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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} - ${fdtaddr}\0"
61 #else
62 #define NANDARGS ""
63 #endif
64
65 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
66
67 #define BOOTENV_DEV_LEGACY_MMC(devtypeu, devtypel, instance) \
68 "bootcmd_" #devtypel #instance "=" \
69 "setenv mmcdev " #instance"; "\
70 "setenv bootpart " #instance":2 ; "\
71 "run mmcboot\0"
72
73 #define BOOTENV_DEV_NAME_LEGACY_MMC(devtypeu, devtypel, instance) \
74 #devtypel #instance " "
75
76 #define BOOTENV_DEV_NAND(devtypeu, devtypel, instance) \
77 "bootcmd_" #devtypel "=" \
78 "run nandboot\0"
79
80 #define BOOTENV_DEV_NAME_NAND(devtypeu, devtypel, instance) \
81 #devtypel #instance " "
82
83 #define BOOT_TARGET_DEVICES(func) \
84 func(MMC, mmc, 0) \
85 func(LEGACY_MMC, legacy_mmc, 0) \
86 func(MMC, mmc, 1) \
87 func(LEGACY_MMC, legacy_mmc, 1) \
88 func(NAND, nand, 0) \
89 func(PXE, pxe, na) \
90 func(DHCP, dhcp, na)
91
92 #define CONFIG_BOOTCOMMAND \
93 "run findfdt; " \
94 "run init_console; " \
95 "run envboot; " \
96 "run distro_bootcmd"
97
98 #include <config_distro_bootcmd.h>
99
100 #ifndef CONFIG_SPL_BUILD
101 #define CONFIG_EXTRA_ENV_SETTINGS \
102 DEFAULT_LINUX_BOOT_ENV \
103 DEFAULT_MMC_TI_ARGS \
104 "boot_fdt=try\0" \
105 "bootpart=0:2\0" \
106 "bootdir=/boot\0" \
107 "bootfile=zImage\0" \
108 "fdtfile=undefined\0" \
109 "console=ttyO0,115200n8\0" \
110 "partitions=" \
111 "uuid_disk=${uuid_gpt_disk};" \
112 "name=rootfs,start=2MiB,size=-,uuid=${uuid_gpt_rootfs}\0" \
113 "optargs=\0" \
114 "ramroot=/dev/ram0 rw\0" \
115 "ramrootfstype=ext2\0" \
116 "spiroot=/dev/mtdblock4 rw\0" \
117 "spirootfstype=jffs2\0" \
118 "spisrcaddr=0xe0000\0" \
119 "spiimgsize=0x362000\0" \
120 "spibusno=0\0" \
121 "spiargs=setenv bootargs console=${console} " \
122 "${optargs} " \
123 "root=${spiroot} " \
124 "rootfstype=${spirootfstype}\0" \
125 "ramargs=setenv bootargs console=${console} " \
126 "${optargs} " \
127 "root=${ramroot} " \
128 "rootfstype=${ramrootfstype}\0" \
129 "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \
130 "loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
131 "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
132 "mmcloados=run args_mmc; " \
133 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
134 "if run loadfdt; then " \
135 "bootz ${loadaddr} - ${fdtaddr}; " \
136 "else " \
137 "if test ${boot_fdt} = try; then " \
138 "bootz; " \
139 "else " \
140 "echo WARN: Cannot load the DT; " \
141 "fi; " \
142 "fi; " \
143 "else " \
144 "bootz; " \
145 "fi;\0" \
146 "mmcboot=mmc dev ${mmcdev}; " \
147 "if mmc rescan; then " \
148 "echo SD/MMC found on device ${mmcdev};" \
149 "run envboot; " \
150 "if run loadimage; then " \
151 "run mmcloados;" \
152 "fi;" \
153 "fi;\0" \
154 "spiboot=echo Booting from spi ...; " \
155 "run spiargs; " \
156 "sf probe ${spibusno}:0; " \
157 "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \
158 "bootz ${loadaddr}\0" \
159 "ramboot=echo Booting from ramdisk ...; " \
160 "run ramargs; " \
161 "bootz ${loadaddr} ${rdaddr} ${fdtaddr}\0" \
162 "findfdt="\
163 "if test $board_name = A335BONE; then " \
164 "setenv fdtfile am335x-bone.dtb; fi; " \
165 "if test $board_name = A335BNLT; then " \
166 "setenv fdtfile am335x-boneblack.dtb; fi; " \
167 "if test $board_name = BBG1; then " \
168 "setenv fdtfile am335x-bonegreen.dtb; fi; " \
169 "if test $board_name = A33515BB; then " \
170 "setenv fdtfile am335x-evm.dtb; fi; " \
171 "if test $board_name = A335X_SK; then " \
172 "setenv fdtfile am335x-evmsk.dtb; fi; " \
173 "if test $board_name = A335_ICE; then " \
174 "setenv fdtfile am335x-icev2.dtb; fi; " \
175 "if test $fdtfile = undefined; then " \
176 "echo WARNING: Could not determine device tree to use; fi; \0" \
177 "init_console=" \
178 "if test $board_name = A335_ICE; then "\
179 "setenv console ttyO3,115200n8;" \
180 "else " \
181 "setenv console ttyO0,115200n8;" \
182 "fi;\0" \
183 NANDARGS \
184 NETARGS \
185 DFUARGS \
186 BOOTENV
187 #endif
188
189 /* NS16550 Configuration */
190 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */
191 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */
192 #define CONFIG_SYS_NS16550_COM3 0x48024000 /* UART2 */
193 #define CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */
194 #define CONFIG_SYS_NS16550_COM5 0x481a8000 /* UART4 */
195 #define CONFIG_SYS_NS16550_COM6 0x481aa000 /* UART5 */
196 #define CONFIG_BAUDRATE 115200
197
198 #define CONFIG_CMD_EEPROM
199 #define CONFIG_ENV_EEPROM_IS_ON_I2C
200 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */
201 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
202
203 /* PMIC support */
204 #define CONFIG_POWER_TPS65217
205 #define CONFIG_POWER_TPS65910
206
207 /* SPL */
208 #ifndef CONFIG_NOR_BOOT
209 #define CONFIG_SPL_YMODEM_SUPPORT
210
211 /* Bootcount using the RTC block */
212 #define CONFIG_BOOTCOUNT_LIMIT
213 #define CONFIG_BOOTCOUNT_AM33XX
214 #define CONFIG_SYS_BOOTCOUNT_BE
215
216 /* USB gadget RNDIS */
217
218 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds"
219 #endif
220
221 #ifdef CONFIG_NAND
222 /* NAND: device related configs */
223 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
224 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \
225 CONFIG_SYS_NAND_PAGE_SIZE)
226 #define CONFIG_SYS_NAND_PAGE_SIZE 2048
227 #define CONFIG_SYS_NAND_OOBSIZE 64
228 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024)
229 /* NAND: driver related configs */
230 #define CONFIG_NAND_OMAP_GPMC
231 #define CONFIG_NAND_OMAP_GPMC_PREFETCH
232 #define CONFIG_NAND_OMAP_ELM
233 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
234 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \
235 10, 11, 12, 13, 14, 15, 16, 17, \
236 18, 19, 20, 21, 22, 23, 24, 25, \
237 26, 27, 28, 29, 30, 31, 32, 33, \
238 34, 35, 36, 37, 38, 39, 40, 41, \
239 42, 43, 44, 45, 46, 47, 48, 49, \
240 50, 51, 52, 53, 54, 55, 56, 57, }
241
242 #define CONFIG_SYS_NAND_ECCSIZE 512
243 #define CONFIG_SYS_NAND_ECCBYTES 14
244 #define CONFIG_SYS_NAND_ONFI_DETECTION
245 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW
246 #define MTDIDS_DEFAULT "nand0=nand.0"
247 #define MTDPARTS_DEFAULT "mtdparts=nand.0:" \
248 "128k(NAND.SPL)," \
249 "128k(NAND.SPL.backup1)," \
250 "128k(NAND.SPL.backup2)," \
251 "128k(NAND.SPL.backup3)," \
252 "256k(NAND.u-boot-spl-os)," \
253 "1m(NAND.u-boot)," \
254 "128k(NAND.u-boot-env)," \
255 "128k(NAND.u-boot-env.backup1)," \
256 "8m(NAND.kernel)," \
257 "-(NAND.file-system)"
258 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x000c0000
259 /* NAND: SPL related configs */
260 #ifdef CONFIG_SPL_NAND_SUPPORT
261 #define CONFIG_SPL_NAND_AM33XX_BCH
262 #endif
263 #ifdef CONFIG_SPL_OS_BOOT
264 #define CONFIG_CMD_SPL_NAND_OFS 0x00080000 /* os parameters */
265 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x00200000 /* kernel offset */
266 #define CONFIG_CMD_SPL_WRITE_SIZE 0x2000
267 #endif
268 #endif /* !CONFIG_NAND */
269
270 /*
271 * For NOR boot, we must set this to the start of where NOR is mapped
272 * in memory.
273 */
274 #ifdef CONFIG_NOR_BOOT
275 #define CONFIG_SYS_TEXT_BASE 0x08000000
276 #endif
277
278 /*
279 * USB configuration. We enable MUSB support, both for host and for
280 * gadget. We set USB0 as peripheral and USB1 as host, based on the
281 * board schematic and physical port wired to each. Then for host we
282 * add mass storage support and for gadget we add both RNDIS ethernet
283 * and DFU.
284 */
285 #define CONFIG_USB_MUSB_DSPS
286 #define CONFIG_ARCH_MISC_INIT
287 #define CONFIG_USB_MUSB_PIO_ONLY
288 #define CONFIG_USB_MUSB_DISABLE_BULK_COMBINE_SPLIT
289 #define CONFIG_AM335X_USB0
290 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL
291 #define CONFIG_AM335X_USB1
292 #define CONFIG_AM335X_USB1_MODE MUSB_HOST
293
294 #ifndef CONFIG_SPL_USBETH_SUPPORT
295 /* Fastboot */
296 #define CONFIG_USB_FUNCTION_FASTBOOT
297 #define CONFIG_CMD_FASTBOOT
298 #define CONFIG_ANDROID_BOOT_IMAGE
299 #define CONFIG_FASTBOOT_BUF_ADDR CONFIG_SYS_LOAD_ADDR
300 #define CONFIG_FASTBOOT_BUF_SIZE 0x07000000
301
302 /* To support eMMC booting */
303 #define CONFIG_STORAGE_EMMC
304 #define CONFIG_FASTBOOT_FLASH_MMC_DEV 1
305 #endif
306
307 #ifdef CONFIG_USB_MUSB_GADGET
308 /* Removing USB gadget and can be enabled adter adding support usb DM */
309 #ifndef CONFIG_DM_ETH
310 #define CONFIG_USB_ETHER
311 #define CONFIG_USB_ETH_RNDIS
312 #define CONFIG_USBNET_HOST_ADDR "de:ad:be:af:00:00"
313 #endif /* CONFIG_DM_ETH */
314 #endif /* CONFIG_USB_MUSB_GADGET */
315
316 /*
317 * Disable MMC DM for SPL build and can be re-enabled after adding
318 * DM support in SPL
319 */
320 #ifdef CONFIG_SPL_BUILD
321 #undef CONFIG_DM_MMC
322 #undef CONFIG_TIMER
323 #endif
324
325 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT)
326 /* Remove other SPL modes. */
327 #undef CONFIG_SPL_YMODEM_SUPPORT
328 #define CONFIG_ENV_IS_NOWHERE
329 #undef CONFIG_ENV_IS_IN_NAND
330 /* disable host part of MUSB in SPL */
331 /* disable EFI partitions and partition UUID support */
332 #undef CONFIG_PARTITION_UUIDS
333 #undef CONFIG_EFI_PARTITION
334 #endif
335
336 /* USB Device Firmware Update support */
337 #ifndef CONFIG_SPL_BUILD
338 #define CONFIG_USB_FUNCTION_DFU
339 #define CONFIG_DFU_MMC
340 #define DFU_ALT_INFO_MMC \
341 "dfu_alt_info_mmc=" \
342 "boot part 0 1;" \
343 "rootfs part 0 2;" \
344 "MLO fat 0 1;" \
345 "MLO.raw raw 0x100 0x100;" \
346 "u-boot.img.raw raw 0x300 0x400;" \
347 "spl-os-args.raw raw 0x80 0x80;" \
348 "spl-os-image.raw raw 0x900 0x2000;" \
349 "spl-os-args fat 0 1;" \
350 "spl-os-image fat 0 1;" \
351 "u-boot.img fat 0 1;" \
352 "uEnv.txt fat 0 1\0"
353 #ifdef CONFIG_NAND
354 #define CONFIG_DFU_NAND
355 #define DFU_ALT_INFO_NAND \
356 "dfu_alt_info_nand=" \
357 "SPL part 0 1;" \
358 "SPL.backup1 part 0 2;" \
359 "SPL.backup2 part 0 3;" \
360 "SPL.backup3 part 0 4;" \
361 "u-boot part 0 5;" \
362 "u-boot-spl-os part 0 6;" \
363 "kernel part 0 8;" \
364 "rootfs part 0 9\0"
365 #else
366 #define DFU_ALT_INFO_NAND ""
367 #endif
368 #define CONFIG_DFU_RAM
369 #define DFU_ALT_INFO_RAM \
370 "dfu_alt_info_ram=" \
371 "kernel ram 0x80200000 0xD80000;" \
372 "fdt ram 0x80F80000 0x80000;" \
373 "ramdisk ram 0x81000000 0x4000000\0"
374 #define DFUARGS \
375 "dfu_alt_info_emmc=rawemmc raw 0 3751936\0" \
376 DFU_ALT_INFO_MMC \
377 DFU_ALT_INFO_RAM \
378 DFU_ALT_INFO_NAND
379 #endif
380
381 /*
382 * Default to using SPI for environment, etc.
383 * 0x000000 - 0x020000 : SPL (128KiB)
384 * 0x020000 - 0x0A0000 : U-Boot (512KiB)
385 * 0x0A0000 - 0x0BFFFF : First copy of U-Boot Environment (128KiB)
386 * 0x0C0000 - 0x0DFFFF : Second copy of U-Boot Environment (128KiB)
387 * 0x0E0000 - 0x442000 : Linux Kernel
388 * 0x442000 - 0x800000 : Userland
389 */
390 #if defined(CONFIG_SPI_BOOT)
391 /* SPL related */
392 #undef CONFIG_SPL_OS_BOOT /* Not supported by existing map */
393 #define CONFIG_SPL_SPI_SUPPORT
394 #define CONFIG_SPL_SPI_LOAD
395 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000
396
397 #define CONFIG_ENV_IS_IN_SPI_FLASH
398 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
399 #define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
400 #define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */
401 #define CONFIG_ENV_OFFSET (768 << 10) /* 768 KiB in */
402 #define CONFIG_ENV_OFFSET_REDUND (896 << 10) /* 896 KiB in */
403 #define MTDIDS_DEFAULT "nor0=m25p80-flash.0"
404 #define MTDPARTS_DEFAULT "mtdparts=m25p80-flash.0:128k(SPL)," \
405 "512k(u-boot),128k(u-boot-env1)," \
406 "128k(u-boot-env2),3464k(kernel)," \
407 "-(rootfs)"
408 #elif defined(CONFIG_EMMC_BOOT)
409 #define CONFIG_ENV_IS_IN_MMC
410 #define CONFIG_SYS_MMC_ENV_DEV 1
411 #define CONFIG_SYS_MMC_ENV_PART 2
412 #define CONFIG_ENV_OFFSET 0x0
413 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
414 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
415 #elif defined(CONFIG_NOR_BOOT)
416 #define CONFIG_ENV_IS_IN_FLASH
417 #define CONFIG_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
418 #define CONFIG_ENV_OFFSET (512 << 10) /* 512 KiB */
419 #define CONFIG_ENV_OFFSET_REDUND (768 << 10) /* 768 KiB */
420 #define MTDIDS_DEFAULT "nor0=physmap-flash.0"
421 #define MTDPARTS_DEFAULT "mtdparts=physmap-flash.0:" \
422 "512k(u-boot)," \
423 "128k(u-boot-env1)," \
424 "128k(u-boot-env2)," \
425 "4m(kernel),-(rootfs)"
426 #elif defined(CONFIG_ENV_IS_IN_NAND)
427 #define CONFIG_ENV_OFFSET 0x001c0000
428 #define CONFIG_ENV_OFFSET_REDUND 0x001e0000
429 #define CONFIG_SYS_ENV_SECT_SIZE CONFIG_SYS_NAND_BLOCK_SIZE
430 #elif !defined(CONFIG_ENV_IS_NOWHERE)
431 /* Not NAND, SPI, NOR or eMMC env, so put ENV in a file on FAT */
432 #define CONFIG_ENV_IS_IN_FAT
433 #define FAT_ENV_INTERFACE "mmc"
434 #define FAT_ENV_DEVICE_AND_PART "0:1"
435 #define FAT_ENV_FILE "uboot.env"
436 #endif
437
438 /* SPI flash. */
439 #define CONFIG_SF_DEFAULT_SPEED 24000000
440
441 /* Network. */
442 #define CONFIG_PHY_GIGE
443 #define CONFIG_PHYLIB
444 #define CONFIG_PHY_SMSC
445
446 /*
447 * NOR Size = 16 MiB
448 * Number of Sectors/Blocks = 128
449 * Sector Size = 128 KiB
450 * Word length = 16 bits
451 * Default layout:
452 * 0x000000 - 0x07FFFF : U-Boot (512 KiB)
453 * 0x080000 - 0x09FFFF : First copy of U-Boot Environment (128 KiB)
454 * 0x0A0000 - 0x0BFFFF : Second copy of U-Boot Environment (128 KiB)
455 * 0x0C0000 - 0x4BFFFF : Linux Kernel (4 MiB)
456 * 0x4C0000 - 0xFFFFFF : Userland (11 MiB + 256 KiB)
457 */
458 #if defined(CONFIG_NOR)
459 #undef CONFIG_SYS_NO_FLASH
460 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
461 #define CONFIG_SYS_FLASH_PROTECTION
462 #define CONFIG_SYS_FLASH_CFI
463 #define CONFIG_FLASH_CFI_DRIVER
464 #define CONFIG_FLASH_CFI_MTD
465 #define CONFIG_SYS_MAX_FLASH_SECT 128
466 #define CONFIG_SYS_MAX_FLASH_BANKS 1
467 #define CONFIG_SYS_FLASH_BASE (0x08000000)
468 #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT
469 #define CONFIG_SYS_FLASH_SIZE 0x01000000
470 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
471 #endif /* NOR support */
472
473 #ifdef CONFIG_DRIVER_TI_CPSW
474 #define CONFIG_CLOCK_SYNTHESIZER
475 #define CLK_SYNTHESIZER_I2C_ADDR 0x65
476 #endif
477
478 #endif /* ! __CONFIG_AM335X_EVM_H */