Patch by Raghu Krishnaprasad, 7 Aug 2003:

add support for Adder II MPC852T module

1 files changed, 226 insertions, 0 deletions

diff --git a/include/configs/AdderII.h b/include/configs/AdderII.h
new file mode 100644
index 0000000..c2cff23
--- /dev/null
+++ b/include/configs/AdderII.h
@@ -0,0 +1,226 @@
+/******************************************************************************
+* A collection of structures, addresses, and values associated with
+* the Motorola 850T AdderIIF board.  Copied from the FADS 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)
+*******************************************************************************
+* 2003-JUL: The AdderII is using the following physical memorymap:
+*******************************************************************************
+* FA200000 -> FA20FFFF : IMAP   internal in the cpu
+* FE000000 -> FE400000 : flash  connected to CS0, setup by 8xxrom
+* 00000000 -> 00800000 : sdram  setup by 8xxrom
+*******************************************************************************/
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include <mpc8xx_irq.h>
+
+#define	CONFIG_MPC860		1
+#define	CONFIG_MPC860T		1
+#define CONFIG_ADDERII		1
+
+/* CPU Clock speed */
+#define MPC8XX_FACT		12		/* Multilpy by 12 */
+#define MPC8XX_XIN		4000000		/* 4MHz */
+#define MPC8XX_HZ		( MPC8XX_FACT * MPC8XX_XIN )
+
+#define CONFIG_8xx_GCLK_FREQ	MPC8XX_HZ
+#define CONFIG_SDRAM_50MHZ      1
+
+
+/* Default Serial Console, baudrate */
+#define CONFIG_8xx_CONS_SMC1	1		/* Console is on SMC1 */
+#define CONFIG_BAUDRATE		38400
+#define CONFIG_LOADS_ECHO	1
+
+/* FEC Ethernet controller configurations */
+#define CONFIG_FEC_ETH		1
+#define CONFIG_NET_MULTI	1
+#define FEC_ENET		1
+
+/* Interrupt level assignments.
+*/
+#define FEC_INTERRUPT   	SIU_LEVEL3      /* FEC interrupt */
+
+/* Older kernels need clock in MHz newer in Hz */
+#define CONFIG_CLOCKS_IN_MHZ	1
+
+/* Monitor Functions */
+#define CONFIG_COMMANDS		( CFG_CMD_FLASH | \
+				  CFG_CMD_MEMORY| \
+				  CFG_CMD_NET   | \
+				  CFG_CMD_ENV	| \
+				  CFG_CMD_PING  | \
+				  CFG_CMD_SDRAM )
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+/* Configuration Settings */
+#define CFG_PROMPT		"=>"		/* Monitor Command Prompt */
+
+#if ( CONFIG_COMMANDS & CFG_CMD_KGDB )
+#define CFG_CBSIZE		1024		/* Console I/P buffer size */
+#else
+#define CFG_CBSIZE		256
+#endif
+
+#define CFG_PBSIZE		( CFG_CBSIZE + sizeof( CFG_PROMPT ) + 16 )
+						/* Print buffer size */
+
+#define CFG_MAXARGS		16		/* Max number of cmd args */
+#define CFG_BARGSIZE		CFG_CBSIZE	/* Boot args buffer size */
+
+#define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
+
+#define CFG_MEMTEST_START	0x00100000	/* Mem test works on  */
+#define CFG_MEMTEST_END		0x00800000	/* 1 ... 8MB in SDRAM */
+
+#define CFG_LOAD_ADDR		0x00100000
+#define CFG_HZ          	1000
+
+/******************************************************************************
+** Low level configuration settings.
+** ( adderss mappings, register init values, etc. )
+** You should know what you are doing if you make changes here.
+******************************************************************************/
+/* Start address  for the final memory configuration set up by startup code
+** Please note that CFG_SDRAM_BASE must start at 0
+*/
+
+#define CFG_SDRAM_BASE		0x00000000
+
+#define CFG_FLASH_BASE		0xFE000000
+#define CFG_FLASH_SIZE		(( uint ) ( 4 * 1024 * 1024 ))	/* 4MB */
+#define CFG_MONITOR_BASE	CFG_FLASH_BASE
+#define CFG_MONITOR_LEN		( 256 << 10 )	/* 256 KByte */
+#define CFG_MALLOC_LEN		( 384 << 10 )	/* 384 KByte SDRAM rsvd */
+						/* malloc() usage 	*/
+/**
+** 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 no of flash mem banks */
+#define CFG_MAX_FLASH_SECT	71		/* Max no of sec on 1 chip   */
+
+#define CFG_FLASH_ERASE_TOUT	120000		/* Erase flash timeout (ms)  */
+#define CFG_FLASH_WRITE_TOUT	500		/* Write flash timeout (ms)  */
+
+/******************************************************************************
+**	U-BOOT Environment variables in Flash
+******************************************************************************/
+#define CFG_ENV_IS_IN_FLASH	1
+#define CFG_ENV_OFFSET		0x00040000
+#define CFG_ENV_SIZE		0x10000		/* 64KBytes env space */
+#define CFG_ENV_SECT_SIZE	0x10000
+
+/******************************************************************************
+**	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
+
+/******************************************************************************
+** Internal memory mapped register
+******************************************************************************/
+#define CFG_IMMR		0xFA200000
+#define CFG_IMMR_SIZE		(( uint) ( 62 * 1024 ))	/* 64 KByte res */
+
+/* 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
+#define CFG_GBL_DATA_OFFSET	( CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE )
+#define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET
+
+
+
+/* SIU Module Configuration Register */
+#define CFG_SIUMCR		( SIUMCR_AEME | SIUMCR_MLRC01 | SIUMCR_DBGC10 )
+
+/******************************************************************************
+**	SYPCR - System protection and control
+**	SYPCR - can be written only once after reset
+******************************************************************************/
+#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
+
+/* TBSCR - Time Base Status and Control Register */
+#define CFG_TBSCR		( TBSCR_REFA | TBSCR_REFB | TBSCR_TBE )
+
+/* PISCR - Periodic Interrupt Status and Control */
+#define CFG_PISCR       	( PISCR_PS | PISCR_PITF )
+
+/* PLPRCR - PLL, Low-Power, and Reset Control Register */
+#define CFG_PLPRCR      	((( MPC8XX_FACT - 1 ) << PLPRCR_MF_SHIFT ) | \
+                                PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST )
+
+/* SCCR - System Clock and reset Control Register */
+#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.
+******************************************************************************/
+/**
+ ** Memory Controller Definitions
+ ** BR0/1/2... and OR0/1/2...
+*/
+/* For AdderII BR0 FLASH */
+
+#define CFG_REMAP_OR_AM		0xFF800000		/* OR addr mask */
+#define CFG_PRELIM_OR_AM	0xFF800000		/* OR addr mask */
+
+/* Flash Timings: ACS = 11, TRLX = 1, CSNT = 0, SCY = 7 */
+#define CFG_OR_TIMING_FLASH 	( OR_ACS_DIV2 | OR_BI | OR_SCY_7_CLK | OR_TRLX )
+
+#define CFG_OR0_REMAP		( CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH )
+
+#define CFG_OR0_PRELIM		CFG_OR0_REMAP
+#define CFG_BR0_PRELIM		(( CFG_FLASH_BASE & BR_BA_MSK ) | \
+				   BR_PS_16 | BR_V )
+
+/* For AdderII BR1 SDRAM */
+
+#define CFG_PRELIM_OR1_AM 	0xFF800000
+#define CFG_OR1_REMAP		( CFG_PRELIM_OR1_AM | OR_CSNT_SAM | OR_ACS_DIV2 )
+#define CFG_OR1_PRELIM  	( CFG_PRELIM_OR1_AM | OR_CSNT_SAM | OR_ACS_DIV2 )
+#define CFG_BR1_PRELIM  	( CFG_SDRAM_BASE | BR_MS_UPMA | BR_V )
+
+
+/*******************************************************************************
+* Internal Definitions Boot Flags
+*******************************************************************************/
+#define BOOTFLAG_COLD   0x01            /* Normal Power-On: Boot from FLASH  */
+#define BOOTFLAG_WARM   0x02            /* Software reboot                   */
+
+
+#endif
+/* __CONFIG_H */
+