2 * (C) Copyright 2003 Picture Elements, Inc.
3 * Stephen Williams <steve@icarus.com>
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * board/config.h - configuration options, board specific
32 * High Level Configuration Options for the JSE board
33 * (Theoretically easy to change, but the board is fixed.)
37 /* JSE has a PPC405GPr */
38 #define CONFIG_405GP 1
39 /* ... which is a 4xxx series */
41 /* ... with a 33MHz OSC. connected to the SysCLK input */
42 #define CONFIG_SYS_CLK_FREQ 33333333
43 /* ... with on-chip memory here (4KBytes) */
44 #define CFG_OCM_DATA_ADDR 0xF4000000
45 #define CFG_OCM_DATA_SIZE 0x00001000
46 /* Do not set up locked dcache as init ram. */
47 #undef CFG_INIT_DCACHE_CS
49 /* Map the SystemACE chip (CS#1) here. (Must be a multiple of 1Meg) */
50 #define CONFIG_SYSTEMACE 1
51 #define CFG_SYSTEMACE_BASE 0xf0000000
52 #define CONFIG_DOS_PARTITION 1
54 /* Use the On-Chip-Memory (OCM) as a temporary stack for the startup code. */
55 #define CFG_TEMP_STACK_OCM 1
56 /* ... place INIT RAM in the OCM address */
57 # define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR
58 /* ... give it the whole init ram */
59 # define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE
60 /* ... Shave a bit off the end for global data */
61 # define CFG_GBL_DATA_SIZE 128
62 # define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
63 /* ... and place the stack pointer at the top of what's left. */
64 # define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
66 /* Enable board_pre_init function */
67 #define CONFIG_BOARD_PRE_INIT 1
68 #define CONFIG_BOARD_EARLY_INIT_F 1
69 /* Disable post-clk setup init function */
70 #undef CONFIG_BOARD_POSTCLK_INIT
71 /* Disable call to post_init_f: late init function. */
73 /* Enable DRAM test. */
74 #define CFG_DRAM_TEST 1
75 /* Enable misc_init_r function. */
76 #define CONFIG_MISC_INIT_R 1
78 /* JSE has EEPROM chips that are good for environment. */
79 #undef CFG_ENV_IS_IN_NVRAM
80 #undef CFG_ENV_IS_IN_FLASH
81 #define CFG_ENV_IS_IN_EEPROM 1
82 #undef CFG_ENV_IS_NOWHERE
84 /* This is the 7bit address of the device, not including P. */
85 #define CFG_I2C_EEPROM_ADDR 0x50
86 /* After the device address, need one more address byte. */
87 #define CFG_I2C_EEPROM_ADDR_LEN 1
88 /* The EEPROM is 512 bytes. */
89 #define CFG_EEPROM_SIZE 512
90 /* The EEPROM can do 16byte ( 1 << 4 ) page writes. */
91 #define CFG_EEPROM_PAGE_WRITE_BITS 4
92 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10
93 /* Put the environment in the second half. */
94 #define CFG_ENV_OFFSET 0x00
95 #define CFG_ENV_SIZE 512
98 /* The JSE connects UART1 to the console tap connector. */
99 #define CONFIG_UART1_CONSOLE 1
100 /* Set console baudrate to 9600 */
101 #define CONFIG_BAUDRATE 9600
103 /* Size (bytes) of interrupt driven serial port buffer.
104 * Set to 0 to use polling instead of interrupts.
105 * Setting to 0 will also disable RTS/CTS handshaking.
107 #undef CONFIG_SERIAL_SOFTWARE_FIFO
110 * Configuration related to auto-boot.
112 * CONFIG_BOOTDELAY sets the delay (in seconds) that U-Boot will wait
113 * before resorting to autoboot. This value can be overridden by the
114 * bootdelay environment variable.
116 * CONFIG_AUTOBOOT_PROMPT is the string that U-Boot emits to warn the
117 * user that an autoboot will happen.
119 * CONFIG_BOOTCOMMAND is the sequence of commands that U-Boot will
120 * execute to boot the JSE. This loads the uimage and initrd.img files
121 * from CompactFlash into memory, then boots them from memory.
123 * CONFIG_BOOTARGS is the arguments passed to the Linux kernel to get
124 * it going on the JSE.
126 #define CONFIG_BOOTDELAY 5
127 #define CONFIG_BOOTARGS "root=/dev/ram0 init=/linuxrc rw"
128 #define CONFIG_BOOTCOMMAND "fatload ace 0 2000000 uimage; fatload ace 0 2100000 initrd.img; bootm 2000000 2100000"
131 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
132 #define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
134 #define CONFIG_MII 1 /* MII PHY management */
135 #define CONFIG_PHY_ADDR 1 /* PHY address */
137 #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
149 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
150 #include <cmd_confdefs.h>
152 /* watchdog disabled */
153 #undef CONFIG_WATCHDOG
154 /* SPD EEPROM (sdram speed config) disabled */
155 #undef CONFIG_SPD_EEPROM
156 #undef SPD_EEPROM_ADDRESS
159 * Miscellaneous configurable options
161 #define CFG_LONGHELP /* undef to save memory */
162 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
164 #define CFG_HUSH_PARSER /* use "hush" command parser */
165 #ifdef CFG_HUSH_PARSER
166 #define CFG_PROMPT_HUSH_PS2 "> "
169 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
170 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
172 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
174 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
175 #define CFG_MAXARGS 16 /* max number of command args */
176 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
178 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
179 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
182 * If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1.
183 * If CFG_405_UART_ERRATA_59, then UART divisor is 31.
184 * Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value.
185 * The Linux BASE_BAUD define should match this configuration.
186 * baseBaud = cpuClock/(uartDivisor*16)
187 * If CFG_405_UART_ERRATA_59 and 200MHz CPU clock,
188 * set Linux BASE_BAUD to 403200.
190 #undef CFG_EXT_SERIAL_CLOCK /* external serial clock */
191 #undef CFG_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */
192 #define CFG_BASE_BAUD 691200
194 /* The following table includes the supported baudrates */
195 #define CFG_BAUDRATE_TABLE \
196 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
198 #define CFG_LOAD_ADDR 0x100000 /* default load address */
199 #define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
201 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
203 #define CONFIG_HARD_I2C 1 /* I2C with hardware support */
204 #undef CONFIG_SOFT_I2C /* I2C bit-banged */
205 #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
206 #define CFG_I2C_SLAVE 0x7F
209 /*-----------------------------------------------------------------------
211 *-----------------------------------------------------------------------
213 #define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */
214 #define PCI_HOST_FORCE 1 /* configure as pci host */
215 #define PCI_HOST_AUTO 2 /* detected via arbiter enable */
217 #define CONFIG_PCI /* include pci support */
218 #define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */
219 #undef CONFIG_PCI_PNP /* do pci plug-and-play */
220 /* resource configuration */
222 #define CFG_PCI_SUBSYS_VENDORID 0x0000 /* PCI Vendor ID: to-do!!! */
223 #define CFG_PCI_SUBSYS_DEVICEID 0x0000 /* PCI Device ID: to-do!!! */
224 #define CFG_PCI_PTM1LA 0x00000000 /* point to sdram */
225 #define CFG_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
226 #define CFG_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
227 #define CFG_PCI_PTM2LA 0x00000000 /* disabled */
228 #define CFG_PCI_PTM2MS 0x00000000 /* disabled */
229 #define CFG_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */
231 /*-----------------------------------------------------------------------
232 * External peripheral base address
233 *-----------------------------------------------------------------------
235 #undef CONFIG_IDE_LED /* no led for ide supported */
236 #undef CONFIG_IDE_RESET /* no reset for ide supported */
238 #define CFG_KEY_REG_BASE_ADDR 0xF0100000
239 #define CFG_IR_REG_BASE_ADDR 0xF0200000
240 #define CFG_FPGA_REG_BASE_ADDR 0xF0300000
242 /*-----------------------------------------------------------------------
243 * Start addresses for the final memory configuration
244 * (Set up by the startup code)
245 * Please note that CFG_SDRAM_BASE _must_ start at 0
247 #define CFG_SDRAM_BASE 0x00000000
248 #define CFG_FLASH_BASE 0xFFF80000
249 #define CFG_MONITOR_BASE CFG_FLASH_BASE
250 #define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Monitor */
251 #define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
254 * For booting Linux, the board info and command line data
255 * have to be in the first 8 MB of memory, since this is
256 * the maximum mapped by the Linux kernel during initialization.
258 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
260 /*-----------------------------------------------------------------------
263 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
264 #define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
266 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
267 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
269 /*-----------------------------------------------------------------------
270 * Cache Configuration
272 #define CFG_DCACHE_SIZE 16384 /* For IBM 405GPr CPUs */
273 #define CFG_CACHELINE_SIZE 32 /* ... */
274 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
275 #define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
279 * Init Memory Controller:
281 * BR0/1 and OR0/1 (FLASH)
284 #define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */
285 #define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */
288 /* Configuration Port location */
289 #define CONFIG_PORT_ADDR 0xF0000500
293 * Internal Definitions
297 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
298 #define BOOTFLAG_WARM 0x02 /* Software reboot */
300 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
301 #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
302 #define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
304 #endif /* __CONFIG_H */