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[Qemu-commits] [qemu/qemu] d77b71: hw/arm/exynos: Add generic SDHCI devi

From: GitHub
Subject: [Qemu-commits] [qemu/qemu] d77b71: hw/arm/exynos: Add generic SDHCI devices
Date: Tue, 25 Apr 2017 04:27:35 -0700

  Branch: refs/heads/master
  Home:   https://github.com/qemu/qemu
  Commit: d77b71c2a4eb89bbf5ad6c5c023056a17fd8c514
  Author: Krzysztof Kozlowski <address@hidden>
  Date:   2017-04-25 (Tue, 25 Apr 2017)

  Changed paths:
    M hw/arm/exynos4210.c

  Log Message:
  hw/arm/exynos: Add generic SDHCI devices

Exynos4210 has four SD/MMC controllers supporting:
 - SD Standard Host Specification Version 2.0,
 - MMC Specification Version 4.3,
 - SDIO Card Specification Version 2.0,
 - DMA and ADMA.

Add emulation of SDHCI devices which allows accessing storage through SD
cards. Differences from real hardware:
 - Devices are shipped with eMMC memory, not SD card.
 - The Exynos4210 SDHCI has few more registers, e.g. for
   controlling the clocks, additional status (0x80, 0x84, 0x8c). These
   are not implemented.

Testing on smdkc210 machine with "-drive file=FILE,if=sd,bus=0,index=2".

Signed-off-by: Krzysztof Kozlowski <address@hidden>
Message-id: address@hidden
Reviewed-by: Peter Maydell <address@hidden>
Signed-off-by: Peter Maydell <address@hidden>

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