2 * (C) Copyright 2001, 2002
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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 * board/config.h - configuration options, board specific
31 #include <mpc8xx_irq.h>
35 # warning DEBUG Defined
39 * High Level Configuration Options
42 #define CONFIG_MPC860 1
43 #define CONFIG_IAD210 1 /* ...on a IAD210 module */
44 #define CONFIG_MPC860T 1
45 #define CONFIG_MPC862 1
47 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
49 #undef CONFIG_8xx_CONS_SMC1
50 #undef CONFIG_8xx_CONS_SMC2
51 #define CONFIG_8xx_CONS_SCC2 /* V24 on SCC2 */
52 #undef CONFIG_8xx_CONS_NONE
53 #define CONFIG_BAUDRATE 9600
56 # define MPC8XX_FACT 16
57 # define CONFIG_8xx_GCLK_FREQ (64000000L) /* define if can't use get_gclk_freq */
58 # define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
61 # define CONFIG_BOOTDELAY -1 /* autoboot disabled */
63 # define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
66 #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo"
68 /* using this define saves us updating another source file */
69 #define CONFIG_BOARD_EARLY_INIT_F 1
70 #define CONFIG_MISC_INIT_R
72 #undef CONFIG_BOOTARGS
73 /* #define CONFIG_BOOTCOMMAND \
75 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
76 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off;" \
80 #define CONFIG_BOOTCOMMAND \
81 "setenv bootargs root=/dev/nfs" \
82 "ip=192.168.28.129:139.10.137.138:192.168.28.1:255.255.255.0:iadlinux002::off; " \
84 #undef CONFIG_WATCHDOG /* watchdog disabled */
86 /* #define CONFIG_STATUS_LED 1*/ /* Status LED enabled */
91 #define CONFIG_BOOTP_SUBNETMASK
92 #define CONFIG_BOOTP_GATEWAY
93 #define CONFIG_BOOTP_HOSTNAME
94 #define CONFIG_BOOTP_BOOTPATH
95 #define CONFIG_BOOTP_BOOTFILESIZE
98 # undef CONFIG_SCC1_ENET /* disable SCC1 ethernet */
99 # define CONFIG_FEC_ENET 1 /* use FEC ethernet */
100 # define CONFIG_MII 1
101 # define CONFIG_SYS_DISCOVER_PHY 1
102 # define CONFIG_FEC_UTOPIA 1
103 # define CONFIG_ETHADDR 08:00:06:26:A2:6D
104 # define CONFIG_IPADDR 192.168.28.128
105 # define CONFIG_SERVERIP 139.10.137.138
106 # define CONFIG_SYS_DISCOVER_PHY 1
108 #define CONFIG_MAC_PARTITION
109 #define CONFIG_DOS_PARTITION
111 /* enable I2C and select the hardware/software driver */
112 #undef CONFIG_HARD_I2C /* I2C with hardware support */
113 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
114 # define CONFIG_SYS_I2C_SPEED 50000
115 # define CONFIG_SYS_I2C_SLAVE 0xDD
116 # define CONFIG_SYS_I2C_EEPROM_ADDR 0x50
118 * Software (bit-bang) I2C driver configuration
120 #define PB_SCL 0x00000020 /* PB 26 */
121 #define PB_SDA 0x00000010 /* PB 27 */
123 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
124 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
125 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
126 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
127 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
128 else immr->im_cpm.cp_pbdat &= ~PB_SDA
129 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
130 else immr->im_cpm.cp_pbdat &= ~PB_SCL
131 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
133 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
137 * Command line configuration.
139 #include <config_cmd_default.h>
141 #define CONFIG_CMD_ASKENV
142 #define CONFIG_CMD_DHCP
143 #define CONFIG_CMD_DATE
147 * Miscellaneous configurable options
149 #define CONFIG_SYS_LONGHELP /* undef to save memory */
150 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
151 #if defined(CONFIG_CMD_KGDB)
152 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
154 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
156 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
157 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
158 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
160 #define CONFIG_SYS_MEMTEST_START 0x0100000 /* memtest works on */
161 #define CONFIG_SYS_MEMTEST_END 0x0400000 /* 1 ... 4 MB in DRAM */
163 #define CONFIG_SYS_LOAD_ADDR 0x00100000
165 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
167 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
170 * Low Level Configuration Settings
171 * (address mappings, register initial values, etc.)
172 * You should know what you are doing if you make changes here.
174 /*-----------------------------------------------------------------------
175 * Internal Memory Mapped Register
177 #define CONFIG_SYS_IMMR 0xFFF00000
178 #define CONFIG_SYS_IMMR_SIZE ((uint)(64 * 1024))
180 /*-----------------------------------------------------------------------
181 * Definitions for initial stack pointer and data area (in DPRAM)
183 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
184 #define CONFIG_SYS_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
185 #define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
186 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
187 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
189 /*-----------------------------------------------------------------------
190 * Start addresses for the final memory configuration
191 * (Set up by the startup code)
192 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
194 #define CONFIG_SYS_SDRAM_BASE 0x00000000
195 #define CONFIG_SYS_FLASH_BASE 0x08000000
196 #define CONFIG_SYS_FLASH_SIZE ((uint)(4 * 1024 * 1024)) /* max 16Mbyte */
198 #define CONFIG_SYS_RESET_ADDRESS 0xFFF00100
201 # define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
203 # define CONFIG_SYS_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
206 # define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
207 # define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
210 * For booting Linux, the board info and command line data
211 * have to be in the first 8 MB of memory, since this is
212 * the maximum mapped by the Linux kernel during initialization.
214 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
215 /*-----------------------------------------------------------------------
218 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
219 #define CONFIG_SYS_MAX_FLASH_SECT 67 /* max number of sectors on one chip */
221 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
222 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
224 #define CONFIG_ENV_IS_IN_FLASH 1
225 #define CONFIG_ENV_OFFSET 0x8000
226 #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
228 /*-----------------------------------------------------------------------
229 * Cache Configuration
231 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
232 #if defined(CONFIG_CMD_KGDB)
233 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
236 /*-----------------------------------------------------------------------
237 * SYPCR - System Protection Control 11-9
238 * SYPCR can only be written once after reset!
239 *-----------------------------------------------------------------------
240 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
242 #if defined(CONFIG_WATCHDOG)
243 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
244 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
246 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
249 /*-----------------------------------------------------------------------
250 * SIUMCR - SIU Module Configuration 11-6
251 *-----------------------------------------------------------------------
252 * PCMCIA config., multi-function pin tri-state
254 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
256 /*-----------------------------------------------------------------------
257 * TBSCR - Time Base Status and Control 11-26
258 *-----------------------------------------------------------------------
259 * Clear Reference Interrupt Status, Timebase freezing enabled
261 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
263 /*-----------------------------------------------------------------------
264 * PISCR - Periodic Interrupt Status and Control 11-31
265 *-----------------------------------------------------------------------
266 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
268 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
270 /*-----------------------------------------------------------------------
271 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
272 *-----------------------------------------------------------------------
273 * set the PLL, the low-power modes and the reset control (15-29)
275 #define CONFIG_SYS_PLPRCR (((MPC8XX_FACT-1) << PLPRCR_MF_SHIFT) | \
276 PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
278 /*-----------------------------------------------------------------------
279 * SCCR - System Clock and reset Control Register 15-27
280 *-----------------------------------------------------------------------
281 * Set clock output, timebase and RTC source and divider,
282 * power management and some other internal clocks
284 #define SCCR_MASK SCCR_EBDF11
286 #define CONFIG_SYS_SCCR (SCCR_TBS | SCCR_COM00 | SCCR_DFSYNC00 | \
287 SCCR_DFBRG00 | SCCR_DFNL000 | SCCR_DFNH000 | \
288 SCCR_DFLCD000 |SCCR_DFALCD00 )
290 /*-----------------------------------------------------------------------
291 * RCCR - RISC Controller Configuration Register 19-4
292 *-----------------------------------------------------------------------
294 /* +0x09C4 => DRQP = 10 (IDMA requests have lowest priority) */
295 #define CONFIG_SYS_RCCR 0x0020
297 /*-----------------------------------------------------------------------
299 *-----------------------------------------------------------------------
301 #define PCMCIA_MEM_ADDR ((uint)0xff020000)
302 #define PCMCIA_MEM_SIZE ((uint)(64 * 1024))
304 /*-----------------------------------------------------------------------
306 *-----------------------------------------------------------------------
309 #define CONFIG_SYS_DER 0
311 /* Because of the way the 860 starts up and assigns CS0 the
312 * entire address space, we have to set the memory controller
313 * differently. Normally, you write the option register
314 * first, and then enable the chip select by writing the
315 * base register. For CS0, you must write the base register
316 * first, followed by the option register.
320 * Init Memory Controller:
322 * BR0 and OR0 (FLASH)
325 #define FLASH_BASE0_PRELIM CONFIG_SYS_FLASH_BASE /* FLASH bank #0 */
327 /* used to re-map FLASH both when starting from SRAM or FLASH:
328 * restrict access enough to keep SRAM working (if any)
329 * but not too much to meddle with FLASH accesses
331 #define CONFIG_SYS_REMAP_OR_AM 0xF8000000 /* OR addr mask */
332 #define CONFIG_SYS_PRELIM_OR_AM 0xF8000000 /* OR addr mask */
335 TRLX = 0, CSNT = 1, SCY = 3, EHTR = 1 */
336 #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_BI | \
337 OR_SCY_3_CLK | OR_EHTR)
339 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
340 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
343 * BR2/3 and OR2/3 (SDRAM)
346 #define SDRAM_BASE_PRELIM 0x00000000 /* SDRAM bank #0 */
347 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
349 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
351 #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | OR_CSNT_SAM | OR_BI | OR_ACS_DIV4)
352 #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
353 #define CONFIG_SYS_BR1_PRELIM ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V)
356 * Memory Periodic Timer Prescaler
359 /* periodic timer for refresh */
360 #define CONFIG_SYS_MAMR_PTA 124 /* start with divider for 64 MHz */
362 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
363 #define CONFIG_SYS_MPTPR MPTPR_PTP_DIV32 /* setting for 1 bank */
366 * MAMR settings for SDRAM
369 #define CONFIG_SYS_MAMR ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
370 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
371 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_8X)
375 * Internal Definitions
379 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
380 #define BOOTFLAG_WARM 0x02 /* Software reboot */
382 #ifdef CONFIG_MPC860T
384 /* Interrupt level assignments.
386 #define FEC_INTERRUPT SIU_LEVEL1 /* FEC interrupt */
388 #endif /* CONFIG_MPC860T */
391 #endif /* __CONFIG_H */