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