On Fri, 2017-07-21 at 22:31 +0300, Andy Shevchenko wrote: > Patch 1 is a build improvement to have better understanding why DSDT > is not compiled. > > Patches 2 and 3 add date of U-Boot build as OEM revision to > the generated tables. > > Patch 4 marks fields in FADT in accordance with latest ACPI spec. > > Patches 5 and 6 provides a generic "fill" functions that can be > replaced > in specific board / architecture code. > > Patch 7 allows to define HW reduced platforms by avoiding ACPI > hardware > communication as required by spec. > > The series has been tested on Intel Edison board.
# dmesg | grep -i acpi [ 0.000000] Command line: console=tty1 console=ttyS2,115200n8 rootfstype=ramfs rw ignore_loglevel apic=debug acpi.debug_layer=0xffff056d acpi.debug_level=0x0000200f [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000E4500 000024 (v02 U-BOOT) [ 0.000000] ACPI: XSDT 0x00000000000E45E0 00003C (v01 U-BOOT U-BOOTBL 20170721 INTL 00000000) [ 0.000000] ACPI: FACP 0x00000000000E4BA0 0000F4 (v06 U-BOOT U-BOOTBL 20170721 INTL 00000000) [ 0.000000] ACPI: DSDT 0x00000000000E4780 000317 (v02 U-BOOT U-BOOTBL 00010000 INTL 20170303) [ 0.000000] ACPI: APIC 0x00000000000E4CA0 000048 (v04 U-BOOT U-BOOTBL 20170721 INTL 00000000) [ 0.000000] ACPI: MCFG 0x00000000000E4CF0 00003C (v01 U-BOOT U-BOOTBL 20170721 INTL 00000000) [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] ACPI: no legacy devices present [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled) [ 0.000000] ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0]) [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] Kernel command line: console=tty1 console=ttyS2,115200n8 rootfstype=ramfs rw ignore_loglevel apic=debug acpi.debug_layer=0xffff056d acpi.debug_level=0x0000200f [ 0.000492] ACPI: Core revision 20170531 [ 0.001000] ACPI: 1 ACPI AML tables successfully acquired and loaded [ 0.077715] ACPI FADT declares the system doesn't support PCIe ASPM, so disable it [ 0.078017] ACPI: bus type PCI registered [ 0.128219] ACPI: Added _OSI(Module Device) [ 0.128361] ACPI: Added _OSI(Processor Device) [ 0.128496] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.128635] ACPI: Added _OSI(Processor Aggregator Device) [ 0.130366] ACPI: Interpreter enabled [ 0.130541] ACPI: (supports S0) [ 0.130647] ACPI: Using IOAPIC for interrupt routing [ 0.130897] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.155018] bus-0135 bus_get_status : Device [ACPI] status [0000000f] [ 0.158317] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.158776] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI] [ 0.159628] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 0.159869] acpi PNP0A08:00: FADT indicates ASPM is unsupported, using BIOS configuration [ 0.161535] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-00] only partially covers this bridge [ 0.221280] ACPI: bus type USB registered [ 0.304179] pnp: PnP ACPI init [ 0.304830] pnp: PnP ACPI: found 0 devices > > Andy Shevchenko (7): > Makefile: Don't shadow actual error when compile ASL > Makefile: Export build date as integer > x86: acpi: Fill OEM revision > x86: acpi: Name fields in FADT in accordance with specification > x86: acpi: Deduplicate acpi_fill_madt() implementation > x86: acpi: Export acpi_fill_mcfg() with __weak attribute > x86: acpi: Don't touch hardware on HW reduced platforms > > Makefile | 2 ++ > arch/x86/cpu/baytrail/acpi.c | 29 --------------------------- > arch/x86/cpu/quark/acpi.c | 29 --------------------------- > arch/x86/include/asm/acpi_table.h | 8 +++++--- > arch/x86/lib/acpi_table.c | 41 > ++++++++++++++++++++++++++++++++++++--- > scripts/Makefile.lib | 2 +- > 6 files changed, 46 insertions(+), 65 deletions(-) > -- Andy Shevchenko <andriy.shevche...@linux.intel.com> Intel Finland Oy _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot