On Fri, Jul 24, 2009 at 07:22:32PM +0200, ext Kanigeri, Hari wrote:
> This patch adds omap4 support in iommu
> module. This creates OMAP4 platform specific file
> for iommu and defines the Ducati MMU fault interrupt.
>
> Signed-off-by: Hari Kanigeri <h-kanigeri2@xxxxxx>
> ---
> arch/arm/mach-omap2/omap4-iommu.c | 112 ++++++++++++++++++++++++++++++++
> arch/arm/plat-omap/include/mach/irqs.h | 2 +-
> 2 files changed, 113 insertions(+), 1 deletions(-)
> create mode 100644 arch/arm/mach-omap2/omap4-iommu.c
>
> diff --git a/arch/arm/mach-omap2/omap4-iommu.c b/arch/arm/mach-omap2/omap4-iommu.c
> new file mode 100644
> index 0000000..5a782df
> --- /dev/null
> +++ b/arch/arm/mach-omap2/omap4-iommu.c
> @@ -0,0 +1,112 @@
> +/*
> + * omap iommu: omap4 device registration
> + *
> + * Copyright (C) 2009-2010 Nokia Corporation
> + *
> + * Written by Hari Kanigeri <h-kanigeri2@xxxxxx>
> + *
> + * Added support for OMAP4. This is based on original file
> + * omap3-iommu.c
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + */
> +
> +#include <linux/platform_device.h>
> +
> +#include <mach/iommu.h>
> +#include <mach/irqs.h>
> +
> +#define OMAP4_MMU1_BASE 0x55082000
> +#define OMAP4_MMU2_BASE 0x4A066000
> +
> +#define OMAP4_MMU1_IRQ INT_44XX_DUCATI_MMU_IRQ
> +#define OMAP4_MMU2_IRQ INT_44XX_DSP_MMU
> +
> +
> +
> +static unsigned long iommu_base[] __initdata = {
> + OMAP4_MMU1_BASE,
> + OMAP4_MMU2_BASE,
> +};
> +
> +static int iommu_irq[] __initdata = {
> + OMAP4_MMU1_IRQ,
> + OMAP4_MMU2_IRQ,
> +};
these two looks really odd :-s
> +
> +static const struct iommu_platform_data omap4_iommu_pdata[] __initconst = {
> + {
> + .name = "ducati",
> + .nr_tlb_entries = 32,
> + .clk_name = "ducati_ick",
passing clk names should be avoided. use clkdev.
> + },
> +#if defined(CONFIG_MPU_TESLA_IOMMU)
this ifdef looks odd.
--
balbi
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