diff options
42 files changed, 1101 insertions, 294 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 7c93c7eb0e5..d66a47fde80 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -87,6 +87,10 @@ config ARCH_HAS_ILOG2_U64 bool default y if 64BIT +config ARCH_HAS_CPU_IDLE_WAIT + bool + default y + config GENERIC_HWEIGHT bool default y diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 59f462b796b..ffe4d88f5a8 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -165,7 +165,7 @@ all: zImage # With make 3.82 we cannot mix normal and wildcard targets BOOT_TARGETS1 := zImage zImage.initrd uImage -BOOT_TARGETS2 := zImage% dtbImage% treeImage.% cuImage.% simpleImage.% +BOOT_TARGETS2 := zImage% dtbImage% treeImage.% cuImage.% simpleImage.% uImage.% PHONY += $(BOOT_TARGETS1) $(BOOT_TARGETS2) diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 72ee8c1fba4..80c133c8856 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -199,6 +199,7 @@ image-$(CONFIG_EP405) += dtbImage.ep405 image-$(CONFIG_HOTFOOT) += cuImage.hotfoot image-$(CONFIG_WALNUT) += treeImage.walnut image-$(CONFIG_ACADIA) += cuImage.acadia +image-$(CONFIG_OBS600) += uImage.obs600 # Board ports in arch/powerpc/platform/44x/Kconfig image-$(CONFIG_EBONY) += treeImage.ebony cuImage.ebony @@ -316,6 +317,12 @@ $(obj)/zImage.iseries: vmlinux $(obj)/uImage: vmlinux $(wrapperbits) $(call if_changed,wrap,uboot) +$(obj)/uImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits) + $(call if_changed,wrap,uboot-$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz) + +$(obj)/uImage.%: vmlinux $(obj)/%.dtb $(wrapperbits) + $(call if_changed,wrap,uboot-$*,,$(obj)/$*.dtb) + $(obj)/cuImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits) $(call if_changed,wrap,cuboot-$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz) diff --git a/arch/powerpc/boot/dts/obs600.dts b/arch/powerpc/boot/dts/obs600.dts new file mode 100644 index 00000000000..18e7d79ee4c --- /dev/null +++ b/arch/powerpc/boot/dts/obs600.dts @@ -0,0 +1,314 @@ +/* + * Device Tree Source for PlatHome OpenBlockS 600 (405EX) + * + * Copyright 2011 Ben Herrenschmidt, IBM Corp. + * + * Based on Kilauea by: + * + * Copyright 2007-2009 DENX Software Engineering, Stefan Roese <sr@denx.de> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without + * any warranty of any kind, whether express or implied. + */ + +/dts-v1/; + +/ { + #address-cells = <1>; + #size-cells = <1>; + model = "PlatHome,OpenBlockS 600"; + compatible = "plathome,obs600"; + dcr-parent = <&{/cpus/cpu@0}>; + + aliases { + ethernet0 = &EMAC0; + ethernet1 = &EMAC1; + serial0 = &UART0; + serial1 = &UART1; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + model = "PowerPC,405EX"; + reg = <0x00000000>; + clock-frequency = <0>; /* Filled in by U-Boot */ + timebase-frequency = <0>; /* Filled in by U-Boot */ + i-cache-line-size = <32>; + d-cache-line-size = <32>; + i-cache-size = <16384>; /* 16 kB */ + d-cache-size = <16384>; /* 16 kB */ + dcr-controller; + dcr-access-method = "native"; + }; + }; + + memory { + device_type = "memory"; + reg = <0x00000000 0x00000000>; /* Filled in by U-Boot */ + }; + + UIC0: interrupt-controller { + compatible = "ibm,uic-405ex", "ibm,uic"; + interrupt-controller; + cell-index = <0>; + dcr-reg = <0x0c0 0x009>; + #address-cells = <0>; + #size-cells = <0>; + #interrupt-cells = <2>; + }; + + UIC1: interrupt-controller1 { + compatible = "ibm,uic-405ex","ibm,uic"; + interrupt-controller; + cell-index = <1>; + dcr-reg = <0x0d0 0x009>; + #address-cells = <0>; + #size-cells = <0>; + #interrupt-cells = <2>; + interrupts = <0x1e 0x4 0x1f 0x4>; /* cascade */ + interrupt-parent = <&UIC0>; + }; + + UIC2: interrupt-controller2 { + compatible = "ibm,uic-405ex","ibm,uic"; + interrupt-controller; + cell-index = <2>; + dcr-reg = <0x0e0 0x009>; + #address-cells = <0>; + #size-cells = <0>; + #interrupt-cells = <2>; + interrupts = <0x1c 0x4 0x1d 0x4>; /* cascade */ + interrupt-parent = <&UIC0>; + }; + + CPM0: cpm { + compatible = "ibm,cpm"; + dcr-access-method = "native"; + dcr-reg = <0x0b0 0x003>; + unused-units = <0x00000000>; + idle-doze = <0x02000000>; + standby = <0xe3e74800>; + }; + + plb { + compatible = "ibm,plb-405ex", "ibm,plb4"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + clock-frequency = <0>; /* Filled in by U-Boot */ + + SDRAM0: memory-controller { + compatible = "ibm,sdram-405ex", "ibm,sdram-4xx-ddr2"; + dcr-reg = <0x010 0x002>; + interrupt-parent = <&UIC2>; + interrupts = <0x5 0x4 /* ECC DED Error */ + 0x6 0x4>; /* ECC SEC Error */ + }; + + CRYPTO: crypto@ef700000 { + compatible = "amcc,ppc405ex-crypto", "amcc,ppc4xx-crypto"; + reg = <0xef700000 0x80400>; + interrupt-parent = <&UIC0>; + interrupts = <0x17 0x2>; + }; + + MAL0: mcmal { + compatible = "ibm,mcmal-405ex", "ibm,mcmal2"; + dcr-reg = <0x180 0x062>; + num-tx-chans = <2>; + num-rx-chans = <2>; + interrupt-parent = <&MAL0>; + interrupts = <0x0 0x1 0x2 0x3 0x4>; + #interrupt-cells = <1>; + #address-cells = <0>; + #size-cells = <0>; + interrupt-map = </*TXEOB*/ 0x0 &UIC0 0xa 0x4 + /*RXEOB*/ 0x1 &UIC0 0xb 0x4 + /*SERR*/ 0x2 &UIC1 0x0 0x4 + /*TXDE*/ 0x3 &UIC1 0x1 0x4 + /*RXDE*/ 0x4 &UIC1 0x2 0x4>; + interrupt-map-mask = <0xffffffff>; + }; + + POB0: opb { + compatible = "ibm,opb-405ex", "ibm,opb"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x80000000 0x80000000 0x10000000 + 0xef600000 0xef600000 0x00a00000 + 0xf0000000 0xf0000000 0x10000000>; + dcr-reg = <0x0a0 0x005>; + clock-frequency = <0>; /* Filled in by U-Boot */ + + EBC0: ebc { + compatible = "ibm,ebc-405ex", "ibm,ebc"; + dcr-reg = <0x012 0x002>; + #address-cells = <2>; + #size-cells = <1>; + clock-frequency = <0>; /* Filled in by U-Boot */ + /* ranges property is supplied by U-Boot */ + interrupts = <0x5 0x1>; + interrupt-parent = <&UIC1>; + + nor_flash@0,0 { + compatible = "amd,s29gl512n", "cfi-flash"; + bank-width = <2>; + reg = <0x00000000 0x00000000 0x08000000>; + #address-cells = <1>; + #size-cells = <1>; + partition@0 { + label = "kernel + initrd"; + reg = <0x00000000 0x03de0000>; + }; + partition@3de0000 { + label = "user config area"; + reg = <0x03de0000 0x00080000>; + }; + partition@3e60000 { + label = "user program area"; + reg = <0x03e60000 0x04000000>; + }; + partition@7e60000 { + label = "flat device tree"; + reg = <0x07e60000 0x00080000>; + }; + partition@7ee0000 { + label = "test program"; + reg = <0x07ee0000 0x00080000>; + }; + partition@7f60000 { + label = "u-boot env"; + reg = <0x07f60000 0x00040000>; + }; + partition@7fa0000 { + label = "u-boot"; + reg = <0x07fa0000 0x00060000>; + }; + }; + }; + + UART0: serial@ef600200 { + device_type = "serial"; + compatible = "ns16550"; + reg = <0xef600200 0x00000008>; + virtual-reg = <0xef600200>; + clock-frequency = <0>; /* Filled in by U-Boot */ + current-speed = <0>; + interrupt-parent = <&UIC0>; + interrupts = <0x1a 0x4>; + }; + + UART1: serial@ef600300 { + device_type = "serial"; + compatible = "ns16550"; + reg = <0xef600300 0x00000008>; + virtual-reg = <0xef600300>; + clock-frequency = <0>; /* Filled in by U-Boot */ + current-speed = <0>; + interrupt-parent = <&UIC0>; + interrupts = <0x1 0x4>; + }; + + IIC0: i2c@ef600400 { + compatible = "ibm,iic-405ex", "ibm,iic"; + reg = <0xef600400 0x00000014>; + interrupt-parent = <&UIC0>; + interrupts = <0x2 0x4>; + #address-cells = <1>; + #size-cells = <0>; + + rtc@68 { + compatible = "dallas,ds1340"; + reg = <0x68>; + }; + }; + + IIC1: i2c@ef600500 { + compatible = "ibm,iic-405ex", "ibm,iic"; + reg = <0xef600500 0x00000014>; + interrupt-parent = <&UIC0>; + interrupts = <0x7 0x4>; + }; + + RGMII0: emac-rgmii@ef600b00 { + compatible = "ibm,rgmii-405ex", "ibm,rgmii"; + reg = <0xef600b00 0x00000104>; + has-mdio; + }; + + EMAC0: ethernet@ef600900 { + linux,network-index = <0x0>; + device_type = "network"; + compatible = "ibm,emac-405ex", "ibm,emac4sync"; + interrupt-parent = <&EMAC0>; + interrupts = <0x0 0x1>; + #interrupt-cells = <1>; + #address-cells = <0>; + #size-cells = <0>; + interrupt-map = </*Status*/ 0x0 &UIC0 0x18 0x4 + /*Wake*/ 0x1 &UIC1 0x1d 0x4>; + reg = <0xef600900 0x000000c4>; + local-mac-address = [000000000000]; /* Filled in by U-Boot */ + mal-device = <&MAL0>; + mal-tx-channel = <0>; + mal-rx-channel = <0>; + cell-index = <0>; + max-frame-size = <9000>; + rx-fifo-size = <4096>; + tx-fifo-size = <2048>; + rx-fifo-size-gige = <16384>; + tx-fifo-size-gige = <16384>; + phy-mode = "rgmii"; + phy-map = <0x00000000>; + rgmii-device = <&RGMII0>; + rgmii-channel = <0>; + has-inverted-stacr-oc; + has-new-stacr-staopc; + }; + + EMAC1: ethernet@ef600a00 { + linux,network-index = <0x1>; + device_type = "network"; + compatible = "ibm,emac-405ex", "ibm,emac4sync"; + interrupt-parent = <&EMAC1>; + interrupts = <0x0 0x1>; + #interrupt-cells = <1>; + #address-cells = <0>; + #size-cells = <0>; + interrupt-map = </*Status*/ 0x0 &UIC0 0x19 0x4 + /*Wake*/ 0x1 &UIC1 0x1f 0x4>; + reg = <0xef600a00 0x000000c4>; + local-mac-address = [000000000000]; /* Filled in by U-Boot */ + mal-device = <&MAL0>; + mal-tx-channel = <1>; + mal-rx-channel = <1>; + cell-index = <1>; + max-frame-size = <9000>; + rx-fifo-size = <4096>; + tx-fifo-size = <2048>; + rx-fifo-size-gige = <16384>; + tx-fifo-size-gige = <16384>; + phy-mode = "rgmii"; + phy-map = <0x00000000>; + rgmii-device = <&RGMII0>; + rgmii-channel = <1>; + has-inverted-stacr-oc; + has-new-stacr-staopc; + }; + + GPIO: gpio@ef600800 { + device_type = "gpio"; + compatible = "ibm,gpio-405ex", "ibm,ppc4xx-gpio"; + reg = <0xef600800 0x50>; + }; + }; + }; + chosen { + linux,stdout-path = "/plb/opb/serial@ef600200"; + }; +}; diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index c74531af72c..14cd4bca8b8 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -163,7 +163,7 @@ coff) link_address='0x500000' pie= ;; -miboot|uboot) +miboot|uboot*) # miboot and U-boot want just the bare bits, not an ELF binary ext=bin objflags="-O binary" @@ -291,6 +291,26 @@ uboot) fi exit 0 ;; +uboot-obs600) + rm -f "$ofile" + # obs600 wants a multi image with an initrd, so we need to put a fake + # one in even when building a "normal" image. + if [ -n "$initrd" ]; then + real_rd="$initrd" + else + real_rd=`mktemp` + echo "\0" >>"$real_rd" + fi + ${MKIMAGE} -A ppc -O linux -T multi -C gzip -a $membase -e $membase \ + $uboot_version -d "$vmz":"$real_rd":"$dtb" "$ofile" + if [ -z "$initrd" ]; then + rm -f "$real_rd" + fi + if [ -z "$cacheit" ]; then + rm -f "$vmz" + fi + exit 0 + ;; esac addsec() { diff --git a/arch/powerpc/configs/40x/obs600_defconfig b/arch/powerpc/configs/40x/obs600_defconfig new file mode 100644 index 00000000000..91c110dad2d --- /dev/null +++ b/arch/powerpc/configs/40x/obs600_defconfig @@ -0,0 +1,83 @@ +CONFIG_40x=y +CONFIG_EXPERIMENTAL=y +CONFIG_SYSVIPC=y +CONFIG_POSIX_MQUEUE=y +CONFIG_LOG_BUF_SHIFT=14 +CONFIG_BLK_DEV_INITRD=y +CONFIG_EXPERT=y +CONFIG_KALLSYMS_ALL=y +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_WALNUT is not set +CONFIG_OBS600=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_MATH_EMULATION=y +CONFIG_NET=y +CONFIG_PACKET=y +CONFIG_UNIX=y +CONFIG_INET=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set +# CONFIG_INET_XFRM_MODE_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_BEET is not set +# CONFIG_INET_LRO is not set +# CONFIG_IPV6 is not set +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +CONFIG_CONNECTOR=y +CONFIG_MTD=y +CONFIG_MTD_CMDLINE_PARTS=y +CONFIG_MTD_OF_PARTS=y +CONFIG_MTD_CHAR=y +CONFIG_MTD_BLOCK=y +CONFIG_MTD_CFI=y +CONFIG_MTD_JEDECPROBE=y +CONFIG_MTD_CFI_AMDSTD=y +CONFIG_MTD_PHYSMAP_OF=y +CONFIG_MTD_NAND=y +CONFIG_MTD_NAND_NDFC=y +CONFIG_PROC_DEVICETREE=y +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_SIZE=35000 +CONFIG_NETDEVICES=y +CONFIG_IBM_EMAC=y +CONFIG_IBM_EMAC_RXB=256 +CONFIG_IBM_EMAC_TXB=256 +# CONFIG_INPUT is not set +# CONFIG_SERIO is not set +# CONFIG_VT is not set +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_8250_EXTENDED=y +CONFIG_SERIAL_8250_SHARE_IRQ=y +CONFIG_SERIAL_OF_PLATFORM=y +# CONFIG_HW_RANDOM is not set +CONFIG_I2C=y +CONFIG_I2C_CHARDEV=y +CONFIG_I2C_IBM_IIC=y +CONFIG_SENSORS_LM75=y +CONFIG_THERMAL=y +# CONFIG_USB_SUPPORT is not set +CONFIG_RTC_CLASS=y +CONFIG_RTC_DRV_DS1307=y +CONFIG_EXT2_FS=y +CONFIG_PROC_KCORE=y +CONFIG_TMPFS=y +CONFIG_CRAMFS=y +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +CONFIG_ROOT_NFS=y +CONFIG_MAGIC_SYSRQ=y +CONFIG_DEBUG_FS=y +CONFIG_DETECT_HUNG_TASK=y +CONFIG_SYSCTL_SYSCALL_CHECK=y +CONFIG_CRYPTO=y +CONFIG_CRYPTO_CBC=y +CONFIG_CRYPTO_ECB=y +CONFIG_CRYPTO_PCBC=y +CONFIG_CRYPTO_MD5=y +CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_ANSI_CPRNG is not set diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig index 535711fcb13..2156e077859 100644 --- a/arch/powerpc/configs/ppc64_defconfig +++ b/arch/powerpc/configs/ppc64_defconfig @@ -390,6 +390,11 @@ CONFIG_HUGETLBFS=y CONFIG_HFS_FS=m CONFIG_HFSPLUS_FS=m CONFIG_CRAMFS=m +CONFIG_SQUASHFS=m +CONFIG_SQUASHFS_XATTR=y +CONFIG_SQUASHFS_ZLIB=y +CONFIG_SQUASHFS_LZO=y +CONFIG_SQUASHFS_XZ=y CONFIG_NFS_FS=y CONFIG_NFS_V3=y CONFIG_NFS_V3_ACL=y diff --git a/arch/powerpc/configs/ps3_defconfig b/arch/powerpc/configs/ps3_defconfig index 185c292b0f1..ded867871e9 100644 --- a/arch/powerpc/configs/ps3_defconfig +++ b/arch/powerpc/configs/ps3_defconfig @@ -6,10 +6,10 @@ CONFIG_NR_CPUS=2 CONFIG_EXPERIMENTAL=y CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y -CONFIG_NAMESPACES=y +CONFIG_SPARSE_IRQ=y CONFIG_BLK_DEV_INITRD=y -CONFIG_EXPERT=y -CONFIG_KALLSYMS_EXTRA_PASS=y +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_EMBEDDED=y # CONFIG_PERF_EVENTS is not set # CONFIG_COMPAT_BRK is not set CONFIG_SLAB=y @@ -17,6 +17,7 @@ CONFIG_PROFILING=y CONFIG_OPROFILE=m CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y +# CONFIG_PPC_POWERNV is not set # CONFIG_PPC_PSERIES is not set # CONFIG_PPC_PMAC is not set CONFIG_PPC_PS3=y @@ -27,14 +28,14 @@ CONFIG_PS3_VRAM=m CONFIG_PS3_LPM=m # CONFIG_PPC_OF_BOOT_TRAMPOLINE is not set CONFIG_HIGH_RES_TIMERS=y +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set CONFIG_BINFMT_MISC=y CONFIG_KEXEC=y -CONFIG_SPARSE_IRQ=y # CONFIG_SPARSEMEM_VMEMMAP is not set CONFIG_SCHED_SMT=y CONFIG_CMDLINE_BOOL=y CONFIG_CMDLINE="" -CONFIG_PM=y +CONFIG_PM_RUNTIME=y CONFIG_PM_DEBUG=y # CONFIG_SECCOMP is not set # CONFIG_PCI is not set @@ -81,20 +82,23 @@ CONFIG_SCSI_MULTI_LUN=y CONFIG_MD=y CONFIG_BLK_DEV_DM=m CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y +# CONFIG_NET_VENDOR_BROADCOM is not set +# CONFIG_NET_VENDOR_CHELSIO is not set +# CONFIG_NET_VENDOR_INTEL is not set +# CONFIG_NET_VENDOR_MARVELL is not set +# CONFIG_NET_VENDOR_MICREL is not set +# CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_SEEQ is not set +# CONFIG_NET_VENDOR_STMICRO is not set CONFIG_GELIC_NET=y CONFIG_GELIC_WIRELESS=y -# CONFIG_NETDEV_10000 is not set +# CONFIG_NET_VENDOR_XILINX is not set CONFIG_USB_USBNET=m # CONFIG_USB_NET_CDCETHER is not set +# CONFIG_USB_NET_CDC_NCM is not set # CONFIG_USB_NET_NET1080 is not set # CONFIG_USB_NET_CDC_SUBSET is not set # CONFIG_USB_NET_ZAURUS is not set -CONFIG_PPP=m -CONFIG_PPP_MULTILINK=y -CONFIG_PPP_ASYNC=m -CONFIG_PPP_DEFLATE=m -CONFIG_PPPOE=m CONFIG_INPUT_FF_MEMLESS=m # CONFIG_INPUT_MOUSEDEV_PSAUX is not set CONFIG_INPUT_JOYDEV=m @@ -135,22 +139,21 @@ CONFIG_USB=m CONFIG_USB_ANNOUNCE_NEW_DEVICES=y CONFIG_USB_DEVICEFS=y # CONFIG_USB_DEVICE_CLASS is not set +CONFIG_USB_SUSPEND=y CONFIG_USB_MON=m CONFIG_USB_EHCI_HCD=m -CONFIG_USB_EHCI_TT_NEWSCHED=y # CONFIG_USB_EHCI_HCD_PPC_OF is not set CONFIG_USB_OHCI_HCD=m CONFIG_USB_STORAGE=m CONFIG_RTC_CLASS=y -CONFIG_RTC_DRV_PS3=m +CONFIG_RTC_DRV_PS3=y +# CONFIG_IOMMU_SUPPORT is not set CONFIG_EXT2_FS=m CONFIG_EXT3_FS=m # CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set CONFIG_EXT4_FS=y -CONFIG_INOTIFY=y CONFIG_QUOTA=y CONFIG_QFMT_V2=y -CONFIG_AUTOFS_FS=m CONFIG_AUTOFS4_FS=m CONFIG_ISO9660_FS=m CONFIG_JOLIET=y @@ -167,19 +170,17 @@ CONFIG_CIFS=m CONFIG_NLS=y CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ISO8859_1=y +CONFIG_CRC_CCITT=m CONFIG_CRC_T10DIF=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_FS=y -CONFIG_DEBUG_KERNEL=y CONFIG_DETECT_HUNG_TASK=y CONFIG_PROVE_LOCKING=y CONFIG_DEBUG_LOCKDEP=y -CONFIG_DEBUG_SPINLOCK_SLEEP=y CONFIG_DEBUG_INFO=y CONFIG_DEBUG_WRITECOUNT=y CONFIG_DEBUG_MEMORY_INIT=y CONFIG_DEBUG_LIST=y -# CONFIG_RCU_CPU_STALL_DETECTOR is not set CONFIG_SYSCTL_SYSCALL_CHECK=y # CONFIG_FTRACE is not set CONFIG_DEBUG_STACKOVERFLOW=y diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig index a72f2415a64..30e7d0d20e4 100644 --- a/arch/powerpc/configs/pseries_defconfig +++ b/arch/powerpc/configs/pseries_defconfig @@ -304,6 +304,11 @@ CONFIG_PROC_KCORE=y CONFIG_TMPFS=y CONFIG_HUGETLBFS=y CONFIG_CRAMFS=m +CONFIG_SQUASHFS=m +CONFIG_SQUASHFS_XATTR=y +CONFIG_SQUASHFS_ZLIB=y +CONFIG_SQUASHFS_LZO=y +CONFIG_SQUASHFS_XZ=y CONFIG_NFS_FS=y CONFIG_NFS_V3=y CONFIG_NFS_V3_ACL=y diff --git a/arch/powerpc/include/asm/lv1call.h b/arch/powerpc/include/asm/lv1call.h index f77c708c67a..233f9ecae76 100644 --- a/arch/powerpc/include/asm/lv1call.h +++ b/arch/powerpc/include/asm/lv1call.h @@ -231,7 +231,7 @@ LV1_CALL(allocate_memory, 4, 2, 0 ) LV1_CALL(write_htab_entry, 4, 0, 1 ) LV1_CALL(construct_virtual_address_space, 3, 2, 2 ) LV1_CALL(invalidate_htab_entries, 5, 0, 3 ) -LV1_CALL(get_virtual_address_space_id_of_ppe, 1, 1, 4 ) +LV1_CALL(get_virtual_address_space_id_of_ppe, 0, 1, 4 ) LV1_CALL(query_logical_partition_address_region_info, 1, 5, 6 ) LV1_CALL(select_virtual_address_space, 1, 0, 7 ) LV1_CALL(pause, 1, 0, 9 ) @@ -264,7 +264,7 @@ LV1_CALL(configure_execution_time_variable, 1, 0, 77 ) LV1_CALL(get_spe_irq_outlet, 2, 1, 78 ) LV1_CALL(set_spe_privilege_state_area_1_register, 3, 0, 79 ) LV1_CALL(create_repository_node, 6, 0, 90 ) -LV1_CALL(get_repository_node_value, 5, 2, 91 ) +LV1_CALL(read_repository_node, 5, 2, 91 ) LV1_CALL(modify_repository_node_value, 6, 0, 92 ) LV1_CALL(remove_repository_node, 4, 0, 93 ) LV1_CALL(read_htab_entries, 2, 5, 95 ) @@ -276,7 +276,7 @@ LV1_CALL(construct_io_irq_outlet, 1, 1, 120 ) LV1_CALL(destruct_io_irq_outlet, 1, 0, 121 ) LV1_CALL(map_htab, 1, 1, 122 ) LV1_CALL(unmap_htab, 1, 0, 123 ) -LV1_CALL(get_version_info, 0, 1, 127 ) +LV1_CALL(get_version_info, 0, 2, 127 ) LV1_CALL(insert_htab_entry, 6, 3, 158 ) LV1_CALL(read_virtual_uart, 3, 1, 162 ) LV1_CALL(write_virtual_uart, 3, 1, 163 ) @@ -294,9 +294,9 @@ LV1_CALL(unmap_device_dma_region, 4, 0, 177 ) LV1_CALL(net_add_multicast_address, 4, 0, 185 ) LV1_CALL(net_remove_multicast_address, 4, 0, 186 ) LV1_CALL(net_start_tx_dma, 4, 0, 187 ) -LV1_CALL(net_stop_tx_dma, 3, 0, 188 ) +LV1_CALL(net_stop_tx_dma, 2, 0, 188 ) LV1_CALL(net_start_rx_dma, 4, 0, 189 ) -LV1_CALL(net_stop_rx_dma, 3, 0, 190 ) +LV1_CALL(net_stop_rx_dma, 2, 0, 190 ) LV1_CALL(net_set_interrupt_status_indicator, 4, 0, 191 ) LV1_CALL(net_set_interrupt_mask, 4, 0, 193 ) LV1_CALL(net_control, 6, 2, 194 ) diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index 17722c73ba2..269c05a36d9 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -135,6 +135,7 @@ struct paca_struct { u8 hard_enabled; /* set if irqs are enabled in MSR */ u8 io_sync; /* writel() needs spin_unlock sync */ u8 irq_work_pending; /* IRQ_WORK interrupt while soft-disable */ + u8 nap_state_lost; /* NV GPR values lost in power7_idle */ #ifdef CONFIG_PPC_POWERNV /* Pointer to OPAL machine check event structure set by the diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index eb11a446720..b585bff1a02 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -382,6 +382,9 @@ static inline unsigned long get_clean_sp(struct pt_regs *regs, int is_32) } #endif +extern unsigned long cpuidle_disable; +enum idle_boot_override {IDLE_NO_OVERRIDE = 0, IDLE_POWERSAVE_OFF}; + #endif /* __KERNEL__ */ #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_PROCESSOR_H */ diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h index 1646b76bd3d..01c143bb77a 100644 --- a/arch/powerpc/include/asm/rtas.h +++ b/arch/powerpc/include/asm/rtas.h @@ -313,5 +313,17 @@ static inline u32 rtas_config_addr(int busno, int devfn, int reg) extern void __cpuinit rtas_give_timebase(void); extern void __cpuinit rtas_take_timebase(void); +#ifdef CONFIG_PPC_RTAS +static inline int page_is_rtas_user_buf(unsigned long pfn) +{ + unsigned long paddr = (pfn << PAGE_SHIFT); + if (paddr >= rtas_rmo_buf && paddr < (rtas_rmo_buf + RTAS_RMOBUF_MAX)) + return 1; + return 0; +} +#else +static inline int page_is_rtas_user_buf(unsigned long pfn) { return 0;} +#endif + #endif /* __KERNEL__ */ #endif /* _POWERPC_RTAS_H */ diff --git a/arch/powerpc/include/asm/system.h b/arch/powerpc/include/asm/system.h index d51c2c20dd2..c377457d1b8 100644 --- a/arch/powerpc/include/asm/system.h +++ b/arch/powerpc/include/asm/system.h @@ -221,6 +221,15 @@ extern unsigned long klimit; extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask); extern int powersave_nap; /* set if nap mode can be used in idle loop */ +void cpu_idle_wait(void); + +#ifdef CONFIG_PSERIES_IDLE +extern void update_smt_snooze_delay(int snooze); +extern int pseries_notify_cpuidle_add_cpu(int cpu); +#else +static inline void update_smt_snooze_delay(int snooze) {} +static inline int pseries_notify_cpuidle_add_cpu(int cpu) { return 0; } +#endif /* * Atomic exchange diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 7c5324f1ec9..04caee7d9bc 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -208,6 +208,7 @@ int main(void) DEFINE(PACA_USER_TIME, offsetof(struct paca_struct, user_time)); DEFINE(PACA_SYSTEM_TIME, offsetof(struct paca_struct, system_time)); DEFINE(PACA_TRAP_SAVE, offsetof(struct paca_struct, trap_save)); + DEFINE(PACA_NAPSTATELOST, offsetof(struct paca_struct, nap_state_lost)); #endif /* CONFIG_PPC64 */ /* RTAS */ diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index cf9c69b9189..d4be7bb3dbd 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -65,7 +65,7 @@ BEGIN_FTR_SECTION lbz r0,PACAPROCSTART(r13) cmpwi r0,0x80 bne 1f - li r0,0 + li r0,1 stb r0,PACAPROCSTART(r13) b kvm_start_guest 1: diff --git a/arch/powerpc/kernel/idle.c b/arch/powerpc/kernel/idle.c index 39a2baa6ad5..8574b0e81ff 100644 --- a/arch/powerpc/kernel/idle.c +++ b/arch/powerpc/kernel/idle.c @@ -39,9 +39,13 @@ #define cpu_should_die() 0 #endif +unsigned long cpuidle_disable = IDLE_NO_OVERRIDE; +EXPORT_SYMBOL(cpuidle_disable); + static int __init powersave_off(char *arg) { ppc_md.power_save = NULL; + cpuidle_disable = IDLE_POWERSAVE_OFF; return 0; } __setup("powersave=off", powersave_off); @@ -102,6 +106,29 @@ void cpu_idle(void) } } + +/* + * cpu_idle_wait - Used to ensure that all the CPUs come out of the old + * idle loop and start using the new idle loop. + * Required while changing idle handler on SMP systems. + * Caller must have changed idle handler to the new value before the call. + * This window may be larger on shared systems. + */ +void cpu_idle_wait(void) +{ + int cpu; + smp_mb(); + + /* kick all the CPUs so that they exit out of old idle routine */ + get_online_cpus(); + for_each_online_cpu(cpu) { + if (cpu != smp_processor_id()) + smp_send_reschedule(cpu); + } + put_online_cpus(); +} +EXPORT_SYMBOL_GPL(cpu_idle_wait); + int powersave_nap; #ifdef CONFIG_SYSCTL diff --git a/arch/powerpc/kernel/idle_power7.S b/arch/powerpc/kernel/idle_power7.S index 3a70845a51c..fcdff198da4 100644 --- a/arch/powerpc/kernel/idle_power7.S +++ b/arch/powerpc/kernel/idle_power7.S @@ -54,6 +54,7 @@ _GLOBAL(power7_idle) li r0,0 stb r0,PACASOFTIRQEN(r13) /* we'll hard-enable shortly */ stb r0,PACAHARDIRQEN(r13) + stb r0,PACA_NAPSTATELOST(r13) /* Continue saving state */ SAVE_GPR(2, r1) @@ -86,6 +87,9 @@ _GLOBAL(power7_wakeup_loss) rfid _GLOBAL(power7_wakeup_noloss) + lbz r0,PACA_NAPSTATELOST(r13) + cmpwi r0,0 + bne .power7_wakeup_loss ld r1,PACAR1(r13) ld r4,_MSR(r1) ld r5,_NIP(r1) diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 2ff4f5e5962..701d4aceb4f 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -186,8 +186,8 @@ notrace void arch_local_irq_restore(unsigned long en) * Any HV call will have this side effect. */ if (firmware_has_feature(FW_FEATURE_PS3_LV1)) { - u64 tmp; - lv1_get_version_info(&tmp); + u64 tmp, tmp2; + lv1_get_version_info(&tmp, &tmp2); } __hard_irq_enable(); diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index f4f9f2f1432..df47316f1ae 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -742,7 +742,7 @@ static unsigned char ibm_architecture_vec[] = { W(0xffffffff), /* virt_base */ W(0xffffffff), /* virt_size */ W(0xffffffff), /* load_base */ - W(64), /* 64MB min RMA */ + W(256), /* 256MB min RMA */ W(0xffffffff), /* full client load */ 0, /* min RMA percentage of total RAM */ 48, /* max log_2(hash table size) */ diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c index f579be55209..6fdf5ffe8c4 100644 --- a/arch/powerpc/kernel/sysfs.c +++ b/arch/powerpc/kernel/sysfs.c @@ -18,6 +18,7 @@ #include <asm/machdep.h> #include <asm/smp.h> #include <asm/pmc.h> +#include <asm/system.h> #include "cacheinfo.h" @@ -51,6 +52,7 @@ static ssize_t store_smt_snooze_delay(struct sys_device *dev, return -EINVAL; per_cpu(smt_snooze_delay, cpu->sysdev.id) = snooze; + update_smt_snooze_delay(snooze); return count; } diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index 44d8829334a..5c8b26183f5 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -112,6 +112,9 @@ kvm_start_guest: stbcix r0, r5, r6 /* clear it */ stwcix r8, r5, r7 /* EOI it */ + /* NV GPR values from power7_idle() will no longer be valid */ + stb r0, PACA_NAPSTATELOST(r13) + .global kvmppc_hv_entry kvmppc_hv_entry: diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 83d819f3086..395f42d5f78 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -51,6 +51,7 @@ #include <asm/vdso.h> #include <asm/fixmap.h> #include <asm/swiotlb.h> +#include <asm/rtas.h> #include "mmu_decl.h" @@ -600,6 +601,8 @@ int devmem_is_allowed(unsigned long pfn) return 0; if (!page_is_ram(pfn)) return 1; + if (page_is_rtas_user_buf(pfn)) + return 1; return 0; } #endif /* CONFIG_STRICT_DEVMEM */ diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig index 153022971da..bac24a09131 100644 --- a/arch/powerpc/platforms/40x/Kconfig +++ b/arch/powerpc/platforms/40x/Kconfig @@ -100,6 +100,16 @@ config XILINX_VIRTEX_GENERIC_BOARD Most Virtex designs should use this unless it needs to do some special configuration at board probe time. +config OBS600 + bool "OpenBlockS 600" + depends on 40x + default n + select 405EX + select PPC40x_SIMPLE + help + This option enables support for PlatHome OpenBlockS 600 server + + config PPC40x_SIMPLE bool "Simple PowerPC 40x board support" depends on 40x diff --git a/arch/powerpc/platforms/40x/ppc40x_simple.c b/arch/powerpc/platforms/40x/ppc40x_simple.c index e8dd5c5df7d..ecac237827e 100644 --- a/arch/powerpc/platforms/40x/ppc40x_simple.c +++ b/arch/powerpc/platforms/40x/ppc40x_simple.c @@ -55,7 +55,8 @@ static const char *board[] __initdata = { "amcc,haleakala", "amcc,kilauea", "amcc,makalu", - "est,hotfoot" + "est,hotfoot", + "plathome,obs600" }; static int __init ppc40x_probe(void) diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index 3fe6d927ad7..31e1adeaa92 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -211,6 +211,12 @@ config PPC_PASEMI_CPUFREQ endmenu +menu "CPUIdle driver" + +source "drivers/cpuidle/Kconfig" + +endmenu + config PPC601_SYNC_FIX bool "Workarounds for PPC601 bugs" depends on 6xx && (PPC_PREP || PPC_PMAC) diff --git a/arch/powerpc/platforms/powernv/smp.c b/arch/powerpc/platforms/powernv/smp.c index e8773668524..17210c526c5 100644 --- a/arch/powerpc/platforms/powernv/smp.c +++ b/arch/powerpc/platforms/powernv/smp.c @@ -75,7 +75,7 @@ int __devinit pnv_smp_kick_cpu(int nr) /* On OPAL v2 the CPU are still spinning inside OPAL itself, * get them back now */ - if (firmware_has_feature(FW_FEATURE_OPALv2)) { + if (!paca[nr].cpu_start && firmware_has_feature(FW_FEATURE_OPALv2)) { pr_devel("OPAL: Starting CPU %d (HW 0x%x)...\n", nr, pcpu); rc = opal_start_cpu(pcpu, start_here); if (rc != OPAL_SUCCESS) diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c index 1d6f4f478fe..617efa12a3a 100644 --- a/arch/powerpc/platforms/ps3/interrupt.c +++ b/arch/powerpc/platforms/ps3/interrupt.c @@ -31,18 +31,18 @@ #if defined(DEBUG) #define DBG udbg_printf +#define FAIL udbg_printf #else -#define DBG pr_debug +#define DBG pr_devel +#define FAIL pr_debug #endif /** * struct ps3_bmp - a per cpu irq status and mask bitmap structure * @status: 256 bit status bitmap indexed by plug - * @unused_1: + * @unused_1: Alignment * @mask: 256 bit mask bitmap indexed by plug - * @unused_2: - * @lock: - * @ipi_debug_brk_mask: + * @unused_2: Alignment * * The HV maintains per SMT thread mappings of HV outlet to HV plug on * behalf of the guest. These mappings are implemented as 256 bit guest @@ -73,21 +73,24 @@ struct ps3_bmp { unsigned long mask; u64 unused_2[3]; }; - u64 ipi_debug_brk_mask; - spinlock_t lock; }; /** * struct ps3_private - a per cpu data structure * @bmp: ps3_bmp structure + * @bmp_lock: Syncronize access to bmp. + * @ipi_debug_brk_mask: Mask for debug break IPIs * @ppe_id: HV logical_ppe_id * @thread_id: HV thread_id + * @ipi_mask: Mask of IPI virqs */ struct ps3_private { struct ps3_bmp bmp __attribute__ ((aligned (PS3_BMP_MINALIGN))); + spinlock_t bmp_lock; u64 ppe_id; u64 thread_id; + unsigned long ipi_debug_brk_mask; unsigned long ipi_mask; }; @@ -105,7 +108,7 @@ static void ps3_chip_mask(struct irq_data *d) struct ps3_private *pd = irq_data_get_irq_chip_data(d); unsigned long flags; - pr_debug("%s:%d: thread_id %llu, virq %d\n", __func__, __LINE__, + DBG("%s:%d: thread_id %llu, virq %d\n", __func__, __LINE__, pd->thread_id, d->irq); local_irq_save(flags); @@ -126,7 +129,7 @@ static void ps3_chip_unmask(struct irq_data *d) struct ps3_private *pd = irq_data_get_irq_chip_data(d); unsigned long flags; - pr_debug("%s:%d: thread_id %llu, virq %d\n", __func__, __LINE__, + DBG("%s:%d: thread_id %llu, virq %d\n", __func__, __LINE__, pd->thread_id, d->irq); local_irq_save(flags); @@ -190,19 +193,19 @@ static int ps3_virq_setup(enum ps3_cpu_binding cpu, unsigned long outlet, *virq = irq_create_mapping(NULL, outlet); if (*virq == NO_IRQ) { - pr_debug("%s:%d: irq_create_mapping failed: outlet %lu\n", + FAIL("%s:%d: irq_create_mapping failed: outlet %lu\n", __func__, __LINE__, outlet); result = -ENOMEM; goto fail_create; } - pr_debug("%s:%d: outlet %lu => cpu %u, virq %u\n", __func__, __LINE__, + DBG("%s:%d: outlet %lu => cpu %u, virq %u\n", __func__, __LINE__, outlet, cpu, *virq); result = irq_set_chip_data(*virq, pd); if (result) { - pr_debug("%s:%d: irq_set_chip_data failed\n", + FAIL("%s:%d: irq_set_chip_data failed\n", __func__, __LINE__); goto fail_set; } @@ -228,13 +231,13 @@ static int ps3_virq_destroy(unsigned int virq) { const struct ps3_private *pd = irq_get_chip_data(virq); - pr_debug("%s:%d: ppe_id %llu, thread_id %llu, virq %u\n", __func__, + DBG("%s:%d: ppe_id %llu, thread_id %llu, virq %u\n", __func__, __LINE__, pd->ppe_id, pd->thread_id, virq); irq_set_chip_data(virq, NULL); irq_dispose_mapping(virq); - pr_debug("%s:%d <-\n", __func__, __LINE__); + DBG("%s:%d <-\n", __func__, __LINE__); return 0; } @@ -257,7 +260,7 @@ int ps3_irq_plug_setup(enum ps3_cpu_binding cpu, unsigned long outlet, result = ps3_virq_setup(cpu, outlet, virq); if (result) { - pr_debug("%s:%d: ps3_virq_setup failed\n", __func__, __LINE__); + FAIL("%s:%d: ps3_virq_setup failed\n", __func__, __LINE__); goto fail_setup; } @@ -269,7 +272,7 @@ int ps3_irq_plug_setup(enum ps3_cpu_binding cpu, unsigned long outlet, outlet, 0); if (result) { - pr_info("%s:%d: lv1_connect_irq_plug_ext failed: %s\n", + FAIL("%s:%d: lv1_connect_irq_plug_ext failed: %s\n", __func__, __LINE__, ps3_result(result)); result = -EPERM; goto fail_connect; @@ -298,7 +301,7 @@ int ps3_irq_plug_destroy(unsigned int virq) int result; const struct ps3_private *pd = irq_get_chip_data(virq); - pr_debug("%s:%d: ppe_id %llu, thread_id %llu, virq %u\n", __func__, + DBG("%s:%d: ppe_id %llu, thread_id %llu, virq %u\n", __func__, __LINE__, pd->ppe_id, pd->thread_id, virq); ps3_chip_mask(irq_get_irq_data(virq)); @@ -306,7 +309,7 @@ int ps3_irq_plug_destroy(unsigned int virq) result = lv1_disconnect_irq_plug_ext(pd->ppe_id, pd->thread_id, virq); if (result) - pr_info("%s:%d: lv1_disconnect_irq_plug_ext failed: %s\n", + FAIL("%s:%d: lv1_disconnect_irq_plug_ext failed: %s\n", __func__, __LINE__, ps3_result(result)); ps3_virq_destroy(virq); @@ -334,7 +337,7 @@ int ps3_event_receive_port_setup(enum ps3_cpu_binding cpu, unsigned int *virq) result = lv1_construct_event_receive_port(&outlet); if (result) { - pr_debug("%s:%d: lv1_construct_event_receive_port failed: %s\n", + FAIL("%s:%d: lv1_construct_event_receive_port failed: %s\n", __func__, __LINE__, ps3_result(result)); *virq = NO_IRQ; return result; @@ -360,14 +363,14 @@ int ps3_event_receive_port_destroy(unsigned int virq) { int result; - pr_debug(" -> %s:%d virq %u\n", __func__, __LINE__, virq); + DBG(" -> %s:%d virq %u\n", __func__, __LINE__, virq); ps3_chip_mask(irq_get_irq_data(virq)); result = lv1_destruct_event_receive_port(virq_to_hw(virq)); if (result) - pr_debug("%s:%d: lv1_destruct_event_receive_port failed: %s\n", + FAIL("%s:%d: lv1_destruct_event_receive_port failed: %s\n", __func__, __LINE__, ps3_result(result)); /* @@ -375,7 +378,7 @@ int ps3_event_receive_port_destroy(unsigned int virq) * calls from interrupt context (smp_call_function) when kexecing. */ - pr_debug(" <- %s:%d\n", __func__, __LINE__); + DBG(" <- %s:%d\n", __func__, __LINE__); return result; } @@ -411,7 +414,7 @@ int ps3_sb_event_receive_port_setup(struct ps3_system_bus_device *dev, dev->dev_id, virq_to_hw(*virq), dev->interrupt_id); if (result) { - pr_debug("%s:%d: lv1_connect_interrupt_event_receive_port" + FAIL("%s:%d: lv1_connect_interrupt_event_receive_port" " failed: %s\n", __func__, __LINE__, ps3_result(result)); ps3_event_receive_port_destroy(*virq); @@ -419,7 +422,7 @@ int ps3_sb_event_receive_port_setup(struct ps3_system_bus_device *dev, return result; } - pr_debug("%s:%d: interrupt_id %u, virq %u\n", __func__, __LINE__, + DBG("%s:%d: interrupt_id %u, virq %u\n", __func__, __LINE__, dev->interrupt_id, *virq); return 0; @@ -433,14 +436,14 @@ int ps3_sb_event_receive_port_destroy(struct ps3_system_bus_device *dev, int result; - pr_debug(" -> %s:%d: interrupt_id %u, virq %u\n", __func__, __LINE__, + DBG(" -> %s:%d: interrupt_id %u, virq %u\n", __func__, __LINE__, dev->interrupt_id, virq); result = lv1_disconnect_interrupt_event_receive_port(dev->bus_id, dev->dev_id, virq_to_hw(virq), dev->interrupt_id); if (result) - pr_debug("%s:%d: lv1_disconnect_interrupt_event_receive_port" + FAIL("%s:%d: lv1_disconnect_interrupt_event_receive_port" " failed: %s\n", __func__, __LINE__, ps3_result(result)); @@ -455,7 +458,7 @@ int ps3_sb_event_receive_port_destroy(struct ps3_system_bus_device *dev, result = ps3_virq_destroy(virq); BUG_ON(result); - pr_debug(" <- %s:%d\n", __func__, __LINE__); + DBG(" <- %s:%d\n", __func__, __LINE__); return result; } EXPORT_SYMBOL(ps3_sb_event_receive_port_destroy); @@ -480,7 +483,7 @@ int ps3_io_irq_setup(enum ps3_cpu_binding cpu, unsigned int interrupt_id, result = lv1_construct_io_irq_outlet(interrupt_id, &outlet); if (result) { - pr_debug("%s:%d: lv1_construct_io_irq_outlet failed: %s\n", + FAIL("%s:%d: lv1_construct_io_irq_outlet failed: %s\n", __func__, __LINE__, ps3_result(result)); return result; } @@ -510,7 +513,7 @@ int ps3_io_irq_destroy(unsigned int virq) result = lv1_destruct_io_irq_outlet(outlet); if (result) - pr_debug("%s:%d: lv1_destruct_io_irq_outlet failed: %s\n", + FAIL("%s:%d: lv1_destruct_io_irq_outlet failed: %s\n", __func__, __LINE__, ps3_result(result)); return result; @@ -542,7 +545,7 @@ int ps3_vuart_irq_setup(enum ps3_cpu_binding cpu, void* virt_addr_bmp, result = lv1_configure_virtual_uart_irq(lpar_addr, &outlet); if (result) { - pr_debug("%s:%d: lv1_configure_virtual_uart_irq failed: %s\n", + FAIL("%s:%d: lv1_configure_virtual_uart_irq failed: %s\n", __func__, __LINE__, ps3_result(result)); return result; } @@ -562,7 +565,7 @@ int ps3_vuart_irq_destroy(unsigned int virq) result = lv1_deconfigure_virtual_uart_irq(); if (result) { - pr_debug("%s:%d: lv1_configure_virtual_uart_irq failed: %s\n", + FAIL("%s:%d: lv1_configure_virtual_uart_irq failed: %s\n", __func__, __LINE__, ps3_result(result)); return result; } @@ -595,7 +598,7 @@ int ps3_spe_irq_setup(enum ps3_cpu_binding cpu, unsigned long spe_id, result = lv1_get_spe_irq_outlet(spe_id, class, &outlet); if (result) { - pr_debug("%s:%d: lv1_get_spe_irq_outlet failed: %s\n", + FAIL("%s:%d: lv1_get_spe_irq_outlet failed: %s\n", __func__, __LINE__, ps3_result(result)); return result; } @@ -626,7 +629,7 @@ int ps3_spe_irq_destroy(unsigned int virq) static void _dump_64_bmp(const char *header, const u64 *p, unsigned cpu, const char* func, int line) { - pr_debug("%s:%d: %s %u {%04lx_%04lx_%04lx_%04lx}\n", + pr_debug("%s:%d: %s %u {%04llx_%04llx_%04llx_%04llx}\n", func, line, header, cpu, *p >> 48, (*p >> 32) & 0xffff, (*p >> 16) & 0xffff, *p & 0xffff); @@ -635,7 +638,7 @@ static void _dump_64_bmp(const char *header, const u64 *p, unsigned cpu, static void __maybe_unused _dump_256_bmp(const char *header, const u64 *p, unsigned cpu, const char* func, int line) { - pr_debug("%s:%d: %s %u {%016lx:%016lx:%016lx:%016lx}\n", + pr_debug("%s:%d: %s %u {%016llx:%016llx:%016llx:%016llx}\n", func, line, header, cpu, p[0], p[1], p[2], p[3]); } @@ -644,10 +647,10 @@ static void _dump_bmp(struct ps3_private* pd, const char* func, int line) { unsigned long flags; - spin_lock_irqsave(&pd->bmp.lock, flags); + spin_lock_irqsave(&pd->bmp_lock, flags); _dump_64_bmp("stat", &pd->bmp.status, pd->thread_id, func, line); - _dump_64_bmp("mask", &pd->bmp.mask, pd->thread_id, func, line); - spin_unlock_irqrestore(&pd->bmp.lock, flags); + _dump_64_bmp("mask", (u64*)&pd->bmp.mask, pd->thread_id, func, line); + spin_unlock_irqrestore(&pd->bmp_lock, flags); } #define dump_mask(_x) _dump_mask(_x, __func__, __LINE__) @@ -656,9 +659,9 @@ static void __maybe_unused _dump_mask(struct ps3_private *pd, { unsigned long flags; - spin_lock_irqsave(&pd->bmp.lock, flags); - _dump_64_bmp("mask", &pd->bmp.mask, pd->thread_id, func, line); - spin_unlock_irqrestore(&pd->bmp.lock, flags); + spin_lock_irqsave(&pd->bmp_lock, flags); + _dump_64_bmp("mask", (u64*)&pd->bmp.mask, pd->thread_id, func, line); + spin_unlock_irqrestore(&pd->bmp_lock, flags); } #else static void dump_bmp(struct ps3_private* pd) {}; @@ -667,7 +670,7 @@ static void dump_bmp(struct ps3_private* pd) {}; static int ps3_host_map(struct irq_host *h, unsigned int virq, irq_hw_number_t hwirq) { - pr_debug("%s:%d: hwirq %lu, virq %u\n", __func__, __LINE__, hwirq, + DBG("%s:%d: hwirq %lu, virq %u\n", __func__, __LINE__, hwirq, virq); irq_set_chip_and_handler(virq, &ps3_irq_chip, handle_fasteoi_irq); @@ -690,10 +693,10 @@ void __init ps3_register_ipi_debug_brk(unsigned int cpu, unsigned int virq) { struct ps3_private *pd = &per_cpu(ps3_private, cpu); - pd->bmp.ipi_debug_brk_mask = 0x8000000000000000UL >> virq; + set_bit(63 - virq, &pd->ipi_debug_brk_mask); - pr_debug("%s:%d: cpu %u, virq %u, mask %llxh\n", __func__, __LINE__, - cpu, virq, pd->bmp.ipi_debug_brk_mask); + DBG("%s:%d: cpu %u, virq %u, mask %lxh\n", __func__, __LINE__, + cpu, virq, pd->ipi_debug_brk_mask); } void __init ps3_register_ipi_irq(unsigned int cpu, unsigned int virq) @@ -714,14 +717,14 @@ static unsigned int ps3_get_irq(void) /* check for ipi break first to stop this cpu ASAP */ - if (x & pd->bmp.ipi_debug_brk_mask) - x &= pd->bmp.ipi_debug_brk_mask; + if (x & pd->ipi_debug_brk_mask) + x &= pd->ipi_debug_brk_mask; asm volatile("cntlzd %0,%1" : "=r" (plug) : "r" (x)); plug &= 0x3f; if (unlikely(plug == NO_IRQ)) { - pr_debug("%s:%d: no plug found: thread_id %llu\n", __func__, + DBG("%s:%d: no plug found: thread_id %llu\n", __func__, __LINE__, pd->thread_id); dump_bmp(&per_cpu(ps3_private, 0)); dump_bmp(&per_cpu(ps3_private, 1)); @@ -760,9 +763,9 @@ void __init ps3_init_IRQ(void) lv1_get_logical_ppe_id(&pd->ppe_id); pd->thread_id = get_hard_smp_processor_id(cpu); - spin_lock_init(&pd->bmp.lock); + spin_lock_init(&pd->bmp_lock); - pr_debug("%s:%d: ppe_id %llu, thread_id %llu, bmp %lxh\n", + DBG("%s:%d: ppe_id %llu, thread_id %llu, bmp %lxh\n", __func__, __LINE__, pd->ppe_id, pd->thread_id, ps3_mm_phys_to_lpar(__pa(&pd->bmp))); @@ -770,7 +773,7 @@ void __init ps3_init_IRQ(void) pd->thread_id, ps3_mm_phys_to_lpar(__pa(&pd->bmp))); if (result) - pr_debug("%s:%d: lv1_configure_irq_state_bitmap failed:" + FAIL("%s:%d: lv1_configure_irq_state_bitmap failed:" " %s\n", __func__, __LINE__, ps3_result(result)); } diff --git a/arch/powerpc/platforms/ps3/repository.c b/arch/powerpc/platforms/ps3/repository.c index ca40f6afd35..7bdfea336f5 100644 --- a/arch/powerpc/platforms/ps3/repository.c +++ b/arch/powerpc/platforms/ps3/repository.c @@ -44,7 +44,7 @@ static void _dump_field(const char *hdr, u64 n, const char *func, int line) s[i] = (in[i] <= 126 && in[i] >= 32) ? in[i] : '.'; s[i] = 0; - pr_debug("%s:%d: %s%016llx : %s\n", func, line, hdr, n, s); + pr_devel("%s:%d: %s%016llx : %s\n", func, line, hdr, n, s); #endif } @@ -53,7 +53,7 @@ static void _dump_field(const char *hdr, u64 n, const char *func, int line) static void _dump_node_name(unsigned int lpar_id, u64 n1, u64 n2, u64 n3, u64 n4, const char *func, int line) { - pr_debug("%s:%d: lpar: %u\n", func, line, lpar_id); + pr_devel("%s:%d: lpar: %u\n", func, line, lpar_id); _dump_field("n1: ", n1, func, line); _dump_field("n2: ", n2, func, line); _dump_field("n3: ", n3, func, line); @@ -65,13 +65,13 @@ static void _dump_node_name(unsigned int lpar_id, u64 n1, u64 n2, u64 n3, static void _dump_node(unsigned int lpar_id, u64 n1, u64 n2, u64 n3, u64 n4, u64 v1, u64 v2, const char *func, int line) { - pr_debug("%s:%d: lpar: %u\n", func, line, lpar_id); + pr_devel("%s:%d: lpar: %u\n", func, line, lpar_id); _dump_field("n1: ", n1, func, line); _dump_field("n2: ", n2, func, line); _dump_field("n3: ", n3, func, line); _dump_field("n4: ", n4, func, line); - pr_debug("%s:%d: v1: %016llx\n", func, line, v1); - pr_debug("%s:%d: v2: %016llx\n", func, line, v2); + pr_devel("%s:%d: v1: %016llx\n", func, line, v1); + pr_devel("%s:%d: v2: %016llx\n", func, line, v2); } /** @@ -131,11 +131,11 @@ static int read_node(unsigned int lpar_id, u64 n1, u64 n2, u64 n3, u64 n4, lpar_id = id; } - result = lv1_get_repository_node_value(lpar_id, n1, n2, n3, n4, &v1, + result = lv1_read_repository_node(lpar_id, n1, n2, n3, n4, &v1, &v2); if (result) { - pr_debug("%s:%d: lv1_get_repository_node_value failed: %s\n", + pr_warn("%s:%d: lv1_read_repository_node failed: %s\n", __func__, __LINE__, ps3_result(result)); dump_node_name(lpar_id, n1, n2, n3, n4); return -ENOENT; @@ -149,10 +149,10 @@ static int read_node(unsigned int lpar_id, u64 n1, u64 n2, u64 n3, u64 n4, *_v2 = v2; if (v1 && !_v1) - pr_debug("%s:%d: warning: discarding non-zero v1: %016llx\n", + pr_devel("%s:%d: warning: discarding non-zero v1: %016llx\n", __func__, __LINE__, v1); if (v2 && !_v2) - pr_debug("%s:%d: warning: discarding non-zero v2: %016llx\n", + pr_devel("%s:%d: warning: discarding non-zero v2: %016llx\n", __func__, __LINE__, v2); return 0; @@ -323,16 +323,16 @@ int ps3_repository_find_device(struct ps3_repository_device *repo) result = ps3_repository_read_bus_num_dev(tmp.bus_index, &num_dev); if (result) { - pr_debug("%s:%d read_bus_num_dev failed\n", __func__, __LINE__); + pr_devel("%s:%d read_bus_num_dev failed\n", __func__, __LINE__); return result; } - pr_debug("%s:%d: bus_type %u, bus_index %u, bus_id %llu, num_dev %u\n", + pr_devel("%s:%d: bus_type %u, bus_index %u, bus_id %llu, num_dev %u\n", __func__, __LINE__, tmp.bus_type, tmp.bus_index, tmp.bus_id, num_dev); if (tmp.dev_index >= num_dev) { - pr_debug("%s:%d: no device found\n", __func__, __LINE__); + pr_devel("%s:%d: no device found\n", __func__, __LINE__); return -ENODEV; } @@ -340,7 +340,7 @@ int ps3_repository_find_device(struct ps3_repository_device *repo) &tmp.dev_type); if (result) { - pr_debug("%s:%d read_dev_type failed\n", __func__, __LINE__); + pr_devel("%s:%d read_dev_type failed\n", __func__, __LINE__); return result; } @@ -348,12 +348,12 @@ int ps3_repository_find_device(struct ps3_repository_device *repo) &tmp.dev_id); if (result) { - pr_debug("%s:%d ps3_repository_read_dev_id failed\n", __func__, + pr_devel("%s:%d ps3_repository_read_dev_id failed\n", __func__, __LINE__); return result; } - pr_debug("%s:%d: found: dev_type %u, dev_index %u, dev_id %llu\n", + pr_devel("%s:%d: found: dev_type %u, dev_index %u, dev_id %llu\n", __func__, __LINE__, tmp.dev_type, tmp.dev_index, tmp.dev_id); *repo = tmp; @@ -367,14 +367,14 @@ int ps3_repository_find_device_by_id(struct ps3_repository_device *repo, struct ps3_repository_device tmp; unsigned int num_dev; - pr_debug(" -> %s:%u: find device by id %llu:%llu\n", __func__, __LINE__, + pr_devel(" -> %s:%u: find device by id %llu:%llu\n", __func__, __LINE__, bus_id, dev_id); for (tmp.bus_index = 0; tmp.bus_index < 10; tmp.bus_index++) { result = ps3_repository_read_bus_id(tmp.bus_index, &tmp.bus_id); if (result) { - pr_debug("%s:%u read_bus_id(%u) failed\n", __func__, + pr_devel("%s:%u read_bus_id(%u) failed\n", __func__, __LINE__, tmp.bus_index); return result; } @@ -382,23 +382,23 @@ int ps3_repository_find_device_by_id(struct ps3_repository_device *repo, if (tmp.bus_id == bus_id) goto found_bus; - pr_debug("%s:%u: skip, bus_id %llu\n", __func__, __LINE__, + pr_devel("%s:%u: skip, bus_id %llu\n", __func__, __LINE__, tmp.bus_id); } - pr_debug(" <- %s:%u: bus not found\n", __func__, __LINE__); + pr_devel(" <- %s:%u: bus not found\n", __func__, __LINE__); return result; found_bus: result = ps3_repository_read_bus_type(tmp.bus_index, &tmp.bus_type); if (result) { - pr_debug("%s:%u read_bus_type(%u) failed\n", __func__, + pr_devel("%s:%u read_bus_type(%u) failed\n", __func__, __LINE__, tmp.bus_index); return result; } result = ps3_repository_read_bus_num_dev(tmp.bus_index, &num_dev); if (result) { - pr_debug("%s:%u read_bus_num_dev failed\n", __func__, + pr_devel("%s:%u read_bus_num_dev failed\n", __func__, __LINE__); return result; } @@ -408,7 +408,7 @@ found_bus: tmp.dev_index, &tmp.dev_id); if (result) { - pr_debug("%s:%u read_dev_id(%u:%u) failed\n", __func__, + pr_devel("%s:%u read_dev_id(%u:%u) failed\n", __func__, __LINE__, tmp.bus_index, tmp.dev_index); return result; } @@ -416,21 +416,21 @@ found_bus: if (tmp.dev_id == dev_id) goto found_dev; - pr_debug("%s:%u: skip, dev_id %llu\n", __func__, __LINE__, + pr_devel("%s:%u: skip, dev_id %llu\n", __func__, __LINE__, tmp.dev_id); } - pr_debug(" <- %s:%u: dev not found\n", __func__, __LINE__); + pr_devel(" <- %s:%u: dev not found\n", __func__, __LINE__); return result; found_dev: result = ps3_repository_read_dev_type(tmp.bus_index, tmp.dev_index, &tmp.dev_type); if (result) { - pr_debug("%s:%u read_dev_type failed\n", __func__, __LINE__); + pr_devel("%s:%u read_dev_type failed\n", __func__, __LINE__); return result; } - pr_debug(" <- %s:%u: found: type (%u:%u) index (%u:%u) id (%llu:%llu)\n", + pr_devel(" <- %s:%u: found: type (%u:%u) index (%u:%u) id (%llu:%llu)\n", __func__, __LINE__, tmp.bus_type, tmp.dev_type, tmp.bus_index, tmp.dev_index, tmp.bus_id, tmp.dev_id); *repo = tmp; @@ -443,18 +443,18 @@ int __devinit ps3_repository_find_devices(enum ps3_bus_type bus_type, int result = 0; struct ps3_repository_device repo; - pr_debug(" -> %s:%d: find bus_type %u\n", __func__, __LINE__, bus_type); + pr_devel(" -> %s:%d: find bus_type %u\n", __func__, __LINE__, bus_type); repo.bus_type = bus_type; result = ps3_repository_find_bus(repo.bus_type, 0, &repo.bus_index); if (result) { - pr_debug(" <- %s:%u: bus not found\n", __func__, __LINE__); + pr_devel(" <- %s:%u: bus not found\n", __func__, __LINE__); return result; } result = ps3_repository_read_bus_id(repo.bus_index, &repo.bus_id); if (result) { - pr_debug("%s:%d read_bus_id(%u) failed\n", __func__, __LINE__, + pr_devel("%s:%d read_bus_id(%u) failed\n", __func__, __LINE__, repo.bus_index); return result; } @@ -469,13 +469,13 @@ int __devinit ps3_repository_find_devices(enum ps3_bus_type bus_type, result = callback(&repo); if (result) { - pr_debug("%s:%d: abort at callback\n", __func__, + pr_devel("%s:%d: abort at callback\n", __func__, __LINE__); break; } } - pr_debug(" <- %s:%d\n", __func__, __LINE__); + pr_devel(" <- %s:%d\n", __func__, __LINE__); return result; } @@ -489,7 +489,7 @@ int ps3_repository_find_bus(enum ps3_bus_type bus_type, unsigned int from, for (i = from; i < 10; i++) { error = ps3_repository_read_bus_type(i, &type); if (error) { - pr_debug("%s:%d read_bus_type failed\n", + pr_devel("%s:%d read_bus_type failed\n", __func__, __LINE__); *bus_index = UINT_MAX; return error; @@ -509,7 +509,7 @@ int ps3_repository_find_interrupt(const struct ps3_repository_device *repo, int result = 0; unsigned int res_index; - pr_debug("%s:%d: find intr_type %u\n", __func__, __LINE__, intr_type); + pr_devel("%s:%d: find intr_type %u\n", __func__, __LINE__, intr_type); *interrupt_id = UINT_MAX; @@ -521,7 +521,7 @@ int ps3_repository_find_interrupt(const struct ps3_repository_device *repo, repo->dev_index, res_index, &t, &id); if (result) { - pr_debug("%s:%d read_dev_intr failed\n", + pr_devel("%s:%d read_dev_intr failed\n", __func__, __LINE__); return result; } @@ -535,7 +535,7 @@ int ps3_repository_find_interrupt(const struct ps3_repository_device *repo, if (res_index == 10) return -ENODEV; - pr_debug("%s:%d: found intr_type %u at res_index %u\n", + pr_devel("%s:%d: found intr_type %u at res_index %u\n", __func__, __LINE__, intr_type, res_index); return result; @@ -547,7 +547,7 @@ int ps3_repository_find_reg(const struct ps3_repository_device *repo, int result = 0; unsigned int res_index; - pr_debug("%s:%d: find reg_type %u\n", __func__, __LINE__, reg_type); + pr_devel("%s:%d: find reg_type %u\n", __func__, __LINE__, reg_type); *bus_addr = *len = 0; @@ -560,7 +560,7 @@ int ps3_repository_find_reg(const struct ps3_repository_device *repo, repo->dev_index, res_index, &t, &a, &l); if (result) { - pr_debug("%s:%d read_dev_reg failed\n", + pr_devel("%s:%d read_dev_reg failed\n", __func__, __LINE__); return result; } @@ -575,7 +575,7 @@ int ps3_repository_find_reg(const struct ps3_repository_device *repo, if (res_index == 10) return -ENODEV; - pr_debug("%s:%d: found reg_type %u at res_index %u\n", + pr_devel("%s:%d: found reg_type %u at res_index %u\n", __func__, __LINE__, reg_type, res_index); return result; @@ -1009,7 +1009,7 @@ int ps3_repository_dump_resource_info(const struct ps3_repository_device *repo) int result = 0; unsigned int res_index; - pr_debug(" -> %s:%d: (%u:%u)\n", __func__, __LINE__, + pr_devel(" -> %s:%d: (%u:%u)\n", __func__, __LINE__, repo->bus_index, repo->dev_index); for (res_index = 0; res_index < 10; res_index++) { @@ -1021,13 +1021,13 @@ int ps3_repository_dump_resource_info(const struct ps3_repository_device *repo) if (result) { if (result != LV1_NO_ENTRY) - pr_debug("%s:%d ps3_repository_read_dev_intr" + pr_devel("%s:%d ps3_repository_read_dev_intr" " (%u:%u) failed\n", __func__, __LINE__, repo->bus_index, repo->dev_index); break; } - pr_debug("%s:%d (%u:%u) intr_type %u, interrupt_id %u\n", + pr_devel("%s:%d (%u:%u) intr_type %u, interrupt_id %u\n", __func__, __LINE__, repo->bus_index, repo->dev_index, intr_type, interrupt_id); } @@ -1042,18 +1042,18 @@ int ps3_repository_dump_resource_info(const struct ps3_repository_device *repo) if (result) { if (result != LV1_NO_ENTRY) - pr_debug("%s:%d ps3_repository_read_dev_reg" + pr_devel("%s:%d ps3_repository_read_dev_reg" " (%u:%u) failed\n", __func__, __LINE__, repo->bus_index, repo->dev_index); break; } - pr_debug("%s:%d (%u:%u) reg_type %u, bus_addr %lxh, len %lxh\n", + pr_devel("%s:%d (%u:%u) reg_type %u, bus_addr %llxh, len %llxh\n", __func__, __LINE__, repo->bus_index, repo->dev_index, reg_type, bus_addr, len); } - pr_debug(" <- %s:%d\n", __func__, __LINE__); + pr_devel(" <- %s:%d\n", __func__, __LINE__); return result; } @@ -1063,22 +1063,22 @@ static int dump_stor_dev_info(struct ps3_repository_device *repo) unsigned int num_regions, region_index; u64 port, blk_size, num_blocks; - pr_debug(" -> %s:%d: (%u:%u)\n", __func__, __LINE__, + pr_devel(" -> %s:%d: (%u:%u)\n", __func__, __LINE__, repo->bus_index, repo->dev_index); result = ps3_repository_read_stor_dev_info(repo->bus_index, repo->dev_index, &port, &blk_size, &num_blocks, &num_regions); if (result) { - pr_debug("%s:%d ps3_repository_read_stor_dev_info" + pr_devel("%s:%d ps3_repository_read_stor_dev_info" " (%u:%u) failed\n", __func__, __LINE__, repo->bus_index, repo->dev_index); goto out; } - pr_debug("%s:%d (%u:%u): port %lu, blk_size %lu, num_blocks " - "%lu, num_regions %u\n", - __func__, __LINE__, repo->bus_index, repo->dev_index, port, - blk_size, num_blocks, num_regions); + pr_devel("%s:%d (%u:%u): port %llu, blk_size %llu, num_blocks " + "%llu, num_regions %u\n", + __func__, __LINE__, repo->bus_index, repo->dev_index, + port, blk_size, num_blocks, num_regions); for (region_index = 0; region_index < num_regions; region_index++) { unsigned int region_id; @@ -1088,19 +1088,20 @@ static int dump_stor_dev_info(struct ps3_repository_device *repo) repo->dev_index, region_index, ®ion_id, ®ion_start, ®ion_size); if (result) { - pr_debug("%s:%d ps3_repository_read_stor_dev_region" + pr_devel("%s:%d ps3_repository_read_stor_dev_region" " (%u:%u) failed\n", __func__, __LINE__, repo->bus_index, repo->dev_index); break; } - pr_debug("%s:%d (%u:%u) region_id %u, start %lxh, size %lxh\n", + pr_devel("%s:%d (%u:%u) region_id %u, start %lxh, size %lxh\n", __func__, __LINE__, repo->bus_index, repo->dev_index, - region_id, region_start, region_size); + region_id, (unsigned long)region_start, + (unsigned long)region_size); } out: - pr_debug(" <- %s:%d\n", __func__, __LINE__); + pr_devel(" <- %s:%d\n", __func__, __LINE__); return result; } @@ -1109,7 +1110,7 @@ static int dump_device_info(struct ps3_repository_device *repo, { int result = 0; - pr_debug(" -> %s:%d: bus_%u\n", __func__, __LINE__, repo->bus_index); + pr_devel(" -> %s:%d: bus_%u\n", __func__, __LINE__, repo->bus_index); for (repo->dev_index = 0; repo->dev_index < num_dev; repo->dev_index++) { @@ -1118,7 +1119,7 @@ static int dump_device_info(struct ps3_repository_device *repo, repo->dev_index, &repo->dev_type); if (result) { - pr_debug("%s:%d ps3_repository_read_dev_type" + pr_devel("%s:%d ps3_repository_read_dev_type" " (%u:%u) failed\n", __func__, __LINE__, repo->bus_index, repo->dev_index); break; @@ -1128,15 +1129,15 @@ static int dump_device_info(struct ps3_repository_device *repo, repo->dev_index, &repo->dev_id); if (result) { - pr_debug("%s:%d ps3_repository_read_dev_id" + pr_devel("%s:%d ps3_repository_read_dev_id" " (%u:%u) failed\n", __func__, __LINE__, repo->bus_index, repo->dev_index); continue; } - pr_debug("%s:%d (%u:%u): dev_type %u, dev_id %lu\n", __func__, + pr_devel("%s:%d (%u:%u): dev_type %u, dev_id %lu\n", __func__, __LINE__, repo->bus_index, repo->dev_index, - repo->dev_type, repo->dev_id); + repo->dev_type, (unsigned long)repo->dev_id); ps3_repository_dump_resource_info(repo); @@ -1144,7 +1145,7 @@ static int dump_device_info(struct ps3_repository_device *repo, dump_stor_dev_info(repo); } - pr_debug(" <- %s:%d\n", __func__, __LINE__); + pr_devel(" <- %s:%d\n", __func__, __LINE__); return result; } @@ -1153,7 +1154,7 @@ int ps3_repository_dump_bus_info(void) int result = 0; struct ps3_repository_device repo; - pr_debug(" -> %s:%d\n", __func__, __LINE__); + pr_devel(" -> %s:%d\n", __func__, __LINE__); memset(&repo, 0, sizeof(repo)); @@ -1164,7 +1165,7 @@ int ps3_repository_dump_bus_info(void) &repo.bus_type); if (result) { - pr_debug("%s:%d read_bus_type(%u) failed\n", + pr_devel("%s:%d read_bus_type(%u) failed\n", __func__, __LINE__, repo.bus_index); break; } @@ -1173,32 +1174,32 @@ int ps3_repository_dump_bus_info(void) &repo.bus_id); if (result) { - pr_debug("%s:%d read_bus_id(%u) failed\n", + pr_devel("%s:%d read_bus_id(%u) failed\n", __func__, __LINE__, repo.bus_index); continue; } if (repo.bus_index != repo.bus_id) - pr_debug("%s:%d bus_index != bus_id\n", + pr_devel("%s:%d bus_index != bus_id\n", __func__, __LINE__); result = ps3_repository_read_bus_num_dev(repo.bus_index, &num_dev); if (result) { - pr_debug("%s:%d read_bus_num_dev(%u) failed\n", + pr_devel("%s:%d read_bus_num_dev(%u) failed\n", __func__, __LINE__, repo.bus_index); continue; } - pr_debug("%s:%d bus_%u: bus_type %u, bus_id %lu, num_dev %u\n", + pr_devel("%s:%d bus_%u: bus_type %u, bus_id %lu, num_dev %u\n", __func__, __LINE__, repo.bus_index, repo.bus_type, - repo.bus_id, num_dev); + (unsigned long)repo.bus_id, num_dev); dump_device_info(&repo, num_dev); } - pr_debug(" <- %s:%d\n", __func__, __LINE__); + pr_devel(" <- %s:%d\n", __func__, __LINE__); return result; } diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c index e8ec1b2bfff..2d664c5a83b 100644 --- a/arch/powerpc/platforms/ps3/setup.c +++ b/arch/powerpc/platforms/ps3/setup.c @@ -193,10 +193,12 @@ static int ps3_set_dabr(unsigned long dabr) static void __init ps3_setup_arch(void) { + u64 tmp; DBG(" -> %s:%d\n", __func__, __LINE__); - lv1_get_version_info(&ps3_firmware_version.raw); + lv1_get_version_info(&ps3_firmware_version.raw, &tmp); + printk(KERN_INFO "PS3 firmware version %u.%u.%u\n", ps3_firmware_version.major, ps3_firmware_version.minor, ps3_firmware_version.rev); diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c index efc1cd8c034..4b35166229f 100644 --- a/arch/powerpc/platforms/ps3/smp.c +++ b/arch/powerpc/platforms/ps3/smp.c @@ -57,7 +57,7 @@ static void ps3_smp_message_pass(int cpu, int msg) " (%d)\n", __func__, __LINE__, cpu, msg, result); } -static int ps3_smp_probe(void) +static int __init ps3_smp_probe(void) { int cpu; diff --git a/arch/powerpc/platforms/ps3/spu.c b/arch/powerpc/platforms/ps3/spu.c index 451fad1c92a..e17fa1432d8 100644 --- a/arch/powerpc/platforms/ps3/spu.c +++ b/arch/powerpc/platforms/ps3/spu.c @@ -154,7 +154,7 @@ static unsigned long get_vas_id(void) u64 id; lv1_get_logical_ppe_id(&id); - lv1_get_virtual_address_space_id_of_ppe(id, &id); + lv1_get_virtual_address_space_id_of_ppe(&id); return id; } diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig index c81f6bb9c10..ae7b6d41fed 100644 --- a/arch/powerpc/platforms/pseries/Kconfig +++ b/arch/powerpc/platforms/pseries/Kconfig @@ -120,3 +120,12 @@ config DTL which are accessible through a debugfs file. Say N if you are unsure. + +config PSERIES_IDLE + tristate "Cpuidle driver for pSeries platforms" + depends on CPU_IDLE + depends on PPC_PSERIES + default y + help + Select this option to enable processor idle state management + through cpuidle subsystem. diff --git a/arch/powerpc/platforms/pseries/Makefile b/arch/powerpc/platforms/pseries/Makefile index 3556e402cbf..236db46b407 100644 --- a/arch/powerpc/platforms/pseries/Makefile +++ b/arch/powerpc/platforms/pseries/Makefile @@ -22,6 +22,7 @@ obj-$(CONFIG_PHYP_DUMP) += phyp_dump.o obj-$(CONFIG_CMM) += cmm.o obj-$(CONFIG_DTL) += dtl.o obj-$(CONFIG_IO_EVENT_IRQ) += io_event_irq.o +obj-$(CONFIG_PSERIES_IDLE) += processor_idle.o ifeq ($(CONFIG_PPC_PSERIES),y) obj-$(CONFIG_SUSPEND) += suspend.o diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c index a76b22844d1..330a57b7c17 100644 --- a/arch/powerpc/platforms/pseries/nvram.c +++ b/arch/powerpc/platforms/pseries/nvram.c @@ -625,6 +625,8 @@ static void oops_to_nvram(struct kmsg_dumper *dumper, { static unsigned int oops_count = 0; static bool panicking = false; + static DEFINE_SPINLOCK(lock); + unsigned long flags; size_t text_len; unsigned int err_type = ERR_TYPE_KERNEL_PANIC_GZ; int rc = -1; @@ -655,6 +657,9 @@ static void oops_to_nvram(struct kmsg_dumper *dumper, if (clobbering_unread_rtas_event()) return; + if (!spin_trylock_irqsave(&lock, flags)) + return; + if (big_oops_buf) { text_len = capture_last_msgs(old_msgs, old_len, new_msgs, new_len, big_oops_buf, big_oops_buf_sz); @@ -670,4 +675,6 @@ static void oops_to_nvram(struct kmsg_dumper *dumper, (void) nvram_write_os_partition(&oops_log_partition, oops_buf, (int) (sizeof(*oops_len) + *oops_len), err_type, ++oops_count); + + spin_unlock_irqrestore(&lock, flags); } diff --git a/arch/powerpc/platforms/pseries/processor_idle.c b/arch/powerpc/platforms/pseries/processor_idle.c new file mode 100644 index 00000000000..085fd3f45ad --- /dev/null +++ b/arch/powerpc/platforms/pseries/processor_idle.c @@ -0,0 +1,329 @@ +/* + * processor_idle - idle state cpuidle driver. + * Adapted from drivers/idle/intel_idle.c and + * drivers/acpi/processor_idle.c + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/moduleparam.h> +#include <linux/cpuidle.h> +#include <linux/cpu.h> + +#include <asm/paca.h> +#include <asm/reg.h> +#include <asm/system.h> +#include <asm/machdep.h> +#include <asm/firmware.h> + +#include "plpar_wrappers.h" +#include "pseries.h" + +struct cpuidle_driver pseries_idle_driver = { + .name = "pseries_idle", + .owner = THIS_MODULE, +}; + +#define MAX_IDLE_STATE_COUNT 2 + +static int max_idle_state = MAX_IDLE_STATE_COUNT - 1; +static struct cpuidle_device __percpu *pseries_cpuidle_devices; +static struct cpuidle_state *cpuidle_state_table; + +void update_smt_snooze_delay(int snooze) +{ + struct cpuidle_driver *drv = cpuidle_get_driver(); + if (drv) + drv->states[0].target_residency = snooze; +} + +static inline void idle_loop_prolog(unsigned long *in_purr, ktime_t *kt_before) +{ + + *kt_before = ktime_get_real(); + *in_purr = mfspr(SPRN_PURR); + /* + * Indicate to the HV that we are idle. Now would be + * a good time to find other work to dispatch. + */ + get_lppaca()->idle = 1; +} + +static inline s64 idle_loop_epilog(unsigned long in_purr, ktime_t kt_before) +{ + get_lppaca()->wait_state_cycles += mfspr(SPRN_PURR) - in_purr; + get_lppaca()->idle = 0; + + return ktime_to_us(ktime_sub(ktime_get_real(), kt_before)); +} + +static int snooze_loop(struct cpuidle_device *dev, + struct cpuidle_driver *drv, + int index) +{ + unsigned long in_purr; + ktime_t kt_before; + unsigned long start_snooze; + long snooze = drv->states[0].target_residency; + + idle_loop_prolog(&in_purr, &kt_before); + + if (snooze) { + start_snooze = get_tb() + snooze * tb_ticks_per_usec; + local_irq_enable(); + set_thread_flag(TIF_POLLING_NRFLAG); + + while ((snooze < 0) || (get_tb() < start_snooze)) { + if (need_resched() || cpu_is_offline(dev->cpu)) + goto out; + ppc64_runlatch_off(); + HMT_low(); + HMT_very_low(); + } + + HMT_medium(); + clear_thread_flag(TIF_POLLING_NRFLAG); + smp_mb(); + local_irq_disable(); + } + +out: + HMT_medium(); + dev->last_residency = + (int)idle_loop_epilog(in_purr, kt_before); + return index; +} + +static int dedicated_cede_loop(struct cpuidle_device *dev, + struct cpuidle_driver *drv, + int index) +{ + unsigned long in_purr; + ktime_t kt_before; + + idle_loop_prolog(&in_purr, &kt_before); + get_lppaca()->donate_dedicated_cpu = 1; + + ppc64_runlatch_off(); + HMT_medium(); + cede_processor(); + + get_lppaca()->donate_dedicated_cpu = 0; + dev->last_residency = + (int)idle_loop_epilog(in_purr, kt_before); + return index; +} + +static int shared_cede_loop(struct cpuidle_device *dev, + struct cpuidle_driver *drv, + int index) +{ + unsigned long in_purr; + ktime_t kt_before; + + idle_loop_prolog(&in_purr, &kt_before); + + /* + * Yield the processor to the hypervisor. We return if + * an external interrupt occurs (which are driven prior + * to returning here) or if a prod occurs from another + * processor. When returning here, external interrupts + * are enabled. + */ + cede_processor(); + + dev->last_residency = + (int)idle_loop_epilog(in_purr, kt_before); + return index; +} + +/* + * States for dedicated partition case. + */ +static struct cpuidle_state dedicated_states[MAX_IDLE_STATE_COUNT] = { + { /* Snooze */ + .name = "snooze", + .desc = "snooze", + .flags = CPUIDLE_FLAG_TIME_VALID, + .exit_latency = 0, + .target_residency = 0, + .enter = &snooze_loop }, + { /* CEDE */ + .name = "CEDE", + .desc = "CEDE", + .flags = CPUIDLE_FLAG_TIME_VALID, + .exit_latency = 1, + .target_residency = 10, + .enter = &dedicated_cede_loop }, +}; + +/* + * States for shared partition case. + */ +static struct cpuidle_state shared_states[MAX_IDLE_STATE_COUNT] = { + { /* Shared Cede */ + .name = "Shared Cede", + .desc = "Shared Cede", + .flags = CPUIDLE_FLAG_TIME_VALID, + .exit_latency = 0, + .target_residency = 0, + .enter = &shared_cede_loop }, +}; + +int pseries_notify_cpuidle_add_cpu(int cpu) +{ + struct cpuidle_device *dev = + per_cpu_ptr(pseries_cpuidle_devices, cpu); + if (dev && cpuidle_get_driver()) { + cpuidle_disable_device(dev); + cpuidle_enable_device(dev); + } + return 0; +} + +/* + * pseries_cpuidle_driver_init() + */ +static int pseries_cpuidle_driver_init(void) +{ + int idle_state; + struct cpuidle_driver *drv = &pseries_idle_driver; + + drv->state_count = 0; + + for (idle_state = 0; idle_state < MAX_IDLE_STATE_COUNT; ++idle_state) { + + if (idle_state > max_idle_state) + break; + + /* is the state not enabled? */ + if (cpuidle_state_table[idle_state].enter == NULL) + continue; + + drv->states[drv->state_count] = /* structure copy */ + cpuidle_state_table[idle_state]; + + if (cpuidle_state_table == dedicated_states) + drv->states[drv->state_count].target_residency = + __get_cpu_var(smt_snooze_delay); + + drv->state_count += 1; + } + + return 0; +} + +/* pseries_idle_devices_uninit(void) + * unregister cpuidle devices and de-allocate memory + */ +static void pseries_idle_devices_uninit(void) +{ + int i; + struct cpuidle_device *dev; + + for_each_possible_cpu(i) { + dev = per_cpu_ptr(pseries_cpuidle_devices, i); + cpuidle_unregister_device(dev); + } + + free_percpu(pseries_cpuidle_devices); + return; +} + +/* pseries_idle_devices_init() + * allocate, initialize and register cpuidle device + */ +static int pseries_idle_devices_init(void) +{ + int i; + struct cpuidle_driver *drv = &pseries_idle_driver; + struct cpuidle_device *dev; + + pseries_cpuidle_devices = alloc_percpu(struct cpuidle_device); + if (pseries_cpuidle_devices == NULL) + return -ENOMEM; + + for_each_possible_cpu(i) { + dev = per_cpu_ptr(pseries_cpuidle_devices, i); + dev->state_count = drv->state_count; + dev->cpu = i; + if (cpuidle_register_device(dev)) { + printk(KERN_DEBUG \ + "cpuidle_register_device %d failed!\n", i); + return -EIO; + } + } + + return 0; +} + +/* + * pseries_idle_probe() + * Choose state table for shared versus dedicated partition + */ +static int pseries_idle_probe(void) +{ + + if (!firmware_has_feature(FW_FEATURE_SPLPAR)) + return -ENODEV; + + if (cpuidle_disable != IDLE_NO_OVERRIDE) + return -ENODEV; + + if (max_idle_state == 0) { + printk(KERN_DEBUG "pseries processor idle disabled.\n"); + return -EPERM; + } + + if (get_lppaca()->shared_proc) + cpuidle_state_table = shared_states; + else + cpuidle_state_table = dedicated_states; + + return 0; +} + +static int __init pseries_processor_idle_init(void) +{ + int retval; + + retval = pseries_idle_probe(); + if (retval) + return retval; + + pseries_cpuidle_driver_init(); + retval = cpuidle_register_driver(&pseries_idle_driver); + if (retval) { + printk(KERN_DEBUG "Registration of pseries driver failed.\n"); + return retval; + } + + retval = pseries_idle_devices_init(); + if (retval) { + pseries_idle_devices_uninit(); + cpuidle_unregister_driver(&pseries_idle_driver); + return retval; + } + + printk(KERN_DEBUG "pseries_idle_driver registered\n"); + + return 0; +} + +static void __exit pseries_processor_idle_exit(void) +{ + + pseries_idle_devices_uninit(); + cpuidle_unregister_driver(&pseries_idle_driver); + + return; +} + +module_init(pseries_processor_idle_init); +module_exit(pseries_processor_idle_exit); + +MODULE_AUTHOR("Deepthi Dharwar <deepthi@linux.vnet.ibm.com>"); +MODULE_DESCRIPTION("Cpuidle driver for POWER"); +MODULE_LICENSE("GPL"); diff --git a/arch/powerpc/platforms/pseries/pseries.h b/arch/powerpc/platforms/pseries/pseries.h index 24c7162f11d..9a3dda07566 100644 --- a/arch/powerpc/platforms/pseries/pseries.h +++ b/arch/powerpc/platforms/pseries/pseries.h @@ -57,4 +57,7 @@ extern struct device_node *dlpar_configure_connector(u32); extern int dlpar_attach_node(struct device_node *); extern int dlpar_detach_node(struct device_node *); +/* Snooze Delay, pseries_idle */ +DECLARE_PER_CPU(long, smt_snooze_delay); + #endif /* _PSERIES_PSERIES_H */ diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 992d797e07d..f79f1278dfc 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -39,6 +39,7 @@ #include <linux/irq.h> #include <linux/seq_file.h> #include <linux/root_dev.h> +#include <linux/cpuidle.h> #include <asm/mmu.h> #include <asm/processor.h> @@ -74,9 +75,6 @@ EXPORT_SYMBOL(CMO_PageSize); int fwnmi_active; /* TRUE if an FWNMI handler is present */ -static void pseries_shared_idle_sleep(void); -static void pseries_dedicated_idle_sleep(void); - static struct device_node *pSeries_mpic_node; static void pSeries_show_cpuinfo(struct seq_file *m) @@ -351,6 +349,21 @@ static int alloc_dispatch_log_kmem_cache(void) } early_initcall(alloc_dispatch_log_kmem_cache); +static void pSeries_idle(void) +{ + /* This would call on the cpuidle framework, and the back-end pseries + * driver to go to idle states + */ + if (cpuidle_idle_call()) { + /* On error, execute default handler + * to go into low thread priority and possibly + * low power mode. + */ + HMT_low(); + HMT_very_low(); + } +} + static void __init pSeries_setup_arch(void) { panic_timeout = 10; @@ -375,18 +388,9 @@ static void __init pSeries_setup_arch(void) pSeries_nvram_init(); - /* Choose an idle loop */ if (firmware_has_feature(FW_FEATURE_SPLPAR)) { vpa_init(boot_cpuid); - if (get_lppaca()->shared_proc) { - printk(KERN_DEBUG "Using shared processor idle loop\n"); - ppc_md.power_save = pseries_shared_idle_sleep; - } else { - printk(KERN_DEBUG "Using dedicated idle loop\n"); - ppc_md.power_save = pseries_dedicated_idle_sleep; - } - } else { - printk(KERN_DEBUG "Using default idle loop\n"); + ppc_md.power_save = pSeries_idle; } if (firmware_has_feature(FW_FEATURE_LPAR)) @@ -587,80 +591,6 @@ static int __init pSeries_probe(void) return 1; } - -DECLARE_PER_CPU(long, smt_snooze_delay); - -static void pseries_dedicated_idle_sleep(void) -{ - unsigned int cpu = smp_processor_id(); - unsigned long start_snooze; - unsigned long in_purr, out_purr; - long snooze = __get_cpu_var(smt_snooze_delay); - - /* - * Indicate to the HV that we are idle. Now would be - * a good time to find other work to dispatch. - */ - get_lppaca()->idle = 1; - get_lppaca()->donate_dedicated_cpu = 1; - in_purr = mfspr(SPRN_PURR); - - /* - * We come in with interrupts disabled, and need_resched() - * has been checked recently. If we should poll for a little - * while, do so. - */ - if (snooze) { - start_snooze = get_tb() + snooze * tb_ticks_per_usec; - local_irq_enable(); - set_thread_flag(TIF_POLLING_NRFLAG); - - while ((snooze < 0) || (get_tb() < start_snooze)) { - if (need_resched() || cpu_is_offline(cpu)) - goto out; - ppc64_runlatch_off(); - HMT_low(); - HMT_very_low(); - } - - HMT_medium(); - clear_thread_flag(TIF_POLLING_NRFLAG); - smp_mb(); - local_irq_disable(); - if (need_resched() || cpu_is_offline(cpu)) - goto out; - } - - cede_processor(); - -out: - HMT_medium(); - out_purr = mfspr(SPRN_PURR); - get_lppaca()->wait_state_cycles += out_purr - in_purr; - get_lppaca()->donate_dedicated_cpu = 0; - get_lppaca()->idle = 0; -} - -static void pseries_shared_idle_sleep(void) -{ - /* - * Indicate to the HV that we are idle. Now would be - * a good time to find other work to dispatch. - */ - get_lppaca()->idle = 1; - - /* - * Yield the processor to the hypervisor. We return if - * an external interrupt occurs (which are driven prior - * to returning here) or if a prod occurs from another - * processor. When returning here, external interrupts - * are enabled. - */ - cede_processor(); - - get_lppaca()->idle = 0; -} - static int pSeries_pci_probe_mode(struct pci_bus *bus) { if (firmware_has_feature(FW_FEATURE_LPAR)) diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c index 26e93fd4c62..bbc3c42f673 100644 --- a/arch/powerpc/platforms/pseries/smp.c +++ b/arch/powerpc/platforms/pseries/smp.c @@ -148,6 +148,7 @@ static void __devinit smp_xics_setup_cpu(int cpu) set_cpu_current_state(cpu, CPU_STATE_ONLINE); set_default_offline_state(cpu); #endif + pseries_notify_cpuidle_add_cpu(cpu); } static int __devinit smp_pSeries_kick_cpu(int nr) diff --git a/drivers/net/ethernet/toshiba/ps3_gelic_net.c b/drivers/net/ethernet/toshiba/ps3_gelic_net.c index 7bf1e201578..5ee82a77723 100644 --- a/drivers/net/ethernet/toshiba/ps3_gelic_net.c +++ b/drivers/net/ethernet/toshiba/ps3_gelic_net.c @@ -640,7 +640,7 @@ static inline void gelic_card_disable_rxdmac(struct gelic_card *card) int status; /* this hvc blocks until the DMA in progress really stopped */ - status = lv1_net_stop_rx_dma(bus_id(card), dev_id(card), 0); + status = lv1_net_stop_rx_dma(bus_id(card), dev_id(card)); if (status) dev_err(ctodev(card), "lv1_net_stop_rx_dma failed, %d\n", status); @@ -658,7 +658,7 @@ static inline void gelic_card_disable_txdmac(struct gelic_card *card) int status; /* this hvc blocks until the DMA in progress really stopped */ - status = lv1_net_stop_tx_dma(bus_id(card), dev_id(card), 0); + status = lv1_net_stop_tx_dma(bus_id(card), dev_id(card)); if (status) dev_err(ctodev(card), "lv1_net_stop_tx_dma failed, status=%d\n", status); diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c index 5acd24a27d0..51941f02e93 100644 --- a/drivers/tty/serial/pmac_zilog.c +++ b/drivers/tty/serial/pmac_zilog.c @@ -216,6 +216,18 @@ static void pmz_maybe_update_regs(struct uart_pmac_port *uap) } } +static void pmz_interrupt_control(struct uart_pmac_port *uap, int enable) +{ + if (enable) { + uap->curregs[1] |= INT_ALL_Rx | TxINT_ENAB; + if (!ZS_IS_EXTCLK(uap)) + uap->curregs[1] |= EXT_INT_ENAB; + } else { + uap->curregs[1] &= ~(EXT_INT_ENAB | TxINT_ENAB | RxINT_MASK); + } + write_zsreg(uap, R1, uap->curregs[1]); +} + static struct tty_struct *pmz_receive_chars(struct uart_pmac_port *uap) { struct tty_struct *tty = NULL; @@ -339,9 +351,7 @@ static struct tty_struct *pmz_receive_chars(struct uart_pmac_port *uap) return tty; flood: - uap->curregs[R1] &= ~(EXT_INT_ENAB | TxINT_ENAB | RxINT_MASK); - write_zsreg(uap, R1, uap->curregs[R1]); - zssync(uap); + pmz_interrupt_control(uap, 0); pmz_error("pmz: rx irq flood !\n"); return tty; } @@ -990,12 +1000,9 @@ static int pmz_startup(struct uart_port *port) if (ZS_IS_IRDA(uap)) pmz_irda_reset(uap); - /* Enable interrupts emission from the chip */ + /* Enable interrupt requests for the channel */ spin_lock_irqsave(&port->lock, flags); - uap->curregs[R1] |= INT_ALL_Rx | TxINT_ENAB; - if (!ZS_IS_EXTCLK(uap)) - uap->curregs[R1] |= EXT_INT_ENAB; - write_zsreg(uap, R1, uap->curregs[R1]); + pmz_interrupt_control(uap, 1); spin_unlock_irqrestore(&port->lock, flags); pmz_debug("pmz: startup() done.\n"); @@ -1015,6 +1022,25 @@ static void pmz_shutdown(struct uart_port *port) mutex_lock(&pmz_irq_mutex); + spin_lock_irqsave(&port->lock, flags); + + if (!ZS_IS_ASLEEP(uap)) { + /* Disable interrupt requests for the channel */ + pmz_interrupt_control(uap, 0); + + if (!ZS_IS_CONS(uap)) { + /* Disable receiver and transmitter */ + uap->curregs[R3] &= ~RxENABLE; + uap->curregs[R5] &= ~TxENABLE; + + /* Disable break assertion */ + uap->curregs[R5] &= ~SND_BRK; + pmz_maybe_update_regs(uap); + } + } + + spin_unlock_irqrestore(&port->lock, flags); + /* Release interrupt handler */ free_irq(uap->port.irq, uap); @@ -1025,29 +1051,8 @@ static void pmz_shutdown(struct uart_port *port) if (!ZS_IS_OPEN(uap->mate)) pmz_get_port_A(uap)->flags &= ~PMACZILOG_FLAG_IS_IRQ_ON; - /* Disable interrupts */ - if (!ZS_IS_ASLEEP(uap)) { - uap->curregs[R1] &= ~(EXT_INT_ENAB | TxINT_ENAB | RxINT_MASK); - write_zsreg(uap, R1, uap->curregs[R1]); - zssync(uap); - } - - if (ZS_IS_CONS(uap) || ZS_IS_ASLEEP(uap)) { - spin_unlock_irqrestore(&port->lock, flags); - mutex_unlock(&pmz_irq_mutex); - return; - } - - /* Disable receiver and transmitter. */ - uap->curregs[R3] &= ~RxENABLE; - uap->curregs[R5] &= ~TxENABLE; - - /* Disable all interrupts and BRK assertion. */ - uap->curregs[R5] &= ~SND_BRK; - pmz_maybe_update_regs(uap); - - /* Shut the chip down */ - pmz_set_scc_power(uap, 0); + if (!ZS_IS_ASLEEP(uap) && !ZS_IS_CONS(uap)) + pmz_set_scc_power(uap, 0); /* Shut the chip down */ spin_unlock_irqrestore(&port->lock, flags); @@ -1352,19 +1357,15 @@ static void pmz_set_termios(struct uart_port *port, struct ktermios *termios, spin_lock_irqsave(&port->lock, flags); /* Disable IRQs on the port */ - uap->curregs[R1] &= ~(EXT_INT_ENAB | TxINT_ENAB | RxINT_MASK); - write_zsreg(uap, R1, uap->curregs[R1]); + pmz_interrupt_control(uap, 0); /* Setup new port configuration */ __pmz_set_termios(port, termios, old); /* Re-enable IRQs on the port */ - if (ZS_IS_OPEN(uap)) { - uap->curregs[R1] |= INT_ALL_Rx | TxINT_ENAB; - if (!ZS_IS_EXTCLK(uap)) - uap->curregs[R1] |= EXT_INT_ENAB; - write_zsreg(uap, R1, uap->curregs[R1]); - } + if (ZS_IS_OPEN(uap)) + pmz_interrupt_control(uap, 1); + spin_unlock_irqrestore(&port->lock, flags); } @@ -1671,14 +1672,17 @@ static int pmz_suspend(struct macio_dev *mdev, pm_message_t pm_state) spin_lock_irqsave(&uap->port.lock, flags); if (ZS_IS_OPEN(uap) || ZS_IS_CONS(uap)) { - /* Disable receiver and transmitter. */ + /* Disable interrupt requests for the channel */ + pmz_interrupt_control(uap, 0); + + /* Disable receiver and transmitter */ uap->curregs[R3] &= ~RxENABLE; uap->curregs[R5] &= ~TxENABLE; - /* Disable all interrupts and BRK assertion. */ - uap->curregs[R1] &= ~(EXT_INT_ENAB | TxINT_ENAB | RxINT_MASK); + /* Disable break assertion */ uap->curregs[R5] &= ~SND_BRK; pmz_load_zsregs(uap, uap->curregs); + uap->flags |= PMACZILOG_FLAG_IS_ASLEEP; mb(); } @@ -1738,14 +1742,6 @@ static int pmz_resume(struct macio_dev *mdev) /* Take care of config that may have changed while asleep */ __pmz_set_termios(&uap->port, &uap->termios_cache, NULL); - if (ZS_IS_OPEN(uap)) { - /* Enable interrupts */ - uap->curregs[R1] |= INT_ALL_Rx | TxINT_ENAB; - if (!ZS_IS_EXTCLK(uap)) - uap->curregs[R1] |= EXT_INT_ENAB; - write_zsreg(uap, R1, uap->curregs[R1]); - } - spin_unlock_irqrestore(&uap->port.lock, flags); if (ZS_IS_CONS(uap)) @@ -1757,6 +1753,12 @@ static int pmz_resume(struct macio_dev *mdev) enable_irq(uap->port.irq); } + if (ZS_IS_OPEN(uap)) { + spin_lock_irqsave(&uap->port.lock, flags); + pmz_interrupt_control(uap, 1); + spin_unlock_irqrestore(&uap->port.lock, flags); + } + bail: mutex_unlock(&state->port.mutex); mutex_unlock(&pmz_irq_mutex); diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h index 7408af843b8..23f81de5182 100644 --- a/include/linux/cpuidle.h +++ b/include/linux/cpuidle.h @@ -130,7 +130,6 @@ struct cpuidle_driver { #ifdef CONFIG_CPU_IDLE extern void disable_cpuidle(void); extern int cpuidle_idle_call(void); - extern int cpuidle_register_driver(struct cpuidle_driver *drv); struct cpuidle_driver *cpuidle_get_driver(void); extern void cpuidle_unregister_driver(struct cpuidle_driver *drv); @@ -145,7 +144,6 @@ extern void cpuidle_disable_device(struct cpuidle_device *dev); #else static inline void disable_cpuidle(void) { } static inline int cpuidle_idle_call(void) { return -ENODEV; } - static inline int cpuidle_register_driver(struct cpuidle_driver *drv) {return -ENODEV; } static inline struct cpuidle_driver *cpuidle_get_driver(void) {return NULL; } |