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/*
* Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
*
* Parts are shamelessly stolen from various TI sources, original copyright
* follows:
* -----------------------------------------------------------------
*
* Copyright (C) 2004 Texas Instruments.
*
* ----------------------------------------------------------------------------
* 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/arch/nand_defs.h>
#include <asm/arch/hardware.h>
#include <asm/arch/davinci_misc.h>
DECLARE_GLOBAL_DATA_PTR;
int board_init(void)
{
/* arch number of the board */
gd->bd->bi_arch_number = MACH_TYPE_SONATA;
/* address of boot parameters */
gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
/* Configure AEMIF pins (although this should be configured at boot time
* with pull-up/pull-down resistors) */
REG(PINMUX0) = 0x00000c1f;
davinci_errata_workarounds();
/* Power on required peripherals */
lpsc_on(DAVINCI_LPSC_GPIO);
#if !defined(CONFIG_SYS_USE_DSPLINK)
/* Powerup the DSP */
dsp_on();
#endif /* CONFIG_SYS_USE_DSPLINK */
davinci_enable_uart0();
davinci_enable_emac();
davinci_enable_i2c();
lpsc_on(DAVINCI_LPSC_TIMER1);
timer_init();
return(0);
}
int misc_init_r(void)
{
uint8_t eeprom_enetaddr[6];
/* Read Ethernet MAC address from EEPROM if available. */
if (dvevm_read_mac_address(eeprom_enetaddr))
davinci_sync_env_enetaddr(eeprom_enetaddr);
return(0);
}
#ifdef CONFIG_NAND_DAVINCI
/* Set WP on deselect, write enable on select */
static void nand_sonata_select_chip(struct mtd_info *mtd, int chip)
{
#define GPIO_SET_DATA01 0x01c67018
#define GPIO_CLR_DATA01 0x01c6701c
#define GPIO_NAND_WP (1 << 4)
#ifdef SONATA_BOARD_GPIOWP
if (chip < 0) {
REG(GPIO_CLR_DATA01) |= GPIO_NAND_WP;
} else {
REG(GPIO_SET_DATA01) |= GPIO_NAND_WP;
}
#endif
}
int board_nand_init(struct nand_chip *nand)
{
davinci_nand_init(nand);
nand->select_chip = nand_sonata_select_chip;
return 0;
}
#endif /* CONFIG_NAND_DAVINCI */
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