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,
22 #include <asm/sizes.h>
24 /* Spectrum Digital TMS320DM355 EVM board */
25 #define DAVINCI_DM355EVM
27 #define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is a 3rd stage loader */
28 #define CONFIG_SKIP_RELOCATE_UBOOT
29 #define CONFIG_SYS_NO_FLASH /* that is, no *NOR* flash */
30 #define CONFIG_SYS_CONSOLE_INFO_QUIET
31 #define CONFIG_DISPLAY_CPUINFO
33 /* SoC Configuration */
34 #define CONFIG_ARM926EJS /* arm926ejs CPU */
35 #define CONFIG_SYS_TIMERBASE 0x01c21400 /* use timer 0 */
36 #define CONFIG_SYS_HZ_CLOCK 24000000 /* timer0 freq */
37 #define CONFIG_SYS_HZ 1000
38 #define CONFIG_SOC_DM355
41 #define CONFIG_NR_DRAM_BANKS 1
42 #define PHYS_SDRAM_1 0x80000000
43 #define PHYS_SDRAM_1_SIZE SZ_128M
45 /* Serial Driver info: UART0 for console */
46 #define CONFIG_SYS_NS16550
47 #define CONFIG_SYS_NS16550_SERIAL
48 #define CONFIG_SYS_NS16550_REG_SIZE -4
49 #define CONFIG_SYS_NS16550_COM1 0x01c20000
50 #define CONFIG_SYS_NS16550_CLK CONFIG_SYS_HZ_CLOCK
51 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
52 #define CONFIG_CONS_INDEX 1
53 #define CONFIG_BAUDRATE 115200
55 /* Ethernet: external DM9000 */
56 #define CONFIG_DRIVER_DM9000 1
57 #define CONFIG_DM9000_BASE 0x04014000
58 #define DM9000_IO CONFIG_DM9000_BASE
59 #define DM9000_DATA (CONFIG_DM9000_BASE + 2)
62 #define CONFIG_HARD_I2C
63 #define CONFIG_DRIVER_DAVINCI_I2C
64 #define CONFIG_SYS_I2C_SPEED 400000
65 #define CONFIG_SYS_I2C_SLAVE 0x10 /* SMBus host address */
67 /* NAND: socketed, two chipselects, normally 2 GBytes */
68 /* NYET -- #define CONFIG_NAND_DAVINCI */
69 #define CONFIG_SYS_NAND_HW_ECC
70 #define CONFIG_SYS_NAND_USE_FLASH_BBT
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
78 /* USB: OTG connector */
79 /* NYET -- #define CONFIG_USB_DAVINCI */
81 /* U-Boot command configuration */
82 #include <config_cmd_default.h>
85 #undef CONFIG_CMD_FLASH
86 #undef CONFIG_CMD_FPGA
87 #undef CONFIG_CMD_SETGETDCR
89 #define CONFIG_CMD_ASKENV
90 #define CONFIG_CMD_DHCP
91 #define CONFIG_CMD_I2C
92 #define CONFIG_CMD_PING
93 #define CONFIG_CMD_SAVES
95 #ifdef CONFIG_NAND_DAVINCI
96 #define CONFIG_CMD_MTDPARTS
97 #define CONFIG_MTD_PARTITIONS
98 #define CONFIG_CMD_NAND
99 #define CONFIG_CMD_UBI
100 #define CONFIG_RBTREE
103 /* TEMPORARY -- no safe place to save env, yet */
104 #define CONFIG_ENV_IS_NOWHERE
105 #undef CONFIG_CMD_SAVEENV
107 #ifdef CONFIG_USB_DAVINCI
108 #define CONFIG_MUSB_HCD
109 #define CONFIG_CMD_USB
110 #define CONFIG_USB_STORAGE
112 #undef CONFIG_MUSB_HCD
113 #undef CONFIG_CMD_USB
114 #undef CONFIG_USB_STORAGE
117 #define CONFIG_CRC32_VERIFY
118 #define CONFIG_MX_CYCLIC
120 /* U-Boot general configuration */
121 #undef CONFIG_USE_IRQ /* No IRQ/FIQ in U-Boot */
122 #define CONFIG_BOOTFILE "uImage" /* Boot file name */
123 #define CONFIG_SYS_PROMPT "DM355 EVM # " /* Monitor Command Prompt */
124 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
125 #define CONFIG_SYS_PBSIZE /* Print buffer size */ \
126 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
127 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
128 #define CONFIG_SYS_HUSH_PARSER
129 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
130 #define CONFIG_SYS_LONGHELP
132 #define CONFIG_ENV_SIZE SZ_16K
134 /* NYET -- #define CONFIG_BOOTDELAY 5 */
135 #define CONFIG_BOOTCOMMAND \
137 #define CONFIG_BOOTARGS \
138 "console=ttyS0,115200n8 " \
139 "root=/dev/mmcblk0p1 rootwait rootfstype=ext3 ro"
141 #define CONFIG_CMDLINE_EDITING
142 #define CONFIG_VERSION_VARIABLE
143 #define CONFIG_TIMESTAMP
145 #define CONFIG_NET_RETRY_COUNT 10
147 /* U-Boot memory configuration */
148 #define CONFIG_STACKSIZE SZ_256K /* regular stack */
149 #define CONFIG_SYS_MALLOC_LEN SZ_512K /* malloc() arena */
150 #define CONFIG_SYS_GBL_DATA_SIZE 128 /* for initial data */
151 #define CONFIG_SYS_MEMTEST_START 0x87000000 /* physical address */
152 #define CONFIG_SYS_MEMTEST_END 0x88000000 /* test 16MB RAM */
154 /* Linux interfacing */
155 #define CONFIG_CMDLINE_TAG
156 #define CONFIG_SETUP_MEMORY_TAGS
157 #define CONFIG_SYS_BARGSIZE 1024 /* bootarg Size */
158 #define CONFIG_SYS_LOAD_ADDR 0x80700000 /* kernel address */
161 /* NAND configuration ... socketed with two chipselects. It normally comes
162 * with a 2GByte SLC part with 2KB pages (and 128KB erase blocks); other
163 * 2GByte parts may have 4KB pages, 256KB erase blocks, and use MLC. (MLC
164 * pretty much demands the 4-bit ECC support.) You can of course swap in
165 * other parts, including small page ones.
167 * This presents a single read-only partition for all bootloader stuff.
168 * UBL (1+ block), U-Boot (256KB+), U-Boot environment (one block), and
169 * some extra space to help cope with bad blocks in that data. Linux
170 * shouldn't care about its detailed layout, and will probably want to use
171 * UBI/UBFS for the rest (except maybe on smallpage chips). It's easy to
172 * override this default partitioning using MTDPARTS and cmdlinepart.
174 #define MTDIDS_DEFAULT "nand0=davinci_nand.0"
176 #ifdef CONFIG_SYS_NAND_LARGEPAGE
177 /* Use same layout for 128K/256K blocks; allow some bad blocks */
178 #define PART_BOOT "2m(bootloader)ro,"
180 /* Assume 16K erase blocks; allow a few bad ones. */
181 #define PART_BOOT "512k(bootloader)ro,"
184 #define PART_KERNEL "4m(kernel)," /* kernel + initramfs */
185 #define PART_REST "-(filesystem)"
187 #define MTDPARTS_DEFAULT \
188 "mtdparts=davinci_nand.0:" PART_BOOT PART_KERNEL PART_REST
190 #endif /* __CONFIG_H */