49 lines
1.5 KiB
Diff
49 lines
1.5 KiB
Diff
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From caa0dca3f4913712d1883e9b3b540f0815864ed9 Mon Sep 17 00:00:00 2001
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From: Alexey Brodkin <abrodkin@synopsys.com>
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Date: Tue, 31 Jan 2017 19:03:56 +0300
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Subject: [PATCH 3/3] arc: vdk: Add support of UIO
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ARC VDK for EVSS uses UIO for communication with Embedded Vision
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Subsystem.
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Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
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---
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arch/arc/boot/dts/vdk_axs10x_mb.dtsi | 8 ++++++++
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arch/arc/configs/vdk_hs38_smp_defconfig | 2 ++
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2 files changed, 10 insertions(+)
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diff --git a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
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index 1953914b9f4f..f0df59b23e21 100644
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--- a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
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+++ b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
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@@ -112,5 +112,13 @@
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interrupts = <7>;
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bus-width = <4>;
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};
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+
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+ /* Embedded Vision subsystem UIO mappings; only relevant for EV VDK */
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+ uio_ev: uio@0xD0000000 {
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+ compatible = "generic-uio";
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+ reg = <0xD0000000 0x2000 0xD1000000 0x2000 0x90000000 0x10000000 0xC0000000 0x10000000>;
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+ reg-names = "ev_gsa", "ev_ctrl", "ev_shared_mem", "ev_code_mem";
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+ interrupts = <23>;
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+ };
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};
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};
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diff --git a/arch/arc/configs/vdk_hs38_smp_defconfig b/arch/arc/configs/vdk_hs38_smp_defconfig
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index 85c697a7ef1c..ecd7f42d50c9 100644
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--- a/arch/arc/configs/vdk_hs38_smp_defconfig
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+++ b/arch/arc/configs/vdk_hs38_smp_defconfig
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@@ -83,6 +83,8 @@ CONFIG_MMC=y
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CONFIG_MMC_SDHCI=y
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CONFIG_MMC_SDHCI_PLTFM=y
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CONFIG_MMC_DW=y
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+CONFIG_UIO=y
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+CONFIG_UIO_PDRV_GENIRQ=y
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# CONFIG_IOMMU_SUPPORT is not set
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CONFIG_EXT3_FS=y
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CONFIG_MSDOS_FS=y
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--
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2.7.4
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