From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Shevchenko Date: Fri, 21 Jul 2017 22:34:20 +0300 Subject: [U-Boot] [PATCH v1 0/7] x86: acpi: Few enhancements and improvements In-Reply-To: <20170721193206.586-1-andriy.shevchenko@linux.intel.com> References: <20170721193206.586-1-andriy.shevchenko@linux.intel.com> Message-ID: <1500665660.29303.189.camel@linux.intel.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit To: u-boot@lists.denx.de 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 Intel Finland Oy