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)
58 #define CONFIG_NET_MULTI
61 #define CONFIG_HARD_I2C
62 #define CONFIG_DRIVER_DAVINCI_I2C
63 #define CONFIG_SYS_I2C_SPEED 400000
64 #define CONFIG_SYS_I2C_SLAVE 0x10 /* SMBus host address */
66 /* NAND: socketed, two chipselects, normally 2 GBytes */
67 #define CONFIG_NAND_DAVINCI
68 #define CONFIG_SYS_NAND_CS 2
69 #define CONFIG_SYS_NAND_USE_FLASH_BBT
70 #define CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST
71 #define CONFIG_SYS_NAND_PAGE_2K
73 #define CONFIG_SYS_NAND_LARGEPAGE
74 #define CONFIG_SYS_NAND_BASE_LIST { 0x02000000, }
75 /* socket has two chipselects, nCE0 gated by address BIT(14) */
76 #define CONFIG_SYS_MAX_NAND_DEVICE 1
77 #define CONFIG_SYS_NAND_MAX_CHIPS 2
79 /* USB: OTG connector */
80 /* NYET -- #define CONFIG_USB_DAVINCI */
82 /* U-Boot command configuration */
83 #include <config_cmd_default.h>
86 #undef CONFIG_CMD_FLASH
87 #undef CONFIG_CMD_FPGA
88 #undef CONFIG_CMD_SETGETDCR
90 #define CONFIG_CMD_ASKENV
91 #define CONFIG_CMD_DHCP
92 #define CONFIG_CMD_I2C
93 #define CONFIG_CMD_PING
94 #define CONFIG_CMD_SAVES
96 #ifdef CONFIG_NAND_DAVINCI
97 #define CONFIG_CMD_MTDPARTS
98 #define CONFIG_MTD_PARTITIONS
99 #define CONFIG_MTD_DEVICE
100 #define CONFIG_CMD_NAND
101 #define CONFIG_CMD_UBI
102 #define CONFIG_RBTREE
105 #ifdef CONFIG_USB_DAVINCI
106 #define CONFIG_MUSB_HCD
107 #define CONFIG_CMD_USB
108 #define CONFIG_USB_STORAGE
110 #undef CONFIG_MUSB_HCD
111 #undef CONFIG_CMD_USB
112 #undef CONFIG_USB_STORAGE
115 #define CONFIG_CRC32_VERIFY
116 #define CONFIG_MX_CYCLIC
118 /* U-Boot general configuration */
119 #undef CONFIG_USE_IRQ /* No IRQ/FIQ in U-Boot */
120 #define CONFIG_BOOTFILE "uImage" /* Boot file name */
121 #define CONFIG_SYS_PROMPT "DM355 EVM # " /* Monitor Command Prompt */
122 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
123 #define CONFIG_SYS_PBSIZE /* Print buffer size */ \
124 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
125 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
126 #define CONFIG_SYS_HUSH_PARSER
127 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
128 #define CONFIG_SYS_LONGHELP
130 #ifdef CONFIG_NAND_DAVINCI
131 #define CONFIG_ENV_SIZE (256 << 10) /* 256 KiB */
132 #define CONFIG_ENV_IS_IN_NAND
133 #define CONFIG_ENV_OFFSET 0x3C0000
134 #undef CONFIG_ENV_IS_IN_FLASH
137 #define CONFIG_BOOTDELAY 5
138 #define CONFIG_BOOTCOMMAND \
140 #define CONFIG_BOOTARGS \
141 "console=ttyS0,115200n8 " \
142 "root=/dev/mmcblk0p1 rootwait rootfstype=ext3 ro"
144 #define CONFIG_CMDLINE_EDITING
145 #define CONFIG_VERSION_VARIABLE
146 #define CONFIG_TIMESTAMP
148 #define CONFIG_NET_RETRY_COUNT 10
150 /* U-Boot memory configuration */
151 #define CONFIG_STACKSIZE (256 << 10) /* 256 KiB */
152 #define CONFIG_SYS_MALLOC_LEN (1 << 20) /* 1 MiB */
153 #define CONFIG_SYS_MEMTEST_START 0x87000000 /* physical address */
154 #define CONFIG_SYS_MEMTEST_END 0x88000000 /* test 16MB RAM */
156 /* Linux interfacing */
157 #define CONFIG_CMDLINE_TAG
158 #define CONFIG_SETUP_MEMORY_TAGS
159 #define CONFIG_SYS_BARGSIZE 1024 /* bootarg Size */
160 #define CONFIG_SYS_LOAD_ADDR 0x80700000 /* kernel address */
163 /* NAND configuration ... socketed with two chipselects. It normally comes
164 * with a 2GByte SLC part with 2KB pages (and 128KB erase blocks); other
165 * 2GByte parts may have 4KB pages, 256KB erase blocks, and use MLC. (MLC
166 * pretty much demands the 4-bit ECC support.) You can of course swap in
167 * other parts, including small page ones.
169 * This presents a single read-only partition for all bootloader stuff.
170 * UBL (1+ block), U-Boot (256KB+), U-Boot environment (one block), and
171 * some extra space to help cope with bad blocks in that data. Linux
172 * shouldn't care about its detailed layout, and will probably want to use
173 * UBI/UBFS for the rest (except maybe on smallpage chips). It's easy to
174 * override this default partitioning using MTDPARTS and cmdlinepart.
176 #define MTDIDS_DEFAULT "nand0=davinci_nand.0"
178 #ifdef CONFIG_SYS_NAND_LARGEPAGE
179 /* Use same layout for 128K/256K blocks; allow some bad blocks */
180 #define PART_BOOT "2m(bootloader)ro,"
182 /* Assume 16K erase blocks; allow a few bad ones. */
183 #define PART_BOOT "512k(bootloader)ro,"
186 #define PART_KERNEL "4m(kernel)," /* kernel + initramfs */
187 #define PART_REST "-(filesystem)"
189 #define MTDPARTS_DEFAULT \
190 "mtdparts=davinci_nand.0:" PART_BOOT PART_KERNEL PART_REST
192 #endif /* __CONFIG_H */