3 * Markus Klotzbuecher, DENX Software Engineering, mk@denx.de
5 * Configuation settings for the SPC1920 board.
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 #define CONFIG_SPC1920 1 /* SPC1920 board */
27 #define CONFIG_MPC885 1 /* MPC885 CPU */
29 #define CONFIG_8xx_CONS_SMC1 /* Console is on SMC1 */
30 #undef CONFIG_8xx_CONS_SMC2
31 #undef CONFIG_8xx_CONS_NONE
34 #define CONFIG_MII_INIT 1
35 #undef CONFIG_ETHER_ON_FEC1
36 #define CONFIG_ETHER_ON_FEC2
38 #define CONFIG_FEC2_PHY 1
40 #define CONFIG_BAUDRATE 19200
42 /* use PLD CLK4 instead of brg */
43 #define CFG_SPC1920_SMC1_CLK4
45 #define CONFIG_8xx_OSCLK 10000000 /* 10 MHz oscillator on EXTCLK */
46 #define CONFIG_8xx_CPUCLK_DEFAULT 50000000
47 #define CFG_8xx_CPUCLK_MIN 40000000
48 #define CFG_8xx_CPUCLK_MAX 133000000
50 #define CFG_RESET_ADDRESS 0xC0000000
52 #define CONFIG_BOARD_EARLY_INIT_F
53 #define CONFIG_LAST_STAGE_INIT
56 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
58 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
61 #define CONFIG_ENV_OVERWRITE
63 #define CONFIG_NFSBOOTCOMMAND \
65 "setenv bootargs root=/dev/nfs rw nfsroot=$rootpath " \
66 "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:eth0:off;" \
69 #define CONFIG_BOOTCOMMAND \
70 "setenv bootargs root=/dev/mtdblock2 rw mtdparts=phys:1280K(ROM)ro,-(root) "\
71 "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:eth0:off;" \
74 #undef CONFIG_BOOTARGS
76 #undef CONFIG_WATCHDOG /* watchdog disabled */
77 #define CONFIG_BZIP2 /* include support for bzip2 compressed images */
83 #define CONFIG_BOOTP_BOOTFILESIZE
84 #define CONFIG_BOOTP_BOOTPATH
85 #define CONFIG_BOOTP_GATEWAY
86 #define CONFIG_BOOTP_HOSTNAME
90 * Command line configuration.
92 #include <config_cmd_default.h>
94 #define CONFIG_CMD_ASKENV
95 #define CONFIG_CMD_DATE
96 #define CONFIG_CMD_ECHO
97 #define CONFIG_CMD_IMMAP
98 #define CONFIG_CMD_JFFS2
99 #define CONFIG_CMD_NET
100 #define CONFIG_CMD_PING
101 #define CONFIG_CMD_DHCP
102 #define CONFIG_CMD_I2C
103 #define CONFIG_CMD_MII
106 * Miscellaneous configurable options
108 #define CFG_LONGHELP /* undef to save memory */
109 #define CFG_PROMPT "=>" /* Monitor Command Prompt */
110 #define CFG_HUSH_PARSER
111 #define CFG_PROMPT_HUSH_PS2 "> "
113 #if defined(CONFIG_CMD_KGDB)
114 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
116 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
119 #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16) /* Print Buffer Size */
120 #define CFG_MAXARGS 16 /* max number of command args */
121 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
123 #define CFG_LOAD_ADDR 0x00100000
125 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
127 #define CFG_BAUDRATE_TABLE { 2400, 4800, 9600, 19200 }
130 * Low Level Configuration Settings
131 * (address mappings, register initial values, etc.)
132 * You should know what you are doing if you make changes here.
135 /*-----------------------------------------------------------------------
136 * Internal Memory Mapped Register
138 #define CFG_IMMR 0xF0000000
140 /*-----------------------------------------------------------------------
141 * Definitions for initial stack pointer and data area (in DPRAM)
143 #define CFG_INIT_RAM_ADDR CFG_IMMR
144 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
145 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
146 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
147 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
149 /*-----------------------------------------------------------------------
150 * Start addresses for the final memory configuration
151 * (Set up by the startup code)
152 * Please note that CFG_SDRAM_BASE _must_ start at 0
154 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
155 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
158 * For booting Linux, the board info and command line data
159 * have to be in the first 8 MB of memory, since this is
160 * the maximum mapped by the Linux kernel during initialization.
162 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
164 #define CFG_MONITOR_BASE TEXT_BASE
165 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 KB for monitor */
168 #define CFG_MALLOC_LEN (2500 << 10) /* Reserve ~2.5 MB for malloc() */
170 #define CFG_MALLOC_LEN (384 << 10) /* Reserve 384 kB for malloc() */
171 #endif /* CONFIG_BZIP2 */
173 #define CFG_ALLOC_DPRAM 1 /* use allocation routines */
178 /*-----------------------------------------------------------------------
181 #define CFG_FLASH_BASE 0xFE000000
182 #define CFG_FLASH_CFI /* The flash is CFI compatible */
183 #define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */
184 #define CFG_MAX_FLASH_BANKS 1 /* Max number of flash banks */
185 #define CFG_MAX_FLASH_SECT 128 /* Max num of sects on one chip */
187 /* Environment is in flash */
188 #define CFG_ENV_IS_IN_FLASH
189 #define CFG_ENV_SECT_SIZE 0x40000 /* We use one complete sector */
190 #define CFG_ENV_ADDR (CFG_MONITOR_BASE + CFG_MONITOR_LEN)
192 #define CONFIG_ENV_OVERWRITE
194 /*-----------------------------------------------------------------------
195 * Cache Configuration
197 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
198 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
200 #ifdef CONFIG_CMD_DATE
201 # define CONFIG_RTC_DS3231
202 # define CFG_I2C_RTC_ADDR 0x68
205 /*-----------------------------------------------------------------------
208 #if defined(CONFIG_CMD_I2C)
209 /* enable I2C and select the hardware/software driver */
210 #undef CONFIG_HARD_I2C /* I2C with hardware support */
211 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
213 #define CFG_I2C_SPEED 93000 /* 93 kHz is supposed to work */
214 #define CFG_I2C_SLAVE 0xFE
216 #ifdef CONFIG_SOFT_I2C
218 * Software (bit-bang) I2C driver configuration
220 #define PB_SCL 0x00000020 /* PB 26 */
221 #define PB_SDA 0x00000010 /* PB 27 */
223 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
224 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
225 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
226 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
227 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
228 else immr->im_cpm.cp_pbdat &= ~PB_SDA
229 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
230 else immr->im_cpm.cp_pbdat &= ~PB_SCL
231 #define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */
232 #endif /* CONFIG_SOFT_I2C */
235 /*-----------------------------------------------------------------------
236 * SYPCR - System Protection Control 11-9
237 * SYPCR can only be written once after reset!
238 *-----------------------------------------------------------------------
239 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
241 #if defined(CONFIG_WATCHDOG)
242 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
243 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
245 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
248 /*-----------------------------------------------------------------------
249 * SIUMCR - SIU Module Configuration 11-6
250 *-----------------------------------------------------------------------
251 * PCMCIA config., multi-function pin tri-state
253 #define CFG_SIUMCR (SIUMCR_FRC)
255 /*-----------------------------------------------------------------------
256 * TBSCR - Time Base Status and Control 11-26
257 *-----------------------------------------------------------------------
258 * Clear Reference Interrupt Status, Timebase freezing enabled
260 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
262 /*-----------------------------------------------------------------------
263 * PISCR - Periodic Interrupt Status and Control 11-31
264 *-----------------------------------------------------------------------
265 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
267 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
269 /*-----------------------------------------------------------------------
270 * SCCR - System Clock and reset Control Register 15-27
271 *-----------------------------------------------------------------------
272 * Set clock output, timebase and RTC source and divider,
273 * power management and some other internal clocks
275 #define SCCR_MASK SCCR_EBDF11
276 /* #define CFG_SCCR SCCR_TBS */
277 #define CFG_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
278 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
281 /*-----------------------------------------------------------------------
282 * DER - Debug Enable Register
283 *-----------------------------------------------------------------------
284 * Set to zero to prevent the processor from entering debug mode
289 /* Because of the way the 860 starts up and assigns CS0 the entire
290 * address space, we have to set the memory controller differently.
291 * Normally, you write the option register first, and then enable the
292 * chip select by writing the base register. For CS0, you must write
293 * the base register first, followed by the option register.
298 * Init Memory Controller:
301 /* BR0 and OR0 (FLASH) */
302 #define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */
305 /* used to re-map FLASH both when starting from SRAM or FLASH:
306 * restrict access enough to keep SRAM working (if any)
307 * but not too much to meddle with FLASH accesses
309 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
310 #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
315 #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
316 OR_SCY_6_CLK | OR_EHTR | OR_BI)
318 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
319 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
320 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
326 #define CFG_SDRAM_BASE 0x00000000
327 #define CFG_SDRAM_BASE_PRELIM CFG_SDRAM_BASE
328 #define SDRAM_MAX_SIZE 0x4000000 /* max 64 MB */
330 #define CFG_PRELIM_OR1_AM 0xF0000000
331 /* #define CFG_OR1_TIMING OR_CSNT_SAM/\* | OR_G5LS /\\* *\\/ *\/ */
332 #define SDRAM_TIMING OR_SCY_0_CLK /* SDRAM-Timing */
334 #define CFG_OR1_PRELIM (CFG_PRELIM_OR1_AM | OR_CSNT_SAM | OR_G5LS | SDRAM_TIMING)
335 #define CFG_BR1_PRELIM ((CFG_SDRAM_BASE_PRELIM & BR_BA_MSK) | BR_MS_UPMB | BR_V)
337 /* #define CFG_OR1_FINAL ((CFG_OR1_AM & OR_AM_MSK) | CFG_OR1_TIMING) */
338 /* #define CFG_BR1_FINAL ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMB | BR_V) */
340 #define CFG_PTB_PER_CLK ((4096 * 16 * 1000) / (4 * 64))
341 #define CFG_PTA_PER_CLK 195
342 #define CFG_MBMR_PTB 195
343 #define CFG_MPTPR MPTPR_PTP_DIV16
346 #define CFG_MBMR_8COL ((CFG_MBMR_PTB << MBMR_PTB_SHIFT) | \
352 MBMR_TLFB_4X) /* 0x04804114 */ /* 0x10802114 */
354 #define CFG_MBMR_9COL ((CFG_MBMR_PTB << MBMR_PTB_SHIFT) | \
360 MBMR_TLFB_4X) /* 0x04804114 */ /* 0x10802114 */
364 * DSP Host Port Interface CS3
366 #define CFG_SPC1920_HPI_BASE 0x90000000
367 #define CFG_PRELIM_OR3_AM 0xF8000000
369 #define CFG_OR3 (CFG_PRELIM_OR3_AM | \
374 #define CFG_BR3 ((CFG_SPC1920_HPI_BASE & BR_BA_MSK) | \
379 #define CFG_MAMR (MAMR_GPL_A4DIS | \
383 #define CONFIG_SPC1920_HPI_TEST
385 #ifdef CONFIG_SPC1920_HPI_TEST
386 #define HPI_REG(x) (*((volatile u16 *) (CFG_SPC1920_HPI_BASE + x)))
387 #define HPI_HPIC_1 HPI_REG(0)
388 #define HPI_HPIC_2 HPI_REG(2)
389 #define HPI_HPIA_1 HPI_REG(0x2000008)
390 #define HPI_HPIA_2 HPI_REG(0x2000008 + 2)
391 #define HPI_HPID_INC_1 HPI_REG(0x1000004)
392 #define HPI_HPID_INC_2 HPI_REG(0x1000004 + 2)
393 #define HPI_HPID_NOINC_1 HPI_REG(0x300000c)
394 #define HPI_HPID_NOINC_2 HPI_REG(0x300000c + 2)
395 #endif /* CONFIG_SPC1920_HPI_TEST */
398 * Ramtron FM18L08 FRAM 32KB on CS4
400 #define CFG_SPC1920_FRAM_BASE 0x80100000
401 #define CFG_PRELIM_OR4_AM 0xffff8000
402 #define CFG_OR4 (CFG_PRELIM_OR4_AM | \
408 #define CFG_BR4 ((CFG_SPC1920_FRAM_BASE & BR_BA_MSK) | BR_PS_8 | BR_V);
413 #define CFG_SPC1920_PLD_BASE 0x80000000
414 #define CFG_PRELIM_OR5_AM 0xffff8000
416 #define CFG_OR5_PRELIM (CFG_PRELIM_OR5_AM | \
423 #define CFG_BR5_PRELIM ((CFG_SPC1920_PLD_BASE & BR_BA_MSK) | BR_PS_8 | BR_V);
426 * Internal Definitions
430 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
431 #define BOOTFLAG_WARM 0x02 /* Software reboot */
433 #endif /* __CONFIG_H */