1 /*
2  * Copyright (C) 2013 Marek Vasut <marex@denx.de>
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of
7  * the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
17  * MA 02111-1307 USA
18  */
19 #ifndef __MX23_OLINUXINO_CONFIG_H__
20 #define __MX23_OLINUXINO_CONFIG_H__
21 
22 /*
23  * SoC configurations
24  */
25 #define	CONFIG_MX23				/* i.MX23 SoC */
26 #define	CONFIG_MXS_GPIO				/* GPIO control */
27 #define	CONFIG_SYS_HZ		1000		/* Ticks per second */
28 
29 #define	CONFIG_MACH_TYPE	4105
30 
31 #include <asm/arch/regs-base.h>
32 
33 #define	CONFIG_SYS_NO_FLASH
34 #define	CONFIG_BOARD_EARLY_INIT_F
35 #define	CONFIG_ARCH_MISC_INIT
36 
37 /*
38  * SPL
39  */
40 #define	CONFIG_SPL
41 #define	CONFIG_SPL_NO_CPU_SUPPORT_CODE
42 #define	CONFIG_SPL_START_S_PATH		"arch/arm/cpu/arm926ejs/mxs"
43 #define	CONFIG_SPL_LDSCRIPT	"arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds"
44 #define	CONFIG_SPL_LIBCOMMON_SUPPORT
45 #define	CONFIG_SPL_LIBGENERIC_SUPPORT
46 #define	CONFIG_SPL_GPIO_SUPPORT
47 
48 /*
49  * U-Boot Commands
50  */
51 #include <config_cmd_default.h>
52 #define	CONFIG_DISPLAY_CPUINFO
53 #define	CONFIG_DOS_PARTITION
54 
55 #define	CONFIG_CMD_CACHE
56 #define	CONFIG_CMD_FAT
57 #define	CONFIG_CMD_GPIO
58 
59 /*
60  * Memory configurations
61  */
62 #define	CONFIG_NR_DRAM_BANKS		1		/* 1 bank of DRAM */
63 #define	PHYS_SDRAM_1			0x40000000	/* Base address */
64 #define	PHYS_SDRAM_1_SIZE		0x08000000	/* Max 128 MB RAM */
65 #define	CONFIG_SYS_MALLOC_LEN		0x00400000	/* 4 MB for malloc */
66 #define	CONFIG_SYS_GBL_DATA_SIZE	128		/* Initial data */
67 #define	CONFIG_SYS_MEMTEST_START	0x40000000	/* Memtest start adr */
68 #define	CONFIG_SYS_MEMTEST_END		0x40400000	/* 4 MB RAM test */
69 #define	CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
70 /* Point initial SP in SRAM so SPL can use it too. */
71 
72 #define CONFIG_SYS_INIT_RAM_ADDR	0x00000000
73 #define CONFIG_SYS_INIT_RAM_SIZE	(128 * 1024)
74 
75 #define CONFIG_SYS_INIT_SP_OFFSET \
76 	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
77 #define CONFIG_SYS_INIT_SP_ADDR \
78 	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
79 /*
80  * We need to sacrifice first 4 bytes of RAM here to avoid triggering some
81  * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
82  * binary. In case there was more of this mess, 0x100 bytes are skipped.
83  */
84 #define	CONFIG_SYS_TEXT_BASE		0x40000100
85 
86 /*
87  * U-Boot general configurations
88  */
89 #define	CONFIG_SYS_LONGHELP
90 #define	CONFIG_SYS_PROMPT	"=> "
91 #define	CONFIG_SYS_CBSIZE	1024		/* Console I/O buffer size */
92 #define	CONFIG_SYS_PBSIZE	\
93 	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
94 						/* Print buffer size */
95 #define	CONFIG_SYS_MAXARGS	32		/* Max number of command args */
96 #define	CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE
97 						/* Boot argument buffer size */
98 #define	CONFIG_VERSION_VARIABLE			/* U-BOOT version */
99 #define	CONFIG_AUTO_COMPLETE			/* Command auto complete */
100 #define	CONFIG_CMDLINE_EDITING			/* Command history etc */
101 #define	CONFIG_SYS_HUSH_PARSER
102 
103 /*
104  * Serial Driver
105  */
106 #define	CONFIG_PL011_SERIAL
107 #define	CONFIG_PL011_CLOCK		24000000
108 #define	CONFIG_PL01x_PORTS		{ (void *)MXS_UARTDBG_BASE }
109 #define	CONFIG_CONS_INDEX		0
110 #define	CONFIG_BAUDRATE			115200	/* Default baud rate */
111 
112 /*
113  * APBH DMA
114  */
115 #define CONFIG_APBH_DMA
116 
117 /*
118  * ENV -- nowhere so far
119  */
120 #define	CONFIG_ENV_SIZE			(16 * 1024)
121 #define	CONFIG_ENV_IS_NOWHERE
122 
123 /*
124  * Boot Linux
125  */
126 #define	CONFIG_CMDLINE_TAG
127 #define	CONFIG_SETUP_MEMORY_TAGS
128 #define	CONFIG_BOOTDELAY	3
129 #define	CONFIG_BOOTFILE		"uImage"
130 #define	CONFIG_BOOTARGS		"console=ttyAMA0,115200n8 "
131 #define	CONFIG_LOADADDR		0x42000000
132 #define	CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
133 #define	CONFIG_OF_LIBFDT
134 
135 #endif /* __MX23_OLINUXINO_CONFIG_H__ */
136