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/*
* Configuration settings for the Gumstix Overo board.
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __CONFIG_H
#define __CONFIG_H
#include <asm/sizes.h>
/*
* High Level Configuration Options
*/
#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3430 1 /* which is in a 3430 */
#define CONFIG_OMAP3_OVERO 1 /* working with overo */
#include <asm/arch/cpu.h> /* get chip and board defs */
#include <asm/arch/omap3.h>
/* Clock Defines */
#define V_OSCK 26000000 /* Clock output from T2 */
#define V_SCLK (V_OSCK >> 1)
#undef CONFIG_USE_IRQ /* no support for IRQs */
#define CONFIG_MISC_INIT_R
#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
#define CONFIG_SETUP_MEMORY_TAGS 1
#define CONFIG_INITRD_TAG 1
#define CONFIG_REVISION_TAG 1
/*
* Size of malloc() pool
*/
#define CONFIG_ENV_SIZE SZ_128K /* Total Size Environment */
/* Sector */
#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + SZ_128K)
#define CONFIG_SYS_GBL_DATA_SIZE 128 /* bytes reserved for */
/* initial data */
/*
* Hardware drivers
*/
/*
* NS16550 Configuration
*/
#define V_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */
#define CONFIG_SYS_NS16550
#define CONFIG_SYS_NS16550_SERIAL
#define CONFIG_SYS_NS16550_REG_SIZE (-4)
#define CONFIG_SYS_NS16550_CLK V_NS16550_CLK
/*
* select serial console configuration
*/
#define CONFIG_CONS_INDEX 3
#define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3
#define CONFIG_SERIAL3 3
/* allow to overwrite serial and ethaddr */
#define CONFIG_ENV_OVERWRITE
#define CONFIG_BAUDRATE 115200
#define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600, \
115200}
#define CONFIG_MMC 1
#define CONFIG_OMAP3_MMC 1
#define CONFIG_DOS_PARTITION 1
/* commands to include */
#include <config_cmd_default.h>
#define CONFIG_CMD_EXT2 /* EXT2 Support */
#define CONFIG_CMD_FAT /* FAT support */
#define CONFIG_CMD_JFFS2 /* JFFS2 Support */
#define CONFIG_CMD_I2C /* I2C serial bus support */
#define CONFIG_CMD_MMC /* MMC support */
#define CONFIG_CMD_NAND /* NAND support */
#undef CONFIG_CMD_FLASH /* flinfo, erase, protect */
#undef CONFIG_CMD_FPGA /* FPGA configuration Support */
#undef CONFIG_CMD_IMI /* iminfo */
#undef CONFIG_CMD_IMLS /* List all found images */
#undef CONFIG_CMD_NET /* bootp, tftpboot, rarpboot */
#undef CONFIG_CMD_NFS /* NFS support */
#define CONFIG_SYS_NO_FLASH
#define CONFIG_SYS_I2C_SPEED 100000
#define CONFIG_SYS_I2C_SLAVE 1
#define CONFIG_SYS_I2C_BUS 0
#define CONFIG_SYS_I2C_BUS_SELECT 1
#define CONFIG_DRIVER_OMAP34XX_I2C 1
/*
* Board NAND Info.
*/
#define CONFIG_NAND_OMAP_GPMC
#define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */
/* to access nand */
#define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */
/* to access nand */
/* at CS0 */
#define GPMC_NAND_ECC_LP_x16_LAYOUT 1
#define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */
/* devices */
#define SECTORSIZE 512
#define NAND_ALLOW_ERASE_ALL
#define ADDR_COLUMN 1
#define ADDR_PAGE 2
#define ADDR_COLUMN_PAGE 3
#define NAND_ChipID_UNKNOWN 0x00
#define NAND_MAX_FLOORS 1
#define NAND_MAX_CHIPS 1
#define NAND_NO_RB 1
#define CONFIG_SYS_NAND_WP
#define CONFIG_JFFS2_NAND
/* nand device jffs2 lives on */
#define CONFIG_JFFS2_DEV "nand0"
/* start of jffs2 partition */
#define CONFIG_JFFS2_PART_OFFSET 0x680000
#define CONFIG_JFFS2_PART_SIZE 0xf980000 /* size of jffs2 */
/* partition */
/* Environment information */
#define CONFIG_BOOTDELAY 5
#define CONFIG_EXTRA_ENV_SETTINGS \
"loadaddr=0x82000000\0" \
"console=ttyS2,115200n8\0" \
"videomode=1024x768@60,vxres=1024,vyres=768\0" \
"videospec=omapfb:vram:2M,vram:4M\0" \
"mmcargs=setenv bootargs console=${console} " \
"video=${videospec},mode:${videomode} " \
"root=/dev/mmcblk0p2 rw " \
"rootfstype=ext3 rootwait\0" \
"nandargs=setenv bootargs console=${console} " \
"video=${videospec},mode:${videomode} " \
"root=/dev/mtdblock4 rw " \
"rootfstype=jffs2\0" \
"loadbootscript=fatload mmc 0 ${loadaddr} boot.scr\0" \
"bootscript=echo Running bootscript from mmc ...; " \
"autoscr ${loadaddr}\0" \
"loaduimage=fatload mmc 0 ${loadaddr} uImage\0" \
"mmcboot=echo Booting from mmc ...; " \
"run mmcargs; " \
"bootm ${loadaddr}\0" \
"nandboot=echo Booting from nand ...; " \
"run nandargs; " \
"nand read ${loadaddr} 280000 400000; " \
"bootm ${loadaddr}\0" \
#define CONFIG_BOOTCOMMAND \
"if mmcinit; then " \
"if run loadbootscript; then " \
"run bootscript; " \
"else " \
"if run loaduimage; then " \
"run mmcboot; " \
"else run nandboot; " \
"fi; " \
"fi; " \
"else run nandboot; fi"
#define CONFIG_AUTO_COMPLETE 1
/*
* Miscellaneous configurable options
*/
#define V_PROMPT "Overo # "
#define CONFIG_SYS_LONGHELP /* undef to save memory */
#define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */
#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
#define CONFIG_SYS_PROMPT V_PROMPT
#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
/* Print Buffer Size */
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
sizeof(CONFIG_SYS_PROMPT) + 16)
#define CONFIG_SYS_MAXARGS 16 /* max number of command */
/* args */
/* Boot Argument Buffer Size */
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
/* memtest works on */
#define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0)
#define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \
0x01F00000) /* 31MB */
#define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default load */
/* address */
/*
* 2430 has 12 GP timers, they can be driven by the SysClk (12/13/19.2) or by
* 32KHz clk, or from external sig. This rate is divided by a local divisor.
*/
#define CONFIG_SYS_TIMERBASE (OMAP34XX_GPT2)
#define CONFIG_SYS_PTV 7 /* 2^(PTV+1) */
#define CONFIG_SYS_HZ ((V_SCLK) / (2 << CONFIG_SYS_PTV))
/*-----------------------------------------------------------------------
* Stack sizes
*
* The stack sizes are set up in start.S using the settings below
*/
#define CONFIG_STACKSIZE SZ_128K /* regular stack */
#ifdef CONFIG_USE_IRQ
#define CONFIG_STACKSIZE_IRQ SZ_4K /* IRQ stack */
#define CONFIG_STACKSIZE_FIQ SZ_4K /* FIQ stack */
#endif
/*-----------------------------------------------------------------------
* Physical Memory Map
*/
#define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */
#define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0
#define PHYS_SDRAM_1_SIZE SZ_32M /* at least 32 meg */
#define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1
/* SDRAM Bank Allocation method */
#define SDRC_R_B_C 1
/*-----------------------------------------------------------------------
* FLASH and environment organization
*/
/* **** PISMO SUPPORT *** */
/* Configure the PISMO */
#define PISMO1_NAND_SIZE GPMC_SIZE_128M
#define PISMO1_ONEN_SIZE GPMC_SIZE_128M
#define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors on */
/* one chip */
#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */
#define CONFIG_SYS_MONITOR_LEN SZ_256K /* Reserve 2 sectors */
#define CONFIG_SYS_FLASH_BASE boot_flash_base
/* Monitor at start of flash */
#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
#define CONFIG_SYS_ONENAND_BASE ONENAND_MAP
#define CONFIG_ENV_IS_IN_NAND 1
#define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */
#define SMNAND_ENV_OFFSET 0x240000 /* environment starts here */
#define CONFIG_SYS_ENV_SECT_SIZE boot_flash_sec
#define CONFIG_ENV_OFFSET boot_flash_off
#define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET
/*-----------------------------------------------------------------------
* CFI FLASH driver setup
*/
/* timeout values are in ticks */
#define CONFIG_SYS_FLASH_ERASE_TOUT (100 * CONFIG_SYS_HZ)
#define CONFIG_SYS_FLASH_WRITE_TOUT (100 * CONFIG_SYS_HZ)
/* Flash banks JFFS2 should use */
#define CONFIG_SYS_MAX_MTD_BANKS (CONFIG_SYS_MAX_FLASH_BANKS + \
CONFIG_SYS_MAX_NAND_DEVICE)
#define CONFIG_SYS_JFFS2_MEM_NAND
/* use flash_info[2] */
#define CONFIG_SYS_JFFS2_FIRST_BANK CONFIG_SYS_MAX_FLASH_BANKS
#define CONFIG_SYS_JFFS2_NUM_BANKS 1
#ifndef __ASSEMBLY__
extern gpmc_csx_t *nand_cs_base;
extern gpmc_t *gpmc_cfg_base;
extern unsigned int boot_flash_base;
extern volatile unsigned int boot_flash_env_addr;
extern unsigned int boot_flash_off;
extern unsigned int boot_flash_sec;
extern unsigned int boot_flash_type;
#endif
#define WRITE_NAND_COMMAND(d, adr)\
writel(d, &nand_cs_base->nand_cmd)
#define WRITE_NAND_ADDRESS(d, adr)\
writel(d, &nand_cs_base->nand_adr)
#define WRITE_NAND(d, adr) writew(d, &nand_cs_base->nand_dat)
#define READ_NAND(adr) readl(&nand_cs_base->nand_dat)
/* Other NAND Access APIs */
#define NAND_WP_OFF() do {readl(&gpmc_cfg_base->config) |= GPMC_CONFIG_WP; } \
while (0)
#define NAND_WP_ON() do {readl(&gpmc_cfg_base->config) &= ~GPMC_CONFIG_WP; } \
while (0)
#define NAND_DISABLE_CE(nand)
#define NAND_ENABLE_CE(nand)
#define NAND_WAIT_READY(nand) udelay(10)
#endif /* __CONFIG_H */
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