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Steve Sakoman6b810ff2010-06-11 20:35:26 -07001/*
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 */