1 /* 2 * Copyright (C) 2013 Gumstix, Inc. - http://www.gumstix.com/ 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #ifndef __CONFIG_PEPPER_H 8 #define __CONFIG_PEPPER_H 9 10 #include <configs/ti_am335x_common.h> 11 12 /* Clock defines */ 13 #define V_OSCK 24000000 /* Clock output from T2 */ 14 #define V_SCLK (V_OSCK) 15 16 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 17 18 /* Mach type */ 19 #define CONFIG_MACH_TYPE MACH_TYPE_PEPPER 20 21 #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB */ 22 23 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 24 #define CONFIG_EXTRA_ENV_SETTINGS \ 25 DEFAULT_LINUX_BOOT_ENV \ 26 "bootdir=/boot\0" \ 27 "bootfile=zImage\0" \ 28 "fdtfile=am335x-pepper.dtb\0" \ 29 "console=ttyO0,115200n8\0" \ 30 "optargs=\0" \ 31 "mmcdev=0\0" \ 32 "mmcroot=/dev/mmcblk0p2 rw\0" \ 33 "mmcrootfstype=ext4 rootwait\0" \ 34 "mmcargs=setenv bootargs console=${console} " \ 35 "${optargs} " \ 36 "root=${mmcroot} " \ 37 "rootfstype=${mmcrootfstype}\0" \ 38 "bootenv=uEnv.txt\0" \ 39 "loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \ 40 "importbootenv=echo Importing environment from mmc ...; " \ 41 "env import -t ${loadaddr} ${filesize}\0" \ 42 "mmcload=load mmc ${mmcdev}:2 ${loadaddr} ${bootdir}/${bootfile}; " \ 43 "load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 44 "loaduimage=fatload mmc ${mmcdev}:1 ${loadaddr} uImage\0" \ 45 "uimageboot=echo Booting from mmc${mmcdev} ...; " \ 46 "run mmcargs; " \ 47 "bootm ${loadaddr}\0" \ 48 "mmcboot=echo Booting from mmc ...; " \ 49 "run mmcargs; " \ 50 "bootz ${loadaddr} - ${fdtaddr}\0" \ 51 "ubiboot=echo Booting from nand (ubifs) ...; " \ 52 "run ubiargs; run ubiload; " \ 53 "bootz ${loadaddr} - ${fdtaddr}\0" \ 54 55 #define CONFIG_BOOTCOMMAND \ 56 "mmc dev ${mmcdev}; if mmc rescan; then " \ 57 "echo SD/MMC found on device ${mmcdev};" \ 58 "if run loadbootenv; then " \ 59 "echo Loaded environment from ${bootenv};" \ 60 "run importbootenv;" \ 61 "fi;" \ 62 "if test -n $uenvcmd; then " \ 63 "echo Running uenvcmd ...;" \ 64 "run uenvcmd;" \ 65 "fi;" \ 66 "if run mmcload; then " \ 67 "run mmcboot;" \ 68 "fi;" \ 69 "if run loaduimage; then " \ 70 "run uimageboot;" \ 71 "fi;" \ 72 "fi;" \ 73 74 /* Serial console configuration */ 75 #define CONFIG_SERIAL1 1 76 #define CONFIG_SYS_NS16550_COM1 0x44e09000 77 78 /* Ethernet support */ 79 #define CONFIG_PHY_RESET_DELAY 1000 80 81 /* SPL */ 82 83 #endif /* __CONFIG_PEPPER_H */ 84