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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_TIMESTAMP
23 # define CONFIG_LZO
24 #endif
25
26 #define CONFIG_SYS_BOOTM_LEN (16 << 20)
27
28 #define MACH_TYPE_TIAM335EVM 3589 /* Until the next sync */
29 #define CONFIG_MACH_TYPE MACH_TYPE_TIAM335EVM
30 #define CONFIG_BOARD_LATE_INIT
31
32 /* Clock Defines */
33 #define V_OSCK 24000000 /* Clock output from T2 */
34 #define V_SCLK (V_OSCK)
35
36 /* Custom script for NOR */
37 #define CONFIG_SYS_LDSCRIPT "board/ti/am335x/u-boot.lds"
38
39 /* Always 128 KiB env size */
40 #define CONFIG_ENV_SIZE (128 << 10)
41
42 /* Enhance our eMMC support / experience. */
43 #define CONFIG_CMD_GPT
44 #define CONFIG_EFI_PARTITION
45
46 #ifdef CONFIG_NAND
47 #define NANDARGS \
48 "mtdids=" MTDIDS_DEFAULT "\0" \
49 "mtdparts=" MTDPARTS_DEFAULT "\0" \
50 "nandargs=setenv bootargs console=${console} " \
51 "${optargs} " \
52 "root=${nandroot} " \
53 "rootfstype=${nandrootfstype}\0" \
54 "nandroot=ubi0:rootfs rw ubi.mtd=NAND.file-system,2048\0" \
55 "nandrootfstype=ubifs rootwait=1\0" \
56 "nandboot=echo Booting from nand ...; " \
57 "run nandargs; " \
58 "nand read ${fdtaddr} NAND.u-boot-spl-os; " \
59 "nand read ${loadaddr} NAND.kernel; " \
60 "bootz ${loadaddr} - ${fdtaddr}\0"
61 #else
62 #define NANDARGS ""
63 #endif
64
65 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
66
67 #define BOOTENV_DEV_LEGACY_MMC(devtypeu, devtypel, instance) \
68 "bootcmd_" #devtypel #instance "=" \
69 "setenv mmcdev " #instance"; "\
70 "setenv bootpart " #instance":2 ; "\
71 "run mmcboot\0"
72
73 #define BOOTENV_DEV_NAME_LEGACY_MMC(devtypeu, devtypel, instance) \
74 #devtypel #instance " "
75
76 #define BOOTENV_DEV_NAND(devtypeu, devtypel, instance) \
77 "bootcmd_" #devtypel "=" \
78 "run nandboot\0"
79
80 #define BOOTENV_DEV_NAME_NAND(devtypeu, devtypel, instance) \
81 #devtypel #instance " "
82
83 #define BOOT_TARGET_DEVICES(func) \
84 func(MMC, mmc, 0) \
85 func(LEGACY_MMC, legacy_mmc, 0) \
86 func(MMC, mmc, 1) \
87 func(LEGACY_MMC, legacy_mmc, 1) \
88 func(NAND, nand, 0) \
89 func(PXE, pxe, na) \
90 func(DHCP, dhcp, na)
91
92 #define CONFIG_BOOTCOMMAND \
93 "run findfdt; " \
94 "run envboot; " \
95 "run distro_bootcmd"
96
97 #include <config_distro_bootcmd.h>
98
99 #ifndef CONFIG_SPL_BUILD
100 #define CONFIG_EXTRA_ENV_SETTINGS \
101 DEFAULT_LINUX_BOOT_ENV \
102 DEFAULT_MMC_TI_ARGS \
103 "boot_fdt=try\0" \
104 "bootpart=0:2\0" \
105 "bootdir=/boot\0" \
106 "bootfile=zImage\0" \
107 "fdtfile=undefined\0" \
108 "console=ttyO0,115200n8\0" \
109 "partitions=" \
110 "uuid_disk=${uuid_gpt_disk};" \
111 "name=rootfs,start=2MiB,size=-,uuid=${uuid_gpt_rootfs}\0" \
112 "optargs=\0" \
113 "ramroot=/dev/ram0 rw\0" \
114 "ramrootfstype=ext2\0" \
115 "spiroot=/dev/mtdblock4 rw\0" \
116 "spirootfstype=jffs2\0" \
117 "spisrcaddr=0xe0000\0" \
118 "spiimgsize=0x362000\0" \
119 "spibusno=0\0" \
120 "spiargs=setenv bootargs console=${console} " \
121 "${optargs} " \
122 "root=${spiroot} " \
123 "rootfstype=${spirootfstype}\0" \
124 "ramargs=setenv bootargs console=${console} " \
125 "${optargs} " \
126 "root=${ramroot} " \
127 "rootfstype=${ramrootfstype}\0" \
128 "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \
129 "loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
130 "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
131 "mmcloados=run args_mmc; " \
132 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
133 "if run loadfdt; then " \
134 "bootz ${loadaddr} - ${fdtaddr}; " \
135 "else " \
136 "if test ${boot_fdt} = try; then " \
137 "bootz; " \
138 "else " \
139 "echo WARN: Cannot load the DT; " \
140 "fi; " \
141 "fi; " \
142 "else " \
143 "bootz; " \
144 "fi;\0" \
145 "mmcboot=mmc dev ${mmcdev}; " \
146 "if mmc rescan; then " \
147 "echo SD/MMC found on device ${mmcdev};" \
148 "run envboot; " \
149 "if run loadimage; then " \
150 "run mmcloados;" \
151 "fi;" \
152 "fi;\0" \
153 "spiboot=echo Booting from spi ...; " \
154 "run spiargs; " \
155 "sf probe ${spibusno}:0; " \
156 "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \
157 "bootz ${loadaddr}\0" \
158 "ramboot=echo Booting from ramdisk ...; " \
159 "run ramargs; " \
160 "bootz ${loadaddr} ${rdaddr} ${fdtaddr}\0" \
161 "findfdt="\
162 "if test $board_name = A335BONE; then " \
163 "setenv fdtfile am335x-bone.dtb; fi; " \
164 "if test $board_name = A335BNLT; then " \
165 "if test $board_rev = BBG1; then " \
166 "setenv fdtfile am335x-bonegreen.dtb; " \
167 "else " \
168 "setenv fdtfile am335x-boneblack.dtb; " \
169 "fi; " \
170 "fi; " \
171 "if test $board_name = A33515BB; then " \
172 "setenv fdtfile am335x-evm.dtb; fi; " \
173 "if test $board_name = A335X_SK; then " \
174 "setenv fdtfile am335x-evmsk.dtb; fi; " \
175 "if test $fdtfile = undefined; then " \
176 "echo WARNING: Could not determine device tree to use; fi; \0" \
177 NANDARGS \
178 NETARGS \
179 DFUARGS \
180 BOOTENV
181 #endif
182
183 /* NS16550 Configuration */
184 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */
185 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */
186 #define CONFIG_SYS_NS16550_COM3 0x48024000 /* UART2 */
187 #define CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */
188 #define CONFIG_SYS_NS16550_COM5 0x481a8000 /* UART4 */
189 #define CONFIG_SYS_NS16550_COM6 0x481aa000 /* UART5 */
190 #define CONFIG_BAUDRATE 115200
191
192 #define CONFIG_CMD_EEPROM
193 #define CONFIG_ENV_EEPROM_IS_ON_I2C
194 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */
195 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
196
197 /* PMIC support */
198 #define CONFIG_POWER_TPS65217
199 #define CONFIG_POWER_TPS65910
200
201 /* SPL */
202 #ifndef CONFIG_NOR_BOOT
203 #define CONFIG_SPL_POWER_SUPPORT
204 #define CONFIG_SPL_YMODEM_SUPPORT
205
206 /* Bootcount using the RTC block */
207 #define CONFIG_BOOTCOUNT_LIMIT
208 #define CONFIG_BOOTCOUNT_AM33XX
209 #define CONFIG_SYS_BOOTCOUNT_BE
210
211 /* USB gadget RNDIS */
212 #define CONFIG_SPL_MUSB_NEW_SUPPORT
213
214 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds"
215 #endif
216
217 #ifdef CONFIG_NAND
218 /* NAND: device related configs */
219 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
220 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \
221 CONFIG_SYS_NAND_PAGE_SIZE)
222 #define CONFIG_SYS_NAND_PAGE_SIZE 2048
223 #define CONFIG_SYS_NAND_OOBSIZE 64
224 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024)
225 /* NAND: driver related configs */
226 #define CONFIG_NAND_OMAP_GPMC
227 #define CONFIG_NAND_OMAP_GPMC_PREFETCH
228 #define CONFIG_NAND_OMAP_ELM
229 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
230 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \
231 10, 11, 12, 13, 14, 15, 16, 17, \
232 18, 19, 20, 21, 22, 23, 24, 25, \
233 26, 27, 28, 29, 30, 31, 32, 33, \
234 34, 35, 36, 37, 38, 39, 40, 41, \
235 42, 43, 44, 45, 46, 47, 48, 49, \
236 50, 51, 52, 53, 54, 55, 56, 57, }
237
238 #define CONFIG_SYS_NAND_ECCSIZE 512
239 #define CONFIG_SYS_NAND_ECCBYTES 14
240 #define CONFIG_SYS_NAND_ONFI_DETECTION
241 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW
242 #define MTDIDS_DEFAULT "nand0=nand.0"
243 #define MTDPARTS_DEFAULT "mtdparts=nand.0:" \
244 "128k(NAND.SPL)," \
245 "128k(NAND.SPL.backup1)," \
246 "128k(NAND.SPL.backup2)," \
247 "128k(NAND.SPL.backup3)," \
248 "256k(NAND.u-boot-spl-os)," \
249 "1m(NAND.u-boot)," \
250 "128k(NAND.u-boot-env)," \
251 "128k(NAND.u-boot-env.backup1)," \
252 "8m(NAND.kernel)," \
253 "-(NAND.file-system)"
254 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x000c0000
255 #undef CONFIG_ENV_IS_NOWHERE
256 #define CONFIG_ENV_IS_IN_NAND
257 #define CONFIG_ENV_OFFSET 0x001c0000
258 #define CONFIG_ENV_OFFSET_REDUND 0x001e0000
259 #define CONFIG_SYS_ENV_SECT_SIZE CONFIG_SYS_NAND_BLOCK_SIZE
260 /* NAND: SPL related configs */
261 #ifdef CONFIG_SPL_NAND_SUPPORT
262 #define CONFIG_SPL_NAND_AM33XX_BCH
263 #endif
264 #ifdef CONFIG_SPL_OS_BOOT
265 #define CONFIG_CMD_SPL_NAND_OFS 0x00080000 /* os parameters */
266 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x00200000 /* kernel offset */
267 #define CONFIG_CMD_SPL_WRITE_SIZE 0x2000
268 #endif
269 #endif /* !CONFIG_NAND */
270
271 /*
272 * For NOR boot, we must set this to the start of where NOR is mapped
273 * in memory.
274 */
275 #ifdef CONFIG_NOR_BOOT
276 #define CONFIG_SYS_TEXT_BASE 0x08000000
277 #endif
278
279 /*
280 * USB configuration. We enable MUSB support, both for host and for
281 * gadget. We set USB0 as peripheral and USB1 as host, based on the
282 * board schematic and physical port wired to each. Then for host we
283 * add mass storage support and for gadget we add both RNDIS ethernet
284 * and DFU.
285 */
286 #define CONFIG_USB_MUSB_DSPS
287 #define CONFIG_ARCH_MISC_INIT
288 #define CONFIG_USB_MUSB_PIO_ONLY
289 #define CONFIG_USB_MUSB_DISABLE_BULK_COMBINE_SPLIT
290 #define CONFIG_USB_MUSB_HOST
291 #define CONFIG_AM335X_USB0
292 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL
293 #define CONFIG_AM335X_USB1
294 #define CONFIG_AM335X_USB1_MODE MUSB_HOST
295
296 #ifndef CONFIG_SPL_USBETH_SUPPORT
297 /* Fastboot */
298 #define CONFIG_USB_FUNCTION_FASTBOOT
299 #define CONFIG_CMD_FASTBOOT
300 #define CONFIG_ANDROID_BOOT_IMAGE
301 #define CONFIG_FASTBOOT_BUF_ADDR CONFIG_SYS_LOAD_ADDR
302 #define CONFIG_FASTBOOT_BUF_SIZE 0x07000000
303
304 /* To support eMMC booting */
305 #define CONFIG_STORAGE_EMMC
306 #define CONFIG_FASTBOOT_FLASH_MMC_DEV 1
307 #endif
308
309 #ifdef CONFIG_USB_MUSB_HOST
310 #define CONFIG_CMD_USB
311 #define CONFIG_USB_STORAGE
312 #endif
313
314 #ifdef CONFIG_USB_MUSB_GADGET
315 /* Removing USB gadget and can be enabled adter adding support usb DM */
316 #ifndef CONFIG_DM_ETH
317 #define CONFIG_USB_ETHER
318 #define CONFIG_USB_ETH_RNDIS
319 #define CONFIG_USBNET_HOST_ADDR "de:ad:be:af:00:00"
320 #endif /* CONFIG_DM_ETH */
321 #endif /* CONFIG_USB_MUSB_GADGET */
322
323 /*
324 * Disable MMC DM for SPL build and can be re-enabled after adding
325 * DM support in SPL
326 */
327 #ifdef CONFIG_SPL_BUILD
328 #undef CONFIG_DM_MMC
329 #undef CONFIG_TIMER
330 #endif
331
332 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT)
333 /* Remove other SPL modes. */
334 #undef CONFIG_SPL_YMODEM_SUPPORT
335 #undef CONFIG_SPL_NAND_SUPPORT
336 #undef CONFIG_SPL_MMC_SUPPORT
337 #define CONFIG_ENV_IS_NOWHERE
338 #undef CONFIG_ENV_IS_IN_NAND
339 /* disable host part of MUSB in SPL */
340 #undef CONFIG_USB_MUSB_HOST
341 /* disable EFI partitions and partition UUID support */
342 #undef CONFIG_PARTITION_UUIDS
343 #undef CONFIG_EFI_PARTITION
344 /* General network SPL */
345 #define CONFIG_SPL_NET_SUPPORT
346 #define CONFIG_SPL_ENV_SUPPORT
347 #define CONFIG_SPL_NET_VCI_STRING "AM335x U-Boot SPL"
348 #endif
349
350 /* USB Device Firmware Update support */
351 #ifndef CONFIG_SPL_BUILD
352 #define CONFIG_USB_FUNCTION_DFU
353 #define CONFIG_DFU_MMC
354 #define CONFIG_CMD_DFU
355 #define DFU_ALT_INFO_MMC \
356 "dfu_alt_info_mmc=" \
357 "boot part 0 1;" \
358 "rootfs part 0 2;" \
359 "MLO fat 0 1;" \
360 "MLO.raw raw 0x100 0x100;" \
361 "u-boot.img.raw raw 0x300 0x400;" \
362 "spl-os-args.raw raw 0x80 0x80;" \
363 "spl-os-image.raw raw 0x900 0x2000;" \
364 "spl-os-args fat 0 1;" \
365 "spl-os-image fat 0 1;" \
366 "u-boot.img fat 0 1;" \
367 "uEnv.txt fat 0 1\0"
368 #ifdef CONFIG_NAND
369 #define CONFIG_DFU_NAND
370 #define DFU_ALT_INFO_NAND \
371 "dfu_alt_info_nand=" \
372 "SPL part 0 1;" \
373 "SPL.backup1 part 0 2;" \
374 "SPL.backup2 part 0 3;" \
375 "SPL.backup3 part 0 4;" \
376 "u-boot part 0 5;" \
377 "u-boot-spl-os part 0 6;" \
378 "kernel part 0 8;" \
379 "rootfs part 0 9\0"
380 #else
381 #define DFU_ALT_INFO_NAND ""
382 #endif
383 #define CONFIG_DFU_RAM
384 #define DFU_ALT_INFO_RAM \
385 "dfu_alt_info_ram=" \
386 "kernel ram 0x80200000 0xD80000;" \
387 "fdt ram 0x80F80000 0x80000;" \
388 "ramdisk ram 0x81000000 0x4000000\0"
389 #define DFUARGS \
390 "dfu_alt_info_emmc=rawemmc raw 0 3751936\0" \
391 DFU_ALT_INFO_MMC \
392 DFU_ALT_INFO_RAM \
393 DFU_ALT_INFO_NAND
394 #endif
395
396 /*
397 * Default to using SPI for environment, etc.
398 * 0x000000 - 0x020000 : SPL (128KiB)
399 * 0x020000 - 0x0A0000 : U-Boot (512KiB)
400 * 0x0A0000 - 0x0BFFFF : First copy of U-Boot Environment (128KiB)
401 * 0x0C0000 - 0x0DFFFF : Second copy of U-Boot Environment (128KiB)
402 * 0x0E0000 - 0x442000 : Linux Kernel
403 * 0x442000 - 0x800000 : Userland
404 */
405 #if defined(CONFIG_SPI_BOOT)
406 /* SPL related */
407 #undef CONFIG_SPL_OS_BOOT /* Not supported by existing map */
408 #define CONFIG_SPL_SPI_SUPPORT
409 #define CONFIG_SPL_SPI_FLASH_SUPPORT
410 #define CONFIG_SPL_SPI_LOAD
411 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000
412
413 #define CONFIG_ENV_IS_IN_SPI_FLASH
414 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
415 #define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
416 #define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */
417 #define CONFIG_ENV_OFFSET (768 << 10) /* 768 KiB in */
418 #define CONFIG_ENV_OFFSET_REDUND (896 << 10) /* 896 KiB in */
419 #define MTDIDS_DEFAULT "nor0=m25p80-flash.0"
420 #define MTDPARTS_DEFAULT "mtdparts=m25p80-flash.0:128k(SPL)," \
421 "512k(u-boot),128k(u-boot-env1)," \
422 "128k(u-boot-env2),3464k(kernel)," \
423 "-(rootfs)"
424 #elif defined(CONFIG_EMMC_BOOT)
425 #undef CONFIG_ENV_IS_NOWHERE
426 #define CONFIG_ENV_IS_IN_MMC
427 #define CONFIG_SPL_ENV_SUPPORT
428 #define CONFIG_SYS_MMC_ENV_DEV 1
429 #define CONFIG_SYS_MMC_ENV_PART 2
430 #define CONFIG_ENV_OFFSET 0x0
431 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
432 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
433 #endif
434
435 /* SPI flash. */
436 #define CONFIG_CMD_SF
437 #define CONFIG_SF_DEFAULT_SPEED 24000000
438
439 /* Network. */
440 #define CONFIG_PHY_GIGE
441 #define CONFIG_PHYLIB
442 #define CONFIG_PHY_SMSC
443
444 /*
445 * NOR Size = 16 MiB
446 * Number of Sectors/Blocks = 128
447 * Sector Size = 128 KiB
448 * Word length = 16 bits
449 * Default layout:
450 * 0x000000 - 0x07FFFF : U-Boot (512 KiB)
451 * 0x080000 - 0x09FFFF : First copy of U-Boot Environment (128 KiB)
452 * 0x0A0000 - 0x0BFFFF : Second copy of U-Boot Environment (128 KiB)
453 * 0x0C0000 - 0x4BFFFF : Linux Kernel (4 MiB)
454 * 0x4C0000 - 0xFFFFFF : Userland (11 MiB + 256 KiB)
455 */
456 #if defined(CONFIG_NOR)
457 #undef CONFIG_SYS_NO_FLASH
458 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
459 #define CONFIG_SYS_FLASH_PROTECTION
460 #define CONFIG_SYS_FLASH_CFI
461 #define CONFIG_FLASH_CFI_DRIVER
462 #define CONFIG_FLASH_CFI_MTD
463 #define CONFIG_SYS_MAX_FLASH_SECT 128
464 #define CONFIG_SYS_MAX_FLASH_BANKS 1
465 #define CONFIG_SYS_FLASH_BASE (0x08000000)
466 #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT
467 #define CONFIG_SYS_FLASH_SIZE 0x01000000
468 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
469 /* Reduce SPL size by removing unlikey targets */
470 #ifdef CONFIG_NOR_BOOT
471 #define CONFIG_ENV_IS_IN_FLASH
472 #define CONFIG_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
473 #define CONFIG_ENV_OFFSET (512 << 10) /* 512 KiB */
474 #define CONFIG_ENV_OFFSET_REDUND (768 << 10) /* 768 KiB */
475 #define MTDIDS_DEFAULT "nor0=physmap-flash.0"
476 #define MTDPARTS_DEFAULT "mtdparts=physmap-flash.0:" \
477 "512k(u-boot)," \
478 "128k(u-boot-env1)," \
479 "128k(u-boot-env2)," \
480 "4m(kernel),-(rootfs)"
481 #endif
482 #endif /* NOR support */
483
484 #endif /* ! __CONFIG_AM335X_EVM_H */