2 * AMIRIX.h: AMIRIX specific config options
4 * Author : Frank Smith (smith at amirix dot com)
6 * Derived from : other configuration header files in this tree
8 * This software may be used and distributed according to the terms of
9 * the GNU General Public License (GPL) version 2, incorporated herein by
10 * reference. Drivers based on or derived from this code fall under the GPL
11 * and must retain the authorship, copyright and this license notice. This
12 * file is not a complete program and may only be used when the entire
13 * program is licensed under the GPL.
21 * High Level Configuration Options
25 #define CONFIG_405 1 /* This is a PPC405 CPU */
26 #define CONFIG_4xx 1 /* ...member of PPC4xx family */
28 #define CONFIG_AP1000 1 /* ...on an AP1000 board */
31 * Start at bottom of RAM, but at an aliased address so that it looks
32 * like it's not in RAM. This is a bit of voodoo to allow it to be
33 * run from RAM instead of Flash.
35 #define CONFIG_SYS_TEXT_BASE 0x08000000
36 #define CONFIG_SYS_LDSCRIPT "board/amirix/ap1000/u-boot.lds"
40 #define CONFIG_SYS_HUSH_PARSER 1 /* use "hush" command parser */
41 #define CONFIG_SYS_PROMPT "0> "
42 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
44 #define CONFIG_COMMAND_EDIT 1
45 #define CONFIG_COMPLETE_ADDRESSES 1
47 #define CONFIG_ENV_IS_IN_FLASH 1
48 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
50 #ifdef CONFIG_ENV_IS_IN_NVRAM
51 #undef CONFIG_ENV_IS_IN_FLASH
53 #ifdef CONFIG_ENV_IS_IN_FLASH
54 #undef CONFIG_ENV_IS_IN_NVRAM
58 #define CONFIG_BAUDRATE 57600
59 #define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */
61 #define CONFIG_BOOTCOMMAND "" /* autoboot command */
63 #define CONFIG_BOOTARGS "console=ttyS0,57600"
65 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
66 #define CONFIG_SYS_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
72 #define CONFIG_BOOTP_BOOTFILESIZE
73 #define CONFIG_BOOTP_BOOTPATH
74 #define CONFIG_BOOTP_GATEWAY
75 #define CONFIG_BOOTP_HOSTNAME
78 * Command line configuration.
80 #include <config_cmd_default.h>
82 #define CONFIG_CMD_ASKENV
83 #define CONFIG_CMD_DHCP
84 #define CONFIG_CMD_ELF
85 #define CONFIG_CMD_IRQ
86 #define CONFIG_CMD_MVENV
87 #define CONFIG_CMD_PCI
88 #define CONFIG_CMD_PING
91 #undef CONFIG_WATCHDOG /* watchdog disabled */
93 #define CONFIG_SYS_CLK_FREQ 30000000
95 #define CONFIG_SPD_EEPROM 1 /* use SPD EEPROM for setup */
100 #define CONFIG_HARD_I2C /* I2C with hardware support */
101 #define CONFIG_PPC4XX_I2C /* use PPC4xx driver */
102 #define CONFIG_SYS_I2C_SLAVE 0x7F
103 #define CONFIG_SYS_I2C_SPEED 400000
106 * Miscellaneous configurable options
108 #define CONFIG_SYS_LONGHELP /* undef to save memory */
109 #if defined(CONFIG_CMD_KGDB)
110 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
112 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
114 /* usually: (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) */
115 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+4+16) /* Print Buffer Size */
116 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
117 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
119 #define CONFIG_SYS_ALT_MEMTEST 1
120 #define CONFIG_SYS_MEMTEST_START 0x00400000 /* memtest works on */
121 #define CONFIG_SYS_MEMTEST_END 0x01000000 /* 4 ... 16 MB in DRAM */
124 * If CONFIG_SYS_EXT_SERIAL_CLOCK, then the UART divisor is 1.
125 * If CONFIG_SYS_405_UART_ERRATA_59, then UART divisor is 31.
126 * Otherwise, UART divisor is determined by CPU Clock and CONFIG_SYS_BASE_BAUD value.
127 * The Linux BASE_BAUD define should match this configuration.
128 * baseBaud = cpuClock/(uartDivisor*16)
129 * If CONFIG_SYS_405_UART_ERRATA_59 and 200MHz CPU clock,
130 * set Linux BASE_BAUD to 403200.
132 #undef CONFIG_SYS_EXT_SERIAL_CLOCK /* external serial clock */
133 #undef CONFIG_SYS_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */
135 #define CONFIG_SYS_NS16550_CLK 40000000
136 #define CONFIG_SYS_DUART_CHAN 0
137 #define CONFIG_SYS_NS16550_COM1 (0x4C000000 + 0x1000)
138 #define CONFIG_SYS_NS16550_COM2 (0x4C800000 + 0x1000)
139 #define CONFIG_SYS_NS16550_REG_SIZE 4
140 #define CONFIG_SYS_NS16550 1
141 #define CONFIG_SYS_INIT_CHAN1 1
142 #define CONFIG_SYS_INIT_CHAN2 0
144 /* The following table includes the supported baudrates */
145 #define CONFIG_SYS_BAUDRATE_TABLE \
146 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
148 #define CONFIG_SYS_LOAD_ADDR 0x00200000 /* default load address */
149 #define CONFIG_SYS_EXTBDINFO 1 /* To use extended board_into (bd_t) */
151 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
153 /*-----------------------------------------------------------------------
154 * Start addresses for the final memory configuration
155 * (Set up by the startup code)
156 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
158 #define CONFIG_SYS_SDRAM_BASE 0x00000000
159 #define CONFIG_SYS_FLASH_BASE 0x20000000
160 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
161 #define CONFIG_SYS_MONITOR_LEN (192 * 1024) /* Reserve 196 kB for Monitor */
162 #define CONFIG_SYS_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
165 * For booting Linux, the board info and command line data
166 * have to be in the first 8 MB of memory, since this is
167 * the maximum mapped by the Linux kernel during initialization.
169 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
170 /*-----------------------------------------------------------------------
173 #define CONFIG_SYS_FLASH_CFI 1
174 #define CONFIG_SYS_PROGFLASH_BASE CONFIG_SYS_FLASH_BASE
175 #define CONFIG_SYS_CONFFLASH_BASE 0x24000000
177 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
178 #define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
180 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
181 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
183 #define CONFIG_SYS_FLASH_PROTECTION 1 /* use hardware protection */
185 /* BEG ENVIRONNEMENT FLASH */
186 #ifdef CONFIG_ENV_IS_IN_FLASH
187 #define CONFIG_ENV_OFFSET 0x00040000 /* Offset of Environment Sector */
188 #define CONFIG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */
189 #define CONFIG_ENV_SECT_SIZE 0x20000 /* see README - env sector total size */
191 /* END ENVIRONNEMENT FLASH */
192 /*-----------------------------------------------------------------------
195 #define CONFIG_SYS_NVRAM_BASE_ADDR 0xf0000000 /* NVRAM base address */
196 #define CONFIG_SYS_NVRAM_SIZE 0x1ff8 /* NVRAM size */
198 #ifdef CONFIG_ENV_IS_IN_NVRAM
199 #define CONFIG_ENV_SIZE 0x1000 /* Size of Environment vars */
200 #define CONFIG_ENV_ADDR \
201 (CONFIG_SYS_NVRAM_BASE_ADDR+CONFIG_SYS_NVRAM_SIZE-CONFIG_ENV_SIZE) /* Env */
205 * Init Memory Controller:
207 * BR0/1 and OR0/1 (FLASH)
210 #define FLASH_BASE0_PRELIM CONFIG_SYS_FLASH_BASE /* FLASH bank #0 */
211 #define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */
213 /* Configuration Port location */
214 #define CONFIG_PORT_ADDR 0xF0000500
216 /*-----------------------------------------------------------------------
217 * Definitions for initial stack pointer and data area (in DPRAM)
220 #define CONFIG_SYS_INIT_RAM_ADDR 0x400000 /* inside of SDRAM */
221 #define CONFIG_SYS_INIT_RAM_SIZE 0x2000 /* Size of used area in RAM */
222 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
223 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
225 /*-----------------------------------------------------------------------
226 * Definitions for Serial Presence Detect EEPROM address
227 * (to get SDRAM settings)
229 #define SPD_EEPROM_ADDRESS 0x50
231 #if defined(CONFIG_CMD_KGDB)
232 #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
233 #define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
238 #define CONFIG_SYS_JFFS2_FIRST_BANK 0
239 #define CONFIG_SYS_JFFS2_NUM_BANKS 1
240 #define CONFIG_SYS_JFFS2_FIRST_SECTOR 1
244 #define CONFIG_SYS_ETH_DEV_FN 0x0800
245 #define CONFIG_SYS_ETH_IOBASE 0x31000000
246 #define CONFIG_SYS_ETH_MEMBASE 0x32000000
248 #endif /* __CONFIG_H */