Initial revision

1 files changed, 422 insertions, 0 deletions

diff --git a/include/configs/FADS850SAR.h b/include/configs/FADS850SAR.h
new file mode 100644
index 0000000..a104176
--- /dev/null
+++ b/include/configs/FADS850SAR.h
@@ -0,0 +1,422 @@
+ /*
+  * A collection of structures, addresses, and values associated with
+  * the Motorola 860T FADS board.  Copied from the MBX stuff.
+  * Magnus Damm added defines for 8xxrom and extended bd_info.
+  * Helmut Buchsbaum added bitvalues for BCSRx
+  *
+  * Copyright (c) 1998 Dan Malek (dmalek@jlc.net)
+  */
+
+/*
+ * 1999-nov-26: The FADS is using the following physical memorymap:
+ *
+ * ff020000 -> ff02ffff : pcmcia
+ * ff010000 -> ff01ffff : BCSR       connected to CS1, setup by 8xxrom
+ * ff000000 -> ff00ffff : IMAP       internal in the cpu
+ * fe000000 -> ffnnnnnn : flash      connected to CS0, setup by 8xxrom
+ * 00000000 -> nnnnnnnn : sdram/dram setup by 8xxrom
+ */
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * board/config.h - configuration options, board specific
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#include <mpc8xx_irq.h>
+
+#define CONFIG_MPC850		1
+#define CONFIG_MPC850SAR	1
+#define CONFIG_FADS			1
+
+#define	CONFIG_8xx_CONS_SMC1	1	/* Console is on SMC1		*/
+#undef	CONFIG_8xx_CONS_SMC2
+#undef	CONFIG_8xx_CONS_NONE
+#define CONFIG_BAUDRATE		9600
+
+#if 0
+#define MPC8XX_FACT	10				/* Multiply by 10		*/
+#define MPC8XX_XIN	50000000		/* 50 MHz in	*/
+#else
+#define MPC8XX_FACT	12				/* Multiply by 12 */
+#define MPC8XX_XIN	4000000			/* 4 MHz in */
+#endif
+#define MPC8XX_HZ ((MPC8XX_XIN) * (MPC8XX_FACT))
+
+#define	CONFIG_CLOCKS_IN_MHZ	1	/* clocks passsed to Linux in MHz */
+
+#if 1
+#define CONFIG_BOOTDELAY	-1	/* autoboot disabled		*/
+#else
+#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
+#endif
+
+#define CONFIG_BOOTCOMMAND	"bootm 02880000"	/* autoboot command */
+#define CONFIG_BOOTARGS		" "
+
+#undef	CONFIG_WATCHDOG			/* watchdog disabled		*/
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+/*
+ * Miscellaneous configurable options
+ */
+#undef	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	0x00004000	/* memtest works on	*/
+#define CFG_MEMTEST_END		0x00800000	/* 0 ... 8 MB in DRAM	*/
+
+#define CFG_LOAD_ADDR		0x00100000	/* 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			0xFF000000
+#define CFG_IMMR_SIZE		((uint)(64 * 1024))
+
+/*-----------------------------------------------------------------------
+ * 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
+ * Also NOTE that it doesn't mean SDRAM - it means MEMORY.
+ */
+#define	CFG_SDRAM_BASE		0x00000000
+#define CFG_FLASH_BASE		0x02800000
+#define CFG_FLASH_SIZE		((uint)(8 * 1024 * 1024))	/* max 8Mbyte */
+#if 0
+#define	CFG_MONITOR_LEN		(256 << 10)	/* Reserve 128 kB for Monitor	*/
+#else
+#define	CFG_MONITOR_LEN		(512 << 10)	/* Reserve 512 kB for Monitor	*/
+#endif
+#define CFG_MONITOR_BASE	CFG_FLASH_BASE
+#define	CFG_MALLOC_LEN		(256 << 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	8	/* 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		0x00040000	/* Offset of Environment Sector */
+#define	CFG_ENV_SIZE		0x40000	/* 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)
+
+/*-----------------------------------------------------------------------
+ * TBSCR - Time Base Status and Control					11-26
+ *-----------------------------------------------------------------------
+ * Clear Reference Interrupt Status, Timebase freezing enabled
+ */
+#define CFG_TBSCR	(TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
+
+/*-----------------------------------------------------------------------
+ * 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 - leave PLL multiplication factor unchanged !
+ */
+#define CFG_PLPRCR	(((MPC8XX_FACT-1) << 20) | \
+				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
+#define CFG_SCCR       (SCCR_TBS     | \
+				SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
+				SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
+				SCCR_DFALCD00)
+
+ /*-----------------------------------------------------------------------
+ *
+ *-----------------------------------------------------------------------
+ *
+ */
+#define CFG_DER		0
+
+/* Because of the way the 860 starts up and assigns CS0 the
+* entire address space, we have to set the memory controller
+* differently.  Normally, you write the option register
+* first, and then enable the chip select by writing the
+* base register.  For CS0, you must write the base register
+* first, followed by the option register.
+*/
+
+/*
+ * Init Memory Controller:
+ *
+ * BR0/1 and OR0/1 (FLASH)
+ */
+/* the other CS:s are determined by looking at parameters in BCSRx */
+
+
+#define BCSR_ADDR		((uint) 0x02100000)
+#define BCSR_SIZE		((uint)(64 * 1024))
+
+#define FLASH_BASE0_PRELIM	0x02800000	/* FLASH bank #0	*/
+#define FLASH_BASE1_PRELIM	0x00000000	/* FLASH bank #1	*/
+
+#define CFG_REMAP_OR_AM		0x80000000	/* OR addr mask */
+#define CFG_PRELIM_OR_AM	0xFFE00000	/* OR addr mask */
+
+/* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 0	*/
+#define CFG_OR_TIMING_FLASH	(OR_CSNT_SAM  | OR_ACS_DIV4 | OR_BI | OR_SCY_3_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)   /* 1 Mbyte until detected and only 1 Mbyte is needed*/
+#define CFG_BR0_PRELIM	((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
+
+/* BCSRx - Board Control and Status Registers */
+#define CFG_OR1_REMAP	CFG_OR0_REMAP
+#define CFG_OR1_PRELIM	0xffff8110									/* 64Kbyte address space */
+#define CFG_BR1_PRELIM	((BCSR_ADDR) | BR_V )
+
+
+/*
+ * Memory Periodic Timer Prescaler
+ */
+
+/* periodic timer for refresh */
+#define CFG_MAMR_PTA		97		/* start with divider for 100 MHz	*/
+
+/* 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
+ */
+
+/* 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)
+/* 9 column SDRAM */
+#define CFG_MAMR_9COL	((CFG_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE	    |	\
+			 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 |	\
+			 MAMR_RLFA_1X	 | MAMR_WLFA_1X	   | MAMR_TLFA_4X)
+
+#define CFG_MAMR		0x13a01114
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define	BOOTFLAG_COLD			0x01		/* Normal Power-On: Boot from FLASH	*/
+#define BOOTFLAG_WARM			0x02		/* Software reboot			*/
+
+
+/* values according to the manual */
+
+
+#define PCMCIA_MEM_ADDR		((uint)0xff020000)
+#define PCMCIA_MEM_SIZE		((uint)(64 * 1024))
+
+#define	BCSR0			((uint) (BCSR_ADDR + 00))
+#define	BCSR1			((uint) (BCSR_ADDR + 0x04))
+#define	BCSR2			((uint) (BCSR_ADDR + 0x08))
+#define	BCSR3			((uint) (BCSR_ADDR + 0x0c))
+#define	BCSR4			((uint) (BCSR_ADDR + 0x10))
+
+/* FADS bitvalues by Helmut Buchsbaum
+ * see MPC8xxADS User's Manual for a proper description
+ * of the following structures
+ */
+
+#define BCSR0_ERB       ((uint)0x80000000)
+#define BCSR0_IP        ((uint)0x40000000)
+#define BCSR0_BDIS      ((uint)0x10000000)
+#define BCSR0_BPS_MASK  ((uint)0x0C000000)
+#define BCSR0_ISB_MASK  ((uint)0x01800000)
+#define BCSR0_DBGC_MASK ((uint)0x00600000)
+#define BCSR0_DBPC_MASK ((uint)0x00180000)
+#define BCSR0_EBDF_MASK ((uint)0x00060000)
+
+#define BCSR1_FLASH_EN           ((uint)0x80000000)
+#define BCSR1_DRAM_EN            ((uint)0x40000000)
+#define BCSR1_ETHEN              ((uint)0x20000000)
+#define BCSR1_IRDEN              ((uint)0x10000000)
+#define BCSR1_FLASH_CFG_EN       ((uint)0x08000000)
+#define BCSR1_CNT_REG_EN_PROTECT ((uint)0x04000000)
+#define BCSR1_BCSR_EN            ((uint)0x02000000)
+#define BCSR1_RS232EN_1          ((uint)0x01000000)
+#define BCSR1_PCCEN              ((uint)0x00800000)
+#define BCSR1_PCCVCC0            ((uint)0x00400000)
+#define BCSR1_PCCVPP_MASK        ((uint)0x00300000)
+#define BCSR1_DRAM_HALF_WORD     ((uint)0x00080000)
+#define BCSR1_RS232EN_2          ((uint)0x00040000)
+#define BCSR1_SDRAM_EN           ((uint)0x00020000)
+#define BCSR1_PCCVCC1            ((uint)0x00010000)
+
+#define BCSR2_FLASH_PD_MASK      ((uint)0xF0000000)
+#define BCSR2_DRAM_PD_MASK       ((uint)0x07800000)
+#define BCSR2_DRAM_PD_SHIFT      (23)
+#define BCSR2_EXTTOLI_MASK       ((uint)0x00780000)
+#define BCSR2_DBREVNR_MASK       ((uint)0x00030000)
+
+#define BCSR3_DBID_MASK          ((ushort)0x3800)
+#define BCSR3_CNT_REG_EN_PROTECT ((ushort)0x0400)
+#define BCSR3_BREVNR0            ((ushort)0x0080)
+#define BCSR3_FLASH_PD_MASK      ((ushort)0x0070)
+#define BCSR3_BREVN1             ((ushort)0x0008)
+#define BCSR3_BREVN2_MASK        ((ushort)0x0003)
+
+#define BCSR4_ETHLOOP            ((uint)0x80000000)
+#define BCSR4_TFPLDL             ((uint)0x40000000)
+#define BCSR4_TPSQEL             ((uint)0x20000000)
+#define BCSR4_SIGNAL_LAMP        ((uint)0x10000000)
+#ifdef CONFIG_MPC823
+#define BCSR4_USB_EN             ((uint)0x08000000)
+#endif /* CONFIG_MPC823 */
+#ifdef CONFIG_MPC860SAR
+#define BCSR4_UTOPIA_EN          ((uint)0x08000000)
+#endif /* CONFIG_MPC860SAR */
+#ifdef CONFIG_MPC860T
+#define BCSR4_FETH_EN            ((uint)0x08000000)
+#endif /* CONFIG_MPC860T */
+#ifdef CONFIG_MPC823
+#define BCSR4_USB_SPEED          ((uint)0x04000000)
+#endif /* CONFIG_MPC823 */
+#ifdef CONFIG_MPC860T
+#define BCSR4_FETHCFG0           ((uint)0x04000000)
+#endif /* CONFIG_MPC860T */
+#ifdef CONFIG_MPC823
+#define BCSR4_VCCO               ((uint)0x02000000)
+#endif /* CONFIG_MPC823 */
+#ifdef CONFIG_MPC860T
+#define BCSR4_FETHFDE            ((uint)0x02000000)
+#endif /* CONFIG_MPC860T */
+#ifdef CONFIG_MPC823
+#define BCSR4_VIDEO_ON           ((uint)0x00800000)
+#endif /* CONFIG_MPC823 */
+#ifdef CONFIG_MPC823
+#define BCSR4_VDO_EKT_CLK_EN     ((uint)0x00400000)
+#endif /* CONFIG_MPC823 */
+#ifdef CONFIG_MPC860T
+#define BCSR4_FETHCFG1           ((uint)0x00400000)
+#endif /* CONFIG_MPC860T */
+#ifdef CONFIG_MPC823
+#define BCSR4_VIDEO_RST          ((uint)0x00200000)
+#endif /* CONFIG_MPC823 */
+#ifdef CONFIG_MPC860T
+#define BCSR4_FETHRST            ((uint)0x00200000)
+#endif /* CONFIG_MPC860T */
+#define BCSR4_MODEM_EN           ((uint)0x00100000)
+#define BCSR4_DATA_VOICE         ((uint)0x00080000)
+
+#define CONFIG_DRAM_50MHZ		1
+#define CONFIG_SDRAM_50MHZ
+
+#ifdef CONFIG_MPC860T
+
+/* Interrupt level assignments.
+*/
+#define FEC_INTERRUPT	SIU_LEVEL1	/* FEC interrupt */
+
+#endif /* CONFIG_MPC860T */
+
+/* We don't use the 8259.
+*/
+#define NR_8259_INTS	0
+
+/* Machine type
+*/
+#define _MACH_8xx (_MACH_fads)
+
+#define CONFIG_DISK_SPINUP_TIME 1000000
+
+
+/* PCMCIA configuration */
+
+#define PCMCIA_MAX_SLOTS    2
+
+#ifdef CONFIG_MPC860
+#define PCMCIA_SLOT_A 1
+#endif
+
+#endif	/* __CONFIG_H */