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
32 * High Level Configuration Options
36 #define CONFIG_MPC850 1 /* This is a MPC850 CPU */
37 #define CONFIG_ESTEEM192E 1 /* ...on a EST ESTEEM192E */
39 #define CONFIG_FLASH_16BIT 1 /* Rom 16 bit data bus */
41 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
42 #undef CONFIG_8xx_CONS_SMC2
43 #undef CONFIG_8xx_CONS_NONE
45 #define MPC8XX_FACT 10 /* Multiply by 10 */
46 #define MPC8XX_XIN 4915200 /* 4.915200 MHz in - ??? - XXX */
47 #define CONFIG_SYS_PLPRCR_MF ((MPC8XX_FACT-1) << 20)
48 #define MPC8XX_HZ ((MPC8XX_XIN) * (MPC8XX_FACT)) /* 49,152,000 Hz */
50 #define CONFIG_8xx_GCLK_FREQ MPC8XX_HZ /* Force it - dont measure it */
52 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
54 #define CONFIG_BAUDRATE 9600
56 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
58 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
60 #define CONFIG_BOOTCOMMAND "bootm 40030000" /* autoboot command */
62 #define CONFIG_BOOTARGS "root=/dev/ram rw ramdisk=8192 " \
63 "ip=100.100.100.21:100.100.100.14:100.100.100.1:255.0.0.0 "
65 * Miscellaneous configurable options
68 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
69 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
71 #undef CONFIG_WATCHDOG /* watchdog disabled */
76 #define CONFIG_BOOTP_SUBNETMASK
77 #define CONFIG_BOOTP_GATEWAY
78 #define CONFIG_BOOTP_HOSTNAME
79 #define CONFIG_BOOTP_BOOTPATH
80 #define CONFIG_BOOTP_BOOTFILESIZE
84 * Command line configuration.
86 #include <config_cmd_default.h>
89 #define CONFIG_SYS_LONGHELP /* undef to save memory */
90 #define CONFIG_SYS_PROMPT "BOOT: " /* Monitor Command Prompt */
91 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
92 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
93 #define CONFIG_SYS_MAXARGS 8 /* max number of command args */
94 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
96 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
97 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
99 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
101 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
104 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
108 * Low Level Configuration Settings
109 * (address mappings, register initial values, etc.)
110 * You should know what you are doing if you make changes here.
112 /*-----------------------------------------------------------------------
113 * Internal Memory Mapped Register
115 #define CONFIG_SYS_IMMR 0xFF000000
117 /*-----------------------------------------------------------------------
118 * Definitions for initial stack pointer and data area (in DPRAM)
120 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
121 #define CONFIG_SYS_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
122 #define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
123 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
124 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
127 /*-----------------------------------------------------------------------
128 * Start addresses for the final memory configuration
129 * (Set up by the startup code)
130 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
132 #define CONFIG_SYS_SDRAM_BASE 0x00000000
133 #define CONFIG_SYS_FLASH_BASE 0x40000000
135 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
137 #define CONFIG_SYS_MONITOR_LEN (128 << 10) /* Reserve 128 kB for Monitor */
139 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
140 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
143 * For booting Linux, the board info and command line data
144 * have to be in the first 8 MB of memory, since this is
145 * the maximum mapped by the Linux kernel during initialization.
147 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
148 /*-----------------------------------------------------------------------
151 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
152 #define CONFIG_SYS_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
154 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
155 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
157 #define CONFIG_ENV_IS_IN_FLASH 1
158 #define CONFIG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
159 #define CONFIG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */
160 /*-----------------------------------------------------------------------
161 * Cache Configuration
163 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
165 /*-----------------------------------------------------------------------
166 * SYPCR - System Protection Control 11-9
167 * SYPCR can only be written once after reset!
168 *-----------------------------------------------------------------------
169 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
171 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
173 /*-----------------------------------------------------------------------
174 * SUMCR - SIU Module Configuration 11-6
175 *-----------------------------------------------------------------------
176 * PCMCIA config., multi-function pin tri-state
178 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) /* DBGC00 */
180 /*-----------------------------------------------------------------------
181 * TBSCR - Time Base Status and Control 11-26
182 *-----------------------------------------------------------------------
183 * Clear Reference Interrupt Status, Timebase freezing enabled
185 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF | TBSCR_TBE)
187 /* (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) */
190 /*-----------------------------------------------------------------------
191 * PISCR - Periodic Interrupt Status and Control 11-31
192 *-----------------------------------------------------------------------
193 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
195 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
197 /*-----------------------------------------------------------------------
198 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
199 *-----------------------------------------------------------------------
200 * Reset PLL lock status sticky bit, timer expired status bit and timer
201 * interrupt status bit - leave PLL multiplication factor unchanged !
203 #define CONFIG_SYS_PLPRCR (CONFIG_SYS_PLPRCR_MF | PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
205 /*-----------------------------------------------------------------------
206 * SCCR - System Clock and reset Control Register 15-27
207 *-----------------------------------------------------------------------
208 * Set clock output, timebase and RTC source and divider,
209 * power management and some other internal clocks
211 #define SCCR_MASK SCCR_EBDF11
212 #define CONFIG_SYS_SCCR (SCCR_TBS | \
213 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
214 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
217 /*-----------------------------------------------------------------------
219 *-----------------------------------------------------------------------
222 #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
223 #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
224 #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
225 #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
226 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
227 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
228 #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
229 #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
231 #define CONFIG_SYS_PCMCIA_INTERRUPT SIU_LEVEL6
233 /*-----------------------------------------------------------------------
235 *-----------------------------------------------------------------------
238 /*#define CONFIG_SYS_DER 0x2002000F*/
239 #define CONFIG_SYS_DER 0
240 /*#define CONFIG_SYS_DER 0x02002000 */
244 * Init Memory Controller:
246 * BR0/1 and OR0/1 (FLASH)
249 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
250 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
252 /* used to re-map FLASH both when starting from SRAM or FLASH:
253 * restrict access enough to keep SRAM working (if any)
254 * but not too much to meddle with FLASH accesses
256 #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
257 #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
259 /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */
260 #define CONFIG_SYS_OR_TIMING_FLASH 0x00000160
261 /*(OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | \
262 OR_SCY_5_CLK | OR_EHTR) */
264 #define CONFIG_SYS_OR0_REMAP 0x80000160 /*(CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)*/
265 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
266 #define CONFIG_SYS_BR0_PRELIM ( FLASH_BASE0_PRELIM | 0x00000801 )
268 #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
269 #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
270 #define CONFIG_SYS_BR1_PRELIM ( FLASH_BASE1_PRELIM | 0x00000801 )
273 * BR2/3 and OR2/3 (SDRAM)
276 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
277 #define SDRAM_BASE3_PRELIM 0x04000000 /* SDRAM bank #1 */
278 #define SDRAM_MAX_SIZE 0x02000000 /* max 32 MB per bank */
280 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
281 #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
283 #define CONFIG_SYS_OR2_PRELIM 0xFC000E00
284 #define CONFIG_SYS_BR2_PRELIM (SDRAM_BASE2_PRELIM | 0x00000081)
286 #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
287 #define CONFIG_SYS_BR3_PRELIM (SDRAM_BASE3_PRELIM | 0x00000081)
291 * Memory Periodic Timer Prescaler
294 /* periodic timer for refresh */
295 #define CONFIG_SYS_MAMR_PTA 97 /* start with divider for 100 MHz */
297 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
298 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
299 #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
301 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
302 #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
303 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
306 * MAMR settings for SDRAM
310 #define CONFIG_SYS_MAMR_8COL 0x18803112
311 #define CONFIG_SYS_MAMR_9COL 0x18803112 /* same as 8 column because its just easier to port with*/
315 * Internal Definitions
320 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
321 #define BOOTFLAG_WARM 0x02 /* Software reboot */
324 * Internal Definitions
328 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
329 #define BOOTFLAG_WARM 0x02 /* Software reboot */
331 #endif /* __CONFIG_H */