diff options
Diffstat (limited to 'u-boot/board/davinci/sonata/sonata.c')
| -rw-r--r-- | u-boot/board/davinci/sonata/sonata.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/u-boot/board/davinci/sonata/sonata.c b/u-boot/board/davinci/sonata/sonata.c new file mode 100644 index 0000000..c194290 --- /dev/null +++ b/u-boot/board/davinci/sonata/sonata.c @@ -0,0 +1,102 @@ +/* + * 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 */ |