mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-14 23:33:00 +00:00
0bf98f1d13
In preparation for a generic GPIO driver for the DA8xx processors, rename <asm/arch/gpio_defs.h> to <asm/arch/gpio.h> and fix up all files which include it. Signed-off-by: Laurence Withers <lwithers@guralp.com> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
152 lines
3.8 KiB
C
152 lines
3.8 KiB
C
/*
|
|
* 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
|