diff options
68 files changed, 2016 insertions, 613 deletions
diff --git a/Documentation/powerpc/dts-bindings/fsl/mpic.txt b/Documentation/powerpc/dts-bindings/fsl/mpic.txt new file mode 100644 index 00000000000..71e39cf3215 --- /dev/null +++ b/Documentation/powerpc/dts-bindings/fsl/mpic.txt @@ -0,0 +1,42 @@ +* OpenPIC and its interrupt numbers on Freescale's e500/e600 cores + +The OpenPIC specification does not specify which interrupt source has to +become which interrupt number. This is up to the software implementation +of the interrupt controller. The only requirement is that every +interrupt source has to have an unique interrupt number / vector number. +To accomplish this the current implementation assigns the number zero to +the first source, the number one to the second source and so on until +all interrupt sources have their unique number. +Usually the assigned vector number equals the interrupt number mentioned +in the documentation for a given core / CPU. This is however not true +for the e500 cores (MPC85XX CPUs) where the documentation distinguishes +between internal and external interrupt sources and starts counting at +zero for both of them. + +So what to write for external interrupt source X or internal interrupt +source Y into the device tree? Here is an example: + +The memory map for the interrupt controller in the MPC8544[0] shows, +that the first interrupt source starts at 0x5_0000 (PIC Register Address +Map-Interrupt Source Configuration Registers). This source becomes the +number zero therefore: + External interrupt 0 = interrupt number 0 + External interrupt 1 = interrupt number 1 + External interrupt 2 = interrupt number 2 + ... +Every interrupt number allocates 0x20 bytes register space. So to get +its number it is sufficient to shift the lower 16bits to right by five. +So for the external interrupt 10 we have: + 0x0140 >> 5 = 10 + +After the external sources, the internal sources follow. The in core I2C +controller on the MPC8544 for instance has the internal source number +27. Oo obtain its interrupt number we take the lower 16bits of its memory +address (0x5_0560) and shift it right: + 0x0560 >> 5 = 43 + +Therefore the I2C device node for the MPC8544 CPU has to have the +interrupt number 43 specified in the device tree. + +[0] MPC8544E PowerQUICCTM III, Integrated Host Processor Family Reference Manual + MPC8544ERM Rev. 1 10/2007 diff --git a/Documentation/trace/events-kmem.txt b/Documentation/trace/events-kmem.txt index 6ef2a8652e1..aa82ee4a5a8 100644 --- a/Documentation/trace/events-kmem.txt +++ b/Documentation/trace/events-kmem.txt @@ -1,7 +1,7 @@ Subsystem Trace Points: kmem -The tracing system kmem captures events related to object and page allocation -within the kernel. Broadly speaking there are four major subheadings. +The kmem tracing system captures events related to object and page allocation +within the kernel. Broadly speaking there are five major subheadings. o Slab allocation of small objects of unknown type (kmalloc) o Slab allocation of small objects of known type @@ -9,7 +9,7 @@ within the kernel. Broadly speaking there are four major subheadings. o Per-CPU Allocator Activity o External Fragmentation -This document will describe what each of the tracepoints are and why they +This document describes what each of the tracepoints is and why they might be useful. 1. Slab allocation of small objects of unknown type @@ -34,7 +34,7 @@ kmem_cache_free call_site=%lx ptr=%p These events are similar in usage to the kmalloc-related events except that it is likely easier to pin the event down to a specific cache. At the time of writing, no information is available on what slab is being allocated from, -but the call_site can usually be used to extrapolate that information +but the call_site can usually be used to extrapolate that information. 3. Page allocation ================== @@ -80,9 +80,9 @@ event indicating whether it is for a percpu_refill or not. When the per-CPU list is too full, a number of pages are freed, each one which triggers a mm_page_pcpu_drain event. -The individual nature of the events are so that pages can be tracked +The individual nature of the events is so that pages can be tracked between allocation and freeing. A number of drain or refill pages that occur -consecutively imply the zone->lock being taken once. Large amounts of PCP +consecutively imply the zone->lock being taken once. Large amounts of per-CPU refills and drains could imply an imbalance between CPUs where too much work is being concentrated in one place. It could also indicate that the per-CPU lists should be a larger size. Finally, large amounts of refills on one CPU @@ -102,6 +102,6 @@ is important. Large numbers of this event implies that memory is fragmenting and high-order allocations will start failing at some time in the future. One -means of reducing the occurange of this event is to increase the size of +means of reducing the occurrence of this event is to increase the size of min_free_kbytes in increments of 3*pageblock_size*nr_online_nodes where pageblock_size is usually the size of the default hugepage size. diff --git a/arch/powerpc/boot/dts/katmai.dts b/arch/powerpc/boot/dts/katmai.dts index 51eb6ed5da2..8f345de960c 100644 --- a/arch/powerpc/boot/dts/katmai.dts +++ b/arch/powerpc/boot/dts/katmai.dts @@ -108,12 +108,19 @@ dcr-reg = <0x00c 0x002>; }; + MQ0: mq { + compatible = "ibm,mq-440spe"; + dcr-reg = <0x040 0x020>; + }; + plb { compatible = "ibm,plb-440spe", "ibm,plb-440gp", "ibm,plb4"; #address-cells = <2>; #size-cells = <1>; /* addr-child addr-parent size */ - ranges = <0x4 0xe0000000 0x4 0xe0000000 0x20000000 + ranges = <0x4 0x00100000 0x4 0x00100000 0x00001000 + 0x4 0x00200000 0x4 0x00200000 0x00000400 + 0x4 0xe0000000 0x4 0xe0000000 0x20000000 0xc 0x00000000 0xc 0x00000000 0x20000000 0xd 0x00000000 0xd 0x00000000 0x80000000 0xd 0x80000000 0xd 0x80000000 0x80000000 @@ -400,6 +407,49 @@ 0x0 0x0 0x0 0x3 &UIC3 0xa 0x4 /* swizzled int C */ 0x0 0x0 0x0 0x4 &UIC3 0xb 0x4 /* swizzled int D */>; }; + + I2O: i2o@400100000 { + compatible = "ibm,i2o-440spe"; + reg = <0x00000004 0x00100000 0x100>; + dcr-reg = <0x060 0x020>; + }; + + DMA0: dma0@400100100 { + compatible = "ibm,dma-440spe"; + cell-index = <0>; + reg = <0x00000004 0x00100100 0x100>; + dcr-reg = <0x060 0x020>; + interrupt-parent = <&DMA0>; + interrupts = <0 1>; + #interrupt-cells = <1>; + #address-cells = <0>; + #size-cells = <0>; + interrupt-map = < + 0 &UIC0 0x14 4 + 1 &UIC1 0x16 4>; + }; + + DMA1: dma1@400100200 { + compatible = "ibm,dma-440spe"; + cell-index = <1>; + reg = <0x00000004 0x00100200 0x100>; + dcr-reg = <0x060 0x020>; + interrupt-parent = <&DMA1>; + interrupts = <0 1>; + #interrupt-cells = <1>; + #address-cells = <0>; + #size-cells = <0>; + interrupt-map = < + 0 &UIC0 0x16 4 + 1 &UIC1 0x16 4>; + }; + + xor-accel@400200000 { + compatible = "amcc,xor-accelerator"; + reg = <0x00000004 0x00200000 0x400>; + interrupt-parent = <&UIC1>; + interrupts = <0x1f 4>; + }; }; chosen { diff --git a/arch/powerpc/boot/dts/mpc8315erdb.dts b/arch/powerpc/boot/dts/mpc8315erdb.dts index 32e10f588c1..8a3a4f3ef83 100644 --- a/arch/powerpc/boot/dts/mpc8315erdb.dts +++ b/arch/powerpc/boot/dts/mpc8315erdb.dts @@ -204,6 +204,7 @@ interrupt-parent = <&ipic>; tbi-handle = <&tbi0>; phy-handle = < &phy0 >; + fsl,magic-packet; mdio@520 { #address-cells = <1>; @@ -246,6 +247,7 @@ interrupt-parent = <&ipic>; tbi-handle = <&tbi1>; phy-handle = < &phy1 >; + fsl,magic-packet; mdio@520 { #address-cells = <1>; @@ -309,6 +311,22 @@ interrupt-parent = <&ipic>; }; + gtm1: timer@500 { + compatible = "fsl,mpc8315-gtm", "fsl,gtm"; + reg = <0x500 0x100>; + interrupts = <90 8 78 8 84 8 72 8>; + interrupt-parent = <&ipic>; + clock-frequency = <133333333>; + }; + + timer@600 { + compatible = "fsl,mpc8315-gtm", "fsl,gtm"; + reg = <0x600 0x100>; + interrupts = <91 8 79 8 85 8 73 8>; + interrupt-parent = <&ipic>; + clock-frequency = <133333333>; + }; + /* IPIC * interrupts cell = <intr #, sense> * sense values match linux IORESOURCE_IRQ_* defines: @@ -337,6 +355,15 @@ 0x59 0x8>; interrupt-parent = < &ipic >; }; + + pmc: power@b00 { + compatible = "fsl,mpc8315-pmc", "fsl,mpc8313-pmc", + "fsl,mpc8349-pmc"; + reg = <0xb00 0x100 0xa00 0x100>; + interrupts = <80 8>; + interrupt-parent = <&ipic>; + fsl,mpc8313-wakeup-timer = <>m1>; + }; }; pci0: pci@e0008500 { diff --git a/arch/powerpc/boot/dts/mpc8349emitx.dts b/arch/powerpc/boot/dts/mpc8349emitx.dts index feeeb7f9d60..b53d1df11e2 100644 --- a/arch/powerpc/boot/dts/mpc8349emitx.dts +++ b/arch/powerpc/boot/dts/mpc8349emitx.dts @@ -63,6 +63,24 @@ reg = <0x200 0x100>; }; + gpio1: gpio-controller@c00 { + #gpio-cells = <2>; + compatible = "fsl,mpc8349-gpio"; + reg = <0xc00 0x100>; + interrupts = <74 0x8>; + interrupt-parent = <&ipic>; + gpio-controller; + }; + + gpio2: gpio-controller@d00 { + #gpio-cells = <2>; + compatible = "fsl,mpc8349-gpio"; + reg = <0xd00 0x100>; + interrupts = <75 0x8>; + interrupt-parent = <&ipic>; + gpio-controller; + }; + i2c@3000 { #address-cells = <1>; #size-cells = <0>; @@ -72,6 +90,12 @@ interrupts = <14 0x8>; interrupt-parent = <&ipic>; dfsrr; + + eeprom: at24@50 { + compatible = "st-micro,24c256"; + reg = <0x50>; + }; + }; i2c@3100 { @@ -91,6 +115,25 @@ interrupt-parent = <&ipic>; }; + pcf1: iexp@38 { + #gpio-cells = <2>; + compatible = "ti,pcf8574a"; + reg = <0x38>; + gpio-controller; + }; + + pcf2: iexp@39 { + #gpio-cells = <2>; + compatible = "ti,pcf8574a"; + reg = <0x39>; + gpio-controller; + }; + + spd: at24@51 { + compatible = "at24,spd"; + reg = <0x51>; + }; + mcu_pio: mcu@a { #gpio-cells = <2>; compatible = "fsl,mc9s08qg8-mpc8349emitx", @@ -275,6 +318,24 @@ reg = <0x700 0x100>; device_type = "ipic"; }; + + gpio-leds { + compatible = "gpio-leds"; + + green { + label = "Green"; + gpios = <&pcf1 0 1>; + linux,default-trigger = "heartbeat"; + }; + + yellow { + label = "Yellow"; + gpios = <&pcf1 1 1>; + /* linux,default-trigger = "heartbeat"; */ + default-state = "on"; + }; + }; + }; pci0: pci@e0008500 { @@ -331,7 +392,26 @@ compatible = "fsl,mpc8349e-localbus", "fsl,pq2pro-localbus"; reg = <0xe0005000 0xd8>; - ranges = <0x3 0x0 0xf0000000 0x210>; + ranges = <0x0 0x0 0xfe000000 0x1000000 /* flash */ + 0x1 0x0 0xf8000000 0x20000 /* VSC 7385 */ + 0x2 0x0 0xf9000000 0x200000 /* exp slot */ + 0x3 0x0 0xf0000000 0x210>; /* CF slot */ + + flash@0,0 { + compatible = "cfi-flash"; + reg = <0x0 0x0 0x800000>; + bank-width = <2>; + device-width = <1>; + }; + + flash@0,800000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "cfi-flash"; + reg = <0x0 0x800000 0x800000>; + bank-width = <2>; + device-width = <1>; + }; pata@3,0 { compatible = "fsl,mpc8349emitx-pata", "ata-generic"; diff --git a/arch/powerpc/boot/dts/warp.dts b/arch/powerpc/boot/dts/warp.dts index 31605ee4afb..e576ee85c42 100644 --- a/arch/powerpc/boot/dts/warp.dts +++ b/arch/powerpc/boot/dts/warp.dts @@ -146,7 +146,7 @@ fpga@2,4000 { compatible = "pika,fpga-sd"; - reg = <0x00000002 0x00004000 0x00000A00>; + reg = <0x00000002 0x00004000 0x00004000>; }; nor@0,0 { diff --git a/arch/powerpc/boot/ugecon.c b/arch/powerpc/boot/ugecon.c index 50609ea6ddf..8f2a6b31153 100644 --- a/arch/powerpc/boot/ugecon.c +++ b/arch/powerpc/boot/ugecon.c @@ -86,7 +86,7 @@ static void ug_putc(char ch) while (!ug_is_txfifo_ready() && count--) barrier(); - if (count) + if (count >= 0) ug_raw_putc(ch); } diff --git a/arch/powerpc/configs/g5_defconfig b/arch/powerpc/configs/g5_defconfig index fc905924c02..826a65d3f00 100644 --- a/arch/powerpc/configs/g5_defconfig +++ b/arch/powerpc/configs/g5_defconfig @@ -757,7 +757,7 @@ CONFIG_SUNGEM=y # CONFIG_B44 is not set # CONFIG_ATL2 is not set CONFIG_NETDEV_1000=y -CONFIG_ACENIC=y +CONFIG_ACENIC=m CONFIG_ACENIC_OMIT_TIGON_I=y # CONFIG_DL2K is not set CONFIG_E1000=y @@ -794,8 +794,8 @@ CONFIG_NETDEV_10000=y # CONFIG_BNX2X is not set # CONFIG_QLGE is not set # CONFIG_SFC is not set -CONFIG_TR=y -CONFIG_IBMOL=y +# CONFIG_TR is not set +# CONFIG_IBMOL is not set # CONFIG_3C359 is not set # CONFIG_TMS380TR is not set diff --git a/arch/powerpc/configs/iseries_defconfig b/arch/powerpc/configs/iseries_defconfig index f925c555508..76982c51a4c 100644 --- a/arch/powerpc/configs/iseries_defconfig +++ b/arch/powerpc/configs/iseries_defconfig @@ -714,8 +714,8 @@ CONFIG_NETDEV_10000=y # CONFIG_BNX2X is not set # CONFIG_QLGE is not set # CONFIG_SFC is not set -CONFIG_TR=y -CONFIG_IBMOL=y +# CONFIG_TR is not set +# CONFIG_IBMOL is not set # CONFIG_3C359 is not set # CONFIG_TMS380TR is not set diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig index 25240182457..7b3804a6e36 100644 --- a/arch/powerpc/configs/ppc64_defconfig +++ b/arch/powerpc/configs/ppc64_defconfig @@ -304,11 +304,11 @@ CONFIG_TICK_ONESHOT=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_GENERIC_CLOCKEVENTS_BUILD=y -# CONFIG_HZ_100 is not set -CONFIG_HZ_250=y +CONFIG_HZ_100=y +# CONFIG_HZ_250 is not set # CONFIG_HZ_300 is not set # CONFIG_HZ_1000 is not set -CONFIG_HZ=250 +CONFIG_HZ=100 CONFIG_SCHED_HRTICK=y CONFIG_PREEMPT_NONE=y # CONFIG_PREEMPT_VOLUNTARY is not set @@ -980,7 +980,7 @@ CONFIG_E100=y # CONFIG_SC92031 is not set # CONFIG_ATL2 is not set CONFIG_NETDEV_1000=y -CONFIG_ACENIC=y +CONFIG_ACENIC=m CONFIG_ACENIC_OMIT_TIGON_I=y # CONFIG_DL2K is not set CONFIG_E1000=y @@ -1023,8 +1023,8 @@ CONFIG_PASEMI_MAC=y # CONFIG_BNX2X is not set # CONFIG_QLGE is not set # CONFIG_SFC is not set -CONFIG_TR=y -CONFIG_IBMOL=y +# CONFIG_TR is not set +# CONFIG_IBMOL is not set # CONFIG_3C359 is not set # CONFIG_TMS380TR is not set @@ -1863,7 +1863,7 @@ CONFIG_HFSPLUS_FS=m # CONFIG_BEFS_FS is not set # CONFIG_BFS_FS is not set # CONFIG_EFS_FS is not set -CONFIG_CRAMFS=y +CONFIG_CRAMFS=m # CONFIG_VXFS_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_OMFS_FS is not set diff --git a/arch/powerpc/configs/ppc64e_defconfig b/arch/powerpc/configs/ppc64e_defconfig index 18af4603625..8195f1650cb 100644 --- a/arch/powerpc/configs/ppc64e_defconfig +++ b/arch/powerpc/configs/ppc64e_defconfig @@ -1008,8 +1008,8 @@ CONFIG_IXGB=m # CONFIG_QLGE is not set # CONFIG_SFC is not set # CONFIG_BE2NET is not set -CONFIG_TR=y -CONFIG_IBMOL=y +# CONFIG_TR is not set +# CONFIG_IBMOL is not set # CONFIG_3C359 is not set # CONFIG_TMS380TR is not set CONFIG_WLAN=y diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig index c568329723b..ca9ff9aad74 100644 --- a/arch/powerpc/confi |