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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 #include <configs/ti_am335x_common.h>
20
21 #ifndef CONFIG_SPL_BUILD
22 # define CONFIG_FIT
23 # define CONFIG_TIMESTAMP
24 # define CONFIG_LZO
25 # ifdef CONFIG_ENABLE_VBOOT
26 # define CONFIG_OF_CONTROL
27 # define CONFIG_OF_SEPARATE
28 # define CONFIG_DEFAULT_DEVICE_TREE am335x-boneblack
29 # define CONFIG_FIT_SIGNATURE
30 # define CONFIG_RSA
31 # endif
32 #endif
33
34 #define CONFIG_SYS_BOOTM_LEN (16 << 20)
35
36 #define MACH_TYPE_TIAM335EVM 3589 /* Until the next sync */
37 #define CONFIG_MACH_TYPE MACH_TYPE_TIAM335EVM
38 #define CONFIG_BOARD_LATE_INIT
39
40 /* Clock Defines */
41 #define V_OSCK 24000000 /* Clock output from T2 */
42 #define V_SCLK (V_OSCK)
43
44 /* Custom script for NOR */
45 #define CONFIG_SYS_LDSCRIPT "board/ti/am335x/u-boot.lds"
46
47 /* Always 128 KiB env size */
48 #define CONFIG_ENV_SIZE (128 << 10)
49
50 /* Enhance our eMMC support / experience. */
51 #define CONFIG_CMD_GPT
52 #define CONFIG_EFI_PARTITION
53 #define CONFIG_PARTITION_UUIDS
54 #define CONFIG_CMD_PART
55
56 #ifdef CONFIG_NAND
57 #define NANDARGS \
58 "mtdids=" MTDIDS_DEFAULT "\0" \
59 "mtdparts=" MTDPARTS_DEFAULT "\0" \
60 "nandargs=setenv bootargs console=${console} " \
61 "${optargs} " \
62 "root=${nandroot} " \
63 "rootfstype=${nandrootfstype}\0" \
64 "nandroot=ubi0:rootfs rw ubi.mtd=7,2048\0" \
65 "nandrootfstype=ubifs rootwait=1\0" \
66 "nandboot=echo Booting from nand ...; " \
67 "run nandargs; " \
68 "nand read ${fdtaddr} u-boot-spl-os; " \
69 "nand read ${loadaddr} kernel; " \
70 "bootz ${loadaddr} - ${fdtaddr}\0"
71 #else
72 #define NANDARGS ""
73 #endif
74
75 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
76
77 #ifndef CONFIG_SPL_BUILD
78 #define CONFIG_EXTRA_ENV_SETTINGS \
79 DEFAULT_LINUX_BOOT_ENV \
80 "boot_fdt=try\0" \
81 "bootpart=0:2\0" \
82 "bootdir=/boot\0" \
83 "bootfile=zImage\0" \
84 "fdtfile=undefined\0" \
85 "console=ttyO0,115200n8\0" \
86 "partitions=" \
87 "uuid_disk=${uuid_gpt_disk};" \
88 "name=rootfs,start=2MiB,size=-,uuid=${uuid_gpt_rootfs}\0" \
89 "optargs=\0" \
90 "mmcdev=0\0" \
91 "mmcroot=/dev/mmcblk0p2 ro\0" \
92 "mmcrootfstype=ext4 rootwait\0" \
93 "rootpath=/export/rootfs\0" \
94 "nfsopts=nolock\0" \
95 "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
96 "::off\0" \
97 "ramroot=/dev/ram0 rw\0" \
98 "ramrootfstype=ext2\0" \
99 "mmcargs=setenv bootargs console=${console} " \
100 "${optargs} " \
101 "root=${mmcroot} " \
102 "rootfstype=${mmcrootfstype}\0" \
103 "spiroot=/dev/mtdblock4 rw\0" \
104 "spirootfstype=jffs2\0" \
105 "spisrcaddr=0xe0000\0" \
106 "spiimgsize=0x362000\0" \
107 "spibusno=0\0" \
108 "spiargs=setenv bootargs console=${console} " \
109 "${optargs} " \
110 "root=${spiroot} " \
111 "rootfstype=${spirootfstype}\0" \
112 "netargs=setenv bootargs console=${console} " \
113 "${optargs} " \
114 "root=/dev/nfs " \
115 "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
116 "ip=dhcp\0" \
117 "bootenv=uEnv.txt\0" \
118 "loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
119 "importbootenv=echo Importing environment from mmc ...; " \
120 "env import -t -r $loadaddr $filesize\0" \
121 "ramargs=setenv bootargs console=${console} " \
122 "${optargs} " \
123 "root=${ramroot} " \
124 "rootfstype=${ramrootfstype}\0" \
125 "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \
126 "loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
127 "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
128 "mmcloados=run mmcargs; " \
129 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
130 "if run loadfdt; then " \
131 "bootz ${loadaddr} - ${fdtaddr}; " \
132 "else " \
133 "if test ${boot_fdt} = try; then " \
134 "bootz; " \
135 "else " \
136 "echo WARN: Cannot load the DT; " \
137 "fi; " \
138 "fi; " \
139 "else " \
140 "bootz; " \
141 "fi;\0" \
142 "mmcboot=mmc dev ${mmcdev}; " \
143 "if mmc rescan; then " \
144 "echo SD/MMC found on device ${mmcdev};" \
145 "if run loadbootenv; then " \
146 "echo Loaded environment from ${bootenv};" \
147 "run importbootenv;" \
148 "fi;" \
149 "if test -n $uenvcmd; then " \
150 "echo Running uenvcmd ...;" \
151 "run uenvcmd;" \
152 "fi;" \
153 "if run loadimage; then " \
154 "run mmcloados;" \
155 "fi;" \
156 "fi;\0" \
157 "spiboot=echo Booting from spi ...; " \
158 "run spiargs; " \
159 "sf probe ${spibusno}:0; " \
160 "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \
161 "bootz ${loadaddr}\0" \
162 "netboot=echo Booting from network ...; " \
163 "setenv autoload no; " \
164 "dhcp; " \
165 "tftp ${loadaddr} ${bootfile}; " \
166 "tftp ${fdtaddr} ${fdtfile}; " \
167 "run netargs; " \
168 "bootz ${loadaddr} - ${fdtaddr}\0" \
169 "ramboot=echo Booting from ramdisk ...; " \
170 "run ramargs; " \
171 "bootz ${loadaddr} ${rdaddr} ${fdtaddr}\0" \
172 "findfdt="\
173 "if test $board_name = A335BONE; then " \
174 "setenv fdtfile am335x-bone.dtb; fi; " \
175 "if test $board_name = A335BNLT; then " \
176 "setenv fdtfile am335x-boneblack.dtb; fi; " \
177 "if test $board_name = A33515BB; then " \
178 "setenv fdtfile am335x-evm.dtb; fi; " \
179 "if test $board_name = A335X_SK; then " \
180 "setenv fdtfile am335x-evmsk.dtb; fi; " \
181 "if test $fdtfile = undefined; then " \
182 "echo WARNING: Could not determine device tree to use; fi; \0" \
183 NANDARGS \
184 DFUARGS
185 #endif
186
187 #define CONFIG_BOOTCOMMAND \
188 "run findfdt; " \
189 "run mmcboot;" \
190 "setenv mmcdev 1; " \
191 "setenv bootpart 1:2; " \
192 "run mmcboot;" \
193 "run nandboot;"
194
195 /* NS16550 Configuration */
196 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */
197 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */
198 #define CONFIG_SYS_NS16550_COM3 0x48024000 /* UART2 */
199 #define CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */
200 #define CONFIG_SYS_NS16550_COM5 0x481a8000 /* UART4 */
201 #define CONFIG_SYS_NS16550_COM6 0x481aa000 /* UART5 */
202 #define CONFIG_BAUDRATE 115200
203
204 #define CONFIG_CMD_EEPROM
205 #define CONFIG_ENV_EEPROM_IS_ON_I2C
206 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */
207 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
208 #define CONFIG_SYS_I2C_MULTI_EEPROMS
209
210 /* PMIC support */
211 #define CONFIG_POWER_TPS65217
212 #define CONFIG_POWER_TPS65910
213
214 /* SPL */
215 #ifndef CONFIG_NOR_BOOT
216 #define CONFIG_SPL_POWER_SUPPORT
217 #define CONFIG_SPL_YMODEM_SUPPORT
218
219 /* Bootcount using the RTC block */
220 #define CONFIG_BOOTCOUNT_LIMIT
221 #define CONFIG_BOOTCOUNT_AM33XX
222
223 /* USB gadget RNDIS */
224 #define CONFIG_SPL_MUSB_NEW_SUPPORT
225
226 /* General network SPL, both CPSW and USB gadget RNDIS */
227 #define CONFIG_SPL_NET_SUPPORT
228 #define CONFIG_SPL_ENV_SUPPORT
229 #define CONFIG_SPL_NET_VCI_STRING "AM335x U-Boot SPL"
230
231 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds"
232
233 #ifdef CONFIG_NAND
234 #define CONFIG_NAND_OMAP_GPMC
235 #define CONFIG_NAND_OMAP_ELM
236 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
237 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \
238 CONFIG_SYS_NAND_PAGE_SIZE)
239 #define CONFIG_SYS_NAND_PAGE_SIZE 2048
240 #define CONFIG_SYS_NAND_OOBSIZE 64
241 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024)
242 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
243 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \
244 10, 11, 12, 13, 14, 15, 16, 17, \
245 18, 19, 20, 21, 22, 23, 24, 25, \
246 26, 27, 28, 29, 30, 31, 32, 33, \
247 34, 35, 36, 37, 38, 39, 40, 41, \
248 42, 43, 44, 45, 46, 47, 48, 49, \
249 50, 51, 52, 53, 54, 55, 56, 57, }
250
251 #define CONFIG_SYS_NAND_ECCSIZE 512
252 #define CONFIG_SYS_NAND_ECCBYTES 14
253 #define CONFIG_SYS_NAND_ONFI_DETECTION
254 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW
255 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
256 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
257 #ifdef CONFIG_SPL_OS_BOOT
258 #define CONFIG_CMD_SPL_NAND_OFS 0x00080000 /* os parameters */
259 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x00200000 /* kernel offset */
260 #define CONFIG_CMD_SPL_WRITE_SIZE 0x2000
261 #endif
262 #endif
263 #endif
264
265 /*
266 * For NOR boot, we must set this to the start of where NOR is mapped
267 * in memory.
268 */
269 #ifdef CONFIG_NOR_BOOT
270 #define CONFIG_SYS_TEXT_BASE 0x08000000
271 #endif
272
273 /*
274 * USB configuration. We enable MUSB support, both for host and for
275 * gadget. We set USB0 as peripheral and USB1 as host, based on the
276 * board schematic and physical port wired to each. Then for host we
277 * add mass storage support and for gadget we add both RNDIS ethernet
278 * and DFU.
279 */
280 #define CONFIG_USB_MUSB_DSPS
281 #define CONFIG_ARCH_MISC_INIT
282 #define CONFIG_MUSB_GADGET
283 #define CONFIG_MUSB_PIO_ONLY
284 #define CONFIG_MUSB_DISABLE_BULK_COMBINE_SPLIT
285 #define CONFIG_USB_GADGET
286 #define CONFIG_USBDOWNLOAD_GADGET
287 #define CONFIG_USB_GADGET_DUALSPEED
288 #define CONFIG_USB_GADGET_VBUS_DRAW 2
289 #define CONFIG_MUSB_HOST
290 #define CONFIG_AM335X_USB0
291 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL
292 #define CONFIG_AM335X_USB1
293 #define CONFIG_AM335X_USB1_MODE MUSB_HOST
294
295 #ifdef CONFIG_MUSB_HOST
296 #define CONFIG_CMD_USB
297 #define CONFIG_USB_STORAGE
298 #endif
299
300 #ifdef CONFIG_MUSB_GADGET
301 #define CONFIG_USB_ETHER
302 #define CONFIG_USB_ETH_RNDIS
303 #define CONFIG_USBNET_HOST_ADDR "de:ad:be:af:00:00"
304
305 /* USB TI's IDs */
306 #define CONFIG_G_DNL_VENDOR_NUM 0x0403
307 #define CONFIG_G_DNL_PRODUCT_NUM 0xBD00
308 #define CONFIG_G_DNL_MANUFACTURER "Texas Instruments"
309 #endif /* CONFIG_MUSB_GADGET */
310
311 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT)
312 /* disable host part of MUSB in SPL */
313 #undef CONFIG_MUSB_HOST
314 /* disable EFI partitions and partition UUID support */
315 #undef CONFIG_PARTITION_UUIDS
316 #undef CONFIG_EFI_PARTITION
317 /*
318 * Disable CPSW SPL support so we fit within the 101KiB limit.
319 */
320 #undef CONFIG_SPL_ETH_SUPPORT
321 #endif
322
323 /* USB Device Firmware Update support */
324 #ifndef CONFIG_SPL_BUILD
325 #define CONFIG_DFU_FUNCTION
326 #define CONFIG_DFU_MMC
327 #define CONFIG_CMD_DFU
328 #define DFU_ALT_INFO_MMC \
329 "dfu_alt_info_mmc=" \
330 "boot part 0 1;" \
331 "rootfs part 0 2;" \
332 "MLO fat 0 1;" \
333 "MLO.raw mmc 0x100 0x100;" \
334 "u-boot.img.raw mmc 0x300 0x400;" \
335 "spl-os-args.raw mmc 0x80 0x80;" \
336 "spl-os-image.raw mmc 0x900 0x2000;" \
337 "spl-os-args fat 0 1;" \
338 "spl-os-image fat 0 1;" \
339 "u-boot.img fat 0 1;" \
340 "uEnv.txt fat 0 1\0"
341 #ifdef CONFIG_NAND
342 #define CONFIG_DFU_NAND
343 #define DFU_ALT_INFO_NAND \
344 "dfu_alt_info_nand=" \
345 "SPL part 0 1;" \
346 "SPL.backup1 part 0 2;" \
347 "SPL.backup2 part 0 3;" \
348 "SPL.backup3 part 0 4;" \
349 "u-boot part 0 5;" \
350 "u-boot-spl-os part 0 6;" \
351 "kernel part 0 8;" \
352 "rootfs part 0 9\0"
353 #else
354 #define DFU_ALT_INFO_NAND ""
355 #endif
356 #define CONFIG_DFU_RAM
357 #define DFU_ALT_INFO_RAM \
358 "dfu_alt_info_ram=" \
359 "kernel ram 0x80200000 0xD80000;" \
360 "fdt ram 0x80F80000 0x80000;" \
361 "ramdisk ram 0x81000000 0x4000000\0"
362 #define DFUARGS \
363 "dfu_alt_info_emmc=rawemmc mmc 0 3751936\0" \
364 DFU_ALT_INFO_MMC \
365 DFU_ALT_INFO_RAM \
366 DFU_ALT_INFO_NAND
367 #endif
368
369 /*
370 * Default to using SPI for environment, etc.
371 * 0x000000 - 0x020000 : SPL (128KiB)
372 * 0x020000 - 0x0A0000 : U-Boot (512KiB)
373 * 0x0A0000 - 0x0BFFFF : First copy of U-Boot Environment (128KiB)
374 * 0x0C0000 - 0x0DFFFF : Second copy of U-Boot Environment (128KiB)
375 * 0x0E0000 - 0x442000 : Linux Kernel
376 * 0x442000 - 0x800000 : Userland
377 */
378 #if defined(CONFIG_SPI_BOOT)
379 /* SPL related */
380 #undef CONFIG_SPL_OS_BOOT /* Not supported by existing map */
381 #define CONFIG_SPL_SPI_SUPPORT
382 #define CONFIG_SPL_SPI_FLASH_SUPPORT
383 #define CONFIG_SPL_SPI_LOAD
384 #define CONFIG_SPL_SPI_BUS 0
385 #define CONFIG_SPL_SPI_CS 0
386 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000
387
388 #define CONFIG_ENV_IS_IN_SPI_FLASH
389 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
390 #define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
391 #define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */
392 #define CONFIG_ENV_OFFSET (768 << 10) /* 768 KiB in */
393 #define CONFIG_ENV_OFFSET_REDUND (896 << 10) /* 896 KiB in */
394 #define MTDIDS_DEFAULT "nor0=m25p80-flash.0"
395 #define MTDPARTS_DEFAULT "mtdparts=m25p80-flash.0:128k(SPL)," \
396 "512k(u-boot),128k(u-boot-env1)," \
397 "128k(u-boot-env2),3464k(kernel)," \
398 "-(rootfs)"
399 #elif defined(CONFIG_EMMC_BOOT)
400 #undef CONFIG_ENV_IS_NOWHERE
401 #define CONFIG_ENV_IS_IN_MMC
402 #define CONFIG_SYS_MMC_ENV_DEV 1
403 #define CONFIG_SYS_MMC_ENV_PART 2
404 #define CONFIG_ENV_OFFSET 0x0
405 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
406 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
407 #endif
408
409 /* SPI flash. */
410 #define CONFIG_CMD_SF
411 #define CONFIG_SPI_FLASH
412 #define CONFIG_SPI_FLASH_WINBOND
413 #define CONFIG_SF_DEFAULT_SPEED 24000000
414
415 /* Network. */
416 #define CONFIG_PHY_GIGE
417 #define CONFIG_PHYLIB
418 #define CONFIG_PHY_SMSC
419
420 /* NAND support */
421 #ifdef CONFIG_NAND
422 #define CONFIG_CMD_NAND
423 #if !defined(CONFIG_SPI_BOOT) && !defined(CONFIG_NOR_BOOT)
424 #define MTDIDS_DEFAULT "nand0=omap2-nand.0"
425 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:128k(SPL)," \
426 "128k(SPL.backup1)," \
427 "128k(SPL.backup2)," \
428 "128k(SPL.backup3),1792k(u-boot)," \
429 "128k(u-boot-spl-os)," \
430 "128k(u-boot-env),5m(kernel),-(rootfs)"
431 #define CONFIG_ENV_IS_IN_NAND
432 #define CONFIG_ENV_OFFSET 0x260000 /* environment starts here */
433 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
434 #endif
435 #endif
436
437 /*
438 * NOR Size = 16 MiB
439 * Number of Sectors/Blocks = 128
440 * Sector Size = 128 KiB
441 * Word length = 16 bits
442 * Default layout:
443 * 0x000000 - 0x07FFFF : U-Boot (512 KiB)
444 * 0x080000 - 0x09FFFF : First copy of U-Boot Environment (128 KiB)
445 * 0x0A0000 - 0x0BFFFF : Second copy of U-Boot Environment (128 KiB)
446 * 0x0C0000 - 0x4BFFFF : Linux Kernel (4 MiB)
447 * 0x4C0000 - 0xFFFFFF : Userland (11 MiB + 256 KiB)
448 */
449 #if defined(CONFIG_NOR)
450 #undef CONFIG_SYS_NO_FLASH
451 #define CONFIG_CMD_FLASH
452 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
453 #define CONFIG_SYS_FLASH_PROTECTION
454 #define CONFIG_SYS_FLASH_CFI
455 #define CONFIG_FLASH_CFI_DRIVER
456 #define CONFIG_FLASH_CFI_MTD
457 #define CONFIG_SYS_MAX_FLASH_SECT 128
458 #define CONFIG_SYS_MAX_FLASH_BANKS 1
459 #define CONFIG_SYS_FLASH_BASE (0x08000000)
460 #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT
461 #define CONFIG_SYS_FLASH_SIZE 0x01000000
462 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
463 /* Reduce SPL size by removing unlikey targets */
464 #ifdef CONFIG_NOR_BOOT
465 #define CONFIG_ENV_IS_IN_FLASH
466 #define CONFIG_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
467 #define CONFIG_ENV_OFFSET (512 << 10) /* 512 KiB */
468 #define CONFIG_ENV_OFFSET_REDUND (768 << 10) /* 768 KiB */
469 #define MTDIDS_DEFAULT "nor0=physmap-flash.0"
470 #define MTDPARTS_DEFAULT "mtdparts=physmap-flash.0:" \
471 "512k(u-boot)," \
472 "128k(u-boot-env1)," \
473 "128k(u-boot-env2)," \
474 "4m(kernel),-(rootfs)"
475 #endif
476 #endif /* NOR support */
477
478 #endif /* ! __CONFIG_AM335X_EVM_H */