image: Rename load_addr, save_addr, save_size

These global variables are quite short and generic. In fact the same name
is more often used locally for struct members and function arguments.

Add a image_ prefix to make them easier to distinguish.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/cmd/bmp.c b/cmd/bmp.c
index d2a39f6..1e4c972 100644
--- a/cmd/bmp.c
+++ b/cmd/bmp.c
@@ -95,8 +95,8 @@
 	ulong addr;
 
 	switch (argc) {
-	case 1:		/* use load_addr as default address */
-		addr = load_addr;
+	case 1:		/* use image_load_addr as default address */
+		addr = image_load_addr;
 		break;
 	case 2:		/* use argument */
 		addr = simple_strtoul(argv[1], NULL, 16);
@@ -116,8 +116,8 @@
 	splash_get_pos(&x, &y);
 
 	switch (argc) {
-	case 1:		/* use load_addr as default address */
-		addr = load_addr;
+	case 1:		/* use image_load_addr as default address */
+		addr = image_load_addr;
 		break;
 	case 2:		/* use argument */
 		addr = simple_strtoul(argv[1], NULL, 16);
diff --git a/cmd/booti.c b/cmd/booti.c
index d0671de..de50582 100644
--- a/cmd/booti.c
+++ b/cmd/booti.c
@@ -30,9 +30,9 @@
 
 	/* Setup Linux kernel Image entry point */
 	if (!argc) {
-		ld = load_addr;
+		ld = image_load_addr;
 		debug("*  kernel: default image load address = 0x%08lx\n",
-				load_addr);
+				image_load_addr);
 	} else {
 		ld = simple_strtoul(argv[0], NULL, 16);
 		debug("*  kernel: cmdline image address = 0x%08lx\n", ld);
diff --git a/cmd/bootm.c b/cmd/bootm.c
index 62ee7c4..931d53f 100644
--- a/cmd/bootm.c
+++ b/cmd/bootm.c
@@ -144,7 +144,8 @@
 		char *local_args[2];
 		local_args[0] = (char *)cmd;
 		local_args[1] = NULL;
-		printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
+		printf("Automatic boot of image at addr 0x%08lX ...\n",
+		       image_load_addr);
 		return do_bootm(cmdtp, 0, 1, local_args);
 	}
 
@@ -232,7 +233,7 @@
 	int	rcode = 0;
 
 	if (argc < 2) {
-		return image_info(load_addr);
+		return image_info(image_load_addr);
 	}
 
 	for (arg = 1; arg < argc; ++arg) {
diff --git a/cmd/bootz.c b/cmd/bootz.c
index 74be62c..7bfc491 100644
--- a/cmd/bootz.c
+++ b/cmd/bootz.c
@@ -33,9 +33,9 @@
 
 	/* Setup Linux kernel zImage entry point */
 	if (!argc) {
-		images->ep = load_addr;
+		images->ep = image_load_addr;
 		debug("*  kernel: default image load address = 0x%08lx\n",
-				load_addr);
+				image_load_addr);
 	} else {
 		images->ep = simple_strtoul(argv[0], NULL, 16);
 		debug("*  kernel: cmdline image address = 0x%08lx\n",
diff --git a/cmd/cramfs.c b/cmd/cramfs.c
index 2188910..1bc9875 100644
--- a/cmd/cramfs.c
+++ b/cmd/cramfs.c
@@ -97,7 +97,7 @@
 {
 	char *filename;
 	int size;
-	ulong offset = load_addr;
+	ulong offset = image_load_addr;
 	char *offset_virt;
 
 	struct part_info part;
@@ -127,7 +127,7 @@
 	}
 	if (argc == 3) {
 		offset = simple_strtoul(argv[1], NULL, 0);
-		load_addr = offset;
+		image_load_addr = offset;
 		filename = argv[2];
 	}
 
diff --git a/cmd/disk.c b/cmd/disk.c
index 437c175..c57561b 100644
--- a/cmd/disk.c
+++ b/cmd/disk.c
@@ -124,7 +124,7 @@
 	flush_cache(addr, (cnt+1)*info.blksz);
 
 	/* Loading ok, update default load address */
-	load_addr = addr;
+	image_load_addr = addr;
 
 	return bootm_maybe_autostart(cmdtp, argv[0]);
 }
diff --git a/cmd/elf.c b/cmd/elf.c
index 32f12a7..57736f9 100644
--- a/cmd/elf.c
+++ b/cmd/elf.c
@@ -294,7 +294,7 @@
 		/* Consume address */
 		argc--; argv++;
 	} else
-		addr = load_addr;
+		addr = image_load_addr;
 
 	if (!valid_elf_image(addr))
 		return 1;
@@ -348,7 +348,7 @@
 	 * If we don't know where the image is then we're done.
 	 */
 	if (argc < 2)
-		addr = load_addr;
+		addr = image_load_addr;
 	else
 		addr = simple_strtoul(argv[1], NULL, 16);
 
diff --git a/cmd/jffs2.c b/cmd/jffs2.c
index b47cd3d..672ed43 100644
--- a/cmd/jffs2.c
+++ b/cmd/jffs2.c
@@ -476,7 +476,7 @@
 	char *filename;
 	int size;
 	struct part_info *part;
-	ulong offset = load_addr;
+	ulong offset = image_load_addr;
 
 	/* pre-set Boot file name */
 	filename = env_get("bootfile");
@@ -488,7 +488,7 @@
 	}
 	if (argc == 3) {
 		offset = simple_strtoul(argv[1], NULL, 16);
-		load_addr = offset;
+		image_load_addr = offset;
 		filename = argv[2];
 	}
 
diff --git a/cmd/load.c b/cmd/load.c
index 68ff301..bed973e 100644
--- a/cmd/load.c
+++ b/cmd/load.c
@@ -109,7 +109,7 @@
 		rcode = 1;
 	} else {
 		printf("## Start Addr      = 0x%08lX\n", addr);
-		load_addr = addr;
+		image_load_addr = addr;
 	}
 
 #ifdef	CONFIG_SYS_LOADS_BAUD_CHANGE
@@ -485,12 +485,12 @@
 		addr = load_serial_bin(offset);
 
 		if (addr == ~0) {
-			load_addr = 0;
+			image_load_addr = 0;
 			printf("## Binary (kermit) download aborted\n");
 			rcode = 1;
 		} else {
 			printf("## Start Addr      = 0x%08lX\n", addr);
-			load_addr = addr;
+			image_load_addr = addr;
 		}
 	}
 	if (load_baudrate != current_baudrate) {
diff --git a/cmd/mvebu/bubt.c b/cmd/mvebu/bubt.c
index 84d2d53..6c68620 100644
--- a/cmd/mvebu/bubt.c
+++ b/cmd/mvebu/bubt.c
@@ -423,8 +423,10 @@
 #ifdef CONFIG_CMD_NET
 static size_t tftp_read_file(const char *file_name)
 {
-	/* update global variable load_addr before tftp file from network */
-	load_addr = get_load_addr();
+	/*
+	 * update global variable image_load_addr before tftp file from network
+	 */
+	image_load_addr = get_load_addr();
 	return net_loop(TFTPGET);
 }
 
diff --git a/cmd/nand.c b/cmd/nand.c
index 5bda69e..92089a7 100644
--- a/cmd/nand.c
+++ b/cmd/nand.c
@@ -925,7 +925,7 @@
 
 	/* Loading ok, update default load address */
 
-	load_addr = addr;
+	image_load_addr = addr;
 
 	return bootm_maybe_autostart(cmdtp, cmd);
 }
diff --git a/cmd/net.c b/cmd/net.c
index 2374039..6bce214 100644
--- a/cmd/net.c
+++ b/cmd/net.c
@@ -186,10 +186,10 @@
 
 	net_boot_file_name_explicit = false;
 
-	/* pre-set load_addr */
+	/* pre-set image_load_addr */
 	s = env_get("loadaddr");
 	if (s != NULL)
-		load_addr = simple_strtoul(s, NULL, 16);
+		image_load_addr = simple_strtoul(s, NULL, 16);
 
 	switch (argc) {
 	case 1:
@@ -206,7 +206,7 @@
 		 */
 		addr = simple_strtoul(argv[1], &end, 16);
 		if (end == (argv[1] + strlen(argv[1]))) {
-			load_addr = addr;
+			image_load_addr = addr;
 			/* refresh bootfile name from env */
 			copy_filename(net_boot_file_name, env_get("bootfile"),
 				      sizeof(net_boot_file_name));
@@ -218,7 +218,7 @@
 		break;
 
 	case 3:
-		load_addr = simple_strtoul(argv[1], NULL, 16);
+		image_load_addr = simple_strtoul(argv[1], NULL, 16);
 		net_boot_file_name_explicit = true;
 		copy_filename(net_boot_file_name, argv[2],
 			      sizeof(net_boot_file_name));
@@ -227,8 +227,8 @@
 
 #ifdef CONFIG_CMD_TFTPPUT
 	case 4:
-		if (strict_strtoul(argv[1], 16, &save_addr) < 0 ||
-		    strict_strtoul(argv[2], 16, &save_size) < 0) {
+		if (strict_strtoul(argv[1], 16, &image_save_addr) < 0 ||
+		    strict_strtoul(argv[2], 16, &image_save_size) < 0) {
 			printf("Invalid address/size\n");
 			return CMD_RET_USAGE;
 		}
diff --git a/cmd/pxe_utils.c b/cmd/pxe_utils.c
index a636346..ff8b0dc 100644
--- a/cmd/pxe_utils.c
+++ b/cmd/pxe_utils.c
@@ -1310,9 +1310,9 @@
 #ifdef CONFIG_CMD_BMP
 	/* display BMP if available */
 	if (cfg->bmp) {
-		if (get_relfile(cmdtp, cfg->bmp, load_addr)) {
+		if (get_relfile(cmdtp, cfg->bmp, image_load_addr)) {
 			run_command("cls", 0);
-			bmp_display(load_addr,
+			bmp_display(image_load_addr,
 				    BMP_ALIGN_CENTER, BMP_ALIGN_CENTER);
 		} else {
 			printf("Skipping background bmp %s for failure\n",
diff --git a/cmd/reiser.c b/cmd/reiser.c
index 7f51b92..598fab4 100644
--- a/cmd/reiser.c
+++ b/cmd/reiser.c
@@ -154,7 +154,7 @@
 	}
 
 	/* Loading ok, update default load address */
-	load_addr = addr;
+	image_load_addr = addr;
 
 	printf ("\n%ld bytes read\n", filelen);
 	env_set_hex("filesize", filelen);
diff --git a/cmd/source.c b/cmd/source.c
index 3a51ebf..be11350 100644
--- a/cmd/source.c
+++ b/cmd/source.c
@@ -172,7 +172,8 @@
 		addr = CONFIG_SYS_LOAD_ADDR;
 		debug ("*  source: default load address = 0x%08lx\n", addr);
 #if defined(CONFIG_FIT)
-	} else if (fit_parse_subimage (argv[1], load_addr, &addr, &fit_uname)) {
+	} else if (fit_parse_subimage(argv[1], image_load_addr, &addr,
+				      &fit_uname)) {
 		debug ("*  source: subimage '%s' from FIT image at 0x%08lx\n",
 				fit_uname, addr);
 #endif
diff --git a/cmd/ximg.c b/cmd/ximg.c
index 22b2037..dccd114 100644
--- a/cmd/ximg.c
+++ b/cmd/ximg.c
@@ -33,7 +33,7 @@
 static int
 do_imgextract(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 {
-	ulong		addr = load_addr;
+	ulong		addr = image_load_addr;
 	ulong		dest = 0;
 	ulong		data, len;
 	int		verify;
diff --git a/cmd/zfs.c b/cmd/zfs.c
index ed5402b..1533130 100644
--- a/cmd/zfs.c
+++ b/cmd/zfs.c
@@ -112,7 +112,7 @@
 	zfs_close(&zfile);
 
 	/* Loading ok, update default load address */
-	load_addr = addr;
+	image_load_addr = addr;
 
 	printf("%llu bytes read\n", zfile.size);
 	env_set_hex("filesize", zfile.size);
diff --git a/common/board_r.c b/common/board_r.c
index 0102da7..cf3a5f7 100644
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -484,7 +484,7 @@
 #endif
 
 	/* Initialize from environment */
-	load_addr = env_get_ulong("loadaddr", 16, load_addr);
+	image_load_addr = env_get_ulong("loadaddr", 16, image_load_addr);
 
 	return 0;
 }
diff --git a/common/image-fdt.c b/common/image-fdt.c
index 4838848..dbb1e6e 100644
--- a/common/image-fdt.c
+++ b/common/image-fdt.c
@@ -285,7 +285,8 @@
 	*of_flat_tree = NULL;
 	*of_size = 0;
 
-	img_addr = (argc == 0) ? load_addr : simple_strtoul(argv[0], NULL, 16);
+	img_addr = (argc == 0) ? image_load_addr :
+			simple_strtoul(argv[0], NULL, 16);
 	buf = map_sysmem(img_addr, 0);
 
 	if (argc > 2)
@@ -304,7 +305,7 @@
 			else if (images->fit_uname_os)
 				default_addr = (ulong)images->fit_hdr_os;
 			else
-				default_addr = load_addr;
+				default_addr = image_load_addr;
 
 			if (fit_parse_conf(select, default_addr,
 					   &fdt_addr, &fit_uname_config)) {
diff --git a/common/image.c b/common/image.c
index 75d5dd9..2288cff 100644
--- a/common/image.c
+++ b/common/image.c
@@ -557,9 +557,9 @@
 /* Shared dual-format routines */
 /*****************************************************************************/
 #ifndef USE_HOSTCC
-ulong load_addr = CONFIG_SYS_LOAD_ADDR;	/* Default Load Address */
-ulong save_addr;			/* Default Save Address */
-ulong save_size;			/* Default Save Size (in bytes) */
+ulong image_load_addr = CONFIG_SYS_LOAD_ADDR;	/* Default Load Address */
+ulong image_save_addr;			/* Default Save Address */
+ulong image_save_size;			/* Default Save Size (in bytes) */
 
 static int on_loadaddr(const char *name, const char *value, enum env_op op,
 	int flags)
@@ -567,7 +567,7 @@
 	switch (op) {
 	case env_op_create:
 	case env_op_overwrite:
-		load_addr = simple_strtoul(value, NULL, 16);
+		image_load_addr = simple_strtoul(value, NULL, 16);
 		break;
 	default:
 		break;
@@ -936,15 +936,15 @@
 
 	/* find out kernel image address */
 	if (!img_addr) {
-		kernel_addr = load_addr;
+		kernel_addr = image_load_addr;
 		debug("*  kernel: default image load address = 0x%08lx\n",
-		      load_addr);
+		      image_load_addr);
 #if CONFIG_IS_ENABLED(FIT)
-	} else if (fit_parse_conf(img_addr, load_addr, &kernel_addr,
+	} else if (fit_parse_conf(img_addr, image_load_addr, &kernel_addr,
 				  fit_uname_config)) {
 		debug("*  kernel: config '%s' from image at 0x%08lx\n",
 		      *fit_uname_config, kernel_addr);
-	} else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr,
+	} else if (fit_parse_subimage(img_addr, image_load_addr, &kernel_addr,
 				     fit_uname_kernel)) {
 		debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
 		      *fit_uname_kernel, kernel_addr);
@@ -1102,7 +1102,7 @@
 			if (images->fit_uname_os)
 				default_addr = (ulong)images->fit_hdr_os;
 			else
-				default_addr = load_addr;
+				default_addr = image_load_addr;
 
 			if (fit_parse_conf(select, default_addr,
 					   &rd_addr, &fit_uname_config)) {
diff --git a/common/spl/spl_net.c b/common/spl/spl_net.c
index 8033032..30c050c 100644
--- a/common/spl/spl_net.c
+++ b/common/spl/spl_net.c
@@ -19,14 +19,14 @@
 {
 	debug("%s: sector %lx, count %lx, buf %lx\n",
 	      __func__, sector, count, (ulong)buf);
-	memcpy(buf, (void *)(load_addr + sector), count);
+	memcpy(buf, (void *)(image_load_addr + sector), count);
 	return count;
 }
 
 static int spl_net_load_image(struct spl_image_info *spl_image,
 			      struct spl_boot_device *bootdev)
 {
-	struct image_header *header = (struct image_header *)load_addr;
+	struct image_header *header = (struct image_header *)image_load_addr;
 	int rv;
 
 	env_init();
diff --git a/common/update.c b/common/update.c
index 13b09ab..bfb760e 100644
--- a/common/update.c
+++ b/common/update.c
@@ -45,7 +45,6 @@
 
 extern ulong tftp_timeout_ms;
 extern int tftp_timeout_count_max;
-extern ulong load_addr;
 #ifdef CONFIG_MTD_NOR_FLASH
 extern flash_info_t flash_info[];
 static uchar *saved_prot_info;
@@ -72,7 +71,7 @@
 	env_set("netretry", "no");
 
 	/* download the update file */
-	load_addr = addr;
+	image_load_addr = addr;
 	copy_filename(net_boot_file_name, filename, sizeof(net_boot_file_name));
 	size = net_loop(TFTPGET);
 
diff --git a/drivers/ddr/marvell/a38x/ddr3_training_ip_engine.c b/drivers/ddr/marvell/a38x/ddr3_training_ip_engine.c
index 74417d6..27610d4 100644
--- a/drivers/ddr/marvell/a38x/ddr3_training_ip_engine.c
+++ b/drivers/ddr/marvell/a38x/ddr3_training_ip_engine.c
@@ -612,9 +612,9 @@
 			      MASK_ALL_BITS));
 	}
 
-	CHECK_STATUS(ddr3_tip_if_write
-		     (dev_num, access_type, if_id,
-		      ODPG_DATA_BUFFER_OFFS_REG, load_addr, MASK_ALL_BITS));
+	CHECK_STATUS(ddr3_tip_if_write(dev_num, access_type, if_id,
+				       ODPG_DATA_BUFFER_OFFS_REG,
+				       image_load_addr, MASK_ALL_BITS));
 
 	return MV_OK;
 }
diff --git a/include/common.h b/include/common.h
index f4a9dc3..09b5f62 100644
--- a/include/common.h
+++ b/include/common.h
@@ -62,9 +62,9 @@
 /* common/cmd_source.c */
 int	source (ulong addr, const char *fit_uname);
 
-extern ulong load_addr;		/* Default Load Address */
-extern ulong save_addr;		/* Default Save Address */
-extern ulong save_size;		/* Default Save Size */
+extern ulong image_load_addr;		/* Default Load Address */
+extern ulong image_save_addr;		/* Default Save Address */
+extern ulong image_save_size;		/* Default Save Size */
 
 /* common/memsize.c */
 long	get_ram_size  (long *, long);
diff --git a/net/net.c b/net/net.c
index 5199d67..b9bf0d1 100644
--- a/net/net.c
+++ b/net/net.c
@@ -636,7 +636,7 @@
 				printf("Bytes transferred = %d (%x hex)\n",
 				       net_boot_file_size, net_boot_file_size);
 				env_set_hex("filesize", net_boot_file_size);
-				env_set_hex("fileaddr", load_addr);
+				env_set_hex("fileaddr", image_load_addr);
 			}
 			if (protocol != NETCONS)
 				eth_halt();
diff --git a/net/nfs.c b/net/nfs.c
index f4101eb..5226e2c 100644
--- a/net/nfs.c
+++ b/net/nfs.c
@@ -88,14 +88,15 @@
 
 	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
 		/* start address in flash? */
-		if (load_addr + offset >= flash_info[i].start[0]) {
+		if (image_load_addr + offset >= flash_info[i].start[0]) {
 			rc = 1;
 			break;
 		}
 	}
 
 	if (rc) { /* Flash is destination for this packet */
-		rc = flash_write((uchar *)src, (ulong)(load_addr+offset), len);
+		rc = flash_write((uchar *)src, (ulong)image_load_addr + offset,
+				 len);
 		if (rc) {
 			flash_perror(rc);
 			return -1;
@@ -103,7 +104,7 @@
 	} else
 #endif /* CONFIG_SYS_DIRECT_FLASH_NFS */
 	{
-		void *ptr = map_sysmem(load_addr + offset, len);
+		void *ptr = map_sysmem(image_load_addr + offset, len);
 
 		memcpy(ptr, src, len);
 		unmap_sysmem(ptr);
@@ -912,7 +913,7 @@
 		       net_boot_file_expected_size_in_blocks << 9);
 		print_size(net_boot_file_expected_size_in_blocks << 9, "");
 	}
-	printf("\nLoad address: 0x%lx\nLoading: *\b", load_addr);
+	printf("\nLoad address: 0x%lx\nLoading: *\b", image_load_addr);
 
 	net_set_timeout_handler(nfs_timeout, nfs_timeout_handler);
 	net_set_udp_handler(nfs_handler);
diff --git a/net/tftp.c b/net/tftp.c
index 1e3c18a..899d3b8 100644
--- a/net/tftp.c
+++ b/net/tftp.c
@@ -221,7 +221,7 @@
 	ulong tosend = len;
 
 	tosend = min(net_boot_file_size - offset, tosend);
-	(void)memcpy(dst, (void *)(save_addr + offset), tosend);
+	(void)memcpy(dst, (void *)(image_save_addr + offset), tosend);
 	debug("%s: block=%d, offset=%ld, len=%d, tosend=%ld\n", __func__,
 	      block, offset, len, tosend);
 	return tosend;
@@ -605,7 +605,7 @@
 	}
 }
 
-/* Initialize tftp_load_addr and tftp_load_size from load_addr and lmb */
+/* Initialize tftp_load_addr and tftp_load_size from image_load_addr and lmb */
 static int tftp_init_load_addr(void)
 {
 #ifdef CONFIG_LMB
@@ -614,13 +614,13 @@
 
 	lmb_init_and_reserve(&lmb, gd->bd, (void *)gd->fdt_blob);
 
-	max_size = lmb_get_free_size(&lmb, load_addr);
+	max_size = lmb_get_free_size(&lmb, image_load_addr);
 	if (!max_size)
 		return -1;
 
 	tftp_load_size = max_size;
 #endif
-	tftp_load_addr = load_addr;
+	tftp_load_addr = image_load_addr;
 	return 0;
 }
 
@@ -710,9 +710,9 @@
 #ifdef CONFIG_CMD_TFTPPUT
 	tftp_put_active = (protocol == TFTPPUT);
 	if (tftp_put_active) {
-		printf("Save address: 0x%lx\n", save_addr);
-		printf("Save size:    0x%lx\n", save_size);
-		net_boot_file_size = save_size;
+		printf("Save address: 0x%lx\n", image_save_addr);
+		printf("Save size:    0x%lx\n", image_save_size);
+		net_boot_file_size = image_save_size;
 		puts("Saving: *\b");
 		tftp_state = STATE_SEND_WRQ;
 		new_transfer();