3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
4 * Marius Groeger <mgroeger@sysgo.de>
6 * Configuation settings for the MBX8xx board.
8 * -----------------------------------------------------------------
9 * See file CREDITS for list of people who contributed to this
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
29 * Added PCMCIA defines mostly taken from other U-Boot boards that
30 * have PCMCIA already working. If you find any bugs, incorrect assumptions
31 * feel free to fix them yourself and submit a patch.
32 * Rod Boyce <rod_boyce@stratexnet.com.
35 * board/config.h - configuration options, board specific
42 * High Level Configuration Options
46 #define CONFIG_MPC860 1 /* This is a MPC860 CPU */
47 #define CONFIG_MBX 1 /* ...on an MBX module */
49 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
50 #undef CONFIG_8xx_CONS_SMC2
51 #undef CONFIG_8xx_CONS_NONE
52 #define CONFIG_BAUDRATE 9600
53 /* Define this to use the PCI bus */
56 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
57 #define CONFIG_8xx_GCLK_FREQ (50000000UL)
59 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
61 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
63 #define CONFIG_BOOTCOMMAND "bootm 20000" /* autoboot command */
65 #define CONFIG_BOOTARGS "root=/dev/nfs rw " \
66 "nfsroot=10.0.0.2:/opt/eldk/ppc_8xx " \
67 "nfsaddrs=10.0.0.99:10.0.0.2"
69 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
70 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
72 #undef CONFIG_WATCHDOG /* watchdog disabled */
78 #define CONFIG_BOOTP_BOOTFILESIZE
79 #define CONFIG_BOOTP_BOOTPATH
80 #define CONFIG_BOOTP_GATEWAY
81 #define CONFIG_BOOTP_HOSTNAME
85 * Command line configuration.
87 #define CONFIG_CMD_NET
88 #define CONFIG_CMD_DFL
89 #define CONFIG_CMD_SDRAM
90 #define CONFIG_CMD_PCMCIA
91 #define CONFIG_CMD_IDE
94 #define CONFIG_DOS_PARTITION
97 * Miscellaneous configurable options
99 #define CONFIG_SYS_LONGHELP /* undef to save memory */
100 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
101 #undef CONFIG_SYS_HUSH_PARSER /* Hush parse for U-Boot */
102 #ifdef CONFIG_SYS_HUSH_PARSER
103 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
105 #if defined(CONFIG_CMD_KGDB)
106 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
108 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
110 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
111 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
112 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
114 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
115 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
117 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
119 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
121 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
124 * Low Level Configuration Settings
125 * (address mappings, register initial values, etc.)
126 * You should know what you are doing if you make changes here.
129 /*-----------------------------------------------------------------------
130 * Physical memory map as defined by the MBX PGM
132 #define CONFIG_SYS_IMMR 0xFA200000 /* Internal Memory Mapped Register*/
133 #define CONFIG_SYS_NVRAM_BASE 0xFA000000 /* NVRAM */
134 #define CONFIG_SYS_NVRAM_OR 0xffe00000 /* w/o speed dependent flags!! */
135 #define CONFIG_SYS_CSR_BASE 0xFA100000 /* Control/Status Registers */
136 #define CONFIG_SYS_PCIMEM_BASE 0x80000000 /* PCI I/O and Memory Spaces */
137 #define CONFIG_SYS_PCIMEM_OR 0xA0000108
138 #define CONFIG_SYS_PCIBRIDGE_BASE 0xFA210000 /* PCI-Bus Bridge Registers */
139 #define CONFIG_SYS_PCIBRIDGE_OR 0xFFFF0108
141 /*-----------------------------------------------------------------------
142 * Definitions for initial stack pointer and data area (in DPRAM)
144 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
145 #define CONFIG_SYS_INIT_RAM_END 0x2f00 /* End of used area in DPRAM */
146 #define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
147 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
148 #define CONFIG_SYS_INIT_VPD_SIZE 256 /* size in bytes reserved for vpd buffer */
149 #define CONFIG_SYS_INIT_VPD_OFFSET (CONFIG_SYS_GBL_DATA_OFFSET - CONFIG_SYS_INIT_VPD_SIZE)
150 #define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_INIT_VPD_OFFSET-8)
152 /*-----------------------------------------------------------------------
153 * Offset in DPMEM where we keep the VPD data
155 #define CONFIG_SYS_DPRAMVPD (CONFIG_SYS_INIT_VPD_OFFSET - 0x2000)
157 /*-----------------------------------------------------------------------
158 * Start addresses for the final memory configuration
159 * (Set up by the startup code)
160 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
162 #define CONFIG_SYS_SDRAM_BASE 0x00000000
163 #define CONFIG_SYS_FLASH_BASE 0xfe000000
165 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
167 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
169 #undef CONFIG_SYS_MONITOR_BASE /* 0x200000 to run U-Boot from RAM */
170 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
171 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
174 * For booting Linux, the board info and command line data
175 * have to be in the first 8 MB of memory, since this is
176 * the maximum mapped by the Linux kernel during initialization.
178 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
180 /*-----------------------------------------------------------------------
183 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
184 #define CONFIG_SYS_MAX_FLASH_SECT 16 /* max number of sectors on one chip */
186 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
187 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
189 /*-----------------------------------------------------------------------
190 * NVRAM Configuration
192 * Note: the MBX is special because there is already a firmware on this
193 * board: EPPC-Bug from Motorola. To avoid collisions in NVRAM Usage, we
194 * access the NVRAM at the offset 0x1000.
196 #define CONFIG_ENV_IS_IN_NVRAM 1 /* turn on NVRAM env feature */
197 #define CONFIG_ENV_ADDR (CONFIG_SYS_NVRAM_BASE + 0x1000)
198 #define CONFIG_ENV_SIZE 0x1000
200 /*-----------------------------------------------------------------------
201 * Cache Configuration
203 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
204 #if defined(CONFIG_CMD_KGDB)
205 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
208 /*-----------------------------------------------------------------------
209 * SYPCR - System Protection Control 11-9
210 * SYPCR can only be written once after reset!
211 *-----------------------------------------------------------------------
212 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
214 #if defined(CONFIG_WATCHDOG)
215 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
216 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
218 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF)
221 /*-----------------------------------------------------------------------
222 * SIUMCR - SIU Module Configuration 11-6
223 *-----------------------------------------------------------------------
224 * PCMCIA config., multi-function pin tri-state
226 /* #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DPC | SIUMCR_MLRC10 | SIUMCR_SEME) */
227 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DPC | SIUMCR_MLRC11 | SIUMCR_SEME | SIUMCR_BSC )
229 /*-----------------------------------------------------------------------
230 * TBSCR - Time Base Status and Control 11-26
231 *-----------------------------------------------------------------------
232 * Clear Reference Interrupt Status, Timebase freezing enabled
234 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
236 /*-----------------------------------------------------------------------
237 * PISCR - Periodic Interrupt Status and Control 11-31
238 *-----------------------------------------------------------------------
239 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
241 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF | PISCR_PTE)
243 /*-----------------------------------------------------------------------
244 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
245 *-----------------------------------------------------------------------
246 * Reset PLL lock status sticky bit, timer expired status bit and timer
247 * interrupt status bit - leave PLL multiplication factor unchanged !
249 #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
251 /*-----------------------------------------------------------------------
252 * SCCR - System Clock and reset Control Register 15-27
253 *-----------------------------------------------------------------------
254 * Set clock output, timebase and RTC source and divider,
255 * power management and some other internal clocks
257 #define SCCR_MASK (SCCR_RTDIV | SCCR_RTSEL)
258 #define CONFIG_SYS_SCCR SCCR_TBS
260 /*-----------------------------------------------------------------------
262 *-----------------------------------------------------------------------
265 #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
266 #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
267 #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
268 #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
269 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
270 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
271 #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
272 #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
274 #define CONFIG_SYS_PCMCIA_INTERRUPT SIU_LEVEL6
276 #define CONFIG_PCMCIA_SLOT_A 1
279 /*-----------------------------------------------------------------------
280 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
281 *-----------------------------------------------------------------------
284 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
286 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
287 #undef CONFIG_IDE_LED /* LED for ide not supported */
288 #undef CONFIG_IDE_RESET /* reset for ide not supported */
290 #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
291 #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
293 #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
295 #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
297 /* Offset for data I/O */
298 #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
300 /* Offset for normal register accesses */
301 #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
303 /* Offset for alternate registers */
304 #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
306 /*-----------------------------------------------------------------------
308 *-----------------------------------------------------------------------
311 #define CONFIG_SYS_DER 0
314 * Internal Definitions
318 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
319 #define BOOTFLAG_WARM 0x02 /* Software reboot */
321 #endif /* __CONFIG_H */