3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
9 * board/config.h - configuration options, board specific
16 * High Level Configuration Options
20 #define CONFIG_MPC823 1 /* This is a MPC823 CPU */
21 #define CONFIG_MVS 1 /* ...on a MVsensor module */
22 #define CONFIG_MVS_16BIT_FLASH /* ...with 16-bit flash access */
23 #define CONFIG_8xx_GCLK_FREQ 50000000/* ... and a 50 MHz CPU */
25 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
27 #undef CONFIG_8xx_CONS_SMC1 /* Console is *NOT* on SMC1 */
28 #define CONFIG_8xx_CONS_SMC2 1 /* Console is on SMC2 */
29 #undef CONFIG_8xx_CONS_NONE
30 #define CONFIG_BAUDRATE 115200 /* console baudrate */
31 #define CONFIG_BOOTDELAY 5 /* autoboot after this many seconds */
33 #define CONFIG_PREBOOT "echo;" \
34 "echo To mount root over NFS use \"run bootnet\";" \
35 "echo To mount root from FLASH use \"run bootflash\";" \
37 #define CONFIG_BOOTARGS "root=/dev/mtdblock2 rw"
38 #define CONFIG_BOOTCOMMAND \
40 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
41 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
44 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
45 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
47 #define CONFIG_WATCHDOG /* watchdog disabled/enabled */
49 #undef CONFIG_STATUS_LED /* Status LED disabled/enabled */
51 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
57 #define CONFIG_BOOTP_SUBNETMASK
58 #define CONFIG_BOOTP_GATEWAY
59 #define CONFIG_BOOTP_HOSTNAME
60 #define CONFIG_BOOTP_BOOTPATH
61 #define CONFIG_BOOTP_VENDOREX
63 #undef CONFIG_MAC_PARTITION
64 #undef CONFIG_DOS_PARTITION
66 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
70 * Command line configuration.
72 #define CONFIG_CMD_LOADS
73 #define CONFIG_CMD_LOADB
74 #define CONFIG_CMD_IMI
75 #define CONFIG_CMD_FLASH
76 #define CONFIG_CMD_MEMORY
77 #define CONFIG_CMD_NET
78 #define CONFIG_CMD_DHCP
79 #define CONFIG_CMD_SAVEENV
80 #define CONFIG_CMD_BOOTD
81 #define CONFIG_CMD_RUN
85 * Miscellaneous configurable options
87 #undef CONFIG_SYS_LONGHELP /* undef to save memory */
89 #undef CONFIG_SYS_HUSH_PARSER /* Hush parse for U-Boot ?? */
91 #if defined(CONFIG_CMD_KGDB)
92 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
94 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
96 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
97 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
98 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
100 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
101 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
103 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
106 * Low Level Configuration Settings
107 * (address mappings, register initial values, etc.)
108 * You should know what you are doing if you make changes here.
110 /*-----------------------------------------------------------------------
111 * Internal Memory Mapped Register
113 #define CONFIG_SYS_IMMR 0xFFF00000
115 /*-----------------------------------------------------------------------
116 * Definitions for initial stack pointer and data area (in DPRAM)
118 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
119 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
120 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
121 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
123 /*-----------------------------------------------------------------------
124 * Start addresses for the final memory configuration
125 * (Set up by the startup code)
126 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
128 #define CONFIG_SYS_SDRAM_BASE 0x00000000
129 #define CONFIG_SYS_FLASH_BASE 0x40000000
131 #define CONFIG_SYS_MONITOR_LEN (128 << 10) /* Reserve 192 kB for Monitor */
133 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
134 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
137 * For booting Linux, the board info and command line data
138 * have to be in the first 8 MB of memory, since this is
139 * the maximum mapped by the Linux kernel during initialization.
141 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
143 /*-----------------------------------------------------------------------
146 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
147 #define CONFIG_SYS_MAX_FLASH_SECT 71 /* max number of sectors on one chip (for AMD320DB chip) */
149 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
150 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
152 #define CONFIG_ENV_IS_IN_FLASH 1
154 /* 4MB flash - use bottom sectors of a bottom boot sector flash (16 bit access) */
155 #define CONFIG_ENV_OFFSET 0x8000 /* Offset of Environment Sector (bottom boot sector) */
156 #define CONFIG_ENV_SIZE 0x2000 /* Used Size of Environment Sector 8k */
158 /*-----------------------------------------------------------------------
159 * Cache Configuration
161 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
162 #if defined(CONFIG_CMD_KGDB)
163 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
166 /*-----------------------------------------------------------------------
167 * SYPCR - System Protection Control 11-9
168 * SYPCR can only be written once after reset!
169 *-----------------------------------------------------------------------
170 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
172 #if defined(CONFIG_WATCHDOG)
173 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
174 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
176 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
179 /*-----------------------------------------------------------------------
180 * SIUMCR - SIU Module Configuration 11-6
181 *-----------------------------------------------------------------------
182 * PCMCIA config., multi-function pin tri-state
184 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
186 /*-----------------------------------------------------------------------
187 * TBSCR - Time Base Status and Control 11-26
188 *-----------------------------------------------------------------------
189 * Clear Reference Interrupt Status, Timebase freezing enabled
191 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
193 /*-----------------------------------------------------------------------
194 * RTCSC - Real-Time Clock Status and Control Register 11-27
195 *-----------------------------------------------------------------------
197 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
199 /*-----------------------------------------------------------------------
200 * PISCR - Periodic Interrupt Status and Control 11-31
201 *-----------------------------------------------------------------------
202 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
204 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
206 /*-----------------------------------------------------------------------
207 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
208 *-----------------------------------------------------------------------
209 * Reset PLL lock status sticky bit, timer expired status bit and timer
210 * interrupt status bit
213 #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
215 /*-----------------------------------------------------------------------
216 * SCCR - System Clock and reset Control Register 15-27
217 *-----------------------------------------------------------------------
218 * Set clock output, timebase and RTC source and divider,
219 * power management and some other internal clocks
221 #define SCCR_MASK SCCR_EBDF11
222 #define CONFIG_SYS_SCCR (SCCR_TBS | \
223 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
224 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
227 /*-----------------------------------------------------------------------
229 *-----------------------------------------------------------------------
232 #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
233 #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
234 #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
235 #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
236 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
237 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
238 #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
239 #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
241 /*-----------------------------------------------------------------------
242 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
243 *-----------------------------------------------------------------------
246 #define CONFIG_IDE_PCCARD 0 /* **DON'T** Use IDE with PC Card Adapter */
248 #undef CONFIG_IDE_PCMCIA /* Direct IDE not supported */
249 #undef CONFIG_IDE_LED /* LED for ide not supported */
250 #undef CONFIG_IDE_RESET /* reset for ide not supported */
252 #define CONFIG_SYS_IDE_MAXBUS 0 /* max. no. of IDE buses */
253 #define CONFIG_SYS_IDE_MAXDEVICE 0 /* max. no. of drives per IDE bus */
256 #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
258 #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
260 /* Offset for data I/O */
261 #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
263 /* Offset for normal register accesses */
264 #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
266 /* Offset for alternate registers */
267 #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
269 /*-----------------------------------------------------------------------
271 *-----------------------------------------------------------------------
274 /*#define CONFIG_SYS_DER 0x2002000F*/
275 #define CONFIG_SYS_DER 0
278 * Init Memory Controller:
280 * BR0/1 and OR0/1 (FLASH)
283 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
284 #undef FLASH_BASE1_PRELIM
286 /* used to re-map FLASH both when starting from SRAM or FLASH:
287 * restrict access enough to keep SRAM working (if any)
288 * but not too much to meddle with FLASH accesses
290 #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
291 #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
297 /* 50 MHz CPU - 50 MHz bus: ACS = 00, TRLX = 1, CSNT = 1, SCY = 2, EHTR = 1 */
298 #define CONFIG_SYS_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
299 OR_SCY_2_CLK | OR_EHTR | OR_BI)
300 /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */
302 #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | \
303 OR_SCY_5_CLK | OR_EHTR)
306 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
307 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
308 #ifdef CONFIG_MVS_16BIT_FLASH
309 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V )
311 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_32 | BR_V )
314 #undef CONFIG_SYS_OR1_REMAP
315 #undef CONFIG_SYS_OR1_PRELIM
316 #undef CONFIG_SYS_BR1_PRELIM
318 * BR2/3 and OR2/3 (SDRAM)
321 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
322 #undef SDRAM_BASE3_PRELIM
323 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
325 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
326 #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
328 #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
329 #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
331 #undef CONFIG_SYS_OR3_PRELIM
332 #undef CONFIG_SYS_BR3_PRELIM
336 * Memory Periodic Timer Prescaler
338 * The Divider for PTA (refresh timer) configuration is based on an
339 * example SDRAM configuration (64 MBit, one bank). The adjustment to
340 * the number of chip selects (NCS) and the actually needed refresh
341 * rate is done by setting MPTPR.
343 * PTA is calculated from
344 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
346 * gclk CPU clock (not bus clock!)
347 * Trefresh Refresh cycle * 4 (four word bursts used)
349 * 4096 Rows from SDRAM example configuration
350 * 1000 factor s -> ms
351 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
352 * 4 Number of refresh cycles per period
353 * 64 Refresh cycle in ms per number of rows
354 * --------------------------------------------
355 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
357 * 50 MHz => 50.000.000 / Divider = 98
358 * 66 Mhz => 66.000.000 / Divider = 129
359 * 80 Mhz => 80.000.000 / Divider = 156
361 #define CONFIG_SYS_MAMR_PTA 98
363 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
364 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
365 #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
367 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
368 #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
369 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
372 * MAMR settings for SDRAM
376 #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
377 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
378 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
380 #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
381 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A7 | \
382 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
384 #endif /* __CONFIG_H */