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