1 /*
2  * (C) Copyright 2009 DENX Software Engineering
3  * Author: John Rigby <jrigby@gmail.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #ifndef __CONFIG_H
9 #define __CONFIG_H
10 
11 #include <asm/arch/imx-regs.h>
12 
13 /*
14  * KARO TX25 board - SoC Configuration
15  */
16 #define CONFIG_MX25
17 #define CONFIG_MX25_CLK32		32000	/* OSC32K frequency */
18 #define CONFIG_SYS_TIMER_RATE		CONFIG_MX25_CLK32
19 #define CONFIG_SYS_TIMER_COUNTER	\
20 	(&((struct gpt_regs *)IMX_GPT1_BASE)->counter)
21 
22 #define	CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* 256 kB for U-Boot */
23 
24 #define CONFIG_SPL_TARGET		"u-boot-with-spl.bin"
25 #define CONFIG_SPL_LDSCRIPT		"arch/$(ARCH)/cpu/u-boot-spl.lds"
26 #define CONFIG_SPL_MAX_SIZE		2048
27 #define CONFIG_SPL_NAND_SUPPORT
28 #define CONFIG_SPL_LIBGENERIC_SUPPORT
29 
30 #define CONFIG_SPL_TEXT_BASE		0x810c0000
31 #define CONFIG_SYS_TEXT_BASE		0x81200000
32 
33 #ifndef MACH_TYPE_TX25
34 #define MACH_TYPE_TX25	2177
35 #endif
36 
37 #define CONFIG_MACH_TYPE MACH_TYPE_TX25
38 
39 #ifdef CONFIG_SPL_BUILD
40 /* Start copying real U-boot from the second page */
41 #define CONFIG_SYS_NAND_U_BOOT_OFFS	CONFIG_SPL_PAD_TO
42 #define CONFIG_SYS_NAND_U_BOOT_SIZE	0x30000
43 
44 #define CONFIG_SYS_NAND_U_BOOT_DST      CONFIG_SYS_TEXT_BASE
45 #define CONFIG_SYS_NAND_U_BOOT_START    CONFIG_SYS_NAND_U_BOOT_DST
46 
47 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
48 #define CONFIG_SYS_NAND_OOBSIZE		64
49 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)
50 #define CONFIG_SYS_NAND_PAGE_COUNT	64
51 #define CONFIG_SYS_NAND_SIZE		(128 * 1024 * 1024)
52 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	0
53 #else
54 #define CONFIG_SKIP_LOWLEVEL_INIT
55 #endif
56 
57 #define CONFIG_DISPLAY_CPUINFO
58 
59 #define CONFIG_CMDLINE_TAG			/* enable passing of ATAGs */
60 #define CONFIG_SETUP_MEMORY_TAGS
61 #define CONFIG_INITRD_TAG
62 
63 /*
64  * Memory Info
65  */
66 /* malloc() len */
67 #define CONFIG_SYS_MALLOC_LEN		(1 << 20)	/* 1 MiB */
68 /*
69  * Board has 2 32MB banks of DRAM but there is a bug when using
70  * both so only the first is configured
71  */
72 #define CONFIG_NR_DRAM_BANKS	1
73 
74 #define PHYS_SDRAM_1		0x80000000
75 #define PHYS_SDRAM_1_SIZE	0x02000000
76 #if (CONFIG_NR_DRAM_BANKS == 2)
77 #define PHYS_SDRAM_2		0x90000000
78 #define PHYS_SDRAM_2_SIZE	0x02000000
79 #endif
80 /* 8MB DRAM test */
81 #define CONFIG_SYS_MEMTEST_START	PHYS_SDRAM_1
82 #define CONFIG_SYS_MEMTEST_END		(PHYS_SDRAM_1+0x0800000)
83 
84 /*
85  * Serial Info
86  */
87 #define CONFIG_MXC_UART
88 #define CONFIG_MXC_UART_BASE	UART1_BASE
89 #define CONFIG_CONS_INDEX	1	/* use UART0 for console */
90 #define CONFIG_BAUDRATE		115200	/* Default baud rate */
91 
92 #define CONFIG_MXC_GPIO
93 
94 /*
95  * Flash & Environment
96  */
97 /* No NOR flash present */
98 #define CONFIG_SYS_NO_FLASH
99 #define	CONFIG_ENV_IS_IN_NAND
100 #define	CONFIG_ENV_OFFSET	CONFIG_SYS_MONITOR_LEN
101 #define CONFIG_ENV_SIZE		(128 * 1024)	/* 128 kB NAND block size */
102 #define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
103 
104 /* NAND */
105 #define CONFIG_NAND_MXC
106 #define CONFIG_MXC_NAND_REGS_BASE	(0xBB000000)
107 #define CONFIG_SYS_MAX_NAND_DEVICE	1
108 #define CONFIG_SYS_NAND_BASE		(0xBB000000)
109 #define CONFIG_JFFS2_NAND
110 #define CONFIG_MXC_NAND_HWECC
111 #define CONFIG_SYS_NAND_LARGEPAGE
112 
113 /* U-Boot general configuration */
114 #define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size  */
115 /* Print buffer sz */
116 #define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE + \
117 		sizeof(CONFIG_SYS_PROMPT) + 16)
118 #define CONFIG_SYS_MAXARGS	32	/* max number of command args */
119 /* Boot Argument Buffer Size */
120 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE
121 #define CONFIG_CMDLINE_EDITING
122 #define CONFIG_SYS_LONGHELP
123 
124 /* U-Boot commands */
125 #define CONFIG_CMD_NAND
126 #define CONFIG_CMD_CACHE
127 
128 /*
129  * Ethernet
130  */
131 #define CONFIG_FEC_MXC
132 #define CONFIG_FEC_MXC_PHYADDR		0x1f
133 #define CONFIG_MII
134 #define CONFIG_BOARD_LATE_INIT
135 #define CONFIG_ENV_OVERWRITE
136 
137 #define CONFIG_BOOTDELAY	5
138 
139 #define CONFIG_LOADADDR		0x81000000	/* loadaddr env var */
140 #define CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
141 
142 #define	CONFIG_EXTRA_ENV_SETTINGS					\
143 	"netdev=eth0\0"							\
144 	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
145 		"nfsroot=${serverip}:${rootpath}\0"			\
146 	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
147 	"addip=setenv bootargs ${bootargs} "				\
148 		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
149 		":${hostname}:${netdev}:off panic=1\0"			\
150 	"addtty=setenv bootargs ${bootargs}"				\
151 		" console=ttymxc0,${baudrate}\0"			\
152 	"addmtd=setenv bootargs ${bootargs} ${mtdparts}\0"		\
153 	"addmisc=setenv bootargs ${bootargs}\0"				\
154 	"u-boot=tx25/u-boot.bin\0"					\
155 	"kernel_addr_r=" __stringify(CONFIG_LOADADDR) "\0"		\
156 	"hostname=tx25\0"						\
157 	"bootfile=tx25/uImage\0"					\
158 	"rootpath=/opt/eldk/arm\0"					\
159 	"net_nfs=tftp ${kernel_addr_r} ${bootfile};"			\
160 		"run nfsargs addip addtty addmtd addmisc;"		\
161 		"bootm\0"						\
162 	"bootcmd=run net_nfs\0"						\
163 	"load=tftp ${loadaddr} ${u-boot}\0"				\
164 	"update=nand erase 0 40000;nand write ${loadaddr} 0 40000\0"	\
165 	"upd=run load update\0"						\
166 
167 /* additions for new relocation code, must be added to all boards */
168 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
169 #define CONFIG_SYS_INIT_SP_ADDR		(IMX_RAM_BASE + IMX_RAM_SIZE)
170 
171 #endif /* __CONFIG_H */
172