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8ed96046 WD |
1 | /* |
2 | * (C) Copyright 2004 | |
3 | * Texas Instruments. | |
4 | * Richard Woodruff <[email protected]> | |
5 | * Kshitij Gupta <[email protected]> | |
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 */ | |
082acfd4 WD |
38 | /*#define CONFIG_APTIX 1 #* define if on APTIX test chip */ |
39 | /*#define CONFIG_VIRTIO 1 #* Using Virtio simulator */ | |
8ed96046 | 40 | |
289f932c | 41 | /* Clock config to target*/ |
49a7581c | 42 | #define PRCM_CONFIG_II 1 |
716c1dcb | 43 | /* #define PRCM_CONFIG_III 1 */ |
8ed96046 WD |
44 | |
45 | #include <asm/arch/omap2420.h> /* get chip and board defs */ | |
46 | ||
289f932c WD |
47 | /* On H4, NOR and NAND flash are mutual exclusive. |
48 | Define this if you want to use NAND | |
49 | */ | |
5a95f6fb | 50 | /*#define CFG_NAND_BOOT */ |
289f932c | 51 | |
8ed96046 WD |
52 | #ifdef CONFIG_APTIX |
53 | #define V_SCLK 1500000 | |
54 | #else | |
55 | #define V_SCLK 12000000 | |
56 | #endif | |
57 | ||
58 | /* input clock of PLL */ | |
59 | /* the OMAP2420 H4 has 12MHz, 13MHz, or 19.2Mhz crystal input */ | |
60 | #define CONFIG_SYS_CLK_FREQ V_SCLK | |
61 | ||
62 | #undef CONFIG_USE_IRQ /* no support for IRQs */ | |
63 | #define CONFIG_MISC_INIT_R | |
64 | ||
65 | #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ | |
66 | #define CONFIG_SETUP_MEMORY_TAGS 1 | |
67 | #define CONFIG_INITRD_TAG 1 | |
289f932c | 68 | #define CONFIG_REVISION_TAG 1 |
8ed96046 WD |
69 | |
70 | /* | |
71 | * Size of malloc() pool | |
72 | */ | |
73 | #define CFG_ENV_SIZE SZ_128K /* Total Size of Environment Sector */ | |
74 | #define CFG_MALLOC_LEN (CFG_ENV_SIZE + SZ_128K) | |
75 | #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ | |
76 | ||
77 | /* | |
78 | * Hardware drivers | |
79 | */ | |
082acfd4 | 80 | |
8ed96046 WD |
81 | /* |
82 | * SMC91c96 Etherent | |
83 | */ | |
84 | #define CONFIG_DRIVER_LAN91C96 | |
85 | #define CONFIG_LAN91C96_BASE (H4_CS1_BASE+0x300) | |
86 | #define CONFIG_LAN91C96_EXT_PHY | |
87 | ||
88 | /* | |
89 | * NS16550 Configuration | |
90 | */ | |
91 | #ifdef CONFIG_APTIX | |
92 | #define V_NS16550_CLK (6000000) /* 6MHz in current MaxSet */ | |
93 | #else | |
94 | #define V_NS16550_CLK (48000000) /* 48MHz (APLL96/2) */ | |
95 | #endif | |
96 | ||
97 | #define CFG_NS16550 | |
98 | #define CFG_NS16550_SERIAL | |
99 | #define CFG_NS16550_REG_SIZE (-4) | |
100 | #define CFG_NS16550_CLK V_NS16550_CLK /* 3MHz (1.5MHz*2) */ | |
101 | #define CFG_NS16550_COM1 OMAP2420_UART1 | |
102 | ||
103 | /* | |
104 | * select serial console configuration | |
105 | */ | |
106 | #define CONFIG_SERIAL1 1 /* UART1 on H4 */ | |
107 | ||
108 | /* | |
109 | * I2C configuration | |
110 | */ | |
111 | #define CONFIG_HARD_I2C | |
112 | #define CFG_I2C_SPEED 100000 | |
113 | #define CFG_I2C_SLAVE 1 | |
114 | #define CONFIG_DRIVER_OMAP24XX_I2C | |
115 | ||
116 | /* allow to overwrite serial and ethaddr */ | |
117 | #define CONFIG_ENV_OVERWRITE | |
118 | #define CONFIG_CONS_INDEX 1 | |
119 | #define CONFIG_BAUDRATE 115200 | |
120 | #define CFG_BAUDRATE_TABLE {9600, 19200, 38400, 57600, 115200} | |
121 | ||
a5cb2309 JL |
122 | |
123 | /* | |
124 | * Command line configuration. | |
125 | */ | |
126 | #include <config_cmd_default.h> | |
127 | ||
289f932c | 128 | #ifdef CFG_NAND_BOOT |
a5cb2309 JL |
129 | #define CONFIG_CMD_DHCP |
130 | #define CONFIG_CMD_I2C | |
131 | #define CONFIG_CMD_NAND | |
132 | #define CONFIG_CMD_JFFS2 | |
289f932c | 133 | #else |
a5cb2309 JL |
134 | #define CONFIG_CMD_DHCP |
135 | #define CONFIG_CMD_I2C | |
136 | #define CONFIG_CMD_JFFS2 | |
137 | ||
138 | #undef CONFIG_CMD_AUTOSCRIPT | |
289f932c | 139 | #endif |
8ed96046 | 140 | |
a5cb2309 | 141 | |
d3b8c1a7 JL |
142 | /* |
143 | * BOOTP options | |
144 | */ | |
145 | #define CONFIG_BOOTP_SUBNETMASK | |
146 | #define CONFIG_BOOTP_GATEWAY | |
147 | #define CONFIG_BOOTP_HOSTNAME | |
148 | #define CONFIG_BOOTP_BOOTPATH | |
149 | ||
8ed96046 | 150 | |
289f932c WD |
151 | /* |
152 | * Board NAND Info. | |
153 | */ | |
6db39708 | 154 | #define CFG_NAND_LEGACY |
289f932c WD |
155 | #define CFG_NAND_ADDR 0x04000000 /* physical address to access nand at CS0*/ |
156 | ||
157 | #define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ | |
158 | #define SECTORSIZE 512 | |
159 | ||
160 | #define ADDR_COLUMN 1 | |
161 | #define ADDR_PAGE 2 | |
162 | #define ADDR_COLUMN_PAGE 3 | |
163 | ||
164 | #define NAND_ChipID_UNKNOWN 0x00 | |
165 | #define NAND_MAX_FLOORS 1 | |
166 | #define NAND_MAX_CHIPS 1 | |
167 | ||
168 | #define WRITE_NAND_COMMAND(d, adr) do {*(volatile u16 *)0x6800A07C = d;} while(0) | |
169 | #define WRITE_NAND_ADDRESS(d, adr) do {*(volatile u16 *)0x6800A080 = d;} while(0) | |
170 | #define WRITE_NAND(d, adr) do {*(volatile u16 *)0x6800A084 = d;} while(0) | |
171 | #define READ_NAND(adr) (*(volatile u16 *)0x6800A084) | |
172 | #define NAND_WAIT_READY(nand) udelay(10) | |
173 | ||
174 | #define NAND_NO_RB 1 | |
175 | ||
176 | #define CFG_NAND_WP | |
177 | #define NAND_WP_OFF() do {*(volatile u32 *)(0x6800A050) |= 0x00000010;} while(0) | |
178 | #define NAND_WP_ON() do {*(volatile u32 *)(0x6800A050) &= ~0x00000010;} while(0) | |
179 | ||
289f932c WD |
180 | #define NAND_CTL_CLRALE(nandptr) |
181 | #define NAND_CTL_SETALE(nandptr) | |
182 | #define NAND_CTL_CLRCLE(nandptr) | |
183 | #define NAND_CTL_SETCLE(nandptr) | |
184 | #define NAND_DISABLE_CE(nand) | |
185 | #define NAND_ENABLE_CE(nand) | |
186 | ||
8ed96046 WD |
187 | #define CONFIG_BOOTDELAY 3 |
188 | ||
189 | #ifdef NFS_BOOT_DEFAULTS | |
190 | #define CONFIG_BOOTARGS "mem=32M console=ttyS0,115200n8 noinitrd root=/dev/nfs rw nfsroot=128.247.77.158:/home/a0384864/wtbu/rootfs ip=dhcp" | |
191 | #else | |
192 | #define CONFIG_BOOTARGS "root=/dev/ram0 rw mem=32M console=ttyS0,115200n8 initrd=0x80600000,8M ramdisk_size=8192" | |
193 | #endif | |
194 | ||
195 | #define CONFIG_NETMASK 255.255.254.0 | |
196 | #define CONFIG_IPADDR 128.247.77.90 | |
197 | #define CONFIG_SERVERIP 128.247.77.158 | |
198 | #define CONFIG_BOOTFILE "uImage" | |
199 | ||
200 | /* | |
201 | * Miscellaneous configurable options | |
202 | */ | |
203 | #ifdef CONFIG_APTIX | |
204 | #define V_PROMPT "OMAP2420 Aptix # " | |
205 | #else | |
206 | #define V_PROMPT "OMAP242x H4 # " | |
207 | #endif | |
208 | ||
209 | #define CFG_LONGHELP /* undef to save memory */ | |
210 | #define CFG_PROMPT V_PROMPT | |
211 | #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ | |
212 | /* Print Buffer Size */ | |
213 | #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) | |
214 | #define CFG_MAXARGS 16 /* max number of command args */ | |
215 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ | |
216 | ||
217 | #define CFG_MEMTEST_START (OMAP2420_SDRC_CS0) /* memtest works on */ | |
218 | #define CFG_MEMTEST_END (OMAP2420_SDRC_CS0+SZ_31M) | |
219 | ||
220 | #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */ | |
221 | ||
222 | #define CFG_LOAD_ADDR (OMAP2420_SDRC_CS0) /* default load address */ | |
223 | ||
224 | /* The 2420 has 12 GP timers, they can be driven by the SysClk (12/13/19.2) or by | |
225 | * 32KHz clk, or from external sig. This rate is divided by a local divisor. | |
226 | */ | |
227 | #ifdef CONFIG_APTIX | |
228 | #define V_PVT 3 | |
229 | #else | |
230 | #define V_PVT 7 /* use with 12MHz/128 */ | |
231 | #endif | |
232 | ||
233 | #define CFG_TIMERBASE OMAP2420_GPT2 | |
234 | #define CFG_PVT V_PVT /* 2^(pvt+1) */ | |
235 | #define CFG_HZ ((CONFIG_SYS_CLK_FREQ)/(2 << CFG_PVT)) | |
236 | ||
237 | /*----------------------------------------------------------------------- | |
238 | * Stack sizes | |
239 | * | |
240 | * The stack sizes are set up in start.S using the settings below | |
241 | */ | |
242 | #define CONFIG_STACKSIZE SZ_128K /* regular stack */ | |
243 | #ifdef CONFIG_USE_IRQ | |
244 | #define CONFIG_STACKSIZE_IRQ SZ_4K /* IRQ stack */ | |
245 | #define CONFIG_STACKSIZE_FIQ SZ_4K /* FIQ stack */ | |
246 | #endif | |
247 | ||
248 | /*----------------------------------------------------------------------- | |
249 | * Physical Memory Map | |
250 | */ | |
251 | #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */ | |
252 | #define PHYS_SDRAM_1 OMAP2420_SDRC_CS0 | |
253 | #define PHYS_SDRAM_1_SIZE SZ_32M /* at least 32 meg */ | |
254 | #define PHYS_SDRAM_2 OMAP2420_SDRC_CS1 | |
255 | ||
49a7581c | 256 | #define PHYS_FLASH_SECT_SIZE SZ_128K |
8ed96046 WD |
257 | #define PHYS_FLASH_1 H4_CS0_BASE /* Flash Bank #1 */ |
258 | #define PHYS_FLASH_SIZE_1 SZ_32M | |
259 | #define PHYS_FLASH_2 (H4_CS0_BASE+SZ_32M) /* same cs, 2 chips in series */ | |
260 | #define PHYS_FLASH_SIZE_2 SZ_32M | |
8ed96046 WD |
261 | |
262 | /*----------------------------------------------------------------------- | |
263 | * FLASH and environment organization | |
264 | */ | |
49a7581c | 265 | #define CFG_FLASH_BASE PHYS_FLASH_1 |
8ed96046 WD |
266 | #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */ |
267 | #define CFG_MAX_FLASH_SECT (259) /* max number of sectors on one chip */ | |
49a7581c WD |
268 | #define CFG_MONITOR_BASE CFG_FLASH_BASE /* Monitor at beginning of flash */ |
269 | #define CFG_MONITOR_LEN SZ_128K /* Reserve 1 sector */ | |
270 | #define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE, CFG_FLASH_BASE + PHYS_FLASH_SIZE_1 } | |
8ed96046 | 271 | |
289f932c WD |
272 | #ifdef CFG_NAND_BOOT |
273 | #define CFG_ENV_IS_IN_NAND 1 | |
274 | #define CFG_ENV_OFFSET 0x80000 /* environment starts here */ | |
275 | #else | |
8ed96046 WD |
276 | #define CFG_ENV_ADDR (CFG_FLASH_BASE + SZ_128K) |
277 | #define CFG_ENV_IS_IN_FLASH 1 | |
49a7581c WD |
278 | #define CFG_ENV_SECT_SIZE PHYS_FLASH_SECT_SIZE |
279 | #define CFG_ENV_OFFSET ( CFG_MONITOR_BASE + CFG_MONITOR_LEN ) /* Environment after Monitor */ | |
289f932c | 280 | #endif |
8ed96046 | 281 | |
49a7581c WD |
282 | /*----------------------------------------------------------------------- |
283 | * CFI FLASH driver setup | |
284 | */ | |
285 | #define CFG_FLASH_CFI 1 /* Flash memory is CFI compliant */ | |
286 | #define CFG_FLASH_CFI_DRIVER 1 /* Use drivers/cfi_flash.c */ | |
287 | #define CFG_FLASH_USE_BUFFER_WRITE 1 /* Use buffered writes (~10x faster) */ | |
288 | #define CFG_FLASH_PROTECTION 1 /* Use hardware sector protection */ | |
289 | ||
8ed96046 | 290 | /* timeout values are in ticks */ |
49a7581c WD |
291 | #define CFG_FLASH_ERASE_TOUT (100*CFG_HZ) /* Timeout for Flash Erase */ |
292 | #define CFG_FLASH_WRITE_TOUT (100*CFG_HZ) /* Timeout for Flash Write */ | |
289f932c | 293 | |
289f932c | 294 | #define CFG_JFFS2_MEM_NAND |
700a0c64 WD |
295 | |
296 | /* | |
297 | * JFFS2 partitions | |
298 | */ | |
299 | /* No command line, one static partition, whole device */ | |
300 | #undef CONFIG_JFFS2_CMDLINE | |
301 | #define CONFIG_JFFS2_DEV "nor1" | |
302 | #define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF | |
303 | #define CONFIG_JFFS2_PART_OFFSET 0x00000000 | |
304 | ||
305 | /* mtdparts command line support */ | |
306 | /* Note: fake mtd_id used, no linux mtd map file */ | |
307 | /* | |
308 | #define CONFIG_JFFS2_CMDLINE | |
309 | #define MTDIDS_DEFAULT "nor1=omap2420-1" | |
310 | #define MTDPARTS_DEFAULT "mtdparts=omap2420-1:-(jffs2)" | |
311 | */ | |
8ed96046 WD |
312 | |
313 | #endif /* __CONFIG_H */ |