[PATCH v2] arm: zynq: Support GIC OF initialization

Subsystems: arm port, arm/zynq architecture, the rest

STALE5188d

2 messages, 2 authors, 2012-06-20 · open the first message on its own page

[PATCH v2] arm: zynq: Support GIC OF initialization

From: Michal Simek <monstr@monstr.eu>
Date: 2012-06-20 06:24:20

Zynq is OF driven platfrom which requires OF initialization.

Signed-off-by: Michal Simek <monstr@monstr.eu>

---
v2: Remove also corresponding defines
---
 arch/arm/mach-zynq/common.c                |    7 ++++++-
 arch/arm/mach-zynq/include/mach/zynq_soc.h |    2 --
 2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-zynq/common.c b/arch/arm/mach-zynq/common.c
index 17d68d6..7941544 100644
--- a/arch/arm/mach-zynq/common.c
+++ b/arch/arm/mach-zynq/common.c
@@ -56,12 +56,17 @@ static void __init xilinx_init_machine(void)
 	of_platform_bus_probe(NULL, zynq_of_bus_ids, NULL);
 }
 
+static const struct of_device_id zynq_dt_irq_match[] __initconst = {
+	{ .compatible = "arm,cortex-a9-gic", .data = gic_of_init },
+	{ }
+};
+
 /**
  * xilinx_irq_init() - Interrupt controller initialization for the GIC.
  */
 static void __init xilinx_irq_init(void)
 {
-	gic_init(0, 29, SCU_GIC_DIST_BASE, SCU_GIC_CPU_BASE);
+	of_irq_init(zynq_dt_irq_match);
 }
 
 /* The minimum devices needed to be mapped before the VM system is up and
diff --git a/arch/arm/mach-zynq/include/mach/zynq_soc.h b/arch/arm/mach-zynq/include/mach/zynq_soc.h
index 6ff7015..eab11a0 100644
--- a/arch/arm/mach-zynq/include/mach/zynq_soc.h
+++ b/arch/arm/mach-zynq/include/mach/zynq_soc.h
@@ -41,9 +41,7 @@
 
 #define TTC0_BASE			IOMEM(TTC0_VIRT)
 #define SCU_PERIPH_BASE			IOMEM(SCU_PERIPH_VIRT)
-#define SCU_GIC_CPU_BASE		(SCU_PERIPH_BASE + 0x100)
 #define SCU_CPU_TIMER_BASE		(SCU_PERIPH_BASE + 0x600)
-#define SCU_GIC_DIST_BASE		(SCU_PERIPH_BASE + 0x1000)
 #define PL310_L2CC_BASE			IOMEM(PL310_L2CC_VIRT)
 
 /*
-- 
1.7.0.4

Re: [PATCH v2] arm: zynq: Support GIC OF initialization

From: Rob Herring <hidden>
Date: 2012-06-20 12:29:50

On 06/20/2012 01:24 AM, Michal Simek wrote:
Zynq is OF driven platfrom which requires OF initialization.

Signed-off-by: Michal Simek <monstr@monstr.eu>
Acked-by: Rob Herring <redacted>
quoted hunk
---
v2: Remove also corresponding defines
---
 arch/arm/mach-zynq/common.c                |    7 ++++++-
 arch/arm/mach-zynq/include/mach/zynq_soc.h |    2 --
 2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-zynq/common.c b/arch/arm/mach-zynq/common.c
index 17d68d6..7941544 100644
--- a/arch/arm/mach-zynq/common.c
+++ b/arch/arm/mach-zynq/common.c
@@ -56,12 +56,17 @@ static void __init xilinx_init_machine(void)
 	of_platform_bus_probe(NULL, zynq_of_bus_ids, NULL);
 }
 
+static const struct of_device_id zynq_dt_irq_match[] __initconst = {
+	{ .compatible = "arm,cortex-a9-gic", .data = gic_of_init },
+	{ }
+};
+
 /**
  * xilinx_irq_init() - Interrupt controller initialization for the GIC.
  */
 static void __init xilinx_irq_init(void)
 {
-	gic_init(0, 29, SCU_GIC_DIST_BASE, SCU_GIC_CPU_BASE);
+	of_irq_init(zynq_dt_irq_match);
 }
 
 /* The minimum devices needed to be mapped before the VM system is up and
diff --git a/arch/arm/mach-zynq/include/mach/zynq_soc.h b/arch/arm/mach-zynq/include/mach/zynq_soc.h
index 6ff7015..eab11a0 100644
--- a/arch/arm/mach-zynq/include/mach/zynq_soc.h
+++ b/arch/arm/mach-zynq/include/mach/zynq_soc.h
@@ -41,9 +41,7 @@
 
 #define TTC0_BASE			IOMEM(TTC0_VIRT)
 #define SCU_PERIPH_BASE			IOMEM(SCU_PERIPH_VIRT)
-#define SCU_GIC_CPU_BASE		(SCU_PERIPH_BASE + 0x100)
 #define SCU_CPU_TIMER_BASE		(SCU_PERIPH_BASE + 0x600)
-#define SCU_GIC_DIST_BASE		(SCU_PERIPH_BASE + 0x1000)
 #define PL310_L2CC_BASE			IOMEM(PL310_L2CC_VIRT)
 
 /*
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