3 * Murray Jensen <Murray.Jensen@cmst.csiro.au>
5 * SPDX-License-Identifier: GPL-2.0+
9 * Config header file for Cogent platform using an MPC8xx CPU module
16 * High Level Configuration Options
20 #define CONFIG_MPC8260 1 /* This is an MPC8260 CPU */
21 #define CONFIG_COGENT 1 /* using Cogent Modular Architecture */
22 #define CONFIG_CPM2 1 /* Has a CPM2 */
24 #define CONFIG_SYS_TEXT_BASE 0xfff00000
26 #define CONFIG_MISC_INIT_F 1 /* Use misc_init_f() */
27 #define CONFIG_MISC_INIT_R /* Use misc_init_r() */
29 /* Cogent Modular Architecture options */
30 #define CONFIG_CMA282 1 /* ...on a CMA282 CPU module */
31 #define CONFIG_CMA111 1 /* ...on a CMA111 motherboard */
34 * select serial console configuration
36 * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
37 * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
40 * if CONFIG_CONS_NONE is defined, then the serial console routines must
41 * defined elsewhere (for example, on the cogent platform, there are serial
42 * ports on the motherboard which are used for the serial console - see
43 * cogent/cma101/serial.[ch]).
45 #define CONFIG_CONS_ON_SMC /* define if console on SMC */
46 #undef CONFIG_CONS_ON_SCC /* define if console on SCC */
47 #undef CONFIG_CONS_NONE /* define if console on something else*/
48 #define CONFIG_CONS_INDEX 1 /* which serial channel for console */
49 #undef CONFIG_CONS_USE_EXTC /* SMC/SCC use ext clock not brg_clk */
50 #define CONFIG_CONS_EXTC_RATE 3686400 /* SMC/SCC ext clk rate in Hz */
51 #define CONFIG_CONS_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9,1=CLK5/CLK15*/
54 * select ethernet configuration
56 * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
57 * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
60 * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
61 * defined elsewhere (as for the console), or CONFIG_CMD_NET must be unset.
63 #undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */
64 #undef CONFIG_ETHER_ON_FCC /* define if ether on FCC */
65 #define CONFIG_ETHER_NONE /* define if ether on something else */
66 #define CONFIG_ETHER_INDEX 1 /* which channel for ether */
68 /* system clock rate (CLKIN) - equal to the 60x and local bus speed */
69 #define CONFIG_8260_CLKIN 66666666 /* in Hz */
71 #if defined(CONFIG_CONS_NONE) || defined(CONFIG_CONS_USE_EXTC)
72 #define CONFIG_BAUDRATE 230400
74 #define CONFIG_BAUDRATE 9600
81 #define CONFIG_BOOTP_BOOTFILESIZE
82 #define CONFIG_BOOTP_BOOTPATH
83 #define CONFIG_BOOTP_GATEWAY
84 #define CONFIG_BOOTP_HOSTNAME
88 * Command line configuration.
90 #include <config_cmd_default.h>
92 #define CONFIG_CMD_KGDB
98 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
100 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
102 #define CONFIG_BOOTCOMMAND "bootm 04080000 04200000" /* autoboot command*/
104 #define CONFIG_BOOTARGS "root=/dev/ram rw"
106 #if defined(CONFIG_CMD_KGDB)
107 #define CONFIG_KGDB_ON_SMC /* define if kgdb on SMC */
108 #undef CONFIG_KGDB_ON_SCC /* define if kgdb on SCC */
109 #undef CONFIG_KGDB_NONE /* define if kgdb on something else */
110 #define CONFIG_KGDB_INDEX 2 /* which serial channel for kgdb */
111 #define CONFIG_KGDB_USE_EXTC /* SMC/SCC use ext clock not brg_clk */
112 #define CONFIG_KGDB_EXTC_RATE 3686400 /* serial ext clk rate in Hz */
113 #define CONFIG_KGDB_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9,1=CLK5/CLK15*/
114 # if defined(CONFIG_KGDB_NONE) || defined(CONFIG_KGDB_USE_EXTC)
115 #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port at */
117 #define CONFIG_KGDB_BAUDRATE 9600 /* speed to run kgdb serial port at */
121 #undef CONFIG_WATCHDOG /* disable platform specific watchdog */
124 * Miscellaneous configurable options
126 #define CONFIG_SYS_LONGHELP /* undef to save memory */
127 #if defined(CONFIG_CMD_KGDB)
128 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
130 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
132 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
133 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
134 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
136 #define CONFIG_SYS_MEMTEST_START 0x00400000 /* memtest works on */
137 #define CONFIG_SYS_MEMTEST_END 0x01c00000 /* 4 ... 28 MB in DRAM */
139 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
141 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 }
144 * Low Level Configuration Settings
145 * (address mappings, register initial values, etc.)
146 * You should know what you are doing if you make changes here.
149 /*-----------------------------------------------------------------------
150 * Low Level Cogent settings
151 * if CONFIG_SYS_CMA_CONS_SERIAL is defined, make sure the 8260 CPM serial is not.
152 * also, make sure CONFIG_CONS_INDEX is still defined - the index will be
153 * 1 for serialA, 2 for serialB, 3 for ser2A, 4 for ser2B
154 * (second 2 for CMA120 only)
156 #define CONFIG_SYS_CMA_MB_BASE 0x00000000 /* base of m/b address space */
158 #include <configs/cogent_common.h>
160 #ifdef CONFIG_CONS_NONE
161 #define CONFIG_SYS_CMA_CONS_SERIAL /* use Cogent motherboard serial for console */
163 #define CONFIG_SYS_CMA_LCD_HEARTBEAT /* define for sec rotator in lcd corner */
164 #define CONFIG_SHOW_ACTIVITY
166 #if (CMA_MB_CAPS & CMA_MB_CAP_FLASH)
168 * flash exists on the motherboard
169 * set these four according to TOP dipsw:
170 * TOP on => ..._FLLOW_... (boot EPROM space is high so FLASH is low )
171 * TOP off => ..._FLHIGH_... (boot EPROM space is low so FLASH is high)
173 #define CMA_MB_FLASH_EXEC_BASE CMA_MB_FLLOW_EXEC_BASE
174 #define CMA_MB_FLASH_EXEC_SIZE CMA_MB_FLLOW_EXEC_SIZE
175 #define CMA_MB_FLASH_RDWR_BASE CMA_MB_FLLOW_RDWR_BASE
176 #define CMA_MB_FLASH_RDWR_SIZE CMA_MB_FLLOW_RDWR_SIZE
178 #define CMA_MB_FLASH_BASE CMA_MB_FLASH_EXEC_BASE
179 #define CMA_MB_FLASH_SIZE CMA_MB_FLASH_EXEC_SIZE
181 /*-----------------------------------------------------------------------
182 * Hard Reset Configuration Words
184 * if you change bits in the HRCW, you must also change the CONFIG_SYS_*
185 * defines for the various registers affected by the HRCW e.g. changing
186 * HRCW_DPPCxx requires you to also change CONFIG_SYS_SIUMCR.
188 #define CONFIG_SYS_HRCW_MASTER (HRCW_EBM|HRCW_BPS10|HRCW_L2CPC10|HRCW_DPPC11|\
189 HRCW_ISB100|HRCW_MMR11|HRCW_MODCK_H0101)
190 /* no slaves so just duplicate the master hrcw */
191 #define CONFIG_SYS_HRCW_SLAVE1 CONFIG_SYS_HRCW_MASTER
192 #define CONFIG_SYS_HRCW_SLAVE2 CONFIG_SYS_HRCW_MASTER
193 #define CONFIG_SYS_HRCW_SLAVE3 CONFIG_SYS_HRCW_MASTER
194 #define CONFIG_SYS_HRCW_SLAVE4 CONFIG_SYS_HRCW_MASTER
195 #define CONFIG_SYS_HRCW_SLAVE5 CONFIG_SYS_HRCW_MASTER
196 #define CONFIG_SYS_HRCW_SLAVE6 CONFIG_SYS_HRCW_MASTER
197 #define CONFIG_SYS_HRCW_SLAVE7 CONFIG_SYS_HRCW_MASTER
199 /*-----------------------------------------------------------------------
200 * Internal Memory Mapped Register
202 #define CONFIG_SYS_IMMR 0xF0000000
204 /*-----------------------------------------------------------------------
205 * Definitions for initial stack pointer and data area (in DPRAM)
207 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
208 #define CONFIG_SYS_INIT_RAM_SIZE 0x4000 /* Size of used area in DPRAM */
209 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
210 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
212 /*-----------------------------------------------------------------------
213 * Start addresses for the final memory configuration
214 * (Set up by the startup code)
215 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
217 #define CONFIG_SYS_SDRAM_BASE CMA_MB_RAM_BASE
219 #define CONFIG_SYS_FLASH_BASE CMA_MB_SLOT2_BASE /* cma302 in slot 2 */
221 #define CONFIG_SYS_FLASH_BASE CMA_MB_FLASH_BASE /* flash on m/b */
223 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
224 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
225 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc()*/
228 * For booting Linux, the board info and command line data
229 * have to be in the first 8 MB of memory, since this is
230 * the maximum mapped by the Linux kernel during initialization.
232 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Mem map for Linux*/
234 /*-----------------------------------------------------------------------
237 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max num of memory banks */
238 #define CONFIG_SYS_MAX_FLASH_SECT 67 /* max num of sects on one chip */
240 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Flash Erase Timeout (in ms) */
241 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
243 #define CONFIG_ENV_IS_IN_FLASH 1
244 #define CONFIG_ENV_ADDR CONFIG_SYS_FLASH_BASE /* Addr of Environment Sector */
246 #define CONFIG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */
247 #define CONFIG_ENV_SECT_SIZE (512*1024) /* see README - env sect real size */
249 #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
252 /*-----------------------------------------------------------------------
253 * Cache Configuration
255 #define CONFIG_SYS_CACHELINE_SIZE 32 /* For MPC8260 CPU */
256 #if defined(CONFIG_CMD_KGDB)
257 # define CONFIG_SYS_CACHELINE_SHIFT 5 /* log base 2 of the above value*/
260 /*-----------------------------------------------------------------------
261 * HIDx - Hardware Implementation-dependent Registers 2-11
262 *-----------------------------------------------------------------------
263 * HID0 also contains cache control - initially enable both caches and
264 * invalidate contents, then the final state leaves only the instruction
265 * cache enabled. Note that Power-On and Hard reset invalidate the caches,
266 * but Soft reset does not.
268 * HID1 has only read-only information - nothing to set.
270 #define CONFIG_SYS_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI|\
272 #define CONFIG_SYS_HID0_FINAL (HID0_ICE|HID0_IFEM|HID0_ABE)
273 #define CONFIG_SYS_HID2 0
275 /*-----------------------------------------------------------------------
276 * RMR - Reset Mode Register 5-5
277 *-----------------------------------------------------------------------
278 * turn on Checkstop Reset Enable
280 #define CONFIG_SYS_RMR RMR_CSRE
282 /*-----------------------------------------------------------------------
283 * BCR - Bus Configuration 4-25
284 *-----------------------------------------------------------------------
286 #define CONFIG_SYS_BCR BCR_EBM
288 /*-----------------------------------------------------------------------
289 * SIUMCR - SIU Module Configuration 4-31
290 *-----------------------------------------------------------------------
292 #define CONFIG_SYS_SIUMCR (SIUMCR_DPPC11|SIUMCR_L2CPC10|SIUMCR_MMR11)
294 /*-----------------------------------------------------------------------
295 * SYPCR - System Protection Control 4-35
296 * SYPCR can only be written once after reset!
297 *-----------------------------------------------------------------------
298 * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
300 #if defined(CONFIG_WATCHDOG)
301 #define CONFIG_SYS_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
302 SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
304 #define CONFIG_SYS_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
305 SYPCR_SWRI|SYPCR_SWP)
306 #endif /* CONFIG_WATCHDOG */
308 /*-----------------------------------------------------------------------
309 * TMCNTSC - Time Counter Status and Control 4-40
310 *-----------------------------------------------------------------------
311 * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
312 * and enable Time Counter
314 #define CONFIG_SYS_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
316 /*-----------------------------------------------------------------------
317 * PISCR - Periodic Interrupt Status and Control 4-42
318 *-----------------------------------------------------------------------
319 * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
322 #define CONFIG_SYS_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE)
324 /*-----------------------------------------------------------------------
325 * SCCR - System Clock Control 9-8
326 *-----------------------------------------------------------------------
327 * Ensure DFBRG is Divide by 16
329 #define CONFIG_SYS_SCCR (SCCR_DFBRG01)
331 /*-----------------------------------------------------------------------
332 * RCCR - RISC Controller Configuration 13-7
333 *-----------------------------------------------------------------------
335 #define CONFIG_SYS_RCCR 0
337 #if defined(CONFIG_CMA282)
340 * Init Memory Controller:
342 * According to the Cogent manual, only CS0 and CS2 are used - CS0 for EPROM
343 * and CS2 for (optional) local bus RAM on the CPU module.
345 * Note the motherboard address space (256 Mbyte in size) is connected
346 * to the 60x Bus and is located starting at address 0. The Hard Reset
347 * Configuration Word should put the 60x Bus into External Bus Mode, since
348 * we dont set up any memory controller maps for it (see BCR[EBM], 4-26).
350 * (the *_SIZE vars must be a power of 2)
353 #define CONFIG_SYS_CMA_CS0_BASE CONFIG_SYS_TEXT_BASE /* EPROM */
354 #define CONFIG_SYS_CMA_CS0_SIZE (1 << 20)
356 #define CONFIG_SYS_CMA_CS2_BASE 0x10000000 /* Local Bus SDRAM */
357 #define CONFIG_SYS_CMA_CS2_SIZE (16 << 20)
361 * CS0 maps the EPROM on the cpu module
362 * Set it for 10 wait states, address CONFIG_SYS_MONITOR_BASE and size 1M
364 * Note: We must have already transferred control to the final location
365 * of the EPROM before these are used, because when BR0/OR0 are set, the
366 * mirror of the eprom at any other addresses will disappear.
369 /* base address = CONFIG_SYS_CMA_CS0_BASE, 16-bit, no parity, r/o, gpcm (60x bus) */
370 #define CONFIG_SYS_BR0_PRELIM ((CONFIG_SYS_CMA_CS0_BASE&BRx_BA_MSK)|BRx_PS_16|BRx_WP|BRx_V)
371 /* mask size CONFIG_SYS_CMA_CS0_SIZE, csneg 1/4 early, adr-to-cs 1/2, 10-wait states */
372 #define CONFIG_SYS_OR0_PRELIM (P2SZ_TO_AM(CONFIG_SYS_CMA_CS0_SIZE)|\
373 ORxG_CSNT|ORxG_ACS_DIV2|ORxG_SCY_10_CLK)
376 * CS2 enables the Local Bus SDRAM on the CPU Module
378 * Will leave this unset for the moment, because a) my CPU module has no
379 * SDRAM installed (it is optional); and b) it will require programming
380 * one of the UPMs in SDRAM mode - not a trivial job, and hard to get right
381 * if you can't test it.
385 /* base address = CONFIG_SYS_CMA_CS2_BASE, 32-bit, no parity, ??? */
386 #define CONFIG_SYS_BR0_PRELIM ((CONFIG_SYS_CMA_CS2_BASE&BRx_BA_MSK)|BRx_PS_32|/*???*/|BRx_V)
387 /* mask size CONFIG_SYS_CMA_CS2_SIZE, CS time normal, ??? */
388 #define CONFIG_SYS_OR2_PRELIM ((~(CONFIG_SYS_CMA_CS2_SIZE-1)&ORx_AM_MSK)|/*???*/)
392 #endif /* __CONFIG_H */