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