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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 #define MACH_TYPE_TIAM335EVM 3589 /* Until the next sync */
22 #define CONFIG_MACH_TYPE MACH_TYPE_TIAM335EVM
23
24 /* Clock Defines */
25 #define V_OSCK 24000000 /* Clock output from T2 */
26 #define V_SCLK (V_OSCK)
27
28 /* Custom script for NOR */
29 #define CONFIG_SYS_LDSCRIPT "board/ti/am335x/u-boot.lds"
30
31 /* Always 128 KiB env size */
32 #define CONFIG_ENV_SIZE (128 << 10)
33
34 #ifdef CONFIG_NAND
35 #define NANDARGS \
36 "mtdids=" MTDIDS_DEFAULT "\0" \
37 "mtdparts=" MTDPARTS_DEFAULT "\0" \
38 "nandargs=setenv bootargs console=${console} " \
39 "${optargs} " \
40 "root=${nandroot} " \
41 "rootfstype=${nandrootfstype}\0" \
42 "dfu_alt_info_nand=" DFU_ALT_INFO_NAND "\0" \
43 "nandroot=ubi0:rootfs rw ubi.mtd=7,2048\0" \
44 "nandrootfstype=ubifs rootwait=1\0" \
45 "nandsrcaddr=0x280000\0" \
46 "nandboot=echo Booting from nand ...; " \
47 "run nandargs; " \
48 "nand read ${loadaddr} ${nandsrcaddr} ${nandimgsize}; " \
49 "bootz ${loadaddr}\0" \
50 "nandimgsize=0x500000\0"
51 #else
52 #define NANDARGS ""
53 #endif
54
55 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
56
57 #ifndef CONFIG_SPL_BUILD
58 #define CONFIG_EXTRA_ENV_SETTINGS \
59 "loadaddr=0x80200000\0" \
60 "fdtaddr=0x80F80000\0" \
61 "fdt_high=0xffffffff\0" \
62 "boot_fdt=try\0" \
63 "rdaddr=0x81000000\0" \
64 "bootpart=0:2\0" \
65 "bootdir=/boot\0" \
66 "bootfile=zImage\0" \
67 "fdtfile=undefined\0" \
68 "console=ttyO0,115200n8\0" \
69 "optargs=\0" \
70 "dfu_alt_info_mmc=" DFU_ALT_INFO_MMC "\0" \
71 "dfu_alt_info_emmc=rawemmc mmc 0 3751936\0" \
72 "mmcdev=0\0" \
73 "mmcroot=/dev/mmcblk0p2 ro\0" \
74 "mmcrootfstype=ext4 rootwait\0" \
75 "rootpath=/export/rootfs\0" \
76 "nfsopts=nolock\0" \
77 "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
78 "::off\0" \
79 "ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \
80 "ramrootfstype=ext2\0" \
81 "mmcargs=setenv bootargs console=${console} " \
82 "${optargs} " \
83 "root=${mmcroot} " \
84 "rootfstype=${mmcrootfstype}\0" \
85 "spiroot=/dev/mtdblock4 rw\0" \
86 "spirootfstype=jffs2\0" \
87 "spisrcaddr=0xe0000\0" \
88 "spiimgsize=0x362000\0" \
89 "spibusno=0\0" \
90 "spiargs=setenv bootargs console=${console} " \
91 "${optargs} " \
92 "root=${spiroot} " \
93 "rootfstype=${spirootfstype}\0" \
94 "netargs=setenv bootargs console=${console} " \
95 "${optargs} " \
96 "root=/dev/nfs " \
97 "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
98 "ip=dhcp\0" \
99 "bootenv=uEnv.txt\0" \
100 "loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
101 "importbootenv=echo Importing environment from mmc ...; " \
102 "env import -t $loadaddr $filesize\0" \
103 "dfu_alt_info_ram=" DFU_ALT_INFO_RAM "\0" \
104 "ramargs=setenv bootargs console=${console} " \
105 "${optargs} " \
106 "root=${ramroot} " \
107 "rootfstype=${ramrootfstype}\0" \
108 "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \
109 "loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
110 "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
111 "mmcloados=run mmcargs; " \
112 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
113 "if run loadfdt; then " \
114 "bootz ${loadaddr} - ${fdtaddr}; " \
115 "else " \
116 "if test ${boot_fdt} = try; then " \
117 "bootz; " \
118 "else " \
119 "echo WARN: Cannot load the DT; " \
120 "fi; " \
121 "fi; " \
122 "else " \
123 "bootz; " \
124 "fi;\0" \
125 "mmcboot=mmc dev ${mmcdev}; " \
126 "if mmc rescan; then " \
127 "echo SD/MMC found on device ${mmcdev};" \
128 "if run loadbootenv; then " \
129 "echo Loaded environment from ${bootenv};" \
130 "run importbootenv;" \
131 "fi;" \
132 "if test -n $uenvcmd; then " \
133 "echo Running uenvcmd ...;" \
134 "run uenvcmd;" \
135 "fi;" \
136 "if run loadimage; then " \
137 "run mmcloados;" \
138 "fi;" \
139 "fi;\0" \
140 "spiboot=echo Booting from spi ...; " \
141 "run spiargs; " \
142 "sf probe ${spibusno}:0; " \
143 "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \
144 "bootz ${loadaddr}\0" \
145 "netboot=echo Booting from network ...; " \
146 "setenv autoload no; " \
147 "dhcp; " \
148 "tftp ${loadaddr} ${bootfile}; " \
149 "tftp ${fdtaddr} ${fdtfile}; " \
150 "run netargs; " \
151 "bootz ${loadaddr} - ${fdtaddr}\0" \
152 "ramboot=echo Booting from ramdisk ...; " \
153 "run ramargs; " \
154 "bootz ${loadaddr} ${rdaddr} ${fdtaddr}\0" \
155 "findfdt="\
156 "if test $board_name = A335BONE; then " \
157 "setenv fdtfile am335x-bone.dtb; fi; " \
158 "if test $board_name = A335BNLT; then " \
159 "setenv fdtfile am335x-boneblack.dtb; fi; " \
160 "if test $board_name = A33515BB; then " \
161 "setenv fdtfile am335x-evm.dtb; fi; " \
162 "if test $board_name = A335X_SK; then " \
163 "setenv fdtfile am335x-evmsk.dtb; fi; " \
164 "if test $fdtfile = undefined; then " \
165 "echo WARNING: Could not determine device tree to use; fi; \0" \
166 NANDARGS
167 #endif
168
169 #define CONFIG_BOOTCOMMAND \
170 "run findfdt; " \
171 "run mmcboot;" \
172 "setenv mmcdev 1; " \
173 "setenv bootpart 1:2; " \
174 "run mmcboot;" \
175 "run nandboot;"
176
177 /* NS16550 Configuration */
178 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */
179 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */
180 #define CONFIG_SYS_NS16550_COM3 0x48024000 /* UART2 */
181 #define CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */
182 #define CONFIG_SYS_NS16550_COM5 0x481a8000 /* UART4 */
183 #define CONFIG_SYS_NS16550_COM6 0x481aa000 /* UART5 */
184 #define CONFIG_BAUDRATE 115200
185
186 #define CONFIG_CMD_EEPROM
187 #define CONFIG_ENV_EEPROM_IS_ON_I2C
188 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */
189 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
190 #define CONFIG_SYS_I2C_MULTI_EEPROMS
191
192 /* PMIC support */
193 #define CONFIG_POWER_TPS65217
194 #define CONFIG_POWER_TPS65910
195
196 /* SPL */
197 #ifndef CONFIG_NOR_BOOT
198 #define CONFIG_SPL_POWER_SUPPORT
199 #define CONFIG_SPL_YMODEM_SUPPORT
200
201 /* CPSW support */
202 #define CONFIG_SPL_ETH_SUPPORT
203
204 /* USB gadget RNDIS */
205 #define CONFIG_SPL_MUSB_NEW_SUPPORT
206
207 /* General network SPL, both CPSW and USB gadget RNDIS */
208 #define CONFIG_SPL_NET_SUPPORT
209 #define CONFIG_SPL_ENV_SUPPORT
210 #define CONFIG_SPL_NET_VCI_STRING "AM335x U-Boot SPL"
211
212 /* SPI flash. */
213 #define CONFIG_SPL_SPI_SUPPORT
214 #define CONFIG_SPL_SPI_FLASH_SUPPORT
215 #define CONFIG_SPL_SPI_LOAD
216 #define CONFIG_SPL_SPI_BUS 0
217 #define CONFIG_SPL_SPI_CS 0
218 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000
219
220 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds"
221
222 #ifdef CONFIG_NAND
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 #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
241 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
242 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
243 #endif
244 #endif
245
246 /*
247 * For NOR boot, we must set this to the start of where NOR is mapped
248 * in memory.
249 */
250 #ifdef CONFIG_NOR_BOOT
251 #define CONFIG_SYS_TEXT_BASE 0x08000000
252 #endif
253
254 /*
255 * USB configuration. We enable MUSB support, both for host and for
256 * gadget. We set USB0 as peripheral and USB1 as host, based on the
257 * board schematic and physical port wired to each. Then for host we
258 * add mass storage support and for gadget we add both RNDIS ethernet
259 * and DFU.
260 */
261 #define CONFIG_USB_MUSB_DSPS
262 #define CONFIG_ARCH_MISC_INIT
263 #define CONFIG_MUSB_GADGET
264 #define CONFIG_MUSB_PIO_ONLY
265 #define CONFIG_MUSB_DISABLE_BULK_COMBINE_SPLIT
266 #define CONFIG_USB_GADGET
267 #define CONFIG_USBDOWNLOAD_GADGET
268 #define CONFIG_USB_GADGET_DUALSPEED
269 #define CONFIG_USB_GADGET_VBUS_DRAW 2
270 #define CONFIG_MUSB_HOST
271 #define CONFIG_AM335X_USB0
272 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL
273 #define CONFIG_AM335X_USB1
274 #define CONFIG_AM335X_USB1_MODE MUSB_HOST
275
276 #ifdef CONFIG_MUSB_HOST
277 #define CONFIG_CMD_USB
278 #define CONFIG_USB_STORAGE
279 #endif
280
281 #ifdef CONFIG_MUSB_GADGET
282 #define CONFIG_USB_ETHER
283 #define CONFIG_USB_ETH_RNDIS
284 #define CONFIG_USBNET_HOST_ADDR "de:ad:be:af:00:00"
285
286 /* USB TI's IDs */
287 #define CONFIG_G_DNL_VENDOR_NUM 0x0403
288 #define CONFIG_G_DNL_PRODUCT_NUM 0xBD00
289 #define CONFIG_G_DNL_MANUFACTURER "Texas Instruments"
290 #endif /* CONFIG_MUSB_GADGET */
291
292 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT)
293 /* disable host part of MUSB in SPL */
294 #undef CONFIG_MUSB_HOST
295 /*
296 * Disable CPSW SPL support so we fit within the 101KiB limit.
297 */
298 #undef CONFIG_SPL_ETH_SUPPORT
299 #endif
300
301 /* USB Device Firmware Update support */
302 #define CONFIG_DFU_FUNCTION
303 #define CONFIG_DFU_MMC
304 #define CONFIG_CMD_DFU
305 #define DFU_ALT_INFO_MMC \
306 "boot part 0 1;" \
307 "rootfs part 0 2;" \
308 "MLO fat 0 1;" \
309 "MLO.raw mmc 100 100;" \
310 "u-boot.img.raw mmc 300 400;" \
311 "spl-os-args.raw mmc 80 80;" \
312 "spl-os-image.raw mmc 900 2000;" \
313 "spl-os-args fat 0 1;" \
314 "spl-os-image fat 0 1;" \
315 "u-boot.img fat 0 1;" \
316 "uEnv.txt fat 0 1"
317 #ifdef CONFIG_NAND
318 #define CONFIG_DFU_NAND
319 #define DFU_ALT_INFO_NAND \
320 "SPL part 0 1;" \
321 "SPL.backup1 part 0 2;" \
322 "SPL.backup2 part 0 3;" \
323 "SPL.backup3 part 0 4;" \
324 "u-boot part 0 5;" \
325 "u-boot-spl-os part 0 6;" \
326 "kernel part 0 8;" \
327 "rootfs part 0 9"
328 #endif
329 #define CONFIG_DFU_RAM
330 #define DFU_ALT_INFO_RAM \
331 "kernel ram 0x80200000 0xD80000;" \
332 "fdt ram 0x80F80000 0x80000;" \
333 "ramdisk ram 0x81000000 0x4000000"
334
335 /*
336 * Default to using SPI for environment, etc.
337 * 0x000000 - 0x020000 : SPL (128KiB)
338 * 0x020000 - 0x0A0000 : U-Boot (512KiB)
339 * 0x0A0000 - 0x0BFFFF : First copy of U-Boot Environment (128KiB)
340 * 0x0C0000 - 0x0DFFFF : Second copy of U-Boot Environment (128KiB)
341 * 0x0E0000 - 0x442000 : Linux Kernel
342 * 0x442000 - 0x800000 : Userland
343 */
344 #if defined(CONFIG_SPI_BOOT)
345 #define CONFIG_ENV_IS_IN_SPI_FLASH
346 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
347 #define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
348 #define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */
349 #define CONFIG_ENV_OFFSET (768 << 10) /* 768 KiB in */
350 #define CONFIG_ENV_OFFSET_REDUND (896 << 10) /* 896 KiB in */
351 #define MTDIDS_DEFAULT "nor0=m25p80-flash.0"
352 #define MTDPARTS_DEFAULT "mtdparts=m25p80-flash.0:128k(SPL)," \
353 "512k(u-boot),128k(u-boot-env1)," \
354 "128k(u-boot-env2),3464k(kernel)," \
355 "-(rootfs)"
356 #elif defined(CONFIG_EMMC_BOOT)
357 #undef CONFIG_ENV_IS_NOWHERE
358 #define CONFIG_ENV_IS_IN_MMC
359 #define CONFIG_SYS_MMC_ENV_DEV 1
360 #define CONFIG_SYS_MMC_ENV_PART 2
361 #define CONFIG_ENV_OFFSET 0x0
362 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
363 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
364 #endif
365
366 /* SPI flash. */
367 #define CONFIG_CMD_SF
368 #define CONFIG_SPI_FLASH
369 #define CONFIG_SPI_FLASH_WINBOND
370 #define CONFIG_SF_DEFAULT_SPEED 24000000
371
372 /* Network. */
373 #define CONFIG_PHY_GIGE
374 #define CONFIG_PHYLIB
375 #define CONFIG_PHY_ADDR 0
376 #define CONFIG_PHY_SMSC
377
378 /* NAND support */
379 #ifdef CONFIG_NAND
380 #define CONFIG_CMD_NAND
381 #define GPMC_NAND_ECC_LP_x16_LAYOUT 1
382 #if !defined(CONFIG_SPI_BOOT) && !defined(CONFIG_NOR_BOOT)
383 #define MTDIDS_DEFAULT "nand0=omap2-nand.0"
384 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:128k(SPL)," \
385 "128k(SPL.backup1)," \
386 "128k(SPL.backup2)," \
387 "128k(SPL.backup3),1792k(u-boot)," \
388 "128k(u-boot-spl-os)," \
389 "128k(u-boot-env),5m(kernel),-(rootfs)"
390 #define CONFIG_ENV_IS_IN_NAND
391 #define CONFIG_ENV_OFFSET 0x260000 /* environment starts here */
392 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
393 #endif
394 #endif
395
396 /*
397 * NOR Size = 16 MiB
398 * Number of Sectors/Blocks = 128
399 * Sector Size = 128 KiB
400 * Word length = 16 bits
401 * Default layout:
402 * 0x000000 - 0x07FFFF : U-Boot (512 KiB)
403 * 0x080000 - 0x09FFFF : First copy of U-Boot Environment (128 KiB)
404 * 0x0A0000 - 0x0BFFFF : Second copy of U-Boot Environment (128 KiB)
405 * 0x0C0000 - 0x4BFFFF : Linux Kernel (4 MiB)
406 * 0x4C0000 - 0xFFFFFF : Userland (11 MiB + 256 KiB)
407 */
408 #if defined(CONFIG_NOR)
409 #undef CONFIG_SYS_NO_FLASH
410 #define CONFIG_CMD_FLASH
411 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
412 #define CONFIG_SYS_FLASH_PROTECTION
413 #define CONFIG_SYS_FLASH_CFI
414 #define CONFIG_FLASH_CFI_DRIVER
415 #define CONFIG_FLASH_CFI_MTD
416 #define CONFIG_SYS_MAX_FLASH_SECT 128
417 #define CONFIG_SYS_MAX_FLASH_BANKS 1
418 #define CONFIG_SYS_FLASH_BASE (0x08000000)
419 #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT
420 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
421 #ifdef CONFIG_NOR_BOOT
422 #define CONFIG_ENV_IS_IN_FLASH
423 #define CONFIG_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
424 #define CONFIG_ENV_OFFSET (512 << 10) /* 512 KiB */
425 #define CONFIG_ENV_OFFSET_REDUND (768 << 10) /* 768 KiB */
426 #define MTDIDS_DEFAULT "nor0=physmap-flash.0"
427 #define MTDPARTS_DEFAULT "mtdparts=physmap-flash.0:" \
428 "512k(u-boot)," \
429 "128k(u-boot-env1)," \
430 "128k(u-boot-env2)," \
431 "4m(kernel),-(rootfs)"
432 #endif
433 #endif /* NOR support */
434
435 #endif /* ! __CONFIG_AM335X_EVM_H */