[U-Boot] [PATCH v3] common: board_f: Dont relocate FDT incase of CONFIG_OF_EMBED

Michal Simek michal.simek at xilinx.com
Wed Dec 2 11:19:44 CET 2015


From: Siva Durga Prasad Paladugu <siva.durga.paladugu at xilinx.com>

Don't relocate fdt in case of CONFIG_OF EMBED as the fdt is
already embedded with u-boot image. Also update the fdt_blob
correctly in this case

Signed-off-by: Siva Durga Prasad Paladugu <sivadur at xilinx.com>
Signed-off-by: Michal Simek <michal.simek at xilinx.com>
Reviewed-by: Alexey Brodkin <abrodkin at synopsys.com>
Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
Tested-by: Bin Meng <bmeng.cn at gmail.com> (QEMU x86)
Tested-by: Thomas Chou <thomas at wytron.com.tw> (Nios2)
Acked-by: Thomas Chou <thomas at wytron.com.tw>
---

Changes in v3:
- Remove maybe unused and move ifdefs to functions directly - reported
  by Simon

Changes in v2:
- Fix commit message reported by Alexey

 common/board_f.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/common/board_f.c b/common/board_f.c
index b035c90ff3b7..706232e9381b 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -510,6 +510,7 @@ static int reserve_global_data(void)
 
 static int reserve_fdt(void)
 {
+#ifndef CONFIG_OF_EMBED
 	/*
 	 * If the device tree is sitting immediately above our image then we
 	 * must relocate it. If it is embedded in the data section, then it
@@ -523,6 +524,7 @@ static int reserve_fdt(void)
 		debug("Reserving %lu Bytes for FDT at: %08lx\n",
 		      gd->fdt_size, gd->start_addr_sp);
 	}
+#endif
 
 	return 0;
 }
@@ -660,12 +662,14 @@ static int setup_dram_config(void)
 
 static int reloc_fdt(void)
 {
+#ifndef CONFIG_OF_EMBED
 	if (gd->flags & GD_FLG_SKIP_RELOC)
 		return 0;
 	if (gd->new_fdt) {
 		memcpy(gd->new_fdt, gd->fdt_blob, gd->fdt_size);
 		gd->fdt_blob = gd->new_fdt;
 	}
+#endif
 
 	return 0;
 }
@@ -687,6 +691,9 @@ static int setup_reloc(void)
 	gd->reloc_off = gd->relocaddr - (CONFIG_SYS_TEXT_BASE + 0x400);
 #endif
 #endif
+#ifdef CONFIG_OF_EMBED
+	gd->fdt_blob += gd->reloc_off;
+#endif
 	memcpy(gd->new_gd, (char *)gd, sizeof(gd_t));
 
 	debug("Relocation Offset is: %08lx\n", gd->reloc_off);
-- 
1.9.1



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