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authorwdenk <wdenk>2002-10-31 23:30:59 +0000
committerwdenk <wdenk>2002-10-31 23:30:59 +0000
commit8966f33788c96df43c6cfcc9a7ba50f6343c1187 (patch)
treeec1d5c4fb7e935d814e66eeba174e55537b69ce1 /include/configs/LANTEC.h
parentdc19ba8fe5f1350124d1dbbef4752e4016c83324 (diff)
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diff --git a/include/configs/LANTEC.h b/include/configs/LANTEC.h
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+/*
+ * (C) Copyright 2000, 2001
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ * (C) Copyright 2001
+ * Torsten Stevens, FHG IMS, stevens@ims.fhg.de
+ * Bruno Achauer, Exet AG, bruno@exet-ag.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * board/config.h - configuration options, board specific
+ * [derived from config_TQM850L.h]
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+
+#define CONFIG_MPC850 1 /* This is a MPC850 CPU */
+#define CONFIG_LANTEC 2 /* ...on a Lantec rev.2 board */
+
+/*
+ * Port assignments (CONFIG_LANTEC == 1):
+ * - SMC1: J11 (MDB) ?
+ * - SMC2: J6 (Feature connector)
+ * - SCC2: J9 (RJ45)
+ * - SCC3: J8 (Sub-D9)
+ *
+ * Port assignments (CONFIG_LANTEC == 2): TBD
+ */
+
+
+#undef CONFIG_8xx_CONS_SMC2 /* Console is on SMC2 */
+#define CONFIG_8xx_CONS_SCC3
+#undef CONFIG_8xx_CONS_NONE
+#define CONFIG_BAUDRATE 38400 /* console baudrate = 38.4kbps */
+#if 0
+#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
+#else
+#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
+#endif
+
+#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
+
+#undef CONFIG_BOOTARGS
+#define CONFIG_BOOTCOMMAND \
+ "setenv bootargs root=/dev/ram panic=5;bootm 40040000 400A0000"
+
+#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
+#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
+
+#undef CONFIG_WATCHDOG /* watchdog disabled */
+
+#define CONFIG_STATUS_LED 1 /* Status LED enabled */
+
+#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
+
+#define CONFIG_CMD_MINIMAL 0
+#define CONFIG_CMD_TINY (CFG_CMD_FLASH | \
+ CFG_CMD_MEMORY | \
+ CFG_CMD_LOADS | \
+ CFG_CMD_LOADB)
+#define CONFIG_CMD_NORMAL (CONFIG_CMD_DFL & ~CFG_CMD_BOOTD)
+#define CONFIG_CMD_GDB (CONFIG_CMD_NORMAL | CFG_CMD_KGDB)
+#define CONFIG_CMD_FULL (CFG_CMD_ALL & ~CFG_CMD_BEDBUG \
+ & ~CFG_CMD_BSP \
+ & ~CFG_CMD_DOC \
+ & ~CFG_CMD_DTT \
+ & ~CFG_CMD_EEPROM \
+ & ~CFG_CMD_ELF \
+ & ~CFG_CMD_FDC \
+ & ~CFG_CMD_HWFLOW \
+ & ~CFG_CMD_I2C \
+ & ~CFG_CMD_IDE \
+ & ~CFG_CMD_IRQ \
+ & ~CFG_CMD_JFFS2 \
+ & ~CFG_CMD_KGDB \
+ & ~CFG_CMD_MII \
+ & ~CFG_CMD_PCI \
+ & ~CFG_CMD_PCMCIA \
+ & ~CFG_CMD_SCSI \
+ & ~CFG_CMD_USB \
+ & ~CFG_CMD_VFD )
+
+#if CONFIG_LANTEC >= 2
+#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
+#endif
+
+#if CONFIG_LANTEC >= 2
+# define CONFIG_COMMANDS CONFIG_CMD_FULL
+#else
+# define CONFIG_COMMANDS (CONFIG_CMD_FULL & ~CFG_CMD_DATE & ~CFG_CMD_NET)
+#endif
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP /* undef to save memory */
+#define CFG_PROMPT "=> " /* Monitor Command Prompt */
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
+#else
+#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
+#endif
+#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+#define CFG_MAXARGS 16 /* max number of command args */
+#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
+
+#define CFG_MEMTEST_START 0x0400000 /* memtest works on */
+#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
+
+#define CFG_LOAD_ADDR 0x100000 /* default load address */
+
+#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
+
+#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
+
+/*
+ * Low Level Configuration Settings
+ * (address mappings, register initial values, etc.)
+ * You should know what you are doing if you make changes here.
+ */
+/*-----------------------------------------------------------------------
+ * Internal Memory Mapped Register
+ */
+#define CFG_IMMR 0xFFF00000
+
+/*-----------------------------------------------------------------------
+ * Definitions for initial stack pointer and data area (in DPRAM)
+ */
+#define CFG_INIT_RAM_ADDR CFG_IMMR
+#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
+#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
+#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
+#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
+
+/*-----------------------------------------------------------------------
+ * Start addresses for the final memory configuration
+ * (Set up by the startup code)
+ * Please note that CFG_SDRAM_BASE _must_ start at 0
+ */
+#define CFG_SDRAM_BASE 0x00000000
+#define CFG_FLASH_BASE 0x40000000
+#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
+#define CFG_MONITOR_BASE CFG_FLASH_BASE
+#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
+
+/*
+ * For booting Linux, the board info and command line data
+ * have to be in the first 8 MB of memory, since this is
+ * the maximum mapped by the Linux kernel during initialization.
+ */
+#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
+
+/*-----------------------------------------------------------------------
+ * FLASH organization
+ */
+#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
+#define CFG_MAX_FLASH_SECT 67 /* max number of sectors on one chip */
+
+#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
+#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
+
+#define CFG_ENV_IS_IN_FLASH 1
+#define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
+#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
+
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
+#endif
+
+/*-----------------------------------------------------------------------
+ * SYPCR - System Protection Control 11-9
+ * SYPCR can only be written once after reset!
+ *-----------------------------------------------------------------------
+ * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
+ */
+#if defined(CONFIG_WATCHDOG)
+#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
+ SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
+#else
+#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
+#endif
+
+/*-----------------------------------------------------------------------
+ * SIUMCR - SIU Module Configuration 11-6
+ *-----------------------------------------------------------------------
+ * PCMCIA config., multi-function pin tri-state
+ */
+#define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01 | SIUMCR_DLK)
+
+/*-----------------------------------------------------------------------
+ * Clock Setting - Has the Lantec board a 32kHz clock ??? [XXX]
+ *-----------------------------------------------------------------------
+ */
+#define CONFIG_8xx_GCLK_FREQ 33000000
+
+/*-----------------------------------------------------------------------
+ * TBSCR - Time Base Status and Control 11-26
+ *-----------------------------------------------------------------------
+ * Clear Reference Interrupt Status, Timebase freezing enabled
+ */
+#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
+
+/*-----------------------------------------------------------------------
+ * RTCSC - Real-Time Clock Status and Control Register 11-27
+ *-----------------------------------------------------------------------
+ */
+#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
+
+/*-----------------------------------------------------------------------
+ * PISCR - Periodic Interrupt Status and Control 11-31
+ *-----------------------------------------------------------------------
+ * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
+ */
+#define CFG_PISCR (PISCR_PS | PISCR_PITF)
+
+/*-----------------------------------------------------------------------
+ * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
+ *-----------------------------------------------------------------------
+ * Reset PLL lock status sticky bit, timer expired status bit and timer
+ * interrupt status bit
+ *
+ * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
+ */
+ /* up to 50 MHz we use a 1:1 clock */
+#define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
+
+/*-----------------------------------------------------------------------
+ * SCCR - System Clock and reset Control Register 15-27
+ *-----------------------------------------------------------------------
+ * Set clock output, timebase and RTC source and divider,
+ * power management and some other internal clocks
+ */
+#define SCCR_MASK SCCR_EBDF11
+ /* up to 50 MHz we use a 1:1 clock */
+#define CFG_SCCR (SCCR_TBS | \
+ SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
+ SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
+ SCCR_DFALCD00)
+
+/*-----------------------------------------------------------------------
+ *
+ *-----------------------------------------------------------------------
+ *
+ */
+/*#define CFG_DER 0x2002000F*/
+#define CFG_DER 0
+
+/*
+ * Init Memory Controller:
+ *
+ * BR0/5 and OR0/5 (FLASH)
+ */
+
+#define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
+#define FLASH_BASE5_PRELIM 0x60000000 /* FLASH bank #1 */
+
+/* used to re-map FLASH both when starting from SRAM or FLASH:
+ * restrict access enough to keep SRAM working (if any)
+ * but not too much to meddle with FLASH accesses
+ */
+#define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
+#define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
+
+/* FLASH timing */
+#define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_BI | \
+ OR_SCY_5_CLK | OR_TRLX)
+
+#define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
+#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
+#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
+
+#define CFG_OR5_REMAP CFG_OR0_REMAP
+#define CFG_OR5_PRELIM CFG_OR0_PRELIM
+#define CFG_BR5_PRELIM ((FLASH_BASE5_PRELIM & BR_BA_MSK) | BR_V )
+
+/*
+ * BR2/3 and OR2/3 (SDRAM)
+ *
+ */
+#define SDRAM_BASE3_PRELIM 0x00000000 /* SDRAM bank #0 */
+#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
+
+/* SDRAM timing: Multiplexed addresses */
+#define CFG_OR_TIMING_SDRAM (OR_CSNT_SAM)
+
+#define CFG_OR3_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
+#define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
+
+/*
+ * Memory Periodic Timer Prescaler
+ */
+
+/* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
+#define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
+#define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
+
+/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
+#define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
+#define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
+
+/*
+ * MAMR settings for SDRAM
+ */
+/* periodic timer for refresh */
+#define CFG_MAMR_PTA 97 /* start with divider for 100 MHz */
+
+/* 8 column SDRAM */
+#define CFG_MAMR_8COL \
+ ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
+ MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
+ MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
+#define BOOTFLAG_WARM 0x02 /* Software reboot */
+
+#endif /* __CONFIG_H */