mirror of
https://github.com/AsahiLinux/u-boot
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9f1a8cd33f
Add support for reading onboard EEPROM to enable board detection. Signed-off-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
145 lines
4 KiB
C
145 lines
4 KiB
C
/*
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* am43xx_evm.h
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*
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* Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __CONFIG_AM43XX_EVM_H
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#define __CONFIG_AM43XX_EVM_H
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#define CONFIG_AM43XX
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#define CONFIG_BOARD_LATE_INIT
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#define CONFIG_ARCH_CPU_INIT
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#define CONFIG_SYS_CACHELINE_SIZE 32
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#define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */
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#define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */
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#include <asm/arch/omap.h>
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/* NS16550 Configuration */
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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 48000000
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/* I2C Configuration */
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#define CONFIG_CMD_EEPROM
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#define CONFIG_ENV_EEPROM_IS_ON_I2C
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#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */
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#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
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#define CONFIG_SYS_I2C_MULTI_EEPROMS
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/* SPL defines. */
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#define CONFIG_SPL_TEXT_BASE 0x40300350
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#define CONFIG_SPL_MAX_SIZE (0x40337C00 - CONFIG_SPL_TEXT_BASE)
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#define CONFIG_SPL_YMODEM_SUPPORT
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/* Enabling L2 Cache */
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#define CONFIG_SYS_L2_PL310
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#define CONFIG_SYS_PL310_BASE 0x48242000
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#define CONFIG_SYS_CACHELINE_SIZE 32
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/*
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* Since SPL did pll and ddr initialization for us,
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* we don't need to do it twice.
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*/
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#if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT)
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#define CONFIG_SKIP_LOWLEVEL_INIT
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#endif
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/* Now bring in the rest of the common code. */
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#include <configs/ti_armv7_common.h>
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/* Always 128 KiB env size */
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#define CONFIG_ENV_SIZE (128 << 10)
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#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
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/* Clock Defines */
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#define V_OSCK 24000000 /* Clock output from T2 */
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#define V_SCLK (V_OSCK)
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/* NS16550 Configuration */
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#define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */
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#define CONFIG_ENV_IS_NOWHERE
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#define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/omap-common/u-boot-spl.lds"
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#define CONFIG_CMD_USB
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#define CONFIG_USB_HOST
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#define CONFIG_USB_XHCI
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#define CONFIG_USB_XHCI_OMAP
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#define CONFIG_USB_STORAGE
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#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS 2
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#define CONFIG_OMAP_USB_PHY
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#define CONFIG_AM437X_USB2PHY2_HOST
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#ifndef CONFIG_SPL_BUILD
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"loadaddr=0x80200000\0" \
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"fdtaddr=0x80F80000\0" \
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"fdt_high=0xffffffff\0" \
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"rdaddr=0x81000000\0" \
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"fdtfile=undefined\0" \
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"bootpart=0:2\0" \
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"bootdir=/boot\0" \
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"bootfile=zImage\0" \
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"console=ttyO0,115200n8\0" \
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"optargs=\0" \
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"mmcdev=0\0" \
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"mmcroot=/dev/mmcblk0p2 rw\0" \
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"mmcrootfstype=ext4 rootwait\0" \
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"ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},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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"root=${mmcroot} " \
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"rootfstype=${mmcrootfstype}\0" \
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"bootenv=uEnv.txt\0" \
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"loadbootenv=load 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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"${optargs} " \
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"root=${ramroot} " \
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"rootfstype=${ramrootfstype}\0" \
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"loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\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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"mmcboot=mmc dev ${mmcdev}; " \
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"if mmc rescan; then " \
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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 $uenvcmd; then " \
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"echo Running uenvcmd ...;" \
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"run uenvcmd;" \
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"fi;" \
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"if run loadimage; then " \
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"run loadfdt; " \
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"echo Booting from mmc${mmcdev} ...; " \
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"run mmcargs; " \
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"bootz ${loadaddr} - ${fdtaddr}; " \
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"fi;" \
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"fi;\0" \
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"findfdt="\
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"if test $board_name = AM43EPOS; then " \
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"setenv fdtfile am43x-epos-evm.dtb; fi; " \
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"if test $board_name = AM43__GP; then " \
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"setenv fdtfile am437x-gp-evm.dtb; fi; " \
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"if test $fdtfile = undefined; then " \
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"echo WARNING: Could not determine device tree; fi; \0"
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#define CONFIG_BOOTCOMMAND \
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"run findfdt; " \
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"run mmcboot;"
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#endif
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#endif /* __CONFIG_AM43XX_EVM_H */
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