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https://github.com/brain-hackers/u-boot-brain
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b80a660338
GPMC controller needs to be configured based on bus-width of the NAND device
connected to it. Also, dynamic detection of NAND bus-width from on-chip ONFI
parameters is not possible in following situations:
SPL: SPL NAND drivers does not support ONFI parameter reading.
U-boot: GPMC controller iniitalization is done in omap_gpmc.c:board_nand_init()
which is called before probing for devices, hence any ONFI parameter
information is not available during GPMC initialization.
Thus, OMAP NAND driver expected board developers to explicitely write GPMC
configurations specific to NAND device attached on board in board files itself.
But this was troublesome for board manufacturers as they need to dive into
lengthy platform & SoC documents to find details of GPMC registers and
appropriate configurations to get NAND device working.
This patch instead adds existing CONFIG_SYS_NAND_BUSWIDTH_16BIT to board config
hich indicates that connected NAND device has x16 bus-width. And then based on
this config GPMC driver itself initializes itself based on NAND bus-width. This
keeps board developers free from knowing GPMC controller specific internals.
Signed-off-by: Pekon Gupta <pekon@ti.com>
200 lines
5.4 KiB
C
200 lines
5.4 KiB
C
/*
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* (C) Copyright 2006-2008
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* Texas Instruments.
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* Richard Woodruff <r-woodruff2@ti.com>
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* Syed Mohammed Khasim <x0khasim@ti.com>
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* Nishanth Menon <nm@ti.com>
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*
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* Configuration settings for the TI OMAP3430 Zoom MDK board.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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/*
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* High Level Configuration Options
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*/
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#define CONFIG_OMAP3_ZOOM1 1 /* working with Zoom MDK Rev1 */
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#define CONFIG_SYS_GENERIC_BOARD
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#define CONFIG_NAND
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#define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */
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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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#include <configs/ti_omap3_common.h>
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/* Remove SPL boot option - we do not support that on LDP yet */
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#undef CONFIG_SPL
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#undef CONFIG_SPL_FRAMEWORK
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#undef CONFIG_SPL_OS_BOOT
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/* Generic NAND definition conflicts with debug_base */
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#undef CONFIG_SYS_NAND_BASE
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/*
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* Display CPU and Board information
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*/
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#define CONFIG_DISPLAY_CPUINFO 1
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#define CONFIG_DISPLAY_BOARDINFO 1
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#define CONFIG_MISC_INIT_R
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#define CONFIG_REVISION_TAG 1
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#define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB */
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/*
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* Hardware drivers
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*/
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/* USB */
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#define CONFIG_MUSB_UDC 1
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#define CONFIG_USB_OMAP3 1
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#define CONFIG_TWL4030_USB 1
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/* USB device configuration */
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#define CONFIG_USB_DEVICE 1
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#define CONFIG_USB_TTY 1
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#define CONFIG_SYS_CONSOLE_IS_IN_ENV 1
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/* Change these to suit your needs */
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#define CONFIG_USBD_VENDORID 0x0451
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#define CONFIG_USBD_PRODUCTID 0x5678
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#define CONFIG_USBD_MANUFACTURER "Texas Instruments"
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#define CONFIG_USBD_PRODUCT_NAME "Zoom1"
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#define MTDIDS_DEFAULT "nand0=nand"
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#define MTDPARTS_DEFAULT "mtdparts=nand:512k(x-loader),"\
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"1920k(u-boot),128k(u-boot-env),"\
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"4m(kernel),-(fs)"
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#if defined(CONFIG_CMD_NAND)
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#define CONFIG_CMD_NAND_LOCK_UNLOCK /* Enable lock/unlock support */
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#endif
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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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#define CONFIG_CMD_NET /* bootp, tftpboot, rarpboot */
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#define CONFIG_CMD_NFS /* NFS support */
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#define CONFIG_CMD_PING
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#define CONFIG_CMD_DHCP
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#undef CONFIG_SYS_I2C_OMAP24XX
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#define CONFIG_SYS_I2C_OMAP34XX
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/*
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* TWL4030
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*/
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#define CONFIG_TWL4030_LED 1
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/*
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* Board NAND Info.
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*/
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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 at */
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/* CS0 */
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#define CONFIG_SYS_NAND_BUSWIDTH_16BIT 16
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/* Environment information */
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"loadaddr=0x82000000\0" \
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"fdtaddr=0x80f80000\0" \
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"bootfile=uImage\0" \
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"fdtfile=omap3-ldp.dtb\0" \
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"bootdir=/\0" \
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"bootpart=0:1\0" \
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"usbtty=cdc_acm\0" \
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"console=ttyO2,115200n8\0" \
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"mmcdev=0\0" \
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"videomode=1024x768@60,vxres=1024,vyres=768\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},mode:${videomode} " \
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"root=/dev/mmcblk0p2 rw " \
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"rootfstype=ext3 rootwait\0" \
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"nandargs=setenv bootargs console=${console} " \
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"video=${videospec},mode:${videomode} " \
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"root=/dev/mtdblock4 rw " \
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"rootfstype=jffs2\0" \
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"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
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"bootscript=echo Running bootscript from mmc ...; " \
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"source ${loadaddr}\0" \
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"loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
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"loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
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"loadzimage=setenv bootfile zImage; if run loadimage; then run loadfdt;fi\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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"mmczboot=echo Booting from mmc ...; " \
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"run mmcargs; " \
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"bootz ${loadaddr} - ${fdtaddr}\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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"mmc dev ${mmcdev}; if mmc rescan; 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 loadimage; then " \
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"run mmcboot; " \
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"else if run loadzimage; then " \
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"run mmczboot; " \
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"else run nandboot; " \
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"fi; fi;" \
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"fi; " \
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"else run nandboot; fi"
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/*
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* Miscellaneous configurable options
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*/
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#define CONFIG_SYS_MEMTEST_START (PHYS_SDRAM_1) /* memtest */
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#define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_2 + \
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0x01F00000) /* 31MB */
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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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#if defined(CONFIG_CMD_NAND)
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#define CONFIG_SYS_FLASH_BASE PISMO1_NAND_BASE
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#endif
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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 0x260000 /* environment starts here */
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#define SMNAND_ENV_OFFSET 0x260000 /* environment starts here */
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#define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
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#define CONFIG_ENV_OFFSET SMNAND_ENV_OFFSET
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#define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET
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#define CONFIG_SYS_CACHELINE_SIZE 64
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#ifdef CONFIG_CMD_NET
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/* Ethernet (LAN9211 from SMSC9118 family) */
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#define CONFIG_SMC911X
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#define CONFIG_SMC911X_32_BIT
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#define CONFIG_SMC911X_BASE DEBUG_BASE
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#endif
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#endif /* __CONFIG_H */
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