]> git.ipfire.org Git - people/ms/u-boot.git/blob - include/configs/omap2420h4.h
* Patches by Richard Woodruff, 01 Oct 2004:
[people/ms/u-boot.git] / include / configs / omap2420h4.h
1 /*
2 * (C) Copyright 2004
3 * Texas Instruments.
4 * Richard Woodruff <r-woodruff2@ti.com>
5 * Kshitij Gupta <kshitij@ti.com>
6 *
7 * Configuration settings for the 242x TI H4 board.
8 *
9 * See file CREDITS for list of people who contributed to this
10 * project.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * MA 02111-1307 USA
26 */
27
28 #ifndef __CONFIG_H
29 #define __CONFIG_H
30
31 /*
32 * High Level Configuration Options
33 */
34 #define CONFIG_ARM1136 1 /* This is an arm1136 CPU core */
35 #define CONFIG_OMAP 1 /* in a TI OMAP core */
36 #define CONFIG_OMAP2420 1 /* which is in a 2420 */
37 #define CONFIG_OMAP2420H4 1 /* and on a H4 board */
38 //#define CONFIG_APTIX 1 /* define if on APTIX test chip */
39 //#define CONFIG_VIRTIO 1 /* Using Virtio simulator */
40
41 #define PRCM_CONFIG_II 1
42 #define CONFIG_PARTIAL_SRAM 1
43
44 #include <asm/arch/omap2420.h> /* get chip and board defs */
45
46 #ifdef CONFIG_APTIX
47 #define V_SCLK 1500000
48 #else
49 #define V_SCLK 12000000
50 #endif
51
52 /* input clock of PLL */
53 /* the OMAP2420 H4 has 12MHz, 13MHz, or 19.2Mhz crystal input */
54 #define CONFIG_SYS_CLK_FREQ V_SCLK
55
56 #undef CONFIG_USE_IRQ /* no support for IRQs */
57 #define CONFIG_MISC_INIT_R
58
59 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
60 #define CONFIG_SETUP_MEMORY_TAGS 1
61 #define CONFIG_INITRD_TAG 1
62
63 /*
64 * Size of malloc() pool
65 */
66 #define CFG_ENV_SIZE SZ_128K /* Total Size of Environment Sector */
67 #define CFG_MALLOC_LEN (CFG_ENV_SIZE + SZ_128K)
68 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
69
70 /*
71 * Hardware drivers
72 */
73
74 /*
75 * SMC91c96 Etherent
76 */
77 #define CONFIG_DRIVER_LAN91C96
78 #define CONFIG_LAN91C96_BASE (H4_CS1_BASE+0x300)
79 #define CONFIG_LAN91C96_EXT_PHY
80
81 /*
82 * NS16550 Configuration
83 */
84 #ifdef CONFIG_APTIX
85 #define V_NS16550_CLK (6000000) /* 6MHz in current MaxSet */
86 #else
87 #define V_NS16550_CLK (48000000) /* 48MHz (APLL96/2) */
88 #endif
89
90 #define CFG_NS16550
91 #define CFG_NS16550_SERIAL
92 #define CFG_NS16550_REG_SIZE (-4)
93 #define CFG_NS16550_CLK V_NS16550_CLK /* 3MHz (1.5MHz*2) */
94 #define CFG_NS16550_COM1 OMAP2420_UART1
95
96 /*
97 * select serial console configuration
98 */
99 #define CONFIG_SERIAL1 1 /* UART1 on H4 */
100
101 /*
102 * I2C configuration
103 */
104 #define CONFIG_HARD_I2C
105 #define CFG_I2C_SPEED 100000
106 #define CFG_I2C_SLAVE 1
107 #define CONFIG_DRIVER_OMAP24XX_I2C
108
109 /* allow to overwrite serial and ethaddr */
110 #define CONFIG_ENV_OVERWRITE
111 #define CONFIG_CONS_INDEX 1
112 #define CONFIG_BAUDRATE 115200
113 #define CFG_BAUDRATE_TABLE {9600, 19200, 38400, 57600, 115200}
114
115 #define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_DHCP | CFG_CMD_I2C)
116
117 // I'd like to get to these. Snap kernel loads if we make MMC go //
118 // #define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_NAND | CFG_CMD_JFFS2 | CFG_CMD_DHCP | CFG_CMD_MMC | CFG_CMD_FAT | CFG_CMD_I2C)
119
120 #define CONFIG_BOOTP_MASK CONFIG_BOOTP_DEFAULT
121
122 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
123 #include <cmd_confdefs.h>
124
125 #define CONFIG_BOOTDELAY 3
126
127 #ifdef NFS_BOOT_DEFAULTS
128 #define CONFIG_BOOTARGS "mem=32M console=ttyS0,115200n8 noinitrd root=/dev/nfs rw nfsroot=128.247.77.158:/home/a0384864/wtbu/rootfs ip=dhcp"
129 #else
130 #define CONFIG_BOOTARGS "root=/dev/ram0 rw mem=32M console=ttyS0,115200n8 initrd=0x80600000,8M ramdisk_size=8192"
131 #endif
132
133 #define CONFIG_NETMASK 255.255.254.0
134 #define CONFIG_IPADDR 128.247.77.90
135 #define CONFIG_SERVERIP 128.247.77.158
136 #define CONFIG_BOOTFILE "uImage"
137
138 /*
139 * Miscellaneous configurable options
140 */
141 #ifdef CONFIG_APTIX
142 #define V_PROMPT "OMAP2420 Aptix # "
143 #else
144 #define V_PROMPT "OMAP242x H4 # "
145 #endif
146
147 #define CFG_LONGHELP /* undef to save memory */
148 #define CFG_PROMPT V_PROMPT
149 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
150 /* Print Buffer Size */
151 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16)
152 #define CFG_MAXARGS 16 /* max number of command args */
153 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
154
155 #define CFG_MEMTEST_START (OMAP2420_SDRC_CS0) /* memtest works on */
156 #define CFG_MEMTEST_END (OMAP2420_SDRC_CS0+SZ_31M)
157
158 #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
159
160 #define CFG_LOAD_ADDR (OMAP2420_SDRC_CS0) /* default load address */
161
162 /* The 2420 has 12 GP timers, they can be driven by the SysClk (12/13/19.2) or by
163 * 32KHz clk, or from external sig. This rate is divided by a local divisor.
164 */
165 #ifdef CONFIG_APTIX
166 #define V_PVT 3
167 #else
168 #define V_PVT 7 /* use with 12MHz/128 */
169 #endif
170
171 #define CFG_TIMERBASE OMAP2420_GPT2
172 #define CFG_PVT V_PVT /* 2^(pvt+1) */
173 #define CFG_HZ ((CONFIG_SYS_CLK_FREQ)/(2 << CFG_PVT))
174
175 /*-----------------------------------------------------------------------
176 * Stack sizes
177 *
178 * The stack sizes are set up in start.S using the settings below
179 */
180 #define CONFIG_STACKSIZE SZ_128K /* regular stack */
181 #ifdef CONFIG_USE_IRQ
182 #define CONFIG_STACKSIZE_IRQ SZ_4K /* IRQ stack */
183 #define CONFIG_STACKSIZE_FIQ SZ_4K /* FIQ stack */
184 #endif
185
186 /*-----------------------------------------------------------------------
187 * Physical Memory Map
188 */
189 #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */
190 #define PHYS_SDRAM_1 OMAP2420_SDRC_CS0
191 #define PHYS_SDRAM_1_SIZE SZ_32M /* at least 32 meg */
192 #define PHYS_SDRAM_2 OMAP2420_SDRC_CS1
193
194 #define PHYS_FLASH_1 H4_CS0_BASE /* Flash Bank #1 */
195 #define PHYS_FLASH_SIZE_1 SZ_32M
196 #define PHYS_FLASH_2 (H4_CS0_BASE+SZ_32M) /* same cs, 2 chips in series */
197 #define PHYS_FLASH_SIZE_2 SZ_32M
198 #define CFG_FLASH_BASE PHYS_FLASH_1
199
200 /*-----------------------------------------------------------------------
201 * FLASH and environment organization
202 */
203 #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
204 #define CFG_MAX_FLASH_SECT (259) /* max number of sectors on one chip */
205
206 #define CFG_ENV_ADDR (CFG_FLASH_BASE + SZ_128K)
207 #define CFG_ENV_IS_IN_FLASH 1
208
209 /* timeout values are in ticks */
210 #define CFG_FLASH_ERASE_TOUT (10*75*CFG_HZ) /* Timeout for Flash Erase */
211 #define CFG_FLASH_WRITE_TOUT (10*75*CFG_HZ) /* Timeout for Flash Write */
212
213 #endif /* __CONFIG_H */