xref: /openbmc/u-boot/include/configs/am335x_evm.h (revision c7b9686d)
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 /* Don't override the distro default bootdelay */
22 #undef CONFIG_BOOTDELAY
23 #include <config_distro_defaults.h>
24 
25 #ifndef CONFIG_SPL_BUILD
26 #ifndef CONFIG_FIT
27 # define CONFIG_FIT
28 #endif
29 # define CONFIG_TIMESTAMP
30 # define CONFIG_LZO
31 #endif
32 
33 #define CONFIG_SYS_BOOTM_LEN		(16 << 20)
34 
35 #define MACH_TYPE_TIAM335EVM		3589	/* Until the next sync */
36 #define CONFIG_MACH_TYPE		MACH_TYPE_TIAM335EVM
37 #define CONFIG_BOARD_LATE_INIT
38 
39 /* Clock Defines */
40 #define V_OSCK				24000000  /* Clock output from T2 */
41 #define V_SCLK				(V_OSCK)
42 
43 /* Custom script for NOR */
44 #define CONFIG_SYS_LDSCRIPT		"board/ti/am335x/u-boot.lds"
45 
46 /* Always 128 KiB env size */
47 #define CONFIG_ENV_SIZE			(128 << 10)
48 
49 /* Enhance our eMMC support / experience. */
50 #define CONFIG_CMD_GPT
51 #define CONFIG_EFI_PARTITION
52 
53 #ifdef CONFIG_NAND
54 #define NANDARGS \
55 	"mtdids=" MTDIDS_DEFAULT "\0" \
56 	"mtdparts=" MTDPARTS_DEFAULT "\0" \
57 	"nandargs=setenv bootargs console=${console} " \
58 		"${optargs} " \
59 		"root=${nandroot} " \
60 		"rootfstype=${nandrootfstype}\0" \
61 	"nandroot=ubi0:rootfs rw ubi.mtd=NAND.file-system,2048\0" \
62 	"nandrootfstype=ubifs rootwait=1\0" \
63 	"nandboot=echo Booting from nand ...; " \
64 		"run nandargs; " \
65 		"nand read ${fdtaddr} NAND.u-boot-spl-os; " \
66 		"nand read ${loadaddr} NAND.kernel; " \
67 		"bootz ${loadaddr} - ${fdtaddr}\0"
68 #else
69 #define NANDARGS ""
70 #endif
71 
72 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
73 
74 #define BOOTENV_DEV_LEGACY_MMC(devtypeu, devtypel, instance) \
75 	"bootcmd_" #devtypel #instance "=" \
76 	"setenv mmcdev " #instance"; "\
77 	"setenv bootpart " #instance":2 ; "\
78 	"run mmcboot\0"
79 
80 #define BOOTENV_DEV_NAME_LEGACY_MMC(devtypeu, devtypel, instance) \
81 	#devtypel #instance " "
82 
83 #define BOOTENV_DEV_NAND(devtypeu, devtypel, instance) \
84 	"bootcmd_" #devtypel "=" \
85 	"run nandboot\0"
86 
87 #define BOOTENV_DEV_NAME_NAND(devtypeu, devtypel, instance) \
88 	#devtypel #instance " "
89 
90 #define BOOT_TARGET_DEVICES(func) \
91 	func(MMC, mmc, 0) \
92 	func(LEGACY_MMC, legacy_mmc, 0) \
93 	func(MMC, mmc, 1) \
94 	func(LEGACY_MMC, legacy_mmc, 1) \
95 	func(NAND, nand, 0) \
96 	func(PXE, pxe, na) \
97 	func(DHCP, dhcp, na)
98 
99 #define CONFIG_BOOTCOMMAND \
100 	"run findfdt; " \
101 	"run distro_bootcmd"
102 
103 #include <config_distro_bootcmd.h>
104 
105 #ifndef CONFIG_SPL_BUILD
106 #define CONFIG_EXTRA_ENV_SETTINGS \
107 	DEFAULT_LINUX_BOOT_ENV \
108 	DEFAULT_MMC_TI_ARGS \
109 	"boot_fdt=try\0" \
110 	"bootpart=0:2\0" \
111 	"bootdir=/boot\0" \
112 	"bootfile=zImage\0" \
113 	"fdtfile=undefined\0" \
114 	"console=ttyO0,115200n8\0" \
115 	"partitions=" \
116 		"uuid_disk=${uuid_gpt_disk};" \
117 		"name=rootfs,start=2MiB,size=-,uuid=${uuid_gpt_rootfs}\0" \
118 	"optargs=\0" \
119 	"ramroot=/dev/ram0 rw\0" \
120 	"ramrootfstype=ext2\0" \
121 	"spiroot=/dev/mtdblock4 rw\0" \
122 	"spirootfstype=jffs2\0" \
123 	"spisrcaddr=0xe0000\0" \
124 	"spiimgsize=0x362000\0" \
125 	"spibusno=0\0" \
126 	"spiargs=setenv bootargs console=${console} " \
127 		"${optargs} " \
128 		"root=${spiroot} " \
129 		"rootfstype=${spirootfstype}\0" \
130 	"bootenv=uEnv.txt\0" \
131 	"loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \
132 	"bootscript=echo Running bootscript from mmc${mmcdev} ...; " \
133 		"source ${loadaddr}\0" \
134 	"loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
135 	"importbootenv=echo Importing environment from mmc ...; " \
136 		"env import -t -r $loadaddr $filesize\0" \
137 	"ramargs=setenv bootargs console=${console} " \
138 		"${optargs} " \
139 		"root=${ramroot} " \
140 		"rootfstype=${ramrootfstype}\0" \
141 	"loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \
142 	"loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
143 	"loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
144 	"mmcloados=run args_mmc; " \
145 		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
146 			"if run loadfdt; then " \
147 				"bootz ${loadaddr} - ${fdtaddr}; " \
148 			"else " \
149 				"if test ${boot_fdt} = try; then " \
150 					"bootz; " \
151 				"else " \
152 					"echo WARN: Cannot load the DT; " \
153 				"fi; " \
154 			"fi; " \
155 		"else " \
156 			"bootz; " \
157 		"fi;\0" \
158 	"mmcboot=mmc dev ${mmcdev}; " \
159 		"if mmc rescan; then " \
160 			"echo SD/MMC found on device ${mmcdev};" \
161 			"if run loadbootscript; then " \
162 				"run bootscript;" \
163 			"else " \
164 				"if run loadbootenv; then " \
165 					"echo Loaded environment from ${bootenv};" \
166 					"run importbootenv;" \
167 				"fi;" \
168 				"if test -n $uenvcmd; then " \
169 					"echo Running uenvcmd ...;" \
170 					"run uenvcmd;" \
171 				"fi;" \
172 				"if run loadimage; then " \
173 					"run mmcloados;" \
174 				"fi;" \
175 			"fi ;" \
176 		"fi;\0" \
177 	"spiboot=echo Booting from spi ...; " \
178 		"run spiargs; " \
179 		"sf probe ${spibusno}:0; " \
180 		"sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \
181 		"bootz ${loadaddr}\0" \
182 	"ramboot=echo Booting from ramdisk ...; " \
183 		"run ramargs; " \
184 		"bootz ${loadaddr} ${rdaddr} ${fdtaddr}\0" \
185 	"findfdt="\
186 		"if test $board_name = A335BONE; then " \
187 			"setenv fdtfile am335x-bone.dtb; fi; " \
188 		"if test $board_name = A335BNLT; then " \
189 			"if test $board_rev = BBG1; then " \
190 				"setenv fdtfile am335x-bonegreen.dtb; " \
191 			"else " \
192 				"setenv fdtfile am335x-boneblack.dtb; " \
193 			"fi; " \
194 		"fi; " \
195 		"if test $board_name = A33515BB; then " \
196 			"setenv fdtfile am335x-evm.dtb; fi; " \
197 		"if test $board_name = A335X_SK; then " \
198 			"setenv fdtfile am335x-evmsk.dtb; fi; " \
199 		"if test $fdtfile = undefined; then " \
200 			"echo WARNING: Could not determine device tree to use; fi; \0" \
201 	NANDARGS \
202 	NETARGS \
203 	DFUARGS \
204 	BOOTENV
205 #endif
206 
207 
208 /* NS16550 Configuration */
209 #define CONFIG_SYS_NS16550_COM1		0x44e09000	/* Base EVM has UART0 */
210 #define CONFIG_SYS_NS16550_COM2		0x48022000	/* UART1 */
211 #define CONFIG_SYS_NS16550_COM3		0x48024000	/* UART2 */
212 #define CONFIG_SYS_NS16550_COM4		0x481a6000	/* UART3 */
213 #define CONFIG_SYS_NS16550_COM5		0x481a8000	/* UART4 */
214 #define CONFIG_SYS_NS16550_COM6		0x481aa000	/* UART5 */
215 #define CONFIG_BAUDRATE			115200
216 
217 #define CONFIG_CMD_EEPROM
218 #define CONFIG_ENV_EEPROM_IS_ON_I2C
219 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50	/* Main EEPROM */
220 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
221 #define CONFIG_SYS_I2C_MULTI_EEPROMS
222 
223 /* PMIC support */
224 #define CONFIG_POWER_TPS65217
225 #define CONFIG_POWER_TPS65910
226 
227 /* SPL */
228 #ifndef CONFIG_NOR_BOOT
229 #define CONFIG_SPL_POWER_SUPPORT
230 #define CONFIG_SPL_YMODEM_SUPPORT
231 
232 /* Bootcount using the RTC block */
233 #define CONFIG_BOOTCOUNT_LIMIT
234 #define CONFIG_BOOTCOUNT_AM33XX
235 #define CONFIG_SYS_BOOTCOUNT_BE
236 
237 /* USB gadget RNDIS */
238 #define CONFIG_SPL_MUSB_NEW_SUPPORT
239 
240 #define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/am33xx/u-boot-spl.lds"
241 #endif
242 
243 #ifdef CONFIG_NAND
244 /* NAND: device related configs */
245 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
246 #define CONFIG_SYS_NAND_PAGE_COUNT	(CONFIG_SYS_NAND_BLOCK_SIZE / \
247 					 CONFIG_SYS_NAND_PAGE_SIZE)
248 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
249 #define CONFIG_SYS_NAND_OOBSIZE		64
250 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
251 /* NAND: driver related configs */
252 #define CONFIG_NAND_OMAP_GPMC
253 #define CONFIG_NAND_OMAP_GPMC_PREFETCH
254 #define CONFIG_NAND_OMAP_ELM
255 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
256 #define CONFIG_SYS_NAND_ECCPOS		{ 2, 3, 4, 5, 6, 7, 8, 9, \
257 					 10, 11, 12, 13, 14, 15, 16, 17, \
258 					 18, 19, 20, 21, 22, 23, 24, 25, \
259 					 26, 27, 28, 29, 30, 31, 32, 33, \
260 					 34, 35, 36, 37, 38, 39, 40, 41, \
261 					 42, 43, 44, 45, 46, 47, 48, 49, \
262 					 50, 51, 52, 53, 54, 55, 56, 57, }
263 
264 #define CONFIG_SYS_NAND_ECCSIZE		512
265 #define CONFIG_SYS_NAND_ECCBYTES	14
266 #define CONFIG_SYS_NAND_ONFI_DETECTION
267 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_BCH8_CODE_HW
268 #define MTDIDS_DEFAULT			"nand0=nand.0"
269 #define MTDPARTS_DEFAULT		"mtdparts=nand.0:" \
270 					"128k(NAND.SPL)," \
271 					"128k(NAND.SPL.backup1)," \
272 					"128k(NAND.SPL.backup2)," \
273 					"128k(NAND.SPL.backup3)," \
274 					"256k(NAND.u-boot-spl-os)," \
275 					"1m(NAND.u-boot)," \
276 					"128k(NAND.u-boot-env)," \
277 					"128k(NAND.u-boot-env.backup1)," \
278 					"8m(NAND.kernel)," \
279 					"-(NAND.file-system)"
280 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x000c0000
281 #undef CONFIG_ENV_IS_NOWHERE
282 #define CONFIG_ENV_IS_IN_NAND
283 #define CONFIG_ENV_OFFSET		0x001c0000
284 #define CONFIG_ENV_OFFSET_REDUND	0x001e0000
285 #define CONFIG_SYS_ENV_SECT_SIZE	CONFIG_SYS_NAND_BLOCK_SIZE
286 /* NAND: SPL related configs */
287 #ifdef CONFIG_SPL_NAND_SUPPORT
288 #define CONFIG_SPL_NAND_AM33XX_BCH
289 #endif
290 #ifdef CONFIG_SPL_OS_BOOT
291 #define CONFIG_CMD_SPL_NAND_OFS	0x00080000 /* os parameters */
292 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x00200000 /* kernel offset */
293 #define CONFIG_CMD_SPL_WRITE_SIZE	0x2000
294 #endif
295 #endif /* !CONFIG_NAND */
296 
297 /*
298  * For NOR boot, we must set this to the start of where NOR is mapped
299  * in memory.
300  */
301 #ifdef CONFIG_NOR_BOOT
302 #define CONFIG_SYS_TEXT_BASE		0x08000000
303 #endif
304 
305 /*
306  * USB configuration.  We enable MUSB support, both for host and for
307  * gadget.  We set USB0 as peripheral and USB1 as host, based on the
308  * board schematic and physical port wired to each.  Then for host we
309  * add mass storage support and for gadget we add both RNDIS ethernet
310  * and DFU.
311  */
312 #define CONFIG_USB_MUSB_DSPS
313 #define CONFIG_ARCH_MISC_INIT
314 #define CONFIG_USB_MUSB_GADGET
315 #define CONFIG_USB_MUSB_PIO_ONLY
316 #define CONFIG_USB_MUSB_DISABLE_BULK_COMBINE_SPLIT
317 #define CONFIG_USB_GADGET
318 #define CONFIG_USB_GADGET_DOWNLOAD
319 #define CONFIG_USB_GADGET_DUALSPEED
320 #define CONFIG_USB_GADGET_VBUS_DRAW	2
321 #define CONFIG_USB_MUSB_HOST
322 #define CONFIG_AM335X_USB0
323 #define CONFIG_AM335X_USB0_MODE	MUSB_PERIPHERAL
324 #define CONFIG_AM335X_USB1
325 #define CONFIG_AM335X_USB1_MODE MUSB_HOST
326 
327 #ifndef CONFIG_SPL_USBETH_SUPPORT
328 /* Fastboot */
329 #define CONFIG_USB_FUNCTION_FASTBOOT
330 #define CONFIG_CMD_FASTBOOT
331 #define CONFIG_ANDROID_BOOT_IMAGE
332 #define CONFIG_FASTBOOT_BUF_ADDR	CONFIG_SYS_LOAD_ADDR
333 #define CONFIG_FASTBOOT_BUF_SIZE	0x07000000
334 
335 /* To support eMMC booting */
336 #define CONFIG_STORAGE_EMMC
337 #define CONFIG_FASTBOOT_FLASH_MMC_DEV   1
338 #endif
339 
340 #ifdef CONFIG_USB_MUSB_HOST
341 #define CONFIG_CMD_USB
342 #define CONFIG_USB_STORAGE
343 #endif
344 
345 #ifdef CONFIG_USB_MUSB_GADGET
346 /* Removing USB gadget and can be enabled adter adding support usb DM */
347 #ifndef CONFIG_DM_ETH
348 #define CONFIG_USB_ETHER
349 #define CONFIG_USB_ETH_RNDIS
350 #define CONFIG_USBNET_HOST_ADDR	"de:ad:be:af:00:00"
351 #endif /* CONFIG_DM_ETH */
352 
353 /* USB TI's IDs */
354 #define CONFIG_G_DNL_VENDOR_NUM 0x0451
355 #define CONFIG_G_DNL_PRODUCT_NUM 0xD022
356 #define CONFIG_G_DNL_MANUFACTURER "Texas Instruments"
357 #endif /* CONFIG_USB_MUSB_GADGET */
358 
359 /*
360  * Disable MMC DM for SPL build and can be re-enabled after adding
361  * DM support in SPL
362  */
363 #ifdef CONFIG_SPL_BUILD
364 #undef CONFIG_DM_MMC
365 #endif
366 
367 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT)
368 /* Remove other SPL modes. */
369 #undef CONFIG_SPL_YMODEM_SUPPORT
370 #undef CONFIG_SPL_NAND_SUPPORT
371 #undef CONFIG_SPL_MMC_SUPPORT
372 #define CONFIG_ENV_IS_NOWHERE
373 #undef CONFIG_ENV_IS_IN_NAND
374 /* disable host part of MUSB in SPL */
375 #undef CONFIG_USB_MUSB_HOST
376 /* disable EFI partitions and partition UUID support */
377 #undef CONFIG_PARTITION_UUIDS
378 #undef CONFIG_EFI_PARTITION
379 /* General network SPL  */
380 #define CONFIG_SPL_NET_SUPPORT
381 #define CONFIG_SPL_ENV_SUPPORT
382 #define CONFIG_SPL_NET_VCI_STRING	"AM335x U-Boot SPL"
383 #endif
384 
385 /* USB Device Firmware Update support */
386 #ifndef CONFIG_SPL_BUILD
387 #define CONFIG_USB_FUNCTION_DFU
388 #define CONFIG_DFU_MMC
389 #define CONFIG_CMD_DFU
390 #define DFU_ALT_INFO_MMC \
391 	"dfu_alt_info_mmc=" \
392 	"boot part 0 1;" \
393 	"rootfs part 0 2;" \
394 	"MLO fat 0 1;" \
395 	"MLO.raw raw 0x100 0x100;" \
396 	"u-boot.img.raw raw 0x300 0x400;" \
397 	"spl-os-args.raw raw 0x80 0x80;" \
398 	"spl-os-image.raw raw 0x900 0x2000;" \
399 	"spl-os-args fat 0 1;" \
400 	"spl-os-image fat 0 1;" \
401 	"u-boot.img fat 0 1;" \
402 	"uEnv.txt fat 0 1\0"
403 #ifdef CONFIG_NAND
404 #define CONFIG_DFU_NAND
405 #define DFU_ALT_INFO_NAND \
406 	"dfu_alt_info_nand=" \
407 	"SPL part 0 1;" \
408 	"SPL.backup1 part 0 2;" \
409 	"SPL.backup2 part 0 3;" \
410 	"SPL.backup3 part 0 4;" \
411 	"u-boot part 0 5;" \
412 	"u-boot-spl-os part 0 6;" \
413 	"kernel part 0 8;" \
414 	"rootfs part 0 9\0"
415 #else
416 #define DFU_ALT_INFO_NAND ""
417 #endif
418 #define CONFIG_DFU_RAM
419 #define DFU_ALT_INFO_RAM \
420 	"dfu_alt_info_ram=" \
421 	"kernel ram 0x80200000 0xD80000;" \
422 	"fdt ram 0x80F80000 0x80000;" \
423 	"ramdisk ram 0x81000000 0x4000000\0"
424 #define DFUARGS \
425 	"dfu_alt_info_emmc=rawemmc raw 0 3751936\0" \
426 	DFU_ALT_INFO_MMC \
427 	DFU_ALT_INFO_RAM \
428 	DFU_ALT_INFO_NAND
429 #endif
430 
431 /*
432  * Default to using SPI for environment, etc.
433  * 0x000000 - 0x020000 : SPL (128KiB)
434  * 0x020000 - 0x0A0000 : U-Boot (512KiB)
435  * 0x0A0000 - 0x0BFFFF : First copy of U-Boot Environment (128KiB)
436  * 0x0C0000 - 0x0DFFFF : Second copy of U-Boot Environment (128KiB)
437  * 0x0E0000 - 0x442000 : Linux Kernel
438  * 0x442000 - 0x800000 : Userland
439  */
440 #if defined(CONFIG_SPI_BOOT)
441 /* SPL related */
442 #undef CONFIG_SPL_OS_BOOT		/* Not supported by existing map */
443 #define CONFIG_SPL_SPI_SUPPORT
444 #define CONFIG_SPL_SPI_FLASH_SUPPORT
445 #define CONFIG_SPL_SPI_LOAD
446 #define CONFIG_SYS_SPI_U_BOOT_OFFS	0x20000
447 
448 #define CONFIG_ENV_IS_IN_SPI_FLASH
449 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
450 #define CONFIG_ENV_SPI_MAX_HZ		CONFIG_SF_DEFAULT_SPEED
451 #define CONFIG_ENV_SECT_SIZE		(4 << 10) /* 4 KB sectors */
452 #define CONFIG_ENV_OFFSET		(768 << 10) /* 768 KiB in */
453 #define CONFIG_ENV_OFFSET_REDUND	(896 << 10) /* 896 KiB in */
454 #define MTDIDS_DEFAULT			"nor0=m25p80-flash.0"
455 #define MTDPARTS_DEFAULT		"mtdparts=m25p80-flash.0:128k(SPL)," \
456 					"512k(u-boot),128k(u-boot-env1)," \
457 					"128k(u-boot-env2),3464k(kernel)," \
458 					"-(rootfs)"
459 #elif defined(CONFIG_EMMC_BOOT)
460 #undef CONFIG_ENV_IS_NOWHERE
461 #define CONFIG_ENV_IS_IN_MMC
462 #define CONFIG_SPL_ENV_SUPPORT
463 #define CONFIG_SYS_MMC_ENV_DEV		1
464 #define CONFIG_SYS_MMC_ENV_PART		2
465 #define CONFIG_ENV_OFFSET		0x0
466 #define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
467 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
468 #endif
469 
470 /* SPI flash. */
471 #define CONFIG_CMD_SF
472 #define CONFIG_SPI_FLASH_WINBOND
473 #define CONFIG_SF_DEFAULT_SPEED		24000000
474 
475 /* Network. */
476 #define CONFIG_PHY_GIGE
477 #define CONFIG_PHYLIB
478 #define CONFIG_PHY_SMSC
479 
480 /*
481  * NOR Size = 16 MiB
482  * Number of Sectors/Blocks = 128
483  * Sector Size = 128 KiB
484  * Word length = 16 bits
485  * Default layout:
486  * 0x000000 - 0x07FFFF : U-Boot (512 KiB)
487  * 0x080000 - 0x09FFFF : First copy of U-Boot Environment (128 KiB)
488  * 0x0A0000 - 0x0BFFFF : Second copy of U-Boot Environment (128 KiB)
489  * 0x0C0000 - 0x4BFFFF : Linux Kernel (4 MiB)
490  * 0x4C0000 - 0xFFFFFF : Userland (11 MiB + 256 KiB)
491  */
492 #if defined(CONFIG_NOR)
493 #undef CONFIG_SYS_NO_FLASH
494 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
495 #define CONFIG_SYS_FLASH_PROTECTION
496 #define CONFIG_SYS_FLASH_CFI
497 #define CONFIG_FLASH_CFI_DRIVER
498 #define CONFIG_FLASH_CFI_MTD
499 #define CONFIG_SYS_MAX_FLASH_SECT	128
500 #define CONFIG_SYS_MAX_FLASH_BANKS	1
501 #define CONFIG_SYS_FLASH_BASE		(0x08000000)
502 #define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_16BIT
503 #define CONFIG_SYS_FLASH_SIZE		0x01000000
504 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
505 /* Reduce SPL size by removing unlikey targets */
506 #ifdef CONFIG_NOR_BOOT
507 #define CONFIG_ENV_IS_IN_FLASH
508 #define CONFIG_ENV_SECT_SIZE		(128 << 10)	/* 128 KiB */
509 #define CONFIG_ENV_OFFSET		(512 << 10)	/* 512 KiB */
510 #define CONFIG_ENV_OFFSET_REDUND	(768 << 10)	/* 768 KiB */
511 #define MTDIDS_DEFAULT			"nor0=physmap-flash.0"
512 #define MTDPARTS_DEFAULT		"mtdparts=physmap-flash.0:" \
513 					"512k(u-boot)," \
514 					"128k(u-boot-env1)," \
515 					"128k(u-boot-env2)," \
516 					"4m(kernel),-(rootfs)"
517 #endif
518 #endif  /* NOR support */
519 
520 #endif	/* ! __CONFIG_AM335X_EVM_H */
521