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1 | /* | |
2 | * Configuration settings for the Gumstix Overo board. | |
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 | ||
20 | #ifndef __CONFIG_H | |
21 | #define __CONFIG_H | |
22 | ||
23 | /* | |
24 | * High Level Configuration Options | |
25 | */ | |
26 | #define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */ | |
27 | #define CONFIG_OMAP 1 /* in a TI OMAP core */ | |
28 | #define CONFIG_OMAP34XX 1 /* which is a 34XX */ | |
29 | #define CONFIG_OMAP3430 1 /* which is in a 3430 */ | |
30 | #define CONFIG_OMAP3_OVERO 1 /* working with overo */ | |
31 | ||
32 | #define CONFIG_SDRC /* The chip has SDRC controller */ | |
33 | ||
34 | #include <asm/arch/cpu.h> /* get chip and board defs */ | |
35 | #include <asm/arch/omap3.h> | |
36 | ||
37 | /* | |
38 | * Display CPU and Board information | |
39 | */ | |
40 | #define CONFIG_DISPLAY_CPUINFO 1 | |
41 | #define CONFIG_DISPLAY_BOARDINFO 1 | |
42 | ||
43 | /* Clock Defines */ | |
44 | #define V_OSCK 26000000 /* Clock output from T2 */ | |
45 | #define V_SCLK (V_OSCK >> 1) | |
46 | ||
47 | #undef CONFIG_USE_IRQ /* no support for IRQs */ | |
48 | #define CONFIG_MISC_INIT_R | |
49 | ||
50 | #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ | |
51 | #define CONFIG_SETUP_MEMORY_TAGS 1 | |
52 | #define CONFIG_INITRD_TAG 1 | |
53 | #define CONFIG_REVISION_TAG 1 | |
54 | ||
55 | /* | |
56 | * Size of malloc() pool | |
57 | */ | |
58 | #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB */ | |
59 | /* Sector */ | |
60 | #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128 << 10)) | |
61 | #define CONFIG_SYS_GBL_DATA_SIZE 128 /* bytes reserved for */ | |
62 | /* initial data */ | |
63 | ||
64 | /* | |
65 | * Hardware drivers | |
66 | */ | |
67 | ||
68 | /* | |
69 | * NS16550 Configuration | |
70 | */ | |
71 | #define V_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */ | |
72 | ||
73 | #define CONFIG_SYS_NS16550 | |
74 | #define CONFIG_SYS_NS16550_SERIAL | |
75 | #define CONFIG_SYS_NS16550_REG_SIZE (-4) | |
76 | #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK | |
77 | ||
78 | /* | |
79 | * select serial console configuration | |
80 | */ | |
81 | #define CONFIG_CONS_INDEX 3 | |
82 | #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3 | |
83 | #define CONFIG_SERIAL3 3 | |
84 | ||
85 | /* allow to overwrite serial and ethaddr */ | |
86 | #define CONFIG_ENV_OVERWRITE | |
87 | #define CONFIG_BAUDRATE 115200 | |
88 | #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600, \ | |
89 | 115200} | |
90 | #define CONFIG_GENERIC_MMC 1 | |
91 | #define CONFIG_MMC 1 | |
92 | #define CONFIG_OMAP_HSMMC 1 | |
93 | #define CONFIG_DOS_PARTITION 1 | |
94 | ||
95 | /* DDR - I use Micron DDR */ | |
96 | #define CONFIG_OMAP3_MICRON_DDR 1 | |
97 | ||
98 | /* commands to include */ | |
99 | #include <config_cmd_default.h> | |
100 | ||
101 | #define CONFIG_CMD_CACHE | |
102 | #define CONFIG_CMD_EXT2 /* EXT2 Support */ | |
103 | #define CONFIG_CMD_FAT /* FAT support */ | |
104 | #define CONFIG_CMD_JFFS2 /* JFFS2 Support */ | |
105 | ||
106 | #define CONFIG_CMD_I2C /* I2C serial bus support */ | |
107 | #define CONFIG_CMD_MMC /* MMC support */ | |
108 | #define CONFIG_CMD_NAND /* NAND support */ | |
109 | ||
110 | #undef CONFIG_CMD_FLASH /* flinfo, erase, protect */ | |
111 | #undef CONFIG_CMD_FPGA /* FPGA configuration Support */ | |
112 | #undef CONFIG_CMD_IMI /* iminfo */ | |
113 | #undef CONFIG_CMD_IMLS /* List all found images */ | |
114 | #undef CONFIG_CMD_NFS /* NFS support */ | |
115 | #define CONFIG_CMD_NET /* bootp, tftpboot, rarpboot */ | |
116 | ||
117 | #define CONFIG_SYS_NO_FLASH | |
118 | #define CONFIG_HARD_I2C 1 | |
119 | #define CONFIG_SYS_I2C_SPEED 100000 | |
120 | #define CONFIG_SYS_I2C_SLAVE 1 | |
121 | #define CONFIG_SYS_I2C_BUS 0 | |
122 | #define CONFIG_SYS_I2C_BUS_SELECT 1 | |
123 | #define CONFIG_DRIVER_OMAP34XX_I2C 1 | |
124 | ||
125 | /* | |
126 | * TWL4030 | |
127 | */ | |
128 | #define CONFIG_TWL4030_POWER 1 | |
129 | #define CONFIG_TWL4030_LED 1 | |
130 | ||
131 | /* | |
132 | * Board NAND Info. | |
133 | */ | |
134 | #define CONFIG_SYS_NAND_QUIET_TEST 1 | |
135 | #define CONFIG_NAND_OMAP_GPMC | |
136 | #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ | |
137 | /* to access nand */ | |
138 | #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */ | |
139 | /* to access nand */ | |
140 | /* at CS0 */ | |
141 | #define GPMC_NAND_ECC_LP_x16_LAYOUT 1 | |
142 | ||
143 | #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */ | |
144 | /* devices */ | |
145 | #define CONFIG_JFFS2_NAND | |
146 | /* nand device jffs2 lives on */ | |
147 | #define CONFIG_JFFS2_DEV "nand0" | |
148 | /* start of jffs2 partition */ | |
149 | #define CONFIG_JFFS2_PART_OFFSET 0x680000 | |
150 | #define CONFIG_JFFS2_PART_SIZE 0xf980000 /* size of jffs2 */ | |
151 | /* partition */ | |
152 | ||
153 | /* Environment information */ | |
154 | #define CONFIG_BOOTDELAY 5 | |
155 | ||
156 | #define CONFIG_EXTRA_ENV_SETTINGS \ | |
157 | "loadaddr=0x82000000\0" \ | |
158 | "console=ttyS2,115200n8\0" \ | |
159 | "mpurate=500\0" \ | |
160 | "vram=12M\0" \ | |
161 | "dvimode=1024x768MR-16@60\0" \ | |
162 | "defaultdisplay=dvi\0" \ | |
163 | "mmcdev=0\0" \ | |
164 | "mmcroot=/dev/mmcblk0p2 rw\0" \ | |
165 | "mmcrootfstype=ext3 rootwait\0" \ | |
166 | "nandroot=/dev/mtdblock4 rw\0" \ | |
167 | "nandrootfstype=jffs2\0" \ | |
168 | "mmcargs=setenv bootargs console=${console} " \ | |
169 | "mpurate=${mpurate} " \ | |
170 | "vram=${vram} " \ | |
171 | "omapfb.mode=dvi:${dvimode} " \ | |
172 | "omapfb.debug=y " \ | |
173 | "omapdss.def_disp=${defaultdisplay} " \ | |
174 | "root=${mmcroot} " \ | |
175 | "rootfstype=${mmcrootfstype}\0" \ | |
176 | "nandargs=setenv bootargs console=${console} " \ | |
177 | "mpurate=${mpurate} " \ | |
178 | "vram=${vram} " \ | |
179 | "omapfb.mode=dvi:${dvimode} " \ | |
180 | "omapfb.debug=y " \ | |
181 | "omapdss.def_disp=${defaultdisplay} " \ | |
182 | "root=${nandroot} " \ | |
183 | "rootfstype=${nandrootfstype}\0" \ | |
184 | "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \ | |
185 | "bootscript=echo Running bootscript from mmc ...; " \ | |
186 | "source ${loadaddr}\0" \ | |
187 | "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \ | |
188 | "mmcboot=echo Booting from mmc ...; " \ | |
189 | "run mmcargs; " \ | |
190 | "bootm ${loadaddr}\0" \ | |
191 | "nandboot=echo Booting from nand ...; " \ | |
192 | "run nandargs; " \ | |
193 | "nand read ${loadaddr} 280000 400000; " \ | |
194 | "bootm ${loadaddr}\0" \ | |
195 | ||
196 | #define CONFIG_BOOTCOMMAND \ | |
197 | "if mmc rescan ${mmcdev}; then " \ | |
198 | "if run loadbootscript; then " \ | |
199 | "run bootscript; " \ | |
200 | "else " \ | |
201 | "if run loaduimage; then " \ | |
202 | "run mmcboot; " \ | |
203 | "else run nandboot; " \ | |
204 | "fi; " \ | |
205 | "fi; " \ | |
206 | "else run nandboot; fi" | |
207 | ||
208 | #define CONFIG_AUTO_COMPLETE 1 | |
209 | /* | |
210 | * Miscellaneous configurable options | |
211 | */ | |
212 | #define CONFIG_SYS_LONGHELP /* undef to save memory */ | |
213 | #define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */ | |
214 | #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " | |
215 | #define CONFIG_SYS_PROMPT "Overo # " | |
216 | #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ | |
217 | /* Print Buffer Size */ | |
218 | #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ | |
219 | sizeof(CONFIG_SYS_PROMPT) + 16) | |
220 | #define CONFIG_SYS_MAXARGS 16 /* max number of command */ | |
221 | /* args */ | |
222 | /* Boot Argument Buffer Size */ | |
223 | #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE | |
224 | /* memtest works on */ | |
225 | #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) | |
226 | #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ | |
227 | 0x01F00000) /* 31MB */ | |
228 | ||
229 | #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default load */ | |
230 | /* address */ | |
231 | /* | |
232 | * OMAP3 has 12 GP timers, they can be driven by the system clock | |
233 | * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK). | |
234 | * This rate is divided by a local divisor. | |
235 | */ | |
236 | #define CONFIG_SYS_TIMERBASE OMAP34XX_GPT2 | |
237 | #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ | |
238 | #define CONFIG_SYS_HZ 1000 | |
239 | ||
240 | /*----------------------------------------------------------------------- | |
241 | * Stack sizes | |
242 | * | |
243 | * The stack sizes are set up in start.S using the settings below | |
244 | */ | |
245 | #define CONFIG_STACKSIZE (128 << 10) /* regular stack 128 KiB */ | |
246 | #ifdef CONFIG_USE_IRQ | |
247 | #define CONFIG_STACKSIZE_IRQ (4 << 10) /* IRQ stack 4 KiB */ | |
248 | #define CONFIG_STACKSIZE_FIQ (4 << 10) /* FIQ stack 4 KiB */ | |
249 | #endif | |
250 | ||
251 | /*----------------------------------------------------------------------- | |
252 | * Physical Memory Map | |
253 | */ | |
254 | #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */ | |
255 | #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0 | |
256 | #define PHYS_SDRAM_1_SIZE (32 << 20) /* at least 32 MiB */ | |
257 | #define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1 | |
258 | ||
259 | /* SDRAM Bank Allocation method */ | |
260 | #define SDRC_R_B_C 1 | |
261 | ||
262 | /*----------------------------------------------------------------------- | |
263 | * FLASH and environment organization | |
264 | */ | |
265 | ||
266 | /* **** PISMO SUPPORT *** */ | |
267 | ||
268 | /* Configure the PISMO */ | |
269 | #define PISMO1_NAND_SIZE GPMC_SIZE_128M | |
270 | #define PISMO1_ONEN_SIZE GPMC_SIZE_128M | |
271 | ||
272 | #define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors on */ | |
273 | /* one chip */ | |
274 | #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ | |
275 | #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ | |
276 | ||
277 | #define CONFIG_SYS_FLASH_BASE boot_flash_base | |
278 | ||
279 | /* Monitor at start of flash */ | |
280 | #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE | |
281 | #define CONFIG_SYS_ONENAND_BASE ONENAND_MAP | |
282 | ||
283 | #define CONFIG_ENV_IS_IN_NAND 1 | |
284 | #define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */ | |
285 | #define SMNAND_ENV_OFFSET 0x240000 /* environment starts here */ | |
286 | ||
287 | #define CONFIG_SYS_ENV_SECT_SIZE boot_flash_sec | |
288 | #define CONFIG_ENV_OFFSET boot_flash_off | |
289 | #define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET | |
290 | ||
291 | /*----------------------------------------------------------------------- | |
292 | * CFI FLASH driver setup | |
293 | */ | |
294 | /* timeout values are in ticks */ | |
295 | #define CONFIG_SYS_FLASH_ERASE_TOUT (100 * CONFIG_SYS_HZ) | |
296 | #define CONFIG_SYS_FLASH_WRITE_TOUT (100 * CONFIG_SYS_HZ) | |
297 | ||
298 | /* Flash banks JFFS2 should use */ | |
299 | #define CONFIG_SYS_MAX_MTD_BANKS (CONFIG_SYS_MAX_FLASH_BANKS + \ | |
300 | CONFIG_SYS_MAX_NAND_DEVICE) | |
301 | #define CONFIG_SYS_JFFS2_MEM_NAND | |
302 | /* use flash_info[2] */ | |
303 | #define CONFIG_SYS_JFFS2_FIRST_BANK CONFIG_SYS_MAX_FLASH_BANKS | |
304 | #define CONFIG_SYS_JFFS2_NUM_BANKS 1 | |
305 | ||
306 | #ifndef __ASSEMBLY__ | |
307 | extern unsigned int boot_flash_base; | |
308 | extern volatile unsigned int boot_flash_env_addr; | |
309 | extern unsigned int boot_flash_off; | |
310 | extern unsigned int boot_flash_sec; | |
311 | extern unsigned int boot_flash_type; | |
312 | #endif | |
313 | ||
314 | #if defined(CONFIG_CMD_NET) | |
315 | /*---------------------------------------------------------------------------- | |
316 | * SMSC9211 Ethernet from SMSC9118 family | |
317 | *---------------------------------------------------------------------------- | |
318 | */ | |
319 | ||
320 | #define CONFIG_NET_MULTI | |
321 | #define CONFIG_SMC911X 1 | |
322 | #define CONFIG_SMC911X_32_BIT | |
323 | #define CONFIG_SMC911X_BASE 0x2C000000 | |
324 | ||
325 | #endif /* (CONFIG_CMD_NET) */ | |
326 | ||
327 | #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 | |
328 | #define CONFIG_SYS_INIT_SP_ADDR (LOW_LEVEL_SRAM_STACK - CONFIG_SYS_GBL_DATA_SIZE) | |
329 | ||
330 | #endif /* __CONFIG_H */ |