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David Brownell28b00322009-05-15 23:48:37 +02001/*
2 * Copyright (C) 2009 David Brownell
3 *
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.
8 *
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.
13 *
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,
17 * MA 02111-1307 USA
18 */
19
20#ifndef __CONFIG_H
21#define __CONFIG_H
22#include <asm/sizes.h>
23
24/* Spectrum Digital TMS320DM355 EVM board */
25#define DAVINCI_DM355EVM
26
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
32
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
39
40/* Memory Info */
41#define CONFIG_NR_DRAM_BANKS 1
42#define PHYS_SDRAM_1 0x80000000
43#define PHYS_SDRAM_1_SIZE SZ_128M
44
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
54
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)
Jean-Christophe PLAGNIOL-VILLARDc8badbe2009-06-28 14:14:21 +020060#define CONFIG_NET_MULTI
David Brownell28b00322009-05-15 23:48:37 +020061
62/* I2C */
63#define CONFIG_HARD_I2C
64#define CONFIG_DRIVER_DAVINCI_I2C
65#define CONFIG_SYS_I2C_SPEED 400000
66#define CONFIG_SYS_I2C_SLAVE 0x10 /* SMBus host address */
67
68/* NAND: socketed, two chipselects, normally 2 GBytes */
69/* NYET -- #define CONFIG_NAND_DAVINCI */
70#define CONFIG_SYS_NAND_HW_ECC
71#define CONFIG_SYS_NAND_USE_FLASH_BBT
72
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
78
79/* USB: OTG connector */
80/* NYET -- #define CONFIG_USB_DAVINCI */
81
82/* U-Boot command configuration */
83#include <config_cmd_default.h>
84
85#undef CONFIG_CMD_BDI
86#undef CONFIG_CMD_FLASH
87#undef CONFIG_CMD_FPGA
88#undef CONFIG_CMD_SETGETDCR
89
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
95
96#ifdef CONFIG_NAND_DAVINCI
97#define CONFIG_CMD_MTDPARTS
98#define CONFIG_MTD_PARTITIONS
99#define CONFIG_CMD_NAND
100#define CONFIG_CMD_UBI
101#define CONFIG_RBTREE
102#endif
103
104/* TEMPORARY -- no safe place to save env, yet */
105#define CONFIG_ENV_IS_NOWHERE
106#undef CONFIG_CMD_SAVEENV
107
108#ifdef CONFIG_USB_DAVINCI
109#define CONFIG_MUSB_HCD
110#define CONFIG_CMD_USB
111#define CONFIG_USB_STORAGE
112#else
113#undef CONFIG_MUSB_HCD
114#undef CONFIG_CMD_USB
115#undef CONFIG_USB_STORAGE
116#endif
117
118#define CONFIG_CRC32_VERIFY
119#define CONFIG_MX_CYCLIC
120
121/* U-Boot general configuration */
122#undef CONFIG_USE_IRQ /* No IRQ/FIQ in U-Boot */
123#define CONFIG_BOOTFILE "uImage" /* Boot file name */
124#define CONFIG_SYS_PROMPT "DM355 EVM # " /* Monitor Command Prompt */
125#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
126#define CONFIG_SYS_PBSIZE /* Print buffer size */ \
127 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
128#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
129#define CONFIG_SYS_HUSH_PARSER
130#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
131#define CONFIG_SYS_LONGHELP
132
133#define CONFIG_ENV_SIZE SZ_16K
134
135/* NYET -- #define CONFIG_BOOTDELAY 5 */
136#define CONFIG_BOOTCOMMAND \
137 "dhcp;bootm"
138#define CONFIG_BOOTARGS \
139 "console=ttyS0,115200n8 " \
140 "root=/dev/mmcblk0p1 rootwait rootfstype=ext3 ro"
141
142#define CONFIG_CMDLINE_EDITING
143#define CONFIG_VERSION_VARIABLE
144#define CONFIG_TIMESTAMP
145
146#define CONFIG_NET_RETRY_COUNT 10
147
148/* U-Boot memory configuration */
149#define CONFIG_STACKSIZE SZ_256K /* regular stack */
150#define CONFIG_SYS_MALLOC_LEN SZ_512K /* malloc() arena */
151#define CONFIG_SYS_GBL_DATA_SIZE 128 /* for initial data */
152#define CONFIG_SYS_MEMTEST_START 0x87000000 /* physical address */
153#define CONFIG_SYS_MEMTEST_END 0x88000000 /* test 16MB RAM */
154
155/* Linux interfacing */
156#define CONFIG_CMDLINE_TAG
157#define CONFIG_SETUP_MEMORY_TAGS
158#define CONFIG_SYS_BARGSIZE 1024 /* bootarg Size */
159#define CONFIG_SYS_LOAD_ADDR 0x80700000 /* kernel address */
160
161
162/* NAND configuration ... socketed with two chipselects. It normally comes
163 * with a 2GByte SLC part with 2KB pages (and 128KB erase blocks); other
164 * 2GByte parts may have 4KB pages, 256KB erase blocks, and use MLC. (MLC
165 * pretty much demands the 4-bit ECC support.) You can of course swap in
166 * other parts, including small page ones.
167 *
168 * This presents a single read-only partition for all bootloader stuff.
169 * UBL (1+ block), U-Boot (256KB+), U-Boot environment (one block), and
170 * some extra space to help cope with bad blocks in that data. Linux
171 * shouldn't care about its detailed layout, and will probably want to use
172 * UBI/UBFS for the rest (except maybe on smallpage chips). It's easy to
173 * override this default partitioning using MTDPARTS and cmdlinepart.
174 */
175#define MTDIDS_DEFAULT "nand0=davinci_nand.0"
176
177#ifdef CONFIG_SYS_NAND_LARGEPAGE
178/* Use same layout for 128K/256K blocks; allow some bad blocks */
179#define PART_BOOT "2m(bootloader)ro,"
180#else
181/* Assume 16K erase blocks; allow a few bad ones. */
182#define PART_BOOT "512k(bootloader)ro,"
183#endif
184
185#define PART_KERNEL "4m(kernel)," /* kernel + initramfs */
186#define PART_REST "-(filesystem)"
187
188#define MTDPARTS_DEFAULT \
189 "mtdparts=davinci_nand.0:" PART_BOOT PART_KERNEL PART_REST
190
191#endif /* __CONFIG_H */