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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 | #include <asm/sizes.h> | |
23 | ||
24 | /* | |
25 | * High Level Configuration Options | |
26 | */ | |
27 | #define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */ | |
28 | #define CONFIG_OMAP 1 /* in a TI OMAP core */ | |
29 | #define CONFIG_OMAP34XX 1 /* which is a 34XX */ | |
30 | #define CONFIG_OMAP3430 1 /* which is in a 3430 */ | |
31 | #define CONFIG_OMAP3_OVERO 1 /* working with overo */ | |
32 | ||
33 | #include <asm/arch/cpu.h> /* get chip and board defs */ | |
34 | #include <asm/arch/omap3.h> | |
35 | ||
36 | /* Clock Defines */ | |
37 | #define V_OSCK 26000000 /* Clock output from T2 */ | |
38 | #define V_SCLK (V_OSCK >> 1) | |
39 | ||
40 | #undef CONFIG_USE_IRQ /* no support for IRQs */ | |
41 | #define CONFIG_MISC_INIT_R | |
42 | ||
43 | #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ | |
44 | #define CONFIG_SETUP_MEMORY_TAGS 1 | |
45 | #define CONFIG_INITRD_TAG 1 | |
46 | #define CONFIG_REVISION_TAG 1 | |
47 | ||
48 | /* | |
49 | * Size of malloc() pool | |
50 | */ | |
51 | #define CONFIG_ENV_SIZE SZ_128K /* Total Size Environment */ | |
52 | /* Sector */ | |
53 | #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + SZ_128K) | |
54 | #define CONFIG_SYS_GBL_DATA_SIZE 128 /* bytes reserved for */ | |
55 | /* initial data */ | |
56 | ||
57 | /* | |
58 | * Hardware drivers | |
59 | */ | |
60 | ||
61 | /* | |
62 | * NS16550 Configuration | |
63 | */ | |
64 | #define V_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */ | |
65 | ||
66 | #define CONFIG_SYS_NS16550 | |
67 | #define CONFIG_SYS_NS16550_SERIAL | |
68 | #define CONFIG_SYS_NS16550_REG_SIZE (-4) | |
69 | #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK | |
70 | ||
71 | /* | |
72 | * select serial console configuration | |
73 | */ | |
74 | #define CONFIG_CONS_INDEX 3 | |
75 | #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3 | |
76 | #define CONFIG_SERIAL3 3 | |
77 | ||
78 | /* allow to overwrite serial and ethaddr */ | |
79 | #define CONFIG_ENV_OVERWRITE | |
80 | #define CONFIG_BAUDRATE 115200 | |
81 | #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600, \ | |
82 | 115200} | |
83 | #define CONFIG_MMC 1 | |
84 | #define CONFIG_OMAP3_MMC 1 | |
85 | #define CONFIG_DOS_PARTITION 1 | |
86 | ||
87 | /* commands to include */ | |
88 | #include <config_cmd_default.h> | |
89 | ||
90 | #define CONFIG_CMD_EXT2 /* EXT2 Support */ | |
91 | #define CONFIG_CMD_FAT /* FAT support */ | |
92 | #define CONFIG_CMD_JFFS2 /* JFFS2 Support */ | |
93 | ||
94 | #define CONFIG_CMD_I2C /* I2C serial bus support */ | |
95 | #define CONFIG_CMD_MMC /* MMC support */ | |
96 | #define CONFIG_CMD_NAND /* NAND support */ | |
97 | ||
98 | #undef CONFIG_CMD_FLASH /* flinfo, erase, protect */ | |
99 | #undef CONFIG_CMD_FPGA /* FPGA configuration Support */ | |
100 | #undef CONFIG_CMD_IMI /* iminfo */ | |
101 | #undef CONFIG_CMD_IMLS /* List all found images */ | |
102 | #undef CONFIG_CMD_NET /* bootp, tftpboot, rarpboot */ | |
103 | #undef CONFIG_CMD_NFS /* NFS support */ | |
104 | ||
105 | #define CONFIG_SYS_NO_FLASH | |
106 | #define CONFIG_SYS_I2C_SPEED 100000 | |
107 | #define CONFIG_SYS_I2C_SLAVE 1 | |
108 | #define CONFIG_SYS_I2C_BUS 0 | |
109 | #define CONFIG_SYS_I2C_BUS_SELECT 1 | |
110 | #define CONFIG_DRIVER_OMAP34XX_I2C 1 | |
111 | ||
112 | /* | |
113 | * Board NAND Info. | |
114 | */ | |
115 | #define CONFIG_NAND_OMAP_GPMC | |
116 | #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ | |
117 | /* to access nand */ | |
118 | #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */ | |
119 | /* to access nand */ | |
120 | /* at CS0 */ | |
121 | #define GPMC_NAND_ECC_LP_x16_LAYOUT 1 | |
122 | ||
123 | #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */ | |
124 | /* devices */ | |
125 | #define SECTORSIZE 512 | |
126 | ||
127 | #define NAND_ALLOW_ERASE_ALL | |
128 | #define ADDR_COLUMN 1 | |
129 | #define ADDR_PAGE 2 | |
130 | #define ADDR_COLUMN_PAGE 3 | |
131 | ||
132 | #define NAND_ChipID_UNKNOWN 0x00 | |
133 | #define NAND_MAX_FLOORS 1 | |
134 | #define NAND_MAX_CHIPS 1 | |
135 | #define NAND_NO_RB 1 | |
136 | #define CONFIG_SYS_NAND_WP | |
137 | ||
138 | #define CONFIG_JFFS2_NAND | |
139 | /* nand device jffs2 lives on */ | |
140 | #define CONFIG_JFFS2_DEV "nand0" | |
141 | /* start of jffs2 partition */ | |
142 | #define CONFIG_JFFS2_PART_OFFSET 0x680000 | |
143 | #define CONFIG_JFFS2_PART_SIZE 0xf980000 /* size of jffs2 */ | |
144 | /* partition */ | |
145 | ||
146 | /* Environment information */ | |
147 | #define CONFIG_BOOTDELAY 5 | |
148 | ||
149 | #define CONFIG_EXTRA_ENV_SETTINGS \ | |
150 | "loadaddr=0x82000000\0" \ | |
151 | "console=ttyS2,115200n8\0" \ | |
152 | "videomode=1024x768@60,vxres=1024,vyres=768\0" \ | |
153 | "videospec=omapfb:vram:2M,vram:4M\0" \ | |
154 | "mmcargs=setenv bootargs console=${console} " \ | |
155 | "video=${videospec},mode:${videomode} " \ | |
156 | "root=/dev/mmcblk0p2 rw " \ | |
157 | "rootfstype=ext3 rootwait\0" \ | |
158 | "nandargs=setenv bootargs console=${console} " \ | |
159 | "video=${videospec},mode:${videomode} " \ | |
160 | "root=/dev/mtdblock4 rw " \ | |
161 | "rootfstype=jffs2\0" \ | |
162 | "loadbootscript=fatload mmc 0 ${loadaddr} boot.scr\0" \ | |
163 | "bootscript=echo Running bootscript from mmc ...; " \ | |
164 | "autoscr ${loadaddr}\0" \ | |
165 | "loaduimage=fatload mmc 0 ${loadaddr} uImage\0" \ | |
166 | "mmcboot=echo Booting from mmc ...; " \ | |
167 | "run mmcargs; " \ | |
168 | "bootm ${loadaddr}\0" \ | |
169 | "nandboot=echo Booting from nand ...; " \ | |
170 | "run nandargs; " \ | |
171 | "nand read ${loadaddr} 280000 400000; " \ | |
172 | "bootm ${loadaddr}\0" \ | |
173 | ||
174 | #define CONFIG_BOOTCOMMAND \ | |
175 | "if mmcinit; then " \ | |
176 | "if run loadbootscript; then " \ | |
177 | "run bootscript; " \ | |
178 | "else " \ | |
179 | "if run loaduimage; then " \ | |
180 | "run mmcboot; " \ | |
181 | "else run nandboot; " \ | |
182 | "fi; " \ | |
183 | "fi; " \ | |
184 | "else run nandboot; fi" | |
185 | ||
186 | #define CONFIG_AUTO_COMPLETE 1 | |
187 | /* | |
188 | * Miscellaneous configurable options | |
189 | */ | |
190 | #define V_PROMPT "Overo # " | |
191 | ||
192 | #define CONFIG_SYS_LONGHELP /* undef to save memory */ | |
193 | #define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */ | |
194 | #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " | |
195 | #define CONFIG_SYS_PROMPT V_PROMPT | |
196 | #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ | |
197 | /* Print Buffer Size */ | |
198 | #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ | |
199 | sizeof(CONFIG_SYS_PROMPT) + 16) | |
200 | #define CONFIG_SYS_MAXARGS 16 /* max number of command */ | |
201 | /* args */ | |
202 | /* Boot Argument Buffer Size */ | |
203 | #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE | |
204 | /* memtest works on */ | |
205 | #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) | |
206 | #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ | |
207 | 0x01F00000) /* 31MB */ | |
208 | ||
9d0fc811 DB |
209 | #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default load */ |
210 | /* address */ | |
211 | ||
212 | /* | |
213 | * 2430 has 12 GP timers, they can be driven by the SysClk (12/13/19.2) or by | |
214 | * 32KHz clk, or from external sig. This rate is divided by a local divisor. | |
215 | */ | |
9d0fc811 | 216 | #define CONFIG_SYS_TIMERBASE (OMAP34XX_GPT2) |
81472d89 LM |
217 | #define CONFIG_SYS_PTV 7 /* 2^(PTV+1) */ |
218 | #define CONFIG_SYS_HZ ((V_SCLK) / (2 << CONFIG_SYS_PTV)) | |
9d0fc811 DB |
219 | |
220 | /*----------------------------------------------------------------------- | |
221 | * Stack sizes | |
222 | * | |
223 | * The stack sizes are set up in start.S using the settings below | |
224 | */ | |
225 | #define CONFIG_STACKSIZE SZ_128K /* regular stack */ | |
226 | #ifdef CONFIG_USE_IRQ | |
227 | #define CONFIG_STACKSIZE_IRQ SZ_4K /* IRQ stack */ | |
228 | #define CONFIG_STACKSIZE_FIQ SZ_4K /* FIQ stack */ | |
229 | #endif | |
230 | ||
231 | /*----------------------------------------------------------------------- | |
232 | * Physical Memory Map | |
233 | */ | |
234 | #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */ | |
235 | #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0 | |
236 | #define PHYS_SDRAM_1_SIZE SZ_32M /* at least 32 meg */ | |
237 | #define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1 | |
238 | ||
239 | /* SDRAM Bank Allocation method */ | |
240 | #define SDRC_R_B_C 1 | |
241 | ||
242 | /*----------------------------------------------------------------------- | |
243 | * FLASH and environment organization | |
244 | */ | |
245 | ||
246 | /* **** PISMO SUPPORT *** */ | |
247 | ||
248 | /* Configure the PISMO */ | |
249 | #define PISMO1_NAND_SIZE GPMC_SIZE_128M | |
250 | #define PISMO1_ONEN_SIZE GPMC_SIZE_128M | |
251 | ||
252 | #define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors on */ | |
253 | /* one chip */ | |
254 | #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ | |
255 | #define CONFIG_SYS_MONITOR_LEN SZ_256K /* Reserve 2 sectors */ | |
256 | ||
257 | #define CONFIG_SYS_FLASH_BASE boot_flash_base | |
258 | ||
259 | /* Monitor at start of flash */ | |
260 | #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE | |
261 | #define CONFIG_SYS_ONENAND_BASE ONENAND_MAP | |
262 | ||
263 | #define CONFIG_ENV_IS_IN_NAND 1 | |
264 | #define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */ | |
265 | #define SMNAND_ENV_OFFSET 0x240000 /* environment starts here */ | |
266 | ||
267 | #define CONFIG_SYS_ENV_SECT_SIZE boot_flash_sec | |
268 | #define CONFIG_ENV_OFFSET boot_flash_off | |
269 | #define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET | |
270 | ||
271 | /*----------------------------------------------------------------------- | |
272 | * CFI FLASH driver setup | |
273 | */ | |
274 | /* timeout values are in ticks */ | |
275 | #define CONFIG_SYS_FLASH_ERASE_TOUT (100 * CONFIG_SYS_HZ) | |
276 | #define CONFIG_SYS_FLASH_WRITE_TOUT (100 * CONFIG_SYS_HZ) | |
277 | ||
278 | /* Flash banks JFFS2 should use */ | |
279 | #define CONFIG_SYS_MAX_MTD_BANKS (CONFIG_SYS_MAX_FLASH_BANKS + \ | |
280 | CONFIG_SYS_MAX_NAND_DEVICE) | |
281 | #define CONFIG_SYS_JFFS2_MEM_NAND | |
282 | /* use flash_info[2] */ | |
283 | #define CONFIG_SYS_JFFS2_FIRST_BANK CONFIG_SYS_MAX_FLASH_BANKS | |
284 | #define CONFIG_SYS_JFFS2_NUM_BANKS 1 | |
285 | ||
286 | #ifndef __ASSEMBLY__ | |
287 | extern gpmc_csx_t *nand_cs_base; | |
288 | extern gpmc_t *gpmc_cfg_base; | |
289 | extern unsigned int boot_flash_base; | |
290 | extern volatile unsigned int boot_flash_env_addr; | |
291 | extern unsigned int boot_flash_off; | |
292 | extern unsigned int boot_flash_sec; | |
293 | extern unsigned int boot_flash_type; | |
294 | #endif | |
295 | ||
296 | ||
297 | #define WRITE_NAND_COMMAND(d, adr)\ | |
298 | writel(d, &nand_cs_base->nand_cmd) | |
299 | #define WRITE_NAND_ADDRESS(d, adr)\ | |
300 | writel(d, &nand_cs_base->nand_adr) | |
301 | #define WRITE_NAND(d, adr) writew(d, &nand_cs_base->nand_dat) | |
302 | #define READ_NAND(adr) readl(&nand_cs_base->nand_dat) | |
303 | ||
304 | /* Other NAND Access APIs */ | |
305 | #define NAND_WP_OFF() do {readl(&gpmc_cfg_base->config) |= GPMC_CONFIG_WP; } \ | |
306 | while (0) | |
307 | #define NAND_WP_ON() do {readl(&gpmc_cfg_base->config) &= ~GPMC_CONFIG_WP; } \ | |
308 | while (0) | |
309 | #define NAND_DISABLE_CE(nand) | |
310 | #define NAND_ENABLE_CE(nand) | |
311 | #define NAND_WAIT_READY(nand) udelay(10) | |
312 | ||
313 | #endif /* __CONFIG_H */ |