Fix Makefile for "CHANGELOG" target

Merge with /home/sr/git/u-boot/4xx-idcr

CHANGELOG

@@ -1,3 +1,10 @@
+commit 7c52c4b943ff52bbe8796a7e2d3e476ceaf3f512
+Author: Wolfgang Denk <wd@denx.de>
+Date:   Tue Oct 24 21:35:55 2006 +0200
+
+    Switch to automatically generated CHANGELOG file.
+    (use "make CHANGELOG" to update it from time to time)
+
 commit 7ade0c634a979c32fa91a74e8f5775f24651fbe6
 Author: Stefan Roese <sr@denx.de>
 Date:   Tue Oct 24 18:06:48 2006 +0200

Makefile

@@ -318,9 +318,6 @@ $(obj)System.map:	$(obj)u-boot
 		grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
 		sort > $(obj)System.map
 
-CHANGELOG:
-	git log --no-merges U-Boot-1_1_5.. > $@
-
 #########################################################################
 else
 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
@@ -331,6 +328,10 @@ dep tags ctags etags $(obj)System.map:
 	@ exit 1
 endif
 
+.PHONY : CHANGELOG
+CHANGELOG:
+	git log --no-merges U-Boot-1_1_5.. > $@
+
 #########################################################################
 
 unconfig:

common/cmd_dcr.c

@@ -31,6 +31,9 @@
 
 #if defined(CONFIG_4xx) && (CONFIG_COMMANDS & CFG_CMD_SETGETDCR)
 
+unsigned long get_dcr (unsigned short);
+unsigned long set_dcr (unsigned short, unsigned long);
+
 /* =======================================================================
  * Interpreter command to retrieve an AMCC PPC 4xx Device Control Register
  * =======================================================================
@@ -64,8 +67,6 @@ int do_getdcr ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] )
 */
 int do_setdcr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 {
-	unsigned long get_dcr (unsigned short);
-	unsigned long set_dcr (unsigned short, unsigned long);
 	unsigned short dcrn;	/* Device Control Register Num */
 	unsigned long value;
 
@@ -106,6 +107,120 @@ int do_setdcr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 	return 0;
 }
 
+/* =======================================================================
+ * Interpreter command to retrieve an register value through AMCC PPC 4xx
+ * Device Control Register inderect addressing.
+ * =======================================================================
+ */
+int do_getidcr (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	unsigned short adr_dcrn;	/* Device Control Register Num for Address */
+	unsigned short dat_dcrn;	/* Device Control Register Num for Data */
+	unsigned short offset;		/* Register's offset */
+	unsigned long value;		/* Register's value */
+	char *ptr = NULL;
+	char buf[80];
+
+	/* Validate arguments */
+	if (argc < 3) {
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+ 	}
+
+	/* Find out whether ther is '.' (dot) symbol in the first parameter. */
+	strncpy (buf, argv[1], sizeof(buf)-1);
+	buf[sizeof(buf)-1] = 0; /* will guarantee zero-end string */
+	ptr = strchr (buf, '.');
+
+	if (ptr != NULL) {
+		/* First parameter has format adr_dcrn.dat_dcrn */
+		*ptr++ = 0; /* erase '.', create zero-end string */
+		adr_dcrn = (unsigned short) simple_strtoul (buf, NULL, 16);
+		dat_dcrn = (unsigned short) simple_strtoul (ptr, NULL, 16);
+	} else {
+		/*
+		 * First parameter has format adr_dcrn; dat_dcrn will be
+		 * calculated as adr_dcrn+1.
+		 */
+		adr_dcrn = (unsigned short) simple_strtoul (buf, NULL, 16);
+		dat_dcrn = adr_dcrn+1;
+	}
+
+	/* Register's offset */
+	offset = (unsigned short) simple_strtoul (argv[2], NULL, 16);
+
+	/* Disable interrupts */
+	disable_interrupts ();
+	/* Set offset */
+	set_dcr (adr_dcrn, offset);
+	/* get data */
+	value = get_dcr (dat_dcrn);
+	/* Enable interrupts */
+	enable_interrupts ();
+
+	printf ("%04x.%04x-%04x Read  %08lx\n", adr_dcrn, dat_dcrn, offset, value);
+
+	return 0;
+}
+
+/* =======================================================================
+ * Interpreter command to update an register value through AMCC PPC 4xx
+ * Device Control Register inderect addressing.
+ * =======================================================================
+ */
+int do_setidcr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+	unsigned short adr_dcrn;	/* Device Control Register Num for Address */
+	unsigned short dat_dcrn;	/* Device Control Register Num for Data */
+	unsigned short offset;		/* Register's offset */
+	unsigned long value;		/* Register's value */
+	char *ptr = NULL;
+	char buf[80];
+
+	/* Validate arguments */
+	if (argc < 4) {
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+        }
+
+	/* Find out whether ther is '.' (dot) symbol in the first parameter. */
+	strncpy (buf, argv[1], sizeof(buf)-1);
+	buf[sizeof(buf)-1] = 0; /* will guarantee zero-end string */
+	ptr = strchr (buf, '.');
+
+	if (ptr != NULL) {
+		/* First parameter has format adr_dcrn.dat_dcrn */
+		*ptr++ = 0;	/* erase '.', create zero-end string */
+		adr_dcrn = (unsigned short) simple_strtoul (buf, NULL, 16);
+		dat_dcrn = (unsigned short) simple_strtoul (ptr, NULL, 16);
+	} else {
+		/*
+		 * First parameter has format adr_dcrn; dat_dcrn will be
+		 * calculated as adr_dcrn+1.
+		 */
+        	adr_dcrn = (unsigned short) simple_strtoul (buf, NULL, 16);
+        	dat_dcrn = adr_dcrn+1;
+        }
+
+	/* Register's offset */
+	offset = (unsigned short) simple_strtoul (argv[2], NULL, 16);
+	/* New value */
+	value  = (unsigned  long) simple_strtoul (argv[3], NULL, 16);
+
+	/* Disable interrupts */
+	disable_interrupts ();
+	/* Set offset */
+	set_dcr (adr_dcrn, offset);
+	/* set data */
+	set_dcr (dat_dcrn, value);
+	/* Enable interrupts */
+	enable_interrupts ();
+
+	printf ("%04x.%04x-%04x Write %08lx\n", adr_dcrn, dat_dcrn, offset, value);
+
+	return 0;
+}
+
 /***************************************************/
 
 U_BOOT_CMD(
@@ -119,4 +234,16 @@ U_BOOT_CMD(
 	"dcrn - set a DCR's value.\n"
 );
 
+U_BOOT_CMD(
+	getidcr,	3,	1,	do_getidcr,
+	"getidcr - Get a register value via indirect DCR addressing\n",
+	"adr_dcrn[.dat_dcrn] offset - write offset to adr_dcrn, read value from dat_dcrn.\n"
+);
+
+U_BOOT_CMD(
+	setidcr,	4,	1,	do_setidcr,
+	"setidcr - Set a register value via indirect DCR addressing\n",
+	"adr_dcrn[.dat_dcrn] offset value - write offset to adr_dcrn, write value to dat_dcrn.\n"
+);
+
 #endif /* CONFIG_4xx & CFG_CMD_SETGETDCR */