3 * Frank Gottschling, ELTEC Elektronik AG, fgottschling@eltec.de
6 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
8 * Configuation settings for the miniHiPerCam.
10 * -----------------------------------------------------------------
11 * See file CREDITS for list of people who contributed to this
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of
17 * the License, or (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
31 * board/config.h - configuration options, board specific
38 * High Level Configuration Options
41 #define CONFIG_MPC823 1 /* This is a MPC823 CPU */
42 #define CONFIG_MHPC 1 /* on a miniHiPerCam */
43 #define CONFIG_BOARD_EARLY_INIT_F 1 /* do special hardware init. */
44 #define CONFIG_MISC_INIT_R 1
46 #define CONFIG_SYS_TEXT_BASE 0xfe000000
48 #define CONFIG_8xx_GCLK_FREQ MPC8XX_SPEED
49 #undef CONFIG_8xx_CONS_SMC1
50 #define CONFIG_8xx_CONS_SMC2 1 /* Console is on SMC2 */
51 #undef CONFIG_8xx_CONS_NONE
52 #define CONFIG_BAUDRATE 9600
53 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
55 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
57 #define CONFIG_ENV_OVERWRITE 1
58 #define CONFIG_ETHADDR 00:00:5b:ee:de:ad
60 #undef CONFIG_BOOTARGS
61 #define CONFIG_BOOTCOMMAND \
63 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
64 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off;" \
67 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
68 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
70 #undef CONFIG_WATCHDOG /* watchdog disabled */
71 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
73 #undef CONFIG_UCODE_PATCH
75 /* enable I2C and select the hardware/software driver */
76 #undef CONFIG_HARD_I2C /* I2C with hardware support */
77 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
79 * Software (bit-bang) I2C driver configuration
81 #define PB_SCL 0x00000020 /* PB 26 */
82 #define PB_SDA 0x00000010 /* PB 27 */
84 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
85 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
86 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
87 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
88 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
89 else immr->im_cpm.cp_pbdat &= ~PB_SDA
90 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
91 else immr->im_cpm.cp_pbdat &= ~PB_SCL
92 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
94 #define CONFIG_SYS_I2C_SPEED 50000
95 #define CONFIG_SYS_I2C_SLAVE 0xFE
96 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* EEPROM X24C04 */
97 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */
98 /* mask of address bits that overflow into the "EEPROM chip address" */
99 #define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW 0x07
100 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3
101 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10
103 #define LCD_VIDEO_ADDR (SDRAM_MAX_SIZE-SDRAM_RES_SIZE)
104 #define LCD_VIDEO_SIZE SDRAM_RES_SIZE /* 2MB */
105 #define LCD_VIDEO_COLS 640
106 #define LCD_VIDEO_ROWS 480
107 #define LCD_VIDEO_FG 255
108 #define LCD_VIDEO_BG 0
110 #undef CONFIG_VIDEO /* test only ! s.a devices.c and 8xx */
111 #define CONFIG_CFB_CONSOLE /* framebuffer console with std input */
112 #define CONFIG_VIDEO_LOGO
114 #define VIDEO_KBD_INIT_FCT 0 /* no KBD dev on MHPC - use serial */
115 #define VIDEO_TSTC_FCT serial_tstc
116 #define VIDEO_GETC_FCT serial_getc
118 #define CONFIG_BR0_WORKAROUND 1
122 * Command line configuration.
124 #include <config_cmd_default.h>
126 #define CONFIG_CMD_DATE
127 #define CONFIG_CMD_EEPROM
128 #define CONFIG_CMD_ELF
129 #define CONFIG_CMD_I2C
130 #define CONFIG_CMD_JFFS2
131 #define CONFIG_CMD_REGINFO
137 #define CONFIG_BOOTP_SUBNETMASK
138 #define CONFIG_BOOTP_GATEWAY
139 #define CONFIG_BOOTP_HOSTNAME
140 #define CONFIG_BOOTP_BOOTPATH
141 #define CONFIG_BOOTP_BOOTFILESIZE
145 * Miscellaneous configurable options
147 #define CONFIG_SYS_LONGHELP /* undef to save memory */
148 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
149 #if defined(CONFIG_CMD_KGDB)
150 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
152 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
154 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
155 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
156 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
158 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
159 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
161 #define CONFIG_SYS_LOAD_ADDR 0x300000 /* default load address */
163 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
166 * Low Level Configuration Settings
167 * (address mappings, register initial values, etc.)
168 * You should know what you are doing if you make changes here.
171 /*-----------------------------------------------------------------------
172 * Physical memory map
174 #define CONFIG_SYS_IMMR 0xFFF00000 /* Internal Memory Mapped Register*/
176 /*-----------------------------------------------------------------------
177 * Definitions for initial stack pointer and data area (in DPRAM)
179 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
180 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
181 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
182 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
184 /*-----------------------------------------------------------------------
185 * Start addresses for the final memory configuration
186 * (Set up by the startup code)
187 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
189 #define CONFIG_SYS_SDRAM_BASE 0x00000000
190 #define CONFIG_SYS_FLASH_BASE 0xfe000000
192 #define CONFIG_SYS_MONITOR_LEN 0x40000 /* Reserve 256 kB for Monitor */
193 #undef CONFIG_SYS_MONITOR_BASE /* to run U-Boot from RAM */
194 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
195 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
201 /* No command line, one static partition, whole device */
202 #undef CONFIG_CMD_MTDPARTS
203 #define CONFIG_JFFS2_DEV "nor0"
204 #define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF
205 #define CONFIG_JFFS2_PART_OFFSET 0x00000000
207 /* mtdparts command line support */
208 /* Note: fake mtd_id used, no linux mtd map file */
210 #define CONFIG_CMD_MTDPARTS
211 #define MTDIDS_DEFAULT "nor0=mhpc-0"
212 #define MTDPARTS_DEFAULT "mtdparts=mhpc-0:-(jffs2)"
216 * For booting Linux, the board info and command line data
217 * have to be in the first 8 MB of memory, since this is
218 * the maximum mapped by the Linux kernel during initialization.
220 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map- for Linux */
222 /*-----------------------------------------------------------------------
225 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
226 #define CONFIG_SYS_MAX_FLASH_SECT 64 /* max number of sectors on one chip */
228 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
229 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
230 #define CONFIG_ENV_IS_IN_FLASH 1
231 #define CONFIG_ENV_OFFSET CONFIG_SYS_MONITOR_LEN /* Offset of Environment */
232 #define CONFIG_ENV_SIZE 0x20000 /* Total Size of Environment */
234 /*-----------------------------------------------------------------------
235 * Cache Configuration
237 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
238 #if defined(CONFIG_CMD_KGDB)
239 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
242 /*-----------------------------------------------------------------------
243 * SYPCR - System Protection Control 11-9
244 * SYPCR can only be written once after reset!
245 *-----------------------------------------------------------------------
246 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
248 #if defined(CONFIG_WATCHDOG)
249 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
250 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
252 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
256 /*-----------------------------------------------------------------------
257 * SIUMCR - SIU Module Configuration 11-6
258 *-----------------------------------------------------------------------
259 * PCMCIA config., multi-function pin tri-state
261 #define CONFIG_SYS_SIUMCR (SIUMCR_SEME)
263 /*-----------------------------------------------------------------------
264 * TBSCR - Time Base Status and Control 11-26
265 *-----------------------------------------------------------------------
266 * Clear Reference Interrupt Status, Timebase freezing enabled
268 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
270 /*-----------------------------------------------------------------------
271 * PISCR - Periodic Interrupt Status and Control 11-31
272 *-----------------------------------------------------------------------
273 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
275 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF | PISCR_PTE)
277 /*-----------------------------------------------------------------------
278 * RTCSC - Real-Time Clock Status and Control Register 12-18
279 *-----------------------------------------------------------------------
281 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
283 /*-----------------------------------------------------------------------
284 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
285 *-----------------------------------------------------------------------
286 * Reset PLL lock status sticky bit, timer expired status bit and timer
287 * interrupt status bit - leave PLL multiplication factor unchanged !
289 #define MPC8XX_SPEED 50000000L
290 #define MPC8XX_XIN 5000000L /* ref clk */
291 #define MPC8XX_FACT (MPC8XX_SPEED/MPC8XX_XIN)
292 #define CONFIG_SYS_PLPRCR (((MPC8XX_FACT-1) << PLPRCR_MF_SHIFT) | \
293 PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
295 /*-----------------------------------------------------------------------
296 * SCCR - System Clock and reset Control Register 15-27
297 *-----------------------------------------------------------------------
298 * Set clock output, timebase and RTC source and divider,
299 * power management and some other internal clocks
302 #define SCCR_MASK (SCCR_RTDIV | SCCR_RTSEL) /* SCCR_EBDF11 */
303 #define CONFIG_SYS_SCCR (SCCR_TBS | SCCR_DFLCD001)
306 /*-----------------------------------------------------------------------
307 * MAMR settings for SDRAM - 16-14
309 *-----------------------------------------------------------------------
310 * periodic timer for refresh
312 #define CONFIG_SYS_MAMR_PTA 0xC0
313 #define CONFIG_SYS_MAMR ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | MAMR_G0CLA_A11 | MAMR_TLFA_MSK)
316 * BR0 and OR0 (FLASH) used to re-map FLASH
319 /* allow for max 8 MB of Flash */
320 #define FLASH_BASE 0xFE000000 /* FLASH bank #0*/
321 #define FLASH_BASE0_PRELIM 0xFE000000 /* FLASH bank #0*/
322 #define CONFIG_SYS_REMAP_OR_AM 0xFF800000 /* OR addr mask */
323 #define CONFIG_SYS_PRELIM_OR_AM 0xFF800000 /* OR addr mask */
325 #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_BI | OR_SCY_8_CLK) /* (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | OR_SCY_6_CLK)*/
327 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
328 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
329 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE & BR_BA_MSK) | BR_PS_16 | BR_MS_GPCM | BR_V )
332 * BR1 and OR1 (SDRAM)
334 #define SDRAM_BASE1_PRELIM 0x00000000 /* SDRAM bank #0 */
335 #define SDRAM_MAX_SIZE 0x01000000 /* max 16 MB */
336 #define SDRAM_RES_SIZE 0x00200000 /* 2 MB for framebuffer */
338 /* SDRAM timing: drive GPL5 high on first cycle */
339 #define CONFIG_SYS_OR_TIMING_SDRAM (OR_G5LS)
341 #define CONFIG_SYS_OR1_PRELIM ((~(SDRAM_MAX_SIZE)+1)| CONFIG_SYS_OR_TIMING_SDRAM )
342 #define CONFIG_SYS_BR1_PRELIM ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
347 #define CONFIG_SYS_OR2 (OR_ACS_DIV4)
348 #define CONFIG_SYS_BR2 (BR_MS_UPMA)
353 #define CONFIG_SYS_OR3 (OR_ACS_DIV4)
354 #define CONFIG_SYS_BR3 (BR_MS_UPMA)
359 #define CONFIG_SYS_OR4 0
360 #define CONFIG_SYS_BR4 0
365 #define CONFIG_SYS_OR5 0
366 #define CONFIG_SYS_BR5 0
371 #define CONFIG_SYS_OR6 0
372 #define CONFIG_SYS_BR6 0
377 #define CONFIG_SYS_OR7 0
378 #define CONFIG_SYS_BR7 0
381 /*-----------------------------------------------------------------------
383 *-----------------------------------------------------------------------
386 #define CONFIG_SYS_DER 0
388 #endif /* __CONFIG_H */