Message ID | 1451385354-55472-7-git-send-email-yanmiaobest@gmail.com |
---|---|
State | Superseded |
Delegated to: | Bin Meng |
Headers | show |
On Tue, Dec 29, 2015 at 6:35 PM, Miao Yan <yanmiaobest@gmail.com> wrote: > Remove 'cpus' node in dts files for QEMU targets, > retrieve cpu number through 'fw_cfg' interface and > fix up device tree blob at runtime. > > Signed-off-by: Miao Yan <yanmiaobest@gmail.com> > --- > Changes in v2: > - rebase to u-boot-x86/next > > arch/x86/cpu/qemu/qemu.c | 4 ++++ > arch/x86/dts/qemu-x86_i440fx.dts | 19 +------------------ > arch/x86/dts/qemu-x86_q35.dts | 19 +------------------ > 3 files changed, 6 insertions(+), 36 deletions(-) > Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/cpu/qemu/qemu.c b/arch/x86/cpu/qemu/qemu.c index d9ae066..3be3af0 100644 --- a/arch/x86/cpu/qemu/qemu.c +++ b/arch/x86/cpu/qemu/qemu.c @@ -15,6 +15,8 @@ static bool i440fx; +DECLARE_GLOBAL_DATA_PTR; + static void qemu_chipset_init(void) { u16 device, xbcs; @@ -93,6 +95,8 @@ int arch_early_init_r(void) { qemu_chipset_init(); + qemu_fwcfg_fdt_fixup((void *)gd->fdt_blob, qemu_fwcfg_online_cpus()); + return 0; } diff --git a/arch/x86/dts/qemu-x86_i440fx.dts b/arch/x86/dts/qemu-x86_i440fx.dts index 4332204..79bafbd 100644 --- a/arch/x86/dts/qemu-x86_i440fx.dts +++ b/arch/x86/dts/qemu-x86_i440fx.dts @@ -26,24 +26,7 @@ stdout-path = "/serial"; }; - cpus { - #address-cells = <1>; - #size-cells = <0>; - - cpu@0 { - device_type = "cpu"; - compatible = "cpu-qemu"; - reg = <0>; - intel,apic-id = <0>; - }; - - cpu@1 { - device_type = "cpu"; - compatible = "cpu-qemu"; - reg = <1>; - intel,apic-id = <1>; - }; - }; + /* cpu node will be dynamically filled by U-Boot */ tsc-timer { clock-frequency = <1000000000>; diff --git a/arch/x86/dts/qemu-x86_q35.dts b/arch/x86/dts/qemu-x86_q35.dts index 3e2cfac..9563344 100644 --- a/arch/x86/dts/qemu-x86_q35.dts +++ b/arch/x86/dts/qemu-x86_q35.dts @@ -37,24 +37,7 @@ stdout-path = "/serial"; }; - cpus { - #address-cells = <1>; - #size-cells = <0>; - - cpu@0 { - device_type = "cpu"; - compatible = "cpu-qemu"; - reg = <0>; - intel,apic-id = <0>; - }; - - cpu@1 { - device_type = "cpu"; - compatible = "cpu-qemu"; - reg = <1>; - intel,apic-id = <1>; - }; - }; + /* cpu node will be dynamically filled by U-Boot */ tsc-timer { clock-frequency = <1000000000>;
Remove 'cpus' node in dts files for QEMU targets, retrieve cpu number through 'fw_cfg' interface and fix up device tree blob at runtime. Signed-off-by: Miao Yan <yanmiaobest@gmail.com> --- Changes in v2: - rebase to u-boot-x86/next arch/x86/cpu/qemu/qemu.c | 4 ++++ arch/x86/dts/qemu-x86_i440fx.dts | 19 +------------------ arch/x86/dts/qemu-x86_q35.dts | 19 +------------------ 3 files changed, 6 insertions(+), 36 deletions(-)