2 * Copyright (C) 2009 David Brownell
4 * SPDX-License-Identifier: GPL-2.0+
10 /* Spectrum Digital TMS320DM355 EVM board */
11 #define DAVINCI_DM355EVM
13 #define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is a 3rd stage loader */
14 #define CONFIG_SYS_NO_FLASH /* that is, no *NOR* flash */
15 #define CONFIG_SYS_CONSOLE_INFO_QUIET
17 /* SoC Configuration */
18 #define CONFIG_ARM926EJS /* arm926ejs CPU */
19 #define CONFIG_SYS_TIMERBASE 0x01c21400 /* use timer 0 */
20 #define CONFIG_SYS_HZ_CLOCK 24000000 /* timer0 freq */
21 #define CONFIG_SOC_DM355
24 #define CONFIG_NR_DRAM_BANKS 1
25 #define PHYS_SDRAM_1 0x80000000
26 #define PHYS_SDRAM_1_SIZE (128 << 20) /* 128 MiB */
28 /* Serial Driver info: UART0 for console */
29 #define CONFIG_SYS_NS16550
30 #define CONFIG_SYS_NS16550_SERIAL
31 #define CONFIG_SYS_NS16550_REG_SIZE -4
32 #define CONFIG_SYS_NS16550_COM1 0x01c20000
33 #define CONFIG_SYS_NS16550_CLK CONFIG_SYS_HZ_CLOCK
34 #define CONFIG_CONS_INDEX 1
35 #define CONFIG_BAUDRATE 115200
37 /* Ethernet: external DM9000 */
38 #define CONFIG_DRIVER_DM9000 1
39 #define CONFIG_DM9000_BASE 0x04014000
40 #define DM9000_IO CONFIG_DM9000_BASE
41 #define DM9000_DATA (CONFIG_DM9000_BASE + 2)
44 #define CONFIG_HARD_I2C
45 #define CONFIG_DRIVER_DAVINCI_I2C
46 #define CONFIG_SYS_I2C_SPEED 400000
47 #define CONFIG_SYS_I2C_SLAVE 0x10 /* SMBus host address */
49 /* NAND: socketed, two chipselects, normally 2 GBytes */
50 #define CONFIG_NAND_DAVINCI
51 #define CONFIG_SYS_NAND_CS 2
52 #define CONFIG_SYS_NAND_USE_FLASH_BBT
53 #define CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST
54 #define CONFIG_SYS_NAND_PAGE_2K
56 #define CONFIG_SYS_NAND_LARGEPAGE
57 #define CONFIG_SYS_NAND_BASE_LIST { 0x02000000, }
58 /* socket has two chipselects, nCE0 gated by address BIT(14) */
59 #define CONFIG_SYS_MAX_NAND_DEVICE 1
60 #define CONFIG_SYS_NAND_MAX_CHIPS 2
64 #define CONFIG_GENERIC_MMC
65 #define CONFIG_DAVINCI_MMC
66 #define CONFIG_DAVINCI_MMC_SD1
67 #define CONFIG_MMC_MBLOCK
69 /* USB: OTG connector */
70 /* NYET -- #define CONFIG_USB_DAVINCI */
72 /* U-Boot command configuration */
73 #include <config_cmd_default.h>
76 #undef CONFIG_CMD_FLASH
77 #undef CONFIG_CMD_FPGA
78 #undef CONFIG_CMD_SETGETDCR
80 #define CONFIG_CMD_ASKENV
81 #define CONFIG_CMD_DHCP
82 #define CONFIG_CMD_I2C
83 #define CONFIG_CMD_PING
84 #define CONFIG_CMD_SAVES
91 #define CONFIG_DOS_PARTITION
92 #define CONFIG_CMD_EXT2
93 #define CONFIG_CMD_FAT
94 #define CONFIG_CMD_MMC
97 #ifdef CONFIG_NAND_DAVINCI
98 #define CONFIG_CMD_MTDPARTS
99 #define CONFIG_MTD_PARTITIONS
100 #define CONFIG_MTD_DEVICE
101 #define CONFIG_CMD_NAND
102 #define CONFIG_CMD_UBI
103 #define CONFIG_RBTREE
106 #ifdef CONFIG_USB_DAVINCI
107 #define CONFIG_MUSB_HCD
108 #define CONFIG_CMD_USB
109 #define CONFIG_USB_STORAGE
111 #undef CONFIG_MUSB_HCD
112 #undef CONFIG_CMD_USB
113 #undef CONFIG_USB_STORAGE
116 #define CONFIG_CRC32_VERIFY
117 #define CONFIG_MX_CYCLIC
119 /* U-Boot general configuration */
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_LONGHELP
129 #ifdef CONFIG_NAND_DAVINCI
130 #define CONFIG_ENV_SIZE (256 << 10) /* 256 KiB */
131 #define CONFIG_ENV_IS_IN_NAND
132 #define CONFIG_ENV_OFFSET 0x3C0000
133 #undef CONFIG_ENV_IS_IN_FLASH
136 #if defined(CONFIG_MMC) && !defined(CONFIG_ENV_IS_IN_NAND)
137 #define CONFIG_CMD_ENV
138 #define CONFIG_ENV_SIZE (16 << 10) /* 16 KiB */
139 #define CONFIG_ENV_OFFSET (51 << 9) /* Sector 51 */
140 #define CONFIG_ENV_IS_IN_MMC
141 #undef CONFIG_ENV_IS_IN_FLASH
144 #define CONFIG_BOOTDELAY 5
145 #define CONFIG_BOOTCOMMAND \
147 #define CONFIG_BOOTARGS \
148 "console=ttyS0,115200n8 " \
149 "root=/dev/mmcblk0p1 rootwait rootfstype=ext3 ro"
151 #define CONFIG_CMDLINE_EDITING
152 #define CONFIG_VERSION_VARIABLE
153 #define CONFIG_TIMESTAMP
155 #define CONFIG_NET_RETRY_COUNT 10
157 /* U-Boot memory configuration */
158 #define CONFIG_SYS_MALLOC_LEN (1 << 20) /* 1 MiB */
159 #define CONFIG_SYS_MEMTEST_START 0x87000000 /* physical address */
160 #define CONFIG_SYS_MEMTEST_END 0x88000000 /* test 16MB RAM */
162 /* Linux interfacing */
163 #define CONFIG_CMDLINE_TAG
164 #define CONFIG_SETUP_MEMORY_TAGS
165 #define CONFIG_SYS_BARGSIZE 1024 /* bootarg Size */
166 #define CONFIG_SYS_LOAD_ADDR 0x80700000 /* kernel address */
169 /* NAND configuration ... socketed with two chipselects. It normally comes
170 * with a 2GByte SLC part with 2KB pages (and 128KB erase blocks); other
171 * 2GByte parts may have 4KB pages, 256KB erase blocks, and use MLC. (MLC
172 * pretty much demands the 4-bit ECC support.) You can of course swap in
173 * other parts, including small page ones.
175 * This presents a single read-only partition for all bootloader stuff.
176 * UBL (1+ block), U-Boot (256KB+), U-Boot environment (one block), and
177 * some extra space to help cope with bad blocks in that data. Linux
178 * shouldn't care about its detailed layout, and will probably want to use
179 * UBI/UBFS for the rest (except maybe on smallpage chips). It's easy to
180 * override this default partitioning using MTDPARTS and cmdlinepart.
182 #define MTDIDS_DEFAULT "nand0=davinci_nand.0"
184 #ifdef CONFIG_SYS_NAND_LARGEPAGE
185 /* Use same layout for 128K/256K blocks; allow some bad blocks */
186 #define PART_BOOT "2m(bootloader)ro,"
188 /* Assume 16K erase blocks; allow a few bad ones. */
189 #define PART_BOOT "512k(bootloader)ro,"
192 #define PART_KERNEL "4m(kernel)," /* kernel + initramfs */
193 #define PART_REST "-(filesystem)"
195 #define MTDPARTS_DEFAULT \
196 "mtdparts=davinci_nand.0:" PART_BOOT PART_KERNEL PART_REST
198 #define CONFIG_MAX_RAM_BANK_SIZE (256 << 20) /* 256 MB */
200 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
201 #define CONFIG_SYS_INIT_SP_ADDR \
202 (CONFIG_SYS_SDRAM_BASE + 0x1000 - GENERATED_GBL_DATA_SIZE)
204 #endif /* __CONFIG_H */