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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 PHYS_SDRAM_1			0x40000000	/* Base address */
20 #define PHYS_SDRAM_1_SIZE		0x40000000	/* Max 1 GB RAM */
21 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
22 
23 /* Environment */
24 
25 /* Environment is in MMC */
26 #if defined(CONFIG_CMD_MMC) && defined(CONFIG_ENV_IS_IN_MMC)
27 #define CONFIG_SYS_MMC_ENV_DEV		0
28 #endif
29 
30 /* Boot Linux */
31 #define CONFIG_LOADADDR		0x42000000
32 #define CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
33 
34 /* Extra Environment */
35 #define CONFIG_EXTRA_ENV_SETTINGS \
36 	"fdt_addr=0x41000000\0" \
37 	"loadkernel=load mmc ${mmcdev}:${mmcpart} ${loadaddr} zImage\0" \
38 	"loadfdt=load mmc ${mmcdev}:${mmcpart} ${fdt_addr} imx28-ts4600.dtb\0" \
39 	"loadbootscript=load mmc ${mmcdev}:${mmcpart} ${loadaddr} boot.ub\0" \
40 	"bootscript=echo Running bootscript from mmc...; " \
41 		"setenv mmcdev 0; " \
42 		"setenv mmcpart 2; " \
43 		"run loadbootscript && source ${loadaddr}; \0" \
44 	"sdboot=echo Booting from SD card ...; " \
45 		"setenv mmcdev 0; " \
46 		"setenv mmcpart 2; " \
47 		"setenv root /dev/mmcblk0p3; " \
48 		"run loadkernel && run loadfdt; \0" \
49 	"startbootsequence=run bootscript || run sdboot \0" \
50 
51 #define CONFIG_BOOTCOMMAND \
52 	"mmc rescan; " \
53 	"run startbootsequence; " \
54 	"setenv cmdline_append console=ttyAMA0,115200; " \
55 	"setenv bootargs root=${root} rootwait rw ${cmdline_append}; " \
56 	"bootz ${loadaddr} - ${fdt_addr}; "
57 
58 /* The rest of the configuration is shared */
59 #include <configs/mxs.h>
60 
61 #endif /* __CONFIGS_TS4600_H__ */
62