2012-06-20 06:24:20

by Michal Simek

[permalink] [raw]
Subject: [PATCH v2] arm: zynq: Support GIC OF initialization

Zynq is OF driven platfrom which requires OF initialization.

Signed-off-by: Michal Simek <[email protected]>

---
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


2012-06-20 12:29:50

by Rob Herring

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

On 06/20/2012 01:24 AM, Michal Simek wrote:
> Zynq is OF driven platfrom which requires OF initialization.
>
> Signed-off-by: Michal Simek <[email protected]>

Acked-by: Rob Herring <[email protected]>

>
> ---
> 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)
>
> /*