2 * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
4 * Parts are shamelessly stolen from various TI sources, original copyright
6 * -----------------------------------------------------------------
8 * Copyright (C) 2004 Texas Instruments.
10 * ----------------------------------------------------------------------------
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 * ----------------------------------------------------------------------------
29 #include <asm/arch/nand_defs.h>
30 #include <asm/arch/hardware.h>
31 #include <asm/arch/davinci_misc.h>
33 DECLARE_GLOBAL_DATA_PTR;
37 /* address of boot parameters */
38 gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
40 /* Configure AEMIF pins (although this should be configured at boot time
41 * with pull-up/pull-down resistors) */
42 REG(PINMUX0) = 0x00000c1f;
44 davinci_errata_workarounds();
46 /* Power on required peripherals */
47 lpsc_on(DAVINCI_LPSC_GPIO);
49 #if !defined(CONFIG_SYS_USE_DSPLINK)
52 #endif /* CONFIG_SYS_USE_DSPLINK */
54 davinci_enable_uart0();
55 davinci_enable_emac();
58 lpsc_on(DAVINCI_LPSC_TIMER1);
66 uint8_t eeprom_enetaddr[6];
68 /* Read Ethernet MAC address from EEPROM if available. */
69 if (dvevm_read_mac_address(eeprom_enetaddr))
70 davinci_sync_env_enetaddr(eeprom_enetaddr);
75 #ifdef CONFIG_NAND_DAVINCI
77 /* Set WP on deselect, write enable on select */
78 static void nand_sonata_select_chip(struct mtd_info *mtd, int chip)
80 #define GPIO_SET_DATA01 0x01c67018
81 #define GPIO_CLR_DATA01 0x01c6701c
82 #define GPIO_NAND_WP (1 << 4)
83 #ifdef SONATA_BOARD_GPIOWP
85 REG(GPIO_CLR_DATA01) |= GPIO_NAND_WP;
87 REG(GPIO_SET_DATA01) |= GPIO_NAND_WP;
92 int board_nand_init(struct nand_chip *nand)
94 davinci_nand_init(nand);
95 nand->select_chip = nand_sonata_select_chip;
99 #endif /* CONFIG_NAND_DAVINCI */