* 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!)

7 files changed, 434 insertions, 13 deletions

diff --git a/include/cmd_confdefs.h b/include/cmd_confdefs.h
index 18ce6d8..7ab553d 100644
--- a/include/cmd_confdefs.h
+++ b/include/cmd_confdefs.h
@@ -81,6 +81,7 @@
 #define CFG_CMD_NAND	0x0000800000000000	/* NAND support        		*/
 #define CFG_CMD_BMP	0x0001000000000000	/* BMP support			*/
 #define CFG_CMD_PORTIO	0x0002000000000000	/* Port I/O		        */
+#define CFG_CMD_PING	0x0004000000000000	/* ping support			*/
 
 #define CFG_CMD_ALL	0xFFFFFFFFFFFFFFFF	/* ALL commands			*/
 
@@ -113,6 +114,7 @@
 			CFG_CMD_NAND	| \
 			CFG_CMD_PCI	| \
 			CFG_CMD_PCMCIA	| \
+			CFG_CMD_PING	| \
 			CFG_CMD_REGINFO | \
 			CFG_CMD_SAVES	| \
 			CFG_CMD_SCSI	| \
diff --git a/include/cmd_net.h b/include/cmd_net.h
index e9ca5c5..842cb3e 100644
--- a/include/cmd_net.h
+++ b/include/cmd_net.h
@@ -64,11 +64,24 @@ int do_dhcp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
 #define CMD_TBL_DHCP
 #endif	/* CFG_CMD_DHCP */
 
+#if (CONFIG_COMMANDS & CFG_CMD_PING)
+#define	CMD_TBL_PING	MK_CMD_TBL_ENTRY(					\
+	"ping",		4,	2,	1,	do_ping,			\
+	"ping    - check if host is reachable\n",				\
+	"host\n" 					 			\
+),
+
+int do_ping (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+#else
+#define CMD_TBL_PING
+#endif	/* CFG_CMD_PING */
+
 #else
 #define CMD_TBL_BOOTP
 #define CMD_TBL_TFTPB
 #define CMD_TBL_RARPB
 #define CMD_TBL_DHCP
+#define CMD_TBL_PING
 #endif	/* CFG_CMD_NET */
 
 #endif
diff --git a/include/commproc.h b/include/commproc.h
index d6cf9ba..2d9ab5c 100644
--- a/include/commproc.h
+++ b/include/commproc.h
@@ -1254,7 +1254,11 @@ typedef struct scc_enet {
 #define PA_ENET_TXD	((ushort)0x0008)
 #define PA_ENET_TCLK	((ushort)0x0200)
 #define PA_ENET_RCLK	((ushort)0x0800)
+#if defined(CONFIG_RMU)
+#define PC_ENET_TENA	((uint)0x00000002)	/* PC14 */
+#else
 #define PB_ENET_TENA	((uint)0x00002000)
+#endif
 #define PC_ENET_CLSN	((ushort)0x0040)
 #define PC_ENET_RENA	((ushort)0x0080)
 
diff --git a/include/configs/TQM862L.h b/include/configs/TQM862L.h
index 653d0c7..1d0aea1 100644
--- a/include/configs/TQM862L.h
+++ b/include/configs/TQM862L.h
@@ -251,14 +251,15 @@
  * 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)!
+ * If this is a 80 MHz or 100 MHz CPU,
+ * set PLL multiplication factor to 5 (5 * 16 = 80, 5 * 20 = 100)
  */
-#ifdef	CONFIG_80MHz	/* for 80 MHz, we use a 16 MHz clock * 5 */
+#if defined(CONFIG_80MHz) || defined(CONFIG_100MHz)
 #define CFG_PLPRCR							\
 		( (5-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST )
 #else			/* up to 50 MHz we use a 1:1 clock */
 #define CFG_PLPRCR	(PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
-#endif	/* CONFIG_80MHz */
+#endif	/* CONFIG_80MHz | CONFIG_100MHz */
 
 /*-----------------------------------------------------------------------
  * SCCR - System Clock and reset Control Register		15-27
@@ -267,7 +268,7 @@
  * power management and some other internal clocks
  */
 #define SCCR_MASK	SCCR_EBDF11
-#ifdef	CONFIG_80MHz	/* for 80 MHz, we use a 16 MHz clock * 5 */
+#if defined(CONFIG_80MHz) || defined(CONFIG_100MHz) /* use 16/20 MHz * 5 */
 #define CFG_SCCR	(/* SCCR_TBS  | */ \
 			 SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
 			 SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
@@ -277,7 +278,7 @@
 			 SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
 			 SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
 			 SCCR_DFALCD00)
-#endif	/* CONFIG_80MHz */
+#endif	/* CONFIG_80MHz | CONFIG_100MHz */
 
 /*-----------------------------------------------------------------------
  * PCMCIA stuff
@@ -346,8 +347,15 @@
 /*
  * FLASH timing:
  */
-#if   defined(CONFIG_80MHz)
-/* 80 MHz CPU - 40 MHz bus: ACS = 00, TRLX = 0, CSNT = 1, SCY = 3, EHTR = 1 */
+#if defined(CONFIG_100MHz)
+/* 100 MHz CPU - 50 MHz bus:
+ * 0x...926: 9 = OR_CSNT_SAM + OR_BI; 2 = OR_SCY_2_CLK; 6 = OR_TRLX + OR_EHTR
+ * ACS = 00, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1 */
+#define CFG_OR_TIMING_FLASH	(OR_ACS_DIV1  | OR_TRLX | OR_CSNT_SAM | \
+				 OR_SCY_2_CLK | OR_EHTR | OR_BI)
+#elif defined(CONFIG_80MHz)
+/* 80 MHz CPU - 40 MHz bus:
+ * ACS = 00, TRLX = 0, CSNT = 1, SCY = 3, EHTR = 1 */
 #define CFG_OR_TIMING_FLASH	(OR_ACS_DIV1  | 0       | OR_CSNT_SAM | \
 				 OR_SCY_3_CLK | OR_EHTR | OR_BI)
 #elif defined(CONFIG_66MHz)
@@ -415,11 +423,14 @@
  * --------------------------------------------
  * 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
+ *  50 MHz =>  50.000.000 / Divider =  98
+ *  66 Mhz =>  66.000.000 / Divider = 129
+ *  80 Mhz =>  80.000.000 / Divider = 156
+ * 100 Mhz => 100.000.000 / Divider = 195
  */
-#if   defined(CONFIG_80MHz)
+#if   defined(CONFIG_100MHz)
+#define CFG_MAMR_PTA		195
+#elif defined(CONFIG_80MHz)
 #define CFG_MAMR_PTA		156
 #elif defined(CONFIG_66MHz)
 #define CFG_MAMR_PTA		129
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 */
diff --git a/include/configs/sc520_spunk.h b/include/configs/sc520_spunk.h
index 2b5a54d..0a28805 100644
--- a/include/configs/sc520_spunk.h
+++ b/include/configs/sc520_spunk.h
@@ -206,7 +206,7 @@
 
 #define	CFG_FIRST_PCI_IRQ   9
 #define	CFG_SECOND_PCI_IRQ  10
-#define CFG_THIRD_PCI_IRQ   11
+#define	CFG_THIRD_PCI_IRQ   11
 #define	CFG_FORTH_PCI_IRQ   12
 
 
diff --git a/include/net.h b/include/net.h
index e4f7cbd..689a90f 100644
--- a/include/net.h
+++ b/include/net.h
@@ -200,7 +200,9 @@ typedef struct
 /*
  * ICMP stuff (just enough to handle (host) redirect messages)
  */
+#define ICMP_ECHO_REPLY		0	/* Echo reply 			*/
 #define ICMP_REDIRECT		5	/* Redirect (change route)	*/
+#define ICMP_ECHO_REQUEST	8	/* Echo request			*/
 
 /* Codes for REDIRECT. */
 #define ICMP_REDIR_NET		0	/* Redirect Net			*/
@@ -292,11 +294,15 @@ extern int		NetState;		/* Network loop state		*/
 extern int		NetRestartWrap;		/* Tried all network devices	*/
 #endif
 
-typedef enum { BOOTP, RARP, ARP, TFTP, DHCP } proto_t;
+typedef enum { BOOTP, RARP, ARP, TFTP, DHCP, PING, DNS } proto_t;
 
 /* from net/net.c */
 extern char	BootFile[128];			/* Boot File name		*/
 
+#if (CONFIG_COMMANDS & CFG_CMD_PING)
+extern IPaddr_t	NetPingIP;			/* the ip address to ping 		*/
+#endif
+
 /* Initialize the network adapter */
 extern int	NetLoop(proto_t);
 
@@ -323,6 +329,9 @@ extern void	NetSetTimeout(int, thand_f *);	/* Set timeout handler		*/
 /* Transmit "NetTxPacket" */
 extern void	NetSendPacket(volatile uchar *, int);
 
+/* Transmit UDP packet, performing ARP request if needed */
+extern int	NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport, int len);
+
 /* Processes a received packet */
 extern void	NetReceive(volatile uchar *, int);
 
@@ -373,6 +382,9 @@ static inline void NetCopyLong(ulong *to, ulong *from)
 /* Convert an IP address to a string */
 extern void	ip_to_string (IPaddr_t x, char *s);
 
+/* Convert a string to ip address */
+extern IPaddr_t string_to_ip(char *s);
+
 /* read an IP address from a environment variable */
 extern IPaddr_t getenv_IPaddr (char *);