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 * Pantelis Antoniou, Intracom S.A., panto@intracom.gr
26 * U-Boot port on NetVia board
33 * High Level Configuration Options
37 #define CONFIG_MPC850 1 /* This is a MPC850 CPU */
38 #define CONFIG_NETVIA 1 /* ...on a NetVia board */
40 #if !defined(CONFIG_NETVIA_VERSION) || CONFIG_NETVIA_VERSION == 1
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 CONFIG_8xx_CONS_NONE
46 #define CONFIG_MAX3100_SERIAL
49 #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
51 #define CONFIG_XIN 10000000
52 #define CONFIG_8xx_GCLK_FREQ 80000000
55 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
57 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
60 #undef CONFIG_CLOCKS_IN_MHZ /* clocks NOT passsed to Linux in MHz */
62 #define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
64 #undef CONFIG_BOOTARGS
65 #define CONFIG_BOOTCOMMAND \
67 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
68 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
71 #define CONFIG_LOADS_ECHO 0 /* echo off for serial download */
72 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
74 #undef CONFIG_WATCHDOG /* watchdog disabled */
76 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
78 #if defined(CONFIG_NETVIA_VERSION) && CONFIG_NETVIA_VERSION >= 2
79 #define CONFIG_BOARD_SPECIFIC_LED /* version has board specific leds */
82 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
87 #define CONFIG_BOOTP_SUBNETMASK
88 #define CONFIG_BOOTP_GATEWAY
89 #define CONFIG_BOOTP_HOSTNAME
90 #define CONFIG_BOOTP_BOOTPATH
91 #define CONFIG_BOOTP_BOOTFILESIZE
92 #define CONFIG_BOOTP_NISDOMAIN
95 #undef CONFIG_MAC_PARTITION
96 #undef CONFIG_DOS_PARTITION
98 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
102 * Command line configuration.
104 #include <config_cmd_default.h>
106 #define CONFIG_CMD_DHCP
107 #define CONFIG_CMD_PING
109 #if defined(CONFIG_NETVIA_VERSION) && CONFIG_NETVIA_VERSION >= 2
110 #define CONFIG_CMD_NAND
114 #define CONFIG_BOARD_EARLY_INIT_F 1
115 #define CONFIG_MISC_INIT_R
118 * Miscellaneous configurable options
120 #define CFG_LONGHELP /* undef to save memory */
121 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
122 #if defined(CONFIG_CMD_KGDB)
123 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
125 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
127 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
128 #define CFG_MAXARGS 16 /* max number of command args */
129 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
131 #define CFG_MEMTEST_START 0x0300000 /* memtest works on */
132 #define CFG_MEMTEST_END 0x0700000 /* 3 ... 7 MB in DRAM */
134 #define CFG_LOAD_ADDR 0x100000 /* default load address */
136 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
138 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
141 * Low Level Configuration Settings
142 * (address mappings, register initial values, etc.)
143 * You should know what you are doing if you make changes here.
145 /*-----------------------------------------------------------------------
146 * Internal Memory Mapped Register
148 #define CFG_IMMR 0xFF000000
150 /*-----------------------------------------------------------------------
151 * Definitions for initial stack pointer and data area (in DPRAM)
153 #define CFG_INIT_RAM_ADDR CFG_IMMR
154 #define CFG_INIT_RAM_END 0x3000 /* End of used area in DPRAM */
155 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
156 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
157 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
159 /*-----------------------------------------------------------------------
160 * Start addresses for the final memory configuration
161 * (Set up by the startup code)
162 * Please note that CFG_SDRAM_BASE _must_ start at 0
164 #define CFG_SDRAM_BASE 0x00000000
165 #define CFG_FLASH_BASE 0x40000000
167 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
169 #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
171 #define CFG_MONITOR_BASE CFG_FLASH_BASE
172 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
175 * For booting Linux, the board info and command line data
176 * have to be in the first 8 MB of memory, since this is
177 * the maximum mapped by the Linux kernel during initialization.
179 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
181 /*-----------------------------------------------------------------------
184 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
185 #define CFG_MAX_FLASH_SECT 8 /* max number of sectors on one chip */
187 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
188 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
190 #define CFG_ENV_IS_IN_FLASH 1
191 #define CFG_ENV_SECT_SIZE 0x10000
193 #define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x60000)
194 #define CFG_ENV_OFFSET 0
195 #define CFG_ENV_SIZE 0x4000
197 #define CFG_ENV_ADDR_REDUND (CFG_FLASH_BASE + 0x70000)
198 #define CFG_ENV_OFFSET_REDUND 0
199 #define CFG_ENV_SIZE_REDUND CFG_ENV_SIZE
201 /*-----------------------------------------------------------------------
202 * Cache Configuration
204 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
205 #if defined(CONFIG_CMD_KGDB)
206 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
209 /*-----------------------------------------------------------------------
210 * SYPCR - System Protection Control 11-9
211 * SYPCR can only be written once after reset!
212 *-----------------------------------------------------------------------
213 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
215 #if defined(CONFIG_WATCHDOG)
216 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
217 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
219 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
222 /*-----------------------------------------------------------------------
223 * SIUMCR - SIU Module Configuration 11-6
224 *-----------------------------------------------------------------------
225 * PCMCIA config., multi-function pin tri-state
227 #ifndef CONFIG_CAN_DRIVER
228 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01 | SIUMCR_FRC)
229 #else /* we must activate GPL5 in the SIUMCR for CAN */
230 #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01 | SIUMCR_FRC)
231 #endif /* CONFIG_CAN_DRIVER */
233 /*-----------------------------------------------------------------------
234 * TBSCR - Time Base Status and Control 11-26
235 *-----------------------------------------------------------------------
236 * Clear Reference Interrupt Status, Timebase freezing enabled
238 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
240 /*-----------------------------------------------------------------------
241 * RTCSC - Real-Time Clock Status and Control Register 11-27
242 *-----------------------------------------------------------------------
244 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
246 /*-----------------------------------------------------------------------
247 * PISCR - Periodic Interrupt Status and Control 11-31
248 *-----------------------------------------------------------------------
249 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
251 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
253 /*-----------------------------------------------------------------------
254 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
255 *-----------------------------------------------------------------------
256 * Reset PLL lock status sticky bit, timer expired status bit and timer
257 * interrupt status bit
260 *-----------------------------------------------------------------------
261 * SCCR - System Clock and reset Control Register 15-27
262 *-----------------------------------------------------------------------
263 * Set clock output, timebase and RTC source and divider,
264 * power management and some other internal clocks
267 #define SCCR_MASK SCCR_EBDF11
269 #if CONFIG_8xx_GCLK_FREQ == 50000000
271 #define CFG_PLPRCR ( ((5 - 1) << PLPRCR_MF_SHIFT) | PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
272 #define CFG_SCCR (SCCR_TBS | \
273 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
274 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
277 #elif CONFIG_8xx_GCLK_FREQ == 80000000
279 #define CFG_PLPRCR ( ((8 - 1) << PLPRCR_MF_SHIFT) | PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
280 #define CFG_SCCR (SCCR_TBS | \
281 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
282 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
283 SCCR_DFALCD00 | SCCR_EBDF01)
287 /*-----------------------------------------------------------------------
289 *-----------------------------------------------------------------------
292 /*#define CFG_DER 0x2002000F*/
296 * Init Memory Controller:
298 * BR0/1 and OR0/1 (FLASH)
301 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
303 /* used to re-map FLASH both when starting from SRAM or FLASH:
304 * restrict access enough to keep SRAM working (if any)
305 * but not too much to meddle with FLASH accesses
307 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
308 #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
310 /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */
311 #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_BI | OR_SCY_5_CLK | OR_TRLX)
313 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
314 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
315 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_8 | BR_V )
318 * BR3 and OR3 (SDRAM)
321 #define SDRAM_BASE3_PRELIM 0x00000000 /* SDRAM bank #0 */
322 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
324 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
325 #define CFG_OR_TIMING_SDRAM (OR_CSNT_SAM | OR_G5LS)
327 #define CFG_OR3_PRELIM ((0xFFFFFFFFLU & ~(SDRAM_MAX_SIZE - 1)) | CFG_OR_TIMING_SDRAM)
328 #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_PS_32 | BR_V)
331 * Memory Periodic Timer Prescaler
334 /* periodic timer for refresh */
335 #define CFG_MAMR_PTA 208
337 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
338 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
341 * MAMR settings for SDRAM
345 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
346 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
347 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
350 * Internal Definitions
354 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
355 #define BOOTFLAG_WARM 0x02 /* Software reboot */
357 /* Ethernet at SCC2 */
358 #define CONFIG_SCC2_ENET
360 #define CONFIG_ARTOS /* include ARTOS support */
362 /****************************************************************/
364 #define DSP_SIZE 0x00010000 /* 64K */
365 #define FPGA_SIZE 0x00010000 /* 64K */
367 #define DSP0_BASE 0xF1000000
368 #define DSP1_BASE (DSP0_BASE + DSP_SIZE)
369 #define FPGA_BASE (DSP1_BASE + DSP_SIZE)
371 #if defined(CONFIG_NETVIA_VERSION) && CONFIG_NETVIA_VERSION >= 2
373 #define ER_SIZE 0x00010000 /* 64K */
374 #define ER_BASE (FPGA_BASE + FPGA_SIZE)
376 #define NAND_SIZE 0x00010000 /* 64K */
377 #define NAND_BASE (ER_BASE + ER_SIZE)
381 /****************************************************************/
383 #if defined(CONFIG_NETVIA_VERSION) && CONFIG_NETVIA_VERSION >= 2
385 #define STATUS_LED_BIT 0x00000001 /* bit 31 */
386 #define STATUS_LED_PERIOD (CFG_HZ / 2)
387 #define STATUS_LED_STATE STATUS_LED_BLINKING
389 #define STATUS_LED_BIT1 0x00000002 /* bit 30 */
390 #define STATUS_LED_PERIOD1 (CFG_HZ / 2)
391 #define STATUS_LED_STATE1 STATUS_LED_OFF
393 #define STATUS_LED_ACTIVE 0 /* LED on for bit == 0 */
394 #define STATUS_LED_BOOT 0 /* LED 0 used for boot status */
398 /*****************************************************************************/
400 #define CFG_NAND_LEGACY
402 #if defined(CONFIG_NETVIA_VERSION) && CONFIG_NETVIA_VERSION >= 2
405 #define CFG_NAND_BASE NAND_BASE
406 #define CONFIG_MTD_NAND_ECC_JFFS2
408 #define CFG_MAX_NAND_DEVICE 1
410 #define SECTORSIZE 512
411 #define ADDR_COLUMN 1
413 #define ADDR_COLUMN_PAGE 3
414 #define NAND_ChipID_UNKNOWN 0x00
415 #define NAND_MAX_FLOORS 1
416 #define NAND_MAX_CHIPS 1
418 #define NAND_DISABLE_CE(nand) \
420 (((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pddat) |= 0x0040; \
423 #define NAND_ENABLE_CE(nand) \
425 (((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pddat) &= ~0x0040; \
428 #define NAND_CTL_CLRALE(nandptr) \
430 (((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pddat) &= ~0x0100; \
433 #define NAND_CTL_SETALE(nandptr) \
435 (((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pddat) |= 0x0100; \
438 #define NAND_CTL_CLRCLE(nandptr) \
440 (((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pddat) &= ~0x0080; \
443 #define NAND_CTL_SETCLE(nandptr) \
445 (((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pddat) |= 0x0080; \
448 #define NAND_WAIT_READY(nand) \
450 while ((((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pcdat & 0x100) == 0) \
454 #define WRITE_NAND_COMMAND(d, adr) \
456 *(volatile unsigned char *)((unsigned long)(adr)) = (unsigned char)(d); \
459 #define WRITE_NAND_ADDRESS(d, adr) \
461 *(volatile unsigned char *)((unsigned long)(adr)) = (unsigned char)(d); \
464 #define WRITE_NAND(d, adr) \
466 *(volatile unsigned char *)((unsigned long)(adr)) = (unsigned char)(d); \
469 #define READ_NAND(adr) \
470 ((unsigned char)(*(volatile unsigned char *)(unsigned long)(adr)))
474 /*****************************************************************************/
478 #if defined(CONFIG_NETVIA_VERSION) && CONFIG_NETVIA_VERSION >= 2
482 /* last value written to the external register; we cannot read back */
483 extern unsigned int last_er_val;
485 /* led_id_t is unsigned long mask */
486 typedef unsigned int led_id_t;
488 static inline void __led_init(led_id_t mask, int state)
490 unsigned int new_er_val;
493 new_er_val = last_er_val & ~mask;
495 new_er_val = last_er_val | mask;
497 *(volatile unsigned int *)ER_BASE = new_er_val;
498 last_er_val = new_er_val;
501 static inline void __led_toggle(led_id_t mask)
503 unsigned int new_er_val;
505 new_er_val = last_er_val ^ mask;
506 *(volatile unsigned int *)ER_BASE = new_er_val;
507 last_er_val = new_er_val;
510 static inline void __led_set(led_id_t mask, int state)
512 unsigned int new_er_val;
515 new_er_val = last_er_val & ~mask;
517 new_er_val = last_er_val | mask;
519 *(volatile unsigned int *)ER_BASE = new_er_val;
520 last_er_val = new_er_val;
523 /* MAX3100 console */
524 #define MAX3100_SPI_RXD_PORT (((volatile immap_t *)CFG_IMMR)->im_cpm.cp_pbdat)
525 #define MAX3100_SPI_RXD_BIT 0x00000008
527 #define MAX3100_SPI_TXD_PORT (((volatile immap_t *)CFG_IMMR)->im_cpm.cp_pbdat)
528 #define MAX3100_SPI_TXD_BIT 0x00000004
530 #define MAX3100_SPI_CLK_PORT (((volatile immap_t *)CFG_IMMR)->im_cpm.cp_pbdat)
531 #define MAX3100_SPI_CLK_BIT 0x00000002
533 #define MAX3100_CS_PORT (((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pddat)
534 #define MAX3100_CS_BIT 0x0010
540 /*************************************************************************************************/
542 #endif /* __CONFIG_H */