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1 /*
2 * am335x_evm.h
3 *
4 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation version 2.
9 *
10 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
11 * kind, whether express or implied; without even the implied warranty
12 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15
16 #ifndef __CONFIG_AM335X_EVM_H
17 #define __CONFIG_AM335X_EVM_H
18
19 #define CONFIG_AM33XX
20
21 #include <asm/arch/cpu.h>
22 #include <asm/arch/hardware.h>
23
24 #define CONFIG_DMA_COHERENT
25 #define CONFIG_DMA_COHERENT_SIZE (1 << 20)
26
27 #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB */
28 #define CONFIG_SYS_MALLOC_LEN (1024 << 10)
29 #define CONFIG_SYS_LONGHELP /* undef to save memory */
30 #define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */
31 #define CONFIG_SYS_PROMPT "U-Boot# "
32 #define CONFIG_BOARD_LATE_INIT
33 #define CONFIG_SYS_NO_FLASH
34 #define MACH_TYPE_TIAM335EVM 3589 /* Until the next sync */
35 #define CONFIG_MACH_TYPE MACH_TYPE_TIAM335EVM
36
37 #define CONFIG_OF_LIBFDT
38 #define CONFIG_CMD_BOOTZ
39 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
40 #define CONFIG_SETUP_MEMORY_TAGS
41 #define CONFIG_INITRD_TAG
42
43 /* commands to include */
44 #include <config_cmd_default.h>
45
46 #define CONFIG_CMD_ASKENV
47 #define CONFIG_VERSION_VARIABLE
48
49 /* set to negative value for no autoboot */
50 #define CONFIG_BOOTDELAY 1
51 #define CONFIG_ENV_VARS_UBOOT_CONFIG
52 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
53 #ifndef CONFIG_SPL_BUILD
54 #define CONFIG_EXTRA_ENV_SETTINGS \
55 "loadaddr=0x80200000\0" \
56 "fdtaddr=0x80F80000\0" \
57 "fdt_high=0xffffffff\0" \
58 "rdaddr=0x81000000\0" \
59 "bootdir=/boot\0" \
60 "bootfile=uImage\0" \
61 "fdtfile=\0" \
62 "console=ttyO0,115200n8\0" \
63 "optargs=\0" \
64 "mmcdev=0\0" \
65 "mmcroot=/dev/mmcblk0p2 ro\0" \
66 "mmcrootfstype=ext4 rootwait\0" \
67 "bootpart=0:2\0" \
68 "nandroot=ubi0:rootfs rw ubi.mtd=7,2048\0" \
69 "nandrootfstype=ubifs rootwait=1\0" \
70 "nandsrcaddr=0x280000\0" \
71 "nandimgsize=0x500000\0" \
72 "rootpath=/export/rootfs\0" \
73 "nfsopts=nolock\0" \
74 "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
75 "::off\0" \
76 "ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \
77 "ramrootfstype=ext2\0" \
78 "mmcargs=setenv bootargs console=${console} " \
79 "${optargs} " \
80 "root=${mmcroot} " \
81 "rootfstype=${mmcrootfstype}\0" \
82 "nandargs=setenv bootargs console=${console} " \
83 "${optargs} " \
84 "root=${nandroot} " \
85 "rootfstype=${nandrootfstype}\0" \
86 "spiroot=/dev/mtdblock4 rw\0" \
87 "spirootfstype=jffs2\0" \
88 "spisrcaddr=0xe0000\0" \
89 "spiimgsize=0x362000\0" \
90 "spibusno=0\0" \
91 "spiargs=setenv bootargs console=${console} " \
92 "${optargs} " \
93 "root=${spiroot} " \
94 "rootfstype=${spirootfstype}\0" \
95 "netargs=setenv bootargs console=${console} " \
96 "${optargs} " \
97 "root=/dev/nfs " \
98 "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
99 "ip=dhcp\0" \
100 "bootenv=uEnv.txt\0" \
101 "loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
102 "importbootenv=echo Importing environment from mmc ...; " \
103 "env import -t $loadaddr $filesize\0" \
104 "ramargs=setenv bootargs console=${console} " \
105 "${optargs} " \
106 "root=${ramroot} " \
107 "rootfstype=${ramrootfstype}\0" \
108 "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \
109 "loaduimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
110 "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
111 "mmcboot=echo Booting from mmc ...; " \
112 "run mmcargs; " \
113 "bootm ${loadaddr} - ${fdtaddr}\0" \
114 "nandboot=echo Booting from nand ...; " \
115 "run nandargs; " \
116 "nand read ${loadaddr} ${nandsrcaddr} ${nandimgsize}; " \
117 "bootm ${loadaddr}\0" \
118 "spiboot=echo Booting from spi ...; " \
119 "run spiargs; " \
120 "sf probe ${spibusno}:0; " \
121 "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \
122 "bootm ${loadaddr}\0" \
123 "netboot=echo Booting from network ...; " \
124 "setenv autoload no; " \
125 "dhcp; " \
126 "tftp ${loadaddr} ${bootfile}; " \
127 "tftp ${fdtaddr} ${fdtfile}; " \
128 "run netargs; " \
129 "bootm ${loadaddr} - ${fdtaddr}\0" \
130 "ramboot=echo Booting from ramdisk ...; " \
131 "run ramargs; " \
132 "bootm ${loadaddr} ${rdaddr} ${fdtaddr}\0" \
133 "findfdt="\
134 "if test $board_name = A335BONE; then " \
135 "setenv fdtfile am335x-bone.dtb; fi; " \
136 "if test $board_name = A335BNLT; then " \
137 "setenv fdtfile am335x-boneblack.dtb; fi; " \
138 "if test $board_name = A33515BB; then " \
139 "setenv fdtfile am335x-evm.dtb; fi; " \
140 "if test $board_name = A335X_SK; then " \
141 "setenv fdtfile am335x-evmsk.dtb; fi\0" \
142
143 #endif
144
145 #define CONFIG_BOOTCOMMAND \
146 "run findfdt; " \
147 "mmc dev ${mmcdev}; if mmc rescan; then " \
148 "echo SD/MMC found on device ${mmcdev};" \
149 "if run loadbootenv; then " \
150 "echo Loaded environment from ${bootenv};" \
151 "run importbootenv;" \
152 "fi;" \
153 "if test -n $uenvcmd; then " \
154 "echo Running uenvcmd ...;" \
155 "run uenvcmd;" \
156 "fi;" \
157 "if run loaduimage; then " \
158 "run loadfdt;" \
159 "run mmcboot;" \
160 "fi;" \
161 "else " \
162 "run nandboot;" \
163 "fi;" \
164
165 /* Clock Defines */
166 #define V_OSCK 24000000 /* Clock output from T2 */
167 #define V_SCLK (V_OSCK)
168
169 #define CONFIG_CMD_ECHO
170
171 /* max number of command args */
172 #define CONFIG_SYS_MAXARGS 16
173
174 /* Console I/O Buffer Size */
175 #define CONFIG_SYS_CBSIZE 512
176
177 /* Print Buffer Size */
178 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \
179 + sizeof(CONFIG_SYS_PROMPT) + 16)
180
181 /* Boot Argument Buffer Size */
182 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
183
184 /*
185 * memtest works on 8 MB in DRAM after skipping 32MB from
186 * start addr of ram disk
187 */
188 #define CONFIG_SYS_MEMTEST_START (PHYS_DRAM_1 + (64 * 1024 * 1024))
189 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START \
190 + (8 * 1024 * 1024))
191
192 #define CONFIG_SYS_LOAD_ADDR 0x81000000 /* Default load address */
193 #define CONFIG_SYS_HZ 1000 /* 1ms clock */
194
195 #define CONFIG_MMC
196 #define CONFIG_GENERIC_MMC
197 #define CONFIG_OMAP_HSMMC
198 #define CONFIG_CMD_MMC
199 #define CONFIG_DOS_PARTITION
200 #define CONFIG_CMD_FAT
201 #define CONFIG_CMD_EXT2
202 #define CONFIG_CMD_EXT4
203 #define CONFIG_CMD_FS_GENERIC
204
205 #define CONFIG_SPI
206 #define CONFIG_OMAP3_SPI
207 #define CONFIG_MTD_DEVICE
208 #define CONFIG_SPI_FLASH
209 #define CONFIG_SPI_FLASH_WINBOND
210 #define CONFIG_CMD_SF
211 #define CONFIG_SF_DEFAULT_SPEED (24000000)
212
213 /* Physical Memory Map */
214 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */
215 #define PHYS_DRAM_1 0x80000000 /* DRAM Bank #1 */
216 #define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */
217
218 #define CONFIG_SYS_SDRAM_BASE PHYS_DRAM_1
219 #define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \
220 GENERATED_GBL_DATA_SIZE)
221 /* Platform/Board specific defs */
222 #define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */
223 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
224 #define CONFIG_SYS_HZ 1000
225
226 /* NS16550 Configuration */
227 #define CONFIG_SYS_NS16550
228 #define CONFIG_SYS_NS16550_SERIAL
229 #define CONFIG_SERIAL_MULTI
230 #define CONFIG_SYS_NS16550_REG_SIZE (-4)
231 #define CONFIG_SYS_NS16550_CLK (48000000)
232 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */
233 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */
234 #define CONFIG_SYS_NS16550_COM3 0x48024000 /* UART2 */
235 #define CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */
236 #define CONFIG_SYS_NS16550_COM5 0x481a8000 /* UART4 */
237 #define CONFIG_SYS_NS16550_COM6 0x481aa000 /* UART5 */
238
239 /* I2C Configuration */
240 #define CONFIG_I2C
241 #define CONFIG_CMD_I2C
242 #define CONFIG_HARD_I2C
243 #define CONFIG_SYS_I2C_SPEED 100000
244 #define CONFIG_SYS_I2C_SLAVE 1
245 #define CONFIG_I2C_MULTI_BUS
246 #define CONFIG_DRIVER_OMAP24XX_I2C
247 #define CONFIG_CMD_EEPROM
248 #define CONFIG_ENV_EEPROM_IS_ON_I2C
249 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */
250 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
251 #define CONFIG_SYS_I2C_MULTI_EEPROMS
252
253 #define CONFIG_OMAP_GPIO
254
255 #define CONFIG_BAUDRATE 115200
256 #define CONFIG_SYS_BAUDRATE_TABLE { 110, 300, 600, 1200, 2400, \
257 4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 }
258
259 #define CONFIG_ENV_OVERWRITE 1
260 #define CONFIG_SYS_CONSOLE_INFO_QUIET
261
262 #define CONFIG_ENV_IS_NOWHERE
263
264 /* Defines for SPL */
265 #define CONFIG_SPL
266 #define CONFIG_SPL_FRAMEWORK
267 #define CONFIG_SPL_TEXT_BASE 0x402F0400
268 #define CONFIG_SPL_MAX_SIZE (101 * 1024)
269 #define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR
270
271 #define CONFIG_SPL_BSS_START_ADDR 0x80000000
272 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
273
274 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */
275 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */
276 #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1
277 #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img"
278 #define CONFIG_SPL_MMC_SUPPORT
279 #define CONFIG_SPL_FAT_SUPPORT
280 #define CONFIG_SPL_I2C_SUPPORT
281
282 #define CONFIG_SPL_LIBCOMMON_SUPPORT
283 #define CONFIG_SPL_LIBDISK_SUPPORT
284 #define CONFIG_SPL_LIBGENERIC_SUPPORT
285 #define CONFIG_SPL_SERIAL_SUPPORT
286 #define CONFIG_SPL_GPIO_SUPPORT
287 #define CONFIG_SPL_YMODEM_SUPPORT
288 #define CONFIG_SPL_NET_SUPPORT
289 #define CONFIG_SPL_NET_VCI_STRING "AM335x U-Boot SPL"
290 #define CONFIG_SPL_ETH_SUPPORT
291 #define CONFIG_SPL_SPI_SUPPORT
292 #define CONFIG_SPL_SPI_FLASH_SUPPORT
293 #define CONFIG_SPL_SPI_LOAD
294 #define CONFIG_SPL_SPI_BUS 0
295 #define CONFIG_SPL_SPI_CS 0
296 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x80000
297 #define CONFIG_SPL_MUSB_NEW_SUPPORT
298 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds"
299
300 #define CONFIG_SPL_BOARD_INIT
301 #define CONFIG_SPL_NAND_AM33XX_BCH
302 #define CONFIG_SPL_NAND_SUPPORT
303 #define CONFIG_SPL_NAND_BASE
304 #define CONFIG_SPL_NAND_DRIVERS
305 #define CONFIG_SPL_NAND_ECC
306 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
307 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \
308 CONFIG_SYS_NAND_PAGE_SIZE)
309 #define CONFIG_SYS_NAND_PAGE_SIZE 2048
310 #define CONFIG_SYS_NAND_OOBSIZE 64
311 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024)
312 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
313 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \
314 10, 11, 12, 13, 14, 15, 16, 17, \
315 18, 19, 20, 21, 22, 23, 24, 25, \
316 26, 27, 28, 29, 30, 31, 32, 33, \
317 34, 35, 36, 37, 38, 39, 40, 41, \
318 42, 43, 44, 45, 46, 47, 48, 49, \
319 50, 51, 52, 53, 54, 55, 56, 57, }
320
321 #define CONFIG_SYS_NAND_ECCSIZE 512
322 #define CONFIG_SYS_NAND_ECCBYTES 14
323
324 #define CONFIG_SYS_NAND_ECCSTEPS 4
325 #define CONFIG_SYS_NAND_ECCTOTAL (CONFIG_SYS_NAND_ECCBYTES * \
326 CONFIG_SYS_NAND_ECCSTEPS)
327
328 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
329
330 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
331
332 /*
333 * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
334 * 64 bytes before this address should be set aside for u-boot.img's
335 * header. That is 0x800FFFC0--0x80100000 should not be used for any
336 * other needs.
337 */
338 #define CONFIG_SYS_TEXT_BASE 0x80800000
339 #define CONFIG_SYS_SPL_MALLOC_START 0x80208000
340 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000
341
342 /* Since SPL did pll and ddr initialization for us,
343 * we don't need to do it twice.
344 */
345 #ifndef CONFIG_SPL_BUILD
346 #define CONFIG_SKIP_LOWLEVEL_INIT
347 #endif
348
349 /*
350 * USB configuration
351 */
352 #define CONFIG_USB_MUSB_DSPS
353 #define CONFIG_ARCH_MISC_INIT
354 #define CONFIG_MUSB_GADGET
355 #define CONFIG_MUSB_PIO_ONLY
356 #define CONFIG_USB_GADGET_DUALSPEED
357 #define CONFIG_MUSB_HOST
358 #define CONFIG_AM335X_USB0
359 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL
360 #define CONFIG_AM335X_USB1
361 #define CONFIG_AM335X_USB1_MODE MUSB_HOST
362
363 #ifdef CONFIG_MUSB_HOST
364 #define CONFIG_CMD_USB
365 #define CONFIG_USB_STORAGE
366 #endif
367
368 #ifdef CONFIG_MUSB_GADGET
369 #define CONFIG_USB_ETHER
370 #define CONFIG_USB_ETH_RNDIS
371 #define CONFIG_USBNET_HOST_ADDR "de:ad:be:af:00:00"
372 #endif /* CONFIG_MUSB_GADGET */
373
374 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT)
375 /* disable host part of MUSB in SPL */
376 #undef CONFIG_MUSB_HOST
377 /*
378 * Disable CPSW SPL support so we fit within the 101KiB limit.
379 */
380 #undef CONFIG_SPL_ETH_SUPPORT
381 #endif
382
383 /*
384 * Default to using SPI for environment, etc. We have multiple copies
385 * of SPL as the ROM will check these locations.
386 * 0x0 - 0x20000 : First copy of SPL
387 * 0x20000 - 0x40000 : Second copy of SPL
388 * 0x40000 - 0x60000 : Third copy of SPL
389 * 0x60000 - 0x80000 : Fourth copy of SPL
390 * 0x80000 - 0xDF000 : U-Boot
391 * 0xDF000 - 0xE0000 : U-Boot Environment
392 * 0xE0000 - 0x442000 : Linux Kernel
393 * 0x442000 - 0x800000 : Userland
394 */
395 #if defined(CONFIG_SPI_BOOT)
396 # undef CONFIG_ENV_IS_NOWHERE
397 # define CONFIG_ENV_IS_IN_SPI_FLASH
398 # define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
399 # define CONFIG_ENV_OFFSET (892 << 10) /* 892 KiB in */
400 # define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */
401 #endif /* SPI support */
402
403 /* Unsupported features */
404 #undef CONFIG_USE_IRQ
405
406 #define CONFIG_CMD_NET
407 #define CONFIG_CMD_DHCP
408 #define CONFIG_CMD_PING
409 #define CONFIG_DRIVER_TI_CPSW
410 #define CONFIG_MII
411 #define CONFIG_BOOTP_DEFAULT
412 #define CONFIG_BOOTP_DNS
413 #define CONFIG_BOOTP_DNS2
414 #define CONFIG_BOOTP_SEND_HOSTNAME
415 #define CONFIG_BOOTP_GATEWAY
416 #define CONFIG_BOOTP_SUBNETMASK
417 #define CONFIG_NET_RETRY_COUNT 10
418 #define CONFIG_NET_MULTI
419 #define CONFIG_PHY_GIGE
420 #define CONFIG_PHYLIB
421 #define CONFIG_PHY_ADDR 0
422 #define CONFIG_PHY_SMSC
423
424 #define CONFIG_NAND
425 /* NAND support */
426 #ifdef CONFIG_NAND
427 #define CONFIG_CMD_NAND
428 #define CONFIG_NAND_OMAP_GPMC
429 #define GPMC_NAND_ECC_LP_x16_LAYOUT 1
430 #define CONFIG_SYS_NAND_BASE (0x08000000) /* physical address */
431 /* to access nand at */
432 /* CS0 */
433 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND
434 devices */
435 #if !defined(CONFIG_SPI_BOOT)
436 #undef CONFIG_ENV_IS_NOWHERE
437 #define CONFIG_ENV_IS_IN_NAND
438 #define CONFIG_ENV_OFFSET 0x260000 /* environment starts here */
439 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
440 #endif
441 #endif
442
443 #endif /* ! __CONFIG_AM335X_EVM_H */