1 /* 2 * (C) Copyright 2016 Savoir-faire Linux Inc. 3 * 4 * Author: Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com> 5 * 6 * Derived from MX28EVK code by 7 * Fabio Estevam <fabio.estevam@freescale.com> 8 * Freescale Semiconductor, Inc. 9 * 10 * Configuration settings for the TS4600 Board 11 * 12 * SPDX-License-Identifier: GPL-2.0+ 13 */ 14 #ifndef __CONFIGS_TS4600_H__ 15 #define __CONFIGS_TS4600_H__ 16 17 /* System configurations */ 18 #define CONFIG_MX28 /* i.MX28 SoC */ 19 20 /* U-Boot Commands */ 21 #define CONFIG_SYS_NO_FLASH /* No NOR Flash */ 22 23 /* Memory configuration */ 24 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 25 #define PHYS_SDRAM_1 0x40000000 /* Base address */ 26 #define PHYS_SDRAM_1_SIZE 0x40000000 /* Max 1 GB RAM */ 27 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 28 29 /* Environment */ 30 #define CONFIG_ENV_SIZE (8 * 1024) 31 32 /* Environment is in MMC */ 33 #if defined(CONFIG_CMD_MMC) && defined(CONFIG_ENV_IS_IN_MMC) 34 #define CONFIG_ENV_OFFSET (256 * 1024) 35 #define CONFIG_SYS_MMC_ENV_DEV 0 36 #endif 37 38 /* Boot Linux */ 39 #define CONFIG_LOADADDR 0x42000000 40 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 41 42 /* Extra Environment */ 43 #define CONFIG_EXTRA_ENV_SETTINGS \ 44 "fdt_addr=0x41000000\0" \ 45 "loadkernel=load mmc ${mmcdev}:${mmcpart} ${loadaddr} zImage\0" \ 46 "loadfdt=load mmc ${mmcdev}:${mmcpart} ${fdt_addr} imx28-ts4600.dtb\0" \ 47 "loadbootscript=load mmc ${mmcdev}:${mmcpart} ${loadaddr} boot.ub\0" \ 48 "bootscript=echo Running bootscript from mmc...; " \ 49 "setenv mmcdev 0; " \ 50 "setenv mmcpart 2; " \ 51 "run loadbootscript && source ${loadaddr}; \0" \ 52 "sdboot=echo Booting from SD card ...; " \ 53 "setenv mmcdev 0; " \ 54 "setenv mmcpart 2; " \ 55 "setenv root /dev/mmcblk0p3; " \ 56 "run loadkernel && run loadfdt; \0" \ 57 "startbootsequence=run bootscript || run sdboot \0" \ 58 59 #define CONFIG_BOOTCOMMAND \ 60 "mmc rescan; " \ 61 "run startbootsequence; " \ 62 "setenv cmdline_append console=ttyAMA0,115200; " \ 63 "setenv bootargs root=${root} rootwait rw ${cmdline_append}; " \ 64 "bootz ${loadaddr} - ${fdt_addr}; " 65 66 /* The rest of the configuration is shared */ 67 #include <configs/mxs.h> 68 69 #endif /* __CONFIGS_TS4600_H__ */ 70