4 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
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.
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.
16 #ifndef __CONFIG_AM335X_EVM_H
17 #define __CONFIG_AM335X_EVM_H
21 #include <asm/arch/cpu.h>
22 #include <asm/arch/hardware.h>
24 #define CONFIG_DMA_COHERENT
25 #define CONFIG_DMA_COHERENT_SIZE (1 << 20)
27 #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB */
28 #define CONFIG_SYS_MALLOC_LEN (1024 << 10)
29 #define CONFIG_SYS_LONGHELP /* undef to save memory */
30 #define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */
31 #define CONFIG_SYS_PROMPT "U-Boot# "
32 #define CONFIG_SYS_NO_FLASH
33 #define MACH_TYPE_TIAM335EVM 3589 /* Until the next sync */
34 #define CONFIG_MACH_TYPE MACH_TYPE_TIAM335EVM
36 #define CONFIG_OF_LIBFDT
37 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
38 #define CONFIG_SETUP_MEMORY_TAGS
39 #define CONFIG_INITRD_TAG
41 /* commands to include */
42 #include <config_cmd_default.h>
44 #define CONFIG_CMD_ASKENV
45 #define CONFIG_VERSION_VARIABLE
47 /* set to negative value for no autoboot */
48 #define CONFIG_BOOTDELAY 3
49 #define CONFIG_EXTRA_ENV_SETTINGS \
50 "loadaddr=0x80200000\0" \
51 "fdtaddr=0x80F80000\0" \
52 "rdaddr=0x81000000\0" \
53 "bootfile=/boot/uImage\0" \
54 "console=ttyO0,115200n8\0" \
57 "mmcroot=/dev/mmcblk0p2 rw\0" \
58 "mmcrootfstype=ext4 rootwait\0" \
59 "ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \
60 "ramrootfstype=ext2\0" \
61 "mmcargs=setenv bootargs console=${console} " \
64 "rootfstype=${mmcrootfstype}\0" \
65 "bootenv=uEnv.txt\0" \
66 "loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
67 "importbootenv=echo Importing environment from mmc ...; " \
68 "env import -t $loadaddr $filesize\0" \
69 "ramargs=setenv bootargs console=${console} " \
72 "rootfstype=${ramrootfstype}\0" \
73 "loadramdisk=fatload mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \
74 "loaduimagefat=fatload mmc ${mmcdev} ${loadaddr} ${bootfile}\0" \
75 "loaduimage=ext2load mmc ${mmcdev}:2 ${loadaddr} ${bootfile}\0" \
76 "mmcboot=echo Booting from mmc ...; " \
78 "bootm ${loadaddr}\0" \
79 "ramboot=echo Booting from ramdisk ...; " \
81 "bootm ${loadaddr}\0" \
83 #define CONFIG_BOOTCOMMAND \
84 "if mmc rescan ${mmcdev}; then " \
85 "echo SD/MMC found on device ${mmcdev};" \
86 "if run loadbootenv; then " \
87 "echo Loaded environment from ${bootenv};" \
88 "run importbootenv;" \
90 "if test -n $uenvcmd; then " \
91 "echo Running uenvcmd ...;" \
94 "if run loaduimage; then " \
100 #define V_OSCK 24000000 /* Clock output from T2 */
101 #define V_SCLK (V_OSCK)
103 #define CONFIG_CMD_ECHO
105 /* max number of command args */
106 #define CONFIG_SYS_MAXARGS 16
108 /* Console I/O Buffer Size */
109 #define CONFIG_SYS_CBSIZE 512
111 /* Print Buffer Size */
112 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \
113 + sizeof(CONFIG_SYS_PROMPT) + 16)
115 /* Boot Argument Buffer Size */
116 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
119 * memtest works on 8 MB in DRAM after skipping 32MB from
120 * start addr of ram disk
122 #define CONFIG_SYS_MEMTEST_START (PHYS_DRAM_1 + (64 * 1024 * 1024))
123 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START \
126 #define CONFIG_SYS_LOAD_ADDR 0x81000000 /* Default load address */
127 #define CONFIG_SYS_HZ 1000 /* 1ms clock */
130 #define CONFIG_GENERIC_MMC
131 #define CONFIG_OMAP_HSMMC
132 #define CONFIG_CMD_MMC
133 #define CONFIG_DOS_PARTITION
134 #define CONFIG_CMD_FAT
135 #define CONFIG_CMD_EXT2
137 /* Physical Memory Map */
138 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */
139 #define PHYS_DRAM_1 0x80000000 /* DRAM Bank #1 */
140 #define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */
142 #define CONFIG_SYS_SDRAM_BASE PHYS_DRAM_1
143 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x1000 - \
144 GENERATED_GBL_DATA_SIZE)
145 /* Platform/Board specific defs */
146 #define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */
147 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
148 #define CONFIG_SYS_HZ 1000
150 /* NS16550 Configuration */
151 #define CONFIG_SYS_NS16550
152 #define CONFIG_SYS_NS16550_SERIAL
153 #define CONFIG_SYS_NS16550_REG_SIZE (-4)
154 #define CONFIG_SYS_NS16550_CLK (48000000)
155 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */
157 /* I2C Configuration */
159 #define CONFIG_CMD_I2C
160 #define CONFIG_HARD_I2C
161 #define CONFIG_SYS_I2C_SPEED 100000
162 #define CONFIG_SYS_I2C_SLAVE 1
163 #define CONFIG_I2C_MULTI_BUS
164 #define CONFIG_DRIVER_OMAP24XX_I2C
165 #define CONFIG_CMD_EEPROM
166 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */
167 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
168 #define CONFIG_SYS_I2C_MULTI_EEPROMS
170 #define CONFIG_OMAP_GPIO
172 #define CONFIG_BAUDRATE 115200
173 #define CONFIG_SYS_BAUDRATE_TABLE { 110, 300, 600, 1200, 2400, \
174 4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 }
177 * select serial console configuration
179 #define CONFIG_SERIAL1 1
180 #define CONFIG_CONS_INDEX 1
181 #define CONFIG_SYS_CONSOLE_INFO_QUIET
183 #define CONFIG_ENV_IS_NOWHERE
185 /* Defines for SPL */
187 #define CONFIG_SPL_TEXT_BASE 0x402F0400
188 #define CONFIG_SPL_MAX_SIZE (46 * 1024)
189 #define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK
191 #define CONFIG_SPL_BSS_START_ADDR 0x80000000
192 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
194 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */
195 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */
196 #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1
197 #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img"
198 #define CONFIG_SPL_MMC_SUPPORT
199 #define CONFIG_SPL_FAT_SUPPORT
200 #define CONFIG_SPL_I2C_SUPPORT
202 #define CONFIG_SPL_LIBCOMMON_SUPPORT
203 #define CONFIG_SPL_LIBDISK_SUPPORT
204 #define CONFIG_SPL_LIBGENERIC_SUPPORT
205 #define CONFIG_SPL_SERIAL_SUPPORT
206 #define CONFIG_SPL_GPIO_SUPPORT
207 #define CONFIG_SPL_YMODEM_SUPPORT
208 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/omap-common/u-boot-spl.lds"
211 * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
212 * 64 bytes before this address should be set aside for u-boot.img's
213 * header. That is 0x800FFFC0--0x80100000 should not be used for any
216 #define CONFIG_SYS_TEXT_BASE 0x80800000
217 #define CONFIG_SYS_SPL_MALLOC_START 0x80208000
218 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000
220 /* Since SPL did pll and ddr initialization for us,
221 * we don't need to do it twice.
223 #ifndef CONFIG_SPL_BUILD
224 #define CONFIG_SKIP_LOWLEVEL_INIT
227 /* Unsupported features */
228 #undef CONFIG_USE_IRQ
230 #define CONFIG_CMD_NET
231 #define CONFIG_CMD_DHCP
232 #define CONFIG_CMD_PING
233 #define CONFIG_DRIVER_TI_CPSW
235 #define CONFIG_BOOTP_DEFAULT
236 #define CONFIG_BOOTP_DNS
237 #define CONFIG_BOOTP_DNS2
238 #define CONFIG_BOOTP_SEND_HOSTNAME
239 #define CONFIG_BOOTP_GATEWAY
240 #define CONFIG_BOOTP_SUBNETMASK
241 #define CONFIG_NET_RETRY_COUNT 10
242 #define CONFIG_NET_MULTI
243 #define CONFIG_PHY_GIGE
244 #define CONFIG_PHYLIB
245 #define CONFIG_PHY_SMSC
247 #endif /* ! __CONFIG_AM335X_EVM_H */