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/*
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* Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
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*
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* Parts are shamelessly stolen from various TI sources, original copyright
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* follows:
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* -----------------------------------------------------------------
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*
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* Copyright (C) 2004 Texas Instruments.
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*
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* ----------------------------------------------------------------------------
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* ----------------------------------------------------------------------------
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*/
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#include <common.h>
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#include <nand.h>
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#include <asm/arch/nand_defs.h>
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#include <asm/arch/hardware.h>
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#include <asm/arch/davinci_misc.h>
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DECLARE_GLOBAL_DATA_PTR;
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int board_init(void)
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{
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/* address of boot parameters */
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gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
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/* Configure AEMIF pins (although this should be configured at boot time
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* with pull-up/pull-down resistors) */
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REG(PINMUX0) = 0x00000c1f;
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davinci_errata_workarounds();
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/* Power on required peripherals */
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lpsc_on(DAVINCI_LPSC_GPIO);
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#if !defined(CONFIG_SYS_USE_DSPLINK)
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/* Powerup the DSP */
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dsp_on();
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#endif /* CONFIG_SYS_USE_DSPLINK */
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davinci_enable_uart0();
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davinci_enable_emac();
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davinci_enable_i2c();
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lpsc_on(DAVINCI_LPSC_TIMER1);
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timer_init();
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return(0);
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}
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int misc_init_r(void)
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{
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uint8_t eeprom_enetaddr[6];
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/* Read Ethernet MAC address from EEPROM if available. */
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if (dvevm_read_mac_address(eeprom_enetaddr))
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davinci_sync_env_enetaddr(eeprom_enetaddr);
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return(0);
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}
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#ifdef CONFIG_NAND_DAVINCI
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/* Set WP on deselect, write enable on select */
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static void nand_sonata_select_chip(struct mtd_info *mtd, int chip)
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{
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#define GPIO_SET_DATA01 0x01c67018
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#define GPIO_CLR_DATA01 0x01c6701c
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#define GPIO_NAND_WP (1 << 4)
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#ifdef SONATA_BOARD_GPIOWP
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if (chip < 0) {
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REG(GPIO_CLR_DATA01) |= GPIO_NAND_WP;
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} else {
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REG(GPIO_SET_DATA01) |= GPIO_NAND_WP;
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}
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#endif
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}
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int board_nand_init(struct nand_chip *nand)
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{
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davinci_nand_init(nand);
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nand->select_chip = nand_sonata_select_chip;
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return 0;
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}
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#endif /* CONFIG_NAND_DAVINCI */
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