1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (C) 2016 Amarula Solutions B.V.
4  * Copyright (C) 2016 Engicam S.r.l.
5  *
6  * Configuration settings for the Engicam i.MX6 SOM Starter Kits.
7  */
8 
9 #ifndef __IMX6_ENGICAM_CONFIG_H
10 #define __IMX6_ENGICAM_CONFIG_H
11 
12 #include <linux/sizes.h>
13 #include "mx6_common.h"
14 
15 /* Size of malloc() pool */
16 #define CONFIG_SYS_MALLOC_LEN		(16 * SZ_1M)
17 
18 /* Total Size of Environment Sector */
19 #define CONFIG_ENV_SIZE			SZ_128K
20 
21 /* Allow to overwrite serial and ethaddr */
22 #define CONFIG_ENV_OVERWRITE
23 
24 /* Environment */
25 #ifndef CONFIG_ENV_IS_NOWHERE
26 /* Environment in MMC */
27 # if defined(CONFIG_ENV_IS_IN_MMC)
28 #  define CONFIG_ENV_OFFSET		0x100000
29 /* Environment in NAND */
30 # elif defined(CONFIG_ENV_IS_IN_NAND)
31 #  define CONFIG_ENV_OFFSET		0x400000
32 #  define CONFIG_ENV_SECT_SIZE		CONFIG_ENV_SIZE
33 # endif
34 #endif
35 
36 /* Default environment */
37 #define CONFIG_EXTRA_ENV_SETTINGS \
38 	"script=boot.scr\0" \
39 	"splashpos=m,m\0" \
40 	"image=uImage\0" \
41 	"fit_image=fit.itb\0" \
42 	"fdt_high=0xffffffff\0" \
43 	"fdt_addr=" FDT_ADDR "\0" \
44 	"boot_fdt=try\0" \
45 	"mmcpart=1\0" \
46 	"nandroot=ubi0:rootfs rootfstype=ubifs\0" \
47 	"mmcautodetect=yes\0" \
48 	"mmcargs=setenv bootargs console=${console},${baudrate} " \
49 		"root=${mmcroot}\0" \
50 	"ubiargs=setenv bootargs console=${console},${baudrate} " \
51 		"ubi.mtd=5 root=${nandroot} ${mtdparts}\0" \
52 	"loadbootscript=" \
53 		"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
54 	"bootscript=echo Running bootscript from mmc ...; " \
55 		"source\0" \
56 	"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
57 	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
58 	"loadfit=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${fit_image}\0" \
59 	"fitboot=echo Booting FIT image from mmc ...; " \
60 		"run mmcargs; " \
61 		"bootm ${loadaddr}\0" \
62 	"_mmcboot=run mmcargs; " \
63 		"run mmcargs; " \
64 		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
65 			"if run loadfdt; then " \
66 				"bootm ${loadaddr} - ${fdt_addr}; " \
67 			"else " \
68 				"if test ${boot_fdt} = try; then " \
69 					"bootm; " \
70 				"else " \
71 					"echo WARN: Cannot load the DT; " \
72 				"fi; " \
73 			"fi; " \
74 		"else " \
75 			"bootm; " \
76 		"fi\0" \
77 	"mmcboot=echo Booting from mmc ...; " \
78 		"if mmc rescan; then " \
79 			"if run loadbootscript; then " \
80 				"run bootscript; " \
81 			"else " \
82 				"if run loadfit; then " \
83 					"run fitboot; " \
84 				"else " \
85 					"if run loadimage; then " \
86 						"run _mmcboot; " \
87 					"fi; " \
88 				"fi; " \
89 			"fi; " \
90 		"fi\0" \
91 	"nandboot=echo Booting from nand ...; " \
92 		"if mtdparts; then " \
93 			"echo Starting nand boot ...; " \
94 		"else " \
95 			"mtdparts default; " \
96 		"fi; " \
97 		"run ubiargs; " \
98 		"nand read ${loadaddr} kernel 0x800000; " \
99 		"nand read ${fdt_addr} dtb 0x100000; " \
100 		"bootm ${loadaddr} - ${fdt_addr}\0"
101 
102 #define CONFIG_BOOTCOMMAND		"run $modeboot"
103 
104 /* Miscellaneous configurable options */
105 #define CONFIG_SYS_MEMTEST_START	0x80000000
106 #define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_MEMTEST_START + 0x8000000)
107 
108 #define CONFIG_SYS_LOAD_ADDR		CONFIG_LOADADDR
109 #define CONFIG_SYS_HZ			1000
110 
111 #ifdef CONFIG_MX6UL
112 # define DRAM_OFFSET(x)			0x87##x
113 # define FDT_ADDR			__stringify(DRAM_OFFSET(800000))
114 #else
115 # define DRAM_OFFSET(x)			0x1##x
116 # define FDT_ADDR			__stringify(DRAM_OFFSET(8000000))
117 #endif
118 
119 /* Physical Memory Map */
120 #define CONFIG_NR_DRAM_BANKS		1
121 #define PHYS_SDRAM			MMDC0_ARB_BASE_ADDR
122 
123 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM
124 #define CONFIG_SYS_INIT_RAM_ADDR	IRAM_BASE_ADDR
125 #define CONFIG_SYS_INIT_RAM_SIZE	IRAM_SIZE
126 
127 #define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_INIT_RAM_SIZE - \
128 					GENERATED_GBL_DATA_SIZE)
129 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
130 					CONFIG_SYS_INIT_SP_OFFSET)
131 
132 /* UART */
133 #ifdef CONFIG_MXC_UART
134 # ifdef CONFIG_MX6UL
135 #  define CONFIG_MXC_UART_BASE		UART1_BASE
136 # else
137 #  define CONFIG_MXC_UART_BASE		UART4_BASE
138 # endif
139 #endif
140 
141 /* MMC */
142 #ifdef CONFIG_FSL_USDHC
143 # define CONFIG_SYS_MMC_ENV_DEV		0
144 #endif
145 
146 /* NAND */
147 #ifdef CONFIG_NAND_MXS
148 # define CONFIG_SYS_MAX_NAND_DEVICE	1
149 # define CONFIG_SYS_NAND_BASE		0x40000000
150 # define CONFIG_SYS_NAND_5_ADDR_CYCLE
151 # define CONFIG_SYS_NAND_ONFI_DETECTION
152 # define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
153 # define CONFIG_SYS_NAND_U_BOOT_OFFS	0x200000
154 
155 /* MTD device */
156 # define CONFIG_MTD_DEVICE
157 # define CONFIG_MTD_PARTITIONS
158 #endif
159 
160 /* Ethernet */
161 #ifdef CONFIG_FEC_MXC
162 # ifdef CONFIG_TARGET_MX6Q_ICORE_RQS
163 #  define CONFIG_FEC_MXC_PHYADDR	3
164 #  define CONFIG_FEC_XCV_TYPE		RGMII
165 # else
166 #  define CONFIG_FEC_MXC_PHYADDR	0
167 #  define CONFIG_FEC_XCV_TYPE		RMII
168 # endif
169 
170 # define CONFIG_MII
171 #endif
172 
173 /* Falcon Mode */
174 #ifdef CONFIG_SPL_OS_BOOT
175 # define CONFIG_SPL_FS_LOAD_ARGS_NAME	"args"
176 # define CONFIG_SPL_FS_LOAD_KERNEL_NAME	"uImage"
177 # define CONFIG_CMD_SPL
178 # define CONFIG_SYS_SPL_ARGS_ADDR	0x18000000
179 # define CONFIG_CMD_SPL_WRITE_SIZE	(128 * SZ_1K)
180 
181 /* MMC support: args@1MB kernel@2MB */
182 # define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR		0x800   /* 1MB */
183 # define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS		(CONFIG_CMD_SPL_WRITE_SIZE / 512)
184 # define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR	0x1000  /* 2MB */
185 #endif
186 
187 /* Framebuffer */
188 #ifdef CONFIG_VIDEO_IPUV3
189 # define CONFIG_IMX_VIDEO_SKIP
190 
191 # define CONFIG_SPLASH_SCREEN
192 # define CONFIG_SPLASH_SCREEN_ALIGN
193 # define CONFIG_BMP_16BPP
194 # define CONFIG_VIDEO_BMP_RLE8
195 # define CONFIG_VIDEO_LOGO
196 # define CONFIG_VIDEO_BMP_LOGO
197 #endif
198 
199 /* SPL */
200 #ifdef CONFIG_SPL
201 # ifdef CONFIG_ENV_IS_IN_NAND
202 #  define CONFIG_SPL_NAND_SUPPORT
203 # else
204 #  define CONFIG_SPL_MMC_SUPPORT
205 # endif
206 
207 # include "imx6_spl.h"
208 #endif
209 
210 #endif /* __IMX6_ENGICAM_CONFIG_H */
211