2 * (C) Copyright 2001-2005
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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
36 #define CONFIG_MPC860 1
37 #define CONFIG_AMX860 1
39 #define CONFIG_SYS_TEXT_BASE 0x40000000
41 #undef CONFIG_8xx_CONS_SMC1 /* Console is on SCC2 */
42 #undef CONFIG_8xx_CONS_SMC2
43 #define CONFIG_8xx_CONS_SCC2 1
44 #undef CONFIG_8xx_CONS_NONE
45 #define CONFIG_BAUDRATE 9600
46 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
48 #define MPC8XX_FACT 10 /* Multiply by 10 */
49 #define MPC8XX_XIN 5000000 /* 5 MHz in */
50 #define MPC8XX_HZ ((MPC8XX_XIN) * (MPC8XX_FACT))
53 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
55 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
58 #define CONFIG_BOOTCOMMAND \
60 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
61 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off;" \
62 "bootm" /* autoboot command */
64 #undef CONFIG_BOOTARGS
66 #undef CONFIG_WATCHDOG /* watchdog disabled */
68 #define CONFIG_SCC1_ENET 1 /* use SCC1 ethernet */
70 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
74 * Command line configuration.
76 #include <config_cmd_default.h>
78 #define CONFIG_CMD_DHCP
79 #define CONFIG_CMD_DATE
80 #define CONFIG_CMD_NFS
81 #define CONFIG_CMD_SNTP
84 #if defined(CONFIG_CMD_KGDB)
85 #undef CONFIG_KGDB_ON_SMC /* define if kgdb on SMC */
86 #define CONFIG_KGDB_ON_SCC /* define if kgdb on SCC */
87 #undef CONFIG_KGDB_NONE /* define if kgdb on something else */
88 #define CONFIG_KGDB_INDEX 1 /* which serial channel for kgdb */
89 #define CONFIG_KGDB_BAUDRATE 9600 /* speed to run kgdb serial port at */
96 #define CONFIG_BOOTP_BOOTFILESIZE
97 #define CONFIG_BOOTP_BOOTPATH
98 #define CONFIG_BOOTP_GATEWAY
99 #define CONFIG_BOOTP_HOSTNAME
100 #define CONFIG_BOOTP_SUBNETMASK
104 * Miscellaneous configurable options
106 #define CONFIG_SYS_LONGHELP /* undef to save memory */
107 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
108 #if defined(CONFIG_CMD_KGDB)
109 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
111 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
113 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
114 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
115 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
117 #define CONFIG_SYS_MEMTEST_START 0x0100000 /* memtest works on */
118 #define CONFIG_SYS_MEMTEST_END 0x0200000 /* 1 ... 4 MB in DRAM */
120 #define CONFIG_SYS_LOAD_ADDR 0x00100000
122 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
124 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
127 * Low Level Configuration Settings
128 * (address mappings, register initial values, etc.)
129 * You should know what you are doing if you make changes here.
132 /*-----------------------------------------------------------------------
133 * Internal Memory Mapped Register
135 #define CONFIG_SYS_IMMR 0xFF000000
137 /*-----------------------------------------------------------------------
138 * Definitions for initial stack pointer and data area (in DPRAM)
140 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
141 #define CONFIG_SYS_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
142 #define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
143 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
144 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
146 /*-----------------------------------------------------------------------
147 * Start addresses for the final memory configuration
148 * (Set up by the startup code)
149 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
151 #define CONFIG_SYS_SDRAM_BASE 0x00000000
152 #define CONFIG_SYS_FLASH_BASE 0x40000000
154 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
156 #define CONFIG_SYS_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
158 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
159 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
162 * U-Boot for AMX board supports two types of memory extension
163 * modules: one that provides 4 MB flash memory, and another one with
166 * The flash module swaps the CS0 and CS1 signals: if the module is
167 * installed, CS0 is connected to Flash on the module and CS1 is
168 * connected to the on-board Flash. This means that you must intall
169 * U-Boot when the Flash module is plugged in, if you plan to use
172 * To enable support for the DRAM extension card, CONFIG_AMX_RAM_EXT
173 * must be defined. The DRAM module uses CS1.
175 * Only one of these modules may be installed at a time. If U-Boot
176 * is compiled with the CONFIG_AMX_RAM_EXT option set, it will not
177 * work if the Flash extension module is installed instead of the
180 #define CONFIG_AMX_RAM_EXT /* 16Mb Ext. DRAM module support */
183 * For booting Linux, the board info and command line data
184 * have to be in the first 8 MB of memory, since this is
185 * the maximum mapped by the Linux kernel during initialization.
187 * Use 4 MB for without and 8 MB with 16 MB DRAM extension module
188 * (CONFIG_AMX_RAM_EXT)
190 #ifdef CONFIG_AMX_RAM_EXT
191 # define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
193 # define CONFIG_SYS_BOOTMAPSZ (4 << 20) /* Initial Memory map for Linux */
195 /*-----------------------------------------------------------------------
198 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
199 #define CONFIG_SYS_MAX_FLASH_SECT 35 /* max number of sectors on one chip */
201 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
202 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
204 #define CONFIG_ENV_IS_IN_FLASH 1
205 #define CONFIG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
206 #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
208 /*-----------------------------------------------------------------------
209 * Cache Configuration
211 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
212 #if defined(CONFIG_CMD_KGDB)
213 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
216 /*-----------------------------------------------------------------------
217 * SYPCR - System Protection Control 11-9
218 * SYPCR can only be written once after reset!
219 *-----------------------------------------------------------------------
220 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
222 #if defined(CONFIG_WATCHDOG)
223 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
224 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
226 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
229 /*-----------------------------------------------------------------------
230 * SIUMCR - SIU Module Configuration 11-6
231 *-----------------------------------------------------------------------
232 * PCMCIA config., multi-function pin tri-state
234 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
236 /*-----------------------------------------------------------------------
237 * TBSCR - Time Base Status and Control 11-26
238 *-----------------------------------------------------------------------
239 * Clear Reference Interrupt Status, Timebase freezing enabled
241 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
243 /*-----------------------------------------------------------------------
244 * PISCR - Periodic Interrupt Status and Control 11-31
245 *-----------------------------------------------------------------------
246 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
248 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
250 /*-----------------------------------------------------------------------
251 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
252 *-----------------------------------------------------------------------
253 * set the PLL, the low-power modes and the reset control (15-29)
255 #define CONFIG_SYS_PLPRCR (((MPC8XX_FACT-1) << PLPRCR_MF_SHIFT) | \
256 PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
258 /*-----------------------------------------------------------------------
259 * SCCR - System Clock and reset Control Register 15-27
260 *-----------------------------------------------------------------------
261 * Set clock output, timebase and RTC source and divider,
262 * power management and some other internal clocks
264 #define SCCR_MASK SCCR_EBDF11
265 #define CONFIG_SYS_SCCR (SCCR_TBS|SCCR_COM00|SCCR_DFSYNC00|SCCR_DFBRG00|SCCR_DFNL000|SCCR_DFNH000|SCCR_DFLCD000|SCCR_DFALCD00)
267 #define CONFIG_SYS_DER 0
270 * Init Memory Controller:
272 * BR0/1 and OR0/1 (FLASH)
275 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
276 #ifndef CONFIG_AMX_RAM_EXT
277 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #1 */
280 #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
281 #define CONFIG_SYS_PRELIM_OR_AM 0xFFC00000 /* OR addr mask */
283 /* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 0 */
284 /* 0x00000800 0x00000400 0x00000100 0x00000030 0x00000004 */
285 #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_5_CLK | OR_TRLX)
287 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
289 #define CONFIG_SYS_OR0_PRELIM 0xFFC00954 /* Real values for the board */
290 #define CONFIG_SYS_BR0_PRELIM 0x40000001 /* Real values for the board */
292 #ifndef CONFIG_AMX_RAM_EXT
293 #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
294 #define CONFIG_SYS_OR1_PRELIM 0xFFC00954 /* Real values for the board */
295 #define CONFIG_SYS_BR1_PRELIM 0x60000001 /* Real values for the board */
298 /* DSP ("Glue") Xilinx */
299 #define CONFIG_SYS_OR6_PRELIM 0xFFFF8000 /* 32kB, 15 waits, cs after addr, no bursts */
300 #define CONFIG_SYS_BR6_PRELIM 0x60000401 /* use GPCM for CS generation, 8 bit port */
302 #endif /* __CONFIG_H */