* Add support for RMU board

* Add support for TQM862L at 100/50 MHz

* Patch by Pantelis Antoniou, 02 Jun 2003:
  major reconstruction of networking code;
  add "ping" support (outgoing only!)

1 files changed, 379 insertions, 0 deletions

diff --git a/include/configs/rmu.h b/include/configs/rmu.h
new file mode 100644
index 0000000..0a94714
--- /dev/null
+++ b/include/configs/rmu.h
@@ -0,0 +1,379 @@
+/*
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+
+#undef CONFIG_MPC860
+#define CONFIG_MPC850		1	/* This is a MPC850 CPU		*/
+#define CONFIG_RPXLITE		1	/* RMU is the RPXlite clone */
+#define CONFIG_RMU			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	/* console baudrate = 9600bps	*/
+#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							\
+	"bootp; " 								\
+	"setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " 	\
+	"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; " 	\
+	"bootm"
+
+#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_BOOTP_MASK	(CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
+
+/* 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	0x0040000	/* memtest works on	*/
+#define CFG_MEMTEST_END		0x00C0000	/* 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		0xFA200000
+
+/*-----------------------------------------------------------------------
+ * 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	0xFF800000
+/*%%% #define CFG_FLASH_BASE		0xFFF00000 */
+#if defined(DEBUG) || (CONFIG_COMMANDS & CFG_CMD_IDE)
+#define	CFG_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor	*/
+#else
+#define	CFG_MONITOR_LEN		(128 << 10)	/* Reserve 128 kB for Monitor	*/
+#endif
+#define CFG_MONITOR_BASE	0xFFF00000
+/*%%% #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	35	/* 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	    0x00740000	/*   Offset   of Environment Sector	*/
+#define	CFG_ENV_SIZE		0x40000	/* Total Size of Environment Sector	*/
+#define CFG_ENV_ADDR		(CFG_FLASH_BASE + CFG_ENV_OFFSET)
+
+/* Address and size of Redundant Environment Sector	*/
+#define CFG_ENV_OFFSET_REDUND	(CFG_ENV_OFFSET+CFG_ENV_SIZE)
+#define CFG_ENV_SIZE_REDUND	(CFG_ENV_SIZE)
+
+/*-----------------------------------------------------------------------
+ * 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 | 0x00000600 | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
+#endif
+
+/*-----------------------------------------------------------------------
+ * SIUMCR - SIU Module Configuration				11-6
+ *-----------------------------------------------------------------------
+ * PCMCIA config., multi-function pin tri-state
+ */
+#define CFG_SIUMCR	(SIUMCR_MLRC10)
+
+/*-----------------------------------------------------------------------
+ * TBSCR - Time Base Status and Control				11-26
+ *-----------------------------------------------------------------------
+ * Clear Reference Interrupt Status, Timebase freezing enabled
+ */
+#define CFG_TBSCR	(TBSCR_REFA | TBSCR_REFB | TBSCR_TBF | TBSCR_TBE)
+
+/*-----------------------------------------------------------------------
+ * RTCSC - Real-Time Clock Status and Control Register		11-27
+ *-----------------------------------------------------------------------
+ */
+/*%%%#define CFG_RTCSC	(RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) */
+#define CFG_RTCSC	(RTCSC_SEC | 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	( (5 << PLPRCR_MF_SHIFT) | PLPRCR_TEXPS )
+
+/*-----------------------------------------------------------------------
+ * 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
+/* up to 50 MHz we use a 1:1 clock */
+#define CFG_SCCR	(SCCR_COM00 | SCCR_TBS)
+
+/*-----------------------------------------------------------------------
+ * PCMCIA stuff
+ *-----------------------------------------------------------------------
+ *
+ */
+#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 and OR0 (FLASH)
+ */
+
+#define FLASH_BASE_PRELIM	0xFE000000	/* FLASH base */
+#define CFG_PRELIM_OR_AM	0xFE000000	/* OR addr mask */
+
+/* FLASH timing: ACS = 0, TRLX = 0, CSNT = 0, SCY = 4, ETHR = 0, BIH = 1 */
+#define CFG_OR_TIMING_FLASH (OR_SCY_4_CLK | OR_BI)
+
+#define CFG_OR0_PRELIM	(CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
+#define CFG_BR0_PRELIM	((FLASH_BASE_PRELIM & BR_BA_MSK) | BR_V)
+
+/*
+ * BR1 and OR1 (SDRAM)
+ *
+ */
+#define SDRAM_BASE_PRELIM	0x00000000	/* SDRAM base	*/
+#define	SDRAM_MAX_SIZE		0x01000000	/* max 16 MB */
+
+/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care)	*/
+#define CFG_OR_TIMING_SDRAM	0x00000E00
+
+#define CFG_OR1_PRELIM	(CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
+#define CFG_BR1_PRELIM	((SDRAM_BASE_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
+
+/* RPXLITE mem setting */
+#define	CFG_BR3_PRELIM	0xFA400001		/* BCSR */
+#define CFG_OR3_PRELIM	0xFFFF8910
+#define	CFG_BR4_PRELIM	0xFA000401		/* NVRAM&SRAM */
+#define CFG_OR4_PRELIM	0xFFFE0970
+
+/*
+ * Memory Periodic Timer Prescaler
+ */
+
+/* periodic timer for refresh */
+#define CFG_MAMR_PTA	20
+
+/*
+ * Refresh clock Prescalar
+ */
+#define CFG_MPTPR	MPTPR_PTP_DIV2
+
+/*
+ * MAMR settings for SDRAM
+ */
+
+/* 10 column SDRAM */
+#define CFG_MAMR_10COL	((CFG_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE	    |	\
+			 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 |	\
+			 MAMR_RLFA_16X | MAMR_WLFA_16X | MAMR_TLFA_16X)
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define	BOOTFLAG_COLD	0x01	/* Normal Power-On: Boot from FLASH	*/
+#define BOOTFLAG_WARM	0x02	/* Software reboot			*/
+
+/*
+ * BCSRx
+ *
+ * Board Status and Control Registers
+ *
+ */
+
+#define BCSR0 0xFA400000
+#define BCSR1 0xFA400001
+#define BCSR2 0xFA400002
+#define BCSR3 0xFA400003
+
+#define BCSR0_ENMONXCVR	0x01	/* Monitor XVCR Control */
+#define BCSR0_ENNVRAM	0x02 	/* CS4# Control */
+#define BCSR0_LED5	0x04	/* LED5 control 0='on' 1='off' */
+#define BCSR0_LED4	0x08	/* LED4 control 0='on' 1='off' */
+#define BCSR0_FULLDPLX	0x10	/* Ethernet XCVR Control */
+#define BCSR0_COLTEST	0x20
+#define BCSR0_ETHLPBK	0x40
+#define BCSR0_ETHEN	0x80
+
+#define BCSR1_PCVCTL7	0x01	/* PC Slot B Control */
+#define BCSR1_PCVCTL6	0x02
+#define BCSR1_PCVCTL5	0x04
+#define BCSR1_PCVCTL4	0x08
+#define BCSR1_IPB5SEL	0x10
+
+#define BCSR2_ENPA5HDR	0x08	/* USB Control */
+#define BCSR2_ENUSBCLK	0x10
+#define BCSR2_USBPWREN	0x20
+#define BCSR2_USBSPD	0x40
+#define BCSR2_USBSUSP	0x80
+
+#define BCSR3_BWRTC	0x01	/* Real Time Clock Battery */
+#define BCSR3_BWNVR	0x02	/* NVRAM Battery */
+#define BCSR3_RDY_BSY	0x04	/* Flash Operation */
+#define BCSR3_RPXL	0x08	/* Reserved (reads back '1') */
+#define BCSR3_D27	0x10	/* Dip Switch settings */
+#define BCSR3_D26	0x20
+#define BCSR3_D25	0x40
+#define BCSR3_D24	0x80
+
+#endif	/* __CONFIG_H */