[U-Boot] [RFC PATCH 08/22] arm: Use image_setup_linux() instead of local code

[Simon Glass]

Use the common FDT setup function that is now available in image. Move
the FDT-specific code to a new bootm-fdt.c and remove unused headers
from bootm.c.

Signed-off-by: Simon Glass <sjg at chromium.org>
---
 arch/arm/lib/Makefile    |    1 +
 arch/arm/lib/bootm-fdt.c |   52 ++++++++++++++++++++++++++++++++++++++
 arch/arm/lib/bootm.c     |   62 +---------------------------------------------
 3 files changed, 54 insertions(+), 61 deletions(-)
 create mode 100644 arch/arm/lib/bootm-fdt.c

diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index 3422ac1..eca8964 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -39,6 +39,7 @@ GLCOBJS	+= div0.o
 ifndef CONFIG_SPL_BUILD
 COBJS-y	+= board.o
 COBJS-y	+= bootm.o
+COBJS-$(CONFIG_OF_LIBFDT) += bootm-fdt.o
 COBJS-$(CONFIG_SYS_L2_PL310) += cache-pl310.o
 COBJS-y	+= interrupts.o
 COBJS-y	+= reset.o
diff --git a/arch/arm/lib/bootm-fdt.c b/arch/arm/lib/bootm-fdt.c
new file mode 100644
index 0000000..93888f8
--- /dev/null
+++ b/arch/arm/lib/bootm-fdt.c
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2013, Google Inc.
+ *
+ * Copyright (C) 2011
+ * Corscience GmbH & Co. KG - Simon Schwarz <schwarz at corscience.de>
+ *  - Added prep subcommand support
+ *  - Reorganized source - modeled after powerpc version
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger at sysgo.de>
+ *
+ * Copyright (C) 2001  Erik Mouw (J.A.K.Mouw at its.tudelft.nl)
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <fdt_support.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int arch_fixup_memory_node(void *blob)
+{
+	bd_t *bd = gd->bd;
+	int bank;
+	u64 start[CONFIG_NR_DRAM_BANKS];
+	u64 size[CONFIG_NR_DRAM_BANKS];
+
+	for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
+		start[bank] = bd->bi_dram[bank].start;
+		size[bank] = bd->bi_dram[bank].size;
+	}
+
+	return fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS);
+}
diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c
index 78fc013..0b7a5bb 100644
--- a/arch/arm/lib/bootm.c
+++ b/arch/arm/lib/bootm.c
@@ -22,17 +22,11 @@
  * 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
- *
  */
 
 #include <common.h>
 #include <command.h>
 #include <image.h>
-#include <u-boot/zlib.h>
-#include <asm/byteorder.h>
-#include <fdt.h>
-#include <libfdt.h>
-#include <fdt_support.h>
 #include <asm/bootm.h>
 #include <linux/compiler.h>
 
@@ -70,23 +64,6 @@ void arch_lmb_reserve(struct lmb *lmb)
 		    gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size - sp);
 }
 
-#ifdef CONFIG_OF_LIBFDT
-static int fixup_memory_node(void *blob)
-{
-	bd_t	*bd = gd->bd;
-	int bank;
-	u64 start[CONFIG_NR_DRAM_BANKS];
-	u64 size[CONFIG_NR_DRAM_BANKS];
-
-	for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
-		start[bank] = bd->bi_dram[bank].start;
-		size[bank] = bd->bi_dram[bank].size;
-	}
-
-	return fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS);
-}
-#endif
-
 static void announce_and_cleanup(void)
 {
 	printf("\nStarting kernel ...\n\n");
@@ -203,43 +180,6 @@ static void setup_end_tag(bd_t *bd)
 	params->hdr.size = 0;
 }
 
-#ifdef CONFIG_OF_LIBFDT
-static int create_fdt(bootm_headers_t *images)
-{
-	ulong of_size = images->ft_len;
-	char **of_flat_tree = &images->ft_addr;
-	ulong *initrd_start = &images->initrd_start;
-	ulong *initrd_end = &images->initrd_end;
-	struct lmb *lmb = &images->lmb;
-	ulong rd_len;
-	int ret;
-
-	debug("using: FDT\n");
-
-	boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
-
-	rd_len = images->rd_end - images->rd_start;
-	ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
-			initrd_start, initrd_end);
-	if (ret)
-		return ret;
-
-	ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
-	if (ret)
-		return ret;
-
-	fdt_chosen(*of_flat_tree, 1);
-	fixup_memory_node(*of_flat_tree);
-	fdt_fixup_ethernet(*of_flat_tree);
-	fdt_initrd(*of_flat_tree, *initrd_start, *initrd_end, 1);
-#ifdef CONFIG_OF_BOARD_SETUP
-	ft_board_setup(*of_flat_tree, gd->bd);
-#endif
-
-	return 0;
-}
-#endif
-
 __weak void setup_board_tags(struct tag **in_params) {}
 
 /* Subcommand: PREP */
@@ -250,7 +190,7 @@ static void boot_prep_linux(bootm_headers_t *images)
 	if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) {
 #ifdef CONFIG_OF_LIBFDT
 		debug("using: FDT\n");
-		if (create_fdt(images)) {
+		if (image_setup_linux(images)) {
 			printf("FDT creation failed! hanging...");
 			hang();
 		}
-- 
1.7.7.3