Add details of eMMC specific machine property and example for passing eMMC device.
Signed-off-by: Sai Pavan Boddu <sai.pavan.bo...@xilinx.com> --- docs/system/arm/xlnx-versal-virt.rst | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/docs/system/arm/xlnx-versal-virt.rst b/docs/system/arm/xlnx-versal-virt.rst index 2602d0f..d1099fa 100644 --- a/docs/system/arm/xlnx-versal-virt.rst +++ b/docs/system/arm/xlnx-versal-virt.rst @@ -29,6 +29,7 @@ Implemented devices: - 2 GEMs (Cadence MACB Ethernet MACs) - 8 ADMA (Xilinx zDMA) channels - 2 SD Controllers + * SDHCI0 can be configured as eMMC - OCM (256KB of On Chip Memory) - DDR memory @@ -43,6 +44,19 @@ Other differences between the hardware and the QEMU model: - QEMU provides 8 virtio-mmio virtio transports; these start at address ``0xa0000000`` and have IRQs from 111 and upwards. +Enabling eMMC +""""""""""""" +In order to enable eMMC pass the following machine property "emmc=on". +ex: + "-M xlnx-versal-virt,emmc=on" + +Above switch would configure SDHCI0 to accept eMMC. More details on eMMC +emulation can be found in docs/devel/emmc.txt. + +Below is the command to pass eMMC device. + "-drive file=emmc.img,if=none,id=emmc,format=raw + -device emmc,drive=emmc,id=emmc0,bus=/sdhci0/sd-bus" + Running """"""" If the user provides an Operating System to be loaded, we expect users -- 2.7.4
