* Patch by Masami Komiy, 22 Feb 2004:

  Add support for NFS for file download

* Minor code cleanup

CHANGELOG

@@ -2,6 +2,9 @@
 Changes for U-Boot 1.0.2:
 ======================================================================
 
+* Patch by Masami Komiy, 22 Feb 2004:
+  Add support for NFS for file download
+
 * Patch by Andrea Scian, 17 Feb 2004:
   Add support for S3C44B0 processor and DAVE B2 board
 

common/cmd_bootm.c

@@ -575,10 +575,10 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
 		kbd->bi_sccfreq /= 1000000L;
 		kbd->bi_vco     /= 1000000L;
 #endif /* CONFIG_8260 */
-#if defined(CONFIG_MPC5XXX)
+#if defined(CONFIG_MPC5xxx)
 		kbd->bi_ipbfreq /= 1000000L;
 		kbd->bi_pcifreq /= 1000000L;
-#endif /* CONFIG_MPC5XXX */
+#endif /* CONFIG_MPC5xxx */
 	}
 
 	kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))hdr->ih_ep;

common/cmd_itest.c

@@ -32,6 +32,8 @@
 #include <config.h>
 #include <command.h>
 
+#if (CONFIG_COMMANDS & CFG_CMD_ITEST)
+
 #define EQ	0
 #define NE	1
 #define LT	2
@@ -195,3 +197,4 @@ U_BOOT_CMD(
 	"itest	 - return true/false on integer compare\n",
 	"[.b, .w, .l, .s] [*]value1 <op> [*]value2\n"
 );
+#endif	/* CONFIG_COMMANDS & CFG_CMD_ITEST */

common/cmd_mem.c

@@ -38,6 +38,7 @@
 
 #if (CONFIG_COMMANDS & (CFG_CMD_MEMORY	| \
 			CFG_CMD_I2C	| \
+			CFG_CMD_ITEST	| \
 			CFG_CMD_PCI	| \
 			CMD_CMD_PORTIO	) )
 int cmd_get_data_size(char* arg, int default_size)

common/cmd_net.c

@@ -81,6 +81,19 @@ U_BOOT_CMD(
 );
 #endif	/* CFG_CMD_DHCP */
 
+#if (CONFIG_COMMANDS & CFG_CMD_NFS)
+int do_nfs (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	return netboot_common(NFS, cmdtp, argc, argv);
+}
+
+U_BOOT_CMD(
+	nfs,	3,	1,	do_nfs,
+	"nfs    - boot image via network using NFS protocol\n",
+	"[loadAddress] [host ip addr:bootfilename]\n"
+);
+#endif	/* CFG_CMD_NFS */
+
 static void netboot_update_env(void)
 {
     char tmp[16] ;

cpu/mpc5xxx/config.mk

@@ -23,5 +23,5 @@
 
 PLATFORM_RELFLAGS += -fPIC -ffixed-r14 -meabi
 
-PLATFORM_CPPFLAGS += -DCONFIG_MPC5XXX -ffixed-r2 -ffixed-r29 \
+PLATFORM_CPPFLAGS += -DCONFIG_MPC5xxx -ffixed-r2 -ffixed-r29 \
 		     -mstring -mcpu=603e -mmultiple

cpu/mpc5xxx/cpu_init.c

@@ -183,7 +183,7 @@ int cpu_init_r (void)
 	/* route critical ints to normal ints */
 	*(vu_long *)MPC5XXX_ICTL_EXT |= 0x00000001;
 
-#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_MPC5XXX_FEC)
+#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_MPC5xxx_FEC)
 	/* load FEC microcode */
 	loadtask(0, 2);
 #endif

cpu/mpc5xxx/fec.c

@@ -17,7 +17,7 @@
 /* #define DEBUG	0x28 */
 
 #if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI) && \
-	defined(CONFIG_MPC5XXX_FEC)
+	defined(CONFIG_MPC5xxx_FEC)
 
 #if (DEBUG & 0x60)
 static void tfifo_print(mpc5xxx_fec_priv *fec);
@@ -980,4 +980,4 @@ static uint32 local_crc32(char *string, unsigned int crc_value, int len)
 }
 #endif	/* DEBUG */
 
-#endif /* CONFIG_MPC5XXX_FEC */
+#endif /* CONFIG_MPC5xxx_FEC */

cpu/mpc5xxx/start.S

@@ -29,7 +29,7 @@
 #include <mpc5xxx.h>
 #include <version.h>
 
-#define CONFIG_MPC5XXX 1	/* needed for Linux kernel header files */
+#define CONFIG_MPC5xxx 1	/* needed for Linux kernel header files */
 #define _LINUX_CONFIG_H 1	/* avoid reading Linux autoconf.h file	*/
 
 #include <ppc_asm.tmpl>

include/asm-ppc/global_data.h

@@ -46,7 +46,7 @@ typedef	struct	global_data {
 	unsigned long	scc_clk;
 	unsigned long	brg_clk;
 #endif
-#if defined(CONFIG_MPC5XXX)
+#if defined(CONFIG_MPC5xxx)
 	unsigned long	ipb_clk;
 	unsigned long	pci_clk;
 #endif

include/asm-ppc/u-boot.h

@@ -42,7 +42,7 @@ typedef struct bd_info {
 	|| defined(CONFIG_E500)
 	unsigned long	bi_immr_base;	/* base of IMMR register */
 #endif
-#if defined(CONFIG_MPC5XXX)
+#if defined(CONFIG_MPC5xxx)
 	unsigned long	bi_mbar_base;	/* base of internal registers */
 #endif
 	unsigned long	bi_bootflags;	/* boot / reboot flag (for LynxOS) */
@@ -57,7 +57,7 @@ typedef struct bd_info {
 	unsigned long	bi_sccfreq;	/* SCC_CLK Freq, in MHz */
 	unsigned long	bi_vco;		/* VCO Out from PLL, in MHz */
 #endif
-#if defined(CONFIG_MPC5XXX)
+#if defined(CONFIG_MPC5xxx)
 	unsigned long	bi_ipbfreq;	/* IPB Bus Freq, in MHz */
 	unsigned long	bi_pcifreq;	/* PCI Bus Freq, in MHz */
 #endif

include/bmp_logo.h

@@ -18,7 +18,7 @@ unsigned short bmp_logo_palette[] = {
 	0x0343,  0x0454,  0x0565,  0x0565,  0x0676,  0x0787,  0x0898,  0x0999,
 	0x0AAA,  0x0ABA,  0x0BCB,  0x0CCC,  0x0DDD,  0x0EEE,  0x0FFF,  0x0FB3,
 	0x0FB4,  0x0FC4,  0x0FC5,  0x0FC6,  0x0FD7,  0x0FD8,  0x0FD9,  0x0FDA,
-	0x0FEA,  0x0FEB,  0x0FEC,  0x0FFD,  0x0FFE,  0x0FFF,  0x0FFF,
+	0x0FEA,  0x0FEB,  0x0FEC,  0x0FFD,  0x0FFE,  0x0FFF,  0x0FFF,  
 };
 
 unsigned char bmp_logo_bitmap[] = {

include/cmd_confdefs.h

@@ -86,6 +86,7 @@
 #define CFG_CMD_FAT	0x0010000000000000U	/* FAT support			*/
 #define CFG_CMD_IMLS	0x0020000000000000U	/* List all found images        */
 #define CFG_CMD_ITEST	0x0040000000000000U	/* Integer (and string) test	*/
+#define CFG_CMD_NFS	0x0080000000000000U	/* NFS support			*/
 
 #define CFG_CMD_ALL	0xFFFFFFFFFFFFFFFFU	/* ALL commands			*/
 

include/common.h

@@ -319,6 +319,7 @@ void	relocate_code (ulong, gd_t *, ulong);
 ulong	get_endaddr   (void);
 void	trap_init     (ulong);
 #if defined (CONFIG_4xx)	|| \
+    defined (CONFIG_5xxx)	|| \
     defined (CONFIG_74xx_7xx)	|| \
     defined (CONFIG_74x)	|| \
     defined (CONFIG_75x)	|| \
@@ -361,7 +362,7 @@ int	sdram_adjust_866 (void);
 #if defined(CONFIG_8260)
 int	prt_8260_clks (void);
 #endif
-#if defined(CONFIG_MPC5XXX)
+#if defined(CONFIG_MPC5xxx)
 int	prt_mpc5xxx_clks (void);
 #endif
 #ifdef CONFIG_4xx

include/configs/IceCube.h

@@ -29,7 +29,7 @@
  * (easy to change)
  */
 
-#define CONFIG_MPC5XXX		1	/* This is an MPC5xxx CPU */
+#define CONFIG_MPC5xxx		1	/* This is an MPC5xxx CPU */
 #define CONFIG_ICECUBE		1	/* ... on IceCube board */
 
 #define CFG_MPC5XXX_CLKIN	33000000 /* ... running at 33.000000MHz */
@@ -213,7 +213,7 @@
 /*
  * Ethernet configuration
  */
-#define CONFIG_MPC5XXX_FEC	1
+#define CONFIG_MPC5xxx_FEC	1
 #define CONFIG_FEC_10MBIT 1 /* Workaround for FEC 100Mbit problem */
 #define CONFIG_PHY_ADDR		0x00
 

include/configs/TOP5200.h

@@ -41,7 +41,7 @@
  * (easy to change)
  */
 
-#define CONFIG_MPC5XXX		1	/* This is an MPC5xxx CPU */
+#define CONFIG_MPC5xxx		1	/* This is an MPC5xxx CPU */
 #define CONFIG_MPC5200		1	/* More exactly a MPC5200 */
 #define CONFIG_TOP5200		1	/* ... on TOP5200 board - we need this for FEC.C */
 
@@ -281,7 +281,7 @@
 /*
  * Ethernet configuration
  */
-#define CONFIG_MPC5XXX_FEC	1
+#define CONFIG_MPC5xxx_FEC	1
 #define CONFIG_FEC_10MBIT	1		/* Workaround for FEC 100Mbit problem */
 #define	CONFIG_PHY_ADDR		0x1f
 #define	CONFIG_PHY_TYPE		0x79c874

include/net.h

@@ -21,13 +21,13 @@
 # endif
 #endif	/* CONFIG_8xx */
 
-#if defined(CONFIG_MPC5XXX)
+#if defined(CONFIG_MPC5xxx)
 # if !defined(CONFIG_NET_MULTI)
-#  if defined(CONFIG_MPC5XXX_FEC)
+#  if defined(CONFIG_MPC5xxx_FEC)
 #   define CONFIG_NET_MULTI
 #  endif
 # endif
-#endif	/* CONFIG_MPC5XXX */
+#endif	/* CONFIG_MPC5xxx */
 
 #if !defined(CONFIG_NET_MULTI) && (defined(CONFIG_8260) || defined(CONFIG_MPC8560))
 #include <config.h>
@@ -306,7 +306,7 @@ extern int		NetState;		/* Network loop state		*/
 extern int		NetRestartWrap;		/* Tried all network devices	*/
 #endif
 
-typedef enum { BOOTP, RARP, ARP, TFTP, DHCP, PING, DNS } proto_t;
+typedef enum { BOOTP, RARP, ARP, TFTP, DHCP, PING, DNS, NFS } proto_t;
 
 /* from net/net.c */
 extern char	BootFile[128];			/* Boot File name		*/

include/ppc_asm.tmpl

@@ -175,7 +175,7 @@
 #define IM_IMMR		(IM_REGBASE+0x01a8)
 #define IM_SCCR		(IM_REGBASE+0x0c80)
 
-#elif defined(CONFIG_MPC5XXX)
+#elif defined(CONFIG_MPC5xxx)
 
 #define HID0_ICE_BITPOS	16
 #define HID0_DCE_BITPOS	17

lib_ppc/board.c

@@ -32,7 +32,7 @@
 #ifdef CONFIG_5xx
 #include <mpc5xx.h>
 #endif
-#ifdef CONFIG_MPC5XXX
+#ifdef CONFIG_MPC5xxx
 #include <mpc5xxx.h>
 #endif
 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
@@ -288,9 +288,9 @@ init_fnc_t *init_sequence[] = {
 	prt_8260_clks,
 #endif /* CONFIG_8260 */
 	checkcpu,
-#if defined(CONFIG_MPC5XXX)
+#if defined(CONFIG_MPC5xxx)
 	prt_mpc5xxx_clks,
-#endif /* CONFIG_MPC5XXX */
+#endif /* CONFIG_MPC5xxx */
 	checkboard,
 	INIT_FUNC_WATCHDOG_INIT
 #if defined(CONFIG_MISC_INIT_F)
@@ -478,7 +478,7 @@ void board_init_f (ulong bootflag)
     defined(CONFIG_E500)
 	bd->bi_immr_base = CFG_IMMR;	/* base  of IMMR register     */
 #endif
-#if defined(CONFIG_MPC5XXX)
+#if defined(CONFIG_MPC5xxx)
 	bd->bi_mbar_base = CFG_MBAR;	/* base of internal registers */
 #endif
 
@@ -493,10 +493,10 @@ void board_init_f (ulong bootflag)
 	bd->bi_sccfreq = gd->scc_clk;
 	bd->bi_vco     = gd->vco_out;
 #endif /* CONFIG_8260 */
-#if defined(CONFIG_MPC5XXX)
+#if defined(CONFIG_MPC5xxx)
 	bd->bi_ipbfreq = gd->ipb_clk;
 	bd->bi_pcifreq = gd->pci_clk;
-#endif /* CONFIG_MPC5XXX */
+#endif /* CONFIG_MPC5xxx */
 	bd->bi_baudrate = gd->baudrate;	/* Console Baudrate     */
 
 #ifdef CFG_EXTBDINFO

net/Makefile

@@ -27,7 +27,7 @@ include $(TOPDIR)/config.mk
 
 LIB	= libnet.a
 
-OBJS	= net.o tftp.o bootp.o rarp.o eth.o
+OBJS	= net.o tftp.o bootp.o rarp.o eth.o nfs.o
 all:	$(LIB)
 
 $(LIB):	$(START) $(OBJS)

net/eth.c

@@ -155,7 +155,7 @@ int eth_initialize(bd_t *bis)
 #if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
 	fec_initialize(bis);
 #endif
-#if defined(CONFIG_MPC5XXX_FEC)
+#if defined(CONFIG_MPC5xxx_FEC)
 	mpc5xxx_fec_initialize(bis);
 #endif
 #if defined(CONFIG_SK98)

net/net.c

@@ -55,6 +55,15 @@
  *			  derived from our own IP address)
  *	We want:	- load the boot file
  *	Next step:	none
+ *
+ * NFS:
+ *
+ *	Prerequisites:	- own ethernet address
+ *			- own IP address
+ *			- name of bootfile (if unknown, we use a default name
+ *			  derived from our own IP address)
+ *	We want:	- load the boot file
+ *	Next step:	none
  */
 
 
@@ -65,6 +74,7 @@
 #include "bootp.h"
 #include "tftp.h"
 #include "rarp.h"
+#include "nfs.h"
 #ifdef CONFIG_STATUS_LED
 #include <status_led.h>
 #include <miiphy.h>
@@ -278,6 +288,9 @@ restart:
 	 */
 
 	switch (protocol) {
+#if (CONFIG_COMMANDS & CFG_CMD_NFS)
+	case NFS:
+#endif
 #if (CONFIG_COMMANDS & CFG_CMD_PING)
 	case PING:
 #endif
@@ -287,6 +300,9 @@ restart:
 		NetOurSubnetMask= getenv_IPaddr ("netmask");
 
 		switch (protocol) {
+#if (CONFIG_COMMANDS & CFG_CMD_NFS)
+		case NFS:
+#endif
 		case TFTP:
 			NetServerIP = getenv_IPaddr ("serverip");
 			break;
@@ -356,6 +372,11 @@ restart:
 		case PING:
 			PingStart();
 			break;
+#endif
+#if (CONFIG_COMMANDS & CFG_CMD_NFS)
+		case NFS:
+			NfsStart();
+			break;
 #endif
 		default:
 			break;
@@ -918,6 +939,9 @@ static int net_check_prereq (proto_t protocol)
 				return (1);
 			}
 			goto common;
+#endif
+#if (CONFIG_COMMANDS & CFG_CMD_NFS)
+	case NFS:
 #endif
 	case TFTP:
 			if (NetServerIP == 0) {

net/nfs.h

+/*
+ * (C) Masami Komiya <mkomiya@sonare.it> 2004
+ *
+ * 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, or (at
+ * your option) any later version.
+ */
+
+#ifndef __NFS_H__
+#define __NFS_H__
+
+#define SUNRPC_PORT     111
+
+#define PROG_PORTMAP    100000
+#define PROG_NFS        100003
+#define PROG_MOUNT      100005
+
+#define MSG_CALL        0
+#define MSG_REPLY       1
+
+#define PORTMAP_GETPORT 3
+
+#define MOUNT_ADDENTRY  1
+#define MOUNT_UMOUNTALL 4
+
+#define NFS_LOOKUP      4
+#define NFS_READLINK    5
+#define NFS_READ        6
+
+#define NFS_FHSIZE      32
+
+#define NFSERR_PERM     1
+#define NFSERR_NOENT    2
+#define NFSERR_ACCES    13
+#define NFSERR_ISDIR    21
+#define NFSERR_INVAL    22
+
+/* Block size used for NFS read accesses.  A RPC reply packet (including  all
+ * headers) must fit within a single Ethernet frame to avoid fragmentation.
+ * Chosen to be a power of two, as most NFS servers are optimized for this.  */
+#define NFS_READ_SIZE   1024
+
+#define NFS_MAXLINKDEPTH 16
+
+struct rpc_t {
+	union {
+		uint8_t data[2048];
+		struct {
+			uint32_t id;
+			uint32_t type;
+			uint32_t rpcvers;
+			uint32_t prog;
+			uint32_t vers;
+			uint32_t proc;
+			uint32_t data[1];
+		} call;
+		struct {
+			uint32_t id;
+			uint32_t type;
+			uint32_t rstatus;
+			uint32_t verifier;
+			uint32_t v2;
+			uint32_t astatus;
+			uint32_t data[1];
+		} reply;
+	} u;
+};
+extern void	NfsStart (void);	/* Begin NFS */
+
+
+/**********************************************************************/
+
+#endif /* __NFS_H__ */