* Add support for log buffer which can be passed to Linux kernel's

  syslog mechanism; used especially for POST results.

* Patch by Klaus Heydeck, 31 Oct 2002:
  Add initial support for kup4k board

1 files changed, 433 insertions, 0 deletions

diff --git a/include/configs/KUP4K.h b/include/configs/KUP4K.h
new file mode 100644
index 0000000..3d9898b
--- /dev/null
+++ b/include/configs/KUP4K.h
@@ -0,0 +1,433 @@
+/*
+ * (C) Copyright 2000, 2001, 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ * Klaus Heydeck, Kieback & Peter GmbH & Co KG, heydeck@kieback-peter.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 ../tqm8xx/tqm8xx.c
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+
+#define CONFIG_MPC855		1	/* This is a MPC855 CPU		*/
+#define CONFIG_KUP4K		1	/* ...on a KUP4K module */
+
+#define	CONFIG_8xx_CONS_SMC1	1	/* Console is on SMC1		*/
+#undef	CONFIG_8xx_CONS_SMC2
+#undef	CONFIG_8xx_CONS_NONE
+#define CONFIG_BAUDRATE		115200	/* console baudrate = 115kbps	*/
+#if 0
+#define CONFIG_BOOTDELAY	-1	/* autoboot disabled		*/
+#else
+#define CONFIG_BOOTDELAY	1	/* autoboot after 1 second	*/
+#endif
+
+#define	CONFIG_CLOCKS_IN_MHZ	1	/* clocks passsed to Linux in MHz */
+
+#define CONFIG_BOARD_TYPES	1	/* support board types		*/
+
+#if 0
+#define CONFIG_PREBOOT	"echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
+#endif
+
+#undef	CONFIG_BOOTARGS
+
+#define CONFIG_NFSBOOTCOMMAND \
+    "dhcp ;"\
+	"setenv bootargs root=/dev/nfs ro nfsroot=$(nfsip):$(rootpath) "\
+	"ip=$(ipaddr):$(nfsip):$(gatewayip):"\
+	"$(netmask):heydeck.eva:eth0:off; "\
+    "bootm 100000"
+
+#define CONFIG_RAMBOOTCOMMAND	\
+    "diskboot 100000 0:1; "\
+    "setenv bootargs root=/dev/hda2 panic=1 "\
+	"ip=192.168.0.71:192.168.0.100:192.168.0.2:255.255.255.0; "\
+    "bootm"
+
+#define CONFIG_BOOTCOMMAND	\
+    "run ramboot "\
+    "run nfsboot"
+
+#define CONFIG_MISC_INIT_R  1
+
+#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		*/
+
+#undef	CONFIG_CAN_DRIVER		/* CAN Driver support disabled	*/
+
+#define CONFIG_BOOTP_MASK	(CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
+
+#define CONFIG_MAC_PARTITION
+#define CONFIG_DOS_PARTITION
+
+#define	CONFIG_RTC_MPC8xx		/* use internal RTC of MPC8xx	*/
+
+#define CONFIG_ETHADDR                  00:0B:64:00:00:00 /* our OUI from IEEE */
+#define CONFIG_KUP4K_LOGO               0x40040000  /* Address of logo bitmap */
+
+/* Define to allow the user to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_COMMANDS	      ( CONFIG_CMD_DFL	| \
+				CFG_CMD_DHCP	| \
+				CFG_CMD_IDE	| \
+				CFG_CMD_DATE	)
+
+/* 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	1	/* 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		0x1000	/* Total Size of Environment Sector	*/
+#define CFG_ENV_SECT_SIZE       0x8000
+
+/* Address and size of Redundant Environment Sector	*/
+#if 0
+#define CFG_ENV_OFFSET_REDUND	(CFG_ENV_OFFSET+CFG_ENV_SIZE)
+#define CFG_ENV_SIZE_REDUND	(CFG_ENV_SIZE)
+#endif
+/*-----------------------------------------------------------------------
+ * Hardware Information Block
+ */
+#if 0
+#define CFG_HWINFO_OFFSET	0x0003FFC0	/* offset of HW Info block */
+#define CFG_HWINFO_SIZE		0x00000040	/* size   of HW Info block */
+#define CFG_HWINFO_MAGIC	0x54514D38	/* 'TQM8' */
+#endif
+/*-----------------------------------------------------------------------
+ * 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_MLRC00)
+
+/*-----------------------------------------------------------------------
+ * 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)!
+ */
+#define CFG_PLPRCR ( (3-1)<<PLPRCR_MF_SHIFT | 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_EBDF00
+#define CFG_SCCR	( SCCR_TBS  |   SCCR_EBDF00 |  \
+			 SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
+			 SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
+			 SCCR_DFALCD00)
+
+/*-----------------------------------------------------------------------
+ * PCMCIA stuff
+ *-----------------------------------------------------------------------
+ *
+ */
+
+#define	CONFIG_PCMCIA_SLOT_B 1	/* KUP4K use SLOT_B	*/
+
+#define CFG_PCMCIA_MEM_ADDR	(0xE0000000)
+#define CFG_PCMCIA_MEM_SIZE	( 64 << 20 )
+#define CFG_PCMCIA_DMA_ADDR	(0xE4000000)
+#define CFG_PCMCIA_DMA_SIZE	( 64 << 20 )
+#define CFG_PCMCIA_ATTRB_ADDR	(0xE8000000)
+#define CFG_PCMCIA_ATTRB_SIZE	( 64 << 20 )
+#define CFG_PCMCIA_IO_ADDR	(0xEC000000)
+#define CFG_PCMCIA_IO_SIZE	( 64 << 20 )
+
+/*-----------------------------------------------------------------------
+ * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
+ *-----------------------------------------------------------------------
+ */
+
+#define	CONFIG_IDE_8xx_PCCARD	1	/* Use IDE with PC Card	Adapter	*/
+
+#undef	CONFIG_IDE_8xx_DIRECT		/* Direct IDE    not supported	*/
+#undef	CONFIG_IDE_LED			/* LED   for ide not supported	*/
+#undef	CONFIG_IDE_RESET		/* reset for ide not supported	*/
+
+#define CFG_IDE_MAXBUS		1	/* max. 1 IDE bus		*/
+#define CFG_IDE_MAXDEVICE	1	/* max. 1 drive per IDE bus	*/
+
+#define CFG_ATA_IDE0_OFFSET	0x0000
+
+#define CFG_ATA_BASE_ADDR	CFG_PCMCIA_MEM_ADDR
+
+/* Offset for data I/O			*/
+#define CFG_ATA_DATA_OFFSET	(CFG_PCMCIA_MEM_SIZE + 0x320)
+
+/* Offset for normal register accesses	*/
+#define CFG_ATA_REG_OFFSET	(2 * CFG_PCMCIA_MEM_SIZE + 0x320)
+
+/* Offset for alternate registers	*/
+#define CFG_ATA_ALT_OFFSET	0x0100
+
+
+/*-----------------------------------------------------------------------
+ *
+ *-----------------------------------------------------------------------
+ *
+ */
+/*#define	CFG_DER	0x2002000F*/
+#define CFG_DER	0
+
+/*
+ * Init Memory Controller:
+ *
+ * BR0/1 and OR0/1 (FLASH)
+ */
+#define FLASH_BASE0_PRELIM	0x40000000	/* FLASH bank #0	*/
+
+/* 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_ACS_DIV1  | OR_TRLX | OR_CSNT_SAM | \
+				 OR_SCY_2_CLK | OR_EHTR | OR_BI)
+
+#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_PS_16 | BR_V )
+
+
+/*
+ * BR2/3 and OR2/3 (SDRAM)
+ *
+ */
+#define SDRAM_BASE1_PRELIM	0x00000000	/* SDRAM bank #0	*/
+#define SDRAM_BASE2_PRELIM	0x20000000	/* SDRAM bank #1	*/
+#define SDRAM_BASE3_PRELIM	0x30000000	/* SDRAM bank #2	*/
+#define	SDRAM_MAX_SIZE		0x04000000	/* max 648 MB per bank	*/
+
+/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care)	*/
+#define CFG_OR_TIMING_SDRAM	0x00000A00
+
+#if 0
+#define CFG_OR1_PRELIM	(CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
+#define CFG_BR1_PRELIM	((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
+
+#define CFG_OR2_PRELIM	(CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
+#define CFG_BR2_PRELIM	((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
+
+#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 )
+#endif
+
+
+/*
+ * Memory Periodic Timer Prescaler
+ *
+ * The Divider for PTA (refresh timer) configuration is based on an
+ * example SDRAM configuration (64 MBit, one bank). The adjustment to
+ * the number of chip selects (NCS) and the actually needed refresh
+ * rate is done by setting MPTPR.
+ *
+ * PTA is calculated from
+ *	PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
+ *
+ *	gclk	  CPU clock (not bus clock!)
+ *	Trefresh  Refresh cycle * 4 (four word bursts used)
+ *
+ * 4096  Rows from SDRAM example configuration
+ * 1000  factor s -> ms
+ *   32  PTP (pre-divider from MPTPR) from SDRAM example configuration
+ *    4  Number of refresh cycles per period
+ *   64  Refresh cycle in ms per number of rows
+ * --------------------------------------------
+ * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
+ *
+ * 50 MHz => 50.000.000 / Divider =  98
+ * 66 Mhz => 66.000.000 / Divider = 129
+ * 80 Mhz => 80.000.000 / Divider = 156
+ */
+#if   defined(CONFIG_80MHz)
+#define CFG_MAMR_PTA		156
+#elif defined(CONFIG_66MHz)
+#define CFG_MAMR_PTA		129
+#else		/*   50 MHz */
+#define CFG_MAMR_PTA		 98
+#endif	/*CONFIG_??MHz */
+
+/*
+ * For 16 MBit, refresh rates could be 31.3 us
+ * (= 64 ms / 2K = 125 / quad bursts).
+ * For a simpler initialization, 15.6 us is used instead.
+ *
+ * #define CFG_MPTPR_2BK_2K	MPTPR_PTP_DIV32		for 2 banks
+ * #define CFG_MPTPR_1BK_2K	MPTPR_PTP_DIV64		for 1 bank
+ */
+#define CFG_MPTPR 0x400
+
+/*
+ * MAMR settings for SDRAM
+ */
+#define CFG_MAMR 0x80802114
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define	BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH	*/
+#define BOOTFLAG_WARM	0x02		/* Software reboot			*/
+
+
+#define CONFIG_AUTOBOOT_KEYED		/* use key strings to stop autoboot */
+#if 0
+#define CONFIG_AUTOBOOT_PROMPT		"Boote in %d Sekunden - stop mit \"2\"\n"
+#endif
+#define CONFIG_AUTOBOOT_STOP_STR	"2" /* easy to stop for now */
+
+#endif	/* __CONFIG_H */