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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#include <linux/sizes.h>
21
22#ifndef CONFIG_SPL_BUILD
23# define CONFIG_TIMESTAMP
24#endif
25
26#define CONFIG_SYS_BOOTM_LEN SZ_16M
27
28#define CONFIG_MACH_TYPE MACH_TYPE_AM335XEVM
29
30/* Clock Defines */
31#define V_OSCK 24000000 /* Clock output from T2 */
32#define V_SCLK (V_OSCK)
33
34/* Custom script for NOR */
35#define CONFIG_SYS_LDSCRIPT "board/ti/am335x/u-boot.lds"
36
37/* Always 128 KiB env size */
38#define CONFIG_ENV_SIZE SZ_128K
39
40#ifdef CONFIG_NAND
41#define NANDARGS \
42 "mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \
43 "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
44 "nandargs=setenv bootargs console=${console} " \
45 "${optargs} " \
46 "root=${nandroot} " \
47 "rootfstype=${nandrootfstype}\0" \
48 "nandroot=ubi0:rootfs rw ubi.mtd=NAND.file-system,2048\0" \
49 "nandrootfstype=ubifs rootwait=1\0" \
50 "nandboot=echo Booting from nand ...; " \
51 "run nandargs; " \
52 "nand read ${fdtaddr} NAND.u-boot-spl-os; " \
53 "nand read ${loadaddr} NAND.kernel; " \
54 "bootz ${loadaddr} - ${fdtaddr}\0"
55#else
56#define NANDARGS ""
57#endif
58
59#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
60
61#define BOOTENV_DEV_LEGACY_MMC(devtypeu, devtypel, instance) \
62 "bootcmd_" #devtypel #instance "=" \
63 "setenv mmcdev " #instance"; "\
64 "setenv bootpart " #instance":2 ; "\
65 "run mmcboot\0"
66
67#define BOOTENV_DEV_NAME_LEGACY_MMC(devtypeu, devtypel, instance) \
68 #devtypel #instance " "
69
70#define BOOTENV_DEV_NAND(devtypeu, devtypel, instance) \
71 "bootcmd_" #devtypel "=" \
72 "run nandboot\0"
73
74#define BOOTENV_DEV_NAME_NAND(devtypeu, devtypel, instance) \
75 #devtypel #instance " "
76
77#define BOOT_TARGET_DEVICES(func) \
78 func(MMC, mmc, 0) \
79 func(LEGACY_MMC, legacy_mmc, 0) \
80 func(MMC, mmc, 1) \
81 func(LEGACY_MMC, legacy_mmc, 1) \
82 func(NAND, nand, 0) \
83 func(PXE, pxe, na) \
84 func(DHCP, dhcp, na)
85
86#include <config_distro_bootcmd.h>
87
88#ifndef CONFIG_SPL_BUILD
89#include <environment/ti/dfu.h>
90#include <environment/ti/mmc.h>
91
92#define CONFIG_EXTRA_ENV_SETTINGS \
93 DEFAULT_LINUX_BOOT_ENV \
94 DEFAULT_MMC_TI_ARGS \
95 DEFAULT_FIT_TI_ARGS \
96 "bootpart=0:2\0" \
97 "bootdir=/boot\0" \
98 "bootfile=zImage\0" \
99 "fdtfile=undefined\0" \
100 "console=ttyO0,115200n8\0" \
101 "partitions=" \
102 "uuid_disk=${uuid_gpt_disk};" \
103 "name=bootloader,start=384K,size=1792K," \
104 "uuid=${uuid_gpt_bootloader};" \
105 "name=rootfs,start=2688K,size=-,uuid=${uuid_gpt_rootfs}\0" \
106 "optargs=\0" \
107 "ramroot=/dev/ram0 rw\0" \
108 "ramrootfstype=ext2\0" \
109 "spiroot=/dev/mtdblock4 rw\0" \
110 "spirootfstype=jffs2\0" \
111 "spisrcaddr=0xe0000\0" \
112 "spiimgsize=0x362000\0" \
113 "spibusno=0\0" \
114 "spiargs=setenv bootargs console=${console} " \
115 "${optargs} " \
116 "root=${spiroot} " \
117 "rootfstype=${spirootfstype}\0" \
118 "ramargs=setenv bootargs console=${console} " \
119 "${optargs} " \
120 "root=${ramroot} " \
121 "rootfstype=${ramrootfstype}\0" \
122 "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \
123 "spiboot=echo Booting from spi ...; " \
124 "run spiargs; " \
125 "sf probe ${spibusno}:0; " \
126 "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \
127 "bootz ${loadaddr}\0" \
128 "ramboot=echo Booting from ramdisk ...; " \
129 "run ramargs; " \
130 "bootz ${loadaddr} ${rdaddr} ${fdtaddr}\0" \
131 "findfdt="\
132 "if test $board_name = A335BONE; then " \
133 "setenv fdtfile am335x-bone.dtb; fi; " \
134 "if test $board_name = A335BNLT; then " \
135 "setenv fdtfile am335x-boneblack.dtb; fi; " \
136 "if test $board_name = BBBW; then " \
137 "setenv fdtfile am335x-boneblack-wireless.dtb; fi; " \
138 "if test $board_name = BBG1; then " \
139 "setenv fdtfile am335x-bonegreen.dtb; fi; " \
140 "if test $board_name = BBGW; then " \
141 "setenv fdtfile am335x-bonegreen-wireless.dtb; fi; " \
142 "if test $board_name = BBBL; then " \
143 "setenv fdtfile am335x-boneblue.dtb; fi; " \
144 "if test $board_name = A33515BB; then " \
145 "setenv fdtfile am335x-evm.dtb; fi; " \
146 "if test $board_name = A335X_SK; then " \
147 "setenv fdtfile am335x-evmsk.dtb; fi; " \
148 "if test $board_name = A335_ICE; then " \
149 "setenv fdtfile am335x-icev2.dtb; fi; " \
150 "if test $fdtfile = undefined; then " \
151 "echo WARNING: Could not determine device tree to use; fi; \0" \
152 "init_console=" \
153 "if test $board_name = A335_ICE; then "\
154 "setenv console ttyO3,115200n8;" \
155 "else " \
156 "setenv console ttyO0,115200n8;" \
157 "fi;\0" \
158 NANDARGS \
159 NETARGS \
160 DFUARGS \
161 BOOTENV
162#endif
163
164/* NS16550 Configuration */
165#define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */
166#define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */
167#define CONFIG_SYS_NS16550_COM3 0x48024000 /* UART2 */
168#define CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */
169#define CONFIG_SYS_NS16550_COM5 0x481a8000 /* UART4 */
170#define CONFIG_SYS_NS16550_COM6 0x481aa000 /* UART5 */
171
172#define CONFIG_ENV_EEPROM_IS_ON_I2C
173#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */
174#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
175
176/* PMIC support */
177#define CONFIG_POWER_TPS65217
178#define CONFIG_POWER_TPS65910
179
180/* SPL */
181#ifndef CONFIG_NOR_BOOT
182/* Bootcount using the RTC block */
183#define CONFIG_SYS_BOOTCOUNT_BE
184
185/* USB gadget RNDIS */
186#endif
187
188#ifdef CONFIG_NAND
189/* NAND: device related configs */
190#define CONFIG_SYS_NAND_5_ADDR_CYCLE
191#define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \
192 CONFIG_SYS_NAND_PAGE_SIZE)
193#define CONFIG_SYS_NAND_PAGE_SIZE 2048
194#define CONFIG_SYS_NAND_OOBSIZE 64
195#define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024)
196/* NAND: driver related configs */
197#define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
198#define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \
199 10, 11, 12, 13, 14, 15, 16, 17, \
200 18, 19, 20, 21, 22, 23, 24, 25, \
201 26, 27, 28, 29, 30, 31, 32, 33, \
202 34, 35, 36, 37, 38, 39, 40, 41, \
203 42, 43, 44, 45, 46, 47, 48, 49, \
204 50, 51, 52, 53, 54, 55, 56, 57, }
205
206#define CONFIG_SYS_NAND_ECCSIZE 512
207#define CONFIG_SYS_NAND_ECCBYTES 14
208#define CONFIG_SYS_NAND_ONFI_DETECTION
209#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW
210#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x000c0000
211/* NAND: SPL related configs */
212#ifdef CONFIG_SPL_OS_BOOT
213#define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x00200000 /* kernel offset */
214#endif
215#endif /* !CONFIG_NAND */
216
217/*
218 * For NOR boot, we must set this to the start of where NOR is mapped
219 * in memory.
220 */
221
222/*
223 * USB configuration. We enable MUSB support, both for host and for
224 * gadget. We set USB0 as peripheral and USB1 as host, based on the
225 * board schematic and physical port wired to each. Then for host we
226 * add mass storage support and for gadget we add both RNDIS ethernet
227 * and DFU.
228 */
229#define CONFIG_USB_MUSB_DISABLE_BULK_COMBINE_SPLIT
230#define CONFIG_AM335X_USB0
231#define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL
232#define CONFIG_AM335X_USB1
233#define CONFIG_AM335X_USB1_MODE MUSB_HOST
234
235/*
236 * Disable MMC DM for SPL build and can be re-enabled after adding
237 * DM support in SPL
238 */
239#ifdef CONFIG_SPL_BUILD
240#undef CONFIG_DM_MMC
241#undef CONFIG_TIMER
242#undef CONFIG_DM_USB
243#endif
244
245#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT)
246/* Remove other SPL modes. */
247/* disable host part of MUSB in SPL */
248/* disable EFI partitions and partition UUID support */
249#endif
250
251/* USB Device Firmware Update support */
252#ifndef CONFIG_SPL_BUILD
253#define DFUARGS \
254 DFU_ALT_INFO_EMMC \
255 DFU_ALT_INFO_MMC \
256 DFU_ALT_INFO_RAM \
257 DFU_ALT_INFO_NAND
258#endif
259
260/*
261 * Default to using SPI for environment, etc.
262 * 0x000000 - 0x020000 : SPL (128KiB)
263 * 0x020000 - 0x0A0000 : U-Boot (512KiB)
264 * 0x0A0000 - 0x0BFFFF : First copy of U-Boot Environment (128KiB)
265 * 0x0C0000 - 0x0DFFFF : Second copy of U-Boot Environment (128KiB)
266 * 0x0E0000 - 0x442000 : Linux Kernel
267 * 0x442000 - 0x800000 : Userland
268 */
269#if defined(CONFIG_SPI_BOOT)
270/* SPL related */
271#define CONFIG_SPL_SPI_LOAD
272#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000
273
274#define CONFIG_SYS_REDUNDAND_ENVIRONMENT
275#define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
276#define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */
277#define CONFIG_ENV_OFFSET (768 << 10) /* 768 KiB in */
278#define CONFIG_ENV_OFFSET_REDUND (896 << 10) /* 896 KiB in */
279#elif defined(CONFIG_EMMC_BOOT)
280#define CONFIG_SYS_MMC_ENV_DEV 1
281#define CONFIG_SYS_MMC_ENV_PART 0
282#define CONFIG_ENV_OFFSET 0x260000
283#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
284#define CONFIG_SYS_REDUNDAND_ENVIRONMENT
285#define CONFIG_SYS_MMC_MAX_DEVICE 2
286#elif defined(CONFIG_NOR_BOOT)
287#define CONFIG_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
288#define CONFIG_ENV_OFFSET (512 << 10) /* 512 KiB */
289#define CONFIG_ENV_OFFSET_REDUND (768 << 10) /* 768 KiB */
290#elif defined(CONFIG_ENV_IS_IN_NAND)
291#define CONFIG_ENV_OFFSET 0x001c0000
292#define CONFIG_ENV_OFFSET_REDUND 0x001e0000
293#define CONFIG_SYS_ENV_SECT_SIZE CONFIG_SYS_NAND_BLOCK_SIZE
294#endif
295
296/* SPI flash. */
297#define CONFIG_SF_DEFAULT_SPEED 24000000
298
299/* Network. */
300#define CONFIG_PHY_SMSC
301/* Enable Atheros phy driver */
302#define CONFIG_PHY_ATHEROS
303
304/*
305 * NOR Size = 16 MiB
306 * Number of Sectors/Blocks = 128
307 * Sector Size = 128 KiB
308 * Word length = 16 bits
309 * Default layout:
310 * 0x000000 - 0x07FFFF : U-Boot (512 KiB)
311 * 0x080000 - 0x09FFFF : First copy of U-Boot Environment (128 KiB)
312 * 0x0A0000 - 0x0BFFFF : Second copy of U-Boot Environment (128 KiB)
313 * 0x0C0000 - 0x4BFFFF : Linux Kernel (4 MiB)
314 * 0x4C0000 - 0xFFFFFF : Userland (11 MiB + 256 KiB)
315 */
316#if defined(CONFIG_NOR)
317#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
318#define CONFIG_SYS_FLASH_PROTECTION
319#define CONFIG_SYS_FLASH_CFI
320#define CONFIG_FLASH_CFI_DRIVER
321#define CONFIG_FLASH_CFI_MTD
322#define CONFIG_SYS_MAX_FLASH_SECT 128
323#define CONFIG_SYS_MAX_FLASH_BANKS 1
324#define CONFIG_SYS_FLASH_BASE (0x08000000)
325#define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT
326#define CONFIG_SYS_FLASH_SIZE 0x01000000
327#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
328#endif /* NOR support */
329
330#ifdef CONFIG_DRIVER_TI_CPSW
331#define CONFIG_CLOCK_SYNTHESIZER
332#define CLK_SYNTHESIZER_I2C_ADDR 0x65
333#endif
334
335#endif /* ! __CONFIG_AM335X_EVM_H */