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Sebastien Bourdelind9e268e2016-11-08 12:18:07 -05001/*
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#define CONFIG_DOS_PARTITION
23
24/* Memory configuration */
25#define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */
26#define PHYS_SDRAM_1 0x40000000 /* Base address */
27#define PHYS_SDRAM_1_SIZE 0x40000000 /* Max 1 GB RAM */
28#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
29
30/* Environment */
31#define CONFIG_ENV_SIZE (8 * 1024)
32
33/* Environment is in MMC */
34#if defined(CONFIG_CMD_MMC) && defined(CONFIG_ENV_IS_IN_MMC)
35#define CONFIG_ENV_OFFSET (256 * 1024)
36#define CONFIG_SYS_MMC_ENV_DEV 0
37#endif
38
39/* Boot Linux */
40#define CONFIG_LOADADDR 0x42000000
41#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
42
43/* Extra Environment */
44#define CONFIG_EXTRA_ENV_SETTINGS \
45 "fdt_addr=0x41000000\0" \
46 "loadkernel=load mmc ${mmcdev}:${mmcpart} ${loadaddr} zImage\0" \
47 "loadfdt=load mmc ${mmcdev}:${mmcpart} ${fdt_addr} imx28-ts4600.dtb\0" \
48 "loadbootscript=load mmc ${mmcdev}:${mmcpart} ${loadaddr} boot.ub\0" \
49 "bootscript=echo Running bootscript from mmc...; " \
50 "setenv mmcdev 0; " \
51 "setenv mmcpart 2; " \
52 "run loadbootscript && source ${loadaddr}; \0" \
53 "sdboot=echo Booting from SD card ...; " \
54 "setenv mmcdev 0; " \
55 "setenv mmcpart 2; " \
56 "setenv root /dev/mmcblk0p3; " \
57 "run loadkernel && run loadfdt; \0" \
58 "startbootsequence=run bootscript || run sdboot \0" \
59
60#define CONFIG_BOOTCOMMAND \
61 "mmc rescan; " \
62 "run startbootsequence; " \
63 "setenv cmdline_append console=ttyAMA0,115200; " \
64 "setenv bootargs root=${root} rootwait rw ${cmdline_append}; " \
65 "bootz ${loadaddr} - ${fdt_addr}; "
66
67/* The rest of the configuration is shared */
68#include <configs/mxs.h>
69
70#endif /* __CONFIGS_TS4600_H__ */