ARMV7: OMAP3: Cleanup extern variables in mem.c
[platform/kernel/u-boot.git] / include / configs / omap3_beagle.h
1 /*
2  * (C) Copyright 2006-2008
3  * Texas Instruments.
4  * Richard Woodruff <r-woodruff2@ti.com>
5  * Syed Mohammed Khasim <x0khasim@ti.com>
6  *
7  * Configuration settings for the TI OMAP3530 Beagle 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_ARMV7            1       /* This is an ARM V7 CPU core */
35 #define CONFIG_OMAP             1       /* in a TI OMAP core */
36 #define CONFIG_OMAP34XX         1       /* which is a 34XX */
37 #define CONFIG_OMAP3430         1       /* which is in a 3430 */
38 #define CONFIG_OMAP3_BEAGLE     1       /* working with BEAGLE */
39
40 #define CONFIG_SDRC     /* The chip has SDRC controller */
41
42 #include <asm/arch/cpu.h>               /* get chip and board defs */
43 #include <asm/arch/omap3.h>
44
45 /*
46  * Display CPU and Board information
47  */
48 #define CONFIG_DISPLAY_CPUINFO          1
49 #define CONFIG_DISPLAY_BOARDINFO        1
50
51 /* Clock Defines */
52 #define V_OSCK                  26000000        /* Clock output from T2 */
53 #define V_SCLK                  (V_OSCK >> 1)
54
55 #undef CONFIG_USE_IRQ                           /* no support for IRQs */
56 #define CONFIG_MISC_INIT_R
57
58 #define CONFIG_OF_LIBFDT                1
59 /*
60  * The early kernel mapping on ARM currently only maps from the base of DRAM
61  * to the end of the kernel image.  The kernel is loaded at DRAM base + 0x8000.
62  * The early kernel pagetable uses DRAM base + 0x4000 to DRAM base + 0x8000,
63  * so that leaves DRAM base to DRAM base + 0x4000 available.
64  */
65 #define CONFIG_SYS_BOOTMAPSZ            0x4000
66
67 #define CONFIG_CMDLINE_TAG              1       /* enable passing of ATAGs */
68 #define CONFIG_SETUP_MEMORY_TAGS        1
69 #define CONFIG_INITRD_TAG               1
70 #define CONFIG_REVISION_TAG             1
71
72 /*
73  * Size of malloc() pool
74  */
75 #define CONFIG_ENV_SIZE                 (128 << 10)     /* 128 KiB */
76                                                 /* Sector */
77 #define CONFIG_SYS_MALLOC_LEN           (CONFIG_ENV_SIZE + (128 << 10))
78                                                 /* initial data */
79
80 /*
81  * Hardware drivers
82  */
83
84 /*
85  * NS16550 Configuration
86  */
87 #define V_NS16550_CLK                   48000000        /* 48MHz (APLL96/2) */
88
89 #define CONFIG_SYS_NS16550
90 #define CONFIG_SYS_NS16550_SERIAL
91 #define CONFIG_SYS_NS16550_REG_SIZE     (-4)
92 #define CONFIG_SYS_NS16550_CLK          V_NS16550_CLK
93
94 /*
95  * select serial console configuration
96  */
97 #define CONFIG_CONS_INDEX               3
98 #define CONFIG_SYS_NS16550_COM3         OMAP34XX_UART3
99 #define CONFIG_SERIAL3                  3       /* UART3 on Beagle Rev 2 */
100
101 /* allow to overwrite serial and ethaddr */
102 #define CONFIG_ENV_OVERWRITE
103 #define CONFIG_BAUDRATE                 115200
104 #define CONFIG_SYS_BAUDRATE_TABLE       {4800, 9600, 19200, 38400, 57600,\
105                                         115200}
106 #define CONFIG_GENERIC_MMC              1
107 #define CONFIG_MMC                      1
108 #define CONFIG_OMAP_HSMMC               1
109 #define CONFIG_DOS_PARTITION            1
110
111 /* Status LED */
112 #define CONFIG_STATUS_LED               1
113 #define CONFIG_BOARD_SPECIFIC_LED       1
114 #define STATUS_LED_BIT                  0x01
115 #define STATUS_LED_STATE                STATUS_LED_ON
116 #define STATUS_LED_PERIOD               (CONFIG_SYS_HZ / 2)
117 #define STATUS_LED_BIT1                 0x02
118 #define STATUS_LED_STATE1               STATUS_LED_ON
119 #define STATUS_LED_PERIOD1              (CONFIG_SYS_HZ / 2)
120 #define STATUS_LED_BOOT                 STATUS_LED_BIT
121 #define STATUS_LED_GREEN                STATUS_LED_BIT1
122
123 /* DDR - I use Micron DDR */
124 #define CONFIG_OMAP3_MICRON_DDR         1
125
126 /* USB */
127 #define CONFIG_MUSB_UDC                 1
128 #define CONFIG_USB_OMAP3                1
129 #define CONFIG_TWL4030_USB              1
130
131 /* USB device configuration */
132 #define CONFIG_USB_DEVICE               1
133 #define CONFIG_USB_TTY                  1
134 #define CONFIG_SYS_CONSOLE_IS_IN_ENV    1
135
136 /* USB EHCI */
137 #define CONFIG_CMD_USB
138 #define CONFIG_USB_EHCI
139 #define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 3
140
141 /* commands to include */
142 #include <config_cmd_default.h>
143
144 #define CONFIG_CMD_CACHE
145 #define CONFIG_CMD_EXT2         /* EXT2 Support                 */
146 #define CONFIG_CMD_FAT          /* FAT support                  */
147 #define CONFIG_CMD_JFFS2        /* JFFS2 Support                */
148 #define CONFIG_CMD_MTDPARTS     /* Enable MTD parts commands */
149 #define CONFIG_MTD_DEVICE       /* needed for mtdparts commands */
150 #define MTDIDS_DEFAULT                  "nand0=nand"
151 #define MTDPARTS_DEFAULT                "mtdparts=nand:512k(x-loader),"\
152                                         "1920k(u-boot),128k(u-boot-env),"\
153                                         "4m(kernel),-(fs)"
154
155 #define CONFIG_CMD_I2C          /* I2C serial bus support       */
156 #define CONFIG_CMD_MMC          /* MMC support                  */
157 #define CONFIG_USB_STORAGE      /* USB storage support          */
158 #define CONFIG_CMD_NAND         /* NAND support                 */
159 #define CONFIG_CMD_LED          /* LED support                  */
160
161 #undef CONFIG_CMD_FLASH         /* flinfo, erase, protect       */
162 #undef CONFIG_CMD_FPGA          /* FPGA configuration Support   */
163 #undef CONFIG_CMD_IMI           /* iminfo                       */
164 #undef CONFIG_CMD_IMLS          /* List all found images        */
165 #undef CONFIG_CMD_NET           /* bootp, tftpboot, rarpboot    */
166 #undef CONFIG_CMD_NFS           /* NFS support                  */
167
168 #define CONFIG_SYS_NO_FLASH
169 #define CONFIG_HARD_I2C                 1
170 #define CONFIG_SYS_I2C_SPEED            100000
171 #define CONFIG_SYS_I2C_SLAVE            1
172 #define CONFIG_SYS_I2C_BUS              0
173 #define CONFIG_SYS_I2C_BUS_SELECT       1
174 #define CONFIG_I2C_MULTI_BUS            1
175 #define CONFIG_DRIVER_OMAP34XX_I2C      1
176
177 /*
178  * TWL4030
179  */
180 #define CONFIG_TWL4030_POWER            1
181 #define CONFIG_TWL4030_LED              1
182
183 /*
184  * Board NAND Info.
185  */
186 #define CONFIG_SYS_NAND_QUIET_TEST      1
187 #define CONFIG_NAND_OMAP_GPMC
188 #define CONFIG_SYS_NAND_ADDR            NAND_BASE       /* physical address */
189                                                         /* to access nand */
190 #define CONFIG_SYS_NAND_BASE            NAND_BASE       /* physical address */
191                                                         /* to access nand at */
192                                                         /* CS0 */
193 #define GPMC_NAND_ECC_LP_x16_LAYOUT     1
194
195 #define CONFIG_SYS_MAX_NAND_DEVICE      1               /* Max number of NAND */
196                                                         /* devices */
197 #define CONFIG_JFFS2_NAND
198 /* nand device jffs2 lives on */
199 #define CONFIG_JFFS2_DEV                "nand0"
200 /* start of jffs2 partition */
201 #define CONFIG_JFFS2_PART_OFFSET        0x680000
202 #define CONFIG_JFFS2_PART_SIZE          0xf980000       /* size of jffs2 */
203                                                         /* partition */
204
205 /* Environment information */
206 #define CONFIG_BOOTDELAY                10
207
208 #define CONFIG_EXTRA_ENV_SETTINGS \
209         "loadaddr=0x82000000\0" \
210         "usbtty=cdc_acm\0" \
211         "console=ttyS2,115200n8\0" \
212         "mpurate=auto\0" \
213         "vram=12M\0" \
214         "dvimode=1024x768MR-16@60\0" \
215         "defaultdisplay=dvi\0" \
216         "mmcdev=0\0" \
217         "mmcroot=/dev/mmcblk0p2 rw\0" \
218         "mmcrootfstype=ext3 rootwait\0" \
219         "nandroot=/dev/mtdblock4 rw\0" \
220         "nandrootfstype=jffs2\0" \
221         "mmcargs=setenv bootargs console=${console} " \
222                 "mpurate=${mpurate} " \
223                 "vram=${vram} " \
224                 "omapfb.mode=dvi:${dvimode} " \
225                 "omapfb.debug=y " \
226                 "omapdss.def_disp=${defaultdisplay} " \
227                 "root=${mmcroot} " \
228                 "rootfstype=${mmcrootfstype}\0" \
229         "nandargs=setenv bootargs console=${console} " \
230                 "mpurate=${mpurate} " \
231                 "vram=${vram} " \
232                 "omapfb.mode=dvi:${dvimode} " \
233                 "omapfb.debug=y " \
234                 "omapdss.def_disp=${defaultdisplay} " \
235                 "root=${nandroot} " \
236                 "rootfstype=${nandrootfstype}\0" \
237         "loadbootenv=fatload mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \
238         "importbootenv=echo Importing environment from mmc ...; " \
239                 "env import -t $loadaddr $filesize\0" \
240         "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
241         "mmcboot=echo Booting from mmc ...; " \
242                 "run mmcargs; " \
243                 "bootm ${loadaddr}\0" \
244         "nandboot=echo Booting from nand ...; " \
245                 "run nandargs; " \
246                 "nand read ${loadaddr} 280000 400000; " \
247                 "bootm ${loadaddr}\0" \
248
249 #define CONFIG_BOOTCOMMAND \
250         "if mmc rescan ${mmcdev}; then " \
251                 "echo SD/MMC found on device ${mmcdev};" \
252                 "if run loadbootenv; then " \
253                         "run importbootenv;" \
254                 "fi;" \
255                 "if test -n $uenvcmd; then " \
256                         "echo Running uenvcmd ...;" \
257                         "run uenvcmd;" \
258                 "fi;" \
259                 "if run loaduimage; then " \
260                         "run mmcboot;" \
261                 "fi;" \
262         "fi;" \
263         "run nandboot;" \
264
265 #define CONFIG_AUTO_COMPLETE            1
266 /*
267  * Miscellaneous configurable options
268  */
269 #define CONFIG_SYS_LONGHELP             /* undef to save memory */
270 #define CONFIG_SYS_HUSH_PARSER          /* use "hush" command parser */
271 #define CONFIG_SYS_PROMPT_HUSH_PS2      "> "
272 #define CONFIG_SYS_PROMPT               "OMAP3 beagleboard.org # "
273 #define CONFIG_SYS_CBSIZE               256     /* Console I/O Buffer Size */
274 /* Print Buffer Size */
275 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE + \
276                                         sizeof(CONFIG_SYS_PROMPT) + 16)
277 #define CONFIG_SYS_MAXARGS              16      /* max number of command args */
278 /* Boot Argument Buffer Size */
279 #define CONFIG_SYS_BARGSIZE             (CONFIG_SYS_CBSIZE)
280
281 #define CONFIG_SYS_MEMTEST_START        (OMAP34XX_SDRC_CS0)     /* memtest */
282                                                                 /* works on */
283 #define CONFIG_SYS_MEMTEST_END          (OMAP34XX_SDRC_CS0 + \
284                                         0x01F00000) /* 31MB */
285
286 #define CONFIG_SYS_LOAD_ADDR            (OMAP34XX_SDRC_CS0)     /* default */
287                                                         /* load address */
288
289 /*
290  * OMAP3 has 12 GP timers, they can be driven by the system clock
291  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
292  * This rate is divided by a local divisor.
293  */
294 #define CONFIG_SYS_TIMERBASE            (OMAP34XX_GPT2)
295 #define CONFIG_SYS_PTV                  2       /* Divisor: 2^(PTV+1) => 8 */
296 #define CONFIG_SYS_HZ                   1000
297
298 /*-----------------------------------------------------------------------
299  * Stack sizes
300  *
301  * The stack sizes are set up in start.S using the settings below
302  */
303 #define CONFIG_STACKSIZE        (128 << 10)     /* regular stack 128 KiB */
304 #ifdef CONFIG_USE_IRQ
305 #define CONFIG_STACKSIZE_IRQ    (4 << 10)       /* IRQ stack 4 KiB */
306 #define CONFIG_STACKSIZE_FIQ    (4 << 10)       /* FIQ stack 4 KiB */
307 #endif
308
309 /*-----------------------------------------------------------------------
310  * Physical Memory Map
311  */
312 #define CONFIG_NR_DRAM_BANKS    2       /* CS1 may or may not be populated */
313 #define PHYS_SDRAM_1            OMAP34XX_SDRC_CS0
314 #define PHYS_SDRAM_1_SIZE       (32 << 20)      /* at least 32 MiB */
315 #define PHYS_SDRAM_2            OMAP34XX_SDRC_CS1
316
317 /* SDRAM Bank Allocation method */
318 #define SDRC_R_B_C              1
319
320 /*-----------------------------------------------------------------------
321  * FLASH and environment organization
322  */
323
324 /* **** PISMO SUPPORT *** */
325
326 /* Configure the PISMO */
327 #define PISMO1_NAND_SIZE                GPMC_SIZE_128M
328 #define PISMO1_ONEN_SIZE                GPMC_SIZE_128M
329
330 #define CONFIG_SYS_MONITOR_LEN          (256 << 10)     /* Reserve 2 sectors */
331
332 #if defined(CONFIG_CMD_NAND)
333 #define CONFIG_SYS_FLASH_BASE           PISMO1_NAND_BASE
334 #endif
335
336 /* Monitor at start of flash */
337 #define CONFIG_SYS_MONITOR_BASE         CONFIG_SYS_FLASH_BASE
338 #define CONFIG_SYS_ONENAND_BASE         ONENAND_MAP
339
340 #define CONFIG_ENV_IS_IN_NAND           1
341 #define ONENAND_ENV_OFFSET              0x260000 /* environment starts here */
342 #define SMNAND_ENV_OFFSET               0x260000 /* environment starts here */
343
344 #define CONFIG_SYS_ENV_SECT_SIZE        (128 << 10)     /* 128 KiB */
345 #define CONFIG_ENV_OFFSET               SMNAND_ENV_OFFSET
346 #define CONFIG_ENV_ADDR                 SMNAND_ENV_OFFSET
347
348 #define CONFIG_SYS_SDRAM_BASE           PHYS_SDRAM_1
349 #define CONFIG_SYS_INIT_RAM_ADDR        0x4020f800
350 #define CONFIG_SYS_INIT_RAM_SIZE        0x800
351 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_INIT_RAM_ADDR + \
352                                          CONFIG_SYS_INIT_RAM_SIZE - \
353                                          GENERATED_GBL_DATA_SIZE)
354
355 #define CONFIG_OMAP3_SPI
356
357 #endif /* __CONFIG_H */