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arc: vdk: Add support of UIO 

ARC VDK for EVSS uses UIO for communication with Embedded Vision
Subsystem.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
hifive-unleashed-5.1
Alexey Brodkin 2017-02-01 19:42:53 +03:00 committed by Vineet Gupta
parent d9174e722d
commit cf16bf7779
2 changed files with 10 additions and 0 deletions
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8
arch/arc/boot/dts/vdk_axs10x_mb.dtsi
View File

@ -112,5 +112,13 @@
interrupts = <7>;
bus-width = <4>;
};
/* Embedded Vision subsystem UIO mappings; only relevant for EV VDK */
uio_ev: uio@0xD0000000 {
compatible = "generic-uio";
reg = <0xD0000000 0x2000 0xD1000000 0x2000 0x90000000 0x10000000 0xC0000000 0x10000000>;
reg-names = "ev_gsa", "ev_ctrl", "ev_shared_mem", "ev_code_mem";
interrupts = <23>;
};
};
};

2
arch/arc/configs/vdk_hs38_smp_defconfig
View File

@ -82,6 +82,8 @@ CONFIG_MMC=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_PLTFM=y
CONFIG_MMC_DW=y
CONFIG_UIO=y
CONFIG_UIO_PDRV_GENIRQ=y
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_EXT3_FS=y
CONFIG_MSDOS_FS=y