2 * Copyright (C) 2009 David Brownell
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of
7 * the License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23 /* Spectrum Digital TMS320DM355 EVM board */
24 #define DAVINCI_DM355EVM
26 #define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is a 3rd stage loader */
27 #define CONFIG_SYS_NO_FLASH /* that is, no *NOR* flash */
28 #define CONFIG_SYS_CONSOLE_INFO_QUIET
29 #define CONFIG_DISPLAY_CPUINFO
31 /* SoC Configuration */
32 #define CONFIG_ARM926EJS /* arm926ejs CPU */
33 #define CONFIG_SYS_TIMERBASE 0x01c21400 /* use timer 0 */
34 #define CONFIG_SYS_HZ_CLOCK 24000000 /* timer0 freq */
35 #define CONFIG_SYS_HZ 1000
36 #define CONFIG_SOC_DM355
39 #define CONFIG_NR_DRAM_BANKS 1
40 #define PHYS_SDRAM_1 0x80000000
41 #define PHYS_SDRAM_1_SIZE (128 << 20) /* 128 MiB */
43 /* Serial Driver info: UART0 for console */
44 #define CONFIG_SYS_NS16550
45 #define CONFIG_SYS_NS16550_SERIAL
46 #define CONFIG_SYS_NS16550_REG_SIZE -4
47 #define CONFIG_SYS_NS16550_COM1 0x01c20000
48 #define CONFIG_SYS_NS16550_CLK CONFIG_SYS_HZ_CLOCK
49 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
50 #define CONFIG_CONS_INDEX 1
51 #define CONFIG_BAUDRATE 115200
53 /* Ethernet: external DM9000 */
54 #define CONFIG_DRIVER_DM9000 1
55 #define CONFIG_DM9000_BASE 0x04014000
56 #define DM9000_IO CONFIG_DM9000_BASE
57 #define DM9000_DATA (CONFIG_DM9000_BASE + 2)
60 #define CONFIG_HARD_I2C
61 #define CONFIG_DRIVER_DAVINCI_I2C
62 #define CONFIG_SYS_I2C_SPEED 400000
63 #define CONFIG_SYS_I2C_SLAVE 0x10 /* SMBus host address */
65 /* NAND: socketed, two chipselects, normally 2 GBytes */
66 #define CONFIG_NAND_DAVINCI
67 #define CONFIG_SYS_NAND_CS 2
68 #define CONFIG_SYS_NAND_USE_FLASH_BBT
69 #define CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST
70 #define CONFIG_SYS_NAND_PAGE_2K
72 #define CONFIG_SYS_NAND_LARGEPAGE
73 #define CONFIG_SYS_NAND_BASE_LIST { 0x02000000, }
74 /* socket has two chipselects, nCE0 gated by address BIT(14) */
75 #define CONFIG_SYS_MAX_NAND_DEVICE 1
76 #define CONFIG_SYS_NAND_MAX_CHIPS 2
80 #define CONFIG_GENERIC_MMC
81 #define CONFIG_DAVINCI_MMC
82 #define CONFIG_DAVINCI_MMC_SD1
83 #define CONFIG_MMC_MBLOCK
85 /* USB: OTG connector */
86 /* NYET -- #define CONFIG_USB_DAVINCI */
88 /* U-Boot command configuration */
89 #include <config_cmd_default.h>
92 #undef CONFIG_CMD_FLASH
93 #undef CONFIG_CMD_FPGA
94 #undef CONFIG_CMD_SETGETDCR
96 #define CONFIG_CMD_ASKENV
97 #define CONFIG_CMD_DHCP
98 #define CONFIG_CMD_I2C
99 #define CONFIG_CMD_PING
100 #define CONFIG_CMD_SAVES
103 #define CONFIG_DOS_PARTITION
104 #define CONFIG_CMD_EXT2
105 #define CONFIG_CMD_FAT
106 #define CONFIG_CMD_MMC
109 #ifdef CONFIG_NAND_DAVINCI
110 #define CONFIG_CMD_MTDPARTS
111 #define CONFIG_MTD_PARTITIONS
112 #define CONFIG_MTD_DEVICE
113 #define CONFIG_CMD_NAND
114 #define CONFIG_CMD_UBI
115 #define CONFIG_RBTREE
118 #ifdef CONFIG_USB_DAVINCI
119 #define CONFIG_MUSB_HCD
120 #define CONFIG_CMD_USB
121 #define CONFIG_USB_STORAGE
123 #undef CONFIG_MUSB_HCD
124 #undef CONFIG_CMD_USB
125 #undef CONFIG_USB_STORAGE
128 #define CONFIG_CRC32_VERIFY
129 #define CONFIG_MX_CYCLIC
131 /* U-Boot general configuration */
132 #undef CONFIG_USE_IRQ /* No IRQ/FIQ in U-Boot */
133 #define CONFIG_BOOTFILE "uImage" /* Boot file name */
134 #define CONFIG_SYS_PROMPT "DM355 EVM # " /* Monitor Command Prompt */
135 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
136 #define CONFIG_SYS_PBSIZE /* Print buffer size */ \
137 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
138 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
139 #define CONFIG_SYS_HUSH_PARSER
140 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
141 #define CONFIG_SYS_LONGHELP
143 #ifdef CONFIG_NAND_DAVINCI
144 #define CONFIG_ENV_SIZE (256 << 10) /* 256 KiB */
145 #define CONFIG_ENV_IS_IN_NAND
146 #define CONFIG_ENV_OFFSET 0x3C0000
147 #undef CONFIG_ENV_IS_IN_FLASH
150 #if defined(CONFIG_MMC) && !defined(CONFIG_ENV_IS_IN_NAND)
151 #define CONFIG_CMD_ENV
152 #define CONFIG_ENV_SIZE (16 << 10) /* 16 KiB */
153 #define CONFIG_ENV_OFFSET (51 << 9) /* Sector 51 */
154 #define CONFIG_ENV_IS_IN_MMC
155 #undef CONFIG_ENV_IS_IN_FLASH
158 #define CONFIG_BOOTDELAY 5
159 #define CONFIG_BOOTCOMMAND \
161 #define CONFIG_BOOTARGS \
162 "console=ttyS0,115200n8 " \
163 "root=/dev/mmcblk0p1 rootwait rootfstype=ext3 ro"
165 #define CONFIG_CMDLINE_EDITING
166 #define CONFIG_VERSION_VARIABLE
167 #define CONFIG_TIMESTAMP
169 #define CONFIG_NET_RETRY_COUNT 10
171 /* U-Boot memory configuration */
172 #define CONFIG_STACKSIZE (256 << 10) /* 256 KiB */
173 #define CONFIG_SYS_MALLOC_LEN (1 << 20) /* 1 MiB */
174 #define CONFIG_SYS_MEMTEST_START 0x87000000 /* physical address */
175 #define CONFIG_SYS_MEMTEST_END 0x88000000 /* test 16MB RAM */
177 /* Linux interfacing */
178 #define CONFIG_CMDLINE_TAG
179 #define CONFIG_SETUP_MEMORY_TAGS
180 #define CONFIG_SYS_BARGSIZE 1024 /* bootarg Size */
181 #define CONFIG_SYS_LOAD_ADDR 0x80700000 /* kernel address */
184 /* NAND configuration ... socketed with two chipselects. It normally comes
185 * with a 2GByte SLC part with 2KB pages (and 128KB erase blocks); other
186 * 2GByte parts may have 4KB pages, 256KB erase blocks, and use MLC. (MLC
187 * pretty much demands the 4-bit ECC support.) You can of course swap in
188 * other parts, including small page ones.
190 * This presents a single read-only partition for all bootloader stuff.
191 * UBL (1+ block), U-Boot (256KB+), U-Boot environment (one block), and
192 * some extra space to help cope with bad blocks in that data. Linux
193 * shouldn't care about its detailed layout, and will probably want to use
194 * UBI/UBFS for the rest (except maybe on smallpage chips). It's easy to
195 * override this default partitioning using MTDPARTS and cmdlinepart.
197 #define MTDIDS_DEFAULT "nand0=davinci_nand.0"
199 #ifdef CONFIG_SYS_NAND_LARGEPAGE
200 /* Use same layout for 128K/256K blocks; allow some bad blocks */
201 #define PART_BOOT "2m(bootloader)ro,"
203 /* Assume 16K erase blocks; allow a few bad ones. */
204 #define PART_BOOT "512k(bootloader)ro,"
207 #define PART_KERNEL "4m(kernel)," /* kernel + initramfs */
208 #define PART_REST "-(filesystem)"
210 #define MTDPARTS_DEFAULT \
211 "mtdparts=davinci_nand.0:" PART_BOOT PART_KERNEL PART_REST
213 #define CONFIG_MAX_RAM_BANK_SIZE (256 << 20) /* 256 MB */
215 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
216 #define CONFIG_SYS_INIT_SP_ADDR \
217 (CONFIG_SYS_SDRAM_BASE + 0x1000 - GENERATED_GBL_DATA_SIZE)
219 #endif /* __CONFIG_H */