1 /*
2  * (C) Copyright 2010
3  * Texas Instruments Incorporated.
4  * Steve Sakoman  <steve@sakoman.com>
5  *
6  * Configuration settings for the TI OMAP4 Panda board.
7  *
8  * See file CREDITS for list of people who contributed to this
9  * project.
10  *
11  * This program is free software; you can redistribute it and/or
12  * modify it under the terms of the GNU General Public License as
13  * published by the Free Software Foundation; either version 2 of
14  * the License, or (at your option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program; if not, write to the Free Software
23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24  * MA 02111-1307 USA
25  */
26 
27 #ifndef __CONFIG_H
28 #define __CONFIG_H
29 
30 /*
31  * High Level Configuration Options
32  */
33 #define CONFIG_ARMV7		1	/* This is an ARM V7 CPU core */
34 #define CONFIG_OMAP		1	/* in a TI OMAP core */
35 #define CONFIG_OMAP44XX		1	/* which is a 44XX */
36 #define CONFIG_OMAP4430		1	/* which is in a 4430 */
37 #define CONFIG_PANDA		1	/* working with Panda */
38 
39 /* Get CPU defs */
40 #include <asm/arch/cpu.h>
41 #include <asm/arch/omap4.h>
42 
43 /* Display CPU and Board Info */
44 #define CONFIG_DISPLAY_CPUINFO		1
45 #define CONFIG_DISPLAY_BOARDINFO	1
46 
47 /* Keep L2 Cache Disabled */
48 #define CONFIG_L2_OFF			1
49 
50 /* Clock Defines */
51 #define V_OSCK			38400000	/* Clock output from T2 */
52 #define V_SCLK                   V_OSCK
53 
54 #undef CONFIG_USE_IRQ				/* no support for IRQs */
55 #define CONFIG_MISC_INIT_R
56 
57 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
58 #define CONFIG_SETUP_MEMORY_TAGS	1
59 #define CONFIG_INITRD_TAG		1
60 #define CONFIG_REVISION_TAG		1
61 
62 /*
63  * Size of malloc() pool
64  * Total Size Environment - 256k
65  * Malloc - add 256k
66  */
67 #define CONFIG_ENV_SIZE			(256 << 10)
68 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (256 << 10))
69 #define CONFIG_SYS_GBL_DATA_SIZE	128	/* bytes reserved for */
70 						/* initial data */
71 /* Vector Base */
72 #define CONFIG_SYS_CA9_VECTOR_BASE	SRAM_ROM_VECT_BASE
73 
74 /*
75  * Hardware drivers
76  */
77 
78 /*
79  * serial port - NS16550 compatible
80  */
81 #define V_NS16550_CLK			48000000
82 
83 #define CONFIG_SYS_NS16550
84 #define CONFIG_SYS_NS16550_SERIAL
85 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
86 #define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK
87 #define CONFIG_CONS_INDEX		3
88 #define CONFIG_SYS_NS16550_COM3		UART3_BASE
89 
90 #define CONFIG_ENV_IS_NOWHERE
91 #define CONFIG_ENV_OVERWRITE
92 #define CONFIG_BAUDRATE			115200
93 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
94 					115200}
95 
96 /* I2C  */
97 #define CONFIG_HARD_I2C			1
98 #define CONFIG_SYS_I2C_SPEED		100000
99 #define CONFIG_SYS_I2C_SLAVE		1
100 #define CONFIG_SYS_I2C_BUS		0
101 #define CONFIG_SYS_I2C_BUS_SELECT	1
102 #define CONFIG_DRIVER_OMAP34XX_I2C	1
103 #define CONFIG_I2C_MULTI_BUS		1
104 
105 /* MMC */
106 #define CONFIG_MMC			1
107 #define CONFIG_OMAP3_MMC		1
108 #define CONFIG_SYS_MMC_SET_DEV		1
109 #define CONFIG_DOS_PARTITION		1
110 
111 /* Flash */
112 #define CONFIG_SYS_NO_FLASH	1
113 
114 /* commands to include */
115 #include <config_cmd_default.h>
116 
117 /* Enabled commands */
118 #define CONFIG_CMD_EXT2		/* EXT2 Support                 */
119 #define CONFIG_CMD_FAT		/* FAT support                  */
120 #define CONFIG_CMD_I2C		/* I2C serial bus support	*/
121 #define CONFIG_CMD_MMC		/* MMC support                  */
122 
123 /* Disabled commands */
124 #undef CONFIG_CMD_NET
125 #undef CONFIG_CMD_FPGA		/* FPGA configuration Support   */
126 #undef CONFIG_CMD_IMLS		/* List all found images        */
127 
128 /*
129  * Enabling relocation of u-boot by default
130  * Relocation can be skipped if u-boot is copied to the TEXT_BASE
131  */
132 #undef CONFIG_SKIP_RELOCATE_UBOOT
133 
134 /*
135  * Environment setup
136  */
137 
138 /* allow overwriting serial config and ethaddr */
139 #define CONFIG_ENV_OVERWRITE
140 
141 #define CONFIG_EXTRA_ENV_SETTINGS \
142 	"loadaddr=0x82000000\0" \
143 	"console=ttyS2,115200n8\0" \
144 	"mmcdev=1\0" \
145 	"mmcroot=/dev/mmcblk0p2 rw\0" \
146 	"mmcrootfstype=ext3 rootwait\0" \
147 	"mmcargs=setenv bootargs console=${console} " \
148 		"root=${mmcroot} " \
149 		"rootfstype=${mmcrootfstype}\0" \
150 	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
151 	"bootscript=echo Running bootscript from mmc${mmcdev} ...; " \
152 		"source ${loadaddr}\0" \
153 	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
154 	"mmcboot=echo Booting from mmc${mmcdev} ...; " \
155 		"run mmcargs; " \
156 		"bootm ${loadaddr}\0" \
157 
158 #define CONFIG_BOOTCOMMAND \
159 	"if mmc init ${mmcdev}; then " \
160 		"if run loadbootscript; then " \
161 			"run bootscript; " \
162 		"else " \
163 			"if run loaduimage; then " \
164 				"run mmcboot; " \
165 			"else run nandboot; " \
166 			"fi; " \
167 		"fi; " \
168 	"fi"
169 
170 #define CONFIG_AUTO_COMPLETE		1
171 
172 /*
173  * Miscellaneous configurable options
174  */
175 
176 #define CONFIG_SYS_LONGHELP	/* undef to save memory */
177 #define CONFIG_SYS_HUSH_PARSER	/* use "hush" command parser */
178 #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
179 #define CONFIG_SYS_PROMPT		"Panda # "
180 #define CONFIG_SYS_CBSIZE		256
181 /* Print Buffer Size */
182 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
183 					sizeof(CONFIG_SYS_PROMPT) + 16)
184 #define CONFIG_SYS_MAXARGS		16
185 /* Boot Argument Buffer Size */
186 #define CONFIG_SYS_BARGSIZE		(CONFIG_SYS_CBSIZE)
187 
188 /*
189  * memtest setup
190  */
191 #define CONFIG_SYS_MEMTEST_START	0x80000000
192 #define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_MEMTEST_START + (32 << 20))
193 
194 /* Default load address */
195 #define CONFIG_SYS_LOAD_ADDR		0x80000000
196 
197 /* Use General purpose timer 1 */
198 #define CONFIG_SYS_TIMERBASE		GPT1_BASE
199 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
200 #define CONFIG_SYS_HZ			1000
201 
202 /*
203  * Stack sizes
204  *
205  * The stack sizes are set up in start.S using the settings below
206  */
207 #define CONFIG_STACKSIZE	(128 << 10)	/* Regular stack */
208 #ifdef CONFIG_USE_IRQ
209 #define CONFIG_STACKSIZE_IRQ	(4 << 10)	/* IRQ stack */
210 #define CONFIG_STACKSIZE_FIQ	(4 << 10)	/* FIQ stack */
211 #endif
212 
213 /*
214  * SDRAM Memory Map
215  * Even though we use two CS all the memory
216  * is mapped to one contiguous block
217  */
218 #define CONFIG_NR_DRAM_BANKS	1
219 
220 #endif /* __CONFIG_H */
221