3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
4 * Marius Groeger <mgroeger@sysgo.de>
6 * Configuation settings for the EP7312 board.
8 * Modified to work on Armadillo HT1070 ARM720T board
9 * (C) Copyright 2005 Rowel Atienza rowel@diwalabs.com
11 * See file CREDITS for list of people who contributed to this
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of
17 * the License, or (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
34 * If we are developing, we might want to start armboot from ram
35 * so we MUST NOT initialize critical regs like mem-timing ...
37 /*#define CONFIG_INIT_CRITICAL*/ /* undef for developing */
40 * High Level Configuration Options
43 #define CONFIG_ARM7 1 /* This is a ARM7 CPU */
44 #define CONFIG_ARMADILLO 1 /* on an Armadillo Board */
45 #define CONFIG_ARM_THUMB 1 /* this is an ARM720TDMI */
46 #undef CONFIG_ARM7_REVD /* disable ARM720 REV.D Workarounds */
48 #undef CONFIG_USE_IRQ /* don't need them anymore */
51 * Size of malloc() pool
53 #define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
54 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
59 #define CONFIG_DRIVER_CS8900 1 /* we have a CS8900 on-board */
60 #define CS8900_BASE 0x20000300 /* armadillo board */
61 #define CS8900_BUS16 1
65 * select serial console configuration
67 #define CONFIG_SERIAL1 1 /* we use Serial line 1 */
69 /* allow to overwrite serial and ethaddr */
70 #define CONFIG_ENV_OVERWRITE
72 #define CONFIG_BAUDRATE 115200
74 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE)
76 #define CONFIG_COMMANDS (CONFIG_CMD_DFL) /* | CFG_CMD_JFFS2)*/
78 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
79 #include <cmd_confdefs.h>
81 #define CONFIG_BOOTDELAY 3
82 #define CONFIG_BOOTARGS "root=/dev/ram0 rootfstype=ext2 console=ttyAM0,115200"
84 #define CONFIG_BOOTCOMMAND "bootm 40000 180000"
87 * Miscellaneous configurable options
89 #define CFG_LONGHELP /* undef to save memory */
90 #define CFG_PROMPT "ARMADILLO # " /* Monitor Command Prompt */
91 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
92 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
93 #define CFG_MAXARGS 16 /* max number of command args */
94 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
96 #define CFG_MEMTEST_START 0xc0400000 /* memtest works on */
97 #define CFG_MEMTEST_END 0xc0800000 /* 4 ... 8 MB in DRAM */
99 #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
101 #define CFG_LOAD_ADDR 0x00040000 /* default load address for armadillo: kernel img is here*/
103 #define CFG_HZ 2000 /* decrementer freq: 2 kHz */
105 /* valid baudrates */
106 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
108 /*-----------------------------------------------------------------------
111 * The stack sizes are set up in start.S using the settings below
113 #define CONFIG_STACKSIZE (128*1024) /* regular stack */
114 #ifdef CONFIG_USE_IRQ
115 #define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
116 #define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
119 /*-----------------------------------------------------------------------
120 * Physical Memory Map
122 #define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */
123 #define PHYS_SDRAM_1 0xc0000000 /* SDRAM Bank #1 */
124 #define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB armadillo SDRAM */
126 #define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
127 #define PHYS_FLASH_SIZE 0x00400000 /* 4 MB */
129 #define CFG_FLASH_BASE PHYS_FLASH_1
131 /*-----------------------------------------------------------------------
132 * FLASH and environment organization
134 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
135 #define CFG_MAX_FLASH_SECT 512 /* max number of sectors on one chip */
137 /* timeout values are in ticks */
138 #define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */
139 #define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */
141 #define CFG_ENV_IS_IN_FLASH 1
142 #define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x20000) /* Addr of Environment Sector */
143 #define CFG_ENV_SIZE 0x20000 /* Total Size of Environment Sector */
145 #define CONFIG_CMDLINE_TAG
146 #define CONFIG_SETUP_MEMORY_TAGS
147 #define CONFIG_INITRD_TAG
149 #endif /* __CONFIG_H */