From: Stephen Warren <swarren@nvidia.com>
Date: Thu, 19 Apr 2012 11:34:00 +0000 (+0000)
Subject: arm: fix bootm with device tree
X-Git-Tag: v2012.04.01~3
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=1723997610ace497252d6f9a44ec76c06951ae43;p=oweals%2Fu-boot.git

arm: fix bootm with device tree

Commit 0a672d4 "arm: Add Prep subcommand support to bootm" re-organized
do_bootm_linux() for ARM. During the re-organization, the code to pass
the device tree to the kernel was removed. Add it back. This restores
the ability to boot a kernel using device tree.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Tom Rini <trini@ti.com>
Acked-by: Allen Martin <amartin@nvidia.com>
Tested-by: Allen Martin <amartin@nvidia.com>
---

diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c
index 1c1bee6aeb..cba457fcc9 100644
--- a/arch/arm/lib/bootm.c
+++ b/arch/arm/lib/bootm.c
@@ -317,6 +317,7 @@ static void boot_jump_linux(bootm_headers_t *images)
 	unsigned long machid = gd->bd->bi_arch_number;
 	char *s;
 	void (*kernel_entry)(int zero, int arch, uint params);
+	unsigned long r2;
 
 	kernel_entry = (void (*)(int, int, uint))images->ep;
 
@@ -330,7 +331,15 @@ static void boot_jump_linux(bootm_headers_t *images)
 		"...\n", (ulong) kernel_entry);
 	bootstage_mark(BOOTSTAGE_ID_RUN_OS);
 	announce_and_cleanup();
-	kernel_entry(0, machid, gd->bd->bi_boot_params);
+
+#ifdef CONFIG_OF_LIBFDT
+	if (images->ft_len)
+		r2 = (unsigned long)images->ft_addr;
+	else
+#endif
+		r2 = gd->bd->bi_boot_params;
+
+	kernel_entry(0, machid, r2);
 }
 
 /* Main Entry point for arm bootm implementation