Initial revision

1 files changed, 980 insertions, 0 deletions

diff --git a/include/configs/sbc8260.h b/include/configs/sbc8260.h
new file mode 100644
index 0000000000..b89f503b66
--- /dev/null
+++ b/include/configs/sbc8260.h
@@ -0,0 +1,980 @@
+/*
+ * (C) Copyright 2000
+ * Murray Jensen <Murray.Jensen@cmst.csiro.au>
+ *
+ * (C) Copyright 2000
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2001
+ * Advent Networks, Inc. <http://www.adventnetworks.com>
+ * Jay Monkman <jtm@smoothsmoothie.com>
+ *
+ * Configuration settings for the WindRiver SBC8260 board.
+ *	See http://www.windriver.com/products/html/sbc8260.html
+ *
+ * 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
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/* Enable debug prints */
+#undef DEBUG		      /* General debug */
+#undef DEBUG_BOOTP_EXT	      /* Debug received vendor fields */
+
+/*****************************************************************************
+ *
+ * These settings must match the way _your_ board is set up
+ *
+ *****************************************************************************/
+
+/* What is the oscillator's (UX2) frequency in Hz? */
+#define CONFIG_8260_CLKIN  (66 * 1000 * 1000)
+
+/*-----------------------------------------------------------------------
+ * MODCK_H & MODCLK[1-3] - Ref: Section 9.2 in MPC8206 User Manual
+ *-----------------------------------------------------------------------
+ * What should MODCK_H be? It is dependent on the oscillator
+ * frequency, MODCK[1-3], and desired CPM and core frequencies.
+ * Here are some example values (all frequencies are in MHz):
+ *
+ * MODCK_H   MODCK[1-3]	 Osc	CPM    Core  S2-6   S2-7   S2-8
+ * -------   ----------	 ---	---    ----  -----  -----  -----
+ * 0x1	     0x5	 33	100    133   Open   Close  Open
+ * 0x1	     0x6	 33	100    166   Open   Open   Close
+ * 0x1	     0x7	 33	100    200   Open   Open   Open
+ *
+ * 0x2	     0x2	 33	133    133   Close  Open   Close
+ * 0x2	     0x3	 33	133    166   Close  Open   Open
+ * 0x2	     0x4	 33	133    200   Open   Close  Close
+ * 0x2	     0x5	 33	133    233   Open   Close  Open
+ * 0x2	     0x6	 33	133    266   Open   Open   Close
+ *
+ * 0x5	     0x5	 66	133    133   Open   Close  Open
+ * 0x5	     0x6	 66	133    166   Open   Open   Close
+ * 0x5	     0x7	 66	133    200   Open   Open   Open
+ * 0x6	     0x0	 66	133    233   Close  Close  Close
+ * 0x6	     0x1	 66	133    266   Close  Close  Open
+ * 0x6	     0x2	 66	133    300   Close  Open   Close
+ */
+#define CFG_SBC_MODCK_H 0x05
+
+/* Define this if you want to boot from 0x00000100. If you don't define
+ * this, you will need to program the bootloader to 0xfff00000, and
+ * get the hardware reset config words at 0xfe000000. The simplest
+ * way to do that is to program the bootloader at both addresses.
+ * It is suggested that you just let U-Boot live at 0x00000000.
+ */
+#define CFG_SBC_BOOT_LOW 1
+
+/* What should the base address of the main FLASH be and how big is
+ * it (in MBytes)? This must contain TEXT_BASE from board/sbc8260/config.mk
+ * The main FLASH is whichever is connected to *CS0. U-Boot expects
+ * this to be the SIMM.
+ */
+#define CFG_FLASH0_BASE 0x40000000
+#define CFG_FLASH0_SIZE 4
+
+/* What should the base address of the secondary FLASH be and how big
+ * is it (in Mbytes)? The secondary FLASH is whichever is connected
+ * to *CS6. U-Boot expects this to be the on board FLASH. If you don't
+ * want it enabled, don't define these constants.
+ */
+#define CFG_FLASH1_BASE 0x60000000
+#define CFG_FLASH1_SIZE 2
+
+/* What should be the base address of SDRAM DIMM and how big is
+ * it (in Mbytes)?
+*/
+#define CFG_SDRAM0_BASE 0x00000000
+#define CFG_SDRAM0_SIZE 64
+
+/* What should be the base address of the LEDs and switch S0?
+ * If you don't want them enabled, don't define this.
+ */
+#define CFG_LED_BASE 0xa0000000
+
+
+/*
+ * SBC8260 with 16 MB DIMM:
+ *
+ *     0x0000 0000     Exception Vector code, 8k
+ *	     :
+ *     0x0000 1FFF
+ *     0x0000 2000     Free for Application Use
+ *	     :
+ *	     :
+ *
+ *	     :
+ *	     :
+ *     0x00F5 FF30     Monitor Stack (Growing downward)
+ *		       Monitor Stack Buffer (0x80)
+ *     0x00F5 FFB0     Board Info Data
+ *     0x00F6 0000     Malloc Arena
+ *	     :		    CFG_ENV_SECT_SIZE, 256k
+ *	     :		    CFG_MALLOC_LEN,    128k
+ *     0x00FC 0000     RAM Copy of Monitor Code
+ *	     :		    CFG_MONITOR_LEN,   256k
+ *     0x00FF FFFF     [End of RAM], CFG_SDRAM_SIZE - 1
+ */
+
+/*
+ * SBC8260 with 64 MB DIMM:
+ *
+ *     0x0000 0000     Exception Vector code, 8k
+ *	     :
+ *     0x0000 1FFF
+ *     0x0000 2000     Free for Application Use
+ *	     :
+ *	     :
+ *
+ *	     :
+ *	     :
+ *     0x03F5 FF30     Monitor Stack (Growing downward)
+ *		       Monitor Stack Buffer (0x80)
+ *     0x03F5 FFB0     Board Info Data
+ *     0x03F6 0000     Malloc Arena
+ *	     :		    CFG_ENV_SECT_SIZE, 256k
+ *	     :		    CFG_MALLOC_LEN,    128k
+ *     0x03FC 0000     RAM Copy of Monitor Code
+ *	     :		    CFG_MONITOR_LEN,   256k
+ *     0x03FF FFFF     [End of RAM], CFG_SDRAM_SIZE - 1
+ */
+
+
+/*
+ * select serial console configuration
+ *
+ * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
+ * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
+ * for SCC).
+ *
+ * if CONFIG_CONS_NONE is defined, then the serial console routines must
+ * defined elsewhere.
+ */
+#define CONFIG_CONS_ON_SMC	1	/* define if console on SMC */
+#undef	CONFIG_CONS_ON_SCC		/* define if console on SCC */
+#undef	CONFIG_CONS_NONE		/* define if console on neither */
+#define CONFIG_CONS_INDEX	1	/* which SMC/SCC channel for console */
+
+/*
+ * select ethernet configuration
+ *
+ * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
+ * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
+ * for FCC)
+ *
+ * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
+ * defined elsewhere (as for the console), or CFG_CMD_NET must be removed
+ * from CONFIG_COMMANDS to remove support for networking.
+ */
+
+#undef	CONFIG_ETHER_ON_SCC
+#define CONFIG_ETHER_ON_FCC
+#undef	CONFIG_ETHER_NONE		/* define if ethernet on neither */
+
+#ifdef	CONFIG_ETHER_ON_SCC
+#define CONFIG_ETHER_INDEX	1	/* which SCC/FCC channel for ethernet */
+#endif	/* CONFIG_ETHER_ON_SCC */
+
+#ifdef	CONFIG_ETHER_ON_FCC
+#define CONFIG_ETHER_INDEX	2	/* which SCC/FCC channel for ethernet */
+#define CONFIG_MII			/* MII PHY management		*/
+#define CONFIG_BITBANGMII		/* bit-bang MII PHY management	*/
+/*
+ * Port pins used for bit-banged MII communictions (if applicable).
+ */
+#define MDIO_PORT	2	/* Port C */
+#define MDIO_ACTIVE	(iop->pdir |=  0x00400000)
+#define MDIO_TRISTATE	(iop->pdir &= ~0x00400000)
+#define MDIO_READ	((iop->pdat &  0x00400000) != 0)
+
+#define MDIO(bit)	if(bit) iop->pdat |=  0x00400000; \
+			else	iop->pdat &= ~0x00400000
+
+#define MDC(bit)	if(bit) iop->pdat |=  0x00200000; \
+			else	iop->pdat &= ~0x00200000
+
+#define MIIDELAY	udelay(1)
+#endif	/* CONFIG_ETHER_ON_FCC */
+
+#if defined(CONFIG_ETHER_ON_SCC) && (CONFIG_ETHER_INDEX == 1)
+
+/*
+ *  - RX clk is CLK11
+ *  - TX clk is CLK12
+ */
+# define CFG_CMXSCR_VALUE	(CMXSCR_RS1CS_CLK11  | CMXSCR_TS1CS_CLK12)
+
+#elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 2)
+
+/*
+ * - Rx-CLK is CLK13
+ * - Tx-CLK is CLK14
+ * - Select bus for bd/buffers (see 28-13)
+ * - Enable Full Duplex in FSMR
+ */
+# define CFG_CMXFCR_MASK	(CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
+# define CFG_CMXFCR_VALUE	(CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
+# define CFG_CPMFCR_RAMTYPE	0
+# define CFG_FCC_PSMR		(FCC_PSMR_FDE | FCC_PSMR_LPB)
+
+#endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */
+
+/*
+ * select SPI support configuration
+ */
+#undef  CONFIG_SPI			/* enable SPI driver		*/
+
+/*
+ * select i2c support configuration
+ *
+ * Supported configurations are {none, software, hardware} drivers.
+ * If the software driver is chosen, there are some additional
+ * configuration items that the driver uses to drive the port pins.
+ */
+#undef  CONFIG_HARD_I2C			/* I2C with hardware support	*/
+#define CONFIG_SOFT_I2C		1	/* I2C bit-banged		*/
+#define CFG_I2C_SPEED		400000	/* I2C speed and slave address	*/
+#define CFG_I2C_SLAVE		0x7F
+
+/*
+ * Software (bit-bang) I2C driver configuration
+ */
+#ifdef CONFIG_SOFT_I2C
+#define I2C_PORT	3		/* Port A=0, B=1, C=2, D=3 */
+#define I2C_ACTIVE	(iop->pdir |=  0x00010000)
+#define I2C_TRISTATE	(iop->pdir &= ~0x00010000)
+#define I2C_READ	((iop->pdat & 0x00010000) != 0)
+#define I2C_SDA(bit)	if(bit) iop->pdat |=  0x00010000; \
+			else    iop->pdat &= ~0x00010000
+#define I2C_SCL(bit)	if(bit) iop->pdat |=  0x00020000; \
+			else    iop->pdat &= ~0x00020000
+#define I2C_DELAY	udelay(5)	/* 1/4 I2C clock duration */
+#endif /* CONFIG_SOFT_I2C */
+
+
+/* Define this to reserve an entire FLASH sector (256 KB) for
+ * environment variables. Otherwise, the environment will be
+ * put in the same sector as U-Boot, and changing variables
+ * will erase U-Boot temporarily
+ */
+#define CFG_ENV_IN_OWN_SECT	1
+
+/* Define to allow the user to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+/* What should the console's baud rate be? */
+#define CONFIG_BAUDRATE		9600
+
+/* Ethernet MAC address */
+#define CONFIG_ETHADDR		00:a0:1e:a8:7b:cb
+
+/*
+ * Define this to set the last octet of the ethernet address from the
+ * DS0-DS7 switch and light the LEDs with the result. The DS0-DS7
+ * switch and the LEDs are backwards with respect to each other. DS7
+ * is on the board edge side of both the LED strip and the DS0-DS7
+ * switch.
+ */
+#if 0
+# define CONFIG_MISC_INIT_R
+#endif
+
+/* Set to a positive value to delay for running BOOTCOMMAND */
+#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds */
+
+#if 0
+/* Be selective on what keys can delay or stop the autoboot process
+ *     To stop	use: " "
+ */
+# define CONFIG_AUTOBOOT_KEYED
+# define CONFIG_AUTOBOOT_PROMPT "Autobooting in %d seconds, press \" \" to stop\n"
+# define CONFIG_AUTOBOOT_STOP_STR	" "
+# undef CONFIG_AUTOBOOT_DELAY_STR
+# define DEBUG_BOOTKEYS		0
+#endif
+
+/* Define a command string that is automatically executed when no character
+ * is read on the console interface withing "Boot Delay" after reset.
+ */
+#define CONFIG_BOOT_ROOT_INITRD 0	/* Use ram disk for the root file system */
+#define CONFIG_BOOT_ROOT_NFS	1	/* Use a NFS mounted root file system */
+
+#if CONFIG_BOOT_ROOT_INITRD
+#define CONFIG_BOOTCOMMAND \
+	"version;" \
+	"echo;" \
+	"bootp;" \
+	"setenv bootargs root=/dev/ram0 rw " \
+	"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \
+	"bootm"
+#endif /* CONFIG_BOOT_ROOT_INITRD */
+
+#if CONFIG_BOOT_ROOT_NFS
+#define CONFIG_BOOTCOMMAND \
+	"version;" \
+	"echo;" \
+	"bootp;" \
+	"setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
+	"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \
+	"bootm"
+#endif /* CONFIG_BOOT_ROOT_NFS */
+
+/* Add support for a few extra bootp options like:
+ *	- File size
+ *	- DNS
+ */
+#define CONFIG_BOOTP_MASK	(CONFIG_BOOTP_DEFAULT | \
+				 CONFIG_BOOTP_BOOTFILESIZE | \
+				 CONFIG_BOOTP_DNS)
+
+/* undef this to save memory */
+#define CFG_LONGHELP
+
+/* Monitor Command Prompt */
+#define CFG_PROMPT		"=> "
+
+/* What U-Boot subsytems do you want enabled? */
+#ifdef CONFIG_ETHER_ON_FCC
+# define CONFIG_COMMANDS	(((CONFIG_CMD_DFL & ~(CFG_CMD_KGDB))) | \
+				CFG_CMD_ELF	| \
+				CFG_CMD_ASKENV	| \
+				CFG_CMD_ECHO	| \
+				CFG_CMD_I2C	| \
+				CFG_CMD_SDRAM   | \
+				CFG_CMD_REGINFO | \
+				CFG_CMD_IMMAP	| \
+				CFG_CMD_MII	)
+#else
+# define CONFIG_COMMANDS	(((CONFIG_CMD_DFL & ~(CFG_CMD_KGDB))) | \
+				CFG_CMD_ELF	| \
+				CFG_CMD_ASKENV	| \
+				CFG_CMD_ECHO	| \
+				CFG_CMD_I2C	| \
+				CFG_CMD_SDRAM   | \
+				CFG_CMD_REGINFO | \
+				CFG_CMD_IMMAP	)
+#endif /* CONFIG_ETHER_ON_FCC */
+
+/* Where do the internal registers live? */
+#define CFG_IMMR		0xF0000000
+
+/*****************************************************************************
+ *
+ * You should not have to modify any of the following settings
+ *
+ *****************************************************************************/
+
+#define CONFIG_MPC8260		1	/* This is an MPC8260 CPU   */
+#define CONFIG_SBC8260		1	/* on an EST SBC8260 Board  */
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+/*
+ * Miscellaneous configurable options
+ */
+#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
+
+/* Print Buffer Size */
+#define CFG_PBSIZE	  (CFG_CBSIZE + sizeof(CFG_PROMPT)+16)
+
+#define CFG_MAXARGS		32	/* max number of command args	*/
+
+#define CFG_BARGSIZE		CFG_CBSIZE /* Boot Argument Buffer Size	   */
+
+#define CFG_LOAD_ADDR		0x140000   /* default load address */
+#define CFG_HZ			1000	/* decrementer freq: 1 ms ticks */
+
+#define CFG_MEMTEST_START	0x2000	/* memtest works from the end of */
+					/* the exception vector table */
+					/* to the end of the DRAM  */
+					/* less monitor and malloc area */
+#define CFG_STACK_USAGE		0x10000 /* Reserve 64k for the stack usage */
+#define CFG_MEM_END_USAGE	( CFG_MONITOR_LEN \
+				+ CFG_MALLOC_LEN \
+				+ CFG_ENV_SECT_SIZE \
+				+ CFG_STACK_USAGE )
+
+#define CFG_MEMTEST_END		( CFG_SDRAM_SIZE * 1024 * 1024 \
+				- CFG_MEM_END_USAGE )
+
+/* valid baudrates */
+#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.
+ */
+
+#define CFG_FLASH_BASE	CFG_FLASH0_BASE
+#define CFG_FLASH_SIZE	CFG_FLASH0_SIZE
+#define CFG_SDRAM_BASE	CFG_SDRAM0_BASE
+#define CFG_SDRAM_SIZE	CFG_SDRAM0_SIZE
+
+/*-----------------------------------------------------------------------
+ * Hard Reset Configuration Words
+ */
+#if defined(CFG_SBC_BOOT_LOW)
+#  define  CFG_SBC_HRCW_BOOT_FLAGS  (HRCW_CIP | HRCW_BMS)
+#else
+#  define  CFG_SBC_HRCW_BOOT_FLAGS  (0)
+#endif /* defined(CFG_SBC_BOOT_LOW) */
+
+/* get the HRCW ISB field from CFG_IMMR */
+#define CFG_SBC_HRCW_IMMR	( ((CFG_IMMR & 0x10000000) >> 10) | \
+				  ((CFG_IMMR & 0x01000000) >>  7) | \
+				  ((CFG_IMMR & 0x00100000) >>  4) )
+
+#define CFG_HRCW_MASTER		( HRCW_BPS11				| \
+				  HRCW_DPPC11				| \
+				  CFG_SBC_HRCW_IMMR			| \
+				  HRCW_MMR00				| \
+				  HRCW_LBPC11				| \
+				  HRCW_APPC10				| \
+				  HRCW_CS10PC00				| \
+				  (CFG_SBC_MODCK_H & HRCW_MODCK_H1111)	| \
+				  CFG_SBC_HRCW_BOOT_FLAGS )
+
+/* no slaves */
+#define CFG_HRCW_SLAVE1		0
+#define CFG_HRCW_SLAVE2		0
+#define CFG_HRCW_SLAVE3		0
+#define CFG_HRCW_SLAVE4		0
+#define CFG_HRCW_SLAVE5		0
+#define CFG_HRCW_SLAVE6		0
+#define CFG_HRCW_SLAVE7		0
+
+/*-----------------------------------------------------------------------
+ * Definitions for initial stack pointer and data area (in DPRAM)
+ */
+#define CFG_INIT_RAM_ADDR	CFG_IMMR
+#define CFG_INIT_RAM_END	0x4000	/* End of used area in DPRAM	*/
+#define CFG_GBL_DATA_SIZE	128	/* 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
+ * Note also that the logic that sets CFG_RAMBOOT is platform dependent.
+ */
+#define CFG_MONITOR_BASE	CFG_FLASH0_BASE
+
+#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
+#  define CFG_RAMBOOT
+#endif
+
+#define CFG_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor	*/
+#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 and environment organization
+ */
+#define CFG_MAX_FLASH_BANKS	1	/* max number of memory banks		*/
+#define CFG_MAX_FLASH_SECT	16	/* max number of sectors on one chip	*/
+
+#define CFG_FLASH_ERASE_TOUT	8000	/* Timeout for Flash Erase (in ms)	*/
+#define CFG_FLASH_WRITE_TOUT	1	/* Timeout for Flash Write (in ms)	*/
+
+#ifndef CFG_RAMBOOT
+#  define CFG_ENV_IS_IN_FLASH	1
+
+#  ifdef CFG_ENV_IN_OWN_SECT
+#    define CFG_ENV_ADDR	(CFG_MONITOR_BASE + 0x40000)
+#    define CFG_ENV_SECT_SIZE	0x40000
+#  else
+#    define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_MONITOR_LEN - CFG_ENV_SECT_SIZE)
+#    define CFG_ENV_SIZE	0x1000	/* Total Size of Environment Sector	*/
+#    define CFG_ENV_SECT_SIZE	0x10000 /* see README - env sect real size	*/
+#  endif /* CFG_ENV_IN_OWN_SECT */
+
+#else
+#  define CFG_ENV_IS_IN_NVRAM	1
+#  define CFG_ENV_ADDR		(CFG_MONITOR_BASE - 0x1000)
+#  define CFG_ENV_SIZE		0x200
+#endif /* CFG_RAMBOOT */
+
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CFG_CACHELINE_SIZE	32	/* For MPC8260 CPU */
+
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+# define CFG_CACHELINE_SHIFT	5	/* log base 2 of the above value */
+#endif
+
+/*-----------------------------------------------------------------------
+ * HIDx - Hardware Implementation-dependent Registers			 2-11
+ *-----------------------------------------------------------------------
+ * HID0 also contains cache control - initially enable both caches and
+ * invalidate contents, then the final state leaves only the instruction
+ * cache enabled. Note that Power-On and Hard reset invalidate the caches,
+ * but Soft reset does not.
+ *
+ * HID1 has only read-only information - nothing to set.
+ */
+#define CFG_HID0_INIT	(HID0_ICE  |\
+			 HID0_DCE  |\
+			 HID0_ICFI |\
+			 HID0_DCI  |\
+			 HID0_IFEM |\
+			 HID0_ABE)
+
+#define CFG_HID0_FINAL	(HID0_ICE  |\
+			 HID0_IFEM |\
+			 HID0_ABE  |\
+			 HID0_EMCP)
+#define CFG_HID2	0
+
+/*-----------------------------------------------------------------------
+ * RMR - Reset Mode Register
+ *-----------------------------------------------------------------------
+ */
+#define CFG_RMR		0
+
+/*-----------------------------------------------------------------------
+ * BCR - Bus Configuration					 4-25
+ *-----------------------------------------------------------------------
+ */
+#define CFG_BCR		(BCR_ETM)
+
+/*-----------------------------------------------------------------------
+ * SIUMCR - SIU Module Configuration				 4-31
+ *-----------------------------------------------------------------------
+ */
+
+#define CFG_SIUMCR	(SIUMCR_DPPC11	|\
+			 SIUMCR_L2CPC00 |\
+			 SIUMCR_APPC10	|\
+			 SIUMCR_MMR00)
+
+
+/*-----------------------------------------------------------------------
+ * SYPCR - System Protection Control				11-9
+ * SYPCR can only be written once after reset!
+ *-----------------------------------------------------------------------
+ * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
+ */
+#define CFG_SYPCR	(SYPCR_SWTC |\
+			 SYPCR_BMT  |\
+			 SYPCR_PBME |\
+			 SYPCR_LBME |\
+			 SYPCR_SWRI |\
+			 SYPCR_SWP)
+
+/*-----------------------------------------------------------------------
+ * TMCNTSC - Time Counter Status and Control			 4-40
+ *-----------------------------------------------------------------------
+ * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
+ * and enable Time Counter
+ */
+#define CFG_TMCNTSC	(TMCNTSC_SEC |\
+			 TMCNTSC_ALR |\
+			 TMCNTSC_TCF |\
+			 TMCNTSC_TCE)
+
+/*-----------------------------------------------------------------------
+ * PISCR - Periodic Interrupt Status and Control		 4-42
+ *-----------------------------------------------------------------------
+ * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
+ * Periodic timer
+ */
+#define CFG_PISCR	(PISCR_PS  |\
+			 PISCR_PTF |\
+			 PISCR_PTE)
+
+/*-----------------------------------------------------------------------
+ * SCCR - System Clock Control					 9-8
+ *-----------------------------------------------------------------------
+ */
+#define CFG_SCCR	0
+
+/*-----------------------------------------------------------------------
+ * RCCR - RISC Controller Configuration				13-7
+ *-----------------------------------------------------------------------
+ */
+#define CFG_RCCR	0
+
+/*
+ * Initialize Memory Controller:
+ *
+ * Bank Bus	Machine PortSz	Device
+ * ---- ---	------- ------	------
+ *  0	60x	GPCM	32 bit	FLASH (SIMM - 4MB) *
+ *  1	60x	GPCM	32 bit	FLASH (SIMM - Unused)
+ *  2	60x	SDRAM	64 bit	SDRAM (DIMM - 16MB or 64MB)
+ *  3	60x	SDRAM	64 bit	SDRAM (DIMM - Unused)
+ *  4	Local	SDRAM	32 bit	SDRAM (on board - 4MB)
+ *  5	60x	GPCM	 8 bit	EEPROM (8KB)
+ *  6	60x	GPCM	 8 bit	FLASH  (on board - 2MB) *
+ *  7	60x	GPCM	 8 bit	LEDs, switches
+ *
+ *  (*) This configuration requires the SBC8260 be configured
+ *	so that *CS0 goes to the FLASH SIMM, and *CS6 goes to
+ *	the on board FLASH. In other words, JP24 should have
+ *	pins 1 and 2 jumpered and pins 3 and 4 jumpered.
+ *
+ */
+
+/*-----------------------------------------------------------------------
+ * BR0,BR1 - Base Register
+ *     Ref: Section 10.3.1 on page 10-14
+ * OR0,OR1 - Option Register
+ *     Ref: Section 10.3.2 on page 10-18
+ *-----------------------------------------------------------------------
+ */
+
+/* Bank 0,1 - FLASH SIMM
+ *
+ * This expects the FLASH SIMM to be connected to *CS0
+ * It consists of 4 AM29F080B parts.
+ *
+ * Note: For the 4 MB SIMM, *CS1 is unused.
+ */
+
+/* BR0 is configured as follows:
+ *
+ *     - Base address of 0x40000000
+ *     - 32 bit port size
+ *     - Data errors checking is disabled
+ *     - Read and write access
+ *     - GPCM 60x bus
+ *     - Access are handled by the memory controller according to MSEL
+ *     - Not used for atomic operations
+ *     - No data pipelining is done
+ *     - Valid
+ */
+#define CFG_BR0_PRELIM	((CFG_FLASH0_BASE & BRx_BA_MSK) |\
+			 BRx_PS_32			|\
+			 BRx_MS_GPCM_P			|\
+			 BRx_V)
+
+/* OR0 is configured as follows:
+ *
+ *     - 4 MB
+ *     - *BCTL0 is asserted upon access to the current memory bank
+ *     - *CW / *WE are negated a quarter of a clock earlier
+ *     - *CS is output at the same time as the address lines
+ *     - Uses a clock cycle length of 5
+ *     - *PSDVAL is generated internally by the memory controller
+ *	 unless *GTA is asserted earlier externally.
+ *     - Relaxed timing is generated by the GPCM for accesses
+ *	 initiated to this memory region.
+ *     - One idle clock is inserted between a read access from the
+ *	 current bank and the next access.
+ */
+#define CFG_OR0_PRELIM	(MEG_TO_AM(CFG_FLASH0_SIZE)	|\
+			 ORxG_CSNT			|\
+			 ORxG_ACS_DIV1			|\
+			 ORxG_SCY_5_CLK			|\
+			 ORxG_TRLX			|\
+			 ORxG_EHTR)
+
+/*-----------------------------------------------------------------------
+ * BR2,BR3 - Base Register
+ *     Ref: Section 10.3.1 on page 10-14
+ * OR2,OR3 - Option Register
+ *     Ref: Section 10.3.2 on page 10-16
+ *-----------------------------------------------------------------------
+ */
+
+/* Bank 2,3 - SDRAM DIMM
+ *
+ *     16MB DIMM: P/N
+ *     64MB DIMM: P/N  1W-8864X8-4-P1-EST
+ *
+ * Note: *CS3 is unused for this DIMM
+ */
+
+/* With a 16 MB or 64 MB DIMM, the BR2 is configured as follows:
+ *
+ *     - Base address of 0x00000000
+ *     - 64 bit port size (60x bus only)
+ *     - Data errors checking is disabled
+ *     - Read and write access
+ *     - SDRAM 60x bus
+ *     - Access are handled by the memory controller according to MSEL
+ *     - Not used for atomic operations
+ *     - No data pipelining is done
+ *     - Valid
+ */
+#define CFG_BR2_PRELIM	((CFG_SDRAM0_BASE & BRx_BA_MSK) |\
+			 BRx_PS_64			|\
+			 BRx_MS_SDRAM_P			|\
+			 BRx_V)
+
+#define CFG_BR3_PRELIM	((CFG_SDRAM0_BASE & BRx_BA_MSK) |\
+			 BRx_PS_64			|\
+			 BRx_MS_SDRAM_P			|\
+			 BRx_V)
+
+/* With a 16 MB DIMM, the OR2 is configured as follows:
+ *
+ *     - 16 MB
+ *     - 2 internal banks per device
+ *     - Row start address bit is A9 with PSDMR[PBI] = 0
+ *     - 11 row address lines
+ *     - Back-to-back page mode
+ *     - Internal bank interleaving within save device enabled
+ */
+#if (CFG_SDRAM0_SIZE == 16)
+#define CFG_OR2_PRELIM	(MEG_TO_AM(CFG_SDRAM0_SIZE)	|\
+			 ORxS_BPD_2			|\
+			 ORxS_ROWST_PBI0_A9		|\
+			 ORxS_NUMR_11)
+#endif
+
+/* With a 64 MB DIMM, the OR2 is configured as follows:
+ *
+ *     - 64 MB
+ *     - 4 internal banks per device
+ *     - Row start address bit is A8 with PSDMR[PBI] = 0
+ *     - 12 row address lines
+ *     - Back-to-back page mode
+ *     - Internal bank interleaving within save device enabled
+ */
+#if (CFG_SDRAM0_SIZE == 64)
+#define CFG_OR2_PRELIM	(MEG_TO_AM(CFG_SDRAM0_SIZE)	|\
+			 ORxS_BPD_4			|\
+			 ORxS_ROWST_PBI0_A8		|\
+			 ORxS_NUMR_12)
+#endif
+
+/*-----------------------------------------------------------------------
+ * PSDMR - 60x Bus SDRAM Mode Register
+ *     Ref: Section 10.3.3 on page 10-21
+ *-----------------------------------------------------------------------
+ */
+
+/* Address that the DIMM SPD memory lives at.
+ */
+#define SDRAM_SPD_ADDR 0x54
+
+#if (CFG_SDRAM0_SIZE == 16)
+/* With a 16 MB DIMM, the PSDMR is configured as follows:
+ *
+ *     - Bank Based Interleaving,
+ *     - Refresh Enable,
+ *     - Address Multiplexing where A5 is output on A14 pin
+ *	 (A6 on A15, and so on),
+ *     - use address pins A16-A18 as bank select,
+ *     - A9 is output on SDA10 during an ACTIVATE command,
+ *     - earliest timing for ACTIVATE command after REFRESH command is 7 clocks,
+ *     - earliest timing for ACTIVATE or REFRESH command after PRECHARGE command
+ *	 is 3 clocks,
+ *     - earliest timing for READ/WRITE command after ACTIVATE command is
+ *	 2 clocks,
+ *     - earliest timing for PRECHARGE after last data was read is 1 clock,
+ *     - earliest timing for PRECHARGE after last data was written is 1 clock,
+ *     - CAS Latency is 2.
+ */
+#define CFG_PSDMR	(PSDMR_RFEN	      |\
+			 PSDMR_SDAM_A14_IS_A5 |\
+			 PSDMR_BSMA_A16_A18   |\
+			 PSDMR_SDA10_PBI0_A9  |\
+			 PSDMR_RFRC_7_CLK     |\
+			 PSDMR_PRETOACT_3W    |\
+			 PSDMR_ACTTORW_2W     |\
+			 PSDMR_LDOTOPRE_1C    |\
+			 PSDMR_WRC_1C	      |\
+			 PSDMR_CL_2)
+#endif
+
+#if (CFG_SDRAM0_SIZE == 64)
+/* With a 64 MB DIMM, the PSDMR is configured as follows:
+ *
+ *     - Bank Based Interleaving,
+ *     - Refresh Enable,
+ *     - Address Multiplexing where A5 is output on A14 pin
+ *	 (A6 on A15, and so on),
+ *     - use address pins A14-A16 as bank select,
+ *     - A9 is output on SDA10 during an ACTIVATE command,
+ *     - earliest timing for ACTIVATE command after REFRESH command is 7 clocks,
+ *     - earliest timing for ACTIVATE or REFRESH command after PRECHARGE command
+ *	 is 3 clocks,
+ *     - earliest timing for READ/WRITE command after ACTIVATE command is
+ *	 2 clocks,
+ *     - earliest timing for PRECHARGE after last data was read is 1 clock,
+ *     - earliest timing for PRECHARGE after last data was written is 1 clock,
+ *     - CAS Latency is 2.
+ */
+#define CFG_PSDMR	(PSDMR_RFEN	      |\
+			 PSDMR_SDAM_A14_IS_A5 |\
+			 PSDMR_BSMA_A14_A16   |\
+			 PSDMR_SDA10_PBI0_A9  |\
+			 PSDMR_RFRC_7_CLK     |\
+			 PSDMR_PRETOACT_3W    |\
+			 PSDMR_ACTTORW_2W     |\
+			 PSDMR_LDOTOPRE_1C    |\
+			 PSDMR_WRC_1C	      |\
+			 PSDMR_CL_2)
+#endif
+
+/*
+ * Shoot for approximately 1MHz on the prescaler.
+ */
+#if (CONFIG_8260_CLKIN == (66 * 1000 * 1000))
+#define CFG_MPTPR	MPTPR_PTP_DIV64
+#elif (CONFIG_8260_CLKIN == (33 * 1000 * 1000))
+#define CFG_MPTPR	MPTPR_PTP_DIV32
+#else
+#warning "Unconfigured bus clock freq: check CFG_MPTPR and CFG_PSRT are OK"
+#define CFG_MPTPR	MPTPR_PTP_DIV32
+#endif
+#define CFG_PSRT	14
+
+
+/* Bank 4 - On board SDRAM
+ *
+ * This is not implemented yet.
+ */
+
+/*-----------------------------------------------------------------------
+ * BR6 - Base Register
+ *     Ref: Section 10.3.1 on page 10-14
+ * OR6 - Option Register
+ *     Ref: Section 10.3.2 on page 10-18
+ *-----------------------------------------------------------------------
+ */
+
+/* Bank 6 - On board FLASH
+ *
+ * This expects the on board FLASH SIMM to be connected to *CS6
+ * It consists of 1 AM29F016A part.
+ */
+#if (defined(CFG_FLASH1_BASE) && defined(CFG_FLASH1_SIZE))
+
+/* BR6 is configured as follows:
+ *
+ *     - Base address of 0x60000000
+ *     - 8 bit port size
+ *     - Data errors checking is disabled
+ *     - Read and write access
+ *     - GPCM 60x bus
+ *     - Access are handled by the memory controller according to MSEL
+ *     - Not used for atomic operations
+ *     - No data pipelining is done
+ *     - Valid
+ */
+#  define CFG_BR6_PRELIM  ((CFG_FLASH1_BASE & BRx_BA_MSK) |\
+			   BRx_PS_8			  |\
+			   BRx_MS_GPCM_P		  |\
+			   BRx_V)
+
+/* OR6 is configured as follows:
+ *
+ *     - 2 MB
+ *     - *BCTL0 is asserted upon access to the current memory bank
+ *     - *CW / *WE are negated a quarter of a clock earlier
+ *     - *CS is output at the same time as the address lines
+ *     - Uses a clock cycle length of 5
+ *     - *PSDVAL is generated internally by the memory controller
+ *	 unless *GTA is asserted earlier externally.
+ *     - Relaxed timing is generated by the GPCM for accesses
+ *	 initiated to this memory region.
+ *     - One idle clock is inserted between a read access from the
+ *	 current bank and the next access.
+ */
+#  define CFG_OR6_PRELIM  (MEG_TO_AM(CFG_FLASH1_SIZE)  |\
+			   ORxG_CSNT		       |\
+			   ORxG_ACS_DIV1	       |\
+			   ORxG_SCY_5_CLK	       |\
+			   ORxG_TRLX		       |\
+			   ORxG_EHTR)
+#endif /* (defined(CFG_FLASH1_BASE) && defined(CFG_FLASH1_SIZE)) */
+
+/*-----------------------------------------------------------------------
+ * BR7 - Base Register
+ *     Ref: Section 10.3.1 on page 10-14
+ * OR7 - Option Register
+ *     Ref: Section 10.3.2 on page 10-18
+ *-----------------------------------------------------------------------
+ */
+
+/* Bank 7 - LEDs and switches
+ *
+ *  LEDs     are at 0x00001 (write only)
+ *  switches are at 0x00001 (read only)
+ */
+#ifdef CFG_LED_BASE
+
+/* BR7 is configured as follows:
+ *
+ *     - Base address of 0xA0000000
+ *     - 8 bit port size
+ *     - Data errors checking is disabled
+ *     - Read and write access
+ *     - GPCM 60x bus
+ *     - Access are handled by the memory controller according to MSEL
+ *     - Not used for atomic operations
+ *     - No data pipelining is done
+ *     - Valid
+ */
+#  define CFG_BR7_PRELIM  ((CFG_LED_BASE & BRx_BA_MSK)	 |\
+			   BRx_PS_8			 |\
+			   BRx_MS_GPCM_P		 |\
+			   BRx_V)
+
+/* OR7 is configured as follows:
+ *
+ *     - 1 byte
+ *     - *BCTL0 is asserted upon access to the current memory bank
+ *     - *CW / *WE are negated a quarter of a clock earlier
+ *     - *CS is output at the same time as the address lines
+ *     - Uses a clock cycle length of 15
+ *     - *PSDVAL is generated internally by the memory controller
+ *	 unless *GTA is asserted earlier externally.
+ *     - Relaxed timing is generated by the GPCM for accesses
+ *	 initiated to this memory region.
+ *     - One idle clock is inserted between a read access from the
+ *	 current bank and the next access.
+ */
+#  define CFG_OR7_PRELIM  (ORxG_AM_MSK		       |\
+			   ORxG_CSNT		       |\
+			   ORxG_ACS_DIV1	       |\
+			   ORxG_SCY_15_CLK	       |\
+			   ORxG_TRLX		       |\
+			   ORxG_EHTR)
+#endif /* CFG_LED_BASE */
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define BOOTFLAG_COLD	0x01	/* Normal Power-On: Boot from FLASH  */
+#define BOOTFLAG_WARM	0x02	/* Software reboot		     */
+
+#endif	/* __CONFIG_H */