3 * Murray Jensen <Murray.Jensen@cmst.csiro.au>
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 * Config header file for Cogent platform using an MPC8xx CPU module
32 * High Level Configuration Options
36 #define CONFIG_MPC8260 1 /* This is an MPC8260 CPU */
37 #define CONFIG_COGENT 1 /* using Cogent Modular Architecture */
38 #define CONFIG_CPM2 1 /* Has a CPM2 */
40 #define CONFIG_SYS_TEXT_BASE 0xfff00000
42 #define CONFIG_MISC_INIT_F 1 /* Use misc_init_f() */
43 #define CONFIG_MISC_INIT_R /* Use misc_init_r() */
45 /* Cogent Modular Architecture options */
46 #define CONFIG_CMA282 1 /* ...on a CMA282 CPU module */
47 #define CONFIG_CMA111 1 /* ...on a CMA111 motherboard */
50 * select serial console configuration
52 * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
53 * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
56 * if CONFIG_CONS_NONE is defined, then the serial console routines must
57 * defined elsewhere (for example, on the cogent platform, there are serial
58 * ports on the motherboard which are used for the serial console - see
59 * cogent/cma101/serial.[ch]).
61 #define CONFIG_CONS_ON_SMC /* define if console on SMC */
62 #undef CONFIG_CONS_ON_SCC /* define if console on SCC */
63 #undef CONFIG_CONS_NONE /* define if console on something else*/
64 #define CONFIG_CONS_INDEX 1 /* which serial channel for console */
65 #undef CONFIG_CONS_USE_EXTC /* SMC/SCC use ext clock not brg_clk */
66 #define CONFIG_CONS_EXTC_RATE 3686400 /* SMC/SCC ext clk rate in Hz */
67 #define CONFIG_CONS_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9,1=CLK5/CLK15*/
70 * select ethernet configuration
72 * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
73 * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
76 * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
77 * defined elsewhere (as for the console), or CONFIG_CMD_NET must be unset.
79 #undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */
80 #undef CONFIG_ETHER_ON_FCC /* define if ether on FCC */
81 #define CONFIG_ETHER_NONE /* define if ether on something else */
82 #define CONFIG_ETHER_INDEX 1 /* which channel for ether */
84 /* system clock rate (CLKIN) - equal to the 60x and local bus speed */
85 #define CONFIG_8260_CLKIN 66666666 /* in Hz */
87 #if defined(CONFIG_CONS_NONE) || defined(CONFIG_CONS_USE_EXTC)
88 #define CONFIG_BAUDRATE 230400
90 #define CONFIG_BAUDRATE 9600
97 #define CONFIG_BOOTP_BOOTFILESIZE
98 #define CONFIG_BOOTP_BOOTPATH
99 #define CONFIG_BOOTP_GATEWAY
100 #define CONFIG_BOOTP_HOSTNAME
104 * Command line configuration.
106 #include <config_cmd_default.h>
108 #define CONFIG_CMD_KGDB
110 #undef CONFIG_CMD_NET
111 #undef CONFIG_CMD_NFS
114 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
116 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
118 #define CONFIG_BOOTCOMMAND "bootm 04080000 04200000" /* autoboot command*/
120 #define CONFIG_BOOTARGS "root=/dev/ram rw"
122 #if defined(CONFIG_CMD_KGDB)
123 #define CONFIG_KGDB_ON_SMC /* define if kgdb on SMC */
124 #undef CONFIG_KGDB_ON_SCC /* define if kgdb on SCC */
125 #undef CONFIG_KGDB_NONE /* define if kgdb on something else */
126 #define CONFIG_KGDB_INDEX 2 /* which serial channel for kgdb */
127 #define CONFIG_KGDB_USE_EXTC /* SMC/SCC use ext clock not brg_clk */
128 #define CONFIG_KGDB_EXTC_RATE 3686400 /* serial ext clk rate in Hz */
129 #define CONFIG_KGDB_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9,1=CLK5/CLK15*/
130 # if defined(CONFIG_KGDB_NONE) || defined(CONFIG_KGDB_USE_EXTC)
131 #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port at */
133 #define CONFIG_KGDB_BAUDRATE 9600 /* speed to run kgdb serial port at */
137 #undef CONFIG_WATCHDOG /* disable platform specific watchdog */
140 * Miscellaneous configurable options
142 #define CONFIG_SYS_LONGHELP /* undef to save memory */
143 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
144 #if defined(CONFIG_CMD_KGDB)
145 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
147 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
149 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
150 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
151 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
153 #define CONFIG_SYS_MEMTEST_START 0x00400000 /* memtest works on */
154 #define CONFIG_SYS_MEMTEST_END 0x01c00000 /* 4 ... 28 MB in DRAM */
156 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
158 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
160 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 }
163 * Low Level Configuration Settings
164 * (address mappings, register initial values, etc.)
165 * You should know what you are doing if you make changes here.
168 /*-----------------------------------------------------------------------
169 * Low Level Cogent settings
170 * if CONFIG_SYS_CMA_CONS_SERIAL is defined, make sure the 8260 CPM serial is not.
171 * also, make sure CONFIG_CONS_INDEX is still defined - the index will be
172 * 1 for serialA, 2 for serialB, 3 for ser2A, 4 for ser2B
173 * (second 2 for CMA120 only)
175 #define CONFIG_SYS_CMA_MB_BASE 0x00000000 /* base of m/b address space */
177 #include <configs/cogent_common.h>
179 #ifdef CONFIG_CONS_NONE
180 #define CONFIG_SYS_CMA_CONS_SERIAL /* use Cogent motherboard serial for console */
182 #define CONFIG_SYS_CMA_LCD_HEARTBEAT /* define for sec rotator in lcd corner */
183 #define CONFIG_SHOW_ACTIVITY
185 #if (CMA_MB_CAPS & CMA_MB_CAP_FLASH)
187 * flash exists on the motherboard
188 * set these four according to TOP dipsw:
189 * TOP on => ..._FLLOW_... (boot EPROM space is high so FLASH is low )
190 * TOP off => ..._FLHIGH_... (boot EPROM space is low so FLASH is high)
192 #define CMA_MB_FLASH_EXEC_BASE CMA_MB_FLLOW_EXEC_BASE
193 #define CMA_MB_FLASH_EXEC_SIZE CMA_MB_FLLOW_EXEC_SIZE
194 #define CMA_MB_FLASH_RDWR_BASE CMA_MB_FLLOW_RDWR_BASE
195 #define CMA_MB_FLASH_RDWR_SIZE CMA_MB_FLLOW_RDWR_SIZE
197 #define CMA_MB_FLASH_BASE CMA_MB_FLASH_EXEC_BASE
198 #define CMA_MB_FLASH_SIZE CMA_MB_FLASH_EXEC_SIZE
200 /*-----------------------------------------------------------------------
201 * Hard Reset Configuration Words
203 * if you change bits in the HRCW, you must also change the CONFIG_SYS_*
204 * defines for the various registers affected by the HRCW e.g. changing
205 * HRCW_DPPCxx requires you to also change CONFIG_SYS_SIUMCR.
207 #define CONFIG_SYS_HRCW_MASTER (HRCW_EBM|HRCW_BPS10|HRCW_L2CPC10|HRCW_DPPC11|\
208 HRCW_ISB100|HRCW_MMR11|HRCW_MODCK_H0101)
209 /* no slaves so just duplicate the master hrcw */
210 #define CONFIG_SYS_HRCW_SLAVE1 CONFIG_SYS_HRCW_MASTER
211 #define CONFIG_SYS_HRCW_SLAVE2 CONFIG_SYS_HRCW_MASTER
212 #define CONFIG_SYS_HRCW_SLAVE3 CONFIG_SYS_HRCW_MASTER
213 #define CONFIG_SYS_HRCW_SLAVE4 CONFIG_SYS_HRCW_MASTER
214 #define CONFIG_SYS_HRCW_SLAVE5 CONFIG_SYS_HRCW_MASTER
215 #define CONFIG_SYS_HRCW_SLAVE6 CONFIG_SYS_HRCW_MASTER
216 #define CONFIG_SYS_HRCW_SLAVE7 CONFIG_SYS_HRCW_MASTER
218 /*-----------------------------------------------------------------------
219 * Internal Memory Mapped Register
221 #define CONFIG_SYS_IMMR 0xF0000000
223 /*-----------------------------------------------------------------------
224 * Definitions for initial stack pointer and data area (in DPRAM)
226 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
227 #define CONFIG_SYS_INIT_RAM_SIZE 0x4000 /* Size of used area in DPRAM */
228 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
229 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
231 /*-----------------------------------------------------------------------
232 * Start addresses for the final memory configuration
233 * (Set up by the startup code)
234 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
236 #define CONFIG_SYS_SDRAM_BASE CMA_MB_RAM_BASE
238 #define CONFIG_SYS_FLASH_BASE CMA_MB_SLOT2_BASE /* cma302 in slot 2 */
240 #define CONFIG_SYS_FLASH_BASE CMA_MB_FLASH_BASE /* flash on m/b */
242 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
243 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
244 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc()*/
247 * For booting Linux, the board info and command line data
248 * have to be in the first 8 MB of memory, since this is
249 * the maximum mapped by the Linux kernel during initialization.
251 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Mem map for Linux*/
253 /*-----------------------------------------------------------------------
256 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max num of memory banks */
257 #define CONFIG_SYS_MAX_FLASH_SECT 67 /* max num of sects on one chip */
259 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Flash Erase Timeout (in ms) */
260 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
262 #define CONFIG_ENV_IS_IN_FLASH 1
263 #define CONFIG_ENV_ADDR CONFIG_SYS_FLASH_BASE /* Addr of Environment Sector */
265 #define CONFIG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */
266 #define CONFIG_ENV_SECT_SIZE (512*1024) /* see README - env sect real size */
268 #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
271 /*-----------------------------------------------------------------------
272 * Cache Configuration
274 #define CONFIG_SYS_CACHELINE_SIZE 32 /* For MPC8260 CPU */
275 #if defined(CONFIG_CMD_KGDB)
276 # define CONFIG_SYS_CACHELINE_SHIFT 5 /* log base 2 of the above value*/
279 /*-----------------------------------------------------------------------
280 * HIDx - Hardware Implementation-dependent Registers 2-11
281 *-----------------------------------------------------------------------
282 * HID0 also contains cache control - initially enable both caches and
283 * invalidate contents, then the final state leaves only the instruction
284 * cache enabled. Note that Power-On and Hard reset invalidate the caches,
285 * but Soft reset does not.
287 * HID1 has only read-only information - nothing to set.
289 #define CONFIG_SYS_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI|\
291 #define CONFIG_SYS_HID0_FINAL (HID0_ICE|HID0_IFEM|HID0_ABE)
292 #define CONFIG_SYS_HID2 0
294 /*-----------------------------------------------------------------------
295 * RMR - Reset Mode Register 5-5
296 *-----------------------------------------------------------------------
297 * turn on Checkstop Reset Enable
299 #define CONFIG_SYS_RMR RMR_CSRE
301 /*-----------------------------------------------------------------------
302 * BCR - Bus Configuration 4-25
303 *-----------------------------------------------------------------------
305 #define CONFIG_SYS_BCR BCR_EBM
307 /*-----------------------------------------------------------------------
308 * SIUMCR - SIU Module Configuration 4-31
309 *-----------------------------------------------------------------------
311 #define CONFIG_SYS_SIUMCR (SIUMCR_DPPC11|SIUMCR_L2CPC10|SIUMCR_MMR11)
313 /*-----------------------------------------------------------------------
314 * SYPCR - System Protection Control 4-35
315 * SYPCR can only be written once after reset!
316 *-----------------------------------------------------------------------
317 * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
319 #if defined(CONFIG_WATCHDOG)
320 #define CONFIG_SYS_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
321 SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
323 #define CONFIG_SYS_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
324 SYPCR_SWRI|SYPCR_SWP)
325 #endif /* CONFIG_WATCHDOG */
327 /*-----------------------------------------------------------------------
328 * TMCNTSC - Time Counter Status and Control 4-40
329 *-----------------------------------------------------------------------
330 * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
331 * and enable Time Counter
333 #define CONFIG_SYS_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
335 /*-----------------------------------------------------------------------
336 * PISCR - Periodic Interrupt Status and Control 4-42
337 *-----------------------------------------------------------------------
338 * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
341 #define CONFIG_SYS_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE)
343 /*-----------------------------------------------------------------------
344 * SCCR - System Clock Control 9-8
345 *-----------------------------------------------------------------------
346 * Ensure DFBRG is Divide by 16
348 #define CONFIG_SYS_SCCR (SCCR_DFBRG01)
350 /*-----------------------------------------------------------------------
351 * RCCR - RISC Controller Configuration 13-7
352 *-----------------------------------------------------------------------
354 #define CONFIG_SYS_RCCR 0
356 #if defined(CONFIG_CMA282)
359 * Init Memory Controller:
361 * According to the Cogent manual, only CS0 and CS2 are used - CS0 for EPROM
362 * and CS2 for (optional) local bus RAM on the CPU module.
364 * Note the motherboard address space (256 Mbyte in size) is connected
365 * to the 60x Bus and is located starting at address 0. The Hard Reset
366 * Configuration Word should put the 60x Bus into External Bus Mode, since
367 * we dont set up any memory controller maps for it (see BCR[EBM], 4-26).
369 * (the *_SIZE vars must be a power of 2)
372 #define CONFIG_SYS_CMA_CS0_BASE CONFIG_SYS_TEXT_BASE /* EPROM */
373 #define CONFIG_SYS_CMA_CS0_SIZE (1 << 20)
375 #define CONFIG_SYS_CMA_CS2_BASE 0x10000000 /* Local Bus SDRAM */
376 #define CONFIG_SYS_CMA_CS2_SIZE (16 << 20)
380 * CS0 maps the EPROM on the cpu module
381 * Set it for 10 wait states, address CONFIG_SYS_MONITOR_BASE and size 1M
383 * Note: We must have already transferred control to the final location
384 * of the EPROM before these are used, because when BR0/OR0 are set, the
385 * mirror of the eprom at any other addresses will disappear.
388 /* base address = CONFIG_SYS_CMA_CS0_BASE, 16-bit, no parity, r/o, gpcm (60x bus) */
389 #define CONFIG_SYS_BR0_PRELIM ((CONFIG_SYS_CMA_CS0_BASE&BRx_BA_MSK)|BRx_PS_16|BRx_WP|BRx_V)
390 /* mask size CONFIG_SYS_CMA_CS0_SIZE, csneg 1/4 early, adr-to-cs 1/2, 10-wait states */
391 #define CONFIG_SYS_OR0_PRELIM (P2SZ_TO_AM(CONFIG_SYS_CMA_CS0_SIZE)|\
392 ORxG_CSNT|ORxG_ACS_DIV2|ORxG_SCY_10_CLK)
395 * CS2 enables the Local Bus SDRAM on the CPU Module
397 * Will leave this unset for the moment, because a) my CPU module has no
398 * SDRAM installed (it is optional); and b) it will require programming
399 * one of the UPMs in SDRAM mode - not a trivial job, and hard to get right
400 * if you can't test it.
404 /* base address = CONFIG_SYS_CMA_CS2_BASE, 32-bit, no parity, ??? */
405 #define CONFIG_SYS_BR0_PRELIM ((CONFIG_SYS_CMA_CS2_BASE&BRx_BA_MSK)|BRx_PS_32|/*???*/|BRx_V)
406 /* mask size CONFIG_SYS_CMA_CS2_SIZE, CS time normal, ??? */
407 #define CONFIG_SYS_OR2_PRELIM ((~(CONFIG_SYS_CMA_CS2_SIZE-1)&ORx_AM_MSK)|/*???*/)
411 #endif /* __CONFIG_H */