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_SYS_TEXT_BASE 0xfe000000
51 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
52 #undef CONFIG_8xx_CONS_SMC2
53 #undef CONFIG_8xx_CONS_NONE
54 #define CONFIG_BAUDRATE 9600
55 /* Define this to use the PCI bus */
58 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
59 #define CONFIG_8xx_GCLK_FREQ (50000000UL)
61 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
63 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
65 #define CONFIG_BOOTCOMMAND "bootm 20000" /* autoboot command */
67 #define CONFIG_BOOTARGS "root=/dev/nfs rw " \
68 "nfsroot=10.0.0.2:/opt/eldk/ppc_8xx " \
69 "nfsaddrs=10.0.0.99:10.0.0.2"
71 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
72 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
74 #undef CONFIG_WATCHDOG /* watchdog disabled */
80 #define CONFIG_BOOTP_BOOTFILESIZE
81 #define CONFIG_BOOTP_BOOTPATH
82 #define CONFIG_BOOTP_GATEWAY
83 #define CONFIG_BOOTP_HOSTNAME
87 * Command line configuration.
89 #define CONFIG_CMD_NET
90 #define CONFIG_CMD_DFL
91 #define CONFIG_CMD_SDRAM
92 #define CONFIG_CMD_PCMCIA
93 #define CONFIG_CMD_IDE
96 #define CONFIG_DOS_PARTITION
99 * Miscellaneous configurable options
101 #define CONFIG_SYS_LONGHELP /* undef to save memory */
102 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
103 #undef CONFIG_SYS_HUSH_PARSER /* Hush parse for U-Boot */
104 #ifdef CONFIG_SYS_HUSH_PARSER
105 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
107 #if defined(CONFIG_CMD_KGDB)
108 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
110 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
112 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
113 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
114 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
116 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
117 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
119 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
121 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
123 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
126 * Low Level Configuration Settings
127 * (address mappings, register initial values, etc.)
128 * You should know what you are doing if you make changes here.
131 /*-----------------------------------------------------------------------
132 * Physical memory map as defined by the MBX PGM
134 #define CONFIG_SYS_IMMR 0xFA200000 /* Internal Memory Mapped Register*/
135 #define CONFIG_SYS_NVRAM_BASE 0xFA000000 /* NVRAM */
136 #define CONFIG_SYS_NVRAM_OR 0xffe00000 /* w/o speed dependent flags!! */
137 #define CONFIG_SYS_CSR_BASE 0xFA100000 /* Control/Status Registers */
138 #define CONFIG_SYS_PCIMEM_BASE 0x80000000 /* PCI I/O and Memory Spaces */
139 #define CONFIG_SYS_PCIMEM_OR 0xA0000108
140 #define CONFIG_SYS_PCIBRIDGE_BASE 0xFA210000 /* PCI-Bus Bridge Registers */
141 #define CONFIG_SYS_PCIBRIDGE_OR 0xFFFF0108
143 /*-----------------------------------------------------------------------
144 * Definitions for initial stack pointer and data area (in DPRAM)
146 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
147 #define CONFIG_SYS_INIT_RAM_SIZE 0x2f00 /* Size of used area in DPRAM */
148 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
149 #define CONFIG_SYS_INIT_VPD_SIZE 256 /* size in bytes reserved for vpd buffer */
150 #define CONFIG_SYS_INIT_VPD_OFFSET (CONFIG_SYS_GBL_DATA_OFFSET - CONFIG_SYS_INIT_VPD_SIZE)
151 #define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_INIT_VPD_OFFSET-8)
153 /*-----------------------------------------------------------------------
154 * Offset in DPMEM where we keep the VPD data
156 #define CONFIG_SYS_DPRAMVPD (CONFIG_SYS_INIT_VPD_OFFSET - 0x2000)
158 /*-----------------------------------------------------------------------
159 * Start addresses for the final memory configuration
160 * (Set up by the startup code)
161 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
163 #define CONFIG_SYS_SDRAM_BASE 0x00000000
164 #define CONFIG_SYS_FLASH_BASE 0xfe000000
166 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
168 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
170 #undef CONFIG_SYS_MONITOR_BASE /* 0x200000 to run U-Boot from RAM */
171 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
172 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
175 * For booting Linux, the board info and command line data
176 * have to be in the first 8 MB of memory, since this is
177 * the maximum mapped by the Linux kernel during initialization.
179 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
181 /*-----------------------------------------------------------------------
184 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
185 #define CONFIG_SYS_MAX_FLASH_SECT 16 /* max number of sectors on one chip */
187 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
188 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
190 /*-----------------------------------------------------------------------
191 * NVRAM Configuration
193 * Note: the MBX is special because there is already a firmware on this
194 * board: EPPC-Bug from Motorola. To avoid collisions in NVRAM Usage, we
195 * access the NVRAM at the offset 0x1000.
197 #define CONFIG_ENV_IS_IN_NVRAM 1 /* turn on NVRAM env feature */
198 #define CONFIG_ENV_ADDR (CONFIG_SYS_NVRAM_BASE + 0x1000)
199 #define CONFIG_ENV_SIZE 0x1000
201 /*-----------------------------------------------------------------------
202 * Cache Configuration
204 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
205 #if defined(CONFIG_CMD_KGDB)
206 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
209 /*-----------------------------------------------------------------------
210 * SYPCR - System Protection Control 11-9
211 * SYPCR can only be written once after reset!
212 *-----------------------------------------------------------------------
213 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
215 #if defined(CONFIG_WATCHDOG)
216 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
217 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
219 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF)
222 /*-----------------------------------------------------------------------
223 * SIUMCR - SIU Module Configuration 11-6
224 *-----------------------------------------------------------------------
225 * PCMCIA config., multi-function pin tri-state
227 /* #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DPC | SIUMCR_MLRC10 | SIUMCR_SEME) */
228 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DPC | SIUMCR_MLRC11 | SIUMCR_SEME | SIUMCR_BSC )
230 /*-----------------------------------------------------------------------
231 * TBSCR - Time Base Status and Control 11-26
232 *-----------------------------------------------------------------------
233 * Clear Reference Interrupt Status, Timebase freezing enabled
235 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
237 /*-----------------------------------------------------------------------
238 * PISCR - Periodic Interrupt Status and Control 11-31
239 *-----------------------------------------------------------------------
240 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
242 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF | PISCR_PTE)
244 /*-----------------------------------------------------------------------
245 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
246 *-----------------------------------------------------------------------
247 * Reset PLL lock status sticky bit, timer expired status bit and timer
248 * interrupt status bit - leave PLL multiplication factor unchanged !
250 #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
252 /*-----------------------------------------------------------------------
253 * SCCR - System Clock and reset Control Register 15-27
254 *-----------------------------------------------------------------------
255 * Set clock output, timebase and RTC source and divider,
256 * power management and some other internal clocks
258 #define SCCR_MASK (SCCR_RTDIV | SCCR_RTSEL)
259 #define CONFIG_SYS_SCCR SCCR_TBS
261 /*-----------------------------------------------------------------------
263 *-----------------------------------------------------------------------
266 #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
267 #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
268 #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
269 #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
270 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
271 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
272 #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
273 #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
275 #define CONFIG_SYS_PCMCIA_INTERRUPT SIU_LEVEL6
277 #define CONFIG_PCMCIA_SLOT_A 1
280 /*-----------------------------------------------------------------------
281 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
282 *-----------------------------------------------------------------------
285 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
287 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
288 #undef CONFIG_IDE_LED /* LED for ide not supported */
289 #undef CONFIG_IDE_RESET /* reset for ide not supported */
291 #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
292 #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
294 #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
296 #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
298 /* Offset for data I/O */
299 #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
301 /* Offset for normal register accesses */
302 #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
304 /* Offset for alternate registers */
305 #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
307 /*-----------------------------------------------------------------------
309 *-----------------------------------------------------------------------
312 #define CONFIG_SYS_DER 0
314 #endif /* __CONFIG_H */