openwrtv4/target/linux/mvebu/patches-3.10/0060-ARM-kirkwood-Split-DT-and-legacy-MBus-initialization.patch

From d1989c73eb770891635cc644f091d7524bbfd696 Mon Sep 17 00:00:00 2001
From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Date: Tue, 23 Jul 2013 07:42:09 -0300
Subject: [PATCH 060/203] ARM: kirkwood: Split DT and legacy MBus
 initialization

This commit replaces the legacy MBus initialization with the new
DT-based in Kirkwood. For boards that are not yet converted to DT,
we keep the legacy initialization.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
---
 arch/arm/mach-kirkwood/board-dt.c | 1 +
 arch/arm/mach-kirkwood/common.c   | 8 ++++----
 2 files changed, 5 insertions(+), 4 deletions(-)

--- a/arch/arm/mach-kirkwood/board-dt.c
+++ b/arch/arm/mach-kirkwood/board-dt.c
@@ -93,6 +93,7 @@ static void __init kirkwood_dt_init(void
 	 */
 	writel(readl(CPU_CONFIG) & ~CPU_CONFIG_ERROR_PROP, CPU_CONFIG);
 
+	BUG_ON(mvebu_mbus_dt_init());
 	kirkwood_setup_wins();
 
 	kirkwood_l2_init();
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -527,10 +527,6 @@ void __init kirkwood_cpuidle_init(void)
 void __init kirkwood_init_early(void)
 {
 	orion_time_set_base(TIMER_VIRT_BASE);
-
-	mvebu_mbus_init("marvell,kirkwood-mbus",
-			BRIDGE_WINS_BASE, BRIDGE_WINS_SZ,
-			DDR_WINDOW_CPU_BASE, DDR_WINDOW_CPU_SZ);
 }
 
 int kirkwood_tclk;
@@ -703,6 +699,10 @@ void __init kirkwood_init(void)
 	 */
 	writel(readl(CPU_CONFIG) & ~CPU_CONFIG_ERROR_PROP, CPU_CONFIG);
 
+	BUG_ON(mvebu_mbus_init("marvell,kirkwood-mbus",
+			BRIDGE_WINS_BASE, BRIDGE_WINS_SZ,
+			DDR_WINDOW_CPU_BASE, DDR_WINDOW_CPU_SZ));
+
 	kirkwood_setup_wins();
 
 	kirkwood_l2_init();