openwrt/target/linux/mvebu/patches-3.10/0060-ARM-kirkwood-Split-DT-and-legacy-MBus-initialization.patch
Luka Perkov 3af779eb17 mvebu: backport mainline patches from kernel 3.12
This is a backport of the patches accepted to the Linux mainline related to
mvebu SoC (Armada XP and Armada 370) between Linux v3.11, and Linux v3.12.
This work mainly covers:

* Ground work for sharing the pxa nand driver(drivers/mtd/nand/pxa3xx_nand.c)
  between the PXA family,and the Armada family.
* Further updates to the mvebu MBus.
* Work and ground work for enabling MSI on the Armada family.
* some phy / mdio bus initialization related work.
* Device tree binding documentation update.

Signed-off-by: Seif Mazareeb <seif.mazareeb@gmail.com>
CC: Luka Perkov <luka@openwrt.org>

SVN-Revision: 39565
2014-02-11 02:07:41 +00:00

53 lines
1.7 KiB
Diff

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();