diff options
Diffstat (limited to 'arch/powerpc')
-rw-r--r-- | arch/powerpc/boot/Makefile | 16 | ||||
-rw-r--r-- | arch/powerpc/configs/maple_defconfig | 56 | ||||
-rw-r--r-- | arch/powerpc/platforms/maple/pci.c | 187 | ||||
-rw-r--r-- | arch/powerpc/platforms/powermac/smp.c | 7 | ||||
-rw-r--r-- | arch/powerpc/xmon/xmon.c | 6 |
5 files changed, 241 insertions, 31 deletions
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 003520b5630..37ddfcab000 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -105,10 +105,10 @@ wrapperbits := $(extra-y) $(addprefix $(obj)/,addnote hack-coff) # Bits for building various flavours of zImage ifneq ($(CROSS32_COMPILE),) -CROSSWRAP := -C $(CROSS32_COMPILE) +CROSSWRAP := -C "$(CROSS32_COMPILE)" else ifneq ($(CROSS_COMPILE),) -CROSSWRAP := -C $(CROSS_COMPILE) +CROSSWRAP := -C "$(CROSS_COMPILE)" endif endif @@ -151,12 +151,12 @@ $(obj)/zImage.initrd.miboot: vmlinux $(wrapperbits) $(obj)/uImage: vmlinux $(wrapperbits) $(call cmd,wrap,uboot) -image-$(CONFIG_PPC_PSERIES) += zImage.pseries -image-$(CONFIG_PPC_MAPLE) += zImage.pseries -image-$(CONFIG_PPC_CELL) += zImage.pseries -image-$(CONFIG_PPC_CHRP) += zImage.chrp -image-$(CONFIG_PPC_PMAC) += zImage.pmac -image-$(CONFIG_DEFAULT_UIMAGE) += uImage +image-$(CONFIG_PPC_PSERIES) += zImage.pseries +image-$(CONFIG_PPC_MAPLE) += zImage.pseries +image-$(CONFIG_PPC_IBM_CELL_BLADE) += zImage.pseries +image-$(CONFIG_PPC_CHRP) += zImage.chrp +image-$(CONFIG_PPC_PMAC) += zImage.pmac +image-$(CONFIG_DEFAULT_UIMAGE) += uImage # For 32-bit powermacs, build the COFF and miboot images # as well as the ELF images. diff --git a/arch/powerpc/configs/maple_defconfig b/arch/powerpc/configs/maple_defconfig index 62ba66091a1..ae96a5b2f00 100644 --- a/arch/powerpc/configs/maple_defconfig +++ b/arch/powerpc/configs/maple_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.18-rc6 -# Sun Sep 10 10:24:55 2006 +# Linux kernel version: 2.6.18 +# Mon Oct 9 11:59:34 2006 # CONFIG_PPC64=y CONFIG_64BIT=y @@ -22,6 +22,7 @@ CONFIG_ARCH_MAY_HAVE_PC_FDC=y CONFIG_PPC_OF=y CONFIG_PPC_UDBG_16550=y CONFIG_GENERIC_TBSYNC=y +CONFIG_AUDIT_ARCH=y # CONFIG_DEFAULT_UIMAGE is not set # @@ -34,7 +35,7 @@ CONFIG_PPC_FPU=y CONFIG_PPC_STD_MMU=y CONFIG_VIRT_CPU_ACCOUNTING=y CONFIG_SMP=y -CONFIG_NR_CPUS=2 +CONFIG_NR_CPUS=4 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # @@ -51,10 +52,11 @@ CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set -CONFIG_SYSCTL=y +# CONFIG_UTS_NS is not set # CONFIG_AUDIT is not set CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y @@ -62,7 +64,9 @@ CONFIG_IKCONFIG_PROC=y # CONFIG_RELAY is not set CONFIG_INITRAMFS_SOURCE="" CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_SYSCTL=y # CONFIG_EMBEDDED is not set +# CONFIG_SYSCTL_SYSCALL is not set CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y # CONFIG_KALLSYMS_EXTRA_PASS is not set @@ -71,12 +75,12 @@ CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y -CONFIG_RT_MUTEXES=y CONFIG_FUTEX=y CONFIG_EPOLL=y CONFIG_SHMEM=y CONFIG_SLAB=y CONFIG_VM_EVENT_COUNTERS=y +CONFIG_RT_MUTEXES=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 # CONFIG_SLOB is not set @@ -95,6 +99,7 @@ CONFIG_STOP_MACHINE=y # # Block layer # +CONFIG_BLOCK=y # CONFIG_BLK_DEV_IO_TRACE is not set # @@ -114,16 +119,16 @@ CONFIG_DEFAULT_IOSCHED="anticipatory" # Platform support # CONFIG_PPC_MULTIPLATFORM=y -# CONFIG_PPC_ISERIES is not set # CONFIG_EMBEDDED6xx is not set # CONFIG_APUS is not set # CONFIG_PPC_PSERIES is not set +# CONFIG_PPC_ISERIES is not set # CONFIG_PPC_PMAC is not set CONFIG_PPC_MAPLE=y +# CONFIG_PPC_PASEMI is not set # CONFIG_PPC_CELL is not set # CONFIG_PPC_CELL_NATIVE is not set # CONFIG_PPC_IBM_CELL_BLADE is not set -# CONFIG_UDBG_RTAS_CONSOLE is not set CONFIG_U3_DART=y # CONFIG_PPC_RTAS is not set # CONFIG_MMIO_NVRAM is not set @@ -157,6 +162,7 @@ CONFIG_IRQ_ALL_CPUS=y CONFIG_ARCH_SELECT_MEMORY_MODEL=y CONFIG_ARCH_FLATMEM_ENABLE=y CONFIG_ARCH_SPARSEMEM_ENABLE=y +CONFIG_ARCH_POPULATES_NODE_MAP=y CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y # CONFIG_DISCONTIGMEM_MANUAL is not set @@ -184,6 +190,7 @@ CONFIG_GENERIC_ISA_DMA=y CONFIG_PCI=y CONFIG_PCI_DOMAINS=y # CONFIG_PCIEPORTBUS is not set +# CONFIG_PCI_MULTITHREAD_PROBE is not set # CONFIG_PCI_DEBUG is not set # @@ -211,6 +218,7 @@ CONFIG_PACKET_MMAP=y CONFIG_UNIX=y CONFIG_XFRM=y CONFIG_XFRM_USER=m +# CONFIG_XFRM_SUB_POLICY is not set # CONFIG_NET_KEY is not set CONFIG_INET=y CONFIG_IP_MULTICAST=y @@ -232,10 +240,12 @@ CONFIG_IP_PNP_DHCP=y # CONFIG_INET_TUNNEL is not set CONFIG_INET_XFRM_MODE_TRANSPORT=y CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y CONFIG_INET_DIAG=y CONFIG_INET_TCP_DIAG=y # CONFIG_TCP_CONG_ADVANCED is not set -CONFIG_TCP_CONG_BIC=y +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_IPV6 is not set # CONFIG_INET6_XFRM_TUNNEL is not set # CONFIG_INET6_TUNNEL is not set @@ -265,7 +275,6 @@ CONFIG_TCP_CONG_BIC=y # CONFIG_ATALK is not set # CONFIG_X25 is not set # CONFIG_LAPB is not set -# CONFIG_NET_DIVERT is not set # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set @@ -377,6 +386,7 @@ CONFIG_BLK_DEV_AMD74XX=y # CONFIG_BLK_DEV_CS5530 is not set # CONFIG_BLK_DEV_HPT34X is not set # CONFIG_BLK_DEV_HPT366 is not set +# CONFIG_BLK_DEV_JMICRON is not set # CONFIG_BLK_DEV_SC1200 is not set # CONFIG_BLK_DEV_PIIX is not set # CONFIG_BLK_DEV_IT821X is not set @@ -399,6 +409,12 @@ CONFIG_IDEDMA_AUTO=y # # CONFIG_RAID_ATTRS is not set # CONFIG_SCSI is not set +# CONFIG_SCSI_NETLINK is not set + +# +# Serial ATA (prod) and Parallel ATA (experimental) drivers +# +# CONFIG_ATA is not set # # Multi-device support (RAID and LVM) @@ -498,7 +514,7 @@ CONFIG_E1000=y # CONFIG_VIA_VELOCITY is not set CONFIG_TIGON3=y # CONFIG_BNX2 is not set -# CONFIG_MV643XX_ETH is not set +# CONFIG_QLA3XXX is not set # # Ethernet (10000 Mbit) @@ -545,6 +561,7 @@ CONFIG_TIGON3=y # Input device support # CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set # # Userland interfaces @@ -704,6 +721,7 @@ CONFIG_I2C_AMD8111=y # # Misc devices # +# CONFIG_TIFM_CORE is not set # # Multimedia devices @@ -779,7 +797,6 @@ CONFIG_USB_UHCI_HCD=y # # may also be needed; see USB_STORAGE Help for more information # -# CONFIG_USB_STORAGE is not set # CONFIG_USB_LIBUSUAL is not set # @@ -802,6 +819,7 @@ CONFIG_USB_HIDINPUT=y # CONFIG_USB_ATI_REMOTE2 is not set # CONFIG_USB_KEYSPAN_REMOTE is not set # CONFIG_USB_APPLETOUCH is not set +# CONFIG_USB_TRANCEVIBRATOR is not set # # USB Imaging devices @@ -828,6 +846,7 @@ CONFIG_USB_MON=y CONFIG_USB_SERIAL=y # CONFIG_USB_SERIAL_CONSOLE is not set CONFIG_USB_SERIAL_GENERIC=y +# CONFIG_USB_SERIAL_AIRCABLE is not set # CONFIG_USB_SERIAL_AIRPRIME is not set # CONFIG_USB_SERIAL_ARK3116 is not set # CONFIG_USB_SERIAL_BELKIN is not set @@ -862,6 +881,7 @@ CONFIG_USB_SERIAL_KEYSPAN_USA49WLC=y # CONFIG_USB_SERIAL_KLSI is not set # CONFIG_USB_SERIAL_KOBIL_SCT is not set # CONFIG_USB_SERIAL_MCT_U232 is not set +# CONFIG_USB_SERIAL_MOS7840 is not set # CONFIG_USB_SERIAL_NAVMAN is not set # CONFIG_USB_SERIAL_PL2303 is not set # CONFIG_USB_SERIAL_HP4X is not set @@ -879,6 +899,7 @@ CONFIG_USB_EZUSB=y # # CONFIG_USB_EMI62 is not set # CONFIG_USB_EMI26 is not set +# CONFIG_USB_ADUTUX is not set # CONFIG_USB_AUERSWALD is not set # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set @@ -886,9 +907,9 @@ CONFIG_USB_EZUSB=y # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set -# CONFIG_USB_PHIDGETKIT is not set -# CONFIG_USB_PHIDGETSERVO is not set +# CONFIG_USB_PHIDGET is not set # CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set # CONFIG_USB_APPLEDISPLAY is not set # CONFIG_USB_SISUSBVGA is not set # CONFIG_USB_LD is not set @@ -995,8 +1016,10 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y CONFIG_SYSFS=y CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set CONFIG_HUGETLBFS=y CONFIG_HUGETLB_PAGE=y CONFIG_RAMFS=y @@ -1129,6 +1152,7 @@ CONFIG_PLIST=y # Kernel hacking # # CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_MUST_CHECK=y CONFIG_MAGIC_SYSRQ=y # CONFIG_UNUSED_SYMBOLS is not set CONFIG_DEBUG_KERNEL=y @@ -1148,6 +1172,7 @@ CONFIG_DEBUG_SPINLOCK_SLEEP=y # CONFIG_DEBUG_INFO is not set CONFIG_DEBUG_FS=y # CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_LIST is not set # CONFIG_FORCED_INLINING is not set # CONFIG_RCU_TORTURE_TEST is not set CONFIG_DEBUG_STACKOVERFLOW=y @@ -1169,6 +1194,9 @@ CONFIG_BOOTX_TEXT=y # Cryptographic options # CONFIG_CRYPTO=y +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_BLKCIPHER=m +CONFIG_CRYPTO_MANAGER=m # CONFIG_CRYPTO_HMAC is not set # CONFIG_CRYPTO_NULL is not set # CONFIG_CRYPTO_MD4 is not set @@ -1178,6 +1206,8 @@ CONFIG_CRYPTO_MD5=y # CONFIG_CRYPTO_SHA512 is not set # CONFIG_CRYPTO_WP512 is not set # CONFIG_CRYPTO_TGR192 is not set +CONFIG_CRYPTO_ECB=m +CONFIG_CRYPTO_CBC=m CONFIG_CRYPTO_DES=y # CONFIG_CRYPTO_BLOWFISH is not set # CONFIG_CRYPTO_TWOFISH is not set diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c index 1b827618e05..63b4d1bff35 100644 --- a/arch/powerpc/platforms/maple/pci.c +++ b/arch/powerpc/platforms/maple/pci.c @@ -8,7 +8,7 @@ * 2 of the License, or (at your option) any later version. */ -#define DEBUG +#undef DEBUG #include <linux/kernel.h> #include <linux/pci.h> @@ -16,6 +16,7 @@ #include <linux/string.h> #include <linux/init.h> #include <linux/bootmem.h> +#include <linux/irq.h> #include <asm/sections.h> #include <asm/io.h> @@ -33,7 +34,7 @@ #define DBG(x...) #endif -static struct pci_controller *u3_agp, *u3_ht; +static struct pci_controller *u3_agp, *u3_ht, *u4_pcie; static int __init fixup_one_level_bus_range(struct device_node *node, int higher) { @@ -287,6 +288,114 @@ static struct pci_ops u3_ht_pci_ops = u3_ht_write_config }; +static unsigned int u4_pcie_cfa0(unsigned int devfn, unsigned int off) +{ + return (1 << PCI_SLOT(devfn)) | + (PCI_FUNC(devfn) << 8) | + ((off >> 8) << 28) | + (off & 0xfcu); +} + +static unsigned int u4_pcie_cfa1(unsigned int bus, unsigned int devfn, + unsigned int off) +{ + return (bus << 16) | + (devfn << 8) | + ((off >> 8) << 28) | + (off & 0xfcu) | 1u; +} + +static volatile void __iomem *u4_pcie_cfg_access(struct pci_controller* hose, + u8 bus, u8 dev_fn, int offset) +{ + unsigned int caddr; + + if (bus == hose->first_busno) + caddr = u4_pcie_cfa0(dev_fn, offset); + else + caddr = u4_pcie_cfa1(bus, dev_fn, offset); + + /* Uninorth will return garbage if we don't read back the value ! */ + do { + out_le32(hose->cfg_addr, caddr); + } while (in_le32(hose->cfg_addr) != caddr); + + offset &= 0x03; + return hose->cfg_data + offset; +} + +static int u4_pcie_read_config(struct pci_bus *bus, unsigned int devfn, + int offset, int len, u32 *val) +{ + struct pci_controller *hose; + volatile void __iomem *addr; + + hose = pci_bus_to_host(bus); + if (hose == NULL) + return PCIBIOS_DEVICE_NOT_FOUND; + if (offset >= 0x1000) + return PCIBIOS_BAD_REGISTER_NUMBER; + addr = u4_pcie_cfg_access(hose, bus->number, devfn, offset); + if (!addr) + return PCIBIOS_DEVICE_NOT_FOUND; + /* + * Note: the caller has already checked that offset is + * suitably aligned and that len is 1, 2 or 4. + */ + switch (len) { + case 1: + *val = in_8(addr); + break; + case 2: + *val = in_le16(addr); + break; + default: + *val = in_le32(addr); + break; + } + return PCIBIOS_SUCCESSFUL; +} +static int u4_pcie_write_config(struct pci_bus *bus, unsigned int devfn, + int offset, int len, u32 val) +{ + struct pci_controller *hose; + volatile void __iomem *addr; + + hose = pci_bus_to_host(bus); + if (hose == NULL) + return PCIBIOS_DEVICE_NOT_FOUND; + if (offset >= 0x1000) + return PCIBIOS_BAD_REGISTER_NUMBER; + addr = u4_pcie_cfg_access(hose, bus->number, devfn, offset); + if (!addr) + return PCIBIOS_DEVICE_NOT_FOUND; + /* + * Note: the caller has already checked that offset is + * suitably aligned and that len is 1, 2 or 4. + */ + switch (len) { + case 1: + out_8(addr, val); + (void) in_8(addr); + break; + case 2: + out_le16(addr, val); + (void) in_le16(addr); + break; + default: + out_le32(addr, val); + (void) in_le32(addr); + break; + } + return PCIBIOS_SUCCESSFUL; +} + +static struct pci_ops u4_pcie_pci_ops = +{ + u4_pcie_read_config, + u4_pcie_write_config +}; + static void __init setup_u3_agp(struct pci_controller* hose) { /* On G5, we move AGP up to high bus number so we don't need @@ -307,6 +416,26 @@ static void __init setup_u3_agp(struct pci_controller* hose) u3_agp = hose; } +static void __init setup_u4_pcie(struct pci_controller* hose) +{ + /* We currently only implement the "non-atomic" config space, to + * be optimised later. + */ + hose->ops = &u4_pcie_pci_ops; + hose->cfg_addr = ioremap(0xf0000000 + 0x800000, 0x1000); + hose->cfg_data = ioremap(0xf0000000 + 0xc00000, 0x1000); + + /* The bus contains a bridge from root -> device, we need to + * make it visible on bus 0 so that we pick the right type + * of config cycles. If we didn't, we would have to force all + * config cycles to be type 1. So we override the "bus-range" + * property here + */ + hose->first_busno = 0x00; + hose->last_busno = 0xff; + u4_pcie = hose; +} + static void __init setup_u3_ht(struct pci_controller* hose) { hose->ops = &u3_ht_pci_ops; @@ -354,6 +483,10 @@ static int __init add_bridge(struct device_node *dev) setup_u3_ht(hose); disp_name = "U3-HT"; primary = 1; + } else if (device_is_compatible(dev, "u4-pcie")) { + setup_u4_pcie(hose); + disp_name = "U4-PCIE"; + primary = 0; } printk(KERN_INFO "Found %s PCI host bridge. Firmware bus number: %d->%d\n", disp_name, hose->first_busno, hose->last_busno); @@ -361,7 +494,6 @@ static int __init add_bridge(struct device_node *dev) /* Interpret the "ranges" property */ /* This also maps the I/O region and sets isa_io/mem_base */ pci_process_bridge_OF_ranges(hose, dev, primary); - pci_setup_phb_io(hose, primary); /* Fixup "bus-range" OF property */ fixup_bus_range(dev); @@ -376,8 +508,30 @@ void __init maple_pcibios_fixup(void) DBG(" -> maple_pcibios_fixup\n"); - for_each_pci_dev(dev) + for_each_pci_dev(dev) { + /* Fixup IRQ for PCIe host */ + if (u4_pcie != NULL && dev->bus->number == 0 && + pci_bus_to_host(dev->bus) == u4_pcie) { + printk(KERN_DEBUG "Fixup U4 PCIe IRQ\n"); + dev->irq = irq_create_mapping(NULL, 1); + if (dev->irq != NO_IRQ) + set_irq_type(dev->irq, IRQ_TYPE_LEVEL_LOW); + continue; + } + + /* Hide AMD8111 IDE interrupt when in legacy mode so + * the driver calls pci_get_legacy_ide_irq() + */ + if (dev->vendor == PCI_VENDOR_ID_AMD && + dev->device == PCI_DEVICE_ID_AMD_8111_IDE && + (dev->class & 5) != 5) { + dev->irq = NO_IRQ; + continue; + } + + /* For all others, map the interrupt from the device-tree */ pci_read_irq_line(dev); + } DBG(" <- maple_pcibios_fixup\n"); } @@ -388,8 +542,10 @@ static void __init maple_fixup_phb_resources(void) list_for_each_entry_safe(hose, tmp, &hose_list, list_node) { unsigned long offset = (unsigned long)hose->io_base_virt - pci_io_base; + hose->io_resource.start += offset; hose->io_resource.end += offset; + printk(KERN_INFO "PCI Host %d, io start: %llx; io end: %llx\n", hose->global_number, (unsigned long long)hose->io_resource.start, @@ -431,6 +587,19 @@ void __init maple_pci_init(void) if (ht && add_bridge(ht) != 0) of_node_put(ht); + /* + * We need to call pci_setup_phb_io for the HT bridge first + * so it gets the I/O port numbers starting at 0, and we + * need to call it for the AGP bridge after that so it gets + * small positive I/O port numbers. + */ + if (u3_ht) + pci_setup_phb_io(u3_ht, 1); + if (u3_agp) + pci_setup_phb_io(u3_agp, 0); + if (u4_pcie) + pci_setup_phb_io(u4_pcie, 0); + /* Fixup the IO resources on our host bridges as the common code * does it only for childs of the host bridges */ @@ -465,8 +634,11 @@ int maple_pci_get_legacy_ide_irq(struct pci_dev *pdev, int channel) return defirq; np = pci_device_to_OF_node(pdev); - if (np == NULL) + if (np == NULL) { + printk("Failed to locate OF node for IDE %s\n", + pci_name(pdev)); return defirq; + } irq = irq_of_parse_and_map(np, channel & 0x1); if (irq == NO_IRQ) { printk("Failed to map onboard IDE interrupt for channel %d\n", @@ -479,6 +651,9 @@ int maple_pci_get_legacy_ide_irq(struct pci_dev *pdev, int channel) /* XXX: To remove once all firmwares are ok */ static void fixup_maple_ide(struct pci_dev* dev) { + if (!machine_is(maple)) + return; + #if 0 /* Enable this to enable IDE port 0 */ { u8 v; @@ -495,7 +670,7 @@ static void fixup_maple_ide(struct pci_dev* dev) dev->resource[4].start = 0xcc00; dev->resource[4].end = 0xcc10; #endif -#if 1 /* Enable this to fixup IDE sense/polarity of irqs in IO-APICs */ +#if 0 /* Enable this to fixup IDE sense/polarity of irqs in IO-APICs */ { struct pci_dev *apicdev; u32 v; diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c index 574cd205b30..eeb2ae5ffc5 100644 --- a/arch/powerpc/platforms/powermac/smp.c +++ b/arch/powerpc/platforms/powermac/smp.c @@ -328,6 +328,7 @@ static void __init smp_psurge_kick_cpu(int nr) { unsigned long start = __pa(__secondary_start_pmac_0) + nr * 8; unsigned long a; + int i; /* may need to flush here if secondary bats aren't setup */ for (a = KERNELBASE; a < KERNELBASE + 0x800000; a += 32) @@ -340,7 +341,11 @@ static void __init smp_psurge_kick_cpu(int nr) mb(); psurge_set_ipi(nr); - udelay(10); + /* + * We can't use udelay here because the timebase is now frozen. + */ + for (i = 0; i < 2000; ++i) + barrier(); psurge_clr_ipi(nr); if (ppc_md.progress) ppc_md.progress("smp_psurge_kick_cpu - done", 0x354); diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index 5a854f36383..f56ffef4def 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -36,6 +36,7 @@ #include <asm/rtas.h> #include <asm/sstep.h> #include <asm/bug.h> +#include <asm/irq_regs.h> #ifdef CONFIG_PPC64 #include <asm/hvcall.h> @@ -521,13 +522,12 @@ int xmon(struct pt_regs *excp) } EXPORT_SYMBOL(xmon); -irqreturn_t -xmon_irq(int irq, void *d, struct pt_regs *regs) +irqreturn_t xmon_irq(int irq, void *d) { unsigned long flags; local_irq_save(flags); printf("Keyboard interrupt\n"); - xmon(regs); + xmon(get_irq_regs()); local_irq_restore(flags); return IRQ_HANDLED; } |