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-rw-r--r--arch/powerpc/Kconfig4
-rw-r--r--arch/powerpc/Makefile49
-rw-r--r--arch/powerpc/boot/dts/bluestone.dts25
-rw-r--r--arch/powerpc/configs/g5_defconfig1
-rw-r--r--arch/powerpc/configs/maple_defconfig1
-rw-r--r--arch/powerpc/configs/pasemi_defconfig1
-rw-r--r--arch/powerpc/configs/ps3_defconfig6
-rw-r--r--arch/powerpc/include/asm/asm-compat.h11
-rw-r--r--arch/powerpc/include/asm/cputhreads.h2
-rw-r--r--arch/powerpc/include/asm/hvcall.h25
-rw-r--r--arch/powerpc/include/asm/lppaca.h196
-rw-r--r--arch/powerpc/include/asm/lv1call.h4
-rw-r--r--arch/powerpc/include/asm/pSeries_reconfig.h12
-rw-r--r--arch/powerpc/include/asm/ppc_asm.h10
-rw-r--r--arch/powerpc/include/asm/ptrace.h6
-rw-r--r--arch/powerpc/include/asm/switch_to.h6
-rw-r--r--arch/powerpc/include/asm/thread_info.h1
-rw-r--r--arch/powerpc/include/asm/vio.h46
-rw-r--r--arch/powerpc/kernel/asm-offsets.c4
-rw-r--r--arch/powerpc/kernel/entry_64.S30
-rw-r--r--arch/powerpc/kernel/exceptions-64s.S4
-rw-r--r--arch/powerpc/kernel/head_44x.S8
-rw-r--r--arch/powerpc/kernel/head_fsl_booke.S8
-rw-r--r--arch/powerpc/kernel/irq.c2
-rw-r--r--arch/powerpc/kernel/misc_32.S203
-rw-r--r--arch/powerpc/kernel/paca.c3
-rw-r--r--arch/powerpc/kernel/process.c2
-rw-r--r--arch/powerpc/kernel/prom_init.c17
-rw-r--r--arch/powerpc/kernel/ptrace.c42
-rw-r--r--arch/powerpc/kernel/ptrace32.c32
-rw-r--r--arch/powerpc/kernel/vector.S10
-rw-r--r--arch/powerpc/kernel/vio.c273
-rw-r--r--arch/powerpc/lib/copyuser_64.S6
-rw-r--r--arch/powerpc/lib/mem_64.S6
-rw-r--r--arch/powerpc/lib/memcpy_64.S6
-rw-r--r--arch/powerpc/platforms/44x/Kconfig2
-rw-r--r--arch/powerpc/platforms/Kconfig.cputype39
-rw-r--r--arch/powerpc/platforms/powermac/low_i2c.c1
-rw-r--r--arch/powerpc/platforms/ps3/Kconfig22
-rw-r--r--arch/powerpc/platforms/ps3/mm.c77
-rw-r--r--arch/powerpc/platforms/ps3/platform.h16
-rw-r--r--arch/powerpc/platforms/ps3/repository.c198
-rw-r--r--arch/powerpc/platforms/pseries/eeh.c2
-rw-r--r--arch/powerpc/platforms/pseries/plpar_wrappers.h4
-rw-r--r--arch/powerpc/platforms/pseries/reconfig.c7
-rw-r--r--arch/powerpc/sysdev/ppc4xx_msi.c42
46 files changed, 1035 insertions, 437 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 8a01098eaac..0a947bd9c07 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -350,7 +350,7 @@ config ARCH_ENABLE_MEMORY_HOTREMOVE
config KEXEC
bool "kexec system call (EXPERIMENTAL)"
- depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP && !PPC_47x)) && EXPERIMENTAL
+ depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP)) && EXPERIMENTAL
help
kexec is a system call that implements the ability to shutdown your
current kernel, and to start another kernel. It is like a reboot
@@ -367,7 +367,7 @@ config KEXEC
config CRASH_DUMP
bool "Build a kdump crash kernel"
- depends on PPC64 || 6xx || FSL_BOOKE || (44x && !SMP && !PPC_47x)
+ depends on PPC64 || 6xx || FSL_BOOKE || (44x && !SMP)
select RELOCATABLE if PPC64 || 44x
select DYNAMIC_MEMSTART if FSL_BOOKE
help
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 6524c6e2189..950d1f7a5a3 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -69,6 +69,16 @@ LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y)
CFLAGS-$(CONFIG_PPC64) := -mminimal-toc -mtraceback=no -mcall-aixdesc
CFLAGS-$(CONFIG_PPC32) := -ffixed-r2 -mmultiple
+
+CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power7,-mtune=power4)
+CFLAGS-$(CONFIG_CELL_CPU) += $(call cc-option,-mcpu=cell)
+CFLAGS-$(CONFIG_POWER4_CPU) += $(call cc-option,-mcpu=power4)
+CFLAGS-$(CONFIG_POWER5_CPU) += $(call cc-option,-mcpu=power5)
+CFLAGS-$(CONFIG_POWER6_CPU) += $(call cc-option,-mcpu=power6)
+CFLAGS-$(CONFIG_POWER7_CPU) += $(call cc-option,-mcpu=power7)
+
+CFLAGS-$(CONFIG_TUNE_CELL) += $(call cc-option,-mtune=cell)
+
KBUILD_CPPFLAGS += -Iarch/$(ARCH)
KBUILD_AFLAGS += -Iarch/$(ARCH)
KBUILD_CFLAGS += -msoft-float -pipe -Iarch/$(ARCH) $(CFLAGS-y)
@@ -76,32 +86,11 @@ CPP = $(CC) -E $(KBUILD_CFLAGS)
CHECKFLAGS += -m$(CONFIG_WORD_SIZE) -D__powerpc__ -D__powerpc$(CONFIG_WORD_SIZE)__
-ifeq ($(CONFIG_PPC64),y)
-GCC_BROKEN_VEC := $(call cc-ifversion, -lt, 0400, y)
-
-ifeq ($(CONFIG_POWER4_ONLY),y)
-ifeq ($(CONFIG_ALTIVEC),y)
-ifeq ($(GCC_BROKEN_VEC),y)
- KBUILD_CFLAGS += $(call cc-option,-mcpu=970)
-else
- KBUILD_CFLAGS += $(call cc-option,-mcpu=power4)
-endif
-else
- KBUILD_CFLAGS += $(call cc-option,-mcpu=power4)
-endif
-else
- KBUILD_CFLAGS += $(call cc-option,-mtune=power4)
-endif
-endif
-
KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o
-ifeq ($(CONFIG_TUNE_CELL),y)
- KBUILD_CFLAGS += $(call cc-option,-mtune=cell)
-endif
-
-# No AltiVec instruction when building kernel
+# No AltiVec or VSX instructions when building kernel
KBUILD_CFLAGS += $(call cc-option,-mno-altivec)
+KBUILD_CFLAGS += $(call cc-option,-mno-vsx)
# No SPE instruction when building kernel
# (We use all available options to help semi-broken compilers)
@@ -160,6 +149,7 @@ core-$(CONFIG_KVM) += arch/powerpc/kvm/
core-$(CONFIG_PERF_EVENTS) += arch/powerpc/perf/
drivers-$(CONFIG_OPROFILE) += arch/powerpc/oprofile/
+drivers-$(CONFIG_CRYPTO_DEV_NX) += drivers/crypto/nx/
# Default to zImage, override when needed
all: zImage
@@ -234,10 +224,11 @@ archprepare: checkbin
# Use the file '.tmp_gas_check' for binutils tests, as gas won't output
# to stdout and these checks are run even on install targets.
TOUT := .tmp_gas_check
-# Ensure this is binutils 2.12.1 (or 2.12.90.0.7) or later for altivec
-# instructions.
-# gcc-3.4 and binutils-2.14 are a fatal combination.
+# Check gcc and binutils versions:
+# - gcc-3.4 and binutils-2.14 are a fatal combination
+# - Require gcc 4.0 or above on 64-bit
+# - gcc-4.2.0 has issues compiling modules on 64-bit
checkbin:
@if test "$(call cc-version)" = "0304" ; then \
if ! /bin/echo mftb 5 | $(AS) -v -mppc -many -o $(TOUT) >/dev/null 2>&1 ; then \
@@ -247,6 +238,12 @@ checkbin:
false; \
fi ; \
fi
+ @if test "$(call cc-version)" -lt "0400" \
+ && test "x${CONFIG_PPC64}" = "xy" ; then \
+ echo -n "Sorry, GCC v4.0 or above is required to build " ; \
+ echo "the 64-bit powerpc kernel." ; \
+ false ; \
+ fi
@if test "$(call cc-fullversion)" = "040200" \
&& test "x${CONFIG_MODULES}${CONFIG_PPC64}" = "xyy" ; then \
echo -n '*** GCC-4.2.0 cannot compile the 64-bit powerpc ' ; \
diff --git a/arch/powerpc/boot/dts/bluestone.dts b/arch/powerpc/boot/dts/bluestone.dts
index 7bda373f10e..9d4917aebe6 100644
--- a/arch/powerpc/boot/dts/bluestone.dts
+++ b/arch/powerpc/boot/dts/bluestone.dts
@@ -373,5 +373,30 @@
0x0 0x0 0x0 0x3 &UIC3 0xe 0x4 /* swizzled int C */
0x0 0x0 0x0 0x4 &UIC3 0xf 0x4 /* swizzled int D */>;
};
+
+ MSI: ppc4xx-msi@C10000000 {
+ compatible = "amcc,ppc4xx-msi", "ppc4xx-msi";
+ reg = < 0xC 0x10000000 0x100
+ 0xC 0x10000000 0x100>;
+ sdr-base = <0x36C>;
+ msi-data = <0x00004440>;
+ msi-mask = <0x0000ffe0>;
+ interrupts =<0 1 2 3 4 5 6 7>;
+ interrupt-parent = <&MSI>;
+ #interrupt-cells = <1>;
+ #address-cells = <0>;
+ #size-cells = <0>;
+ msi-available-ranges = <0x0 0x100>;
+ interrupt-map = <
+ 0 &UIC3 0x18 1
+ 1 &UIC3 0x19 1
+ 2 &UIC3 0x1A 1
+ 3 &UIC3 0x1B 1
+ 4 &UIC3 0x1C 1
+ 5 &UIC3 0x1D 1
+ 6 &UIC3 0x1E 1
+ 7 &UIC3 0x1F 1
+ >;
+ };
};
};
diff --git a/arch/powerpc/configs/g5_defconfig b/arch/powerpc/configs/g5_defconfig
index 1196c34163b..07b7f2af2dc 100644
--- a/arch/powerpc/configs/g5_defconfig
+++ b/arch/powerpc/configs/g5_defconfig
@@ -1,5 +1,4 @@
CONFIG_PPC64=y
-CONFIG_POWER4_ONLY=y
CONFIG_ALTIVEC=y
CONFIG_SMP=y
CONFIG_NR_CPUS=4
diff --git a/arch/powerpc/configs/maple_defconfig b/arch/powerpc/configs/maple_defconfig
index 2244d370f24..02ac96b679b 100644
--- a/arch/powerpc/configs/maple_defconfig
+++ b/arch/powerpc/configs/maple_defconfig
@@ -1,5 +1,4 @@
CONFIG_PPC64=y
-CONFIG_POWER4_ONLY=y
CONFIG_SMP=y
CONFIG_NR_CPUS=4
CONFIG_EXPERIMENTAL=y
diff --git a/arch/powerpc/configs/pasemi_defconfig b/arch/powerpc/configs/pasemi_defconfig
index f4deb0b78cf..840a2c2d043 100644
--- a/arch/powerpc/configs/pasemi_defconfig
+++ b/arch/powerpc/configs/pasemi_defconfig
@@ -1,5 +1,4 @@
CONFIG_PPC64=y
-CONFIG_POWER4_ONLY=y
CONFIG_ALTIVEC=y
# CONFIG_VIRT_CPU_ACCOUNTING is not set
CONFIG_SMP=y
diff --git a/arch/powerpc/configs/ps3_defconfig b/arch/powerpc/configs/ps3_defconfig
index ded867871e9..c2f4b4a86ec 100644
--- a/arch/powerpc/configs/ps3_defconfig
+++ b/arch/powerpc/configs/ps3_defconfig
@@ -6,7 +6,6 @@ CONFIG_NR_CPUS=2
CONFIG_EXPERIMENTAL=y
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
-CONFIG_SPARSE_IRQ=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_EMBEDDED=y
@@ -25,7 +24,6 @@ CONFIG_PS3_DISK=y
CONFIG_PS3_ROM=y
CONFIG_PS3_FLASH=y
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
@@ -53,8 +51,6 @@ CONFIG_IP_PNP_DHCP=y
# CONFIG_INET_DIAG is not set
CONFIG_IPV6=y
CONFIG_BT=m
-CONFIG_BT_L2CAP=y
-CONFIG_BT_SCO=y
CONFIG_BT_RFCOMM=m
CONFIG_BT_RFCOMM_TTY=y
CONFIG_BT_BNEP=m
@@ -63,7 +59,6 @@ CONFIG_BT_BNEP_PROTO_FILTER=y
CONFIG_BT_HIDP=m
CONFIG_BT_HCIBTUSB=m
CONFIG_CFG80211=m
-# CONFIG_WIRELESS_EXT_SYSFS is not set
CONFIG_MAC80211=m
CONFIG_MAC80211_RC_PID=y
# CONFIG_MAC80211_RC_MINSTREL is not set
@@ -181,7 +176,6 @@ CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_WRITECOUNT=y
CONFIG_DEBUG_MEMORY_INIT=y
CONFIG_DEBUG_LIST=y
-CONFIG_SYSCTL_SYSCALL_CHECK=y
# CONFIG_FTRACE is not set
CONFIG_DEBUG_STACKOVERFLOW=y
CONFIG_CRYPTO_CCM=m
diff --git a/arch/powerpc/include/asm/asm-compat.h b/arch/powerpc/include/asm/asm-compat.h
index decad950f11..5d7fbe1950f 100644
--- a/arch/powerpc/include/asm/asm-compat.h
+++ b/arch/powerpc/include/asm/asm-compat.h
@@ -29,18 +29,9 @@
#define PPC_LLARX(t, a, b, eh) PPC_LDARX(t, a, b, eh)
#define PPC_STLCX stringify_in_c(stdcx.)
#define PPC_CNTLZL stringify_in_c(cntlzd)
+#define PPC_MTOCRF(FXM, RS) MTOCRF((FXM), (RS))
#define PPC_LR_STKOFF 16
#define PPC_MIN_STKFRM 112
-
-/* Move to CR, single-entry optimized version. Only available
- * on POWER4 and later.
- */
-#ifdef CONFIG_POWER4_ONLY
-#define PPC_MTOCRF stringify_in_c(mtocrf)
-#else
-#define PPC_MTOCRF stringify_in_c(mtcrf)
-#endif
-
#else /* 32-bit */
/* operations for longs and pointers */
diff --git a/arch/powerpc/include/asm/cputhreads.h b/arch/powerpc/include/asm/cputhreads.h
index ce516e5eb0d..ac3eedb9b74 100644
--- a/arch/powerpc/include/asm/cputhreads.h
+++ b/arch/powerpc/include/asm/cputhreads.h
@@ -9,7 +9,7 @@
* Note: This implementation is limited to a power of 2 number of
* threads per core and the same number for each core in the system
* (though it would work if some processors had less threads as long
- * as the CPU numbers are still allocated, just not brought offline).
+ * as the CPU numbers are still allocated, just not brought online).
*
* However, the API allows for a different implementation in the future
* if needed, as long as you only use the functions and not the variables
diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h
index 1c324ff55ea..61225238819 100644
--- a/arch/powerpc/include/asm/hvcall.h
+++ b/arch/powerpc/include/asm/hvcall.h
@@ -77,8 +77,27 @@
#define H_MR_CONDITION -43
#define H_NOT_ENOUGH_RESOURCES -44
#define H_R_STATE -45
-#define H_RESCINDEND -46
-#define H_MULTI_THREADS_ACTIVE -9005
+#define H_RESCINDED -46
+#define H_P2 -55
+#define H_P3 -56
+#define H_P4 -57
+#define H_P5 -58
+#define H_P6 -59
+#define H_P7 -60
+#define H_P8 -61
+#define H_P9 -62
+#define H_TOO_BIG -64
+#define H_OVERLAP -68
+#define H_INTERRUPT -69
+#define H_BAD_DATA -70
+#define H_NOT_ACTIVE -71
+#define H_SG_LIST -72
+#define H_OP_MODE -73
+#define H_COP_HW -74
+#define H_UNSUPPORTED_FLAG_START -256
+#define H_UNSUPPORTED_FLAG_END -511
+#define H_MULTI_THREADS_ACTIVE -9005
+#define H_OUTSTANDING_COP_OPS -9006
/* Long Busy is a condition that can be returned by the firmware
@@ -240,6 +259,8 @@
#define H_GET_MPP 0x2D4
#define H_HOME_NODE_ASSOCIATIVITY 0x2EC
#define H_BEST_ENERGY 0x2F4
+#define H_RANDOM 0x300
+#define H_COP 0x304
#define H_GET_MPP_X 0x314
#define MAX_HCALL_OPCODE H_GET_MPP_X
diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h
index a76254af0aa..531fe0c3108 100644
--- a/arch/powerpc/include/asm/lppaca.h
+++ b/arch/powerpc/include/asm/lppaca.h
@@ -20,18 +20,16 @@
#define _ASM_POWERPC_LPPACA_H
#ifdef __KERNEL__
-/* These definitions relate to hypervisors that only exist when using
+/*
+ * These definitions relate to hypervisors that only exist when using
* a server type processor
*/
#ifdef CONFIG_PPC_BOOK3S
-//=============================================================================
-//
-// This control block contains the data that is shared between the
-// hypervisor (PLIC) and the OS.
-//
-//
-//----------------------------------------------------------------------------
+/*
+ * This control block contains the data that is shared between the
+ * hypervisor and the OS.
+ */
#include <linux/cache.h>
#include <linux/threads.h>
#include <asm/types.h>
@@ -43,123 +41,65 @@
*/
#define NR_LPPACAS 1
-
-/* The Hypervisor barfs if the lppaca crosses a page boundary. A 1k
- * alignment is sufficient to prevent this */
+/*
+ * The Hypervisor barfs if the lppaca crosses a page boundary. A 1k
+ * alignment is sufficient to prevent this
+ */
struct lppaca {
-//=============================================================================
-// CACHE_LINE_1 0x0000 - 0x007F Contains read-only data
-// NOTE: The xDynXyz fields are fields that will be dynamically changed by
-// PLIC when preparing to bring a processor online or when dispatching a
-// virtual processor!
-//=============================================================================
- u32 desc; // Eye catcher 0xD397D781 x00-x03
- u16 size; // Size of this struct x04-x05
- u16 reserved1; // Reserved x06-x07
- u16 reserved2:14; // Reserved x08-x09
- u8 shared_proc:1; // Shared processor indicator ...
- u8 secondary_thread:1; // Secondary thread indicator ...
- volatile u8 dyn_proc_status:8; // Dynamic Status of this proc x0A-x0A
- u8 secondary_thread_count; // Secondary thread count x0B-x0B
- volatile u16 dyn_hv_phys_proc_index;// Dynamic HV Physical Proc Index0C-x0D
- volatile u16 dyn_hv_log_proc_index;// Dynamic HV Logical Proc Indexx0E-x0F
- u32 decr_val; // Value for Decr programming x10-x13
- u32 pmc_val; // Value for PMC regs x14-x17
- volatile u32 dyn_hw_node_id; // Dynamic Hardware Node id x18-x1B
- volatile u32 dyn_hw_proc_id; // Dynamic Hardware Proc Id x1C-x1F
- volatile u32 dyn_pir; // Dynamic ProcIdReg value x20-x23
- u32 dsei_data; // DSEI data x24-x27
- u64 sprg3; // SPRG3 value x28-x2F
- u8 reserved3[40]; // Reserved x30-x57
- volatile u8 vphn_assoc_counts[8]; // Virtual processor home node
- // associativity change counters x58-x5F
- u8 reserved4[32]; // Reserved x60-x7F
-
-//=============================================================================
-// CACHE_LINE_2 0x0080 - 0x00FF Contains local read-write data
-//=============================================================================
- // This Dword contains a byte for each type of interrupt that can occur.
- // The IPI is a count while the others are just a binary 1 or 0.
- union {
- u64 any_int;
- struct {
- u16 reserved; // Reserved - cleared by #mpasmbl
- u8 xirr_int; // Indicates xXirrValue is valid or Immed IO
- u8 ipi_cnt; // IPI Count
- u8 decr_int; // DECR interrupt occurred
- u8 pdc_int; // PDC interrupt occurred
- u8 quantum_int; // Interrupt quantum reached
- u8 old_plic_deferred_ext_int; // Old PLIC has a deferred XIRR pending
- } fields;
- } int_dword;
-
- // Whenever any fields in this Dword are set then PLIC will defer the
- // processing of external interrupts. Note that PLIC will store the
- // XIRR directly into the xXirrValue field so that another XIRR will
- // not be presented until this one clears. The layout of the low
- // 4-bytes of this Dword is up to SLIC - PLIC just checks whether the
- // entire Dword is zero or not. A non-zero value in the low order
- // 2-bytes will result in SLIC being granted the highest thread
- // priority upon return. A 0 will return to SLIC as medium priority.
- u64 plic_defer_ints_area; // Entire Dword
-
- // Used to pass the real SRR0/1 from PLIC to SLIC as well as to
- // pass the target SRR0/1 from SLIC to PLIC on a SetAsrAndRfid.
- u64 saved_srr0; // Saved SRR0 x10-x17
- u64 saved_srr1; // Saved SRR1 x18-x1F
-
- // Used to pass parms from the OS to PLIC for SetAsrAndRfid
- u64 saved_gpr3; // Saved GPR3 x20-x27
- u64 saved_gpr4; // Saved GPR4 x28-x2F
- union {
- u64 saved_gpr5; /* Saved GPR5 x30-x37 */
- struct {
- u8 cede_latency_hint; /* x30 */
- u8 reserved[7]; /* x31-x36 */
- } fields;
- } gpr5_dword;
-
-
- u8 dtl_enable_mask; // Dispatch Trace Log mask x38-x38
- u8 donate_dedicated_cpu; // Donate dedicated CPU cycles x39-x39
- u8 fpregs_in_use; // FP regs in use x3A-x3A
- u8 pmcregs_in_use; // PMC regs in use x3B-x3B
- volatile u32 saved_decr; // Saved Decr Value x3C-x3F
- volatile u64 emulated_time_base;// Emulated TB for this thread x40-x47
- volatile u64 cur_plic_latency; // Unaccounted PLIC latency x48-x4F
- u64 tot_plic_latency; // Accumulated PLIC latency x50-x57
- u64 wait_state_cycles; // Wait cycles for this proc x58-x5F
- u64 end_of_quantum; // TB at end of quantum x60-x67
- u64 pdc_saved_sprg1; // Saved SPRG1 for PMC int x68-x6F
- u64 pdc_saved_srr0; // Saved SRR0 for PMC int x70-x77
- volatile u32 virtual_decr; // Virtual DECR for shared procsx78-x7B
- u16 slb_count; // # of SLBs to maintain x7C-x7D
- u8 idle; // Indicate OS is idle x7E
- u8 vmxregs_in_use; // VMX registers in use x7F
-
-
-//=============================================================================
-// CACHE_LINE_3 0x0100 - 0x017F: This line is shared with other processors
-//=============================================================================
- // This is the yield_count. An "odd" value (low bit on) means that
- // the processor is yielded (either because of an OS yield or a PLIC
- // preempt). An even value implies that the processor is currently
- // executing.
- // NOTE: This value will ALWAYS be zero for dedicated processors and
- // will NEVER be zero for shared processors (ie, initialized to a 1).
- volatile u32 yield_count; // PLIC increments each dispatchx00-x03
- volatile u32 dispersion_count; // dispatch changed phys cpu x04-x07
- volatile u64 cmo_faults; // CMO page fault count x08-x0F
- volatile u64 cmo_fault_time; // CMO page fault time x10-x17
- u8 reserved7[104]; // Reserved x18-x7F
-
-//=============================================================================
-// CACHE_LINE_4-5 0x0180 - 0x027F Contains PMC interrupt data
-//=============================================================================
- u32 page_ins; // CMO Hint - # page ins by OS x00-x03
- u8 reserved8[148]; // Reserved x04-x97
- volatile u64 dtl_idx; // Dispatch Trace Log head idx x98-x9F
- u8 reserved9[96]; // Reserved xA0-xFF
+ /* cacheline 1 contains read-only data */
+
+ u32 desc; /* Eye catcher 0xD397D781 */
+ u16 size; /* Size of this struct */
+ u16 reserved1;
+ u16 reserved2:14;
+ u8 shared_proc:1; /* Shared processor indicator */
+ u8 secondary_thread:1; /* Secondary thread indicator */
+ u8 reserved3[14];
+ volatile u32 dyn_hw_node_id; /* Dynamic hardware node id */
+ volatile u32 dyn_hw_proc_id; /* Dynamic hardware proc id */
+ u8 reserved4[56];
+ volatile u8 vphn_assoc_counts[8]; /* Virtual processor home node */
+ /* associativity change counters */
+ u8 reserved5[32];
+
+ /* cacheline 2 contains local read-write data */
+
+ u8 reserved6[48];
+ u8 cede_latency_hint;
+ u8 reserved7[7];
+ u8 dtl_enable_mask; /* Dispatch Trace Log mask */
+ u8 donate_dedicated_cpu; /* Donate dedicated CPU cycles */
+ u8 fpregs_in_use;
+ u8 pmcregs_in_use;
+ u8 reserved8[28];
+ u64 wait_state_cycles; /* Wait cycles for this proc */
+ u8 reserved9[28];
+ u16 slb_count; /* # of SLBs to maintain */
+ u8 idle; /* Indicate OS is idle */
+ u8 vmxregs_in_use;
+
+ /* cacheline 3 is shared with other processors */
+
+ /*
+ * This is the yield_count. An "odd" value (low bit on) means that
+ * the processor is yielded (either because of an OS yield or a
+ * hypervisor preempt). An even value implies that the processor is
+ * currently executing.
+ * NOTE: This value will ALWAYS be zero for dedicated processors and
+ * will NEVER be zero for shared processors (ie, initialized to a 1).
+ */
+ volatile u32 yield_count;
+ volatile u32 dispersion_count; /* dispatch changed physical cpu */
+ volatile u64 cmo_faults; /* CMO page fault count */
+ volatile u64 cmo_fault_time; /* CMO page fault time */
+ u8 reserved10[104];
+
+ /* cacheline 4-5 */
+
+ u32 page_ins; /* CMO Hint - # page ins by OS */
+ u8 reserved11[148];
+ volatile u64 dtl_idx; /* Dispatch Trace Log head index */
+ u8 reserved12[96];
} __attribute__((__aligned__(0x400)));
extern struct lppaca lppaca[];
@@ -172,13 +112,13 @@ extern struct lppaca lppaca[];
* ESID is stored in the lower 64bits, then the VSID.
*/
struct slb_shadow {
- u32 persistent; // Number of persistent SLBs x00-x03
- u32 buffer_length; // Total shadow buffer length x04-x07
- u64 reserved; // Alignment x08-x0f
+ u32 persistent; /* Number of persistent SLBs */
+ u32 buffer_length; /* Total shadow buffer length */
+ u64 reserved;
struct {
u64 esid;
u64 vsid;
- } save_area[SLB_NUM_BOLTED]; // x10-x40
+ } save_area[SLB_NUM_BOLTED];
} ____cacheline_aligned;
extern struct slb_shadow slb_shadow[];
diff --git a/arch/powerpc/include/asm/lv1call.h b/arch/powerpc/include/asm/lv1call.h
index 233f9ecae76..f5117674bf9 100644
--- a/arch/powerpc/include/asm/lv1call.h
+++ b/arch/powerpc/include/asm/lv1call.h
@@ -265,8 +265,8 @@ 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(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(write_repository_node, 6, 0, 92 )
+LV1_CALL(delete_repository_node, 4, 0, 93 )
LV1_CALL(read_htab_entries, 2, 5, 95 )
LV1_CALL(set_dabr, 2, 0, 96 )
LV1_CALL(get_total_execution_time, 2, 1, 103 )
diff --git a/arch/powerpc/include/asm/pSeries_reconfig.h b/arch/powerpc/include/asm/pSeries_reconfig.h
index 23cd6cc30bc..c07edfe98b9 100644
--- a/arch/powerpc/include/asm/pSeries_reconfig.h
+++ b/arch/powerpc/include/asm/pSeries_reconfig.h
@@ -13,6 +13,18 @@
#define PSERIES_RECONFIG_REMOVE 0x0002
#define PSERIES_DRCONF_MEM_ADD 0x0003
#define PSERIES_DRCONF_MEM_REMOVE 0x0004
+#define PSERIES_UPDATE_PROPERTY 0x0005
+
+/**
+ * pSeries_reconfig_notify - Notifier value structure for OFDT property updates
+ *
+ * @node: Device tree node which owns the property being updated
+ * @property: Updated property
+ */
+struct pSeries_reconfig_prop_update {
+ struct device_node *node;
+ struct property *property;
+};
#ifdef CONFIG_PPC_PSERIES
extern int pSeries_reconfig_notifier_register(struct notifier_block *);
diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index 50f73aa2ba2..15444204a3a 100644
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -369,7 +369,15 @@ BEGIN_FTR_SECTION \
END_FTR_SECTION_IFCLR(CPU_FTR_601)
#endif
-
+#ifdef CONFIG_PPC64
+#define MTOCRF(FXM, RS) \
+ BEGIN_FTR_SECTION_NESTED(848); \
+ mtcrf (FXM), (RS); \
+ FTR_SECTION_ELSE_NESTED(848); \
+ mtocrf (FXM), (RS); \
+ ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_NOEXECUTE, 848)
+#endif
+
/*
* This instruction is not implemented on the PPC 603 or 601; however, on
* the 403GCX and 405GP tlbia IS defined and tlbie is not.
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index 84cc7840cd1..9c21ed42aba 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -354,12 +354,6 @@ static inline unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
#define PTRACE_GETREGS64 22
#define PTRACE_SETREGS64 23
-/* (old) PTRACE requests with inverted arguments */
-#define PPC_PTRACE_GETREGS 0x99 /* Get GPRs 0 - 31 */
-#define PPC_PTRACE_SETREGS 0x98 /* Set GPRs 0 - 31 */
-#define PPC_PTRACE_GETFPREGS 0x97 /* Get FPRs 0 - 31 */
-#define PPC_PTRACE_SETFPREGS 0x96 /* Set FPRs 0 - 31 */
-
/* Calls to trace a 64bit program from a 32bit program */
#define PPC_PTRACE_PEEKTEXT_3264 0x95
#define PPC_PTRACE_PEEKDATA_3264 0x94
diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h
index caf82d0a00d..1a6320290d2 100644
--- a/arch/powerpc/include/asm/switch_to.h
+++ b/arch/powerpc/include/asm/switch_to.h
@@ -21,7 +21,6 @@ extern void disable_kernel_fp(void);
extern void enable_kernel_fp(void);
extern void flush_fp_to_thread(struct task_struct *);
extern void enable_kernel_altivec(void);
-extern void giveup_altivec(struct task_struct *);
extern void load_up_altivec(struct task_struct *);
extern int emulate_altivec(struct pt_regs *);
extern void __giveup_vsx(struct task_struct *);
@@ -40,10 +39,15 @@ static inline void discard_lazy_cpu_state(void)
#ifdef CONFIG_ALTIVEC
extern void flush_altivec_to_thread(struct task_struct *);
+extern void giveup_altivec(struct task_struct *);
+extern void giveup_altivec_notask(void);
#else
static inline void flush_altivec_to_thread(struct task_struct *t)
{
}
+static inline void giveup_altivec(struct task_struct *t)
+{
+}
#endif
#ifdef CONFIG_VSX
diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h
index 1a1bb00f061..a556ccc16b5 100644
--- a/arch/powerpc/include/asm/thread_info.h
+++ b/arch/powerpc/include/asm/thread_info.h
@@ -113,7 +113,6 @@ static inline struct thread_info *current_thread_info(void)
#define _TIF_NOERROR (1<<TIF_NOERROR)
#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
#define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
-#define _TIF_RUNLATCH (1<<TIF_RUNLATCH)
#define _TIF_SYSCALL_T_OR_A (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \
_TIF_SECCOMP | _TIF_SYSCALL_TRACEPOINT)
diff --git a/arch/powerpc/include/asm/vio.h b/arch/powerpc/include/asm/vio.h
index 6bfd5ffe1d4..b19adf751dd 100644
--- a/arch/powerpc/include/asm/vio.h
+++ b/arch/powerpc/include/asm/vio.h
@@ -46,6 +46,48 @@
struct iommu_table;
+/*
+ * Platform Facilities Option (PFO)-specific data
+ */
+
+/* Starting unit address for PFO devices on the VIO BUS */
+#define VIO_BASE_PFO_UA 0x50000000
+
+/**
+ * vio_pfo_op - PFO operation parameters
+ *
+ * @flags: h_call subfunctions and modifiers
+ * @in: Input data block logical real address
+ * @inlen: If non-negative, the length of the input data block. If negative,
+ * the length of the input data descriptor list in bytes.
+ * @out: Output data block logical real address
+ * @outlen: If non-negative, the length of the input data block. If negative,
+ * the length of the input data descriptor list in bytes.
+ * @csbcpb: Logical real address of the 4k naturally-aligned storage block
+ * containing the CSB & optional FC field specific CPB
+ * @timeout: # of milliseconds to retry h_call, 0 for no timeout.
+ * @hcall_err: pointer to return the h_call return value, else NULL
+ */
+struct vio_pfo_op {
+ u64 flags;
+ s64 in;
+ s64 inlen;
+ s64 out;
+ s64 outlen;
+ u64 csbcpb;
+ void *done;
+ unsigned long handle;
+ unsigned int timeout;
+ long hcall_err;
+};
+
+/* End PFO specific data */
+
+enum vio_dev_family {
+ VDEVICE, /* The OF node is a child of /vdevice */
+ PFO, /* The OF node is a child of /ibm,platform-facilities */
+};
+
/**
* vio_dev - This structure is used to describe virtual I/O devices.
*
@@ -58,6 +100,7 @@ struct vio_dev {
const char *name;
const char *type;
uint32_t unit_address;
+ uint32_t resource_id;
unsigned int irq;
struct {
size_t desired;
@@ -65,6 +108,7 @@ struct vio_dev {
size_t allocated;
atomic_t allocs_failed;
} cmo;
+ enum vio_dev_family family;
struct device dev;
};
@@ -95,6 +139,8 @@ extern void vio_cmo_set_dev_desired(struct vio_dev *viodev, size_t desired);
extern void __devinit vio_unregister_device(struct vio_dev *dev);
+extern int vio_h_cop_sync(struct vio_dev *vdev, struct vio_pfo_op *op);
+
struct device_node;
extern struct vio_dev *vio_register_device_node(
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 34b8afe94a5..4554dc2fe85 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -188,10 +188,6 @@ int main(void)
DEFINE(SLBSHADOW_STACKESID,
offsetof(struct slb_shadow, save_area[SLB_NUM_BOLTED - 1].esid));
DEFINE(SLBSHADOW_SAVEAREA, offsetof(struct slb_shadow, save_area));
- DEFINE(LPPACASRR0, offsetof(struct lppaca, saved_srr0));
- DEFINE(LPPACASRR1, offsetof(struct lppaca, saved_srr1));
- DEFINE(LPPACAANYINT, offsetof(struct lppaca, int_dword.any_int));
- DEFINE(LPPACADECRINT, offsetof(struct lppaca, int_dword.fields.decr_int));
DEFINE(LPPACA_PMCINUSE, offsetof(struct lppaca, pmcregs_in_use));
DEFINE(LPPACA_DTLIDX, offsetof(struct lppaca, dtl_idx));
DEFINE(LPPACA_YIELDCOUNT, offsetof(struct lppaca, yield_count));
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index ef2074c3e90..ed1718feb9d 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -63,15 +63,9 @@ system_call_common:
std r0,GPR0(r1)
std r10,GPR1(r1)
ACCOUNT_CPU_USER_ENTRY(r10, r11)
- /*
- * This "crclr so" clears CR0.SO, which is the error indication on
- * return from this system call. There must be no cmp instruction
- * between it and the "mfcr r9" below, otherwise if XER.SO is set,
- * CR0.SO will get set, causing all system calls to appear to fail.
- */
- crclr so
std r2,GPR2(r1)
std r3,GPR3(r1)
+ mfcr r2
std r4,GPR4(r1)
std r5,GPR5(r1)
std r6,GPR6(r1)
@@ -82,18 +76,20 @@ system_call_common:
std r11,GPR10(r1)
std r11,GPR11(r1)
std r11,GPR12(r1)
+ std r11,_XER(r1)
+ std r11,_CTR(r1)
std r9,GPR13(r1)
- mfcr r9
mflr r10
+ /*
+ * This clears CR0.SO (bit 28), which is the error indication on
+ * return from this system call.
+ */
+ rldimi r2,r11,28,(63-28)
li r11,0xc01
- std r9,_CCR(r1)
std r10,_LINK(r1)
std r11,_TRAP(r1)
- mfxer r9
- mfctr r10
- std r9,_XER(r1)
- std r10,_CTR(r1)
std r3,ORIG_GPR3(r1)
+ std r2,_CCR(r1)
ld r2,PACATOC(r13)
addi r9,r1,STACK_FRAME_OVERHEAD
ld r11,exception_marker@toc(r2)
@@ -154,7 +150,7 @@ END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR)
ld r10,TI_FLAGS(r11)
andi. r11,r10,_TIF_SYSCALL_T_OR_A
bne- syscall_dotrace
-syscall_dotrace_cont:
+.Lsyscall_dotrace_cont:
cmpldi 0,r0,NR_syscalls
bge- syscall_enosys
@@ -211,7 +207,7 @@ syscall_exit:
cmpld r3,r11
ld r5,_CCR(r1)
bge- syscall_error
-syscall_error_cont:
+.Lsyscall_error_cont:
ld r7,_NIP(r1)
BEGIN_FTR_SECTION
stdcx. r0,0,r1 /* to clear the reservation */
@@ -246,7 +242,7 @@ syscall_error:
oris r5,r5,0x1000 /* Set SO bit in CR */
neg r3,r3
std r5,_CCR(r1)
- b syscall_error_cont
+ b .Lsyscall_error_cont
/* Traced system call support */
syscall_dotrace:
@@ -268,7 +264,7 @@ syscall_dotrace:
addi r9,r1,STACK_FRAME_OVERHEAD
clrrdi r10,r1,THREAD_SHIFT
ld r10,TI_FLAGS(r10)
- b syscall_dotrace_cont
+ b .Lsyscall_dotrace_cont
syscall_enosys:
li r3,-ENOSYS
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 8f880bc77c5..f7bed44ee16 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -94,12 +94,10 @@ machine_check_pSeries_1:
data_access_pSeries:
HMT_MEDIUM
SET_SCRATCH0(r13)
-#ifndef CONFIG_POWER4_ONLY
BEGIN_FTR_SECTION
b data_access_check_stab
data_access_not_stab:
END_MMU_FTR_SECTION_IFCLR(MMU_FTR_SLB)
-#endif
EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, data_access_common, EXC_STD,
KVMTEST, 0x300)
@@ -301,7 +299,6 @@ machine_check_fwnmi:
EXC_STD, KVMTEST, 0x200)
KVM_HANDLER_SKIP(PACA_EXMC, EXC_STD, 0x200)
-#ifndef CONFIG_POWER4_ONLY
/* moved from 0x300 */
data_access_check_stab:
GET_PACA(r13)
@@ -328,7 +325,6 @@ do_stab_bolted_pSeries:
GET_SCRATCH0(r10)
std r10,PACA_EXSLB+EX_R13(r13)
EXCEPTION_PROLOG_PSERIES_1(.do_stab_bolted, EXC_STD)
-#endif /* CONFIG_POWER4_ONLY */
KVM_HANDLER_SKIP(PACA_EXGEN, EXC_STD, 0x300)
KVM_HANDLER_SKIP(PACA_EXSLB, EXC_STD, 0x380)
diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S
index 7dd2981bcc5..22d608e8bb7 100644
--- a/arch/powerpc/kernel/head_44x.S
+++ b/arch/powerpc/kernel/head_44x.S
@@ -778,14 +778,6 @@ _GLOBAL(__fixup_440A_mcheck)
blr
/*
- * extern void giveup_altivec(struct task_struct *prev)
- *
- * The 44x core does not have an AltiVec unit.
- */
-_GLOBAL(giveup_altivec)
- blr
-
-/*
* extern void giveup_fpu(struct task_struct *prev)
*
* The 44x core does not have an FPU.
diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S
index 28e62598d0e..de80e0f9a2b 100644
--- a/arch/powerpc/kernel/head_fsl_booke.S
+++ b/arch/powerpc/kernel/head_fsl_booke.S
@@ -874,14 +874,6 @@ _GLOBAL(__setup_e500mc_ivors)
sync
blr
-/*
- * extern void giveup_altivec(struct task_struct *prev)
- *
- * The e500 core does not have an AltiVec unit.
- */
-_GLOBAL(giveup_altivec)
- blr
-
#ifdef CONFIG_SPE
/*
* extern void giveup_spe(struct task_struct *prev)
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 641da9e868c..7835a5e1ea5 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -587,7 +587,7 @@ int irq_choose_cpu(const struct cpumask *mask)
{
int cpuid;
- if (cpumask_equal(mask, cpu_all_mask)) {
+ if (cpumask_equal(mask, cpu_online_mask)) {
static int irq_rover;
static DEFINE_RAW_SPINLOCK(irq_rover_lock);
unsigned long flags;
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S
index 7cd07b42ca1..386d57f66f2 100644
--- a/arch/powerpc/kernel/misc_32.S
+++ b/arch/powerpc/kernel/misc_32.S
@@ -738,8 +738,23 @@ relocate_new_kernel:
mr r5, r31
li r0, 0
-#elif defined(CONFIG_44x) && !defined(CONFIG_PPC_47x)
+#elif defined(CONFIG_44x)
+ /* Save our parameters */
+ mr r29, r3
+ mr r30, r4
+ mr r31, r5
+
+#ifdef CONFIG_PPC_47x
+ /* Check for 47x cores */
+ mfspr r3,SPRN_PVR
+ srwi r3,r3,16
+ cmplwi cr0,r3,PVR_476@h
+ beq setup_map_47x
+ cmplwi cr0,r3,PVR_476_ISS@h
+ beq setup_map_47x
+#endif /* CONFIG_PPC_47x */
+
/*
* Code for setting up 1:1 mapping for PPC440x for KEXEC
*
@@ -753,16 +768,15 @@ relocate_new_kernel:
* 5) Invalidate the tmp mapping.
*
* - Based on the kexec support code for FSL BookE
- * - Doesn't support 47x yet.
*
*/
- /* Save our parameters */
- mr r29, r3
- mr r30, r4
- mr r31, r5
- /* Load our MSR_IS and TID to MMUCR for TLB search */
- mfspr r3,SPRN_PID
+ /*
+ * Load the PID with kernel PID (0).
+ * Also load our MSR_IS and TID to MMUCR for TLB search.
+ */
+ li r3, 0
+ mtspr SPRN_PID, r3
mfmsr r4
andi. r4,r4,MSR_IS@l
beq wmmucr
@@ -900,6 +914,179 @@ next_tlb:
li r3, 0
tlbwe r3, r24, PPC44x_TLB_PAGEID
sync
+ b ppc44x_map_done
+
+#ifdef CONFIG_PPC_47x
+
+ /* 1:1 mapping for 47x */
+
+setup_map_47x:
+
+ /*
+ * Load the kernel pid (0) to PID and also to MMUCR[TID].
+ * Also set the MSR IS->MMUCR STS
+ */
+ li r3, 0
+ mtspr SPRN_PID, r3 /* Set PID */
+ mfmsr r4 /* Get MSR */
+ andi. r4, r4, MSR_IS@l /* TS=1? */
+ beq 1f /* If not, leave STS=0 */
+ oris r3, r3, PPC47x_MMUCR_STS@h /* Set STS=1 */
+1: mtspr SPRN_MMUCR, r3 /* Put MMUCR */
+ sync
+
+ /* Find the entry we are running from */
+ bl 2f
+2: mflr r23
+ tlbsx r23, 0, r23
+ tlbre r24, r23, 0 /* TLB Word 0 */
+ tlbre r25, r23, 1 /* TLB Word 1 */
+ tlbre r26, r23, 2 /* TLB Word 2 */
+
+
+ /*
+ * Invalidates all the tlb entries by writing to 256 RPNs(r4)
+ * of 4k page size in all 4 ways (0-3 in r3).
+ * This would invalidate the entire UTLB including the one we are
+ * running from. However the shadow TLB entries would help us
+ * to continue the execution, until we flush them (rfi/isync).
+ */
+ addis r3, 0, 0x8000 /* specify the way */
+ addi r4, 0, 0 /* TLB Word0 = (EPN=0, VALID = 0) */
+ addi r5, 0, 0
+ b clear_utlb_entry
+
+ /* Align the loop to speed things up. from head_44x.S */
+ .align 6
+
+clear_utlb_entry:
+
+ tlbwe r4, r3, 0
+ tlbwe r5, r3, 1
+ tlbwe r5, r3, 2
+ addis r3, r3, 0x2000 /* Increment the way */
+ cmpwi r3, 0
+ bne clear_utlb_entry
+ addis r3, 0, 0x8000
+ addis r4, r4, 0x100 /* Increment the EPN */
+ cmpwi r4, 0
+ bne clear_utlb_entry
+
+ /* Create the entries in the other address space */
+ mfmsr r5
+ rlwinm r7, r5, 27, 31, 31 /* Get the TS (Bit 26) from MSR */
+ xori r7, r7, 1 /* r7 = !TS */
+
+ insrwi r24, r7, 1, 21 /* Change the TS in the saved TLB word 0 */
+
+ /*
+ * write out the TLB entries for the tmp mapping
+ * Use way '0' so that we could easily invalidate it later.
+ */
+ lis r3, 0x8000 /* Way '0' */
+
+ tlbwe r24, r3, 0
+ tlbwe r25, r3, 1
+ tlbwe r26, r3, 2
+
+ /* Update the msr to the new TS */
+ insrwi r5, r7, 1, 26
+
+ bl 1f
+1: mflr r6
+ addi r6, r6, (2f-1b)
+
+ mtspr SPRN_SRR0, r6
+ mtspr SPRN_SRR1, r5
+ rfi
+
+ /*
+ * Now we are in the tmp address space.
+ * Create a 1:1 mapping for 0-2GiB in the original TS.
+ */
+2:
+ li r3, 0
+ li r4, 0 /* TLB Word 0 */
+ li r5, 0 /* TLB Word 1 */
+ li r6, 0
+ ori r6, r6, PPC47x_TLB2_S_RWX /* TLB word 2 */
+
+ li r8, 0 /* PageIndex */
+
+ xori r7, r7, 1 /* revert back to original TS */
+
+write_utlb:
+ rotlwi r5, r8, 28 /* RPN = PageIndex * 256M */
+ /* ERPN = 0 as we don't use memory above 2G */
+
+ mr r4, r5 /* EPN = RPN */
+ ori r4, r4, (PPC47x_TLB0_VALID | PPC47x_TLB0_256M)
+ insrwi r4, r7, 1, 21 /* Insert the TS to Word 0 */
+
+ tlbwe r4, r3, 0 /* Write out the entries */
+ tlbwe r5, r3, 1
+ tlbwe r6, r3, 2
+ addi r8, r8, 1
+ cmpwi r8, 8 /* Have we completed ? */
+ bne write_utlb
+
+ /* make sure we complete the TLB write up */
+ isync
+
+ /*
+ * Prepare to jump to the 1:1 mapping.
+ * 1) Extract page size of the tmp mapping
+ * DSIZ = TLB_Word0[22:27]
+ * 2) Calculate the physical address of the address
+ * to jump to.
+ */
+ rlwinm r10, r24, 0, 22, 27
+
+ cmpwi r10, PPC47x_TLB0_4K
+ bne 0f
+ li r10, 0x1000 /* r10 = 4k */
+ bl 1f
+
+0:
+ /* Defaults to 256M */
+ lis r10, 0x1000
+
+ bl 1f
+1: mflr r4
+ addi r4, r4, (2f-1b) /* virtual address of 2f */
+
+ subi r11, r10, 1 /* offsetmask = Pagesize - 1 */
+ not r10, r11 /* Pagemask = ~(offsetmask) */
+
+ and r5, r25, r10 /* Physical page */
+ and r6, r4, r11 /* offset within the current page */
+
+ or r5, r5, r6 /* Physical address for 2f */
+
+ /* Switch the TS in MSR to the original one */
+ mfmsr r8
+ insrwi r8, r7, 1, 26
+
+ mtspr SPRN_SRR1, r8
+ mtspr SPRN_SRR0, r5
+ rfi
+
+2:
+ /* Invalidate the tmp mapping */
+ lis r3, 0x8000 /* Way '0' */
+
+ clrrwi r24, r24, 12 /* Clear the valid bit */
+ tlbwe r24, r3, 0
+ tlbwe r25, r3, 1
+ tlbwe r26, r3, 2
+
+ /* Make sure we complete the TLB write and flush the shadow TLB */
+ isync
+
+#endif
+
+ppc44x_map_done:
+
/* Restore the parameters */
mr r3, r29
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index 0bb1f98613b..fbe1a12dc7f 100644
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -36,10 +36,7 @@ struct lppaca lppaca[] = {
[0 ... (NR_LPPACAS-1)] = {
.desc = 0xd397d781, /* "LpPa" */
.size = sizeof(struct lppaca),
- .dyn_proc_status = 2,
- .decr_val = 0x00ff0000,
.fpregs_in_use = 1,
- .end_of_quantum = 0xfffffffffffffffful,
.slb_count = 64,
.vmxregs_in_use = 0,
.page_ins = 0,
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index aa05935b694..7f8ec1de0ac 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -124,7 +124,7 @@ void enable_kernel_altivec(void)
if (current->thread.regs && (current->thread.regs->msr & MSR_VEC))
giveup_altivec(current);
else
- giveup_altivec(NULL); /* just enable AltiVec for kernel - force */
+ giveup_altivec_notask();
#else
giveup_altivec(last_task_used_altivec);
#endif /* CONFIG_SMP */
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 99860273211..1b488e5305c 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -680,6 +680,9 @@ static void __init early_cmdline_parse(void)
#define OV3_VMX 0x40 /* VMX/Altivec */
#define OV3_DFP 0x20 /* decimal FP */
+/* Option vector 4: IBM PAPR implementation */
+#define OV4_MIN_ENT_CAP 0x01 /* minimum VP entitled capacity */
+
/* Option vector 5: PAPR/OF options supported */
#define OV5_LPAR 0x80 /* logical partitioning supported */
#define OV5_SPLPAR 0x40 /* shared-processor LPAR supported */
@@ -701,6 +704,8 @@ static void __init early_cmdline_parse(void)
#define OV5_XCMO 0x00
#endif
#define OV5_TYPE1_AFFINITY 0x80 /* Type 1 NUMA affinity */
+#define OV5_PFO_HW_RNG 0x80 /* PFO Random Number Generator */
+#define OV5_PFO_HW_ENCR 0x20 /* PFO Encryption Accelerator */
/* Option Vector 6: IBM PAPR hints */
#define OV6_LINUX 0x02 /* Linux is our OS */
@@ -744,11 +749,12 @@ static unsigned char ibm_architecture_vec[] = {
OV3_FP | OV3_VMX | OV3_DFP,
/* option vector 4: IBM PAPR implementation */
- 2 - 2, /* length */
+ 3 - 2, /* length */
0, /* don't halt */
+ OV4_MIN_ENT_CAP, /* minimum VP entitled capacity */
/* option vector 5: PAPR/OF options */
- 13 - 2, /* length */
+ 18 - 2, /* length */
0, /* don't ignore, don't halt */
OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES | OV5_DRCONF_MEMORY |
OV5_DONATE_DEDICATE_CPU | OV5_MSI,
@@ -762,8 +768,13 @@ static unsigned char ibm_architecture_vec[] = {
* must match by the macro below. Update the definition if
* the structure layout changes.
*/
-#define IBM_ARCH_VEC_NRCORES_OFFSET 100
+#define IBM_ARCH_VEC_NRCORES_OFFSET 101
W(NR_CPUS), /* number of cores supported */
+ 0,
+ 0,
+ 0,
+ 0,
+ OV5_PFO_HW_RNG | OV5_PFO_HW_ENCR,
/* option vector 6: IBM PAPR hints */
4 - 2, /* length */
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index dd5e214cdf2..c10fc28b909 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -1432,40 +1432,6 @@ static long ppc_del_hwdebug(struct task_struct *child, long addr, long data)
#endif
}
-/*
- * Here are the old "legacy" powerpc specific getregs/setregs ptrace calls,
- * we mark them as obsolete now, they will be removed in a future version
- */
-static long arch_ptrace_old(struct task_struct *child, long request,
- unsigned long addr, unsigned long data)
-{
- void __user *datavp = (void __user *) data;
-
- switch (request) {
- case PPC_PTRACE_GETREGS: /* Get GPRs 0 - 31. */
- return copy_regset_to_user(child, &user_ppc_native_view,
- REGSET_GPR, 0, 32 * sizeof(long),
- datavp);
-
- case PPC_PTRACE_SETREGS: /* Set GPRs 0 - 31. */
- return copy_regset_from_user(child, &user_ppc_native_view,
- REGSET_GPR, 0, 32 * sizeof(long),
- datavp);
-
- case PPC_PTRACE_GETFPREGS: /* Get FPRs 0 - 31. */
- return copy_regset_to_user(child, &user_ppc_native_view,
- REGSET_FPR, 0, 32 * sizeof(double),
- datavp);
-
- case PPC_PTRACE_SETFPREGS: /* Set FPRs 0 - 31. */
- return copy_regset_from_user(child, &user_ppc_native_view,
- REGSET_FPR, 0, 32 * sizeof(double),
- datavp);
- }
-
- return -EPERM;
-}
-
long arch_ptrace(struct task_struct *child, long request,
unsigned long addr, unsigned long data)
{
@@ -1687,14 +1653,6 @@ long arch_ptrace(struct task_struct *child, long request,
datavp);
#endif
- /* Old reverse args ptrace callss */
- case PPC_PTRACE_GETREGS: /* Get GPRs 0 - 31. */
- case PPC_PTRACE_SETREGS: /* Set GPRs 0 - 31. */
- case PPC_PTRACE_GETFPREGS: /* Get FPRs 0 - 31. */
- case PPC_PTRACE_SETFPREGS: /* Get FPRs 0 - 31. */
- ret = arch_ptrace_old(child, request, addr, data);
- break;
-
default:
ret = ptrace_request(child, request, addr, data);
break;
diff --git a/arch/powerpc/kernel/ptrace32.c b/arch/powerpc/kernel/ptrace32.c
index 469349d14a9..8c21658719d 100644
--- a/arch/powerpc/kernel/ptrace32.c
+++ b/arch/powerpc/kernel/ptrace32.c
@@ -39,30 +39,6 @@
* in exit.c or in signal.c.
*/
-/*
- * Here are the old "legacy" powerpc specific getregs/setregs ptrace calls,
- * we mark them as obsolete now, they will be removed in a future version
- */
-static long compat_ptrace_old(struct task_struct *child, long request,
- long addr, long data)
-{
- switch (request) {
- case PPC_PTRACE_GETREGS: /* Get GPRs 0 - 31. */
- return copy_regset_to_user(child,
- task_user_regset_view(current), 0,
- 0, 32 * sizeof(compat_long_t),
- compat_ptr(data));
-
- case PPC_PTRACE_SETREGS: /* Set GPRs 0 - 31. */
- return copy_regset_from_user(child,
- task_user_regset_view(current), 0,
- 0, 32 * sizeof(compat_long_t),
- compat_ptr(data));
- }
-
- return -EPERM;
-}
-
/* Macros to workout the correct index for the FPR in the thread struct */
#define FPRNUMBER(i) (((i) - PT_FPR0) >> 1)
#define FPRHALF(i) (((i) - PT_FPR0) & 1)
@@ -308,8 +284,6 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
case PTRACE_SETVSRREGS:
case PTRACE_GETREGS64:
case PTRACE_SETREGS64:
- case PPC_PTRACE_GETFPREGS:
- case PPC_PTRACE_SETFPREGS:
case PTRACE_KILL:
case PTRACE_SINGLESTEP:
case PTRACE_DETACH:
@@ -322,12 +296,6 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
ret = arch_ptrace(child, request, addr, data);
break;
- /* Old reverse args ptrace callss */
- case PPC_PTRACE_GETREGS: /* Get GPRs 0 - 31. */
- case PPC_PTRACE_SETREGS: /* Set GPRs 0 - 31. */
- ret = compat_ptrace_old(child, request, addr, data);
- break;
-
default:
ret = compat_ptrace_request(child, request, addr, data);
break;
diff --git a/arch/powerpc/kernel/vector.S b/arch/powerpc/kernel/vector.S
index 4d5a3edff49..e830289d2e4 100644
--- a/arch/powerpc/kernel/vector.S
+++ b/arch/powerpc/kernel/vector.S
@@ -89,6 +89,16 @@ _GLOBAL(load_up_altivec)
/* restore registers and return */
blr
+_GLOBAL(giveup_altivec_notask)
+ mfmsr r3
+ andis. r4,r3,MSR_VEC@h
+ bnelr /* Already enabled? */
+ oris r3,r3,MSR_VEC@h
+ SYNC
+ MTMSRD(r3) /* enable use of VMX now */
+ isync
+ blr
+
/*
* giveup_altivec(tsk)
* Disable VMX for the task given as the argument,
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index a3a99901c8e..cb87301ccd5 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -14,7 +14,9 @@
* 2 of the License, or (at your option) any later version.
*/
+#include <linux/cpu.h>
#include <linux/types.h>
+#include <linux/delay.h>
#include <linux/stat.h>
#include <linux/device.h>
#include <linux/init.h>
@@ -709,13 +711,26 @@ static int vio_cmo_bus_probe(struct vio_dev *viodev)
struct vio_driver *viodrv = to_vio_driver(dev->driver);
unsigned long flags;
size_t size;
+ bool dma_capable = false;
+
+ /* A device requires entitlement if it has a DMA window property */
+ switch (viodev->family) {
+ case VDEVICE:
+ if (of_get_property(viodev->dev.of_node,
+ "ibm,my-dma-window", NULL))
+ dma_capable = true;
+ break;
+ case PFO:
+ dma_capable = false;
+ break;
+ default:
+ dev_warn(dev, "unknown device family: %d\n", viodev->family);
+ BUG();
+ break;
+ }
- /*
- * Check to see that device has a DMA window and configure
- * entitlement for the device.
- */
- if (of_get_property(viodev->dev.of_node,
- "ibm,my-dma-window", NULL)) {
+ /* Configure entitlement for the device. */
+ if (dma_capable) {
/* Check that the driver is CMO enabled and get desired DMA */
if (!viodrv->get_desired_dma) {
dev_err(dev, "%s: device driver does not support CMO\n",
@@ -1050,6 +1065,94 @@ static void vio_cmo_sysfs_init(void) { }
EXPORT_SYMBOL(vio_cmo_entitlement_update);
EXPORT_SYMBOL(vio_cmo_set_dev_desired);
+
+/*
+ * Platform Facilities Option (PFO) support
+ */
+
+/**
+ * vio_h_cop_sync - Perform a synchronous PFO co-processor operation
+ *
+ * @vdev - Pointer to a struct vio_dev for device
+ * @op - Pointer to a struct vio_pfo_op for the operation parameters
+ *
+ * Calls the hypervisor to synchronously perform the PFO operation
+ * described in @op. In the case of a busy response from the hypervisor,
+ * the operation will be re-submitted indefinitely unless a non-zero timeout
+ * is specified or an error occurs. The timeout places a limit on when to
+ * stop re-submitting a operation, the total time can be exceeded if an
+ * operation is in progress.
+ *
+ * If op->hcall_ret is not NULL, this will be set to the return from the
+ * last h_cop_op call or it will be 0 if an error not involving the h_call
+ * was encountered.
+ *
+ * Returns:
+ * 0 on success,
+ * -EINVAL if the h_call fails due to an invalid parameter,
+ * -E2BIG if the h_call can not be performed synchronously,
+ * -EBUSY if a timeout is specified and has elapsed,
+ * -EACCES if the memory area for data/status has been rescinded, or
+ * -EPERM if a hardware fault has been indicated
+ */
+int vio_h_cop_sync(struct vio_dev *vdev, struct vio_pfo_op *op)
+{
+ struct device *dev = &vdev->dev;
+ unsigned long deadline = 0;
+ long hret = 0;
+ int ret = 0;
+
+ if (op->timeout)
+ deadline = jiffies + msecs_to_jiffies(op->timeout);
+
+ while (true) {
+ hret = plpar_hcall_norets(H_COP, op->flags,
+ vdev->resource_id,
+ op->in, op->inlen, op->out,
+ op->outlen, op->csbcpb);
+
+ if (hret == H_SUCCESS ||
+ (hret != H_NOT_ENOUGH_RESOURCES &&
+ hret != H_BUSY && hret != H_RESOURCE) ||
+ (op->timeout && time_after(deadline, jiffies)))
+ break;
+
+ dev_dbg(dev, "%s: hcall ret(%ld), retrying.\n", __func__, hret);
+ }
+
+ switch (hret) {
+ case H_SUCCESS:
+ ret = 0;
+ break;
+ case H_OP_MODE:
+ case H_TOO_BIG:
+ ret = -E2BIG;
+ break;
+ case H_RESCINDED:
+ ret = -EACCES;
+ break;
+ case H_HARDWARE:
+ ret = -EPERM;
+ break;
+ case H_NOT_ENOUGH_RESOURCES:
+ case H_RESOURCE:
+ case H_BUSY:
+ ret = -EBUSY;
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ if (ret)
+ dev_dbg(dev, "%s: Sync h_cop_op failure (ret:%d) (hret:%ld)\n",
+ __func__, ret, hret);
+
+ op->hcall_err = hret;
+ return ret;
+}
+EXPORT_SYMBOL(vio_h_cop_sync);
+
static struct iommu_table *vio_build_iommu_table(struct vio_dev *dev)
{
const unsigned char *dma_window;
@@ -1211,35 +1314,87 @@ static void __devinit vio_dev_release(struct device *dev)
struct vio_dev *vio_register_device_node(struct device_node *of_node)
{
struct vio_dev *viodev;
+ struct device_node *parent_node;
const unsigned int *unit_address;
+ const unsigned int *pfo_resid = NULL;
+ enum vio_dev_family family;
+ const char *of_node_name = of_node->name ? of_node->name : "<unknown>";
- /* we need the 'device_type' property, in order to match with drivers */
- if (of_node->type == NULL) {
- printk(KERN_WARNING "%s: node %s missing 'device_type'\n",
- __func__,
- of_node->name ? of_node->name : "<unknown>");
+ /*
+ * Determine if this node is a under the /vdevice node or under the
+ * /ibm,platform-facilities node. This decides the device's family.
+ */
+ parent_node = of_get_parent(of_node);
+ if (parent_node) {
+ if (!strcmp(parent_node->full_name, "/ibm,platform-facilities"))
+ family = PFO;
+ else if (!strcmp(parent_node->full_name, "/vdevice"))
+ family = VDEVICE;
+ else {
+ pr_warn("%s: parent(%s) of %s not recognized.\n",
+ __func__,
+ parent_node->full_name,
+ of_node_name);
+ of_node_put(parent_node);
+ return NULL;
+ }
+ of_node_put(parent_node);
+ } else {
+ pr_warn("%s: could not determine the parent of node %s.\n",
+ __func__, of_node_name);
return NULL;
}
- unit_address = of_get_property(of_node, "reg", NULL);
- if (unit_address == NULL) {
- printk(KERN_WARNING "%s: node %s missing 'reg'\n",
- __func__,
- of_node->name ? of_node->name : "<unknown>");
- return NULL;
+ if (family == PFO) {
+ if (of_get_property(of_node, "interrupt-controller", NULL)) {
+ pr_debug("%s: Skipping the interrupt controller %s.\n",
+ __func__, of_node_name);
+ return NULL;
+ }
}
/* allocate a vio_dev for this node */
viodev = kzalloc(sizeof(struct vio_dev), GFP_KERNEL);
- if (viodev == NULL)
+ if (viodev == NULL) {
+ pr_warn("%s: allocation failure for VIO device.\n", __func__);
return NULL;
+ }
- viodev->irq = irq_of_parse_and_map(of_node, 0);
+ /* we need the 'device_type' property, in order to match with drivers */
+ viodev->family = family;
+ if (viodev->family == VDEVICE) {
+ if (of_node->type != NULL)
+ viodev->type = of_node->type;
+ else {
+ pr_warn("%s: node %s is missing the 'device_type' "
+ "property.\n", __func__, of_node_name);
+ goto out;
+ }
+
+ unit_address = of_get_property(of_node, "reg", NULL);
+ if (unit_address == NULL) {
+ pr_warn("%s: node %s missing 'reg'\n",
+ __func__, of_node_name);
+ goto out;
+ }
+ dev_set_name(&viodev->dev, "%x", *unit_address);
+ viodev->irq = irq_of_parse_and_map(of_node, 0);
+ viodev->unit_address = *unit_address;
+ } else {
+ /* PFO devices need their resource_id for submitting COP_OPs
+ * This is an optional field for devices, but is required when
+ * performing synchronous ops */
+ pfo_resid = of_get_property(of_node, "ibm,resource-id", NULL);
+ if (pfo_resid != NULL)
+ viodev->resource_id = *pfo_resid;
+
+ unit_address = NULL;
+ dev_set_name(&viodev->dev, "%s", of_node_name);
+ viodev->type = of_node_name;
+ viodev->irq = 0;
+ }
- dev_set_name(&viodev->dev, "%x", *unit_address);
viodev->name = of_node->name;
- viodev->type = of_node->type;
- viodev->unit_address = *unit_address;
viodev->dev.of_node = of_node_get(of_node);
if (firmware_has_feature(FW_FEATURE_CMO))
@@ -1267,16 +1422,51 @@ struct vio_dev *vio_register_device_node(struct device_node *of_node)
}
return viodev;
+
+out: /* Use this exit point for any return prior to device_register */
+ kfree(viodev);
+
+ return NULL;
}
EXPORT_SYMBOL(vio_register_device_node);
+/*
+ * vio_bus_scan_for_devices - Scan OF and register each child device
+ * @root_name - OF node name for the root of the subtree to search.
+ * This must be non-NULL
+ *
+ * Starting from the root node provide, register the device node for
+ * each child beneath the root.
+ */
+static void vio_bus_scan_register_devices(char *root_name)
+{
+ struct device_node *node_root, *node_child;
+
+ if (!root_name)
+ return;
+
+ node_root = of_find_node_by_name(NULL, root_name);
+ if (node_root) {
+
+ /*
+ * Create struct vio_devices for each virtual device in
+ * the device tree. Drivers will associate with them later.
+ */
+ node_child = of_get_next_child(node_root, NULL);
+ while (node_child) {
+ vio_register_device_node(node_child);
+ node_child = of_get_next_child(node_root, node_child);
+ }
+ of_node_put(node_root);
+ }
+}
+
/**
* vio_bus_init: - Initialize the virtual IO bus
*/
static int __init vio_bus_init(void)
{
int err;
- struct device_node *node_vroot;
if (firmware_has_feature(FW_FEATURE_CMO))
vio_cmo_sysfs_init();
@@ -1301,19 +1491,8 @@ static int __init vio_bus_init(void)
if (firmware_has_feature(FW_FEATURE_CMO))
vio_cmo_bus_init();
- node_vroot = of_find_node_by_name(NULL, "vdevice");
- if (node_vroot) {
- struct device_node *of_node;
-
- /*
- * Create struct vio_devices for each virtual device in
- * the device tree. Drivers will associate with them later.
- */
- for (of_node = node_vroot->child; of_node != NULL;
- of_node = of_node->sibling)
- vio_register_device_node(of_node);
- of_node_put(node_vroot);
- }
+ vio_bus_scan_register_devices("vdevice");
+ vio_bus_scan_register_devices("ibm,platform-facilities");
return 0;
}
@@ -1436,12 +1615,28 @@ struct vio_dev *vio_find_node(struct device_node *vnode)
{
const uint32_t *unit_address;
char kobj_name[20];
+ struct device_node *vnode_parent;
+ const char *dev_type;
+
+ vnode_parent = of_get_parent(vnode);
+ if (!vnode_parent)
+ return NULL;
+
+ dev_type = of_get_property(vnode_parent, "device_type", NULL);
+ of_node_put(vnode_parent);
+ if (!dev_type)
+ return NULL;
/* construct the kobject name from the device node */
- unit_address = of_get_property(vnode, "reg", NULL);
- if (!unit_address)
+ if (!strcmp(dev_type, "vdevice")) {
+ unit_address = of_get_property(vnode, "reg", NULL);
+ if (!unit_address)
+ return NULL;
+ snprintf(kobj_name, sizeof(kobj_name), "%x", *unit_address);
+ } else if (!strcmp(dev_type, "ibm,platform-facilities"))
+ snprintf(kobj_name, sizeof(kobj_name), "%s", vnode->name);
+ else
return NULL;
- snprintf(kobj_name, sizeof(kobj_name), "%x", *unit_address);
return vio_find_name(kobj_name);
}
diff --git a/arch/powerpc/lib/copyuser_64.S b/arch/powerpc/lib/copyuser_64.S
index 773d38f90aa..d73a5901490 100644
--- a/arch/powerpc/lib/copyuser_64.S
+++ b/arch/powerpc/lib/copyuser_64.S
@@ -30,7 +30,7 @@ _GLOBAL(__copy_tofrom_user_base)
dcbt 0,r4
beq .Lcopy_page_4K
andi. r6,r6,7
- PPC_MTOCRF 0x01,r5
+ PPC_MTOCRF(0x01,r5)
blt cr1,.Lshort_copy
/* Below we want to nop out the bne if we're on a CPU that has the
* CPU_FTR_UNALIGNED_LD_STD bit set and the CPU_FTR_CP_USE_DCBTZ bit
@@ -186,7 +186,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
blr
.Ldst_unaligned:
- PPC_MTOCRF 0x01,r6 /* put #bytes to 8B bdry into cr7 */
+ PPC_MTOCRF(0x01,r6) /* put #bytes to 8B bdry into cr7 */
subf r5,r6,r5
li r7,0
cmpldi cr1,r5,16
@@ -201,7 +201,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
2: bf cr7*4+1,3f
37: lwzx r0,r7,r4
83: stwx r0,r7,r3
-3: PPC_MTOCRF 0x01,r5
+3: PPC_MTOCRF(0x01,r5)
add r4,r6,r4
add r3,r6,r3
b .Ldst_aligned
diff --git a/arch/powerpc/lib/mem_64.S b/arch/powerpc/lib/mem_64.S
index 11ce045e21f..f4fcb0bc656 100644
--- a/arch/powerpc/lib/mem_64.S
+++ b/arch/powerpc/lib/mem_64.S
@@ -19,7 +19,7 @@ _GLOBAL(memset)
rlwimi r4,r4,16,0,15
cmplw cr1,r5,r0 /* do we get that far? */
rldimi r4,r4,32,0
- PPC_MTOCRF 1,r0
+ PPC_MTOCRF(1,r0)
mr r6,r3
blt cr1,8f
beq+ 3f /* if already 8-byte aligned */
@@ -49,7 +49,7 @@ _GLOBAL(memset)
bdnz 4b
5: srwi. r0,r5,3
clrlwi r5,r5,29
- PPC_MTOCRF 1,r0
+ PPC_MTOCRF(1,r0)
beq 8f
bf 29,6f
std r4,0(r6)
@@ -65,7 +65,7 @@ _GLOBAL(memset)
std r4,0(r6)
addi r6,r6,8
8: cmpwi r5,0
- PPC_MTOCRF 1,r5
+ PPC_MTOCRF(1,r5)
beqlr+
bf 29,9f
stw r4,0(r6)
diff --git a/arch/powerpc/lib/memcpy_64.S b/arch/powerpc/lib/memcpy_64.S
index e178922b2c2..82fea3963e1 100644
--- a/arch/powerpc/lib/memcpy_64.S
+++ b/arch/powerpc/lib/memcpy_64.S
@@ -12,7 +12,7 @@
.align 7
_GLOBAL(memcpy)
std r3,48(r1) /* save destination pointer for return value */
- PPC_MTOCRF 0x01,r5
+ PPC_MTOCRF(0x01,r5)
cmpldi cr1,r5,16
neg r6,r3 # LS 3 bits = # bytes to 8-byte dest bdry
andi. r6,r6,7
@@ -154,7 +154,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
blr
.Ldst_unaligned:
- PPC_MTOCRF 0x01,r6 # put #bytes to 8B bdry into cr7
+ PPC_MTOCRF(0x01,r6) # put #bytes to 8B bdry into cr7
subf r5,r6,r5
li r7,0
cmpldi cr1,r5,16
@@ -169,7 +169,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
2: bf cr7*4+1,3f
lwzx r0,r7,r4
stwx r0,r7,r3
-3: PPC_MTOCRF 0x01,r5
+3: PPC_MTOCRF(0x01,r5)
add r4,r6,r4
add r3,r6,r3
b .Ldst_aligned
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 2e4e64abfab..8abf6fb8f41 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -23,6 +23,8 @@ config BLUESTONE
default n
select PPC44x_SIMPLE
select APM821xx
+ select PCI_MSI
+ select PPC4xx_MSI
select PPC4xx_PCI_EXPRESS
select IBM_EMAC_RGMII
help
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 9c80fc07384..61c9550819a 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -78,6 +78,36 @@ config PPC_BOOK3E_64
endchoice
+choice
+ prompt "CPU selection"
+ depends on PPC64
+ default GENERIC_CPU
+ help
+ This will create a kernel which is optimised for a particular CPU.
+ The resulting kernel may not run on other CPUs, so use this with care.
+
+ If unsure, select Generic.
+
+config GENERIC_CPU
+ bool "Generic"
+
+config CELL_CPU
+ bool "Cell Broadband Engine"
+
+config POWER4_CPU
+ bool "POWER4"
+
+config POWER5_CPU
+ bool "POWER5"
+
+config POWER6_CPU
+ bool "POWER6"
+
+config POWER7_CPU
+ bool "POWER7"
+
+endchoice
+
config PPC_BOOK3S
def_bool y
depends on PPC_BOOK3S_32 || PPC_BOOK3S_64
@@ -86,15 +116,6 @@ config PPC_BOOK3E
def_bool y
depends on PPC_BOOK3E_64
-config POWER4_ONLY
- bool "Optimize for POWER4"
- depends on PPC64 && PPC_BOOK3S
- default n
- ---help---
- Cause the compiler to optimize for POWER4/POWER5/PPC970 processors.
- The resulting binary will not work on POWER3 or RS64 processors
- when compiled with binutils 2.15 or later.
-
config 6xx
def_bool y
depends on PPC32 && PPC_BOOK3S
diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c
index 03685a329d7..fc536f2971c 100644
--- a/arch/powerpc/platforms/powermac/low_i2c.c
+++ b/arch/powerpc/platforms/powermac/low_i2c.c
@@ -1503,6 +1503,7 @@ static int __init pmac_i2c_create_platform_devices(void)
if (bus->platform_dev == NULL)
return -ENOMEM;
bus->platform_dev->dev.platform_data = bus;
+ bus->platform_dev->dev.of_node = bus->busnode;
platform_device_add(bus->platform_dev);
}
diff --git a/arch/powerpc/platforms/ps3/Kconfig b/arch/powerpc/platforms/ps3/Kconfig
index 476d9d9b240..46b7f023252 100644
--- a/arch/powerpc/platforms/ps3/Kconfig
+++ b/arch/powerpc/platforms/ps3/Kconfig
@@ -7,7 +7,6 @@ config PPC_PS3
select USB_OHCI_BIG_ENDIAN_MMIO
select USB_ARCH_HAS_EHCI
select USB_EHCI_BIG_ENDIAN_MMIO
- select MEMORY_HOTPLUG
select PPC_PCI_CHOICE
help
This option enables support for the Sony PS3 game console
@@ -74,7 +73,7 @@ config PS3_PS3AV
help
Include support for the PS3 AV Settings driver.
- This support is required for graphics and sound. In
+ This support is required for PS3 graphics and sound. In
general, all users will say Y or M.
config PS3_SYS_MANAGER
@@ -85,9 +84,22 @@ config PS3_SYS_MANAGER
help
Include support for the PS3 System Manager.
- This support is required for system control. In
+ This support is required for PS3 system control. In
general, all users will say Y or M.
+config PS3_REPOSITORY_WRITE
+ bool "PS3 Repository write support" if PS3_ADVANCED
+ depends on PPC_PS3
+ default n
+ help
+ Enables support for writing to the PS3 System Repository.
+
+ This support is intended for bootloaders that need to store data
+ in the repository for later boot stages.
+
+ If in doubt, say N here and reduce the size of the kernel by a
+ small amount.
+
config PS3_STORAGE
depends on PPC_PS3
tristate
@@ -122,7 +134,7 @@ config PS3_FLASH
This support is required to access the PS3 FLASH ROM, which
contains the boot loader and some boot options.
- In general, all users will say Y or M.
+ In general, PS3 OtherOS users will say Y or M.
As this driver needs a fixed buffer of 256 KiB of memory, it can
be disabled on the kernel command line using "ps3flash=off", to
@@ -156,7 +168,7 @@ config PS3GELIC_UDBG
via the Ethernet port (UDP port number 18194).
This driver uses a trivial implementation and is independent
- from the main network driver.
+ from the main PS3 gelic network driver.
If in doubt, say N here.
diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c
index de2aea42170..0c9f643d9e2 100644
--- a/arch/powerpc/platforms/ps3/mm.c
+++ b/arch/powerpc/platforms/ps3/mm.c
@@ -20,7 +20,6 @@
#include <linux/kernel.h>
#include <linux/export.h>
-#include <linux/memory_hotplug.h>
#include <linux/memblock.h>
#include <linux/slab.h>
@@ -79,12 +78,14 @@ enum {
* @base: base address
* @size: size in bytes
* @offset: difference between base and rm.size
+ * @destroy: flag if region should be destroyed upon shutdown
*/
struct mem_region {
u64 base;
u64 size;
unsigned long offset;
+ int destroy;
};
/**
@@ -96,7 +97,7 @@ struct mem_region {
* The HV virtual address space (vas) allows for hotplug memory regions.
* Memory regions can be created and destroyed in the vas at runtime.
* @rm: real mode (bootmem) region
- * @r1: hotplug memory region(s)
+ * @r1: highmem region(s)
*
* ps3 addresses
* virt_addr: a cpu 'translated' effective address
@@ -222,10 +223,6 @@ void ps3_mm_vas_destroy(void)
}
}
-/*============================================================================*/
-/* memory hotplug routines */
-/*============================================================================*/
-
/**
* ps3_mm_region_create - create a memory region in the vas
* @r: pointer to a struct mem_region to accept initialized values
@@ -262,6 +259,7 @@ static int ps3_mm_region_create(struct mem_region *r, unsigned long size)
goto zero_region;
}
+ r->destroy = 1;
r->offset = r->base - map.rm.size;
return result;
@@ -279,7 +277,14 @@ static void ps3_mm_region_destroy(struct mem_region *r)
{
int result;
+ if (!r->destroy) {
+ pr_info("%s:%d: Not destroying high region: %llxh %llxh\n",
+ __func__, __LINE__, r->base, r->size);
+ return;
+ }
+
DBG("%s:%d: r->base = %llxh\n", __func__, __LINE__, r->base);
+
if (r->base) {
result = lv1_release_memory(r->base);
BUG_ON(result);
@@ -288,50 +293,36 @@ static void ps3_mm_region_destroy(struct mem_region *r)
}
}
-/**
- * ps3_mm_add_memory - hot add memory
- */
-
-static int __init ps3_mm_add_memory(void)
+static int ps3_mm_get_repository_highmem(struct mem_region *r)
{
int result;
- unsigned long start_addr;
- unsigned long start_pfn;
- unsigned long nr_pages;
-
- if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
- return -ENODEV;
- BUG_ON(!mem_init_done);
+ /* Assume a single highmem region. */
- start_addr = map.rm.size;
- start_pfn = start_addr >> PAGE_SHIFT;
- nr_pages = (map.r1.size + PAGE_SIZE - 1) >> PAGE_SHIFT;
+ result = ps3_repository_read_highmem_info(0, &r->base, &r->size);
- DBG("%s:%d: start_addr %lxh, start_pfn %lxh, nr_pages %lxh\n",
- __func__, __LINE__, start_addr, start_pfn, nr_pages);
-
- result = add_memory(0, start_addr, map.r1.size);
+ if (result)
+ goto zero_region;
- if (result) {
- pr_err("%s:%d: add_memory failed: (%d)\n",
- __func__, __LINE__, result);
- return result;
+ if (!r->base || !r->size) {
+ result = -1;
+ goto zero_region;
}
- memblock_add(start_addr, map.r1.size);
+ r->offset = r->base - map.rm.size;
- result = online_pages(start_pfn, nr_pages);
+ DBG("%s:%d: Found high region in repository: %llxh %llxh\n",
+ __func__, __LINE__, r->base, r->size);
- if (result)
- pr_err("%s:%d: online_pages failed: (%d)\n",
- __func__, __LINE__, result);
+ return 0;
+zero_region:
+ DBG("%s:%d: No high region in repository.\n", __func__, __LINE__);
+
+ r->size = r->base = r->offset = 0;
return result;
}
-device_initcall(ps3_mm_add_memory);
-
/*============================================================================*/
/* dma routines */
/*============================================================================*/
@@ -1217,13 +1208,23 @@ void __init ps3_mm_init(void)
BUG_ON(map.rm.base);
BUG_ON(!map.rm.size);
+ /* Check if we got the highmem region from an earlier boot step */
- /* arrange to do this in ps3_mm_add_memory */
- ps3_mm_region_create(&map.r1, map.total - map.rm.size);
+ if (ps3_mm_get_repository_highmem(&map.r1))
+ ps3_mm_region_create(&map.r1, map.total - map.rm.size);
/* correct map.total for the real total amount of memory we use */
map.total = map.rm.size + map.r1.size;
+ if (!map.r1.size) {
+ DBG("%s:%d: No highmem region found\n", __func__, __LINE__);
+ } else {
+ DBG("%s:%d: Adding highmem region: %llxh %llxh\n",
+ __func__, __LINE__, map.rm.size,
+ map.total - map.rm.size);
+ memblock_add(map.rm.size, map.total - map.rm.size);
+ }
+
DBG(" <- %s:%d\n", __func__, __LINE__);
}
diff --git a/arch/powerpc/platforms/ps3/platform.h b/arch/powerpc/platforms/ps3/platform.h
index 1a633ed0fe9..d71329a8e32 100644
--- a/arch/powerpc/platforms/ps3/platform.h
+++ b/arch/powerpc/platforms/ps3/platform.h
@@ -188,6 +188,22 @@ int ps3_repository_read_rm_size(unsigned int ppe_id, u64 *rm_size);
int ps3_repository_read_region_total(u64 *region_total);
int ps3_repository_read_mm_info(u64 *rm_base, u64 *rm_size,
u64 *region_total);
+int ps3_repository_read_highmem_region_count(unsigned int *region_count);
+int ps3_repository_read_highmem_base(unsigned int region_index,
+ u64 *highmem_base);
+int ps3_repository_read_highmem_size(unsigned int region_index,
+ u64 *highmem_size);
+int ps3_repository_read_highmem_info(unsigned int region_index,
+ u64 *highmem_base, u64 *highmem_size);
+
+int ps3_repository_write_highmem_region_count(unsigned int region_count);
+int ps3_repository_write_highmem_base(unsigned int region_index,
+ u64 highmem_base);
+int ps3_repository_write_highmem_size(unsigned int region_index,
+ u64 highmem_size);
+int ps3_repository_write_highmem_info(unsigned int region_index,
+ u64 highmem_base, u64 highmem_size);
+int ps3_repository_delete_highmem_info(unsigned int region_index);
/* repository pme info */
diff --git a/arch/powerpc/platforms/ps3/repository.c b/arch/powerpc/platforms/ps3/repository.c
index 7bdfea336f5..9b47ba7a5de 100644
--- a/arch/powerpc/platforms/ps3/repository.c
+++ b/arch/powerpc/platforms/ps3/repository.c
@@ -779,6 +779,72 @@ int ps3_repository_read_mm_info(u64 *rm_base, u64 *rm_size, u64 *region_total)
}
/**
+ * ps3_repository_read_highmem_region_count - Read the number of highmem regions
+ *
+ * Bootloaders must arrange the repository nodes such that regions are indexed
+ * with a region_index from 0 to region_count-1.
+ */
+
+int ps3_repository_read_highmem_region_count(unsigned int *region_count)
+{
+ int result;
+ u64 v1 = 0;
+
+ result = read_node(PS3_LPAR_ID_CURRENT,
+ make_first_field("highmem", 0),
+ make_field("region", 0),
+ make_field("count", 0),
+ 0,
+ &v1, NULL);
+ *region_count = v1;
+ return result;
+}
+
+
+int ps3_repository_read_highmem_base(unsigned int region_index,
+ u64 *highmem_base)
+{
+ return read_node(PS3_LPAR_ID_CURRENT,
+ make_first_field("highmem", 0),
+ make_field("region", region_index),
+ make_field("base", 0),
+ 0,
+ highmem_base, NULL);
+}
+
+int ps3_repository_read_highmem_size(unsigned int region_index,
+ u64 *highmem_size)
+{
+ return read_node(PS3_LPAR_ID_CURRENT,
+ make_first_field("highmem", 0),
+ make_field("region", region_index),
+ make_field("size", 0),
+ 0,
+ highmem_size, NULL);
+}
+
+/**
+ * ps3_repository_read_highmem_info - Read high memory region info
+ * @region_index: Region index, {0,..,region_count-1}.
+ * @highmem_base: High memory base address.
+ * @highmem_size: High memory size.
+ *
+ * Bootloaders that preallocate highmem regions must place the
+ * region info into the repository at these well known nodes.
+ */
+
+int ps3_repository_read_highmem_info(unsigned int region_index,
+ u64 *highmem_base, u64 *highmem_size)
+{
+ int result;
+
+ *highmem_base = 0;
+ result = ps3_repository_read_highmem_base(region_index, highmem_base);
+ return result ? result
+ : ps3_repository_read_highmem_size(region_index, highmem_size);
+}
+
+/**
* ps3_repository_read_num_spu_reserved - Number of physical spus reserved.
* @num_spu: Number of physical spus.
*/
@@ -1002,6 +1068,138 @@ int ps3_repository_read_lpm_privileges(unsigned int be_index, u64 *lpar,
lpar, rights);
}
+#if defined(CONFIG_PS3_REPOSITORY_WRITE)
+
+static int create_node(u64 n1, u64 n2, u64 n3, u64 n4, u64 v1, u64 v2)
+{
+ int result;
+
+ dump_node(0, n1, n2, n3, n4, v1, v2);
+
+ result = lv1_create_repository_node(n1, n2, n3, n4, v1, v2);
+
+ if (result) {
+ pr_devel("%s:%d: lv1_create_repository_node failed: %s\n",
+ __func__, __LINE__, ps3_result(result));
+ return -ENOENT;
+ }
+
+ return 0;
+}
+
+static int delete_node(u64 n1, u64 n2, u64 n3, u64 n4)
+{
+ int result;
+
+ dump_node(0, n1, n2, n3, n4, 0, 0);
+
+ result = lv1_delete_repository_node(n1, n2, n3, n4);
+
+ if (result) {
+ pr_devel("%s:%d: lv1_delete_repository_node failed: %s\n",
+ __func__, __LINE__, ps3_result(result));
+ return -ENOENT;
+ }
+
+ return 0;
+}
+
+static int write_node(u64 n1, u64 n2, u64 n3, u64 n4, u64 v1, u64 v2)
+{
+ int result;
+
+ result = create_node(n1, n2, n3, n4, v1, v2);
+
+ if (!result)
+ return 0;
+
+ result = lv1_write_repository_node(n1, n2, n3, n4, v1, v2);
+
+ if (result) {
+ pr_devel("%s:%d: lv1_write_repository_node failed: %s\n",
+ __func__, __LINE__, ps3_result(result));
+ return -ENOENT;
+ }
+
+ return 0;
+}
+
+int ps3_repository_write_highmem_region_count(unsigned int region_count)
+{
+ int result;
+ u64 v1 = (u64)region_count;
+
+ result = write_node(
+ make_first_field("highmem", 0),
+ make_field("region", 0),
+ make_field("count", 0),
+ 0,
+ v1, 0);
+ return result;
+}
+
+int ps3_repository_write_highmem_base(unsigned int region_index,
+ u64 highmem_base)
+{
+ return write_node(
+ make_first_field("highmem", 0),
+ make_field("region", region_index),
+ make_field("base", 0),
+ 0,
+ highmem_base, 0);
+}
+
+int ps3_repository_write_highmem_size(unsigned int region_index,
+ u64 highmem_size)
+{
+ return write_node(
+ make_first_field("highmem", 0),
+ make_field("region", region_index),
+ make_field("size", 0),
+ 0,
+ highmem_size, 0);
+}
+
+int ps3_repository_write_highmem_info(unsigned int region_index,
+ u64 highmem_base, u64 highmem_size)
+{
+ int result;
+
+ result = ps3_repository_write_highmem_base(region_index, highmem_base);
+ return result ? result
+ : ps3_repository_write_highmem_size(region_index, highmem_size);
+}
+
+static int ps3_repository_delete_highmem_base(unsigned int region_index)
+{
+ return delete_node(
+ make_first_field("highmem", 0),
+ make_field("region", region_index),
+ make_field("base", 0),
+ 0);
+}
+
+static int ps3_repository_delete_highmem_size(unsigned int region_index)
+{
+ return delete_node(
+ make_first_field("highmem", 0),
+ make_field("region", region_index),
+ make_field("size", 0),
+ 0);
+}
+
+int ps3_repository_delete_highmem_info(unsigned int region_index)
+{
+ int result;
+
+ result = ps3_repository_delete_highmem_base(region_index);
+ result += ps3_repository_delete_highmem_size(region_index);
+
+ return result ? -1 : 0;
+}
+
+#endif /* defined(CONFIG_PS3_WRITE_REPOSITORY) */
+
#if defined(DEBUG)
int ps3_repository_dump_resource_info(const struct ps3_repository_device *repo)
diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c
index a75e37dc41a..ecd394cf34e 100644
--- a/arch/powerpc/platforms/pseries/eeh.c
+++ b/arch/powerpc/platforms/pseries/eeh.c
@@ -489,7 +489,7 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev)
* a stack trace will help the device-driver authors figure
* out what happened. So print that out.
*/
- dump_stack();
+ WARN(1, "EEH: failure detected\n");
return 1;
dn_unlock:
diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h
index 342797fc0f9..13e8cc43adf 100644
--- a/arch/powerpc/platforms/pseries/plpar_wrappers.h
+++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h
@@ -22,12 +22,12 @@ static inline long poll_pending(void)
static inline u8 get_cede_latency_hint(void)
{
- return get_lppaca()->gpr5_dword.fields.cede_latency_hint;
+ return get_lppaca()->cede_latency_hint;
}
static inline void set_cede_latency_hint(u8 latency_hint)
{
- get_lppaca()->gpr5_dword.fields.cede_latency_hint = latency_hint;
+ get_lppaca()->cede_latency_hint = latency_hint;
}
static inline long cede_processor(void)
diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c
index 168651acdd8..7b3bf76ef83 100644
--- a/arch/powerpc/platforms/pseries/reconfig.c
+++ b/arch/powerpc/platforms/pseries/reconfig.c
@@ -103,11 +103,13 @@ int pSeries_reconfig_notifier_register(struct notifier_block *nb)
{
return blocking_notifier_chain_register(&pSeries_reconfig_chain, nb);
}
+EXPORT_SYMBOL_GPL(pSeries_reconfig_notifier_register);
void pSeries_reconfig_notifier_unregister(struct notifier_block *nb)
{
blocking_notifier_chain_unregister(&pSeries_reconfig_chain, nb);
}
+EXPORT_SYMBOL_GPL(pSeries_reconfig_notifier_unregister);
int pSeries_reconfig_notify(unsigned long action, void *p)
{
@@ -426,6 +428,7 @@ static int do_remove_property(char *buf, size_t bufsize)
static int do_update_property(char *buf, size_t bufsize)
{
struct device_node *np;
+ struct pSeries_reconfig_prop_update upd_value;
unsigned char *value;
char *name, *end, *next_prop;
int rc, length;
@@ -454,6 +457,10 @@ static int do_update_property(char *buf, size_t bufsize)
return -ENODEV;
}
+ upd_value.node = np;
+ upd_value.property = newprop;
+ pSeries_reconfig_notify(PSERIES_UPDATE_PROPERTY, &upd_value);
+
rc = prom_update_property(np, newprop, oldprop);
if (rc)
return rc;
diff --git a/arch/powerpc/sysdev/ppc4xx_msi.c b/arch/powerpc/sysdev/ppc4xx_msi.c
index 1c2d7af17bb..82c6702dcba 100644
--- a/arch/powerpc/sysdev/ppc4xx_msi.c
+++ b/arch/powerpc/sysdev/ppc4xx_msi.c
@@ -28,10 +28,11 @@
#include <linux/of_platform.h>
#include <linux/interrupt.h>
#include <linux/export.h>
+#include <linux/kernel.h>
#include <asm/prom.h>
#include <asm/hw_irq.h>
#include <asm/ppc-pci.h>
-#include <boot/dcr.h>
+#include <asm/dcr.h>
#include <asm/dcr-regs.h>
#include <asm/msi_bitmap.h>
@@ -43,13 +44,14 @@
#define PEIH_FLUSH0 0x30
#define PEIH_FLUSH1 0x38
#define PEIH_CNTRST 0x48
-#define NR_MSI_IRQS 4
+
+static int msi_irqs;
struct ppc4xx_msi {
u32 msi_addr_lo;
u32 msi_addr_hi;
void __iomem *msi_regs;
- int msi_virqs[NR_MSI_IRQS];
+ int *msi_virqs;
struct msi_bitmap bitmap;
struct device_node *msi_dev;
};
@@ -61,7 +63,7 @@ static int ppc4xx_msi_init_allocator(struct platform_device *dev,
{
int err;
- err = msi_bitmap_alloc(&msi_data->bitmap, NR_MSI_IRQS,
+ err = msi_bitmap_alloc(&msi_data->bitmap, msi_irqs,
dev->dev.of_node);
if (err)
return err;
@@ -83,6 +85,11 @@ static int ppc4xx_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
struct msi_desc *entry;
struct ppc4xx_msi *msi_data = &ppc4xx_msi;
+ msi_data->msi_virqs = kmalloc((msi_irqs) * sizeof(int),
+ GFP_KERNEL);
+ if (!msi_data->msi_virqs)
+ return -ENOMEM;
+
list_for_each_entry(entry, &dev->msi_list, list) {
int_no = msi_bitmap_alloc_hwirqs(&msi_data->bitmap, 1);
if (int_no >= 0)
@@ -150,12 +157,11 @@ static int ppc4xx_setup_pcieh_hw(struct platform_device *dev,
if (!sdr_addr)
return -1;
- SDR0_WRITE(sdr_addr, (u64)res.start >> 32); /*HIGH addr */
- SDR0_WRITE(sdr_addr + 1, res.start & 0xFFFFFFFF); /* Low addr */
-
+ mtdcri(SDR0, *sdr_addr, upper_32_bits(res.start)); /*HIGH addr */
+ mtdcri(SDR0, *sdr_addr + 1, lower_32_bits(res.start)); /* Low addr */
msi->msi_dev = of_find_node_by_name(NULL, "ppc4xx-msi");
- if (msi->msi_dev)
+ if (!msi->msi_dev)
return -ENODEV;
msi->msi_regs = of_iomap(msi->msi_dev, 0);
@@ -167,9 +173,12 @@ static int ppc4xx_setup_pcieh_hw(struct platform_device *dev,
(u32) (msi->msi_regs + PEIH_TERMADH), (u32) (msi->msi_regs));
msi_virt = dma_alloc_coherent(&dev->dev, 64, &msi_phys, GFP_KERNEL);
- msi->msi_addr_hi = 0x0;
- msi->msi_addr_lo = (u32) msi_phys;
- dev_dbg(&dev->dev, "PCIE-MSI: msi address 0x%x\n", msi->msi_addr_lo);
+ if (!msi_virt)
+ return -ENOMEM;
+ msi->msi_addr_hi = upper_32_bits(msi_phys);
+ msi->msi_addr_lo = lower_32_bits(msi_phys & 0xffffffff);
+ dev_dbg(&dev->dev, "PCIE-MSI: msi address high 0x%x, low 0x%x\n",
+ msi->msi_addr_hi, msi->msi_addr_lo);
/* Progam the Interrupt handler Termination addr registers */
out_be32(msi->msi_regs + PEIH_TERMADH, msi->msi_addr_hi);
@@ -185,6 +194,8 @@ static int ppc4xx_setup_pcieh_hw(struct platform_device *dev,
out_be32(msi->msi_regs + PEIH_MSIED, *msi_data);
out_be32(msi->msi_regs + PEIH_MSIMK, *msi_mask);
+ dma_free_coherent(&dev->dev, 64, msi_virt, msi_phys);
+
return 0;
}
@@ -194,7 +205,7 @@ static int ppc4xx_of_msi_remove(struct platform_device *dev)
int i;
int virq;
- for (i = 0; i < NR_MSI_IRQS; i++) {
+ for (i = 0; i < msi_irqs; i++) {
virq = msi->msi_virqs[i];
if (virq != NO_IRQ)
irq_dispose_mapping(virq);
@@ -215,8 +226,6 @@ static int __devinit ppc4xx_msi_probe(struct platform_device *dev)
struct resource res;
int err = 0;
- msi = &ppc4xx_msi;/*keep the msi data for further use*/
-
dev_dbg(&dev->dev, "PCIE-MSI: Setting up MSI support...\n");
msi = kzalloc(sizeof(struct ppc4xx_msi), GFP_KERNEL);
@@ -234,6 +243,10 @@ static int __devinit ppc4xx_msi_probe(struct platform_device *dev)
goto error_out;
}
+ msi_irqs = of_irq_count(dev->dev.of_node);
+ if (!msi_irqs)
+ return -ENODEV;
+
if (ppc4xx_setup_pcieh_hw(dev, res, msi))
goto error_out;
@@ -242,6 +255,7 @@ static int __devinit ppc4xx_msi_probe(struct platform_device *dev)
dev_err(&dev->dev, "Error allocating MSI bitmap\n");
goto error_out;
}
+ ppc4xx_msi = *msi;
ppc_md.setup_msi_irqs = ppc4xx_setup_msi_irqs;
ppc_md.teardown_msi_irqs = ppc4xx_teardown_msi_irqs;