
/* Add slot-1 to mmc subsystem */
err = davinci_mmc_init(bis, &mmc_sd1);
#endif
return err;
}
#endif
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