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_PRE_INIT 1 /* do special hardware init. */
44 #define CONFIG_MISC_INIT_R 1
46 #define CONFIG_8xx_GCLK_FREQ MPC8XX_SPEED
47 #undef CONFIG_8xx_CONS_SMC1
48 #define CONFIG_8xx_CONS_SMC2 1 /* Console is on SMC2 */
49 #undef CONFIG_8xx_CONS_NONE
50 #define CONFIG_BAUDRATE 9600
51 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
53 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
55 #define CONFIG_ENV_OVERWRITE 1
56 #define CONFIG_ETHADDR 00:00:5b:ee:de:ad
58 #undef CONFIG_BOOTARGS
59 #define CONFIG_BOOTCOMMAND \
61 "setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
62 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \
65 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
66 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
68 #undef CONFIG_WATCHDOG /* watchdog disabled */
69 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
71 #undef CONFIG_UCODE_PATCH
73 /* enable I2C and select the hardware/software driver */
74 #undef CONFIG_HARD_I2C /* I2C with hardware support */
75 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
77 * Software (bit-bang) I2C driver configuration
79 #define PB_SCL 0x00000020 /* PB 26 */
80 #define PB_SDA 0x00000010 /* PB 27 */
82 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
83 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
84 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
85 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
86 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
87 else immr->im_cpm.cp_pbdat &= ~PB_SDA
88 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
89 else immr->im_cpm.cp_pbdat &= ~PB_SCL
90 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
92 #define CFG_I2C_SPEED 50000
93 #define CFG_I2C_SLAVE 0xFE
94 #define CFG_I2C_EEPROM_ADDR 0x50 /* EEPROM X24C04 */
95 #define CFG_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */
96 /* mask of address bits that overflow into the "EEPROM chip address" */
97 #define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x07
98 #define CFG_EEPROM_PAGE_WRITE_BITS 3
99 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10
101 #define LCD_VIDEO_ADDR (SDRAM_MAX_SIZE-SDRAM_RES_SIZE)
102 #define LCD_VIDEO_SIZE SDRAM_RES_SIZE /* 2MB */
103 #define LCD_VIDEO_COLS 640
104 #define LCD_VIDEO_ROWS 480
105 #define LCD_VIDEO_FG 255
106 #define LCD_VIDEO_BG 0
108 #undef CONFIG_VIDEO /* test only ! s.a devices.c and 8xx */
109 #define CONFIG_CFB_CONSOLE /* framebuffer console with std input */
110 #define CONFIG_VIDEO_LOGO
112 #define VIDEO_KBD_INIT_FCT 0 /* no KBD dev on MHPC - use serial */
113 #define VIDEO_TSTC_FCT serial_tstc
114 #define VIDEO_GETC_FCT serial_getc
116 #define CONFIG_BR0_WORKAROUND 1
118 #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
126 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
128 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
129 #include <cmd_confdefs.h>
132 * Miscellaneous configurable options
134 #define CFG_LONGHELP /* undef to save memory */
135 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
136 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
137 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
139 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
141 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
142 #define CFG_MAXARGS 16 /* max number of command args */
143 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
145 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
146 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
148 #define CFG_LOAD_ADDR 0x300000 /* default load address */
150 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
152 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
155 * Low Level Configuration Settings
156 * (address mappings, register initial values, etc.)
157 * You should know what you are doing if you make changes here.
160 /*-----------------------------------------------------------------------
161 * Physical memory map
163 #define CFG_IMMR 0xFFF00000 /* Internal Memory Mapped Register*/
165 /*-----------------------------------------------------------------------
166 * Definitions for initial stack pointer and data area (in DPRAM)
168 #define CFG_INIT_RAM_ADDR CFG_IMMR
169 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
170 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
171 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
172 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
174 /*-----------------------------------------------------------------------
175 * Start addresses for the final memory configuration
176 * (Set up by the startup code)
177 * Please note that CFG_SDRAM_BASE _must_ start at 0
179 #define CFG_SDRAM_BASE 0x00000000
180 #define CFG_FLASH_BASE 0xfe000000
182 #define CFG_MONITOR_LEN 0x40000 /* Reserve 256 kB for Monitor */
183 #undef CFG_MONITOR_BASE /* to run U-Boot from RAM */
184 #define CFG_MONITOR_BASE CFG_FLASH_BASE
185 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
187 #define CFG_JFFS2_FIRST_BANK 0 /* use for JFFS2 */
188 #define CFG_JFFS2_NUM_BANKS 1 /* one flash only */
191 * For booting Linux, the board info and command line data
192 * have to be in the first 8 MB of memory, since this is
193 * the maximum mapped by the Linux kernel during initialization.
195 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map- for Linux */
197 /*-----------------------------------------------------------------------
200 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
201 #define CFG_MAX_FLASH_SECT 64 /* max number of sectors on one chip */
203 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
204 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
205 #define CFG_ENV_IS_IN_FLASH 1
206 #define CFG_ENV_OFFSET CFG_MONITOR_LEN /* Offset of Environment */
207 #define CFG_ENV_SIZE 0x20000 /* Total Size of Environment */
209 /*-----------------------------------------------------------------------
210 * Cache Configuration
212 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
213 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
214 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
217 /*-----------------------------------------------------------------------
218 * SYPCR - System Protection Control 11-9
219 * SYPCR can only be written once after reset!
220 *-----------------------------------------------------------------------
221 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
223 #if defined(CONFIG_WATCHDOG)
224 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
225 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
227 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
231 /*-----------------------------------------------------------------------
232 * SIUMCR - SIU Module Configuration 11-6
233 *-----------------------------------------------------------------------
234 * PCMCIA config., multi-function pin tri-state
236 #define CFG_SIUMCR (SIUMCR_SEME)
238 /*-----------------------------------------------------------------------
239 * TBSCR - Time Base Status and Control 11-26
240 *-----------------------------------------------------------------------
241 * Clear Reference Interrupt Status, Timebase freezing enabled
243 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
245 /*-----------------------------------------------------------------------
246 * PISCR - Periodic Interrupt Status and Control 11-31
247 *-----------------------------------------------------------------------
248 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
250 #define CFG_PISCR (PISCR_PS | PISCR_PITF | PISCR_PTE)
252 /*-----------------------------------------------------------------------
253 * RTCSC - Real-Time Clock Status and Control Register 12-18
254 *-----------------------------------------------------------------------
256 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
258 /*-----------------------------------------------------------------------
259 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
260 *-----------------------------------------------------------------------
261 * Reset PLL lock status sticky bit, timer expired status bit and timer
262 * interrupt status bit - leave PLL multiplication factor unchanged !
264 #define MPC8XX_SPEED 50000000L
265 #define MPC8XX_XIN 5000000L /* ref clk */
266 #define MPC8XX_FACT (MPC8XX_SPEED/MPC8XX_XIN)
267 #define CFG_PLPRCR (((MPC8XX_FACT-1) << PLPRCR_MF_SHIFT) | \
268 PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
270 /*-----------------------------------------------------------------------
271 * SCCR - System Clock and reset Control Register 15-27
272 *-----------------------------------------------------------------------
273 * Set clock output, timebase and RTC source and divider,
274 * power management and some other internal clocks
277 #define SCCR_MASK (SCCR_RTDIV | SCCR_RTSEL) /* SCCR_EBDF11 */
278 #define CFG_SCCR (SCCR_TBS | SCCR_DFLCD001)
281 /*-----------------------------------------------------------------------
282 * MAMR settings for SDRAM - 16-14
284 *-----------------------------------------------------------------------
285 * periodic timer for refresh
287 #define CFG_MAMR_PTA 0xC0
288 #define CFG_MAMR ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | MAMR_G0CLA_A11 | MAMR_TLFA_MSK)
291 * BR0 and OR0 (FLASH) used to re-map FLASH
294 /* allow for max 8 MB of Flash */
295 #define FLASH_BASE 0xFE000000 /* FLASH bank #0*/
296 #define FLASH_BASE0_PRELIM 0xFE000000 /* FLASH bank #0*/
297 #define CFG_REMAP_OR_AM 0xFF800000 /* OR addr mask */
298 #define CFG_PRELIM_OR_AM 0xFF800000 /* OR addr mask */
300 #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_BI | OR_SCY_8_CLK) /* (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | OR_SCY_6_CLK)*/
302 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
303 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
304 #define CFG_BR0_PRELIM ((FLASH_BASE & BR_BA_MSK) | BR_PS_16 | BR_MS_GPCM | BR_V )
307 * BR1 and OR1 (SDRAM)
309 #define SDRAM_BASE1_PRELIM 0x00000000 /* SDRAM bank #0 */
310 #define SDRAM_MAX_SIZE 0x01000000 /* max 16 MB */
311 #define SDRAM_RES_SIZE 0x00200000 /* 2 MB for framebuffer */
313 /* SDRAM timing: drive GPL5 high on first cycle */
314 #define CFG_OR_TIMING_SDRAM (OR_G5LS)
316 #define CFG_OR1_PRELIM ((~(SDRAM_MAX_SIZE)+1)| CFG_OR_TIMING_SDRAM )
317 #define CFG_BR1_PRELIM ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
322 #define CFG_OR2 (OR_ACS_DIV4)
323 #define CFG_BR2 (BR_MS_UPMA)
328 #define CFG_OR3 (OR_ACS_DIV4)
329 #define CFG_BR3 (BR_MS_UPMA)
356 /*-----------------------------------------------------------------------
358 *-----------------------------------------------------------------------
364 * Internal Definitions
368 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
369 #define BOOTFLAG_WARM 0x02 /* Software reboot */
371 #endif /* __CONFIG_H */