mirror of
https://github.com/AsahiLinux/u-boot
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2be2c6cc67
Add Pandora support. Signed-off-by: Grazvydas Ignotas <notasas@gmail.com> Signed-off-by: Dirk Behme <dirk.behme@googlemail.com> Signed-off-by: Jason Kridner <jkridner@beagleboard.org>
320 lines
9.6 KiB
C
320 lines
9.6 KiB
C
/*
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* (C) Copyright 2008
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* Grazvydas Ignotas <notasas@gmail.com>
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*
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* Configuration settings for the OMAP3 Pandora.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (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., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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#include <asm/sizes.h>
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/*
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* High Level Configuration Options
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*/
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#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
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#define CONFIG_OMAP 1 /* in a TI OMAP core */
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#define CONFIG_OMAP34XX 1 /* which is a 34XX */
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#define CONFIG_OMAP3430 1 /* which is in a 3430 */
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#define CONFIG_OMAP3_PANDORA 1 /* working with pandora */
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#include <asm/arch/cpu.h> /* get chip and board defs */
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#include <asm/arch/omap3.h>
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/* Clock Defines */
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#define V_OSCK 26000000 /* Clock output from T2 */
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#define V_SCLK (V_OSCK >> 1)
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#undef CONFIG_USE_IRQ /* no support for IRQs */
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#define CONFIG_MISC_INIT_R
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#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
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#define CONFIG_SETUP_MEMORY_TAGS 1
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#define CONFIG_INITRD_TAG 1
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#define CONFIG_REVISION_TAG 1
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/*
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* Size of malloc() pool
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*/
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#define CONFIG_ENV_SIZE SZ_128K /* Total Size Environment */
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/* Sector */
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#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + SZ_128K)
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#define CONFIG_SYS_GBL_DATA_SIZE 128 /* bytes reserved for */
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/* initial data */
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/*
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* Hardware drivers
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*/
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/*
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* NS16550 Configuration
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*/
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#define V_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */
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#define CONFIG_SYS_NS16550
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#define CONFIG_SYS_NS16550_SERIAL
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#define CONFIG_SYS_NS16550_REG_SIZE (-4)
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#define CONFIG_SYS_NS16550_CLK V_NS16550_CLK
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/*
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* select serial console configuration
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*/
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#define CONFIG_CONS_INDEX 3
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#define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3
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#define CONFIG_SERIAL3 3
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/* allow to overwrite serial and ethaddr */
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#define CONFIG_ENV_OVERWRITE
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#define CONFIG_BAUDRATE 115200
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#define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600, \
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115200}
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#define CONFIG_MMC 1
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#define CONFIG_OMAP3_MMC 1
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#define CONFIG_DOS_PARTITION 1
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/* commands to include */
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#include <config_cmd_default.h>
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#define CONFIG_CMD_EXT2 /* EXT2 Support */
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#define CONFIG_CMD_FAT /* FAT support */
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#define CONFIG_CMD_JFFS2 /* JFFS2 Support */
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#define CONFIG_CMD_I2C /* I2C serial bus support */
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#define CONFIG_CMD_MMC /* MMC support */
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#define CONFIG_CMD_NAND /* NAND support */
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#undef CONFIG_CMD_FLASH /* flinfo, erase, protect */
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#undef CONFIG_CMD_FPGA /* FPGA configuration Support */
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#undef CONFIG_CMD_IMI /* iminfo */
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#undef CONFIG_CMD_IMLS /* List all found images */
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#undef CONFIG_CMD_NET /* bootp, tftpboot, rarpboot */
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#undef CONFIG_CMD_NFS /* NFS support */
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#define CONFIG_SYS_NO_FLASH
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#define CONFIG_SYS_I2C_SPEED 100000
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#define CONFIG_SYS_I2C_SLAVE 1
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#define CONFIG_SYS_I2C_BUS 0
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#define CONFIG_SYS_I2C_BUS_SELECT 1
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#define CONFIG_DRIVER_OMAP34XX_I2C 1
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/*
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* Board NAND Info.
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*/
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#define CONFIG_NAND_OMAP_GPMC
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#define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */
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/* to access nand */
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#define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */
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/* to access nand */
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/* at CS0 */
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#define GPMC_NAND_ECC_LP_x16_LAYOUT 1
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#define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */
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/* devices */
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#define SECTORSIZE 512
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#define NAND_ALLOW_ERASE_ALL
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#define ADDR_COLUMN 1
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#define ADDR_PAGE 2
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#define ADDR_COLUMN_PAGE 3
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#define NAND_ChipID_UNKNOWN 0x00
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#define NAND_MAX_FLOORS 1
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#define NAND_MAX_CHIPS 1
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#define NAND_NO_RB 1
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#define CONFIG_SYS_NAND_WP
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#define CONFIG_JFFS2_NAND
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/* nand device jffs2 lives on */
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#define CONFIG_JFFS2_DEV "nand0"
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/* start of jffs2 partition */
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#define CONFIG_JFFS2_PART_OFFSET 0x680000
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#define CONFIG_JFFS2_PART_SIZE 0xf980000 /* size of jffs2 */
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/* partition */
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/* Environment information */
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#define CONFIG_BOOTDELAY 1
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"loadaddr=0x82000000\0" \
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"console=ttyS0,115200n8\0" \
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"videospec=omapfb:vram:2M,vram:4M\0" \
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"mmcargs=setenv bootargs console=${console} " \
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"video=${videospec} " \
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"root=/dev/mmcblk0p2 rw " \
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"rootfstype=ext3 rootwait\0" \
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"nandargs=setenv bootargs console=${console} " \
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"video=${videospec} " \
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"root=/dev/mtdblock4 rw " \
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"rootfstype=jffs2\0" \
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"loadbootscript=fatload mmc 0 ${loadaddr} boot.scr\0" \
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"bootscript=echo Running bootscript from mmc ...; " \
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"autoscr ${loadaddr}\0" \
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"loaduimage=fatload mmc 0 ${loadaddr} uImage\0" \
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"mmcboot=echo Booting from mmc ...; " \
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"run mmcargs; " \
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"bootm ${loadaddr}\0" \
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"nandboot=echo Booting from nand ...; " \
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"run nandargs; " \
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"nand read ${loadaddr} 280000 400000; " \
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"bootm ${loadaddr}\0" \
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#define CONFIG_BOOTCOMMAND \
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"if mmcinit; then " \
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"if run loadbootscript; then " \
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"run bootscript; " \
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"else " \
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"if run loaduimage; then " \
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"run mmcboot; " \
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"else run nandboot; " \
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"fi; " \
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"fi; " \
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"else run nandboot; fi"
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#define CONFIG_AUTO_COMPLETE 1
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/*
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* Miscellaneous configurable options
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*/
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#define V_PROMPT "Pandora # "
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#define CONFIG_SYS_LONGHELP /* undef to save memory */
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#define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */
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#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
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#define CONFIG_SYS_PROMPT V_PROMPT
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#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
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/* Print Buffer Size */
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
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sizeof(CONFIG_SYS_PROMPT) + 16)
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#define CONFIG_SYS_MAXARGS 16 /* max number of command */
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/* args */
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/* Boot Argument Buffer Size */
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#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
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/* memtest works on */
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#define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0)
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#define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \
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0x01F00000) /* 31MB */
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#undef CONFIG_SYS_CLKS_IN_HZ /* everything, incl board info, */
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/* in Hz */
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#define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default load */
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/* address */
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/*
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* 2430 has 12 GP timers, they can be driven by the SysClk (12/13/19.2) or by
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* 32KHz clk, or from external sig. This rate is divided by a local divisor.
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*/
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#define V_PVT 7
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#define CONFIG_SYS_TIMERBASE (OMAP34XX_GPT2)
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#define CONFIG_SYS_PVT V_PVT /* 2^(pvt+1) */
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#define CONFIG_SYS_HZ ((V_SCLK) / (2 << CONFIG_SYS_PVT))
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/*-----------------------------------------------------------------------
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* Stack sizes
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*
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* The stack sizes are set up in start.S using the settings below
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*/
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#define CONFIG_STACKSIZE SZ_128K /* regular stack */
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#ifdef CONFIG_USE_IRQ
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#define CONFIG_STACKSIZE_IRQ SZ_4K /* IRQ stack */
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#define CONFIG_STACKSIZE_FIQ SZ_4K /* FIQ stack */
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#endif
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/*-----------------------------------------------------------------------
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* Physical Memory Map
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*/
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#define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */
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#define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0
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#define PHYS_SDRAM_1_SIZE SZ_32M /* at least 32 meg */
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#define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1
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/* SDRAM Bank Allocation method */
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#define SDRC_R_B_C 1
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/*-----------------------------------------------------------------------
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* FLASH and environment organization
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*/
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/* **** PISMO SUPPORT *** */
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/* Configure the PISMO */
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#define PISMO1_NAND_SIZE GPMC_SIZE_128M
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#define PISMO1_ONEN_SIZE GPMC_SIZE_128M
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#define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors on */
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/* one chip */
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#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */
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#define CONFIG_SYS_MONITOR_LEN SZ_256K /* Reserve 2 sectors */
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#define CONFIG_SYS_FLASH_BASE boot_flash_base
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/* Monitor at start of flash */
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#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
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#define CONFIG_SYS_ONENAND_BASE ONENAND_MAP
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#define CONFIG_ENV_IS_IN_NAND 1
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#define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */
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#define SMNAND_ENV_OFFSET 0x240000 /* environment starts here */
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#define CONFIG_SYS_ENV_SECT_SIZE boot_flash_sec
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#define CONFIG_ENV_OFFSET boot_flash_off
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#define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET
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/*-----------------------------------------------------------------------
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* CFI FLASH driver setup
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*/
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/* timeout values are in ticks */
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#define CONFIG_SYS_FLASH_ERASE_TOUT (100 * CONFIG_SYS_HZ)
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#define CONFIG_SYS_FLASH_WRITE_TOUT (100 * CONFIG_SYS_HZ)
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/* Flash banks JFFS2 should use */
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#define CONFIG_SYS_MAX_MTD_BANKS (CONFIG_SYS_MAX_FLASH_BANKS + \
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CONFIG_SYS_MAX_NAND_DEVICE)
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#define CONFIG_SYS_JFFS2_MEM_NAND
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/* use flash_info[2] */
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#define CONFIG_SYS_JFFS2_FIRST_BANK CONFIG_SYS_MAX_FLASH_BANKS
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#define CONFIG_SYS_JFFS2_NUM_BANKS 1
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#ifndef __ASSEMBLY__
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extern gpmc_csx_t *nand_cs_base;
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extern gpmc_t *gpmc_cfg_base;
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extern unsigned int boot_flash_base;
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extern volatile unsigned int boot_flash_env_addr;
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extern unsigned int boot_flash_off;
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extern unsigned int boot_flash_sec;
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extern unsigned int boot_flash_type;
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#endif
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#define WRITE_NAND_COMMAND(d, adr)\
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writel(d, &nand_cs_base->nand_cmd)
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#define WRITE_NAND_ADDRESS(d, adr)\
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writel(d, &nand_cs_base->nand_adr)
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#define WRITE_NAND(d, adr) writew(d, &nand_cs_base->nand_dat)
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#define READ_NAND(adr) readl(&nand_cs_base->nand_dat)
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/* Other NAND Access APIs */
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#define NAND_WP_OFF() do {readl(&gpmc_cfg_base->config) |= GPMC_CONFIG_WP; } \
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while (0)
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#define NAND_WP_ON() do {readl(&gpmc_cfg_base->config) &= ~GPMC_CONFIG_WP; } \
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while (0)
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#define NAND_DISABLE_CE(nand)
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#define NAND_ENABLE_CE(nand)
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#define NAND_WAIT_READY(nand) udelay(10)
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#endif /* __CONFIG_H */
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