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wdenk0f8c9762002-08-19 11:57:05 +00001/*
2 * (C) Copyright 2000
3 * Murray Jensen <Murray.Jensen@cmst.csiro.au>
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
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.
12 *
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.
17 *
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,
21 * MA 02111-1307 USA
22 */
23
24/*
25 * Config header file for Cogent platform using an MPC8xx CPU module
26 */
27
28#ifndef __CONFIG_H
29#define __CONFIG_H
30
31/*
32 * High Level Configuration Options
33 * (easy to change)
34 */
35
36#define CONFIG_MPC8260 1 /* This is an MPC8260 CPU */
37#define CONFIG_COGENT 1 /* using Cogent Modular Architecture */
Jon Loeliger9c4c5ae2005-07-23 10:37:35 -050038#define CONFIG_CPM2 1 /* Has a CPM2 */
wdenk0f8c9762002-08-19 11:57:05 +000039
wdenkc837dcb2004-01-20 23:12:12 +000040#define CONFIG_MISC_INIT_F 1 /* Use misc_init_f() */
41
wdenk0f8c9762002-08-19 11:57:05 +000042/* Cogent Modular Architecture options */
43#define CONFIG_CMA282 1 /* ...on a CMA282 CPU module */
44#define CONFIG_CMA111 1 /* ...on a CMA111 motherboard */
45
46/*
47 * select serial console configuration
48 *
49 * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
50 * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
51 * for SCC).
52 *
53 * if CONFIG_CONS_NONE is defined, then the serial console routines must
54 * defined elsewhere (for example, on the cogent platform, there are serial
55 * ports on the motherboard which are used for the serial console - see
56 * cogent/cma101/serial.[ch]).
57 */
58#define CONFIG_CONS_ON_SMC /* define if console on SMC */
59#undef CONFIG_CONS_ON_SCC /* define if console on SCC */
60#undef CONFIG_CONS_NONE /* define if console on something else*/
61#define CONFIG_CONS_INDEX 1 /* which serial channel for console */
62#undef CONFIG_CONS_USE_EXTC /* SMC/SCC use ext clock not brg_clk */
63#define CONFIG_CONS_EXTC_RATE 3686400 /* SMC/SCC ext clk rate in Hz */
64#define CONFIG_CONS_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9,1=CLK5/CLK15*/
65
66/*
67 * select ethernet configuration
68 *
69 * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
70 * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
71 * for FCC)
72 *
73 * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
Jon Loeliger639221c2007-07-09 17:15:49 -050074 * defined elsewhere (as for the console), or CONFIG_CMD_NET must be unset.
wdenk0f8c9762002-08-19 11:57:05 +000075 */
76#undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */
77#undef CONFIG_ETHER_ON_FCC /* define if ether on FCC */
78#define CONFIG_ETHER_NONE /* define if ether on something else */
79#define CONFIG_ETHER_INDEX 1 /* which channel for ether */
80
81/* system clock rate (CLKIN) - equal to the 60x and local bus speed */
82#define CONFIG_8260_CLKIN 66666666 /* in Hz */
83
84#if defined(CONFIG_CONS_NONE) || defined(CONFIG_CONS_USE_EXTC)
85#define CONFIG_BAUDRATE 230400
86#else
87#define CONFIG_BAUDRATE 9600
88#endif
89
wdenk0f8c9762002-08-19 11:57:05 +000090
Jon Loeliger37e4f242007-07-04 22:31:56 -050091/*
Jon Loeliger80ff4f92007-07-10 09:29:01 -050092 * BOOTP options
93 */
94#define CONFIG_BOOTP_BOOTFILESIZE
95#define CONFIG_BOOTP_BOOTPATH
96#define CONFIG_BOOTP_GATEWAY
97#define CONFIG_BOOTP_HOSTNAME
98
99
100/*
Jon Loeliger37e4f242007-07-04 22:31:56 -0500101 * Command line configuration.
102 */
103#include <config_cmd_default.h>
104
105#define CONFIG_CMD_KGDB
106
107#undef CONFIG_CMD_NET
108
wdenk0f8c9762002-08-19 11:57:05 +0000109
110#ifdef DEBUG
111#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
112#else
113#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
114#endif
115#define CONFIG_BOOTCOMMAND "bootm 04080000 04200000" /* autoboot command*/
116
117#define CONFIG_BOOTARGS "root=/dev/ram rw"
118
Jon Loeliger37e4f242007-07-04 22:31:56 -0500119#if defined(CONFIG_CMD_KGDB)
wdenk0f8c9762002-08-19 11:57:05 +0000120#define CONFIG_KGDB_ON_SMC /* define if kgdb on SMC */
121#undef CONFIG_KGDB_ON_SCC /* define if kgdb on SCC */
122#undef CONFIG_KGDB_NONE /* define if kgdb on something else */
123#define CONFIG_KGDB_INDEX 2 /* which serial channel for kgdb */
124#define CONFIG_KGDB_USE_EXTC /* SMC/SCC use ext clock not brg_clk */
125#define CONFIG_KGDB_EXTC_RATE 3686400 /* serial ext clk rate in Hz */
126#define CONFIG_KGDB_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9,1=CLK5/CLK15*/
127# if defined(CONFIG_KGDB_NONE) || defined(CONFIG_KGDB_USE_EXTC)
128#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port at */
129# else
130#define CONFIG_KGDB_BAUDRATE 9600 /* speed to run kgdb serial port at */
131# endif
132#endif
133
134#undef CONFIG_WATCHDOG /* disable platform specific watchdog */
135
136/*
137 * Miscellaneous configurable options
138 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200139#define CONFIG_SYS_LONGHELP /* undef to save memory */
140#define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
Jon Loeliger37e4f242007-07-04 22:31:56 -0500141#if defined(CONFIG_CMD_KGDB)
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200142#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
wdenk0f8c9762002-08-19 11:57:05 +0000143#else
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200144#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
wdenk0f8c9762002-08-19 11:57:05 +0000145#endif
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200146#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
147#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
148#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
wdenk0f8c9762002-08-19 11:57:05 +0000149
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200150#define CONFIG_SYS_MEMTEST_START 0x00400000 /* memtest works on */
151#define CONFIG_SYS_MEMTEST_END 0x01c00000 /* 4 ... 28 MB in DRAM */
wdenk0f8c9762002-08-19 11:57:05 +0000152
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200153#define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
wdenk0f8c9762002-08-19 11:57:05 +0000154
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200155#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
wdenk0f8c9762002-08-19 11:57:05 +0000156
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200157#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 }
wdenk0f8c9762002-08-19 11:57:05 +0000158
159/*
160 * Low Level Configuration Settings
161 * (address mappings, register initial values, etc.)
162 * You should know what you are doing if you make changes here.
163 */
164
165/*-----------------------------------------------------------------------
166 * Low Level Cogent settings
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200167 * if CONFIG_SYS_CMA_CONS_SERIAL is defined, make sure the 8260 CPM serial is not.
wdenk0f8c9762002-08-19 11:57:05 +0000168 * also, make sure CONFIG_CONS_INDEX is still defined - the index will be
169 * 1 for serialA, 2 for serialB, 3 for ser2A, 4 for ser2B
170 * (second 2 for CMA120 only)
171 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200172#define CONFIG_SYS_CMA_MB_BASE 0x00000000 /* base of m/b address space */
wdenk0f8c9762002-08-19 11:57:05 +0000173
174#include <configs/cogent_common.h>
175
176#ifdef CONFIG_CONS_NONE
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200177#define CONFIG_SYS_CMA_CONS_SERIAL /* use Cogent motherboard serial for console */
wdenk0f8c9762002-08-19 11:57:05 +0000178#endif
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200179#define CONFIG_SYS_CMA_LCD_HEARTBEAT /* define for sec rotator in lcd corner */
wdenka8c7c702003-12-06 19:49:23 +0000180#define CONFIG_SHOW_ACTIVITY
wdenk0f8c9762002-08-19 11:57:05 +0000181
182#if (CMA_MB_CAPS & CMA_MB_CAP_FLASH)
183/*
184 * flash exists on the motherboard
185 * set these four according to TOP dipsw:
186 * TOP on => ..._FLLOW_... (boot EPROM space is high so FLASH is low )
187 * TOP off => ..._FLHIGH_... (boot EPROM space is low so FLASH is high)
188 */
189#define CMA_MB_FLASH_EXEC_BASE CMA_MB_FLLOW_EXEC_BASE
190#define CMA_MB_FLASH_EXEC_SIZE CMA_MB_FLLOW_EXEC_SIZE
191#define CMA_MB_FLASH_RDWR_BASE CMA_MB_FLLOW_RDWR_BASE
192#define CMA_MB_FLASH_RDWR_SIZE CMA_MB_FLLOW_RDWR_SIZE
193#endif
194#define CMA_MB_FLASH_BASE CMA_MB_FLASH_EXEC_BASE
195#define CMA_MB_FLASH_SIZE CMA_MB_FLASH_EXEC_SIZE
196
197/*-----------------------------------------------------------------------
198 * Hard Reset Configuration Words
199 *
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200200 * if you change bits in the HRCW, you must also change the CONFIG_SYS_*
wdenk0f8c9762002-08-19 11:57:05 +0000201 * defines for the various registers affected by the HRCW e.g. changing
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200202 * HRCW_DPPCxx requires you to also change CONFIG_SYS_SIUMCR.
wdenk0f8c9762002-08-19 11:57:05 +0000203 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200204#define CONFIG_SYS_HRCW_MASTER (HRCW_EBM|HRCW_BPS10|HRCW_L2CPC10|HRCW_DPPC11|\
wdenk0f8c9762002-08-19 11:57:05 +0000205 HRCW_ISB100|HRCW_MMR11|HRCW_MODCK_H0101)
206/* no slaves so just duplicate the master hrcw */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200207#define CONFIG_SYS_HRCW_SLAVE1 CONFIG_SYS_HRCW_MASTER
208#define CONFIG_SYS_HRCW_SLAVE2 CONFIG_SYS_HRCW_MASTER
209#define CONFIG_SYS_HRCW_SLAVE3 CONFIG_SYS_HRCW_MASTER
210#define CONFIG_SYS_HRCW_SLAVE4 CONFIG_SYS_HRCW_MASTER
211#define CONFIG_SYS_HRCW_SLAVE5 CONFIG_SYS_HRCW_MASTER
212#define CONFIG_SYS_HRCW_SLAVE6 CONFIG_SYS_HRCW_MASTER
213#define CONFIG_SYS_HRCW_SLAVE7 CONFIG_SYS_HRCW_MASTER
wdenk0f8c9762002-08-19 11:57:05 +0000214
215/*-----------------------------------------------------------------------
216 * Internal Memory Mapped Register
217 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200218#define CONFIG_SYS_IMMR 0xF0000000
wdenk0f8c9762002-08-19 11:57:05 +0000219
220/*-----------------------------------------------------------------------
221 * Definitions for initial stack pointer and data area (in DPRAM)
222 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200223#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
224#define CONFIG_SYS_INIT_RAM_END 0x4000 /* End of used area in DPRAM */
225#define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
226#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
227#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
wdenk0f8c9762002-08-19 11:57:05 +0000228
229/*-----------------------------------------------------------------------
230 * Start addresses for the final memory configuration
231 * (Set up by the startup code)
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200232 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
wdenk0f8c9762002-08-19 11:57:05 +0000233 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200234#define CONFIG_SYS_SDRAM_BASE CMA_MB_RAM_BASE
wdenk0f8c9762002-08-19 11:57:05 +0000235#ifdef CONFIG_CMA302
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200236#define CONFIG_SYS_FLASH_BASE CMA_MB_SLOT2_BASE /* cma302 in slot 2 */
wdenk0f8c9762002-08-19 11:57:05 +0000237#else
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200238#define CONFIG_SYS_FLASH_BASE CMA_MB_FLASH_BASE /* flash on m/b */
wdenk0f8c9762002-08-19 11:57:05 +0000239#endif
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200240#define CONFIG_SYS_MONITOR_BASE TEXT_BASE
241#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
242#define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc()*/
wdenk0f8c9762002-08-19 11:57:05 +0000243
244/*
245 * For booting Linux, the board info and command line data
246 * have to be in the first 8 MB of memory, since this is
247 * the maximum mapped by the Linux kernel during initialization.
248 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200249#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Mem map for Linux*/
wdenk0f8c9762002-08-19 11:57:05 +0000250
251/*-----------------------------------------------------------------------
252 * FLASH organization
253 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200254#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max num of memory banks */
255#define CONFIG_SYS_MAX_FLASH_SECT 67 /* max num of sects on one chip */
wdenk0f8c9762002-08-19 11:57:05 +0000256
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200257#define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Flash Erase Timeout (in ms) */
258#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
wdenk0f8c9762002-08-19 11:57:05 +0000259
Jean-Christophe PLAGNIOL-VILLARD5a1aceb2008-09-10 22:48:04 +0200260#define CONFIG_ENV_IS_IN_FLASH 1
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200261#define CONFIG_ENV_ADDR CONFIG_SYS_FLASH_BASE /* Addr of Environment Sector */
wdenk0f8c9762002-08-19 11:57:05 +0000262#ifdef CONFIG_CMA302
Jean-Christophe PLAGNIOL-VILLARD0e8d1582008-09-10 22:48:06 +0200263#define CONFIG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */
264#define CONFIG_ENV_SECT_SIZE (512*1024) /* see README - env sect real size */
wdenk0f8c9762002-08-19 11:57:05 +0000265#else
Jean-Christophe PLAGNIOL-VILLARD0e8d1582008-09-10 22:48:06 +0200266#define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
wdenk0f8c9762002-08-19 11:57:05 +0000267#endif
268
269/*-----------------------------------------------------------------------
270 * Cache Configuration
271 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200272#define CONFIG_SYS_CACHELINE_SIZE 32 /* For MPC8260 CPU */
Jon Loeliger37e4f242007-07-04 22:31:56 -0500273#if defined(CONFIG_CMD_KGDB)
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200274# define CONFIG_SYS_CACHELINE_SHIFT 5 /* log base 2 of the above value*/
wdenk0f8c9762002-08-19 11:57:05 +0000275#endif
276
277/*-----------------------------------------------------------------------
278 * HIDx - Hardware Implementation-dependent Registers 2-11
279 *-----------------------------------------------------------------------
280 * HID0 also contains cache control - initially enable both caches and
281 * invalidate contents, then the final state leaves only the instruction
282 * cache enabled. Note that Power-On and Hard reset invalidate the caches,
283 * but Soft reset does not.
284 *
285 * HID1 has only read-only information - nothing to set.
286 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200287#define CONFIG_SYS_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI|\
wdenk0f8c9762002-08-19 11:57:05 +0000288 HID0_IFEM|HID0_ABE)
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200289#define CONFIG_SYS_HID0_FINAL (HID0_ICE|HID0_IFEM|HID0_ABE)
290#define CONFIG_SYS_HID2 0
wdenk0f8c9762002-08-19 11:57:05 +0000291
292/*-----------------------------------------------------------------------
293 * RMR - Reset Mode Register 5-5
294 *-----------------------------------------------------------------------
295 * turn on Checkstop Reset Enable
296 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200297#define CONFIG_SYS_RMR RMR_CSRE
wdenk0f8c9762002-08-19 11:57:05 +0000298
299/*-----------------------------------------------------------------------
300 * BCR - Bus Configuration 4-25
301 *-----------------------------------------------------------------------
302 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200303#define CONFIG_SYS_BCR BCR_EBM
wdenk0f8c9762002-08-19 11:57:05 +0000304
305/*-----------------------------------------------------------------------
306 * SIUMCR - SIU Module Configuration 4-31
307 *-----------------------------------------------------------------------
308 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200309#define CONFIG_SYS_SIUMCR (SIUMCR_DPPC11|SIUMCR_L2CPC10|SIUMCR_MMR11)
wdenk0f8c9762002-08-19 11:57:05 +0000310
311/*-----------------------------------------------------------------------
312 * SYPCR - System Protection Control 4-35
313 * SYPCR can only be written once after reset!
314 *-----------------------------------------------------------------------
315 * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
316 */
317#if defined(CONFIG_WATCHDOG)
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200318#define CONFIG_SYS_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
wdenk0f8c9762002-08-19 11:57:05 +0000319 SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
320#else
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200321#define CONFIG_SYS_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
wdenk0f8c9762002-08-19 11:57:05 +0000322 SYPCR_SWRI|SYPCR_SWP)
323#endif /* CONFIG_WATCHDOG */
324
325/*-----------------------------------------------------------------------
326 * TMCNTSC - Time Counter Status and Control 4-40
327 *-----------------------------------------------------------------------
328 * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
329 * and enable Time Counter
330 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200331#define CONFIG_SYS_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
wdenk0f8c9762002-08-19 11:57:05 +0000332
333/*-----------------------------------------------------------------------
334 * PISCR - Periodic Interrupt Status and Control 4-42
335 *-----------------------------------------------------------------------
336 * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
337 * Periodic timer
338 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200339#define CONFIG_SYS_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE)
wdenk0f8c9762002-08-19 11:57:05 +0000340
341/*-----------------------------------------------------------------------
342 * SCCR - System Clock Control 9-8
343 *-----------------------------------------------------------------------
344 * Ensure DFBRG is Divide by 16
345 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200346#define CONFIG_SYS_SCCR (SCCR_DFBRG01)
wdenk0f8c9762002-08-19 11:57:05 +0000347
348/*-----------------------------------------------------------------------
349 * RCCR - RISC Controller Configuration 13-7
350 *-----------------------------------------------------------------------
351 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200352#define CONFIG_SYS_RCCR 0
wdenk0f8c9762002-08-19 11:57:05 +0000353
354#if defined(CONFIG_CMA282)
355
356/*
357 * Init Memory Controller:
358 *
359 * According to the Cogent manual, only CS0 and CS2 are used - CS0 for EPROM
360 * and CS2 for (optional) local bus RAM on the CPU module.
361 *
362 * Note the motherboard address space (256 Mbyte in size) is connected
363 * to the 60x Bus and is located starting at address 0. The Hard Reset
364 * Configuration Word should put the 60x Bus into External Bus Mode, since
365 * we dont set up any memory controller maps for it (see BCR[EBM], 4-26).
366 *
367 * (the *_SIZE vars must be a power of 2)
368 */
369
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200370#define CONFIG_SYS_CMA_CS0_BASE TEXT_BASE /* EPROM */
371#define CONFIG_SYS_CMA_CS0_SIZE (1 << 20)
wdenk0f8c9762002-08-19 11:57:05 +0000372#if 0
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200373#define CONFIG_SYS_CMA_CS2_BASE 0x10000000 /* Local Bus SDRAM */
374#define CONFIG_SYS_CMA_CS2_SIZE (16 << 20)
wdenk0f8c9762002-08-19 11:57:05 +0000375#endif
376
377/*
378 * CS0 maps the EPROM on the cpu module
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200379 * Set it for 10 wait states, address CONFIG_SYS_MONITOR_BASE and size 1M
wdenk0f8c9762002-08-19 11:57:05 +0000380 *
381 * Note: We must have already transferred control to the final location
382 * of the EPROM before these are used, because when BR0/OR0 are set, the
383 * mirror of the eprom at any other addresses will disappear.
384 */
385
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200386/* base address = CONFIG_SYS_CMA_CS0_BASE, 16-bit, no parity, r/o, gpcm (60x bus) */
387#define CONFIG_SYS_BR0_PRELIM ((CONFIG_SYS_CMA_CS0_BASE&BRx_BA_MSK)|BRx_PS_16|BRx_WP|BRx_V)
388/* mask size CONFIG_SYS_CMA_CS0_SIZE, csneg 1/4 early, adr-to-cs 1/2, 10-wait states */
389#define CONFIG_SYS_OR0_PRELIM (P2SZ_TO_AM(CONFIG_SYS_CMA_CS0_SIZE)|\
wdenk0f8c9762002-08-19 11:57:05 +0000390 ORxG_CSNT|ORxG_ACS_DIV2|ORxG_SCY_10_CLK)
391
392/*
393 * CS2 enables the Local Bus SDRAM on the CPU Module
394 *
395 * Will leave this unset for the moment, because a) my CPU module has no
396 * SDRAM installed (it is optional); and b) it will require programming
397 * one of the UPMs in SDRAM mode - not a trivial job, and hard to get right
398 * if you can't test it.
399 */
400
401#if 0
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200402/* base address = CONFIG_SYS_CMA_CS2_BASE, 32-bit, no parity, ??? */
403#define CONFIG_SYS_BR0_PRELIM ((CONFIG_SYS_CMA_CS2_BASE&BRx_BA_MSK)|BRx_PS_32|/*???*/|BRx_V)
404/* mask size CONFIG_SYS_CMA_CS2_SIZE, CS time normal, ??? */
405#define CONFIG_SYS_OR2_PRELIM ((~(CONFIG_SYS_CMA_CS2_SIZE-1)&ORx_AM_MSK)|/*???*/)
wdenk0f8c9762002-08-19 11:57:05 +0000406#endif
407
408#endif
409
410/*
411 * Internal Definitions
412 *
413 * Boot Flags
414 */
415#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH*/
416#define BOOTFLAG_WARM 0x02 /* Software reboot */
417
418#endif /* __CONFIG_H */