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Commit d4429f60 authored by Linus Torvalds's avatar Linus Torvalds
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Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (71 commits)
  powerpc/44x: Update ppc44x_defconfig
  powerpc/watchdog: Make default timeout for Book-E watchdog a Kconfig option
  fsl_rio: Add comments for sRIO registers.
  powerpc/fsl-booke: Add e55xx (64-bit) smp defconfig
  powerpc/fsl-booke: Add p5020 DS board support
  powerpc/fsl-booke64: Use TLB CAMs to cover linear mapping on FSL 64-bit chips
  powerpc/fsl-booke: Add support for FSL Arch v1.0 MMU in setup_page_sizes
  powerpc/fsl-booke: Add support for FSL 64-bit e5500 core
  powerpc/85xx: add cache-sram support
  powerpc/85xx: add ngPIXIS FPGA device tree node to the P1022DS board
  powerpc: Fix compile error with paca code on ppc64e
  powerpc/fsl-booke: Add p3041 DS board support
  oprofile/fsl emb: Don't set MSR[PMM] until after clearing the interrupt.
  powerpc/fsl-booke: Add PCI device ids for P2040/P3041/P5010/P5020 QoirQ chips
  powerpc/mpc8xxx_gpio: Add support for 'qoriq-gpio' controllers
  powerpc/fsl_booke: Add support to boot from core other than 0
  powerpc/p1022: Add probing for individual DMA channels
  powerpc/fsl_soc: Search all global-utilities nodes for rstccr
  powerpc: Fix invalid page flags in create TLB CAM path for PTE_64BIT
  powerpc/mpc83xx: Support for MPC8308 P1M board
  ...

Fix up conflict with the generic irq_work changes in arch/powerpc/kernel/time.c
parents e10117d3 6a1c9dfe
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Showing with 3676 additions and 683 deletions
arch/powerpc/boot/addnote.c
View file @ d4429f60
......@@ -20,7 +20,7 @@
#include <string.h>
/* CHRP note section */
char arch[] = "PowerPC";
static const char arch[] = "PowerPC";
#define N_DESCR 6
unsigned int descr[N_DESCR] = {
......@@ -33,7 +33,7 @@ unsigned int descr[N_DESCR] = {
};
/* RPA note section */
char rpaname[] = "IBM,RPA-Client-Config";
static const char rpaname[] = "IBM,RPA-Client-Config";
/*
* Note: setting ignore_my_client_config *should* mean that OF ignores
......
arch/powerpc/boot/dts/bluestone.dts 0 → 100644
View file @ d4429f60
/*
* Device Tree for Bluestone (APM821xx) board.
*
* Copyright (c) 2010, Applied Micro Circuits Corporation
* Author: Tirumala R Marri <tmarri@apm.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
/dts-v1/;
/ {
#address-cells = <2>;
#size-cells = <1>;
model = "apm,bluestone";
compatible = "apm,bluestone";
dcr-parent = <&{/cpus/cpu@0}>;
aliases {
ethernet0 = &EMAC0;
serial0 = &UART0;
serial1 = &UART1;
};
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu@0 {
device_type = "cpu";
model = "PowerPC,apm821xx";
reg = <0x00000000>;
clock-frequency = <0>; /* Filled in by U-Boot */
timebase-frequency = <0>; /* Filled in by U-Boot */
i-cache-line-size = <32>;
d-cache-line-size = <32>;
i-cache-size = <32768>;
d-cache-size = <32768>;
dcr-controller;
dcr-access-method = "native";
next-level-cache = <&L2C0>;
};
};
memory {
device_type = "memory";
reg = <0x00000000 0x00000000 0x00000000>; /* Filled in by U-Boot */
};
UIC0: interrupt-controller0 {
compatible = "ibm,uic";
interrupt-controller;
cell-index = <0>;
dcr-reg = <0x0c0 0x009>;
#address-cells = <0>;
#size-cells = <0>;
#interrupt-cells = <2>;
};
UIC1: interrupt-controller1 {
compatible = "ibm,uic";
interrupt-controller;
cell-index = <1>;
dcr-reg = <0x0d0 0x009>;
#address-cells = <0>;
#size-cells = <0>;
#interrupt-cells = <2>;
interrupts = <0x1e 0x4 0x1f 0x4>; /* cascade */
interrupt-parent = <&UIC0>;
};
UIC2: interrupt-controller2 {
compatible = "ibm,uic";
interrupt-controller;
cell-index = <2>;
dcr-reg = <0x0e0 0x009>;
#address-cells = <0>;
#size-cells = <0>;
#interrupt-cells = <2>;
interrupts = <0xa 0x4 0xb 0x4>; /* cascade */
interrupt-parent = <&UIC0>;
};
UIC3: interrupt-controller3 {
compatible = "ibm,uic";
interrupt-controller;
cell-index = <3>;
dcr-reg = <0x0f0 0x009>;
#address-cells = <0>;
#size-cells = <0>;
#interrupt-cells = <2>;
interrupts = <0x10 0x4 0x11 0x4>; /* cascade */
interrupt-parent = <&UIC0>;
};
SDR0: sdr {
compatible = "ibm,sdr-apm821xx";
dcr-reg = <0x00e 0x002>;
};
CPR0: cpr {
compatible = "ibm,cpr-apm821xx";
dcr-reg = <0x00c 0x002>;
};
plb {
compatible = "ibm,plb4";
#address-cells = <2>;
#size-cells = <1>;
ranges;
clock-frequency = <0>; /* Filled in by U-Boot */
SDRAM0: sdram {
compatible = "ibm,sdram-apm821xx";
dcr-reg = <0x010 0x002>;
};
MAL0: mcmal {
compatible = "ibm,mcmal2";
descriptor-memory = "ocm";
dcr-reg = <0x180 0x062>;
num-tx-chans = <1>;
num-rx-chans = <1>;
#address-cells = <0>;
#size-cells = <0>;
interrupt-parent = <&UIC2>;
interrupts = < /*TXEOB*/ 0x6 0x4
/*RXEOB*/ 0x7 0x4
/*SERR*/ 0x3 0x4
/*TXDE*/ 0x4 0x4
/*RXDE*/ 0x5 0x4
};
POB0: opb {
compatible = "ibm,opb";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0xb0000000 0x00000004 0xb0000000 0x50000000>;
clock-frequency = <0>; /* Filled in by U-Boot */
EBC0: ebc {
compatible = "ibm,ebc";
dcr-reg = <0x012 0x002>;
#address-cells = <2>;
#size-cells = <1>;
clock-frequency = <0>; /* Filled in by U-Boot */
/* ranges property is supplied by U-Boot */
ranges = < 0x00000003 0x00000000 0xe0000000 0x8000000>;
interrupts = <0x6 0x4>;
interrupt-parent = <&UIC1>;
nor_flash@0,0 {
compatible = "amd,s29gl512n", "cfi-flash";
bank-width = <2>;
reg = <0x00000000 0x00000000 0x00400000>;
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "kernel";
reg = <0x00000000 0x00180000>;
};
partition@180000 {
label = "env";
reg = <0x00180000 0x00020000>;
};
partition@1a0000 {
label = "u-boot";
reg = <0x001a0000 0x00060000>;
};
};
}
UART0: serial@ef600300 {
device_type = "serial";
compatible = "ns16550";
reg = <0xef600300 0x00000008>;
virtual-reg = <0xef600300>;
clock-frequency = <0>; /* Filled in by U-Boot */
current-speed = <0>; /* Filled in by U-Boot */
interrupt-parent = <&UIC1>;
interrupts = <0x1 0x4>;
};
IIC0: i2c@ef600700 {
compatible = "ibm,iic";
reg = <0xef600700 0x00000014>;
interrupt-parent = <&UIC0>;
interrupts = <0x2 0x4>;
};
IIC1: i2c@ef600800 {
compatible = "ibm,iic";
reg = <0xef600800 0x00000014>;
interrupt-parent = <&UIC0>;
interrupts = <0x3 0x4>;
};
RGMII0: emac-rgmii@ef601500 {
compatible = "ibm,rgmii";
reg = <0xef601500 0x00000008>;
has-mdio;
};
TAH0: emac-tah@ef601350 {
compatible = "ibm,tah";
reg = <0xef601350 0x00000030>;
};
EMAC0: ethernet@ef600c00 {
device_type = "network";
compatible = "ibm,emac4sync";
interrupt-parent = <&EMAC0>;
interrupts = <0x0 0x1>;
#interrupt-cells = <1>;
#address-cells = <0>;
#size-cells = <0>;
interrupt-map = </*Status*/ 0x0 &UIC2 0x10 0x4
/*Wake*/ 0x1 &UIC2 0x14 0x4>;
reg = <0xef600c00 0x000000c4>;
local-mac-address = [000000000000]; /* Filled in by U-Boot */
mal-device = <&MAL0>;
mal-tx-channel = <0>;
mal-rx-channel = <0>;
cell-index = <0>;
max-frame-size = <9000>;
rx-fifo-size = <16384>;
tx-fifo-size = <2048>;
phy-mode = "rgmii";
phy-map = <0x00000000>;
rgmii-device = <&RGMII0>;
rgmii-channel = <0>;
tah-device = <&TAH0>;
tah-channel = <0>;
has-inverted-stacr-oc;
has-new-stacr-staopc;
};
};
};
};
arch/powerpc/boot/dts/mpc8308_p1m.dts 0 → 100644
View file @ d4429f60
/*
* mpc8308_p1m Device Tree Source
*
* Copyright 2010 Ilya Yanok, Emcraft Systems, yanok@emcraft.com
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
/dts-v1/;
/ {
compatible = "denx,mpc8308_p1m";
#address-cells = <1>;
#size-cells = <1>;
aliases {
ethernet0 = &enet0;
ethernet1 = &enet1;
serial0 = &serial0;
serial1 = &serial1;
pci0 = &pci0;
};
cpus {
#address-cells = <1>;
#size-cells = <0>;
PowerPC,8308@0 {
device_type = "cpu";
reg = <0x0>;
d-cache-line-size = <32>;
i-cache-line-size = <32>;
d-cache-size = <16384>;
i-cache-size = <16384>;
timebase-frequency = <0>; // from bootloader
bus-frequency = <0>; // from bootloader
clock-frequency = <0>; // from bootloader
};
};
memory {
device_type = "memory";
reg = <0x00000000 0x08000000>; // 128MB at 0
};
localbus@e0005000 {
#address-cells = <2>;
#size-cells = <1>;
compatible = "fsl,mpc8315-elbc", "fsl,elbc", "simple-bus";
reg = <0xe0005000 0x1000>;
interrupts = <77 0x8>;
interrupt-parent = <&ipic>;
ranges = <0x0 0x0 0xfc000000 0x04000000
0x1 0x0 0xfbff0000 0x00008000
0x2 0x0 0xfbff8000 0x00008000>;
flash@0,0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "cfi-flash";
reg = <0x0 0x0 0x4000000>;
bank-width = <2>;
device-width = <1>;
u-boot@0 {
reg = <0x0 0x60000>;
read-only;
};
env@60000 {
reg = <0x60000 0x20000>;
};
env1@80000 {
reg = <0x80000 0x20000>;
};
kernel@a0000 {
reg = <0xa0000 0x200000>;
};
dtb@2a0000 {
reg = <0x2a0000 0x20000>;
};
ramdisk@2c0000 {
reg = <0x2c0000 0x640000>;
};
user@700000 {
reg = <0x700000 0x3900000>;
};
};
can@1,0 {
compatible = "nxp,sja1000";
reg = <0x1 0x0 0x80>;
interrupts = <18 0x8>;
interrups-parent = <&ipic>;
};
cpld@2,0 {
compatible = "denx,mpc8308_p1m-cpld";
reg = <0x2 0x0 0x8>;
interrupts = <48 0x8>;
interrups-parent = <&ipic>;
};
};
immr@e0000000 {
#address-cells = <1>;
#size-cells = <1>;
device_type = "soc";
compatible = "fsl,mpc8308-immr", "simple-bus";
ranges = <0 0xe0000000 0x00100000>;
reg = <0xe0000000 0x00000200>;
bus-frequency = <0>;
i2c@3000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl-i2c";
reg = <0x3000 0x100>;
interrupts = <14 0x8>;
interrupt-parent = <&ipic>;
dfsrr;
fram@50 {
compatible = "ramtron,24c64";
reg = <0x50>;
};
};
i2c@3100 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl-i2c";
reg = <0x3100 0x100>;
interrupts = <15 0x8>;
interrupt-parent = <&ipic>;
dfsrr;
pwm@28 {
compatible = "maxim,ds1050";
reg = <0x28>;
};
sensor@48 {
compatible = "maxim,max6625";
reg = <0x48>;
};
sensor@49 {
compatible = "maxim,max6625";
reg = <0x49>;
};
sensor@4b {
compatible = "maxim,max6625";
reg = <0x4b>;
};
};
usb@23000 {
compatible = "fsl-usb2-dr";
reg = <0x23000 0x1000>;
#address-cells = <1>;
#size-cells = <0>;
interrupt-parent = <&ipic>;
interrupts = <38 0x8>;
dr_mode = "peripheral";
phy_type = "ulpi";
};
enet0: ethernet@24000 {
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x0 0x24000 0x1000>;
cell-index = <0>;
device_type = "network";
model = "eTSEC";
compatible = "gianfar";
reg = <0x24000 0x1000>;
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <32 0x8 33 0x8 34 0x8>;
interrupt-parent = <&ipic>;
phy-handle = < &phy1 >;
mdio@520 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,gianfar-mdio";
reg = <0x520 0x20>;
phy1: ethernet-phy@1 {
interrupt-parent = <&ipic>;
interrupts = <17 0x8>;
reg = <0x1>;
device_type = "ethernet-phy";
};
phy2: ethernet-phy@2 {
interrupt-parent = <&ipic>;
interrupts = <19 0x8>;
reg = <0x2>;
device_type = "ethernet-phy";
};
tbi0: tbi-phy@11 {
reg = <0x11>;
device_type = "tbi-phy";
};
};
};
enet1: ethernet@25000 {
#address-cells = <1>;
#size-cells = <1>;
cell-index = <1>;
device_type = "network";
model = "eTSEC";
compatible = "gianfar";
reg = <0x25000 0x1000>;
ranges = <0x0 0x25000 0x1000>;
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <35 0x8 36 0x8 37 0x8>;
interrupt-parent = <&ipic>;
phy-handle = < &phy2 >;
mdio@520 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,gianfar-tbi";
reg = <0x520 0x20>;
tbi1: tbi-phy@11 {
reg = <0x11>;
device_type = "tbi-phy";
};
};
};
serial0: serial@4500 {
cell-index = <0>;
device_type = "serial";
compatible = "ns16550";
reg = <0x4500 0x100>;
clock-frequency = <133333333>;
interrupts = <9 0x8>;
interrupt-parent = <&ipic>;
};
serial1: serial@4600 {
cell-index = <1>;
device_type = "serial";
compatible = "ns16550";
reg = <0x4600 0x100>;
clock-frequency = <133333333>;
interrupts = <10 0x8>;
interrupt-parent = <&ipic>;
};
gpio@c00 {
#gpio-cells = <2>;
compatible = "fsl,mpc8308-gpio", "fsl,mpc8349-gpio";
reg = <0xc00 0x18>;
interrupts = <74 0x8>;
interrupt-parent = <&ipic>;
gpio-controller;
};
timer@500 {
compatible = "fsl,mpc8308-gtm", "fsl,gtm";
reg = <0x500 0x100>;
interrupts = <90 8 78 8 84 8 72 8>;
interrupt-parent = <&ipic>;
clock-frequency = <133333333>;
};
/* IPIC
* interrupts cell = <intr #, sense>
* sense values match linux IORESOURCE_IRQ_* defines:
* sense == 8: Level, low assertion
* sense == 2: Edge, high-to-low change
*/
ipic: interrupt-controller@700 {
compatible = "fsl,ipic";
interrupt-controller;
#address-cells = <0>;
#interrupt-cells = <2>;
reg = <0x700 0x100>;
device_type = "ipic";
};
ipic-msi@7c0 {
compatible = "fsl,ipic-msi";
reg = <0x7c0 0x40>;
msi-available-ranges = <0x0 0x100>;
interrupts = < 0x43 0x8
0x4 0x8
0x51 0x8
0x52 0x8
0x56 0x8
0x57 0x8
0x58 0x8
0x59 0x8 >;
interrupt-parent = < &ipic >;
};
};
pci0: pcie@e0009000 {
#address-cells = <3>;
#size-cells = <2>;
#interrupt-cells = <1>;
device_type = "pci";
compatible = "fsl,mpc8308-pcie", "fsl,mpc8314-pcie";
reg = <0xe0009000 0x00001000
0xb0000000 0x01000000>;
ranges = <0x02000000 0 0xa0000000 0xa0000000 0 0x10000000
0x01000000 0 0x00000000 0xb1000000 0 0x00800000>;
bus-range = <0 0>;
interrupt-map-mask = <0 0 0 0>;
interrupt-map = <0 0 0 0 &ipic 1 8>;
interrupts = <0x1 0x8>;
interrupt-parent = <&ipic>;
clock-frequency = <0>;
pcie@0 {
#address-cells = <3>;
#size-cells = <2>;
device_type = "pci";
reg = <0 0 0 0 0>;
ranges = <0x02000000 0 0xa0000000
0x02000000 0 0xa0000000
0 0x10000000
0x01000000 0 0x00000000
0x01000000 0 0x00000000
0 0x00800000>;
};
};
};
arch/powerpc/boot/dts/p1022ds.dts
View file @ d4429f60
......@@ -148,6 +148,17 @@ partition@27000000 {
label = "reserved-nand";
};
};
board-control@3,0 {
compatible = "fsl,p1022ds-pixis";
reg = <3 0 0x30>;
interrupt-parent = <&mpic>;
/*
* IRQ8 is generated if the "EVENT" switch is pressed
* and PX_CTL[EVESEL] is set to 00.
*/
interrupts = <8 8>;
};
};
soc@fffe00000 {
......
arch/powerpc/configs/44x/bluestone_defconfig 0 → 100644
View file @ d4429f60
CONFIG_44x=y
CONFIG_EXPERIMENTAL=y
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
CONFIG_LOG_BUF_SHIFT=14
CONFIG_BLK_DEV_INITRD=y
CONFIG_EMBEDDED=y
# CONFIG_VM_EVENT_COUNTERS is not set
# CONFIG_PCI_QUIRKS is not set
# CONFIG_COMPAT_BRK is not set
CONFIG_BLUESTONE=y
# CONFIG_EBONY is not set
# CONFIG_KVM_GUEST is not set
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_SPARSE_IRQ=y
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE=""
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_CONNECTOR=y
CONFIG_MTD=y
CONFIG_MTD_PARTITIONS=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_OF_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_CFI=y
CONFIG_MTD_CFI_AMDSTD=y
CONFIG_MTD_PHYSMAP_OF=y
CONFIG_PROC_DEVICETREE=y
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=35000
CONFIG_NETDEVICES=y
CONFIG_NET_ETHERNET=y
CONFIG_IBM_NEW_EMAC=y
CONFIG_IBM_NEW_EMAC_RXB=256
CONFIG_IBM_NEW_EMAC_TXB=256
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_NR_UARTS=2
CONFIG_SERIAL_8250_RUNTIME_UARTS=2
CONFIG_SERIAL_8250_EXTENDED=y
CONFIG_SERIAL_8250_SHARE_IRQ=y
CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_I2C=y
CONFIG_I2C_CHARDEV=y
CONFIG_I2C_IBM_IIC=y
CONFIG_SENSORS_AD7414=y
# CONFIG_HID_SUPPORT is not set
# CONFIG_USB_SUPPORT is not set
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_M41T80=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
CONFIG_PROC_KCORE=y
CONFIG_TMPFS=y
CONFIG_CRAMFS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
CONFIG_ROOT_NFS=y
CONFIG_NLS=y
arch/powerpc/configs/e55xx_smp_defconfig 0 → 100644
View file @ d4429f60
CONFIG_PPC64=y
CONFIG_PPC_BOOK3E_64=y
# CONFIG_VIRT_CPU_ACCOUNTING is not set
CONFIG_SMP=y
CONFIG_NR_CPUS=2
CONFIG_EXPERIMENTAL=y
CONFIG_SYSVIPC=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=14
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_BLK_DEV_INITRD=y
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
CONFIG_EMBEDDED=y
CONFIG_KALLSYMS_ALL=y
CONFIG_KALLSYMS_EXTRA_PASS=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
CONFIG_MODULE_FORCE_UNLOAD=y
CONFIG_MODVERSIONS=y
# CONFIG_BLK_DEV_BSG is not set
CONFIG_P5020_DS=y
# CONFIG_PPC_OF_BOOT_TRAMPOLINE is not set
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_BINFMT_MISC=m
CONFIG_SPARSE_IRQ=y
# CONFIG_PCI is not set
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_PROC_DEVICETREE=y
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=131072
CONFIG_EEPROM_LEGACY=y
CONFIG_INPUT_FF_MEMLESS=m
# CONFIG_INPUT_MOUSEDEV is not set
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
CONFIG_SERIO_LIBPS2=y
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_EXTENDED=y
CONFIG_SERIAL_8250_MANY_PORTS=y
CONFIG_SERIAL_8250_DETECT_IRQ=y
CONFIG_SERIAL_8250_RSA=y
CONFIG_I2C=y
# CONFIG_HWMON is not set
CONFIG_VIDEO_OUTPUT_CONTROL=y
# CONFIG_HID_SUPPORT is not set
# CONFIG_USB_SUPPORT is not set
CONFIG_DMADEVICES=y
CONFIG_FSL_DMA=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
CONFIG_PROC_KCORE=y
CONFIG_TMPFS=y
# CONFIG_MISC_FILESYSTEMS is not set
CONFIG_PARTITION_ADVANCED=y
CONFIG_MAC_PARTITION=y
CONFIG_NLS=y
CONFIG_NLS_UTF8=m
CONFIG_CRC_T10DIF=y
CONFIG_CRC_ITU_T=m
CONFIG_LIBCRC32C=m
CONFIG_FRAME_WARN=1024
CONFIG_DEBUG_FS=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DETECT_HUNG_TASK=y
# CONFIG_DEBUG_BUGVERBOSE is not set
CONFIG_DEBUG_INFO=y
# CONFIG_RCU_CPU_STALL_DETECTOR is not set
CONFIG_SYSCTL_SYSCALL_CHECK=y
CONFIG_VIRQ_DEBUG=y
CONFIG_CRYPTO=y
CONFIG_CRYPTO_CBC=y
CONFIG_CRYPTO_PCBC=m
CONFIG_CRYPTO_HMAC=y
CONFIG_CRYPTO_MD5=y
CONFIG_CRYPTO_SHA1=m
CONFIG_CRYPTO_DES=y
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_DEV_TALITOS=y
arch/powerpc/configs/ppc44x_defconfig
View file @ d4429f60
......@@ -12,6 +12,7 @@ CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_BLK_DEV_BSG is not set
CONFIG_BAMBOO=y
CONFIG_BLUESTONE=y
CONFIG_SAM440EP=y
CONFIG_SEQUOIA=y
CONFIG_TAISHAN=y
......@@ -97,14 +98,17 @@ CONFIG_USB_STORAGE=m
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=m
# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
CONFIG_INOTIFY=y
CONFIG_VFAT_FS=m
CONFIG_PROC_KCORE=y
CONFIG_TMPFS=y
CONFIG_JFFS2_FS=y
CONFIG_UBIFS_FS=m
CONFIG_UBIFS_FS_XATTR=y
CONFIG_LOGFS=m
CONFIG_CRAMFS=y
CONFIG_SQUASHFS=m
CONFIG_SQUASHFS_XATTR=y
CONFIG_SQUASHFS_LZO=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
CONFIG_ROOT_NFS=y
......@@ -116,11 +120,8 @@ CONFIG_DEBUG_KERNEL=y
CONFIG_DETECT_HUNG_TASK=y
# CONFIG_RCU_CPU_STALL_DETECTOR is not set
CONFIG_SYSCTL_SYSCALL_CHECK=y
CONFIG_CRYPTO_CBC=y
CONFIG_CRYPTO_ECB=y
CONFIG_CRYPTO_PCBC=y
CONFIG_CRYPTO_MD5=y
CONFIG_CRYPTO_DES=y
# CONFIG_CRYPTO_ANSI_CPRNG is not set
# CONFIG_CRYPTO_HW is not set
CONFIG_VIRTUALIZATION=y
......
arch/powerpc/configs/ppc64e_defconfig
View file @ d4429f60
......@@ -18,6 +18,7 @@ CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
CONFIG_MODVERSIONS=y
CONFIG_MODULE_SRCVERSION_ALL=y
CONFIG_P5020_DS=y
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_GOV_POWERSAVE=y
CONFIG_CPU_FREQ_GOV_USERSPACE=y
......@@ -256,7 +257,6 @@ CONFIG_HID_ZEROPLUS=y
CONFIG_USB=y
CONFIG_USB_DEVICEFS=y
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_TT_NEWSCHED=y
# CONFIG_USB_EHCI_HCD_PPC_OF is not set
CONFIG_USB_OHCI_HCD=y
CONFIG_USB_STORAGE=m
......@@ -290,7 +290,6 @@ CONFIG_JFS_POSIX_ACL=y
CONFIG_JFS_SECURITY=y
CONFIG_XFS_FS=m
CONFIG_XFS_POSIX_ACL=y
CONFIG_INOTIFY=y
CONFIG_AUTOFS4_FS=m
CONFIG_ISO9660_FS=y
CONFIG_UDF_FS=m
......@@ -384,7 +383,6 @@ CONFIG_CRYPTO_TGR192=m
CONFIG_CRYPTO_WP512=m
CONFIG_CRYPTO_AES=m
CONFIG_CRYPTO_ANUBIS=m
CONFIG_CRYPTO_ARC4=m
CONFIG_CRYPTO_BLOWFISH=m
CONFIG_CRYPTO_CAST6=m
CONFIG_CRYPTO_KHAZAD=m
......
arch/powerpc/include/asm/checksum.h
View file @ d4429f60
......@@ -52,12 +52,22 @@ extern __wsum csum_partial(const void *buff, int len, __wsum sum);
extern __wsum csum_partial_copy_generic(const void *src, void *dst,
int len, __wsum sum,
int *src_err, int *dst_err);
#ifdef __powerpc64__
#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
extern __wsum csum_and_copy_from_user(const void __user *src, void *dst,
int len, __wsum sum, int *err_ptr);
#define HAVE_CSUM_COPY_USER
extern __wsum csum_and_copy_to_user(const void *src, void __user *dst,
int len, __wsum sum, int *err_ptr);
#else
/*
* the same as csum_partial, but copies from src to dst while it
* checksums.
*/
#define csum_partial_copy_from_user(src, dst, len, sum, errp) \
csum_partial_copy_generic((__force const void *)(src), (dst), (len), (sum), (errp), NULL)
#endif
#define csum_partial_copy_nocheck(src, dst, len, sum) \
csum_partial_copy_generic((src), (dst), (len), (sum), NULL, NULL)
......
arch/powerpc/include/asm/compat.h
View file @ d4429f60
......@@ -143,7 +143,7 @@ static inline void __user *arch_compat_alloc_user_space(long len)
* We cant access below the stack pointer in the 32bit ABI and
* can access 288 bytes in the 64bit ABI
*/
if (!(test_thread_flag(TIF_32BIT)))
if (!is_32bit_task())
usp -= 288;
return (void __user *) (usp - len);
......@@ -213,7 +213,7 @@ struct compat_shmid64_ds {
static inline int is_compat_task(void)
{
return test_thread_flag(TIF_32BIT);
return is_32bit_task();
}
#endif /* __KERNEL__ */
......
arch/powerpc/include/asm/cputable.h
View file @ d4429f60
......@@ -198,6 +198,7 @@ extern const char *powerpc_base_platform;
#define CPU_FTR_CP_USE_DCBTZ LONG_ASM_CONST(0x0040000000000000)
#define CPU_FTR_UNALIGNED_LD_STD LONG_ASM_CONST(0x0080000000000000)
#define CPU_FTR_ASYM_SMT LONG_ASM_CONST(0x0100000000000000)
#define CPU_FTR_STCX_CHECKS_ADDRESS LONG_ASM_CONST(0x0200000000000000)
#ifndef __ASSEMBLY__
......@@ -392,28 +393,31 @@ extern const char *powerpc_base_platform;
CPU_FTR_MMCRA | CPU_FTR_CTRL)
#define CPU_FTRS_POWER4 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
CPU_FTR_MMCRA | CPU_FTR_CP_USE_DCBTZ)
CPU_FTR_MMCRA | CPU_FTR_CP_USE_DCBTZ | \
CPU_FTR_STCX_CHECKS_ADDRESS)
#define CPU_FTRS_PPC970 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA | \
CPU_FTR_CP_USE_DCBTZ)
CPU_FTR_CP_USE_DCBTZ | CPU_FTR_STCX_CHECKS_ADDRESS)
#define CPU_FTRS_POWER5 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
CPU_FTR_MMCRA | CPU_FTR_SMT | \
CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
CPU_FTR_PURR)
CPU_FTR_PURR | CPU_FTR_STCX_CHECKS_ADDRESS)
#define CPU_FTRS_POWER6 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
CPU_FTR_MMCRA | CPU_FTR_SMT | \
CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
CPU_FTR_DSCR | CPU_FTR_UNALIGNED_LD_STD)
CPU_FTR_DSCR | CPU_FTR_UNALIGNED_LD_STD | \
CPU_FTR_STCX_CHECKS_ADDRESS)
#define CPU_FTRS_POWER7 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
CPU_FTR_MMCRA | CPU_FTR_SMT | \
CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
CPU_FTR_DSCR | CPU_FTR_SAO | CPU_FTR_ASYM_SMT)
CPU_FTR_DSCR | CPU_FTR_SAO | CPU_FTR_ASYM_SMT | \
CPU_FTR_STCX_CHECKS_ADDRESS)
#define CPU_FTRS_CELL (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
......
arch/powerpc/include/asm/dma-mapping.h
View file @ d4429f60
......@@ -127,19 +127,7 @@ static inline int dma_supported(struct device *dev, u64 mask)
return dma_ops->dma_supported(dev, mask);
}
static inline int dma_set_mask(struct device *dev, u64 dma_mask)
{
struct dma_map_ops *dma_ops = get_dma_ops(dev);
if (unlikely(dma_ops == NULL))
return -EIO;
if (dma_ops->set_dma_mask != NULL)
return dma_ops->set_dma_mask(dev, dma_mask);
if (!dev->dma_mask || !dma_supported(dev, dma_mask))
return -EIO;
*dev->dma_mask = dma_mask;
return 0;
}
extern int dma_set_mask(struct device *dev, u64 dma_mask);
static inline void *dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flag)
......
arch/powerpc/include/asm/elf.h
View file @ d4429f60
......@@ -250,7 +250,7 @@ do { \
* the 64bit ABI has never had these issues dont enable the workaround
* even if we have an executable stack.
*/
# define elf_read_implies_exec(ex, exec_stk) (test_thread_flag(TIF_32BIT) ? \
# define elf_read_implies_exec(ex, exec_stk) (is_32bit_task() ? \
(exec_stk == EXSTACK_DEFAULT) : 0)
#else
# define SET_PERSONALITY(ex) \
......
arch/powerpc/include/asm/exception-64s.h
View file @ d4429f60
......@@ -137,7 +137,8 @@
li r10,0; \
ld r11,exception_marker@toc(r2); \
std r10,RESULT(r1); /* clear regs->result */ \
std r11,STACK_FRAME_OVERHEAD-16(r1); /* mark the frame */
std r11,STACK_FRAME_OVERHEAD-16(r1); /* mark the frame */ \
ACCOUNT_STOLEN_TIME
/*
* Exception vectors.
......
arch/powerpc/include/asm/fsl_85xx_cache_sram.h 0 → 100644
View file @ d4429f60
/*
* Copyright 2009 Freescale Semiconductor, Inc.
*
* Cache SRAM handling for QorIQ platform
*
* Author: Vivek Mahajan <vivek.mahajan@freescale.com>
* This file is derived from the original work done
* by Sylvain Munaut for the Bestcomm SRAM allocator.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ASM_POWERPC_FSL_85XX_CACHE_SRAM_H__
#define __ASM_POWERPC_FSL_85XX_CACHE_SRAM_H__
#include <asm/rheap.h>
#include <linux/spinlock.h>
/*
* Cache-SRAM
*/
struct mpc85xx_cache_sram {
phys_addr_t base_phys;
void *base_virt;
unsigned int size;
rh_info_t *rh;
spinlock_t lock;
};
extern void mpc85xx_cache_sram_free(void *ptr);
extern void *mpc85xx_cache_sram_alloc(unsigned int size,
phys_addr_t *phys, unsigned int align);
#endif /* __AMS_POWERPC_FSL_85XX_CACHE_SRAM_H__ */
arch/powerpc/include/asm/kexec.h
View file @ d4429f60
......@@ -91,6 +91,7 @@ extern void machine_kexec_simple(struct kimage *image);
extern void crash_kexec_secondary(struct pt_regs *regs);
extern int overlaps_crashkernel(unsigned long start, unsigned long size);
extern void reserve_crashkernel(void);
extern void machine_kexec_mask_interrupts(void);
#else /* !CONFIG_KEXEC */
static inline int kexec_sr_activated(int cpu) { return 0; }
......
arch/powerpc/include/asm/kvm_fpu.h
View file @ d4429f60
......@@ -82,7 +82,7 @@ FPD_THREE_IN(fmadd)
FPD_THREE_IN(fnmsub)
FPD_THREE_IN(fnmadd)
extern void kvm_cvt_fd(u32 *from, u64 *to, u64 *fpscr);
extern void kvm_cvt_df(u64 *from, u32 *to, u64 *fpscr);
extern void kvm_cvt_fd(u32 *from, u64 *to);
extern void kvm_cvt_df(u64 *from, u32 *to);
#endif
arch/powerpc/include/asm/lppaca.h
View file @ d4429f60
......@@ -153,6 +153,8 @@ struct lppaca {
extern struct lppaca lppaca[];
#define lppaca_of(cpu) (*paca[cpu].lppaca_ptr)
/*
* SLB shadow buffer structure as defined in the PAPR. The save_area
* contains adjacent ESID and VSID pairs for each shadowed SLB. The
......@@ -170,6 +172,33 @@ struct slb_shadow {
extern struct slb_shadow slb_shadow[];
/*
* Layout of entries in the hypervisor's dispatch trace log buffer.
*/
struct dtl_entry {
u8 dispatch_reason;
u8 preempt_reason;
u16 processor_id;
u32 enqueue_to_dispatch_time;
u32 ready_to_enqueue_time;
u32 waiting_to_ready_time;
u64 timebase;
u64 fault_addr;
u64 srr0;
u64 srr1;
};
#define DISPATCH_LOG_BYTES 4096 /* bytes per cpu */
#define N_DISPATCH_LOG (DISPATCH_LOG_BYTES / sizeof(struct dtl_entry))
/*
* When CONFIG_VIRT_CPU_ACCOUNTING = y, the cpu accounting code controls
* reading from the dispatch trace log. If other code wants to consume
* DTL entries, it can set this pointer to a function that will get
* called once for each DTL entry that gets processed.
*/
extern void (*dtl_consumer)(struct dtl_entry *entry, u64 index);
#endif /* CONFIG_PPC_BOOK3S */
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_LPPACA_H */
arch/powerpc/include/asm/machdep.h
View file @ d4429f60
......@@ -102,6 +102,9 @@ struct machdep_calls {
void (*pci_dma_dev_setup)(struct pci_dev *dev);
void (*pci_dma_bus_setup)(struct pci_bus *bus);
/* Platform set_dma_mask override */
int (*dma_set_mask)(struct device *dev, u64 dma_mask);
int (*probe)(void);
void (*setup_arch)(void); /* Optional, may be NULL */
void (*init_early)(void);
......
arch/powerpc/include/asm/mmu-book3e.h
View file @ d4429f60
......@@ -114,6 +114,17 @@
#define MAS7_RPN 0xFFFFFFFF
/* Bit definitions for MMUCFG */
#define MMUCFG_MAVN 0x00000003 /* MMU Architecture Version Number */
#define MMUCFG_MAVN_V1 0x00000000 /* v1.0 */
#define MMUCFG_MAVN_V2 0x00000001 /* v2.0 */
#define MMUCFG_NTLBS 0x0000000c /* Number of TLBs */
#define MMUCFG_PIDSIZE 0x000007c0 /* PID Reg Size */
#define MMUCFG_TWC 0x00008000 /* TLB Write Conditional (v2.0) */
#define MMUCFG_LRAT 0x00010000 /* LRAT Supported (v2.0) */
#define MMUCFG_RASIZE 0x00fe0000 /* Real Addr Size */
#define MMUCFG_LPIDSIZE 0x0f000000 /* LPID Reg Size */
/* Bit definitions for MMUCSR0 */
#define MMUCSR0_TLB1FI 0x00000002 /* TLB1 Flash invalidate */
#define MMUCSR0_TLB0FI 0x00000004 /* TLB0 Flash invalidate */
......@@ -133,6 +144,10 @@
#define TLBnCFG_GTWE 0x00010000 /* Guest can write */
#define TLBnCFG_IND 0x00020000 /* IND entries supported */
#define TLBnCFG_PT 0x00040000 /* Can load from page table */
#define TLBnCFG_MINSIZE 0x00f00000 /* Minimum Page Size (v1.0) */
#define TLBnCFG_MINSIZE_SHIFT 20
#define TLBnCFG_MAXSIZE 0x000f0000 /* Maximum Page Size (v1.0) */
#define TLBnCFG_MAXSIZE_SHIFT 16
#define TLBnCFG_ASSOC 0xff000000 /* Associativity */
/* TLBnPS encoding */
......
arch/powerpc/include/asm/paca.h
View file @ d4429f60
......@@ -85,6 +85,8 @@ struct paca_struct {
u8 kexec_state; /* set when kexec down has irqs off */
#ifdef CONFIG_PPC_STD_MMU_64
struct slb_shadow *slb_shadow_ptr;
struct dtl_entry *dispatch_log;
struct dtl_entry *dispatch_log_end;
/*
* Now, starting in cacheline 2, the exception save areas
......@@ -134,8 +136,14 @@ struct paca_struct {
/* Stuff for accurate time accounting */
u64 user_time; /* accumulated usermode TB ticks */
u64 system_time; /* accumulated system TB ticks */
u64 startpurr; /* PURR/TB value snapshot */
u64 user_time_scaled; /* accumulated usermode SPURR ticks */
u64 starttime; /* TB value snapshot */
u64 starttime_user; /* TB value on exit to usermode */
u64 startspurr; /* SPURR value snapshot */
u64 utime_sspurr; /* ->user_time when ->startspurr set */
u64 stolen_time; /* TB ticks taken by hypervisor */
u64 dtl_ridx; /* read index in dispatch log */
struct dtl_entry *dtl_curr; /* pointer corresponding to dtl_ridx */
#ifdef CONFIG_KVM_BOOK3S_HANDLER
/* We use this to store guest state in */
......
arch/powerpc/include/asm/page_64.h
View file @ d4429f60
......@@ -163,7 +163,7 @@ do { \
#endif /* !CONFIG_HUGETLB_PAGE */
#define VM_DATA_DEFAULT_FLAGS \
(test_thread_flag(TIF_32BIT) ? \
(is_32bit_task() ? \
VM_DATA_DEFAULT_FLAGS32 : VM_DATA_DEFAULT_FLAGS64)
/*
......@@ -179,7 +179,7 @@ do { \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
#define VM_STACK_DEFAULT_FLAGS \
(test_thread_flag(TIF_32BIT) ? \
(is_32bit_task() ? \
VM_STACK_DEFAULT_FLAGS32 : VM_STACK_DEFAULT_FLAGS64)
#include <asm-generic/getorder.h>
......
arch/powerpc/include/asm/ppc-pci.h
View file @ d4429f60
......@@ -28,8 +28,8 @@ extern void find_and_init_phbs(void);
extern struct pci_dev *isa_bridge_pcidev; /* may be NULL if no ISA bus */
/** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */
#define BUID_HI(buid) ((buid) >> 32)
#define BUID_LO(buid) ((buid) & 0xffffffff)
#define BUID_HI(buid) upper_32_bits(buid)
#define BUID_LO(buid) lower_32_bits(buid)
/* PCI device_node operations */
struct device_node;
......
arch/powerpc/include/asm/ppc_asm.h
View file @ d4429f60
......@@ -9,6 +9,7 @@
#include <asm/asm-compat.h>
#include <asm/processor.h>
#include <asm/ppc-opcode.h>
#include <asm/firmware.h>
#ifndef __ASSEMBLY__
#error __FILE__ should only be used in assembler files
......@@ -26,17 +27,13 @@
#ifndef CONFIG_VIRT_CPU_ACCOUNTING
#define ACCOUNT_CPU_USER_ENTRY(ra, rb)
#define ACCOUNT_CPU_USER_EXIT(ra, rb)
#define ACCOUNT_STOLEN_TIME
#else
#define ACCOUNT_CPU_USER_ENTRY(ra, rb) \
beq 2f; /* if from kernel mode */ \
BEGIN_FTR_SECTION; \
mfspr ra,SPRN_PURR; /* get processor util. reg */ \
END_FTR_SECTION_IFSET(CPU_FTR_PURR); \
BEGIN_FTR_SECTION; \
MFTB(ra); /* or get TB if no PURR */ \
END_FTR_SECTION_IFCLR(CPU_FTR_PURR); \
ld rb,PACA_STARTPURR(r13); \
std ra,PACA_STARTPURR(r13); \
MFTB(ra); /* get timebase */ \
ld rb,PACA_STARTTIME_USER(r13); \
std ra,PACA_STARTTIME(r13); \
subf rb,rb,ra; /* subtract start value */ \
ld ra,PACA_USER_TIME(r13); \
add ra,ra,rb; /* add on to user time */ \
......@@ -44,19 +41,34 @@ END_FTR_SECTION_IFCLR(CPU_FTR_PURR); \
2:
#define ACCOUNT_CPU_USER_EXIT(ra, rb) \
BEGIN_FTR_SECTION; \
mfspr ra,SPRN_PURR; /* get processor util. reg */ \
END_FTR_SECTION_IFSET(CPU_FTR_PURR); \
BEGIN_FTR_SECTION; \
MFTB(ra); /* or get TB if no PURR */ \
END_FTR_SECTION_IFCLR(CPU_FTR_PURR); \
ld rb,PACA_STARTPURR(r13); \
std ra,PACA_STARTPURR(r13); \
MFTB(ra); /* get timebase */ \
ld rb,PACA_STARTTIME(r13); \
std ra,PACA_STARTTIME_USER(r13); \
subf rb,rb,ra; /* subtract start value */ \
ld ra,PACA_SYSTEM_TIME(r13); \
add ra,ra,rb; /* add on to user time */ \
std ra,PACA_SYSTEM_TIME(r13);
#endif
add ra,ra,rb; /* add on to system time */ \
std ra,PACA_SYSTEM_TIME(r13)
#ifdef CONFIG_PPC_SPLPAR
#define ACCOUNT_STOLEN_TIME \
BEGIN_FW_FTR_SECTION; \
beq 33f; \
/* from user - see if there are any DTL entries to process */ \
ld r10,PACALPPACAPTR(r13); /* get ptr to VPA */ \
ld r11,PACA_DTL_RIDX(r13); /* get log read index */ \
ld r10,LPPACA_DTLIDX(r10); /* get log write index */ \
cmpd cr1,r11,r10; \
beq+ cr1,33f; \
bl .accumulate_stolen_time; \
33: \
END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR)
#else /* CONFIG_PPC_SPLPAR */
#define ACCOUNT_STOLEN_TIME
#endif /* CONFIG_PPC_SPLPAR */
#endif /* CONFIG_VIRT_CPU_ACCOUNTING */
/*
* Macros for storing registers into and loading registers from
......
arch/powerpc/include/asm/processor.h
View file @ d4429f60
......@@ -118,7 +118,7 @@ extern struct task_struct *last_task_used_spe;
#define TASK_UNMAPPED_BASE_USER32 (PAGE_ALIGN(TASK_SIZE_USER32 / 4))
#define TASK_UNMAPPED_BASE_USER64 (PAGE_ALIGN(TASK_SIZE_USER64 / 4))
#define TASK_UNMAPPED_BASE ((test_thread_flag(TIF_32BIT)) ? \
#define TASK_UNMAPPED_BASE ((is_32bit_task()) ? \
TASK_UNMAPPED_BASE_USER32 : TASK_UNMAPPED_BASE_USER64 )
#endif
......@@ -128,7 +128,7 @@ extern struct task_struct *last_task_used_spe;
#define STACK_TOP_USER64 TASK_SIZE_USER64
#define STACK_TOP_USER32 TASK_SIZE_USER32
#define STACK_TOP (test_thread_flag(TIF_32BIT) ? \
#define STACK_TOP (is_32bit_task() ? \
STACK_TOP_USER32 : STACK_TOP_USER64)
#define STACK_TOP_MAX STACK_TOP_USER64
......
arch/powerpc/include/asm/pte-common.h
View file @ d4429f60
......@@ -171,6 +171,13 @@ extern unsigned long bad_call_to_PMD_PAGE_SIZE(void);
/* Make modules code happy. We don't set RO yet */
#define PAGE_KERNEL_EXEC PAGE_KERNEL_X
/*
* Don't just check for any non zero bits in __PAGE_USER, since for book3e
* and PTE_64BIT, PAGE_KERNEL_X contains _PAGE_BAP_SR which is also in
* _PAGE_USER. Need to explictly match _PAGE_BAP_UR bit in that case too.
*/
#define pte_user(val) ((val & _PAGE_USER) == _PAGE_USER)
/* Advertise special mapping type for AGP */
#define PAGE_AGP (PAGE_KERNEL_NC)
#define HAVE_PAGE_AGP
......
arch/powerpc/include/asm/rtas.h
View file @ d4429f60
......@@ -187,6 +187,7 @@ extern void rtas_progress(char *s, unsigned short hex);
extern void rtas_initialize(void);
extern int rtas_suspend_cpu(struct rtas_suspend_me_data *data);
extern int rtas_suspend_last_cpu(struct rtas_suspend_me_data *data);
extern int rtas_ibm_suspend_me(struct rtas_args *);
struct rtc_time;
extern unsigned long rtas_get_boot_time(void);
......
arch/powerpc/include/asm/systbl.h
View file @ d4429f60
......@@ -329,3 +329,22 @@ COMPAT_SYS(rt_tgsigqueueinfo)
SYSCALL(fanotify_init)
COMPAT_SYS(fanotify_mark)
SYSCALL_SPU(prlimit64)
SYSCALL_SPU(socket)
SYSCALL_SPU(bind)
SYSCALL_SPU(connect)
SYSCALL_SPU(listen)
SYSCALL_SPU(accept)
SYSCALL_SPU(getsockname)
SYSCALL_SPU(getpeername)
SYSCALL_SPU(socketpair)
SYSCALL_SPU(send)
SYSCALL_SPU(sendto)
COMPAT_SYS_SPU(recv)
COMPAT_SYS_SPU(recvfrom)
SYSCALL_SPU(shutdown)
COMPAT_SYS_SPU(setsockopt)
COMPAT_SYS_SPU(getsockopt)
COMPAT_SYS_SPU(sendmsg)
COMPAT_SYS_SPU(recvmsg)
COMPAT_SYS_SPU(recvmmsg)
SYSCALL_SPU(accept4)
arch/powerpc/include/asm/system.h
View file @ d4429f60
......@@ -154,8 +154,8 @@ extern void enable_kernel_spe(void);
extern void giveup_spe(struct task_struct *);
extern void load_up_spe(struct task_struct *);
extern int fix_alignment(struct pt_regs *);
extern void cvt_fd(float *from, double *to, struct thread_struct *thread);
extern void cvt_df(double *from, float *to, struct thread_struct *thread);
extern void cvt_fd(float *from, double *to);
extern void cvt_df(double *from, float *to);
#ifndef CONFIG_SMP
extern void discard_lazy_cpu_state(void);
......
arch/powerpc/include/asm/time.h
View file @ d4429f60
......@@ -34,7 +34,6 @@ extern void to_tm(int tim, struct rtc_time * tm);
extern void GregorianDay(struct rtc_time *tm);
extern void generic_calibrate_decr(void);
extern void snapshot_timebase(void);
extern void set_dec_cpu6(unsigned int val);
......@@ -212,12 +211,8 @@ struct cpu_usage {
DECLARE_PER_CPU(struct cpu_usage, cpu_usage_array);
#if defined(CONFIG_VIRT_CPU_ACCOUNTING)
extern void calculate_steal_time(void);
extern void snapshot_timebases(void);
#define account_process_vtime(tsk) account_process_tick(tsk, 0)
#else
#define calculate_steal_time() do { } while (0)
#define snapshot_timebases() do { } while (0)
#define account_process_vtime(tsk) do { } while (0)
#endif
......
arch/powerpc/include/asm/unistd.h
View file @ d4429f60
......@@ -348,10 +348,29 @@
#define __NR_fanotify_init 323
#define __NR_fanotify_mark 324
#define __NR_prlimit64 325
#define __NR_socket 326
#define __NR_bind 327
#define __NR_connect 328
#define __NR_listen 329
#define __NR_accept 330
#define __NR_getsockname 331
#define __NR_getpeername 332
#define __NR_socketpair 333
#define __NR_send 334
#define __NR_sendto 335
#define __NR_recv 336
#define __NR_recvfrom 337
#define __NR_shutdown 338
#define __NR_setsockopt 339
#define __NR_getsockopt 340
#define __NR_sendmsg 341
#define __NR_recvmsg 342
#define __NR_recvmmsg 343
#define __NR_accept4 344
#ifdef __KERNEL__
#define __NR_syscalls 326
#define __NR_syscalls 345
#define __NR__exit __NR_exit
#define NR_syscalls __NR_syscalls
......
arch/powerpc/kernel/Makefile
View file @ d4429f60
......@@ -55,7 +55,9 @@ obj-$(CONFIG_IBMVIO) += vio.o
obj-$(CONFIG_IBMEBUS) += ibmebus.o
obj-$(CONFIG_GENERIC_TBSYNC) += smp-tbsync.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
ifeq ($(CONFIG_PPC32),y)
obj-$(CONFIG_E500) += idle_e500.o
endif
obj-$(CONFIG_6xx) += idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o
obj-$(CONFIG_TAU) += tau_6xx.o
obj-$(CONFIG_HIBERNATION) += swsusp.o suspend.o
......@@ -67,7 +69,7 @@ endif
obj64-$(CONFIG_HIBERNATION) += swsusp_asm64.o
obj-$(CONFIG_MODULES) += module.o module_$(CONFIG_WORD_SIZE).o
obj-$(CONFIG_44x) += cpu_setup_44x.o
obj-$(CONFIG_FSL_BOOKE) += cpu_setup_fsl_booke.o dbell.o
obj-$(CONFIG_PPC_FSL_BOOK3E) += cpu_setup_fsl_booke.o dbell.o
obj-$(CONFIG_PPC_BOOK3E_64) += dbell.o
extra-y := head_$(CONFIG_WORD_SIZE).o
......
arch/powerpc/kernel/align.c
View file @ d4429f60
......@@ -889,7 +889,7 @@ int fix_alignment(struct pt_regs *regs)
#ifdef CONFIG_PPC_FPU
preempt_disable();
enable_kernel_fp();
cvt_df(&data.dd, (float *)&data.v[4], &current->thread);
cvt_df(&data.dd, (float *)&data.v[4]);
preempt_enable();
#else
return 0;
......@@ -933,7 +933,7 @@ int fix_alignment(struct pt_regs *regs)
#ifdef CONFIG_PPC_FPU
preempt_disable();
enable_kernel_fp();
cvt_fd((float *)&data.v[4], &data.dd, &current->thread);
cvt_fd((float *)&data.v[4], &data.dd);
preempt_enable();
#else
return 0;
......
arch/powerpc/kernel/asm-offsets.c
View file @ d4429f60
......@@ -61,7 +61,7 @@
#endif
#endif
#if defined(CONFIG_FSL_BOOKE)
#if defined(CONFIG_PPC_FSL_BOOK3E)
#include "../mm/mmu_decl.h"
#endif
......@@ -181,17 +181,19 @@ int main(void)
offsetof(struct slb_shadow, save_area[SLB_NUM_BOLTED - 1].vsid));
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(SLBSHADOW_SAVEAREA, offsetof(struct slb_shadow, save_area));
DEFINE(LPPACA_DTLIDX, offsetof(struct lppaca, dtl_idx));
DEFINE(PACA_DTL_RIDX, offsetof(struct paca_struct, dtl_ridx));
#endif /* CONFIG_PPC_STD_MMU_64 */
DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp));
DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id));
DEFINE(PACAKEXECSTATE, offsetof(struct paca_struct, kexec_state));
DEFINE(PACA_STARTPURR, offsetof(struct paca_struct, startpurr));
DEFINE(PACA_STARTSPURR, offsetof(struct paca_struct, startspurr));
DEFINE(PACA_STARTTIME, offsetof(struct paca_struct, starttime));
DEFINE(PACA_STARTTIME_USER, offsetof(struct paca_struct, starttime_user));
DEFINE(PACA_USER_TIME, offsetof(struct paca_struct, user_time));
DEFINE(PACA_SYSTEM_TIME, offsetof(struct paca_struct, system_time));
DEFINE(PACA_TRAP_SAVE, offsetof(struct paca_struct, trap_save));
......@@ -468,7 +470,7 @@ int main(void)
DEFINE(PGD_T_LOG2, PGD_T_LOG2);
DEFINE(PTE_T_LOG2, PTE_T_LOG2);
#endif
#ifdef CONFIG_FSL_BOOKE
#ifdef CONFIG_PPC_FSL_BOOK3E
DEFINE(TLBCAM_SIZE, sizeof(struct tlbcam));
DEFINE(TLBCAM_MAS0, offsetof(struct tlbcam, MAS0));
DEFINE(TLBCAM_MAS1, offsetof(struct tlbcam, MAS1));
......
arch/powerpc/kernel/cpu_setup_44x.S
View file @ d4429f60
......@@ -35,6 +35,7 @@ _GLOBAL(__setup_cpu_440grx)
_GLOBAL(__setup_cpu_460ex)
_GLOBAL(__setup_cpu_460gt)
_GLOBAL(__setup_cpu_460sx)
_GLOBAL(__setup_cpu_apm821xx)
mflr r4
bl __init_fpu_44x
bl __fixup_440A_mcheck
......
arch/powerpc/kernel/cpu_setup_fsl_booke.S
View file @ d4429f60
......@@ -51,6 +51,7 @@ _GLOBAL(__e500_dcache_setup)
isync
blr
#ifdef CONFIG_PPC32
_GLOBAL(__setup_cpu_e200)
/* enable dedicated debug exception handling resources (Debug APU) */
mfspr r3,SPRN_HID0
......@@ -72,3 +73,17 @@ _GLOBAL(__setup_cpu_e500mc)
bl __setup_e500mc_ivors
mtlr r4
blr
#endif
/* Right now, restore and setup are the same thing */
_GLOBAL(__restore_cpu_e5500)
_GLOBAL(__setup_cpu_e5500)
mflr r4
bl __e500_icache_setup
bl __e500_dcache_setup
#ifdef CONFIG_PPC_BOOK3E_64
bl .__setup_base_ivors
#else
bl __setup_e500mc_ivors
#endif
mtlr r4
blr
arch/powerpc/kernel/cputable.c
View file @ d4429f60
......@@ -48,6 +48,7 @@ extern void __setup_cpu_440x5(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_460ex(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_460gt(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_460sx(unsigned long offset, struct cpu_spec *spec);
extern void __setup_cpu_apm821xx(unsigned long offset, struct cpu_spec *spec);
extern void __setup_cpu_603(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_604(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_750(unsigned long offset, struct cpu_spec* spec);
......@@ -66,6 +67,10 @@ extern void __restore_cpu_ppc970(void);
extern void __setup_cpu_power7(unsigned long offset, struct cpu_spec* spec);
extern void __restore_cpu_power7(void);
#endif /* CONFIG_PPC64 */
#if defined(CONFIG_E500)
extern void __setup_cpu_e5500(unsigned long offset, struct cpu_spec* spec);
extern void __restore_cpu_e5500(void);
#endif /* CONFIG_E500 */
/* This table only contains "desktop" CPUs, it need to be filled with embedded
* ones as well...
......@@ -1805,6 +1810,20 @@ static struct cpu_spec __initdata cpu_specs[] = {
.machine_check = machine_check_440A,
.platform = "ppc440",
},
{ /* 464 in APM821xx */
.pvr_mask = 0xffffff00,
.pvr_value = 0x12C41C80,
.cpu_name = "APM821XX",
.cpu_features = CPU_FTRS_44X,
.cpu_user_features = COMMON_USER_BOOKE |
PPC_FEATURE_HAS_FPU,
.mmu_features = MMU_FTR_TYPE_44x,
.icache_bsize = 32,
.dcache_bsize = 32,
.cpu_setup = __setup_cpu_apm821xx,
.machine_check = machine_check_440A,
.platform = "ppc440",
},
{ /* 476 core */
.pvr_mask = 0xffff0000,
.pvr_value = 0x11a50000,
......@@ -1891,7 +1910,9 @@ static struct cpu_spec __initdata cpu_specs[] = {
.platform = "ppc5554",
}
#endif /* CONFIG_E200 */
#endif /* CONFIG_PPC32 */
#ifdef CONFIG_E500
#ifdef CONFIG_PPC32
{ /* e500 */
.pvr_mask = 0xffff0000,
.pvr_value = 0x80200000,
......@@ -1946,6 +1967,26 @@ static struct cpu_spec __initdata cpu_specs[] = {
.machine_check = machine_check_e500mc,
.platform = "ppce500mc",
},
#endif /* CONFIG_PPC32 */
{ /* e5500 */
.pvr_mask = 0xffff0000,
.pvr_value = 0x80240000,
.cpu_name = "e5500",
.cpu_features = CPU_FTRS_E500MC,
.cpu_user_features = COMMON_USER_BOOKE,
.mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS |
MMU_FTR_USE_TLBILX,
.icache_bsize = 64,
.dcache_bsize = 64,
.num_pmcs = 4,
.oprofile_cpu_type = "ppc/e500mc",
.oprofile_type = PPC_OPROFILE_FSL_EMB,
.cpu_setup = __setup_cpu_e5500,
.cpu_restore = __restore_cpu_e5500,
.machine_check = machine_check_e500mc,
.platform = "ppce5500",
},
#ifdef CONFIG_PPC32
{ /* default match */
.pvr_mask = 0x00000000,
.pvr_value = 0x00000000,
......@@ -1960,8 +2001,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
.machine_check = machine_check_e500,
.platform = "powerpc",
}
#endif /* CONFIG_E500 */
#endif /* CONFIG_PPC32 */
#endif /* CONFIG_E500 */
#ifdef CONFIG_PPC_BOOK3E_64
{ /* This is a default entry to get going, to be replaced by
......
arch/powerpc/kernel/crash.c
View file @ d4429f60
......@@ -414,18 +414,7 @@ void default_machine_crash_shutdown(struct pt_regs *regs)
crash_kexec_wait_realmode(crashing_cpu);
#endif
for_each_irq(i) {
struct irq_desc *desc = irq_to_desc(i);
if (!desc || !desc->chip || !desc->chip->eoi)
continue;
if (desc->status & IRQ_INPROGRESS)
desc->chip->eoi(i);
if (!(desc->status & IRQ_DISABLED))
desc->chip->shutdown(i);
}
machine_kexec_mask_interrupts();
/*
* Call registered shutdown routines savely. Swap out
......
arch/powerpc/kernel/dma-iommu.c
View file @ d4429f60
......@@ -74,16 +74,17 @@ static int dma_iommu_dma_supported(struct device *dev, u64 mask)
{
struct iommu_table *tbl = get_iommu_table_base(dev);
if (!tbl || tbl->it_offset > mask) {
printk(KERN_INFO
"Warning: IOMMU offset too big for device mask\n");
if (tbl)
printk(KERN_INFO
"mask: 0x%08llx, table offset: 0x%08lx\n",
mask, tbl->it_offset);
else
printk(KERN_INFO "mask: 0x%08llx, table unavailable\n",
mask);
if (!tbl) {
dev_info(dev, "Warning: IOMMU dma not supported: mask 0x%08llx"
", table unavailable\n", mask);
return 0;
}
if ((tbl->it_offset + tbl->it_size) > (mask >> IOMMU_PAGE_SHIFT)) {
dev_info(dev, "Warning: IOMMU window too big for device mask\n");
dev_info(dev, "mask: 0x%08llx, table end: 0x%08lx\n",
mask, (tbl->it_offset + tbl->it_size) <<
IOMMU_PAGE_SHIFT);
return 0;
} else
return 1;
......
arch/powerpc/kernel/dma.c
View file @ d4429f60
......@@ -12,6 +12,7 @@
#include <linux/memblock.h>
#include <asm/bug.h>
#include <asm/abs_addr.h>
#include <asm/machdep.h>
/*
* Generic direct DMA implementation
......@@ -89,7 +90,7 @@ static int dma_direct_dma_supported(struct device *dev, u64 mask)
/* Could be improved so platforms can set the limit in case
* they have limited DMA windows
*/
return mask >= (memblock_end_of_DRAM() - 1);
return mask >= get_dma_offset(dev) + (memblock_end_of_DRAM() - 1);
#else
return 1;
#endif
......@@ -154,6 +155,23 @@ EXPORT_SYMBOL(dma_direct_ops);
#define PREALLOC_DMA_DEBUG_ENTRIES (1 << 16)
int dma_set_mask(struct device *dev, u64 dma_mask)
{
struct dma_map_ops *dma_ops = get_dma_ops(dev);
if (ppc_md.dma_set_mask)
return ppc_md.dma_set_mask(dev, dma_mask);
if (unlikely(dma_ops == NULL))
return -EIO;
if (dma_ops->set_dma_mask != NULL)
return dma_ops->set_dma_mask(dev, dma_mask);
if (!dev->dma_mask || !dma_supported(dev, dma_mask))
return -EIO;
*dev->dma_mask = dma_mask;
return 0;
}
EXPORT_SYMBOL(dma_set_mask);
static int __init dma_init(void)
{
dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES);
......
arch/powerpc/kernel/entry_64.S
View file @ d4429f60
......@@ -97,6 +97,24 @@ system_call_common:
addi r9,r1,STACK_FRAME_OVERHEAD
ld r11,exception_marker@toc(r2)
std r11,-16(r9) /* "regshere" marker */
#if defined(CONFIG_VIRT_CPU_ACCOUNTING) && defined(CONFIG_PPC_SPLPAR)
BEGIN_FW_FTR_SECTION
beq 33f
/* if from user, see if there are any DTL entries to process */
ld r10,PACALPPACAPTR(r13) /* get ptr to VPA */
ld r11,PACA_DTL_RIDX(r13) /* get log read index */
ld r10,LPPACA_DTLIDX(r10) /* get log write index */
cmpd cr1,r11,r10
beq+ cr1,33f
bl .accumulate_stolen_time
REST_GPR(0,r1)
REST_4GPRS(3,r1)
REST_2GPRS(7,r1)
addi r9,r1,STACK_FRAME_OVERHEAD
33:
END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR)
#endif /* CONFIG_VIRT_CPU_ACCOUNTING && CONFIG_PPC_SPLPAR */
#ifdef CONFIG_TRACE_IRQFLAGS
bl .trace_hardirqs_on
REST_GPR(0,r1)
......@@ -202,7 +220,9 @@ syscall_exit:
bge- syscall_error
syscall_error_cont:
ld r7,_NIP(r1)
BEGIN_FTR_SECTION
stdcx. r0,0,r1 /* to clear the reservation */
END_FTR_SECTION_IFCLR(CPU_FTR_STCX_CHECKS_ADDRESS)
andi. r6,r8,MSR_PR
ld r4,_LINK(r1)
/*
......@@ -419,6 +439,17 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
sync
#endif /* CONFIG_SMP */
/*
* If we optimise away the clear of the reservation in system
* calls because we know the CPU tracks the address of the
* reservation, then we need to clear it here to cover the
* case that the kernel context switch path has no larx
* instructions.
*/
BEGIN_FTR_SECTION
ldarx r6,0,r1
END_FTR_SECTION_IFSET(CPU_FTR_STCX_CHECKS_ADDRESS)
addi r6,r4,-THREAD /* Convert THREAD to 'current' */
std r6,PACACURRENT(r13) /* Set new 'current' */
......@@ -576,7 +607,16 @@ ALT_FW_FTR_SECTION_END_IFCLR(FW_FEATURE_ISERIES)
andi. r0,r3,MSR_RI
beq- unrecov_restore
/*
* Clear the reservation. If we know the CPU tracks the address of
* the reservation then we can potentially save some cycles and use
* a larx. On POWER6 and POWER7 this is significantly faster.
*/
BEGIN_FTR_SECTION
stdcx. r0,0,r1 /* to clear the reservation */
FTR_SECTION_ELSE
ldarx r4,0,r1
ALT_FTR_SECTION_END_IFCLR(CPU_FTR_STCX_CHECKS_ADDRESS)
/*
* Clear RI before restoring r13. If we are returning to
......
arch/powerpc/kernel/fpu.S
View file @ d4429f60
......@@ -163,24 +163,14 @@ END_FTR_SECTION_IFSET(CPU_FTR_VSX)
/*
* These are used in the alignment trap handler when emulating
* single-precision loads and stores.
* We restore and save the fpscr so the task gets the same result
* and exceptions as if the cpu had performed the load or store.
*/
_GLOBAL(cvt_fd)
lfd 0,THREAD_FPSCR(r5) /* load up fpscr value */
MTFSF_L(0)
lfs 0,0(r3)
stfd 0,0(r4)
mffs 0
stfd 0,THREAD_FPSCR(r5) /* save new fpscr value */
blr
_GLOBAL(cvt_df)
lfd 0,THREAD_FPSCR(r5) /* load up fpscr value */
MTFSF_L(0)
lfd 0,0(r3)
stfs 0,0(r4)
mffs 0
stfd 0,THREAD_FPSCR(r5) /* save new fpscr value */
blr
arch/powerpc/kernel/head_fsl_booke.S
View file @ d4429f60
......@@ -152,8 +152,11 @@ _ENTRY(__early_start)
/* Check to see if we're the second processor, and jump
* to the secondary_start code if so
*/
mfspr r24,SPRN_PIR
cmpwi r24,0
lis r24, boot_cpuid@h
ori r24, r24, boot_cpuid@l
lwz r24, 0(r24)
cmpwi r24, -1
mfspr r24,SPRN_PIR
bne __secondary_start
#endif
......@@ -175,6 +178,9 @@ _ENTRY(__early_start)
li r0,0
stwu r0,THREAD_SIZE-STACK_FRAME_OVERHEAD(r1)
rlwinm r22,r1,0,0,31-THREAD_SHIFT /* current thread_info */
stw r24, TI_CPU(r22)
bl early_init
#ifdef CONFIG_RELOCATABLE
......
arch/powerpc/kernel/irq.c
View file @ d4429f60
......@@ -587,8 +587,10 @@ struct irq_host *irq_alloc_host(struct device_node *of_node,
* this will be fixed once slab is made available early
* instead of the current cruft
*/
if (mem_init_done)
if (mem_init_done) {
of_node_put(host->of_node);
kfree(host);
}
return NULL;
}
irq_map[0].host = host;
......@@ -1143,7 +1145,7 @@ static int virq_debug_show(struct seq_file *m, void *private)
unsigned long flags;
struct irq_desc *desc;
const char *p;
char none[] = "none";
static const char none[] = "none";
int i;
seq_printf(m, "%-5s %-7s %-15s %s\n", "virq", "hwirq",
......
arch/powerpc/kernel/lparcfg.c
View file @ d4429f60
......@@ -56,7 +56,7 @@ static unsigned long get_purr(void)
for_each_possible_cpu(cpu) {
if (firmware_has_feature(FW_FEATURE_ISERIES))
sum_purr += lppaca[cpu].emulated_time_base;
sum_purr += lppaca_of(cpu).emulated_time_base;
else {
struct cpu_usage *cu;
......@@ -263,7 +263,7 @@ static void parse_ppp_data(struct seq_file *m)
ppp_data.active_system_procs);
/* pool related entries are apropriate for shared configs */
if (lppaca[0].shared_proc) {
if (lppaca_of(0).shared_proc) {
unsigned long pool_idle_time, pool_procs;
seq_printf(m, "pool=%d\n", ppp_data.pool_num);
......@@ -460,8 +460,8 @@ static void pseries_cmo_data(struct seq_file *m)
return;
for_each_possible_cpu(cpu) {
cmo_faults += lppaca[cpu].cmo_faults;
cmo_fault_time += lppaca[cpu].cmo_fault_time;
cmo_faults += lppaca_of(cpu).cmo_faults;
cmo_fault_time += lppaca_of(cpu).cmo_fault_time;
}
seq_printf(m, "cmo_faults=%lu\n", cmo_faults);
......@@ -479,8 +479,8 @@ static void splpar_dispatch_data(struct seq_file *m)
unsigned long dispatch_dispersions = 0;
for_each_possible_cpu(cpu) {
dispatches += lppaca[cpu].yield_count;
dispatch_dispersions += lppaca[cpu].dispersion_count;
dispatches += lppaca_of(cpu).yield_count;
dispatch_dispersions += lppaca_of(cpu).dispersion_count;
}
seq_printf(m, "dispatches=%lu\n", dispatches);
......@@ -545,7 +545,7 @@ static int pseries_lparcfg_data(struct seq_file *m, void *v)
seq_printf(m, "partition_potential_processors=%d\n",
partition_potential_processors);
seq_printf(m, "shared_processor_mode=%d\n", lppaca[0].shared_proc);
seq_printf(m, "shared_processor_mode=%d\n", lppaca_of(0).shared_proc);
seq_printf(m, "slb_size=%d\n", mmu_slb_size);
......
arch/powerpc/kernel/machine_kexec.c
View file @ d4429f60
......@@ -14,10 +14,34 @@
#include <linux/threads.h>
#include <linux/memblock.h>
#include <linux/of.h>
#include <linux/irq.h>
#include <asm/machdep.h>
#include <asm/prom.h>
#include <asm/sections.h>
void machine_kexec_mask_interrupts(void) {
unsigned int i;
for_each_irq(i) {
struct irq_desc *desc = irq_to_desc(i);
if (!desc || !desc->chip)
continue;
if (desc->chip->eoi &&
desc->status & IRQ_INPROGRESS)
desc->chip->eoi(i);
if (desc->chip->mask)
desc->chip->mask(i);
if (desc->chip->disable &&
!(desc->status & IRQ_DISABLED))
desc->chip->disable(i);
}
}
void machine_crash_shutdown(struct pt_regs *regs)
{
if (ppc_md.machine_crash_shutdown)
......
arch/powerpc/kernel/machine_kexec_32.c
View file @ d4429f60
......@@ -39,6 +39,10 @@ void default_machine_kexec(struct kimage *image)
/* Interrupts aren't acceptable while we reboot */
local_irq_disable();
/* mask each interrupt so we are in a more sane state for the
* kexec kernel */
machine_kexec_mask_interrupts();
page_list = image->head;
/* we need both effective and real address here */
......
arch/powerpc/kernel/paca.c
View file @ d4429f60
......@@ -26,6 +26,20 @@ extern unsigned long __toc_start;
#ifdef CONFIG_PPC_BOOK3S
/*
* We only have to have statically allocated lppaca structs on
* legacy iSeries, which supports at most 64 cpus.
*/
#ifdef CONFIG_PPC_ISERIES
#if NR_CPUS < 64
#define NR_LPPACAS NR_CPUS
#else
#define NR_LPPACAS 64
#endif
#else /* not iSeries */
#define NR_LPPACAS 1
#endif
/*
* The structure which the hypervisor knows about - this structure
* should not cross a page boundary. The vpa_init/register_vpa call
......@@ -36,7 +50,7 @@ extern unsigned long __toc_start;
* will suffice to ensure that it doesn't cross a page boundary.
*/
struct lppaca lppaca[] = {
[0 ... (NR_CPUS-1)] = {
[0 ... (NR_LPPACAS-1)] = {
.desc = 0xd397d781, /* "LpPa" */
.size = sizeof(struct lppaca),
.dyn_proc_status = 2,
......@@ -49,6 +63,54 @@ struct lppaca lppaca[] = {
},
};
static struct lppaca *extra_lppacas;
static long __initdata lppaca_size;
static void allocate_lppacas(int nr_cpus, unsigned long limit)
{
if (nr_cpus <= NR_LPPACAS)
return;
lppaca_size = PAGE_ALIGN(sizeof(struct lppaca) *
(nr_cpus - NR_LPPACAS));
extra_lppacas = __va(memblock_alloc_base(lppaca_size,
PAGE_SIZE, limit));
}
static struct lppaca *new_lppaca(int cpu)
{
struct lppaca *lp;
if (cpu < NR_LPPACAS)
return &lppaca[cpu];
lp = extra_lppacas + (cpu - NR_LPPACAS);
*lp = lppaca[0];
return lp;
}
static void free_lppacas(void)
{
long new_size = 0, nr;
if (!lppaca_size)
return;
nr = num_possible_cpus() - NR_LPPACAS;
if (nr > 0)
new_size = PAGE_ALIGN(nr * sizeof(struct lppaca));
if (new_size >= lppaca_size)
return;
memblock_free(__pa(extra_lppacas) + new_size, lppaca_size - new_size);
lppaca_size = new_size;
}
#else
static inline void allocate_lppacas(int nr_cpus, unsigned long limit) { }
static inline void free_lppacas(void) { }
#endif /* CONFIG_PPC_BOOK3S */
#ifdef CONFIG_PPC_STD_MMU_64
......@@ -88,7 +150,7 @@ void __init initialise_paca(struct paca_struct *new_paca, int cpu)
unsigned long kernel_toc = (unsigned long)(&__toc_start) + 0x8000UL;
#ifdef CONFIG_PPC_BOOK3S
new_paca->lppaca_ptr = &lppaca[cpu];
new_paca->lppaca_ptr = new_lppaca(cpu);
#else
new_paca->kernel_pgd = swapper_pg_dir;
#endif
......@@ -144,6 +206,8 @@ void __init allocate_pacas(void)
printk(KERN_DEBUG "Allocated %u bytes for %d pacas at %p\n",
paca_size, nr_cpus, paca);
allocate_lppacas(nr_cpus, limit);
/* Can't use for_each_*_cpu, as they aren't functional yet */
for (cpu = 0; cpu < nr_cpus; cpu++)
initialise_paca(&paca[cpu], cpu);
......@@ -164,4 +228,6 @@ void __init free_unused_pacas(void)
paca_size - new_size);
paca_size = new_size;
free_lppacas();
}
arch/powerpc/kernel/pci-common.c
View file @ d4429f60
......@@ -1090,8 +1090,6 @@ void __devinit pcibios_setup_bus_devices(struct pci_bus *bus)
bus->number, bus->self ? pci_name(bus->self) : "PHB");
list_for_each_entry(dev, &bus->devices, bus_list) {
struct dev_archdata *sd = &dev->dev.archdata;
/* Cardbus can call us to add new devices to a bus, so ignore
* those who are already fully discovered
*/
......@@ -1107,7 +1105,7 @@ void __devinit pcibios_setup_bus_devices(struct pci_bus *bus)
set_dev_node(&dev->dev, pcibus_to_node(dev->bus));
/* Hook up default DMA ops */
sd->dma_ops = pci_dma_ops;
set_dma_ops(&dev->dev, pci_dma_ops);
set_dma_offset(&dev->dev, PCI_DRAM_OFFSET);
/* Additional platform DMA/iommu setup */
......
arch/powerpc/kernel/ppc970-pmu.c
View file @ d4429f60
......@@ -169,9 +169,11 @@ static int p970_marked_instr_event(u64 event)
switch (unit) {
case PM_VPU:
mask = 0x4c; /* byte 0 bits 2,3,6 */
break;
case PM_LSU0:
/* byte 2 bits 0,2,3,4,6; all of byte 1 */
mask = 0x085dff00;
break;
case PM_LSU1L:
mask = 0x50 << 24; /* byte 3 bits 4,6 */
break;
......
arch/powerpc/kernel/process.c
View file @ d4429f60
......@@ -517,7 +517,6 @@ struct task_struct *__switch_to(struct task_struct *prev,
account_system_vtime(current);
account_process_vtime(current);
calculate_steal_time();
/*
* We can't take a PMU exception inside _switch() since there is a
......@@ -1298,14 +1297,3 @@ unsigned long randomize_et_dyn(unsigned long base)
return ret;
}
#ifdef CONFIG_SMP
int arch_sd_sibling_asym_packing(void)
{
if (cpu_has_feature(CPU_FTR_ASYM_SMT)) {
printk_once(KERN_INFO "Enabling Asymmetric SMT scheduling\n");
return SD_ASYM_PACKING;
}
return 0;
}
#endif
arch/powerpc/kernel/ptrace.c
View file @ d4429f60
......@@ -1681,7 +1681,7 @@ long do_syscall_trace_enter(struct pt_regs *regs)
if (unlikely(current->audit_context)) {
#ifdef CONFIG_PPC64
if (!test_thread_flag(TIF_32BIT))
if (!is_32bit_task())
audit_syscall_entry(AUDIT_ARCH_PPC64,
regs->gpr[0],
regs->gpr[3], regs->gpr[4],
......
arch/powerpc/kernel/rtas.c
View file @ d4429f60
......@@ -805,7 +805,7 @@ static void rtas_percpu_suspend_me(void *info)
__rtas_suspend_cpu((struct rtas_suspend_me_data *)info, 1);
}
static int rtas_ibm_suspend_me(struct rtas_args *args)
int rtas_ibm_suspend_me(struct rtas_args *args)
{
long state;
long rc;
......@@ -855,7 +855,7 @@ static int rtas_ibm_suspend_me(struct rtas_args *args)
return atomic_read(&data.error);
}
#else /* CONFIG_PPC_PSERIES */
static int rtas_ibm_suspend_me(struct rtas_args *args)
int rtas_ibm_suspend_me(struct rtas_args *args)
{
return -ENOSYS;
}
......
arch/powerpc/kernel/setup_32.c
View file @ d4429f60
......@@ -46,7 +46,7 @@
extern void bootx_init(unsigned long r4, unsigned long phys);
int boot_cpuid;
int boot_cpuid = -1;
EXPORT_SYMBOL_GPL(boot_cpuid);
int boot_cpuid_phys;
......
arch/powerpc/kernel/smp.c
View file @ d4429f60
......@@ -508,9 +508,6 @@ int __devinit start_secondary(void *unused)
if (smp_ops->take_timebase)
smp_ops->take_timebase();
if (system_state > SYSTEM_BOOTING)
snapshot_timebase();
secondary_cpu_time_init();
ipi_call_lock();
......@@ -575,11 +572,18 @@ void __init smp_cpus_done(unsigned int max_cpus)
free_cpumask_var(old_mask);
snapshot_timebases();
dump_numa_cpu_topology();
}
int arch_sd_sibling_asym_packing(void)
{
if (cpu_has_feature(CPU_FTR_ASYM_SMT)) {
printk_once(KERN_INFO "Enabling Asymmetric SMT scheduling\n");
return SD_ASYM_PACKING;
}
return 0;
}
#ifdef CONFIG_HOTPLUG_CPU
int __cpu_disable(void)
{
......
arch/powerpc/kernel/time.c
View file @ d4429f60
......@@ -161,10 +161,9 @@ extern struct timezone sys_tz;
static long timezone_offset;
unsigned long ppc_proc_freq;
EXPORT_SYMBOL(ppc_proc_freq);
EXPORT_SYMBOL_GPL(ppc_proc_freq);
unsigned long ppc_tb_freq;
static DEFINE_PER_CPU(u64, last_jiffy);
EXPORT_SYMBOL_GPL(ppc_tb_freq);
#ifdef CONFIG_VIRT_CPU_ACCOUNTING
/*
......@@ -185,6 +184,8 @@ DEFINE_PER_CPU(unsigned long, cputime_scaled_last_delta);
cputime_t cputime_one_jiffy;
void (*dtl_consumer)(struct dtl_entry *, u64);
static void calc_cputime_factors(void)
{
struct div_result res;
......@@ -200,62 +201,153 @@ static void calc_cputime_factors(void)
}
/*
* Read the PURR on systems that have it, otherwise the timebase.
* Read the SPURR on systems that have it, otherwise the PURR,
* or if that doesn't exist return the timebase value passed in.
*/
static u64 read_purr(void)
static u64 read_spurr(u64 tb)
{
if (cpu_has_feature(CPU_FTR_SPURR))
return mfspr(SPRN_SPURR);
if (cpu_has_feature(CPU_FTR_PURR))
return mfspr(SPRN_PURR);
return mftb();
return tb;
}
#ifdef CONFIG_PPC_SPLPAR
/*
* Read the SPURR on systems that have it, otherwise the purr
* Scan the dispatch trace log and count up the stolen time.
* Should be called with interrupts disabled.
*/
static u64 read_spurr(u64 purr)
static u64 scan_dispatch_log(u64 stop_tb)
{
/*
* cpus without PURR won't have a SPURR
* We already know the former when we use this, so tell gcc
*/
if (cpu_has_feature(CPU_FTR_PURR) && cpu_has_feature(CPU_FTR_SPURR))
return mfspr(SPRN_SPURR);
return purr;
u64 i = local_paca->dtl_ridx;
struct dtl_entry *dtl = local_paca->dtl_curr;
struct dtl_entry *dtl_end = local_paca->dispatch_log_end;
struct lppaca *vpa = local_paca->lppaca_ptr;
u64 tb_delta;
u64 stolen = 0;
u64 dtb;
if (i == vpa->dtl_idx)
return 0;
while (i < vpa->dtl_idx) {
if (dtl_consumer)
dtl_consumer(dtl, i);
dtb = dtl->timebase;
tb_delta = dtl->enqueue_to_dispatch_time +
dtl->ready_to_enqueue_time;
barrier();
if (i + N_DISPATCH_LOG < vpa->dtl_idx) {
/* buffer has overflowed */
i = vpa->dtl_idx - N_DISPATCH_LOG;
dtl = local_paca->dispatch_log + (i % N_DISPATCH_LOG);
continue;
}
if (dtb > stop_tb)
break;
stolen += tb_delta;
++i;
++dtl;
if (dtl == dtl_end)
dtl = local_paca->dispatch_log;
}
local_paca->dtl_ridx = i;
local_paca->dtl_curr = dtl;
return stolen;
}
/*
* Accumulate stolen time by scanning the dispatch trace log.
* Called on entry from user mode.
*/
void accumulate_stolen_time(void)
{
u64 sst, ust;
sst = scan_dispatch_log(get_paca()->starttime_user);
ust = scan_dispatch_log(get_paca()->starttime);
get_paca()->system_time -= sst;
get_paca()->user_time -= ust;
get_paca()->stolen_time += ust + sst;
}
static inline u64 calculate_stolen_time(u64 stop_tb)
{
u64 stolen = 0;
if (get_paca()->dtl_ridx != get_paca()->lppaca_ptr->dtl_idx) {
stolen = scan_dispatch_log(stop_tb);
get_paca()->system_time -= stolen;
}
stolen += get_paca()->stolen_time;
get_paca()->stolen_time = 0;
return stolen;
}
#else /* CONFIG_PPC_SPLPAR */
static inline u64 calculate_stolen_time(u64 stop_tb)
{
return 0;
}
#endif /* CONFIG_PPC_SPLPAR */
/*
* Account time for a transition between system, hard irq
* or soft irq state.
*/
void account_system_vtime(struct task_struct *tsk)
{
u64 now, nowscaled, delta, deltascaled, sys_time;
u64 now, nowscaled, delta, deltascaled;
unsigned long flags;
u64 stolen, udelta, sys_scaled, user_scaled;
local_irq_save(flags);
now = read_purr();
now = mftb();
nowscaled = read_spurr(now);
delta = now - get_paca()->startpurr;
get_paca()->system_time += now - get_paca()->starttime;
get_paca()->starttime = now;
deltascaled = nowscaled - get_paca()->startspurr;
get_paca()->startpurr = now;
get_paca()->startspurr = nowscaled;
if (!in_interrupt()) {
/* deltascaled includes both user and system time.
* Hence scale it based on the purr ratio to estimate
* the system time */
sys_time = get_paca()->system_time;
if (get_paca()->user_time)
deltascaled = deltascaled * sys_time /
(sys_time + get_paca()->user_time);
delta += sys_time;
get_paca()->system_time = 0;
stolen = calculate_stolen_time(now);
delta = get_paca()->system_time;
get_paca()->system_time = 0;
udelta = get_paca()->user_time - get_paca()->utime_sspurr;
get_paca()->utime_sspurr = get_paca()->user_time;
/*
* Because we don't read the SPURR on every kernel entry/exit,
* deltascaled includes both user and system SPURR ticks.
* Apportion these ticks to system SPURR ticks and user
* SPURR ticks in the same ratio as the system time (delta)
* and user time (udelta) values obtained from the timebase
* over the same interval. The system ticks get accounted here;
* the user ticks get saved up in paca->user_time_scaled to be
* used by account_process_tick.
*/
sys_scaled = delta;
user_scaled = udelta;
if (deltascaled != delta + udelta) {
if (udelta) {
sys_scaled = deltascaled * delta / (delta + udelta);
user_scaled = deltascaled - sys_scaled;
} else {
sys_scaled = deltascaled;
}
}
get_paca()->user_time_scaled += user_scaled;
if (in_irq() || idle_task(smp_processor_id()) != tsk) {
account_system_time(tsk, 0, delta, sys_scaled);
if (stolen)
account_steal_time(stolen);
} else {
account_idle_time(delta + stolen);
}
if (in_irq() || idle_task(smp_processor_id()) != tsk)
account_system_time(tsk, 0, delta, deltascaled);
else
account_idle_time(delta);
__get_cpu_var(cputime_last_delta) = delta;
__get_cpu_var(cputime_scaled_last_delta) = deltascaled;
local_irq_restore(flags);
}
EXPORT_SYMBOL_GPL(account_system_vtime);
......@@ -265,125 +357,26 @@ EXPORT_SYMBOL_GPL(account_system_vtime);
* by the exception entry and exit code to the generic process
* user and system time records.
* Must be called with interrupts disabled.
* Assumes that account_system_vtime() has been called recently
* (i.e. since the last entry from usermode) so that
* get_paca()->user_time_scaled is up to date.
*/
void account_process_tick(struct task_struct *tsk, int user_tick)
{
cputime_t utime, utimescaled;
utime = get_paca()->user_time;
utimescaled = get_paca()->user_time_scaled;
get_paca()->user_time = 0;
utimescaled = cputime_to_scaled(utime);
get_paca()->user_time_scaled = 0;
get_paca()->utime_sspurr = 0;
account_user_time(tsk, utime, utimescaled);
}
/*
* Stuff for accounting stolen time.
*/
struct cpu_purr_data {
int initialized; /* thread is running */
u64 tb; /* last TB value read */
u64 purr; /* last PURR value read */
u64 spurr; /* last SPURR value read */
};
/*
* Each entry in the cpu_purr_data array is manipulated only by its
* "owner" cpu -- usually in the timer interrupt but also occasionally
* in process context for cpu online. As long as cpus do not touch
* each others' cpu_purr_data, disabling local interrupts is
* sufficient to serialize accesses.
*/
static DEFINE_PER_CPU(struct cpu_purr_data, cpu_purr_data);
static void snapshot_tb_and_purr(void *data)
{
unsigned long flags;
struct cpu_purr_data *p = &__get_cpu_var(cpu_purr_data);
local_irq_save(flags);
p->tb = get_tb_or_rtc();
p->purr = mfspr(SPRN_PURR);
wmb();
p->initialized = 1;
local_irq_restore(flags);
}
/*
* Called during boot when all cpus have come up.
*/
void snapshot_timebases(void)
{
if (!cpu_has_feature(CPU_FTR_PURR))
return;
on_each_cpu(snapshot_tb_and_purr, NULL, 1);
}
/*
* Must be called with interrupts disabled.
*/
void calculate_steal_time(void)
{
u64 tb, purr;
s64 stolen;
struct cpu_purr_data *pme;
pme = &__get_cpu_var(cpu_purr_data);
if (!pme->initialized)
return; /* !CPU_FTR_PURR or early in early boot */
tb = mftb();
purr = mfspr(SPRN_PURR);
stolen = (tb - pme->tb) - (purr - pme->purr);
if (stolen > 0) {
if (idle_task(smp_processor_id()) != current)
account_steal_time(stolen);
else
account_idle_time(stolen);
}
pme->tb = tb;
pme->purr = purr;
}
#ifdef CONFIG_PPC_SPLPAR
/*
* Must be called before the cpu is added to the online map when
* a cpu is being brought up at runtime.
*/
static void snapshot_purr(void)
{
struct cpu_purr_data *pme;
unsigned long flags;
if (!cpu_has_feature(CPU_FTR_PURR))
return;
local_irq_save(flags);
pme = &__get_cpu_var(cpu_purr_data);
pme->tb = mftb();
pme->purr = mfspr(SPRN_PURR);
pme->initialized = 1;
local_irq_restore(flags);
}
#endif /* CONFIG_PPC_SPLPAR */
#else /* ! CONFIG_VIRT_CPU_ACCOUNTING */
#define calc_cputime_factors()
#define calculate_steal_time() do { } while (0)
#endif
#if !(defined(CONFIG_VIRT_CPU_ACCOUNTING) && defined(CONFIG_PPC_SPLPAR))
#define snapshot_purr() do { } while (0)
#endif
/*
* Called when a cpu comes up after the system has finished booting,
* i.e. as a result of a hotplug cpu action.
*/
void snapshot_timebase(void)
{
__get_cpu_var(last_jiffy) = get_tb_or_rtc();
snapshot_purr();
}
void __delay(unsigned long loops)
{
unsigned long start;
......@@ -585,8 +578,6 @@ void timer_interrupt(struct pt_regs * regs)
old_regs = set_irq_regs(regs);
irq_enter();
calculate_steal_time();
if (test_irq_work_pending()) {
clear_irq_work_pending();
irq_work_run();
......
arch/powerpc/kernel/traps.c
View file @ d4429f60
......@@ -538,6 +538,11 @@ int machine_check_e500(struct pt_regs *regs)
return 0;
}
int machine_check_generic(struct pt_regs *regs)
{
return 0;
}
#elif defined(CONFIG_E200)
int machine_check_e200(struct pt_regs *regs)
{
......
arch/powerpc/kernel/vdso.c
View file @ d4429f60
......@@ -159,7 +159,7 @@ static void dump_vdso_pages(struct vm_area_struct * vma)
{
int i;
if (!vma || test_thread_flag(TIF_32BIT)) {
if (!vma || is_32bit_task()) {
printk("vDSO32 @ %016lx:\n", (unsigned long)vdso32_kbase);
for (i=0; i<vdso32_pages; i++) {
struct page *pg = virt_to_page(vdso32_kbase +
......@@ -170,7 +170,7 @@ static void dump_vdso_pages(struct vm_area_struct * vma)
dump_one_vdso_page(pg, upg);
}
}
if (!vma || !test_thread_flag(TIF_32BIT)) {
if (!vma || !is_32bit_task()) {
printk("vDSO64 @ %016lx:\n", (unsigned long)vdso64_kbase);
for (i=0; i<vdso64_pages; i++) {
struct page *pg = virt_to_page(vdso64_kbase +
......@@ -200,7 +200,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
return 0;
#ifdef CONFIG_PPC64
if (test_thread_flag(TIF_32BIT)) {
if (is_32bit_task()) {
vdso_pagelist = vdso32_pagelist;
vdso_pages = vdso32_pages;
vdso_base = VDSO32_MBASE;
......
arch/powerpc/kernel/vdso32/Makefile
View file @ d4429f60
......@@ -14,10 +14,10 @@ obj-vdso32 := $(addprefix $(obj)/, $(obj-vdso32))
GCOV_PROFILE := n
EXTRA_CFLAGS := -shared -fno-common -fno-builtin
EXTRA_CFLAGS += -nostdlib -Wl,-soname=linux-vdso32.so.1 \
ccflags-y := -shared -fno-common -fno-builtin
ccflags-y += -nostdlib -Wl,-soname=linux-vdso32.so.1 \
$(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
EXTRA_AFLAGS := -D__VDSO32__ -s
asflags-y := -D__VDSO32__ -s
obj-y += vdso32_wrapper.o
extra-y += vdso32.lds
......
arch/powerpc/kernel/vdso64/Makefile
View file @ d4429f60
......@@ -9,10 +9,10 @@ obj-vdso64 := $(addprefix $(obj)/, $(obj-vdso64))
GCOV_PROFILE := n
EXTRA_CFLAGS := -shared -fno-common -fno-builtin
EXTRA_CFLAGS += -nostdlib -Wl,-soname=linux-vdso64.so.1 \
ccflags-y := -shared -fno-common -fno-builtin
ccflags-y += -nostdlib -Wl,-soname=linux-vdso64.so.1 \
$(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
EXTRA_AFLAGS := -D__VDSO64__ -s
asflags-y := -D__VDSO64__ -s
obj-y += vdso64_wrapper.o
extra-y += vdso64.lds
......
arch/powerpc/kernel/vio.c
View file @ d4429f60
......@@ -1184,7 +1184,12 @@ EXPORT_SYMBOL(vio_unregister_driver);
/* vio_dev refcount hit 0 */
static void __devinit vio_dev_release(struct device *dev)
{
/* XXX should free TCE table */
struct iommu_table *tbl = get_iommu_table_base(dev);
/* iSeries uses a common table for all vio devices */
if (!firmware_has_feature(FW_FEATURE_ISERIES) && tbl)
iommu_free_table(tbl, dev->of_node ?
dev->of_node->full_name : dev_name(dev));
of_node_put(dev->of_node);
kfree(to_vio_dev(dev));
}
......@@ -1254,8 +1259,7 @@ struct vio_dev *vio_register_device_node(struct device_node *of_node)
if (device_register(&viodev->dev)) {
printk(KERN_ERR "%s: failed to register device %s\n",
__func__, dev_name(&viodev->dev));
/* XXX free TCE table */
kfree(viodev);
put_device(&viodev->dev);
return NULL;
}
......
arch/powerpc/kvm/Makefile
View file @ d4429f60
......@@ -4,7 +4,7 @@
subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
EXTRA_CFLAGS += -Ivirt/kvm -Iarch/powerpc/kvm
ccflags-y := -Ivirt/kvm -Iarch/powerpc/kvm
common-objs-y = $(addprefix ../../../virt/kvm/, kvm_main.o coalesced_mmio.o)
......
arch/powerpc/kvm/book3s_paired_singles.c
View file @ d4429f60
......@@ -159,7 +159,7 @@
static inline void kvmppc_sync_qpr(struct kvm_vcpu *vcpu, int rt)
{
kvm_cvt_df(&vcpu->arch.fpr[rt], &vcpu->arch.qpr[rt], &vcpu->arch.fpscr);
kvm_cvt_df(&vcpu->arch.fpr[rt], &vcpu->arch.qpr[rt]);
}
static void kvmppc_inject_pf(struct kvm_vcpu *vcpu, ulong eaddr, bool is_store)
......@@ -204,7 +204,7 @@ static int kvmppc_emulate_fpr_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
/* put in registers */
switch (ls_type) {
case FPU_LS_SINGLE:
kvm_cvt_fd((u32*)tmp, &vcpu->arch.fpr[rs], &vcpu->arch.fpscr);
kvm_cvt_fd((u32*)tmp, &vcpu->arch.fpr[rs]);
vcpu->arch.qpr[rs] = *((u32*)tmp);
break;
case FPU_LS_DOUBLE:
......@@ -230,7 +230,7 @@ static int kvmppc_emulate_fpr_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
switch (ls_type) {
case FPU_LS_SINGLE:
kvm_cvt_df(&vcpu->arch.fpr[rs], (u32*)tmp, &vcpu->arch.fpscr);
kvm_cvt_df(&vcpu->arch.fpr[rs], (u32*)tmp);
val = *((u32*)tmp);
len = sizeof(u32);
break;
......@@ -296,7 +296,7 @@ static int kvmppc_emulate_psq_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
emulated = EMULATE_DONE;
/* put in registers */
kvm_cvt_fd(&tmp[0], &vcpu->arch.fpr[rs], &vcpu->arch.fpscr);
kvm_cvt_fd(&tmp[0], &vcpu->arch.fpr[rs]);
vcpu->arch.qpr[rs] = tmp[1];
dprintk(KERN_INFO "KVM: PSQ_LD [0x%x, 0x%x] at 0x%lx (%d)\n", tmp[0],
......@@ -314,7 +314,7 @@ static int kvmppc_emulate_psq_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
u32 tmp[2];
int len = w ? sizeof(u32) : sizeof(u64);
kvm_cvt_df(&vcpu->arch.fpr[rs], &tmp[0], &vcpu->arch.fpscr);
kvm_cvt_df(&vcpu->arch.fpr[rs], &tmp[0]);
tmp[1] = vcpu->arch.qpr[rs];
r = kvmppc_st(vcpu, &addr, len, tmp, true);
......@@ -516,9 +516,9 @@ static int kvmppc_ps_three_in(struct kvm_vcpu *vcpu, bool rc,
WARN_ON(rc);
/* PS0 */
kvm_cvt_df(&fpr[reg_in1], &ps0_in1, &vcpu->arch.fpscr);
kvm_cvt_df(&fpr[reg_in2], &ps0_in2, &vcpu->arch.fpscr);
kvm_cvt_df(&fpr[reg_in3], &ps0_in3, &vcpu->arch.fpscr);
kvm_cvt_df(&fpr[reg_in1], &ps0_in1);
kvm_cvt_df(&fpr[reg_in2], &ps0_in2);
kvm_cvt_df(&fpr[reg_in3], &ps0_in3);
if (scalar & SCALAR_LOW)
ps0_in2 = qpr[reg_in2];
......@@ -529,7 +529,7 @@ static int kvmppc_ps_three_in(struct kvm_vcpu *vcpu, bool rc,
ps0_in1, ps0_in2, ps0_in3, ps0_out);
if (!(scalar & SCALAR_NO_PS0))
kvm_cvt_fd(&ps0_out, &fpr[reg_out], &vcpu->arch.fpscr);
kvm_cvt_fd(&ps0_out, &fpr[reg_out]);
/* PS1 */
ps1_in1 = qpr[reg_in1];
......@@ -566,12 +566,12 @@ static int kvmppc_ps_two_in(struct kvm_vcpu *vcpu, bool rc,
WARN_ON(rc);
/* PS0 */
kvm_cvt_df(&fpr[reg_in1], &ps0_in1, &vcpu->arch.fpscr);
kvm_cvt_df(&fpr[reg_in1], &ps0_in1);
if (scalar & SCALAR_LOW)
ps0_in2 = qpr[reg_in2];
else
kvm_cvt_df(&fpr[reg_in2], &ps0_in2, &vcpu->arch.fpscr);
kvm_cvt_df(&fpr[reg_in2], &ps0_in2);
func(&vcpu->arch.fpscr, &ps0_out, &ps0_in1, &ps0_in2);
......@@ -579,7 +579,7 @@ static int kvmppc_ps_two_in(struct kvm_vcpu *vcpu, bool rc,
dprintk(KERN_INFO "PS2 ps0 -> f(0x%x, 0x%x) = 0x%x\n",
ps0_in1, ps0_in2, ps0_out);
kvm_cvt_fd(&ps0_out, &fpr[reg_out], &vcpu->arch.fpscr);
kvm_cvt_fd(&ps0_out, &fpr[reg_out]);
}
/* PS1 */
......@@ -615,13 +615,13 @@ static int kvmppc_ps_one_in(struct kvm_vcpu *vcpu, bool rc,
WARN_ON(rc);
/* PS0 */
kvm_cvt_df(&fpr[reg_in], &ps0_in, &vcpu->arch.fpscr);
kvm_cvt_df(&fpr[reg_in], &ps0_in);
func(&vcpu->arch.fpscr, &ps0_out, &ps0_in);
dprintk(KERN_INFO "PS1 ps0 -> f(0x%x) = 0x%x\n",
ps0_in, ps0_out);
kvm_cvt_fd(&ps0_out, &fpr[reg_out], &vcpu->arch.fpscr);
kvm_cvt_fd(&ps0_out, &fpr[reg_out]);
/* PS1 */
ps1_in = qpr[reg_in];
......@@ -671,7 +671,7 @@ int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu)
#ifdef DEBUG
for (i = 0; i < ARRAY_SIZE(vcpu->arch.fpr); i++) {
u32 f;
kvm_cvt_df(&vcpu->arch.fpr[i], &f, &vcpu->arch.fpscr);
kvm_cvt_df(&vcpu->arch.fpr[i], &f);
dprintk(KERN_INFO "FPR[%d] = 0x%x / 0x%llx QPR[%d] = 0x%x\n",
i, f, vcpu->arch.fpr[i], i, vcpu->arch.qpr[i]);
}
......@@ -796,8 +796,7 @@ int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu)
vcpu->arch.fpr[ax_rd] = vcpu->arch.fpr[ax_ra];
/* vcpu->arch.qpr[ax_rd] = vcpu->arch.fpr[ax_rb]; */
kvm_cvt_df(&vcpu->arch.fpr[ax_rb],
&vcpu->arch.qpr[ax_rd],
&vcpu->arch.fpscr);
&vcpu->arch.qpr[ax_rd]);
break;
case OP_4X_PS_MERGE01:
WARN_ON(rcomp);
......@@ -808,19 +807,16 @@ int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu)
WARN_ON(rcomp);
/* vcpu->arch.fpr[ax_rd] = vcpu->arch.qpr[ax_ra]; */
kvm_cvt_fd(&vcpu->arch.qpr[ax_ra],
&vcpu->arch.fpr[ax_rd],
&vcpu->arch.fpscr);
&vcpu->arch.fpr[ax_rd]);
/* vcpu->arch.qpr[ax_rd] = vcpu->arch.fpr[ax_rb]; */
kvm_cvt_df(&vcpu->arch.fpr[ax_rb],
&vcpu->arch.qpr[ax_rd],
&vcpu->arch.fpscr);
&vcpu->arch.qpr[ax_rd]);
break;
case OP_4X_PS_MERGE11:
WARN_ON(rcomp);
/* vcpu->arch.fpr[ax_rd] = vcpu->arch.qpr[ax_ra]; */
kvm_cvt_fd(&vcpu->arch.qpr[ax_ra],
&vcpu->arch.fpr[ax_rd],
&vcpu->arch.fpscr);
&vcpu->arch.fpr[ax_rd]);
vcpu->arch.qpr[ax_rd] = vcpu->arch.qpr[ax_rb];
break;
}
......@@ -1255,7 +1251,7 @@ int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu)
#ifdef DEBUG
for (i = 0; i < ARRAY_SIZE(vcpu->arch.fpr); i++) {
u32 f;
kvm_cvt_df(&vcpu->arch.fpr[i], &f, &vcpu->arch.fpscr);
kvm_cvt_df(&vcpu->arch.fpr[i], &f);
dprintk(KERN_INFO "FPR[%d] = 0x%x\n", i, f);
}
#endif
......
arch/powerpc/kvm/emulate.c
View file @ d4429f60
......@@ -145,7 +145,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
/* this default type might be overwritten by subcategories */
kvmppc_set_exit_type(vcpu, EMULATED_INST_EXITS);
pr_debug(KERN_INFO "Emulating opcode %d / %d\n", get_op(inst), get_xop(inst));
pr_debug("Emulating opcode %d / %d\n", get_op(inst), get_xop(inst));
switch (get_op(inst)) {
case OP_TRAP:
......@@ -275,7 +275,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
{
u64 jd = get_tb() - vcpu->arch.dec_jiffies;
kvmppc_set_gpr(vcpu, rt, vcpu->arch.dec - jd);
pr_debug(KERN_INFO "mfDEC: %x - %llx = %lx\n",
pr_debug("mfDEC: %x - %llx = %lx\n",
vcpu->arch.dec, jd,
kvmppc_get_gpr(vcpu, rt));
break;
......
arch/powerpc/kvm/fpu.S
View file @ d4429f60
......@@ -273,19 +273,11 @@ FPD_THREE_IN(fnmsub)
FPD_THREE_IN(fnmadd)
_GLOBAL(kvm_cvt_fd)
lfd 0,0(r5) /* load up fpscr value */
MTFSF_L(0)
lfs 0,0(r3)
stfd 0,0(r4)
mffs 0
stfd 0,0(r5) /* save new fpscr value */
blr
_GLOBAL(kvm_cvt_df)
lfd 0,0(r5) /* load up fpscr value */
MTFSF_L(0)
lfd 0,0(r3)
stfs 0,0(r4)
mffs 0
stfd 0,0(r5) /* save new fpscr value */
blr
arch/powerpc/lib/Makefile
View file @ d4429f60
......@@ -4,9 +4,7 @@
subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
ifeq ($(CONFIG_PPC64),y)
EXTRA_CFLAGS += -mno-minimal-toc
endif
ccflags-$(CONFIG_PPC64) := -mno-minimal-toc
CFLAGS_REMOVE_code-patching.o = -pg
CFLAGS_REMOVE_feature-fixups.o = -pg
......@@ -17,7 +15,8 @@ obj-$(CONFIG_PPC32) += div64.o copy_32.o
obj-$(CONFIG_HAS_IOMEM) += devres.o
obj-$(CONFIG_PPC64) += copypage_64.o copyuser_64.o \
memcpy_64.o usercopy_64.o mem_64.o string.o
memcpy_64.o usercopy_64.o mem_64.o string.o \
checksum_wrappers_64.o
obj-$(CONFIG_XMON) += sstep.o ldstfp.o
obj-$(CONFIG_KPROBES) += sstep.o ldstfp.o
obj-$(CONFIG_HAVE_HW_BREAKPOINT) += sstep.o ldstfp.o
......
arch/powerpc/lib/checksum_64.S
View file @ d4429f60
This diff is collapsed.
arch/powerpc/lib/checksum_wrappers_64.c 0 → 100644
View file @ d4429f60
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) IBM Corporation, 2010
*
* Author: Anton Blanchard <anton@au.ibm.com>
*/
#include <linux/module.h>
#include <linux/compiler.h>
#include <linux/types.h>
#include <asm/checksum.h>
#include <asm/uaccess.h>
__wsum csum_and_copy_from_user(const void __user *src, void *dst,
int len, __wsum sum, int *err_ptr)
{
unsigned int csum;
might_sleep();
*err_ptr = 0;
if (!len) {
csum = 0;
goto out;
}
if (unlikely((len < 0) || !access_ok(VERIFY_READ, src, len))) {
*err_ptr = -EFAULT;
csum = (__force unsigned int)sum;
goto out;
}
csum = csum_partial_copy_generic((void __force *)src, dst,
len, sum, err_ptr, NULL);
if (unlikely(*err_ptr)) {
int missing = __copy_from_user(dst, src, len);
if (missing) {
memset(dst + len - missing, 0, missing);
*err_ptr = -EFAULT;
} else {
*err_ptr = 0;
}
csum = csum_partial(dst, len, sum);
}
out:
return (__force __wsum)csum;
}
EXPORT_SYMBOL(csum_and_copy_from_user);
__wsum csum_and_copy_to_user(const void *src, void __user *dst, int len,
__wsum sum, int *err_ptr)
{
unsigned int csum;
might_sleep();
*err_ptr = 0;
if (!len) {
csum = 0;
goto out;
}
if (unlikely((len < 0) || !access_ok(VERIFY_WRITE, dst, len))) {
*err_ptr = -EFAULT;
csum = -1; /* invalid checksum */
goto out;
}
csum = csum_partial_copy_generic(src, (void __force *)dst,
len, sum, NULL, err_ptr);
if (unlikely(*err_ptr)) {
csum = csum_partial(src, len, sum);
if (copy_to_user(dst, src, len)) {
*err_ptr = -EFAULT;
csum = -1; /* invalid checksum */
}
}
out:
return (__force __wsum)csum;
}
EXPORT_SYMBOL(csum_and_copy_to_user);
arch/powerpc/lib/copy_32.S
View file @ d4429f60
......@@ -62,7 +62,7 @@
.text
.stabs "arch/powerpc/lib/",N_SO,0,0,0f
.stabs "copy32.S",N_SO,0,0,0f
.stabs "copy_32.S",N_SO,0,0,0f
0:
CACHELINE_BYTES = L1_CACHE_BYTES
......
arch/powerpc/lib/ldstfp.S
View file @ d4429f60
......@@ -17,6 +17,8 @@
#include <asm/asm-offsets.h>
#include <linux/errno.h>
#ifdef CONFIG_PPC_FPU
#define STKFRM (PPC_MIN_STKFRM + 16)
.macro extab instr,handler
......@@ -81,7 +83,7 @@ _GLOBAL(do_lfs)
mfmsr r6
ori r7,r6,MSR_FP
cmpwi cr7,r3,0
mtmsrd r7
MTMSRD(r7)
isync
beq cr7,1f
stfd fr0,STKFRM-16(r1)
......@@ -93,7 +95,7 @@ _GLOBAL(do_lfs)
lfd fr0,STKFRM-16(r1)
4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1)
mtlr r0
mtmsrd r6
MTMSRD(r6)
isync
mr r3,r9
addi r1,r1,STKFRM
......@@ -108,7 +110,7 @@ _GLOBAL(do_lfd)
mfmsr r6
ori r7,r6,MSR_FP
cmpwi cr7,r3,0
mtmsrd r7
MTMSRD(r7)
isync
beq cr7,1f
stfd fr0,STKFRM-16(r1)
......@@ -120,7 +122,7 @@ _GLOBAL(do_lfd)
lfd fr0,STKFRM-16(r1)
4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1)
mtlr r0
mtmsrd r6
MTMSRD(r6)
isync
mr r3,r9
addi r1,r1,STKFRM
......@@ -135,7 +137,7 @@ _GLOBAL(do_stfs)
mfmsr r6
ori r7,r6,MSR_FP
cmpwi cr7,r3,0
mtmsrd r7
MTMSRD(r7)
isync
beq cr7,1f
stfd fr0,STKFRM-16(r1)
......@@ -147,7 +149,7 @@ _GLOBAL(do_stfs)
lfd fr0,STKFRM-16(r1)
4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1)
mtlr r0
mtmsrd r6
MTMSRD(r6)
isync
mr r3,r9
addi r1,r1,STKFRM
......@@ -162,7 +164,7 @@ _GLOBAL(do_stfd)
mfmsr r6
ori r7,r6,MSR_FP
cmpwi cr7,r3,0
mtmsrd r7
MTMSRD(r7)
isync
beq cr7,1f
stfd fr0,STKFRM-16(r1)
......@@ -174,7 +176,7 @@ _GLOBAL(do_stfd)
lfd fr0,STKFRM-16(r1)
4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1)
mtlr r0
mtmsrd r6
MTMSRD(r6)
isync
mr r3,r9
addi r1,r1,STKFRM
......@@ -229,7 +231,7 @@ _GLOBAL(do_lvx)
oris r7,r6,MSR_VEC@h
cmpwi cr7,r3,0
li r8,STKFRM-16
mtmsrd r7
MTMSRD(r7)
isync
beq cr7,1f
stvx vr0,r1,r8
......@@ -241,7 +243,7 @@ _GLOBAL(do_lvx)
lvx vr0,r1,r8
4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1)
mtlr r0
mtmsrd r6
MTMSRD(r6)
isync
mr r3,r9
addi r1,r1,STKFRM
......@@ -257,7 +259,7 @@ _GLOBAL(do_stvx)
oris r7,r6,MSR_VEC@h
cmpwi cr7,r3,0
li r8,STKFRM-16
mtmsrd r7
MTMSRD(r7)
isync
beq cr7,1f
stvx vr0,r1,r8
......@@ -269,7 +271,7 @@ _GLOBAL(do_stvx)
lvx vr0,r1,r8
4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1)
mtlr r0
mtmsrd r6
MTMSRD(r6)
isync
mr r3,r9
addi r1,r1,STKFRM
......@@ -325,7 +327,7 @@ _GLOBAL(do_lxvd2x)
oris r7,r6,MSR_VSX@h
cmpwi cr7,r3,0
li r8,STKFRM-16
mtmsrd r7
MTMSRD(r7)
isync
beq cr7,1f
STXVD2X(0,r1,r8)
......@@ -337,7 +339,7 @@ _GLOBAL(do_lxvd2x)
LXVD2X(0,r1,r8)
4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1)
mtlr r0
mtmsrd r6
MTMSRD(r6)
isync
mr r3,r9
addi r1,r1,STKFRM
......@@ -353,7 +355,7 @@ _GLOBAL(do_stxvd2x)
oris r7,r6,MSR_VSX@h
cmpwi cr7,r3,0
li r8,STKFRM-16
mtmsrd r7
MTMSRD(r7)
isync
beq cr7,1f
STXVD2X(0,r1,r8)
......@@ -365,7 +367,7 @@ _GLOBAL(do_stxvd2x)
LXVD2X(0,r1,r8)
4: PPC_LL r0,STKFRM+PPC_LR_STKOFF(r1)
mtlr r0
mtmsrd r6
MTMSRD(r6)
isync
mr r3,r9
addi r1,r1,STKFRM
......@@ -373,3 +375,5 @@ _GLOBAL(do_stxvd2x)
extab 2b,3b
#endif /* CONFIG_VSX */
#endif /* CONFIG_PPC_FPU */
arch/powerpc/lib/locks.c
View file @ d4429f60
......@@ -34,7 +34,7 @@ void __spin_yield(arch_spinlock_t *lock)
return;
holder_cpu = lock_value & 0xffff;
BUG_ON(holder_cpu >= NR_CPUS);
yield_count = lppaca[holder_cpu].yield_count;
yield_count = lppaca_of(holder_cpu).yield_count;
if ((yield_count & 1) == 0)
return; /* virtual cpu is currently running */
rmb();
......@@ -65,7 +65,7 @@ void __rw_yield(arch_rwlock_t *rw)
return; /* no write lock at present */
holder_cpu = lock_value & 0xffff;
BUG_ON(holder_cpu >= NR_CPUS);
yield_count = lppaca[holder_cpu].yield_count;
yield_count = lppaca_of(holder_cpu).yield_count;
if ((yield_count & 1) == 0)
return; /* virtual cpu is currently running */
rmb();
......
arch/powerpc/lib/sstep.c
View file @ d4429f60
......@@ -30,6 +30,7 @@ extern char system_call_common[];
#define XER_OV 0x40000000U
#define XER_CA 0x20000000U
#ifdef CONFIG_PPC_FPU
/*
* Functions in ldstfp.S
*/
......@@ -41,6 +42,7 @@ extern int do_lvx(int rn, unsigned long ea);
extern int do_stvx(int rn, unsigned long ea);
extern int do_lxvd2x(int rn, unsigned long ea);
extern int do_stxvd2x(int rn, unsigned long ea);
#endif
/*
* Determine whether a conditional branch instruction would branch.
......@@ -290,6 +292,7 @@ static int __kprobes write_mem(unsigned long val, unsigned long ea, int nb,
return write_mem_unaligned(val, ea, nb, regs);
}
#ifdef CONFIG_PPC_FPU
/*
* Check the address and alignment, and call func to do the actual
* load or store.
......@@ -351,6 +354,7 @@ static int __kprobes do_fp_store(int rn, int (*func)(int, unsigned long),
}
return err;
}
#endif
#ifdef CONFIG_ALTIVEC
/* For Altivec/VMX, no need to worry about alignment */
......@@ -1393,6 +1397,7 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr)
regs->gpr[rd] = byterev_4(val);
goto ldst_done;
#ifdef CONFIG_PPC_CPU
case 535: /* lfsx */
case 567: /* lfsux */
if (!(regs->msr & MSR_FP))
......@@ -1424,6 +1429,7 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr)
ea = xform_ea(instr, regs, u);
err = do_fp_store(rd, do_stfd, ea, 8, regs);
goto ldst_done;
#endif
#ifdef __powerpc64__
case 660: /* stdbrx */
......@@ -1534,6 +1540,7 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr)
} while (++rd < 32);
goto instr_done;
#ifdef CONFIG_PPC_FPU
case 48: /* lfs */
case 49: /* lfsu */
if (!(regs->msr & MSR_FP))
......@@ -1565,6 +1572,7 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr)
ea = dform_ea(instr, regs);
err = do_fp_store(rd, do_stfd, ea, 8, regs);
goto ldst_done;
#endif
#ifdef __powerpc64__
case 58: /* ld[u], lwa */
......
arch/powerpc/math-emu/Makefile
View file @ d4429f60
......@@ -15,4 +15,4 @@ obj-$(CONFIG_SPE) += math_efp.o
CFLAGS_fabs.o = -fno-builtin-fabs
CFLAGS_math.o = -fno-builtin-fabs
EXTRA_CFLAGS = -I. -Iinclude/math-emu -w
ccflags-y = -I. -Iinclude/math-emu -w
arch/powerpc/mm/Makefile
View file @ d4429f60
......@@ -4,9 +4,7 @@
subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
ifeq ($(CONFIG_PPC64),y)
EXTRA_CFLAGS += -mno-minimal-toc
endif
ccflags-$(CONFIG_PPC64) := -mno-minimal-toc
obj-y := fault.o mem.o pgtable.o gup.o \
init_$(CONFIG_WORD_SIZE).o \
......@@ -25,7 +23,7 @@ obj-$(CONFIG_PPC_STD_MMU) += hash_low_$(CONFIG_WORD_SIZE).o \
mmu_context_hash$(CONFIG_WORD_SIZE).o
obj-$(CONFIG_40x) += 40x_mmu.o
obj-$(CONFIG_44x) += 44x_mmu.o
obj-$(CONFIG_FSL_BOOKE) += fsl_booke_mmu.o
obj-$(CONFIG_PPC_FSL_BOOK3E) += fsl_booke_mmu.o
obj-$(CONFIG_NEED_MULTIPLE_NODES) += numa.o
obj-$(CONFIG_PPC_MM_SLICES) += slice.o
ifeq ($(CONFIG_HUGETLB_PAGE),y)
......
arch/powerpc/mm/fault.c
View file @ d4429f60
......@@ -30,6 +30,7 @@
#include <linux/kprobes.h>
#include <linux/kdebug.h>
#include <linux/perf_event.h>
#include <linux/magic.h>
#include <asm/firmware.h>
#include <asm/page.h>
......@@ -385,6 +386,7 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address,
void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig)
{
const struct exception_table_entry *entry;
unsigned long *stackend;
/* Are we prepared to handle this fault? */
if ((entry = search_exception_tables(regs->nip)) != NULL) {
......@@ -413,5 +415,9 @@ void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig)
printk(KERN_ALERT "Faulting instruction address: 0x%08lx\n",
regs->nip);
stackend = end_of_stack(current);
if (current != &init_task && *stackend != STACK_END_MAGIC)
printk(KERN_ALERT "Thread overran stack, or stack corrupted\n");
die("Kernel access of bad area", regs, sig);
}
arch/powerpc/mm/fsl_booke_mmu.c
View file @ d4429f60
......@@ -57,11 +57,6 @@
unsigned int tlbcam_index;
#if defined(CONFIG_LOWMEM_CAM_NUM_BOOL) && (CONFIG_LOWMEM_CAM_NUM >= NUM_TLBCAMS)
#error "LOWMEM_CAM_NUM must be less than NUM_TLBCAMS"
#endif
#define NUM_TLBCAMS (64)
struct tlbcam TLBCAM[NUM_TLBCAMS];
......@@ -138,7 +133,8 @@ static void settlbcam(int index, unsigned long virt, phys_addr_t phys,
if (mmu_has_feature(MMU_FTR_BIG_PHYS))
TLBCAM[index].MAS7 = (u64)phys >> 32;
if (flags & _PAGE_USER) {
/* Below is unlikely -- only for large user pages or similar */
if (pte_user(flags)) {
TLBCAM[index].MAS3 |= MAS3_UX | MAS3_UR;
TLBCAM[index].MAS3 |= ((flags & _PAGE_RW) ? MAS3_UW : 0);
}
......@@ -185,6 +181,12 @@ unsigned long map_mem_in_cams(unsigned long ram, int max_cam_idx)
return amount_mapped;
}
#ifdef CONFIG_PPC32
#if defined(CONFIG_LOWMEM_CAM_NUM_BOOL) && (CONFIG_LOWMEM_CAM_NUM >= NUM_TLBCAMS)
#error "LOWMEM_CAM_NUM must be less than NUM_TLBCAMS"
#endif
unsigned long __init mmu_mapin_ram(unsigned long top)
{
return tlbcam_addrs[tlbcam_index - 1].limit - PAGE_OFFSET + 1;
......@@ -225,3 +227,4 @@ void setup_initial_memory_limit(phys_addr_t first_memblock_base,
/* 64M mapped initially according to head_fsl_booke.S */
memblock_set_current_limit(min_t(u64, limit, 0x04000000));
}
#endif
arch/powerpc/mm/mmu_context_nohash.c
View file @ d4429f60
......@@ -334,7 +334,7 @@ static int __cpuinit mmu_context_cpu_notify(struct notifier_block *self,
/* We don't touch CPU 0 map, it's allocated at aboot and kept
* around forever
*/
if (cpu == 0)
if (cpu == boot_cpuid)
return NOTIFY_OK;
switch (action) {
......@@ -420,9 +420,11 @@ void __init mmu_context_init(void)
*/
context_map = alloc_bootmem(CTX_MAP_SIZE);
context_mm = alloc_bootmem(sizeof(void *) * (last_context + 1));
#ifndef CONFIG_SMP
stale_map[0] = alloc_bootmem(CTX_MAP_SIZE);
#else
stale_map[boot_cpuid] = alloc_bootmem(CTX_MAP_SIZE);
#ifdef CONFIG_SMP
register_cpu_notifier(&mmu_context_cpu_nb);
#endif
......
arch/powerpc/mm/mmu_decl.h
View file @ d4429f60
......@@ -140,10 +140,13 @@ extern void wii_memory_fixups(void);
extern void MMU_init_hw(void);
extern unsigned long mmu_mapin_ram(unsigned long top);
#elif defined(CONFIG_FSL_BOOKE)
#elif defined(CONFIG_PPC_FSL_BOOK3E)
extern unsigned long map_mem_in_cams(unsigned long ram, int max_cam_idx);
#ifdef CONFIG_PPC32
extern void MMU_init_hw(void);
extern unsigned long mmu_mapin_ram(unsigned long top);
extern void adjust_total_lowmem(void);
#endif
extern void loadcam_entry(unsigned int index);
struct tlbcam {
......
arch/powerpc/mm/tlb_nohash.c
View file @ d4429f60
......@@ -349,11 +349,47 @@ void tlb_flush_pgtable(struct mmu_gather *tlb, unsigned long address)
static void setup_page_sizes(void)
{
unsigned int tlb0cfg = mfspr(SPRN_TLB0CFG);
unsigned int tlb0ps = mfspr(SPRN_TLB0PS);
unsigned int eptcfg = mfspr(SPRN_EPTCFG);
unsigned int tlb0cfg;
unsigned int tlb0ps;
unsigned int eptcfg;
int i, psize;
#ifdef CONFIG_PPC_FSL_BOOK3E
unsigned int mmucfg = mfspr(SPRN_MMUCFG);
if (((mmucfg & MMUCFG_MAVN) == MMUCFG_MAVN_V1) &&
(mmu_has_feature(MMU_FTR_TYPE_FSL_E))) {
unsigned int tlb1cfg = mfspr(SPRN_TLB1CFG);
unsigned int min_pg, max_pg;
min_pg = (tlb1cfg & TLBnCFG_MINSIZE) >> TLBnCFG_MINSIZE_SHIFT;
max_pg = (tlb1cfg & TLBnCFG_MAXSIZE) >> TLBnCFG_MAXSIZE_SHIFT;
for (psize = 0; psize < MMU_PAGE_COUNT; ++psize) {
struct mmu_psize_def *def;
unsigned int shift;
def = &mmu_psize_defs[psize];
shift = def->shift;
if (shift == 0)
continue;
/* adjust to be in terms of 4^shift Kb */
shift = (shift - 10) >> 1;
if ((shift >= min_pg) && (shift <= max_pg))
def->flags |= MMU_PAGE_SIZE_DIRECT;
}
goto no_indirect;
}
#endif
tlb0cfg = mfspr(SPRN_TLB0CFG);
tlb0ps = mfspr(SPRN_TLB0PS);
eptcfg = mfspr(SPRN_EPTCFG);
/* Look for supported direct sizes */
for (psize = 0; psize < MMU_PAGE_COUNT; ++psize) {
struct mmu_psize_def *def = &mmu_psize_defs[psize];
......@@ -505,6 +541,20 @@ static void __early_init_mmu(int boot_cpu)
*/
linear_map_top = memblock_end_of_DRAM();
#ifdef CONFIG_PPC_FSL_BOOK3E
if (mmu_has_feature(MMU_FTR_TYPE_FSL_E)) {
unsigned int num_cams;
/* use a quarter of the TLBCAM for bolted linear map */
num_cams = (mfspr(SPRN_TLB1CFG) & TLBnCFG_N_ENTRY) / 4;
linear_map_top = map_mem_in_cams(linear_map_top, num_cams);
/* limit memory so we dont have linear faults */
memblock_enforce_memory_limit(linear_map_top);
memblock_analyze();
}
#endif
/* A sync won't hurt us after mucking around with
* the MMU configuration
*/
......
arch/powerpc/mm/tlb_nohash_low.S
View file @ d4429f60
......@@ -367,7 +367,7 @@ _GLOBAL(set_context)
#error Unsupported processor type !
#endif
#if defined(CONFIG_FSL_BOOKE)
#if defined(CONFIG_PPC_FSL_BOOK3E)
/*
* extern void loadcam_entry(unsigned int index)
*
......
arch/powerpc/oprofile/Makefile
View file @ d4429f60
subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
ifeq ($(CONFIG_PPC64),y)
EXTRA_CFLAGS += -mno-minimal-toc
endif
ccflags-$(CONFIG_PPC64) := -mno-minimal-toc
obj-$(CONFIG_OPROFILE) += oprofile.o
......
arch/powerpc/oprofile/backtrace.c
View file @ d4429f60
......@@ -105,7 +105,7 @@ void op_powerpc_backtrace(struct pt_regs * const regs, unsigned int depth)
}
} else {
#ifdef CONFIG_PPC64
if (!test_thread_flag(TIF_32BIT)) {
if (!is_32bit_task()) {
while (depth--) {
sp = user_getsp64(sp, first_frame);
if (!sp)
......
arch/powerpc/oprofile/op_model_fsl_emb.c
View file @ d4429f60
......@@ -2,7 +2,7 @@
* Freescale Embedded oprofile support, based on ppc64 oprofile support
* Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM
*
* Copyright (c) 2004 Freescale Semiconductor, Inc
* Copyright (c) 2004, 2010 Freescale Semiconductor, Inc
*
* Author: Andy Fleming
* Maintainer: Kumar Gala <galak@kernel.crashing.org>
......@@ -321,9 +321,6 @@ static void fsl_emb_handle_interrupt(struct pt_regs *regs,
int val;
int i;
/* set the PMM bit (see comment below) */
mtmsr(mfmsr() | MSR_PMM);
pc = regs->nip;
is_kernel = is_kernel_addr(pc);
......@@ -340,9 +337,13 @@ static void fsl_emb_handle_interrupt(struct pt_regs *regs,
}
/* The freeze bit was set by the interrupt. */
/* Clear the freeze bit, and reenable the interrupt.
* The counters won't actually start until the rfi clears
* the PMM bit */
/* Clear the freeze bit, and reenable the interrupt. The
* counters won't actually start until the rfi clears the PMM
* bit. The PMM bit should not be set until after the interrupt
* is cleared to avoid it getting lost in some hypervisor
* environments.
*/
mtmsr(mfmsr() | MSR_PMM);
pmc_start_ctrs(1);
}
......
arch/powerpc/platforms/44x/Kconfig
View file @ d4429f60
......@@ -17,6 +17,16 @@ config BAMBOO
help
This option enables support for the IBM PPC440EP evaluation board.
config BLUESTONE
bool "Bluestone"
depends on 44x
default n
select PPC44x_SIMPLE
select APM821xx
select IBM_NEW_EMAC_RGMII
help
This option enables support for the APM APM821xx Evaluation board.
config EBONY
bool "Ebony"
depends on 44x
......@@ -293,6 +303,12 @@ config 460SX
select IBM_NEW_EMAC_ZMII
select IBM_NEW_EMAC_TAH
config APM821xx
bool
select PPC_FPU
select IBM_NEW_EMAC_EMAC4
select IBM_NEW_EMAC_TAH
# 44x errata/workaround config symbols, selected by the CPU models above
config IBM440EP_ERR42
bool
......
arch/powerpc/platforms/44x/ppc44x_simple.c
View file @ d4429f60
......@@ -52,6 +52,7 @@ machine_device_initcall(ppc44x_simple, ppc44x_device_probe);
static char *board[] __initdata = {
"amcc,arches",
"amcc,bamboo",
"amcc,bluestone",
"amcc,canyonlands",
"amcc,glacier",
"ibm,ebony",
......
arch/powerpc/platforms/83xx/Kconfig
View file @ d4429f60
......@@ -10,12 +10,12 @@ menuconfig PPC_83xx
if PPC_83xx
config MPC830x_RDB
bool "Freescale MPC830x RDB"
bool "Freescale MPC830x RDB and derivatives"
select DEFAULT_UIMAGE
select PPC_MPC831x
select FSL_GTM
help
This option enables support for the MPC8308 RDB board.
This option enables support for the MPC8308 RDB and MPC8308 P1M boards.
config MPC831x_RDB
bool "Freescale MPC831x RDB"
......
arch/powerpc/platforms/83xx/mpc830x_rdb.c
View file @ d4429f60
......@@ -65,7 +65,8 @@ static int __init mpc830x_rdb_probe(void)
unsigned long root = of_get_flat_dt_root();
return of_flat_dt_is_compatible(root, "MPC8308RDB") ||
of_flat_dt_is_compatible(root, "fsl,mpc8308rdb");
of_flat_dt_is_compatible(root, "fsl,mpc8308rdb") ||
of_flat_dt_is_compatible(root, "denx,mpc8308_p1m");
}
static struct of_device_id __initdata of_bus_ids[] = {
......
arch/powerpc/platforms/85xx/Kconfig
View file @ d4429f60
......@@ -11,6 +11,8 @@ menuconfig FSL_SOC_BOOKE
if FSL_SOC_BOOKE
if PPC32
config MPC8540_ADS
bool "Freescale MPC8540 ADS"
select DEFAULT_UIMAGE
......@@ -153,10 +155,20 @@ config SBC8560
help
This option enables support for the Wind River SBC8560 board
config P3041_DS
bool "Freescale P3041 DS"
select DEFAULT_UIMAGE
select PPC_E500MC
select PHYS_64BIT
select SWIOTLB
select MPC8xxx_GPIO
select HAS_RAPIDIO
help
This option enables support for the P3041 DS board
config P4080_DS
bool "Freescale P4080 DS"
select DEFAULT_UIMAGE
select PPC_FSL_BOOK3E
select PPC_E500MC
select PHYS_64BIT
select SWIOTLB
......@@ -165,6 +177,20 @@ config P4080_DS
help
This option enables support for the P4080 DS board
endif # PPC32
config P5020_DS
bool "Freescale P5020 DS"
select DEFAULT_UIMAGE
select E500
select PPC_E500MC
select PHYS_64BIT
select SWIOTLB
select MPC8xxx_GPIO
select HAS_RAPIDIO
help
This option enables support for the P5020 DS board
endif # FSL_SOC_BOOKE
config TQM85xx
......
arch/powerpc/platforms/85xx/Makefile
View file @ d4429f60
......@@ -11,7 +11,9 @@ obj-$(CONFIG_MPC85xx_DS) += mpc85xx_ds.o
obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o
obj-$(CONFIG_MPC85xx_RDB) += mpc85xx_rdb.o
obj-$(CONFIG_P1022_DS) += p1022_ds.o
obj-$(CONFIG_P3041_DS) += p3041_ds.o corenet_ds.o
obj-$(CONFIG_P4080_DS) += p4080_ds.o corenet_ds.o
obj-$(CONFIG_P5020_DS) += p5020_ds.o corenet_ds.o
obj-$(CONFIG_STX_GP3) += stx_gp3.o
obj-$(CONFIG_TQM85xx) += tqm85xx.o
obj-$(CONFIG_SBC8560) += sbc8560.o
......
arch/powerpc/platforms/85xx/p1022_ds.c
View file @ d4429f60
......@@ -112,6 +112,8 @@ static struct of_device_id __initdata p1022_ds_ids[] = {
{ .compatible = "soc", },
{ .compatible = "simple-bus", },
{ .compatible = "gianfar", },
/* So that the DMA channel nodes can be probed individually: */
{ .compatible = "fsl,eloplus-dma", },
{},
};
......
arch/powerpc/platforms/85xx/p3041_ds.c 0 → 100644
View file @ d4429f60
/*
* P3041 DS Setup
*
* Maintained by Kumar Gala (see MAINTAINERS for contact information)
*
* Copyright 2009-2010 Freescale Semiconductor Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/kdev_t.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/phy.h>
#include <asm/system.h>
#include <asm/time.h>
#include <asm/machdep.h>
#include <asm/pci-bridge.h>
#include <mm/mmu_decl.h>
#include <asm/prom.h>
#include <asm/udbg.h>
#include <asm/mpic.h>
#include <linux/of_platform.h>
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
#include "corenet_ds.h"
/*
* Called very early, device-tree isn't unflattened
*/
static int __init p3041_ds_probe(void)
{
unsigned long root = of_get_flat_dt_root();
return of_flat_dt_is_compatible(root, "fsl,P3041DS");
}
define_machine(p3041_ds) {
.name = "P3041 DS",
.probe = p3041_ds_probe,
.setup_arch = corenet_ds_setup_arch,
.init_IRQ = corenet_ds_pic_init,
#ifdef CONFIG_PCI
.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
#endif
.get_irq = mpic_get_coreint_irq,
.restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
machine_device_initcall(p3041_ds, corenet_ds_publish_devices);
#ifdef CONFIG_SWIOTLB
machine_arch_initcall(p3041_ds, swiotlb_setup_bus_notifier);
#endif
arch/powerpc/platforms/85xx/p5020_ds.c 0 → 100644
View file @ d4429f60
/*
* P5020 DS Setup
*
* Maintained by Kumar Gala (see MAINTAINERS for contact information)
*
* Copyright 2009-2010 Freescale Semiconductor Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/kdev_t.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/phy.h>
#include <asm/system.h>
#include <asm/time.h>
#include <asm/machdep.h>
#include <asm/pci-bridge.h>
#include <mm/mmu_decl.h>
#include <asm/prom.h>
#include <asm/udbg.h>
#include <asm/mpic.h>
#include <linux/of_platform.h>
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
#include "corenet_ds.h"
/*
* Called very early, device-tree isn't unflattened
*/
static int __init p5020_ds_probe(void)
{
unsigned long root = of_get_flat_dt_root();
return of_flat_dt_is_compatible(root, "fsl,P5020DS");
}
define_machine(p5020_ds) {
.name = "P5020 DS",
.probe = p5020_ds_probe,
.setup_arch = corenet_ds_setup_arch,
.init_IRQ = corenet_ds_pic_init,
#ifdef CONFIG_PCI
.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
#endif
/* coreint doesn't play nice with lazy EE, use legacy mpic for now */
#ifdef CONFIG_PPC64
.get_irq = mpic_get_irq,
#else
.get_irq = mpic_get_coreint_irq,
#endif
.restart = fsl_rstcr_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
machine_device_initcall(p5020_ds, corenet_ds_publish_devices);
#ifdef CONFIG_SWIOTLB
machine_arch_initcall(p5020_ds, swiotlb_setup_bus_notifier);
#endif
arch/powerpc/platforms/85xx/smp.c
View file @ d4429f60
......@@ -16,6 +16,7 @@
#include <linux/delay.h>
#include <linux/of.h>
#include <linux/kexec.h>
#include <linux/highmem.h>
#include <asm/machdep.h>
#include <asm/pgtable.h>
......@@ -79,6 +80,7 @@ smp_85xx_kick_cpu(int nr)
local_irq_save(flags);
out_be32(bptr_vaddr + BOOT_ENTRY_PIR, nr);
#ifdef CONFIG_PPC32
out_be32(bptr_vaddr + BOOT_ENTRY_ADDR_LOWER, __pa(__early_start));
if (!ioremappable)
......@@ -88,6 +90,12 @@ smp_85xx_kick_cpu(int nr)
/* Wait a bit for the CPU to ack. */
while ((__secondary_hold_acknowledge != nr) && (++n < 1000))
mdelay(1);
#else
out_be64((u64 *)(bptr_vaddr + BOOT_ENTRY_ADDR_UPPER),
__pa((u64)*((unsigned long long *) generic_secondary_smp_init)));
smp_generic_kick_cpu(nr);
#endif
local_irq_restore(flags);
......@@ -114,19 +122,15 @@ struct smp_ops_t smp_85xx_ops = {
};
#ifdef CONFIG_KEXEC
static int kexec_down_cpus = 0;
atomic_t kexec_down_cpus = ATOMIC_INIT(0);
void mpc85xx_smp_kexec_cpu_down(int crash_shutdown, int secondary)
{
mpic_teardown_this_cpu(1);
/* When crashing, this gets called on all CPU's we only
* take down the non-boot cpus */
if (smp_processor_id() != boot_cpuid)
{
local_irq_disable();
kexec_down_cpus++;
local_irq_disable();
if (secondary) {
atomic_inc(&kexec_down_cpus);
/* loop forever */
while (1);
}
}
......@@ -137,16 +141,65 @@ static void mpc85xx_smp_kexec_down(void *arg)
ppc_md.kexec_cpu_down(0,1);
}
static void mpc85xx_smp_machine_kexec(struct kimage *image)
static void map_and_flush(unsigned long paddr)
{
int timeout = 2000;
struct page *page = pfn_to_page(paddr >> PAGE_SHIFT);
unsigned long kaddr = (unsigned long)kmap(page);
flush_dcache_range(kaddr, kaddr + PAGE_SIZE);
kunmap(page);
}
/**
* Before we reset the other cores, we need to flush relevant cache
* out to memory so we don't get anything corrupted, some of these flushes
* are performed out of an overabundance of caution as interrupts are not
* disabled yet and we can switch cores
*/
static void mpc85xx_smp_flush_dcache_kexec(struct kimage *image)
{
kimage_entry_t *ptr, entry;
unsigned long paddr;
int i;
set_cpus_allowed(current, cpumask_of_cpu(boot_cpuid));
if (image->type == KEXEC_TYPE_DEFAULT) {
/* normal kexec images are stored in temporary pages */
for (ptr = &image->head; (entry = *ptr) && !(entry & IND_DONE);
ptr = (entry & IND_INDIRECTION) ?
phys_to_virt(entry & PAGE_MASK) : ptr + 1) {
if (!(entry & IND_DESTINATION)) {
map_and_flush(entry);
}
}
/* flush out last IND_DONE page */
map_and_flush(entry);
} else {
/* crash type kexec images are copied to the crash region */
for (i = 0; i < image->nr_segments; i++) {
struct kexec_segment *seg = &image->segment[i];
for (paddr = seg->mem; paddr < seg->mem + seg->memsz;
paddr += PAGE_SIZE) {
map_and_flush(paddr);
}
}
}
/* also flush the kimage struct to be passed in as well */
flush_dcache_range((unsigned long)image,
(unsigned long)image + sizeof(*image));
}
static void mpc85xx_smp_machine_kexec(struct kimage *image)
{
int timeout = INT_MAX;
int i, num_cpus = num_present_cpus();
mpc85xx_smp_flush_dcache_kexec(image);
smp_call_function(mpc85xx_smp_kexec_down, NULL, 0);
if (image->type == KEXEC_TYPE_DEFAULT)
smp_call_function(mpc85xx_smp_kexec_down, NULL, 0);
while ( (kexec_down_cpus != (num_online_cpus() - 1)) &&
while ( (atomic_read(&kexec_down_cpus) != (num_cpus - 1)) &&
( timeout > 0 ) )
{
timeout--;
......@@ -155,7 +208,7 @@ static void mpc85xx_smp_machine_kexec(struct kimage *image)
if ( !timeout )
printk(KERN_ERR "Unable to bring down secondary cpu(s)");
for (i = 0; i < num_present_cpus(); i++)
for (i = 0; i < num_cpus; i++)
{
if ( i == smp_processor_id() ) continue;
mpic_reset_core(i);
......
arch/powerpc/platforms/Kconfig.cputype
View file @ d4429f60
......@@ -125,6 +125,7 @@ config 8xx
config E500
select FSL_EMB_PERFMON
select PPC_FSL_BOOK3E
bool
config PPC_E500MC
......@@ -166,9 +167,14 @@ config BOOKE
config FSL_BOOKE
bool
depends on E200 || E500
depends on (E200 || E500) && PPC32
default y
# this is for common code between PPC32 & PPC64 FSL BOOKE
config PPC_FSL_BOOK3E
bool
select FSL_EMB_PERFMON
default y if FSL_BOOKE
config PTE_64BIT
bool
......
arch/powerpc/platforms/cell/ras.c
View file @ d4429f60
......@@ -173,8 +173,10 @@ static int __init cbe_ptcal_enable(void)
return -ENODEV;
size = of_get_property(np, "ibm,cbe-ptcal-size", NULL);
if (!size)
if (!size) {
of_node_put(np);
return -ENODEV;
}
pr_debug("%s: enabling PTCAL, size = 0x%x\n", __func__, *size);
order = get_order(*size);
......
arch/powerpc/platforms/cell/spider-pic.c
View file @ d4429f60
......@@ -258,8 +258,10 @@ static unsigned int __init spider_find_cascade_and_node(struct spider_pic *pic)
return NO_IRQ;
imap += intsize + 1;
tmp = of_get_property(iic, "#interrupt-cells", NULL);
if (tmp == NULL)
if (tmp == NULL) {
of_node_put(iic);
return NO_IRQ;
}
intsize = *tmp;
/* Assume unit is last entry of interrupt specifier */
unit = imap[intsize - 1];
......
arch/powerpc/platforms/cell/spufs/file.c
View file @ d4429f60
......@@ -154,6 +154,7 @@ static const struct file_operations __fops = { \
.release = spufs_attr_release, \
.read = spufs_attr_read, \
.write = spufs_attr_write, \
.llseek = generic_file_llseek, \
};
......@@ -521,6 +522,7 @@ static const struct file_operations spufs_cntl_fops = {
.release = spufs_cntl_release,
.read = simple_attr_read,
.write = simple_attr_write,
.llseek = generic_file_llseek,
.mmap = spufs_cntl_mmap,
};
......@@ -714,6 +716,7 @@ static ssize_t spufs_mbox_read(struct file *file, char __user *buf,
static const struct file_operations spufs_mbox_fops = {
.open = spufs_pipe_open,
.read = spufs_mbox_read,
.llseek = no_llseek,
};
static ssize_t spufs_mbox_stat_read(struct file *file, char __user *buf,
......@@ -743,6 +746,7 @@ static ssize_t spufs_mbox_stat_read(struct file *file, char __user *buf,
static const struct file_operations spufs_mbox_stat_fops = {
.open = spufs_pipe_open,
.read = spufs_mbox_stat_read,
.llseek = no_llseek,
};
/* low-level ibox access function */
......@@ -863,6 +867,7 @@ static const struct file_operations spufs_ibox_fops = {
.read = spufs_ibox_read,
.poll = spufs_ibox_poll,
.fasync = spufs_ibox_fasync,
.llseek = no_llseek,
};
static ssize_t spufs_ibox_stat_read(struct file *file, char __user *buf,
......@@ -890,6 +895,7 @@ static ssize_t spufs_ibox_stat_read(struct file *file, char __user *buf,
static const struct file_operations spufs_ibox_stat_fops = {
.open = spufs_pipe_open,
.read = spufs_ibox_stat_read,
.llseek = no_llseek,
};
/* low-level mailbox write */
......@@ -1011,6 +1017,7 @@ static const struct file_operations spufs_wbox_fops = {
.write = spufs_wbox_write,
.poll = spufs_wbox_poll,
.fasync = spufs_wbox_fasync,
.llseek = no_llseek,
};
static ssize_t spufs_wbox_stat_read(struct file *file, char __user *buf,
......@@ -1038,6 +1045,7 @@ static ssize_t spufs_wbox_stat_read(struct file *file, char __user *buf,
static const struct file_operations spufs_wbox_stat_fops = {
.open = spufs_pipe_open,
.read = spufs_wbox_stat_read,
.llseek = no_llseek,
};
static int spufs_signal1_open(struct inode *inode, struct file *file)
......@@ -1166,6 +1174,7 @@ static const struct file_operations spufs_signal1_fops = {
.read = spufs_signal1_read,
.write = spufs_signal1_write,
.mmap = spufs_signal1_mmap,
.llseek = no_llseek,
};
static const struct file_operations spufs_signal1_nosched_fops = {
......@@ -1173,6 +1182,7 @@ static const struct file_operations spufs_signal1_nosched_fops = {
.release = spufs_signal1_release,
.write = spufs_signal1_write,
.mmap = spufs_signal1_mmap,
.llseek = no_llseek,
};
static int spufs_signal2_open(struct inode *inode, struct file *file)
......@@ -1305,6 +1315,7 @@ static const struct file_operations spufs_signal2_fops = {
.read = spufs_signal2_read,
.write = spufs_signal2_write,
.mmap = spufs_signal2_mmap,
.llseek = no_llseek,
};
static const struct file_operations spufs_signal2_nosched_fops = {
......@@ -1312,6 +1323,7 @@ static const struct file_operations spufs_signal2_nosched_fops = {
.release = spufs_signal2_release,
.write = spufs_signal2_write,
.mmap = spufs_signal2_mmap,
.llseek = no_llseek,
};
/*
......@@ -1451,6 +1463,7 @@ static const struct file_operations spufs_mss_fops = {
.open = spufs_mss_open,
.release = spufs_mss_release,
.mmap = spufs_mss_mmap,
.llseek = no_llseek,
};
static int
......@@ -1508,6 +1521,7 @@ static const struct file_operations spufs_psmap_fops = {
.open = spufs_psmap_open,
.release = spufs_psmap_release,
.mmap = spufs_psmap_mmap,
.llseek = no_llseek,
};
......@@ -1871,6 +1885,7 @@ static const struct file_operations spufs_mfc_fops = {
.fsync = spufs_mfc_fsync,
.fasync = spufs_mfc_fasync,
.mmap = spufs_mfc_mmap,
.llseek = no_llseek,
};
static int spufs_npc_set(void *data, u64 val)
......@@ -2246,6 +2261,7 @@ static ssize_t spufs_dma_info_read(struct file *file, char __user *buf,
static const struct file_operations spufs_dma_info_fops = {
.open = spufs_info_open,
.read = spufs_dma_info_read,
.llseek = no_llseek,
};
static ssize_t __spufs_proxydma_info_read(struct spu_context *ctx,
......@@ -2299,6 +2315,7 @@ static ssize_t spufs_proxydma_info_read(struct file *file, char __user *buf,
static const struct file_operations spufs_proxydma_info_fops = {
.open = spufs_info_open,
.read = spufs_proxydma_info_read,
.llseek = no_llseek,
};
static int spufs_show_tid(struct seq_file *s, void *private)
......@@ -2585,6 +2602,7 @@ static const struct file_operations spufs_switch_log_fops = {
.read = spufs_switch_log_read,
.poll = spufs_switch_log_poll,
.release = spufs_switch_log_release,
.llseek = no_llseek,
};
/**
......
arch/powerpc/platforms/chrp/nvram.c
View file @ d4429f60
......@@ -74,8 +74,10 @@ void __init chrp_nvram_init(void)
return;
nbytes_p = of_get_property(nvram, "#bytes", &proplen);
if (nbytes_p == NULL || proplen != sizeof(unsigned int))
if (nbytes_p == NULL || proplen != sizeof(unsigned int)) {
of_node_put(nvram);
return;
}
nvram_size = *nbytes_p;
......
arch/powerpc/platforms/iseries/Makefile
View file @ d4429f60
EXTRA_CFLAGS += -mno-minimal-toc
ccflags-y := -mno-minimal-toc
obj-y += exception.o
obj-y += hvlog.o hvlpconfig.o lpardata.o setup.o dt.o mf.o lpevents.o \
......
arch/powerpc/platforms/iseries/dt.c
View file @ d4429f60
......@@ -243,7 +243,7 @@ static void __init dt_cpus(struct iseries_flat_dt *dt)
pft_size[1] = __ilog2(HvCallHpt_getHptPages() * HW_PAGE_SIZE);
for (i = 0; i < NR_CPUS; i++) {
if (lppaca[i].dyn_proc_status >= 2)
if (lppaca_of(i).dyn_proc_status >= 2)
continue;
snprintf(p, 32 - (p - buf), "@%d", i);
......@@ -251,7 +251,7 @@ static void __init dt_cpus(struct iseries_flat_dt *dt)
dt_prop_str(dt, "device_type", device_type_cpu);
index = lppaca[i].dyn_hv_phys_proc_index;
index = lppaca_of(i).dyn_hv_phys_proc_index;
d = &xIoHriProcessorVpd[index];
dt_prop_u32(dt, "i-cache-size", d->xInstCacheSize * 1024);
......
arch/powerpc/platforms/iseries/smp.c
View file @ d4429f60
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arch/powerpc/platforms/maple/setup.c
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arch/powerpc/platforms/pseries/Makefile
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arch/powerpc/platforms/pseries/dlpar.c
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arch/powerpc/platforms/pseries/dtl.c
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arch/powerpc/platforms/pseries/lpar.c
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arch/powerpc/platforms/pseries/mobility.c 0 → 100644
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arch/powerpc/platforms/pseries/pseries.h
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arch/powerpc/platforms/pseries/setup.c
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arch/powerpc/platforms/pseries/xics.c
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arch/powerpc/sysdev/Makefile
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arch/powerpc/sysdev/dart_iommu.c
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arch/powerpc/sysdev/fsl_85xx_l2ctlr.c 0 → 100644
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arch/powerpc/sysdev/fsl_msi.c
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arch/powerpc/sysdev/fsl_soc.c
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arch/powerpc/sysdev/mpc8xxx_gpio.c
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arch/powerpc/sysdev/pmi.c
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arch/powerpc/xmon/Makefile
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drivers/i2c/busses/i2c-pasemi.c
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drivers/macintosh/via-pmu-led.c
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drivers/watchdog/Kconfig
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drivers/watchdog/booke_wdt.c
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include/linux/pci_ids.h
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