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/*
* (C) Copyright 2004
* Texas Instruments.
* Richard Woodruff <r-woodruff2@ti.com>
* Kshitij Gupta <kshitij@ti.com>
*
* Configuration settings for the 242x TI H4 board.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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
/*
* High Level Configuration Options
*/
#define CONFIG_ARM1136 1 /* This is an arm1136 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP2420 1 /* which is in a 2420 */
#define CONFIG_OMAP2420H4 1 /* and on a H4 board */
/*#define CONFIG_APTIX 1 #* define if on APTIX test chip */
/*#define CONFIG_VIRTIO 1 #* Using Virtio simulator */
/* Clock config to target*/
#define PRCM_CONFIG_II 1
/*#define PRCM_CONFIG_III 1 */
/* Memory configuration on board */
/*#define CONFIG_OPTIMIZE_DDR 1 */
#include <asm/arch/omap2420.h> /* get chip and board defs */
/* On H4, NOR and NAND flash are mutual exclusive.
Define this if you want to use NAND
*/
/*#define CFG_NAND_BOOT */
#ifdef CONFIG_APTIX
#define V_SCLK 1500000
#else
#define V_SCLK 12000000
#endif
/* input clock of PLL */
/* the OMAP2420 H4 has 12MHz, 13MHz, or 19.2Mhz crystal input */
#define CONFIG_SYS_CLK_FREQ V_SCLK
#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 CFG_ENV_SIZE SZ_128K /* Total Size of Environment Sector */
#define CFG_MALLOC_LEN (CFG_ENV_SIZE + SZ_128K)
#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
/*
* Hardware drivers
*/
/*
* SMC91c96 Etherent
*/
#define CONFIG_DRIVER_LAN91C96
#define CONFIG_LAN91C96_BASE (H4_CS1_BASE+0x300)
#define CONFIG_LAN91C96_EXT_PHY
/*
* NS16550 Configuration
*/
#ifdef CONFIG_APTIX
#define V_NS16550_CLK (6000000) /* 6MHz in current MaxSet */
#else
#define V_NS16550_CLK (48000000) /* 48MHz (APLL96/2) */
#endif
#define CFG_NS16550
#define CFG_NS16550_SERIAL
#define CFG_NS16550_REG_SIZE (-4)
#define CFG_NS16550_CLK V_NS16550_CLK /* 3MHz (1.5MHz*2) */
#define CFG_NS16550_COM1 OMAP2420_UART1
/*
* select serial console configuration
*/
#define CONFIG_SERIAL1 1 /* UART1 on H4 */
/*
* I2C configuration
*/
#define CONFIG_HARD_I2C
#define CFG_I2C_SPEED 100000
#define CFG_I2C_SLAVE 1
#define CONFIG_DRIVER_OMAP24XX_I2C
/* allow to overwrite serial and ethaddr */
#define CONFIG_ENV_OVERWRITE
#define CONFIG_CONS_INDEX 1
#define CONFIG_BAUDRATE 115200
#define CFG_BAUDRATE_TABLE {9600, 19200, 38400, 57600, 115200}
#ifdef CFG_NAND_BOOT
#define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_DHCP | CFG_CMD_I2C | CFG_CMD_NAND | CFG_CMD_JFFS2)
#else
#define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_DHCP | CFG_CMD_I2C | CFG_CMD_JFFS2)
#endif
/* I'd like to get to these. Snap kernel loads if we make MMC go */
/* #define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_NAND | CFG_CMD_JFFS2 | CFG_CMD_DHCP | CFG_CMD_MMC | CFG_CMD_FAT | CFG_CMD_I2C) */
#define CONFIG_BOOTP_MASK CONFIG_BOOTP_DEFAULT
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
/*
* Board NAND Info.
*/
#define CFG_NAND_ADDR 0x04000000 /* physical address to access nand at CS0*/
#define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */
#define SECTORSIZE 512
#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 WRITE_NAND_COMMAND(d, adr) do {*(volatile u16 *)0x6800A07C = d;} while(0)
#define WRITE_NAND_ADDRESS(d, adr) do {*(volatile u16 *)0x6800A080 = d;} while(0)
#define WRITE_NAND(d, adr) do {*(volatile u16 *)0x6800A084 = d;} while(0)
#define READ_NAND(adr) (*(volatile u16 *)0x6800A084)
#define NAND_WAIT_READY(nand) udelay(10)
#define NAND_NO_RB 1
#define CFG_NAND_WP
#define NAND_WP_OFF() do {*(volatile u32 *)(0x6800A050) |= 0x00000010;} while(0)
#define NAND_WP_ON() do {*(volatile u32 *)(0x6800A050) &= ~0x00000010;} while(0)
#define NAND_CTL_CLRALE(nandptr)
#define NAND_CTL_SETALE(nandptr)
#define NAND_CTL_CLRCLE(nandptr)
#define NAND_CTL_SETCLE(nandptr)
#define NAND_DISABLE_CE(nand)
#define NAND_ENABLE_CE(nand)
#define CONFIG_BOOTDELAY 3
#ifdef NFS_BOOT_DEFAULTS
#define CONFIG_BOOTARGS "mem=32M console=ttyS0,115200n8 noinitrd root=/dev/nfs rw nfsroot=128.247.77.158:/home/a0384864/wtbu/rootfs ip=dhcp"
#else
#define CONFIG_BOOTARGS "root=/dev/ram0 rw mem=32M console=ttyS0,115200n8 initrd=0x80600000,8M ramdisk_size=8192"
#endif
#define CONFIG_NETMASK 255.255.254.0
#define CONFIG_IPADDR 128.247.77.90
#define CONFIG_SERVERIP 128.247.77.158
#define CONFIG_BOOTFILE "uImage"
/*
* Miscellaneous configurable options
*/
#ifdef CONFIG_APTIX
#define V_PROMPT "OMAP2420 Aptix # "
#else
#define V_PROMPT "OMAP242x H4 # "
#endif
#define CFG_LONGHELP /* undef to save memory */
#define CFG_PROMPT V_PROMPT
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
/* Print Buffer Size */
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16)
#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CFG_MEMTEST_START (OMAP2420_SDRC_CS0) /* memtest works on */
#define CFG_MEMTEST_END (OMAP2420_SDRC_CS0+SZ_31M)
#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
#define CFG_LOAD_ADDR (OMAP2420_SDRC_CS0) /* default load address */
/* The 2420 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.
*/
#ifdef CONFIG_APTIX
#define V_PVT 3
#else
#define V_PVT 7 /* use with 12MHz/128 */
#endif
#define CFG_TIMERBASE OMAP2420_GPT2
#define CFG_PVT V_PVT /* 2^(pvt+1) */
#define CFG_HZ ((CONFIG_SYS_CLK_FREQ)/(2 << CFG_PVT))
/*-----------------------------------------------------------------------
* 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 OMAP2420_SDRC_CS0
#define PHYS_SDRAM_1_SIZE SZ_32M /* at least 32 meg */
#define PHYS_SDRAM_2 OMAP2420_SDRC_CS1
#define PHYS_FLASH_1 H4_CS0_BASE /* Flash Bank #1 */
#define PHYS_FLASH_SIZE_1 SZ_32M
#define PHYS_FLASH_2 (H4_CS0_BASE+SZ_32M) /* same cs, 2 chips in series */
#define PHYS_FLASH_SIZE_2 SZ_32M
#define CFG_FLASH_BASE PHYS_FLASH_1
/*-----------------------------------------------------------------------
* FLASH and environment organization
*/
#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
#define CFG_MAX_FLASH_SECT (259) /* max number of sectors on one chip */
#ifdef CFG_NAND_BOOT
#define CFG_ENV_IS_IN_NAND 1
#define CFG_ENV_OFFSET 0x80000 /* environment starts here */
#else
#define CFG_ENV_ADDR (CFG_FLASH_BASE + SZ_128K)
#define CFG_ENV_IS_IN_FLASH 1
#endif
/* timeout values are in ticks */
#define CFG_FLASH_ERASE_TOUT (30*75*CFG_HZ) /* Timeout for Flash Erase */
#define CFG_FLASH_WRITE_TOUT (30*75*CFG_HZ) /* Timeout for Flash Write */
#define CFG_JFFS2_MEM_NAND
/*
* JFFS2 partitions
*/
/* No command line, one static partition, whole device */
#undef CONFIG_JFFS2_CMDLINE
#define CONFIG_JFFS2_DEV "nor1"
#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF
#define CONFIG_JFFS2_PART_OFFSET 0x00000000
/* mtdparts command line support */
/* Note: fake mtd_id used, no linux mtd map file */
/*
#define CONFIG_JFFS2_CMDLINE
#define MTDIDS_DEFAULT "nor1=omap2420-1"
#define MTDPARTS_DEFAULT "mtdparts=omap2420-1:-(jffs2)"
*/
#endif /* __CONFIG_H */
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