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* x86: qemu: Drop our own ACPI implementationBin Meng2016-04-22-3/+0
| | | | | | | | | | | | Our own ACPI implementation (when CONFIG_QEMU_ACPI_TABLE is not set) does not build anymore after x86 has been fully converted to DM PCI. Instead of trying to fix the build errors, given we now have the ACPI support via QEMU's fw_cfg interface, which is a more reliable way to generate correct ACPI tables than by ourselves, hence drop our own ACPI implementation. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* x86: qemu: add the ability to load and link ACPI tables from QEMUMiao Yan2016-01-28-0/+2
| | | | | | | | | | | This patch adds the ability to load and link ACPI tables provided by QEMU. QEMU tells guests how to load and patch ACPI tables through its fw_cfg interface, by adding a firmware file 'etc/table-loader'. Guests are supposed to parse this file and execute corresponding QEMU commands. Signed-off-by: Miao Yan <yanmiaobest@gmail.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com>
* x86: qemu: add a cpu uclass driver for qemu targetMiao Yan2016-01-13-1/+1
| | | | | | | | | | | | | | | Add a cpu uclass driver for qemu. Previously, the qemu target gets cpu number from board dts files, which are manually created at compile time. This does not scale when more cpus are assigned to guest as the dts files must be modified as well. This patch adds a cpu uclass driver for qemu targets to directly read online cpu number from firmware. Signed-off-by: Miao Yan <yanmiaobest@gmail.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> Tested-by: Bin Meng <bmeng.cn@gmail.com>
* x86: qemu: add fw_cfg supportMiao Yan2016-01-13-1/+1
| | | | | | | | | | | | | The QEMU fw_cfg interface allows the guest to retrieve various data information from QEMU. For example, APCI/SMBios tables, number of online cpus, kernel data and command line, etc. This patch adds support for QEMU fw_cfg interface. Signed-off-by: Miao Yan <yanmiaobest@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com>
* x86: qemu: Convert to use driver model pciBin Meng2015-11-13-1/+0
| | | | | | | Move to driver model for pci on QEMU. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Simon Glass <sjg@chromium.org>
* x86: Add DSDT table for supporting ACPI on QEMUSaket Sinha2015-08-26-1/+1
| | | | | | | | The DSDT table contains a bytecode that is executed by a driver in the kernel. Signed-off-by: Saket Sinha <saket.sinha89@gmail.com> Tested with QEMU '-M q35' Tested-by: Bin Meng <bmeng.cn@gmail.com>
* x86: Add ACPI table support to QEMUSaket Sinha2015-08-26-0/+1
| | | | | | | | | This patch mainly adds ACPI support to QEMU. Verified by booting Linux kernel on QEMU Q35. Signed-off-by: Saket Sinha <saket.sinha89@gmail.com> Minor whitespace fixes and dropped mention of i440FX in commit message: Signed-off-by: Simon Glass <sjg@chromium.org>
* x86: qemu: Support operation as an EFI payloadSimon Glass2015-08-05-1/+4
| | | | | | | | | Disable a few things which interfere with the EFI init. This allows QEMU to to boot into EFI, load a U-Boot payload then boot to the U-Boot prompt. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com>
* x86: Support QEMU x86 targetsBin Meng2015-06-04-0/+8
This commit introduces the initial U-Boot support for QEMU x86 targets. U-Boot can boot from coreboot as a payload, or directly without coreboot. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Simon Glass <sjg@chromium.org> Tested-by: Simon Glass <sjg@chromium.org> Merged in patch 'x86: qemu: Add CMD_NET to qemu-x86_defconfig https://patchwork.ozlabs.org/patch/479745/
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