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https://github.com/AsahiLinux/u-boot
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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>
312 lines
9.2 KiB
C
312 lines
9.2 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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*
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* Configuration settings for the TI OMAP3530 Beagle 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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#define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */
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/*
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* 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
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* 64 bytes before this address should be set aside for u-boot.img's
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* header. That is 0x800FFFC0--0x80100000 should not be used for any
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* other needs. We use this rather than the inherited defines from
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* ti_armv7_common.h for backwards compatibility.
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*/
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#define CONFIG_SYS_TEXT_BASE 0x80100000
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#define CONFIG_SPL_BSS_START_ADDR 0x80000000
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#define CONFIG_SPL_BSS_MAX_SIZE (512 << 10) /* 512 KB */
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#define CONFIG_SYS_SPL_MALLOC_START 0x80208000
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#define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000
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#include <configs/ti_omap3_common.h>
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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_OVERWRITE
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/* Status LED */
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#define CONFIG_STATUS_LED 1
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#define CONFIG_BOARD_SPECIFIC_LED 1
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#define STATUS_LED_BIT 0x01
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#define STATUS_LED_STATE STATUS_LED_ON
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#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2)
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#define STATUS_LED_BIT1 0x02
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#define STATUS_LED_STATE1 STATUS_LED_ON
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#define STATUS_LED_PERIOD1 (CONFIG_SYS_HZ / 2)
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#define STATUS_LED_BOOT STATUS_LED_BIT
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#define STATUS_LED_GREEN STATUS_LED_BIT1
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/* Enable Multi Bus support for I2C */
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#define CONFIG_I2C_MULTI_BUS 1
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/* Probe all devices */
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#define CONFIG_SYS_I2C_NOPROBES {{0x0, 0x0}}
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/* USB */
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#define CONFIG_MUSB_GADGET
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#define CONFIG_USB_MUSB_OMAP2PLUS
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#define CONFIG_MUSB_PIO_ONLY
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#define CONFIG_USB_GADGET_DUALSPEED
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#define CONFIG_TWL4030_USB 1
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#define CONFIG_USB_ETHER
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#define CONFIG_USB_ETHER_RNDIS
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#define CONFIG_USB_GADGET
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#define CONFIG_USB_GADGET_VBUS_DRAW 0
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#define CONFIG_USBDOWNLOAD_GADGET
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#define CONFIG_G_DNL_VENDOR_NUM 0x0451
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#define CONFIG_G_DNL_PRODUCT_NUM 0xd022
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#define CONFIG_G_DNL_MANUFACTURER "TI"
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#define CONFIG_CMD_FASTBOOT
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#define CONFIG_ANDROID_BOOT_IMAGE
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#define CONFIG_USB_FASTBOOT_BUF_ADDR CONFIG_SYS_LOAD_ADDR
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#define CONFIG_USB_FASTBOOT_BUF_SIZE 0x07000000
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/* USB EHCI */
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#define CONFIG_CMD_USB
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#define CONFIG_USB_EHCI
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#define CONFIG_USB_EHCI_OMAP
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#define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO 147
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#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 3
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#define CONFIG_USB_HOST_ETHER
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#define CONFIG_USB_ETHER_ASIX
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#define CONFIG_USB_ETHER_MCS7830
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#define CONFIG_USB_ETHER_SMSC95XX
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/* GPIO banks */
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#define CONFIG_OMAP3_GPIO_5 /* GPIO128..159 is in GPIO bank 5 */
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#define CONFIG_OMAP3_GPIO_6 /* GPIO160..191 is in GPIO bank 6 */
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/* commands to include */
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#include <config_cmd_default.h>
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#define CONFIG_CMD_ASKENV
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#define CONFIG_CMD_CACHE
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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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#define CONFIG_USB_STORAGE /* USB storage support */
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#define CONFIG_CMD_NAND /* NAND support */
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#define CONFIG_CMD_LED /* LED support */
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#define CONFIG_CMD_SETEXPR /* Evaluate expressions */
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#define CONFIG_CMD_GPIO /* Enable gpio command */
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#define CONFIG_VIDEO_OMAP3 /* DSS Support */
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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_QUIET_TEST 1
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#define CONFIG_NAND_OMAP_GPMC
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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 CONFIG_EXTRA_ENV_SETTINGS \
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"loadaddr=0x80200000\0" \
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"rdaddr=0x81000000\0" \
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"fdt_high=0xffffffff\0" \
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"fdtaddr=0x80f80000\0" \
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"usbtty=cdc_acm\0" \
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"bootfile=uImage\0" \
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"ramdisk=ramdisk.gz\0" \
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"bootdir=/boot\0" \
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"bootpart=0:2\0" \
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"console=ttyO2,115200n8\0" \
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"mpurate=auto\0" \
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"buddy=none\0" \
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"optargs=\0" \
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"camera=none\0" \
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"vram=12M\0" \
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"dvimode=640x480MR-16@60\0" \
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"defaultdisplay=dvi\0" \
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"mmcdev=0\0" \
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"mmcroot=/dev/mmcblk0p2 rw\0" \
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"mmcrootfstype=ext3 rootwait\0" \
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"nandroot=ubi0:rootfs ubi.mtd=4\0" \
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"nandrootfstype=ubifs\0" \
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"ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=0x81000000,64M\0" \
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"ramrootfstype=ext2\0" \
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"mmcargs=setenv bootargs console=${console} " \
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"${optargs} " \
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"mpurate=${mpurate} " \
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"buddy=${buddy} "\
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"camera=${camera} "\
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"vram=${vram} " \
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"omapfb.mode=dvi:${dvimode} " \
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"omapdss.def_disp=${defaultdisplay} " \
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"root=${mmcroot} " \
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"rootfstype=${mmcrootfstype}\0" \
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"nandargs=setenv bootargs console=${console} " \
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"${optargs} " \
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"mpurate=${mpurate} " \
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"buddy=${buddy} "\
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"camera=${camera} "\
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"vram=${vram} " \
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"omapfb.mode=dvi:${dvimode} " \
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"omapdss.def_disp=${defaultdisplay} " \
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"root=${nandroot} " \
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"rootfstype=${nandrootfstype}\0" \
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"findfdt=" \
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"if test $beaglerev = AxBx; then " \
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"setenv fdtfile omap3-beagle.dtb; fi; " \
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"if test $beaglerev = Cx; then " \
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"setenv fdtfile omap3-beagle.dtb; fi; " \
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"if test $beaglerev = C4; then " \
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"setenv fdtfile omap3-beagle.dtb; fi; " \
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"if test $beaglerev = xMAB; then " \
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"setenv fdtfile omap3-beagle-xm-ab.dtb; fi; " \
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"if test $beaglerev = xMC; then " \
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"setenv fdtfile omap3-beagle-xm.dtb; fi; " \
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"if test $fdtfile = undefined; then " \
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"echo WARNING: Could not determine device tree to use; fi; \0" \
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"validatefdt=" \
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"if test $beaglerev = xMAB; then " \
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"if test ! -e mmc ${bootpart} ${bootdir}/${fdtfile}; then " \
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"setenv fdtfile omap3-beagle-xm.dtb; " \
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"fi; " \
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"fi; \0" \
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"bootenv=uEnv.txt\0" \
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"loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
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"importbootenv=echo Importing environment from mmc ...; " \
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"env import -t $loadaddr $filesize\0" \
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"ramargs=setenv bootargs console=${console} " \
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"${optargs} " \
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"mpurate=${mpurate} " \
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"buddy=${buddy} "\
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"vram=${vram} " \
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"omapfb.mode=dvi:${dvimode} " \
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"omapdss.def_disp=${defaultdisplay} " \
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"root=${ramroot} " \
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"rootfstype=${ramrootfstype}\0" \
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"loadramdisk=load mmc ${bootpart} ${rdaddr} ${bootdir}/${ramdisk}\0" \
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"loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
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"loadfdt=run validatefdt; load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
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"mmcboot=echo Booting from mmc ...; " \
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"run mmcargs; " \
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"bootm ${loadaddr}\0" \
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"mmcbootz=echo Booting with DT from mmc${mmcdev} ...; " \
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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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"ramboot=echo Booting from ramdisk ...; " \
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"run ramargs; " \
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"bootm ${loadaddr}\0" \
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"userbutton=if gpio input 173; then run userbutton_xm; " \
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"else run userbutton_nonxm; fi;\0" \
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"userbutton_xm=gpio input 4;\0" \
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"userbutton_nonxm=gpio input 7;\0"
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/* "run userbutton" will return 1 (false) if pressed and 0 (true) if not */
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#define CONFIG_BOOTCOMMAND \
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"run findfdt; " \
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"mmc dev ${mmcdev}; if mmc rescan; then " \
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"if run userbutton; then " \
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"setenv bootenv uEnv.txt;" \
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"else " \
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"setenv bootenv user.txt;" \
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"fi;" \
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"echo SD/MMC found on device ${mmcdev};" \
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"if run loadbootenv; then " \
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"echo Loaded environment from ${bootenv};" \
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"run importbootenv;" \
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"fi;" \
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"if test -n $uenvcmd; then " \
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"echo Running uenvcmd ...;" \
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"run uenvcmd;" \
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"fi;" \
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"if run loadimage; then " \
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"run mmcboot;" \
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"fi;" \
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"fi;" \
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"run nandboot;" \
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"setenv bootfile zImage;" \
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"if run loadimage; then " \
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"run loadfdt;" \
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"run mmcbootz; " \
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"fi; " \
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/*
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* OMAP3 has 12 GP timers, they can be driven by the system clock
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* (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
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* This rate is divided by a local divisor.
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*/
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#define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
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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 CONFIG_ENV_SIZE (128 << 10) /* 128 KiB */
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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_OMAP3_SPI
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#define CONFIG_SYS_CACHELINE_SIZE 64
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/* Defines for SPL */
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#define CONFIG_SPL_OMAP3_ID_NAND
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/* NAND boot config */
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#define CONFIG_SYS_NAND_BUSWIDTH_16BIT 16
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#define CONFIG_SYS_NAND_5_ADDR_CYCLE
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#define CONFIG_SYS_NAND_PAGE_COUNT 64
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#define CONFIG_SYS_NAND_PAGE_SIZE 2048
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#define CONFIG_SYS_NAND_OOBSIZE 64
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#define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024)
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#define CONFIG_SYS_NAND_BAD_BLOCK_POS 0
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#define CONFIG_SYS_NAND_ECCPOS {2, 3, 4, 5, 6, 7, 8, 9,\
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10, 11, 12, 13}
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#define CONFIG_SYS_NAND_ECCSIZE 512
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#define CONFIG_SYS_NAND_ECCBYTES 3
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#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_HAM1_CODE_HW
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#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
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#endif /* __CONFIG_H */
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