1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2016 Savoir-faire Linux Inc. 4 * 5 * Author: Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com> 6 * 7 * Derived from MX28EVK code by 8 * Fabio Estevam <fabio.estevam@freescale.com> 9 * Freescale Semiconductor, Inc. 10 * 11 * Configuration settings for the TS4600 Board 12 */ 13 #ifndef __CONFIGS_TS4600_H__ 14 #define __CONFIGS_TS4600_H__ 15 16 /* U-Boot Commands */ 17 18 /* Memory configuration */ 19 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 20 #define PHYS_SDRAM_1 0x40000000 /* Base address */ 21 #define PHYS_SDRAM_1_SIZE 0x40000000 /* Max 1 GB RAM */ 22 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 23 24 /* Environment */ 25 #define CONFIG_ENV_SIZE (8 * 1024) 26 27 /* Environment is in MMC */ 28 #if defined(CONFIG_CMD_MMC) && defined(CONFIG_ENV_IS_IN_MMC) 29 #define CONFIG_ENV_OFFSET (256 * 1024) 30 #define CONFIG_SYS_MMC_ENV_DEV 0 31 #endif 32 33 /* Boot Linux */ 34 #define CONFIG_LOADADDR 0x42000000 35 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 36 37 /* Extra Environment */ 38 #define CONFIG_EXTRA_ENV_SETTINGS \ 39 "fdt_addr=0x41000000\0" \ 40 "loadkernel=load mmc ${mmcdev}:${mmcpart} ${loadaddr} zImage\0" \ 41 "loadfdt=load mmc ${mmcdev}:${mmcpart} ${fdt_addr} imx28-ts4600.dtb\0" \ 42 "loadbootscript=load mmc ${mmcdev}:${mmcpart} ${loadaddr} boot.ub\0" \ 43 "bootscript=echo Running bootscript from mmc...; " \ 44 "setenv mmcdev 0; " \ 45 "setenv mmcpart 2; " \ 46 "run loadbootscript && source ${loadaddr}; \0" \ 47 "sdboot=echo Booting from SD card ...; " \ 48 "setenv mmcdev 0; " \ 49 "setenv mmcpart 2; " \ 50 "setenv root /dev/mmcblk0p3; " \ 51 "run loadkernel && run loadfdt; \0" \ 52 "startbootsequence=run bootscript || run sdboot \0" \ 53 54 #define CONFIG_BOOTCOMMAND \ 55 "mmc rescan; " \ 56 "run startbootsequence; " \ 57 "setenv cmdline_append console=ttyAMA0,115200; " \ 58 "setenv bootargs root=${root} rootwait rw ${cmdline_append}; " \ 59 "bootz ${loadaddr} - ${fdt_addr}; " 60 61 /* The rest of the configuration is shared */ 62 #include <configs/mxs.h> 63 64 #endif /* __CONFIGS_TS4600_H__ */ 65