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https://github.com/brain-hackers/u-boot-brain
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![Ash Charles](/assets/img/avatar_default.png)
This adds the Gumstix Pepper[1] single-board computer based on the TI AM335x processor. Schematics are available [2]. [1] https://store.gumstix.com/index.php/products/344/ [2] https://pubs.gumstix.com/boards/PEPPER/ Signed-off-by: Ash Charles <ash@gumstix.com> [trini: Move 'cdev' in board.c down to under #ifdef's where it's used] Signed-off-by: Tom Rini <trini@ti.com>
100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
/*
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* Copyright (C) 2013 Gumstix, Inc. - http://www.gumstix.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_PEPPER_H
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#define __CONFIG_PEPPER_H
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#define CONFIG_MMC
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#include <configs/ti_am335x_common.h>
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#undef CONFIG_BOARD_LATE_INIT
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#undef CONFIG_SPL_OS_BOOT
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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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#undef CONFIG_SYS_PROMPT
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#define CONFIG_SYS_PROMPT "pepper# "
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/* Mach type */
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#define MACH_TYPE_PEPPER 4207 /* Until the next sync */
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#define CONFIG_MACH_TYPE MACH_TYPE_PEPPER
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#define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB */
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#define CONFIG_ENV_IS_NOWHERE
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/* Display cpuinfo */
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#define CONFIG_DISPLAY_CPUINFO
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#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
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#define CONFIG_EXTRA_ENV_SETTINGS \
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DEFAULT_LINUX_BOOT_ENV \
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"bootdir=/boot\0" \
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"bootfile=zImage\0" \
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"fdtfile=am335x-pepper.dtb\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=ext3 rootwait\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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"mmcload=load mmc ${mmcdev}:2 ${loadaddr} ${bootdir}/${bootfile}; " \
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"load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${fdtfile}\0" \
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"loaduimage=fatload mmc ${mmcdev}:1 ${loadaddr} uImage\0" \
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"uimageboot=echo Booting from mmc${mmcdev} ...; " \
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"run mmcargs; " \
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"bootm ${loadaddr}\0" \
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"mmcboot=echo Booting from mmc ...; " \
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"run mmcargs; " \
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"bootz ${loadaddr} - ${fdtaddr}\0" \
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"ubiboot=echo Booting from nand (ubifs) ...; " \
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"run ubiargs; run ubiload; " \
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"bootz ${loadaddr} - ${fdtaddr}\0" \
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#define CONFIG_BOOTCOMMAND \
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"mmc dev ${mmcdev}; 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 $uenvcmd; then " \
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"echo Running uenvcmd ...;" \
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"run uenvcmd;" \
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"fi;" \
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"if run mmcload; then " \
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"run mmcboot;" \
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"fi;" \
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"if run loaduimage; then " \
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"run uimageboot;" \
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"fi;" \
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"fi;" \
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/* Serial console configuration */
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#define CONFIG_CONS_INDEX 1 /* UART0 */
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#define CONFIG_SERIAL1 1
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#define CONFIG_SYS_NS16550_COM1 0x44e09000
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/* Ethernet support */
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#define CONFIG_PHY_GIGE
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#define CONFIG_PHYLIB
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#define CONFIG_PHY_ADDR 0
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#define CONFIG_PHY_MICREL
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#define CONFIG_PHY_MICREL_KSZ9021
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#define CONFIG_PHY_RESET_DELAY 1000
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/* SPL */
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#define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds"
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#endif /* __CONFIG_PEPPER_H */
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