diff options
52 files changed, 1216 insertions, 16 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 43761a00e3f..81061c3ddcc 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4646,6 +4646,18 @@ L: linux-pci@vger.kernel.org S: Supported F: drivers/pci/hotplug/shpchp* +SIMPLE FIRMWARE INTERFACE (SFI) +P: Len Brown +M: lenb@kernel.org +L: sfi-devel@simplefirmware.org +W: http://simplefirmware.org/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-sfi-2.6.git +S: Supported +F: arch/x86/kernel/*sfi* +F: drivers/sfi/ +F: include/linux/sfi*.h + + SIMTEC EB110ATX (Chalice CATS) P: Ben Dooks M: Vincent Sanders <support@simtec.co.uk> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 51c59015b28..1c9a1811c9c 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1662,6 +1662,8 @@ source "kernel/power/Kconfig" source "drivers/acpi/Kconfig" +source "drivers/sfi/Kconfig" + config X86_APM_BOOT bool default y @@ -1857,7 +1859,7 @@ config PCI_DIRECT config PCI_MMCONFIG def_bool y - depends on X86_32 && PCI && ACPI && (PCI_GOMMCONFIG || PCI_GOANY) + depends on X86_32 && PCI && (ACPI || SFI) && (PCI_GOMMCONFIG || PCI_GOANY) config PCI_OLPC def_bool y diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h index 20d1465a2ab..4518dc50090 100644 --- a/arch/x86/include/asm/acpi.h +++ b/arch/x86/include/asm/acpi.h @@ -144,7 +144,6 @@ static inline unsigned int acpi_processor_cstate_check(unsigned int max_cstate) #else /* !CONFIG_ACPI */ -#define acpi_disabled 1 #define acpi_lapic 0 #define acpi_ioapic 0 static inline void acpi_noirq_set(void) { } diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 4ba419b668a..d8e5d0cdd67 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -56,6 +56,7 @@ obj-$(CONFIG_INTEL_TXT) += tboot.o obj-$(CONFIG_STACKTRACE) += stacktrace.o obj-y += cpu/ obj-y += acpi/ +obj-$(CONFIG_SFI) += sfi.o obj-y += reboot.o obj-$(CONFIG_MCA) += mca_32.o obj-$(CONFIG_X86_MSR) += msr.o diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index a55f6609fe1..6c7886890fa 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -27,6 +27,7 @@ #include <linux/screen_info.h> #include <linux/ioport.h> #include <linux/acpi.h> +#include <linux/sfi.h> #include <linux/apm_bios.h> #include <linux/initrd.h> #include <linux/bootmem.h> @@ -985,6 +986,8 @@ void __init setup_arch(char **cmdline_p) */ acpi_boot_init(); + sfi_init(); + /* * get boot-time SMP configuration: */ diff --git a/arch/x86/kernel/sfi.c b/arch/x86/kernel/sfi.c new file mode 100644 index 00000000000..34e09938265 --- /dev/null +++ b/arch/x86/kernel/sfi.c @@ -0,0 +1,122 @@ +/* + * sfi.c - x86 architecture SFI support. + * + * Copyright (c) 2009, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + +#define KMSG_COMPONENT "SFI" +#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt + +#include <linux/acpi.h> +#include <linux/init.h> +#include <linux/sfi.h> +#include <linux/io.h> + +#include <asm/io_apic.h> +#include <asm/mpspec.h> +#include <asm/setup.h> +#include <asm/apic.h> + +#ifdef CONFIG_X86_LOCAL_APIC +static unsigned long sfi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE; + +void __init mp_sfi_register_lapic_address(unsigned long address) +{ + mp_lapic_addr = address; + + set_fixmap_nocache(FIX_APIC_BASE, mp_lapic_addr); + if (boot_cpu_physical_apicid == -1U) + boot_cpu_physical_apicid = read_apic_id(); + + pr_info("Boot CPU = %d\n", boot_cpu_physical_apicid); +} + +/* All CPUs enumerated by SFI must be present and enabled */ +void __cpuinit mp_sfi_register_lapic(u8 id) +{ + if (MAX_APICS - id <= 0) { + pr_warning("Processor #%d invalid (max %d)\n", + id, MAX_APICS); + return; + } + + pr_info("registering lapic[%d]\n", id); + + generic_processor_info(id, GET_APIC_VERSION(apic_read(APIC_LVR))); +} + +static int __init sfi_parse_cpus(struct sfi_table_header *table) +{ + struct sfi_table_simple *sb; + struct sfi_cpu_table_entry *pentry; + int i; + int cpu_num; + + sb = (struct sfi_table_simple *)table; + cpu_num = SFI_GET_NUM_ENTRIES(sb, struct sfi_cpu_table_entry); + pentry = (struct sfi_cpu_table_entry *)sb->pentry; + + for (i = 0; i < cpu_num; i++) { + mp_sfi_register_lapic(pentry->apic_id); + pentry++; + } + + smp_found_config = 1; + return 0; +} +#endif /* CONFIG_X86_LOCAL_APIC */ + +#ifdef CONFIG_X86_IO_APIC +static u32 gsi_base; + +static int __init sfi_parse_ioapic(struct sfi_table_header *table) +{ + struct sfi_table_simple *sb; + struct sfi_apic_table_entry *pentry; + int i, num; + + sb = (struct sfi_table_simple *)table; + num = SFI_GET_NUM_ENTRIES(sb, struct sfi_apic_table_entry); + pentry = (struct sfi_apic_table_entry *)sb->pentry; + + for (i = 0; i < num; i++) { + mp_register_ioapic(i, pentry->phys_addr, gsi_base); + gsi_base += io_apic_get_redir_entries(i); + pentry++; + } + + WARN(pic_mode, KERN_WARNING + "SFI: pic_mod shouldn't be 1 when IOAPIC table is present\n"); + pic_mode = 0; + return 0; +} +#endif /* CONFIG_X86_IO_APIC */ + +/* + * sfi_platform_init(): register lapics & io-apics + */ +int __init sfi_platform_init(void) +{ +#ifdef CONFIG_X86_LOCAL_APIC + mp_sfi_register_lapic_address(sfi_lapic_addr); + sfi_table_parse(SFI_SIG_CPUS, NULL, NULL, sfi_parse_cpus); +#endif +#ifdef CONFIG_X86_IO_APIC + sfi_table_parse(SFI_SIG_APIC, NULL, NULL, sfi_parse_ioapic); +#endif + return 0; +} diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c index 712443ec6d4..602c172d3bd 100644 --- a/arch/x86/pci/mmconfig-shared.c +++ b/arch/x86/pci/mmconfig-shared.c @@ -13,10 +13,14 @@ #include <linux/pci.h> #include <linux/init.h> #include <linux/acpi.h> +#include <linux/sfi_acpi.h> #include <linux/bitmap.h> #include <linux/sort.h> #include <asm/e820.h> #include <asm/pci_x86.h> +#include <asm/acpi.h> + +#define PREFIX "PCI: " /* aperture is up to 256MB but BIOS may reserve less */ #define MMCONFIG_APER_MIN (2 * 1024*1024) @@ -491,7 +495,7 @@ static void __init pci_mmcfg_reject_broken(int early) (unsigned int)cfg->start_bus_number, (unsigned int)cfg->end_bus_number); - if (!early) + if (!early && !acpi_disabled) valid = is_mmconf_reserved(is_acpi_reserved, addr, size, i, cfg, 0); if (valid) @@ -606,7 +610,7 @@ static void __init __pci_mmcfg_init(int early) } if (!known_bridge) - acpi_table_parse(ACPI_SIG_MCFG, pci_parse_mcfg); + acpi_sfi_table_parse(ACPI_SIG_MCFG, pci_parse_mcfg); pci_mmcfg_reject_broken(early); diff --git a/arch/x86/pci/mmconfig_32.c b/arch/x86/pci/mmconfig_32.c index 8b2d561046a..f10a7e94a84 100644 --- a/arch/x86/pci/mmconfig_32.c +++ b/arch/x86/pci/mmconfig_32.c @@ -11,9 +11,9 @@ #include <linux/pci.h> #include <linux/init.h> -#include <linux/acpi.h> #include <asm/e820.h> #include <asm/pci_x86.h> +#include <acpi/acpi.h> /* Assume systems with more busses have correct MCFG */ #define mmcfg_virt_addr ((void __iomem *) fix_to_virt(FIX_PCIE_MCFG)) diff --git a/drivers/Makefile b/drivers/Makefile index bc4205d2fc3..ccfa259fa84 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -11,6 +11,7 @@ obj-$(CONFIG_PARISC) += parisc/ obj-$(CONFIG_RAPIDIO) += rapidio/ obj-y += video/ obj-$(CONFIG_ACPI) += acpi/ +obj-$(CONFIG_SFI) += sfi/ # PnP must come after ACPI since it will eventually need to check if acpi # was used and do nothing if so obj-$(CONFIG_PNP) += pnp/ diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index 0df8fcb687d..98b9690b015 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -37,6 +37,8 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> +#define PREFIX "ACPI: " + #define ACPI_AC_CLASS "ac_adapter" #define ACPI_AC_DEVICE_NAME "AC Adapter" #define ACPI_AC_FILE_STATE "state" diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 58b4517ce71..f8c3d1bb696 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -45,6 +45,8 @@ #include <linux/power_supply.h> #endif +#define PREFIX "ACPI: " + #define ACPI_BATTERY_VALUE_UNKNOWN 0xFFFFFFFF #define ACPI_BATTERY_CLASS "battery" diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c index 0c4ca4d318b..e56b2a7b53d 100644 --- a/drivers/acpi/blacklist.c +++ b/drivers/acpi/blacklist.c @@ -34,6 +34,8 @@ #include <acpi/acpi_bus.h> #include <linux/dmi.h> +#include "internal.h" + enum acpi_blacklist_predicates { all_versions, less_than_or_equal, diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 9195deba9d9..d295bdccc09 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -33,6 +33,8 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> +#define PREFIX "ACPI: " + #define ACPI_BUTTON_CLASS "button" #define ACPI_BUTTON_FILE_INFO "info" #define ACPI_BUTTON_FILE_STATE "state" diff --git a/drivers/acpi/cm_sbs.c b/drivers/acpi/cm_sbs.c index 332fe4b2170..6c9ee68e46f 100644 --- a/drivers/acpi/cm_sbs.c +++ b/drivers/acpi/cm_sbs.c @@ -28,6 +28,8 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> +#define PREFIX "ACPI: " + ACPI_MODULE_NAME("cm_sbs"); #define ACPI_AC_CLASS "ac_adapter" #define ACPI_BATTERY_CLASS "battery" diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c index fe0cdf83641..5f2c3c00a31 100644 --- a/drivers/acpi/container.c +++ b/drivers/acpi/container.c @@ -35,6 +35,8 @@ #include <acpi/acpi_drivers.h> #include <acpi/container.h> +#define PREFIX "ACPI: " + #define ACPI_CONTAINER_DEVICE_NAME "ACPI container device" #define ACPI_CONTAINER_CLASS "container" diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index efb959d6c8a..9a855669ff1 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -33,6 +33,8 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> +#define PREFIX "ACPI: " + #define ACPI_DOCK_DRIVER_DESCRIPTION "ACPI Dock Station Driver" ACPI_MODULE_NAME("dock"); diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 391f331674c..5180f0f1dd0 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -47,7 +47,6 @@ #define ACPI_EC_DEVICE_NAME "Embedded Controller" #define ACPI_EC_FILE_INFO "info" -#undef PREFIX #define PREFIX "ACPI: EC: " /* EC status register */ diff --git a/drivers/acpi/event.c b/drivers/acpi/event.c index aeb7e5fb4a0..c511071bfd7 100644 --- a/drivers/acpi/event.c +++ b/drivers/acpi/event.c @@ -14,6 +14,8 @@ #include <net/netlink.h> #include <net/genetlink.h> +#include "internal.h" + #define _COMPONENT ACPI_SYSTEM_COMPONENT ACPI_MODULE_NAME("event"); diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index 53698ea0837..f419849a0d3 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -34,6 +34,8 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> +#define PREFIX "ACPI: " + #define ACPI_FAN_CLASS "fan" #define ACPI_FAN_FILE_STATE "state" diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index a8a5c29958c..dc36a448de4 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -12,6 +12,8 @@ #include <linux/rwsem.h> #include <linux/acpi.h> +#include "internal.h" + #define ACPI_GLUE_DEBUG 0 #if ACPI_GLUE_DEBUG #define DBG(x...) printk(PREFIX x) diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 11a69b53004..074cf8682d5 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -1,4 +1,24 @@ -/* For use by Linux/ACPI infrastructure, not drivers */ +/* + * acpi/internal.h + * For use by Linux/ACPI infrastructure, not drivers + * + * Copyright (c) 2009, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#define PREFIX "ACPI: " int init_acpi_device_notify(void); int acpi_scan_init(void); diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index d440ccd27d9..202dd0c976a 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -30,6 +30,8 @@ #include <linux/acpi.h> #include <acpi/acpi_bus.h> +#define PREFIX "ACPI: " + #define ACPI_NUMA 0x80000000 #define _COMPONENT ACPI_NUMA ACPI_MODULE_NAME("numa"); diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index b794eb88ab9..843699ed93f 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -40,6 +40,8 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> +#define PREFIX "ACPI: " + #define _COMPONENT ACPI_PCI_COMPONENT ACPI_MODULE_NAME("pci_irq"); diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index 16e0f9d3d17..394ae89409c 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -43,6 +43,8 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> +#define PREFIX "ACPI: " + #define _COMPONENT ACPI_PCI_COMPONENT ACPI_MODULE_NAME("pci_link"); #define ACPI_PCI_LINK_CLASS "pci_irq_routing" diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 31b961c2f22..31122214e0e 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -36,6 +36,8 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> +#define PREFIX "ACPI: " + #define _COMPONENT ACPI_PCI_COMPONENT ACPI_MODULE_NAME("pci_root"); #define ACPI_PCI_ROOT_CLASS "pci_bridge" diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index 5a09bf392ec..22b29791651 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -43,9 +43,10 @@ #include <linux/seq_file.h> #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> - #include "sleep.h" +#define PREFIX "ACPI: " + #define _COMPONENT ACPI_POWER_COMPONENT ACPI_MODULE_NAME("power"); #define ACPI_POWER_CLASS "power_resource" diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 2cc4b303387..b4a1ab297e7 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -59,6 +59,8 @@ #include <acpi/acpi_drivers.h> #include <acpi/processor.h> +#define PREFIX "ACPI: " + #define ACPI_PROCESSOR_CLASS "processor" #define ACPI_PROCESSOR_DEVICE_NAME "Processor" #define ACPI_PROCESSOR_FILE_INFO "info" diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 66393d5c4c7..22aab1fc9b4 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -60,6 +60,8 @@ #include <acpi/processor.h> #include <asm/processor.h> +#define PREFIX "ACPI: " + #define ACPI_PROCESSOR_CLASS "processor" #define _COMPONENT ACPI_PROCESSOR_COMPONENT ACPI_MODULE_NAME("processor_idle"); diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index 60e543d3234..11088cf1031 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -39,6 +39,8 @@ #include <acpi/acpi_drivers.h> #include <acpi/processor.h> +#define PREFIX "ACPI: " + #define ACPI_PROCESSOR_CLASS "processor" #define ACPI_PROCESSOR_FILE_PERFORMANCE "performance" #define _COMPONENT ACPI_PROCESSOR_COMPONENT diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c index 31adda1099e..3e3181c0efc 100644 --- a/drivers/acpi/processor_thermal.c +++ b/drivers/acpi/processor_thermal.c @@ -40,6 +40,8 @@ #include <acpi/processor.h> #include <acpi/acpi_drivers.h> +#define PREFIX "ACPI: " + #define ACPI_PROCESSOR_CLASS "processor" #define _COMPONENT ACPI_PROCESSOR_COMPONENT ACPI_MODULE_NAME("processor_thermal"); diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c index ae39797aab5..b366b9c13d4 100644 --- a/drivers/acpi/processor_throttling.c +++ b/drivers/acpi/processor_throttling.c @@ -41,6 +41,8 @@ #include <acpi/acpi_drivers.h> #include <acpi/processor.h> +#define PREFIX "ACPI: " + #define ACPI_PROCESSOR_CLASS "processor" #define _COMPONENT ACPI_PROCESSOR_COMPONENT ACPI_MODULE_NAME("processor_throttling"); diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index 4b214b74eba..52b9db8afc2 100644 --- a/drivers/acpi/sbs.c +++ b/drivers/acpi/sbs.c @@ -46,6 +46,8 @@ #include "sbshc.h" +#define PREFIX "ACPI: " + #define ACPI_SBS_CLASS "sbs" #define ACPI_AC_CLASS "ac_adapter" #define ACPI_BATTERY_CLASS "battery" diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c index 0619734895b..d9339806df4 100644 --- a/drivers/acpi/sbshc.c +++ b/drivers/acpi/sbshc.c @@ -15,6 +15,8 @@ #include <linux/interrupt.h> #include "sbshc.h" +#define PREFIX "ACPI: " + #define ACPI_SMB_HC_CLASS "smbus_host_controller" #define ACPI_SMB_HC_DEVICE_NAME "ACPI SMBus HC" diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c index 9c61ab2177c..d11282975f3 100644 --- a/drivers/acpi/system.c +++ b/drivers/acpi/system.c @@ -31,6 +31,8 @@ #include <acpi/acpi_drivers.h> +#define PREFIX "ACPI: " + #define _COMPONENT ACPI_SYSTEM_COMPONENT ACPI_MODULE_NAME("system"); diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index 646d39c031c..f336bca7c45 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -213,6 +213,9 @@ acpi_table_parse_entries(char *id, unsigned long table_end; acpi_size tbl_size; + if (acpi_disabled) + return -ENODEV; + if (!handler) return -EINVAL; @@ -277,6 +280,9 @@ int __init acpi_table_parse(char *id, acpi_table_handler handler) struct |