diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-05-31 10:01:50 +1000 | 
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-05-31 10:01:50 +1000 | 
| commit | ecca1a34befbb13fc23d9a2cc0d6b725c7727fb2 (patch) | |
| tree | 6539480b50258f30af799a6ab38529d7b2d7e538 /arch | |
| parent | 3d00d4ff11686895925f46265f4a78dc78196c2e (diff) | |
| parent | 48936a08b85518c22a9467a8eaac35d43af54ab4 (diff) | |
| download | linux-ecca1a34befbb13fc23d9a2cc0d6b725c7727fb2.tar.bz2 | |
Merge commit 'kumar/next' into next
Conflicts:
	arch/powerpc/sysdev/fsl_msi.c
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/Kconfig | 2 | ||||
| -rw-r--r-- | arch/powerpc/boot/dts/mpc8548cds.dts | 4 | ||||
| -rw-r--r-- | arch/powerpc/boot/dts/mpc8572ds_camp_core0.dts | 15 | ||||
| -rw-r--r-- | arch/powerpc/boot/dts/mpc8572ds_camp_core1.dts | 7 | ||||
| -rw-r--r-- | arch/powerpc/boot/dts/p1021mds.dts | 698 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/cputable.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/kexec.h | 13 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/reg_booke.h | 33 | ||||
| -rw-r--r-- | arch/powerpc/kernel/Makefile | 8 | ||||
| -rw-r--r-- | arch/powerpc/kernel/cputable.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/crash.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/fsl_booke_entry_mapping.S | 237 | ||||
| -rw-r--r-- | arch/powerpc/kernel/head_fsl_booke.S | 200 | ||||
| -rw-r--r-- | arch/powerpc/kernel/misc_32.S | 17 | ||||
| -rw-r--r-- | arch/powerpc/kernel/swsusp_booke.S | 193 | ||||
| -rw-r--r-- | arch/powerpc/kernel/traps.c | 88 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/mpc85xx_mds.c | 102 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/fsl_msi.c | 117 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/fsl_msi.h | 3 | 
19 files changed, 1494 insertions, 250 deletions
| diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 66a315e06dce..328774bd41ee 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -351,7 +351,7 @@ config ARCH_ENABLE_MEMORY_HOTREMOVE  config KEXEC  	bool "kexec system call (EXPERIMENTAL)" -	depends on PPC_BOOK3S && EXPERIMENTAL +	depends on (PPC_BOOK3S || (FSL_BOOKE && !SMP)) && EXPERIMENTAL  	help  	  kexec is a system call that implements the ability to shutdown your  	  current kernel, and to start another kernel.  It is like a reboot diff --git a/arch/powerpc/boot/dts/mpc8548cds.dts b/arch/powerpc/boot/dts/mpc8548cds.dts index 4173af387c63..0f5262452682 100644 --- a/arch/powerpc/boot/dts/mpc8548cds.dts +++ b/arch/powerpc/boot/dts/mpc8548cds.dts @@ -20,10 +20,8 @@  	aliases {  		ethernet0 = &enet0;  		ethernet1 = &enet1; -/*  		ethernet2 = &enet2;  		ethernet3 = &enet3; -*/  		serial0 = &serial0;  		serial1 = &serial1;  		pci0 = &pci0; @@ -254,7 +252,6 @@  			};  		}; -/* eTSEC 3/4 are currently broken  		enet2: ethernet@26000 {  			#address-cells = <1>;  			#size-cells = <1>; @@ -310,7 +307,6 @@  				};  			};  		}; - */  		serial0: serial@4500 {  			cell-index = <0>; diff --git a/arch/powerpc/boot/dts/mpc8572ds_camp_core0.dts b/arch/powerpc/boot/dts/mpc8572ds_camp_core0.dts index 5bd1011fde96..3375c2ab0c32 100644 --- a/arch/powerpc/boot/dts/mpc8572ds_camp_core0.dts +++ b/arch/powerpc/boot/dts/mpc8572ds_camp_core0.dts @@ -215,6 +215,18 @@  			clock-frequency = <0>;  		}; +		msi@41600 { +			compatible = "fsl,mpc8572-msi", "fsl,mpic-msi"; +			reg = <0x41600 0x80>; +			msi-available-ranges = <0 0x80>; +			interrupts = < +				0xe0 0 +				0xe1 0 +				0xe2 0 +				0xe3 0>; +			interrupt-parent = <&mpic>; +		}; +  		global-utilities@e0000 {	//global utilities block  			compatible = "fsl,mpc8572-guts";  			reg = <0xe0000 0x1000>; @@ -243,8 +255,7 @@  			protected-sources = <  			31 32 33 37 38 39       /* enet2 enet3 */  			76 77 78 79 26 42	/* dma2 pci2 serial*/ -			0xe0 0xe1 0xe2 0xe3     /* msi */ -			0xe4 0xe5 0xe6 0xe7 +			0xe4 0xe5 0xe6 0xe7	/* msi */  			>;  		};  	}; diff --git a/arch/powerpc/boot/dts/mpc8572ds_camp_core1.dts b/arch/powerpc/boot/dts/mpc8572ds_camp_core1.dts index 0efc3456e297..e7b477f6a3fe 100644 --- a/arch/powerpc/boot/dts/mpc8572ds_camp_core1.dts +++ b/arch/powerpc/boot/dts/mpc8572ds_camp_core1.dts @@ -154,12 +154,8 @@  		msi@41600 {  			compatible = "fsl,mpc8572-msi", "fsl,mpic-msi";  			reg = <0x41600 0x80>; -			msi-available-ranges = <0 0x100>; +			msi-available-ranges = <0x80 0x80>;  			interrupts = < -				0xe0 0 -				0xe1 0 -				0xe2 0 -				0xe3 0  				0xe4 0  				0xe5 0  				0xe6 0 @@ -190,6 +186,7 @@  			0x1 0x2 0x3 0x4         /* pci slot */  			0x9 0xa 0xb 0xc         /* usb */  			0x6 0x7 0xe 0x5         /* Audio elgacy SATA */ +			0xe0 0xe1 0xe2 0xe3	/* msi */  			>;  		};  	}; diff --git a/arch/powerpc/boot/dts/p1021mds.dts b/arch/powerpc/boot/dts/p1021mds.dts new file mode 100644 index 000000000000..7fad2df25981 --- /dev/null +++ b/arch/powerpc/boot/dts/p1021mds.dts @@ -0,0 +1,698 @@ +/* + * P1021 MDS Device Tree Source + * + * Copyright 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. + */ + +/dts-v1/; +/ { +	model = "fsl,P1021"; +	compatible = "fsl,P1021MDS"; +	#address-cells = <2>; +	#size-cells = <2>; + +	aliases { +		serial0 = &serial0; +		serial1 = &serial1; +		ethernet0 = &enet0; +		ethernet1 = &enet1; +		ethernet2 = &enet2; +		ethernet3 = &enet3; +		ethernet4 = &enet4; +		pci0 = &pci0; +		pci1 = &pci1; +	}; + +	cpus { +		#address-cells = <1>; +		#size-cells = <0>; + +		PowerPC,P1021@0 { +			device_type = "cpu"; +			reg = <0x0>; +			next-level-cache = <&L2>; +		}; + +		PowerPC,P1021@1 { +			device_type = "cpu"; +			reg = <0x1>; +			next-level-cache = <&L2>; +		}; +	}; + +	memory { +		device_type = "memory"; +	}; + +	localbus@ffe05000 { +		#address-cells = <2>; +		#size-cells = <1>; +		compatible = "fsl,p1021-elbc", "fsl,elbc", "simple-bus"; +		reg = <0 0xffe05000 0 0x1000>; +		interrupts = <19 2>; +		interrupt-parent = <&mpic>; + +		/* NAND Flash, BCSR, PMC0/1*/ +		ranges = <0x0 0x0 0x0 0xfc000000 0x02000000 +			  0x1 0x0 0x0 0xf8000000 0x00008000 +			  0x2 0x0 0x0 0xf8010000 0x00020000 +			  0x3 0x0 0x0 0xf8020000 0x00020000>; + +		nand@0,0 { +			#address-cells = <1>; +			#size-cells = <1>; +			compatible = "fsl,p1021-fcm-nand", +				     "fsl,elbc-fcm-nand"; +			reg = <0x0 0x0 0x40000>; + +			partition@0 { +				/* This location must not be altered  */ +				/* 1MB for u-boot Bootloader Image */ +				reg = <0x0 0x00100000>; +				label = "NAND (RO) U-Boot Image"; +				read-only; +			}; + +			partition@100000 { +				/* 1MB for DTB Image */ +				reg = <0x00100000 0x00100000>; +				label = "NAND (RO) DTB Image"; +				read-only; +			}; + +			partition@200000 { +				/* 4MB for Linux Kernel Image */ +				reg = <0x00200000 0x00400000>; +				label = "NAND (RO) Linux Kernel Image"; +				read-only; +			}; + +			partition@600000 { +				/* 5MB for Compressed Root file System Image */ +				reg = <0x00600000 0x00500000>; +				label = "NAND (RO) Compressed RFS Image"; +				read-only; +			}; + +			partition@b00000 { +				/* 6MB for JFFS2 based Root file System */ +				reg = <0x00a00000 0x00600000>; +				label = "NAND (RW) JFFS2 Root File System"; +			}; + +			partition@1100000 { +				/* 14MB for JFFS2 based Root file System */ +				reg = <0x01100000 0x00e00000>; +				label = "NAND (RW) Writable User area"; +			}; + +			partition@1f00000 { +				/* 1MB for microcode */ +				reg = <0x01f00000 0x00100000>; +				label = "NAND (RO) QE Ucode"; +				read-only; +			}; +		}; + +		bcsr@1,0 { +			#address-cells = <1>; +			#size-cells = <1>; +			compatible = "fsl,p1021mds-bcsr"; +			reg = <1 0 0x8000>; +			ranges = <0 1 0 0x8000>; +		}; + +		pib@2,0 { +			compatible = "fsl,p1021mds-pib"; +			reg = <2 0 0x10000>; +		}; + +		pib@3,0 { +			compatible = "fsl,p1021mds-pib"; +			reg = <3 0 0x10000>; +		}; +	}; + +	soc@ffe00000 { + +		#address-cells = <1>; +		#size-cells = <1>; +		device_type = "soc"; +		compatible = "fsl,p1021-immr", "simple-bus"; +		ranges = <0x0  0x0 0xffe00000 0x100000>; +		bus-frequency = <0>;		// Filled out by uboot. + +		ecm-law@0 { +			compatible = "fsl,ecm-law"; +			reg = <0x0 0x1000>; +			fsl,num-laws = <12>; +		}; + +		ecm@1000 { +			compatible = "fsl,p1021-ecm", "fsl,ecm"; +			reg = <0x1000 0x1000>; +			interrupts = <16 2>; +			interrupt-parent = <&mpic>; +		}; + +		memory-controller@2000 { +			compatible = "fsl,p1021-memory-controller"; +			reg = <0x2000 0x1000>; +			interrupt-parent = <&mpic>; +			interrupts = <16 2>; +		}; + +		i2c@3000 { +			#address-cells = <1>; +			#size-cells = <0>; +			cell-index = <0>; +			compatible = "fsl-i2c"; +			reg = <0x3000 0x100>; +			interrupts = <43 2>; +			interrupt-parent = <&mpic>; +			dfsrr; +			rtc@68 { +				compatible = "dallas,ds1374"; +				reg = <0x68>; +			}; +		}; + +		i2c@3100 { +			#address-cells = <1>; +			#size-cells = <0>; +			cell-index = <1>; +			compatible = "fsl-i2c"; +			reg = <0x3100 0x100>; +			interrupts = <43 2>; +			interrupt-parent = <&mpic>; +			dfsrr; +		}; + +		serial0: serial@4500 { +			cell-index = <0>; +			device_type = "serial"; +			compatible = "ns16550"; +			reg = <0x4500 0x100>; +			clock-frequency = <0>; +			interrupts = <42 2>; +			interrupt-parent = <&mpic>; +		}; + +		serial1: serial@4600 { +			cell-index = <1>; +			device_type = "serial"; +			compatible = "ns16550"; +			reg = <0x4600 0x100>; +			clock-frequency = <0>; +			interrupts = <42 2>; +			interrupt-parent = <&mpic>; +		}; + +		spi@7000 { +			cell-index = <0>; +			#address-cells = <1>; +			#size-cells = <0>; +			compatible = "fsl,espi"; +			reg = <0x7000 0x1000>; +			interrupts = <59 0x2>; +			interrupt-parent = <&mpic>; +			espi,num-ss-bits = <4>; +			mode = "cpu"; + +			fsl_m25p80@0 { +				#address-cells = <1>; +				#size-cells = <1>; +				compatible = "fsl,espi-flash"; +				reg = <0>; +				linux,modalias = "fsl_m25p80"; +				spi-max-frequency = <40000000>; /* input clock */ +				partition@u-boot { +					label = "u-boot-spi"; +					reg = <0x00000000 0x00100000>; +					read-only; +				}; +				partition@kernel { +					label = "kernel-spi"; +					reg = <0x00100000 0x00500000>; +					read-only; +				}; +				partition@dtb { +					label = "dtb-spi"; +					reg = <0x00600000 0x00100000>; +					read-only; +				}; +				partition@fs { +					label = "file system-spi"; +					reg = <0x00700000 0x00900000>; +				}; +			}; +		}; + +		gpio: gpio-controller@f000 { +			#gpio-cells = <2>; +			compatible = "fsl,mpc8572-gpio"; +			reg = <0xf000 0x100>; +			interrupts = <47 0x2>; +			interrupt-parent = <&mpic>; +			gpio-controller; +		}; + +		L2: l2-cache-controller@20000 { +			compatible = "fsl,p1021-l2-cache-controller"; +			reg = <0x20000 0x1000>; +			cache-line-size = <32>;	// 32 bytes +			cache-size = <0x40000>; // L2,256K +			interrupt-parent = <&mpic>; +			interrupts = <16 2>; +		}; + +		dma@21300 { +			#address-cells = <1>; +			#size-cells = <1>; +			compatible = "fsl,eloplus-dma"; +			reg = <0x21300 0x4>; +			ranges = <0x0 0x21100 0x200>; +			cell-index = <0>; +			dma-channel@0 { +				compatible = "fsl,eloplus-dma-channel"; +				reg = <0x0 0x80>; +				cell-index = <0>; +				interrupt-parent = <&mpic>; +				interrupts = <20 2>; +			}; +			dma-channel@80 { +				compatible = "fsl,eloplus-dma-channel"; +				reg = <0x80 0x80>; +				cell-index = <1>; +				interrupt-parent = <&mpic>; +				interrupts = <21 2>; +			}; +			dma-channel@100 { +				compatible = "fsl,eloplus-dma-channel"; +				reg = <0x100 0x80>; +				cell-index = <2>; +				interrupt-parent = <&mpic>; +				interrupts = <22 2>; +			}; +			dma-channel@180 { +				compatible = "fsl,eloplus-dma-channel"; +				reg = <0x180 0x80>; +				cell-index = <3>; +				interrupt-parent = <&mpic>; +				interrupts = <23 2>; +			}; +		}; + +		usb@22000 { +			#address-cells = <1>; +			#size-cells = <0>; +			compatible = "fsl-usb2-dr"; +			reg = <0x22000 0x1000>; +			interrupt-parent = <&mpic>; +			interrupts = <28 0x2>; +			phy_type = "ulpi"; +		}; + +		 mdio@24000 { +			#address-cells = <1>; +			#size-cells = <0>; +			compatible = "fsl,etsec2-mdio"; +			reg = <0x24000 0x1000 0xb0030 0x4>; + +			phy0: ethernet-phy@0 { +				interrupt-parent = <&mpic>; +				interrupts = <1 1>; +				reg = <0x0>; +			}; +			phy1: ethernet-phy@1 { +				interrupt-parent = <&mpic>; +				interrupts = <2 1>; +				reg = <0x1>; +			}; +			phy4: ethernet-phy@4 { +				interrupt-parent = <&mpic>; +				reg = <0x4>; +			}; +		}; + +		mdio@25000 { +			#address-cells = <1>; +			#size-cells = <0>; +			compatible = "fsl,etsec2-tbi"; +			reg = <0x25000 0x1000 0xb1030 0x4>; +			tbi0: tbi-phy@11 { +				reg = <0x11>; +				device_type = "tbi-phy"; +			}; +		}; + +		enet0: ethernet@B0000 { +			#address-cells = <1>; +			#size-cells = <1>; +			cell-index = <0>; +			device_type = "network"; +			model = "eTSEC"; +			compatible = "fsl,etsec2"; +			fsl,num_rx_queues = <0x8>; +			fsl,num_tx_queues = <0x8>; +			local-mac-address = [ 00 00 00 00 00 00 ]; +			interrupt-parent = <&mpic>; +			phy-handle = <&phy0>; +			phy-connection-type = "rgmii-id"; +			queue-group@0{ +				#address-cells = <1>; +				#size-cells = <1>; +				reg = <0xB0000 0x1000>; +				interrupts = <29 2 30 2 34 2>; +			}; +			queue-group@1{ +				#address-cells = <1>; +				#size-cells = <1>; +				reg = <0xB4000 0x1000>; +				interrupts = <17 2 18 2 24 2>; +			}; +		}; + +		enet1: ethernet@B1000 { +			#address-cells = <1>; +			#size-cells = <1>; +			cell-index = <0>; +			device_type = "network"; +			model = "eTSEC"; +			compatible = "fsl,etsec2"; +			fsl,num_rx_queues = <0x8>; +			fsl,num_tx_queues = <0x8>; +			local-mac-address = [ 00 00 00 00 00 00 ]; +			interrupt-parent = <&mpic>; +			phy-handle = <&phy4>; +			tbi-handle = <&tbi0>; +			phy-connection-type = "sgmii"; +			queue-group@0{ +				#address-cells = <1>; +				#size-cells = <1>; +				reg = <0xB1000 0x1000>; +				interrupts = <35 2 36 2 40 2>; +			}; +			queue-group@1{ +				#address-cells = <1>; +				#size-cells = <1>; +				reg = <0xB5000 0x1000>; +				interrupts = <51 2 52 2 67 2>; +			}; +		}; + +		enet2: ethernet@B2000 { +			#address-cells = <1>; +			#size-cells = <1>; +			cell-index = <0>; +			device_type = "network"; +			model = "eTSEC"; +			compatible = "fsl,etsec2"; +			fsl,num_rx_queues = <0x8>; +			fsl,num_tx_queues = <0x8>; +			local-mac-address = [ 00 00 00 00 00 00 ]; +			interrupt-parent = <&mpic>; +			phy-handle = <&phy1>; +			phy-connection-type = "rgmii-id"; +			queue-group@0{ +				#address-cells = <1>; +				#size-cells = <1>; +				reg = <0xB2000 0x1000>; +				interrupts = <31 2 32 2 33 2>; +			}; +			queue-group@1{ +				#address-cells = <1>; +				#size-cells = <1>; +				reg = <0xB6000 0x1000>; +				interrupts = <25 2 26 2 27 2>; +			}; +		}; + +		sdhci@2e000 { +			compatible = "fsl,p1021-esdhc", "fsl,esdhc"; +			reg = <0x2e000 0x1000>; +			interrupts = <72 0x2>; +			interrupt-parent = <&mpic>; +			/* Filled in by U-Boot */ +			clock-frequency = <0>; +		}; + +		crypto@30000 { +			compatible = "fsl,sec3.3", "fsl,sec3.1", +				     "fsl,sec3.0", "fsl,sec2.4", +				     "fsl,sec2.2", "fsl,sec2.1", "fsl,sec2.0"; +			reg = <0x30000 0x10000>; +			interrupts = <45 2 58 2>; +			interrupt-parent = <&mpic>; +			fsl,num-channels = <4>; +			fsl,channel-fifo-len = <24>; +			fsl,exec-units-mask = <0x97c>; +			fsl,descriptor-types-mask = <0x3a30abf>; +		}; + +		mpic: pic@40000 { +			interrupt-controller; +			#address-cells = <0>; +			#interrupt-cells = <2>; +			reg = <0x40000 0x40000>; +			compatible = "chrp,open-pic"; +			device_type = "open-pic"; +		}; + +		msi@41600 { +			compatible = "fsl,p1021-msi", "fsl,mpic-msi"; +			reg = <0x41600 0x80>; +			msi-available-ranges = <0 0x100>; +			interrupts = < +				0xe0 0 +				0xe1 0 +				0xe2 0 +				0xe3 0 +				0xe4 0 +				0xe5 0 +				0xe6 0 +				0xe7 0>; +			interrupt-parent = <&mpic>; +		}; + +		global-utilities@e0000 {	//global utilities block +			compatible = "fsl,p1021-guts"; +			reg = <0xe0000 0x1000>; +			fsl,has-rstcr; +		}; + +		par_io@e0100 { +			#address-cells = <1>; +			#size-cells = <1>; +			reg = <0xe0100 0x60>; +			ranges = <0x0 0xe0100 0x60>; +			device_type = "par_io"; +			num-ports = <3>; +			pio1: ucc_pin@01 { +				pio-map = < +			/* port  pin  dir  open_drain  assignment  has_irq */ +					0x1  0x13 0x1  0x0  0x1  0x0    /* QE_MUX_MDC */ +					0x1  0x14 0x3  0x0  0x1  0x0    /* QE_MUX_MDIO */ +					0x0  0x17 0x2  0x0  0x2  0x0    /* CLK12 */ +					0x0  0x18 0x2  0x0  0x1  0x0    /* CLK9 +*/ +					0x0  0x7  0x1  0x0  0x2  0x0    /* ENET1_TXD0_SER1_TXD0 */ +					0x0  0x9  0x1  0x0  0x2  0x0    /* ENET1_TXD1_SER1_TXD1 */ +					0x0  0xb  0x1  0x0  0x2  0x0    /* ENET1_TXD2_SER1_TXD2 */ +					0x0  0xc  0x1  0x0  0x2  0x0    /* ENET1_TXD3_SER1_TXD3 */ +					0x0  0x6  0x2  0x0  0x2  0x0    /* ENET1_RXD0_SER1_RXD0 */ +					0x0  0xa  0x2  0x0  0x2  0x0    /* ENET1_RXD1_SER1_RXD1 */ +					0x0  0xe  0x2  0x0  0x2  0x0    /* ENET1_RXD2_SER1_RXD2 */ +					0x0  0xf  0x2  0x0  0x2  0x0    /* ENET1_RXD3_SER1_RXD3 */ +					0x0  0x5  0x1  0x0  0x2  0x0    /* ENET1_TX_EN_SER1_RTS_B */ +					0x0  0xd  0x1  0x0  0x2  0x0    /* ENET1_TX_ER */ +					0x0  0x4  0x2  0x0  0x2  0x0    /* ENET1_RX_DV_SER1_CTS_B */ +					0x0  0x8  0x2  0x0  0x2  0x0    /* ENET1_RX_ER_SER1_CD_B */ +					0x0  0x11 0x2  0x0  0x2  0x0    /* ENET1_CRS */ +					0x0  0x10 0x2  0x0  0x2  0x0>;    /* ENET1_COL */ +			}; + +			pio2: ucc_pin@02 { +				pio-map = < +			/* port  pin  dir  open_drain  assignment  has_irq */ +					0x1  0x13 0x1  0x0  0x1  0x0    /* QE_MUX_MDC */ +					0x1  0x14 0x3  0x0  0x1  0x0    /* QE_MUX_MDIO */ +					0x1  0xb  0x2  0x0  0x1  0x0    /* CLK13 */ +					0x1  0x7  0x1  0x0  0x2  0x0    /* ENET5_TXD0_SER5_TXD0 */ +					0x1  0xa  0x1  0x0  0x2  0x0    /* ENET5_TXD1_SER5_TXD1 */ +					0x1  0x6  0x2  0x0  0x2  0x0    /* ENET5_RXD0_SER5_RXD0 */ +					0x1  0x9  0x2  0x0  0x2  0x0    /* ENET5_RXD1_SER5_RXD1 */ +					0x1  0x5  0x1  0x0  0x2  0x0    /* ENET5_TX_EN_SER5_RTS_B */ +					0x1  0x4  0x2  0x0  0x2  0x0    /* ENET5_RX_DV_SER5_CTS_B */ +					0x1  0x8  0x2  0x0  0x2  0x0>;    /* ENET5_RX_ER_SER5_CD_B */ +			}; +		}; +	}; + +	pci0: pcie@ffe09000 { +		compatible = "fsl,mpc8548-pcie"; +		device_type = "pci"; +		#interrupt-cells = <1>; +		#size-cells = <2>; +		#address-cells = <3>; +		reg = <0 0xffe09000 0 0x1000>; +		bus-range = <0 255>; +		ranges = <0x2000000 0x0 0xa0000000 0 0xa0000000 0x0 0x20000000 +			  0x1000000 0x0 0x00000000 0 0xffc10000 0x0 0x10000>; +		clock-frequency = <33333333>; +		interrupt-parent = <&mpic>; +		interrupts = <16 2>; +		interrupt-map-mask = <0xf800 0 0 7>; +		interrupt-map = < +			/* IDSEL 0x0 */ +			0000 0 0 1 &mpic 4 1 +			0000 0 0 2 &mpic 5 1 +			0000 0 0 3 &mpic 6 1 +			0000 0 0 4 &mpic 7 1 +			>; +		pcie@0 { +			reg = <0x0 0x0 0x0 0x0 0x0>; +			#size-cells = <2>; +			#address-cells = <3>; +			device_type = "pci"; +			ranges = <0x2000000 0x0 0xa0000000 +				  0x2000000 0x0 0xa0000000 +				  0x0 0x20000000 + +				  0x1000000 0x0 0x0 +				  0x1000000 0x0 0x0 +				  0x0 0x100000>; +		}; +	}; + +	pci1: pcie@ffe0a000 { +		compatible = "fsl,mpc8548-pcie"; +		device_type = "pci"; +		#interrupt-cells = <1>; +		#size-cells = <2>; +		#address-cells = <3>; +		reg = <0 0xffe0a000 0 0x1000>; +		bus-range = <0 255>; +		ranges = <0x2000000 0x0 0xc0000000 0 0xc0000000 0x0 0x20000000 +			  0x1000000 0x0 0x00000000 0 0xffc20000 0x0 0x10000>; +		clock-frequency = <33333333>; +		interrupt-parent = <&mpic>; +		interrupts = <16 2>; +		interrupt-map-mask = <0xf800 0 0 7>; +		interrupt-map = < +			/* IDSEL 0x0 */ +			0000 0 0 1 &mpic 0 1 +			0000 0 0 2 &mpic 1 1 +			0000 0 0 3 &mpic 2 1 +			0000 0 0 4 &mpic 3 1 +			>; +		pcie@0 { +			reg = <0x0 0x0 0x0 0x0 0x0>; +			#size-cells = <2>; +			#address-cells = <3>; +			device_type = "pci"; +			ranges = <0x2000000 0x0 0xc0000000 +				  0x2000000 0x0 0xc0000000 +				  0x0 0x20000000 + +				  0x1000000 0x0 0x0 +				  0x1000000 0x0 0x0 +				  0x0 0x100000>; +		}; +	}; + +	qe@ffe80000 { +		#address-cells = <1>; +		#size-cells = <1>; +		device_type = "qe"; +		compatible = "fsl,qe"; +		ranges = <0x0 0x0 0xffe80000 0x40000>; +		reg = <0 0xffe80000 0 0x480>; +		brg-frequency = <0>; +		bus-frequency = <0>; +		fsl,qe-num-riscs = <1>; +		fsl,qe-num-snums = <28>; + +		qeic: interrupt-controller@80 { +			interrupt-controller; +			compatible = "fsl,qe-ic"; +			#address-cells = <0>; +			#interrupt-cells = <1>; +			reg = <0x80 0x80>; +			interrupts = <63 2 60 2>; //high:47 low:44 +			interrupt-parent = <&mpic>; +		}; + +		enet3: ucc@2000 { +			device_type = "network"; +			compatible = "ucc_geth"; +			cell-index = <1>; +			reg = <0x2000 0x200>; +			interrupts = <32>; +			interrupt-parent = <&qeic>; +			local-mac-address = [ 00 00 00 00 00 00 ]; +			rx-clock-name = "clk12"; +			tx-clock-name = "clk9"; +			pio-handle = <&pio1>; +			phy-handle = <&qe_phy0>; +			phy-connection-type = "mii"; +		}; + +		mdio@2120 { +			#address-cells = <1>; +			#size-cells = <0>; +			reg = <0x2120 0x18>; +			compatible = "fsl,ucc-mdio"; + +			qe_phy0: ethernet-phy@0 { +				interrupt-parent = <&mpic>; +				interrupts = <4 1>; +				reg = <0x0>; +				device_type = "ethernet-phy"; +			}; +			qe_phy1: ethernet-phy@03 { +				interrupt-parent = <&mpic>; +				interrupts = <5 1>; +				reg = <0x3>; +				device_type = "ethernet-phy"; +			}; +			tbi-phy@11 { +				reg = <0x11>; +				device_type = "tbi-phy"; +			}; +		}; + +		enet4: ucc@2400 { +			device_type = "network"; +			compatible = "ucc_geth"; +			cell-index = <5>; +			reg = <0x2400 0x200>; +			interrupts = <40>; +			interrupt-parent = <&qeic>; +			local-mac-address = [ 00 00 00 00 00 00 ]; +			rx-clock-name = "none"; +			tx-clock-name = "clk13"; +			pio-handle = <&pio2>; +			phy-handle = <&qe_phy1>; +			phy-connection-type = "rmii"; +		}; + +		muram@10000 { +			#address-cells = <1>; +			#size-cells = <1>; +			compatible = "fsl,qe-muram", "fsl,cpm-muram"; +			ranges = <0x0 0x10000 0x6000>; + +			data-only@0 { +				compatible = "fsl,qe-muram-data", +				"fsl,cpm-muram-data"; +				reg = <0x0 0x6000>; +			}; +		}; +	}; +}; diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index e3cba4e1eb34..b0b21134f61a 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -70,6 +70,7 @@ struct pt_regs;  extern int machine_check_generic(struct pt_regs *regs);  extern int machine_check_4xx(struct pt_regs *regs);  extern int machine_check_440A(struct pt_regs *regs); +extern int machine_check_e500mc(struct pt_regs *regs);  extern int machine_check_e500(struct pt_regs *regs);  extern int machine_check_e200(struct pt_regs *regs);  extern int machine_check_47x(struct pt_regs *regs); diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h index a6ca6da1430b..2a9cd74a841e 100644 --- a/arch/powerpc/include/asm/kexec.h +++ b/arch/powerpc/include/asm/kexec.h @@ -2,6 +2,18 @@  #define _ASM_POWERPC_KEXEC_H  #ifdef __KERNEL__ +#ifdef CONFIG_FSL_BOOKE + +/* + * On FSL-BookE we setup a 1:1 mapping which covers the first 2GiB of memory + * and therefore we can only deal with memory within this range + */ +#define KEXEC_SOURCE_MEMORY_LIMIT	(2 * 1024 * 1024 * 1024UL) +#define KEXEC_DESTINATION_MEMORY_LIMIT	(2 * 1024 * 1024 * 1024UL) +#define KEXEC_CONTROL_MEMORY_LIMIT	(2 * 1024 * 1024 * 1024UL) + +#else +  /*   * Maximum page that is mapped directly into kernel memory.   * XXX: Since we copy virt we can use any page we allocate @@ -21,6 +33,7 @@  /* TASK_SIZE, probably left over from use_mm ?? */  #define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE  #endif +#endif  #define KEXEC_CONTROL_PAGE_SIZE 4096 diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h index 5304a37ba425..2360317179a9 100644 --- a/arch/powerpc/include/asm/reg_booke.h +++ b/arch/powerpc/include/asm/reg_booke.h @@ -4,6 +4,12 @@   * are not true Book E PowerPCs, they borrowed a number of features   * before Book E was finalized, and are included here as well.  Unfortunatly,   * they sometimes used different locations than true Book E CPUs did. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * Copyright 2009-2010 Freescale Semiconductor, Inc.   */  #ifdef __KERNEL__  #ifndef __ASM_POWERPC_REG_BOOKE_H__ @@ -88,6 +94,7 @@  #define SPRN_IVOR35	0x213	/* Interrupt Vector Offset Register 35 */  #define SPRN_IVOR36	0x214	/* Interrupt Vector Offset Register 36 */  #define SPRN_IVOR37	0x215	/* Interrupt Vector Offset Register 37 */ +#define SPRN_MCARU	0x239	/* Machine Check Address Register Upper */  #define SPRN_MCSRR0	0x23A	/* Machine Check Save and Restore Register 0 */  #define SPRN_MCSRR1	0x23B	/* Machine Check Save and Restore Register 1 */  #define SPRN_MCSR	0x23C	/* Machine Check Status Register */ @@ -196,8 +203,11 @@  #define PPC47x_MCSR_IPR	0x00400000 /* Imprecise Machine Check Exception */  #ifdef CONFIG_E500 +/* All e500 */  #define MCSR_MCP 	0x80000000UL /* Machine Check Input Pin */  #define MCSR_ICPERR 	0x40000000UL /* I-Cache Parity Error */ + +/* e500v1/v2 */  #define MCSR_DCP_PERR 	0x20000000UL /* D-Cache Push Parity Error */  #define MCSR_DCPERR 	0x10000000UL /* D-Cache Parity Error */  #define MCSR_BUS_IAERR 	0x00000080UL /* Instruction Address Error */ @@ -209,12 +219,20 @@  #define MCSR_BUS_IPERR 	0x00000002UL /* Instruction parity Error */  #define MCSR_BUS_RPERR 	0x00000001UL /* Read parity Error */ -/* e500 parts may set unused bits in MCSR; mask these off */ -#define MCSR_MASK	(MCSR_MCP | MCSR_ICPERR | MCSR_DCP_PERR | \ -			MCSR_DCPERR | MCSR_BUS_IAERR | MCSR_BUS_RAERR | \ -			MCSR_BUS_WAERR | MCSR_BUS_IBERR | MCSR_BUS_RBERR | \ -			MCSR_BUS_WBERR | MCSR_BUS_IPERR | MCSR_BUS_RPERR) +/* e500mc */ +#define MCSR_DCPERR_MC	0x20000000UL /* D-Cache Parity Error */ +#define MCSR_L2MMU_MHIT	0x04000000UL /* Hit on multiple TLB entries */ +#define MCSR_NMI	0x00100000UL /* Non-Maskable Interrupt */ +#define MCSR_MAV	0x00080000UL /* MCAR address valid */ +#define MCSR_MEA	0x00040000UL /* MCAR is effective address */ +#define MCSR_IF		0x00010000UL /* Instruction Fetch */ +#define MCSR_LD		0x00008000UL /* Load */ +#define MCSR_ST		0x00004000UL /* Store */ +#define MCSR_LDG	0x00002000UL /* Guarded Load */ +#define MCSR_TLBSYNC	0x00000002UL /* Multiple tlbsyncs detected */ +#define MCSR_BSL2_ERR	0x00000001UL /* Backside L2 cache error */  #endif +  #ifdef CONFIG_E200  #define MCSR_MCP 	0x80000000UL /* Machine Check Input Pin */  #define MCSR_CP_PERR 	0x20000000UL /* Cache Push Parity Error */ @@ -225,11 +243,6 @@  #define MCSR_BUS_DRERR 	0x00000008UL /* Read Bus Error on data load */  #define MCSR_BUS_WRERR 	0x00000004UL /* Write Bus Error on buffered  					store or cache line push */ - -/* e200 parts may set unused bits in MCSR; mask these off */ -#define MCSR_MASK	(MCSR_MCP | MCSR_CP_PERR | MCSR_CPERR | \ -			MCSR_EXCP_ERR | MCSR_BUS_IRERR | MCSR_BUS_DRERR | \ -			MCSR_BUS_WRERR)  #endif  /* Bit definitions for the DBSR. */ diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 877326320e74..58d0572de6f9 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -57,8 +57,12 @@ obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o  obj-$(CONFIG_E500)		+= idle_e500.o  obj-$(CONFIG_6xx)		+= idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o  obj-$(CONFIG_TAU)		+= tau_6xx.o -obj-$(CONFIG_HIBERNATION)	+= swsusp.o suspend.o \ -				   swsusp_$(CONFIG_WORD_SIZE).o +obj-$(CONFIG_HIBERNATION)	+= swsusp.o suspend.o +ifeq ($(CONFIG_FSL_BOOKE),y) +obj-$(CONFIG_HIBERNATION)	+= swsusp_booke.o +else +obj-$(CONFIG_HIBERNATION)	+= swsusp_$(CONFIG_WORD_SIZE).o +endif  obj64-$(CONFIG_HIBERNATION)	+= swsusp_asm64.o  obj-$(CONFIG_MODULES)		+= module.o module_$(CONFIG_WORD_SIZE).o  obj-$(CONFIG_44x)		+= cpu_setup_44x.o diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 9556be903e96..87aa0f3c6047 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -1840,7 +1840,7 @@ static struct cpu_spec __initdata cpu_specs[] = {  		.oprofile_cpu_type	= "ppc/e500mc",  		.oprofile_type		= PPC_OPROFILE_FSL_EMB,  		.cpu_setup		= __setup_cpu_e500mc, -		.machine_check		= machine_check_e500, +		.machine_check		= machine_check_e500mc,  		.platform		= "ppce500mc",  	},  	{	/* default match */ diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c index 8c066d6a8e4b..b46f2e09bd81 100644 --- a/arch/powerpc/kernel/crash.c +++ b/arch/powerpc/kernel/crash.c @@ -163,6 +163,7 @@ static void crash_kexec_prepare_cpus(int cpu)  }  /* wait for all the CPUs to hit real mode but timeout if they don't come in */ +#ifdef CONFIG_PPC_STD_MMU_64  static void crash_kexec_wait_realmode(int cpu)  {  	unsigned int msecs; @@ -187,6 +188,7 @@ static void crash_kexec_wait_realmode(int cpu)  	}  	mb();  } +#endif  /*   * This function will be called by secondary cpus or by kexec cpu @@ -445,7 +447,9 @@ void default_machine_crash_shutdown(struct pt_regs *regs)  	crash_kexec_prepare_cpus(crashing_cpu);  	cpu_set(crashing_cpu, cpus_in_crash);  	crash_kexec_stop_spus(); +#ifdef CONFIG_PPC_STD_MMU_64  	crash_kexec_wait_realmode(crashing_cpu); +#endif  	if (ppc_md.kexec_cpu_down)  		ppc_md.kexec_cpu_down(1, 0);  } diff --git a/arch/powerpc/kernel/fsl_booke_entry_mapping.S b/arch/powerpc/kernel/fsl_booke_entry_mapping.S new file mode 100644 index 000000000000..beb4d78a2304 --- /dev/null +++ b/arch/powerpc/kernel/fsl_booke_entry_mapping.S @@ -0,0 +1,237 @@ + +/* 1. Find the index of the entry we're executing in */ +	bl	invstr				/* Find our address */ +invstr:	mflr	r6				/* Make it accessible */ +	mfmsr	r7 +	rlwinm	r4,r7,27,31,31			/* extract MSR[IS] */ +	mfspr	r7, SPRN_PID0 +	slwi	r7,r7,16 +	or	r7,r7,r4 +	mtspr	SPRN_MAS6,r7 +	tlbsx	0,r6				/* search MSR[IS], SPID=PID0 */ +	mfspr	r7,SPRN_MAS1 +	andis.	r7,r7,MAS1_VALID@h +	bne	match_TLB + +	mfspr	r7,SPRN_MMUCFG +	rlwinm	r7,r7,21,28,31			/* extract MMUCFG[NPIDS] */ +	cmpwi	r7,3 +	bne	match_TLB			/* skip if NPIDS != 3 */ + +	mfspr	r7,SPRN_PID1 +	slwi	r7,r7,16 +	or	r7,r7,r4 +	mtspr	SPRN_MAS6,r7 +	tlbsx	0,r6				/* search MSR[IS], SPID=PID1 */ +	mfspr	r7,SPRN_MAS1 +	andis.	r7,r7,MAS1_VALID@h +	bne	match_TLB +	mfspr	r7, SPRN_PID2 +	slwi	r7,r7,16 +	or	r7,r7,r4 +	mtspr	SPRN_MAS6,r7 +	tlbsx	0,r6				/* Fall through, we had to match */ + +match_TLB: +	mfspr	r7,SPRN_MAS0 +	rlwinm	r3,r7,16,20,31			/* Extract MAS0(Entry) */ + +	mfspr	r7,SPRN_MAS1			/* Insure IPROT set */ +	oris	r7,r7,MAS1_IPROT@h +	mtspr	SPRN_MAS1,r7 +	tlbwe + +/* 2. Invalidate all entries except the entry we're executing in */ +	mfspr	r9,SPRN_TLB1CFG +	andi.	r9,r9,0xfff +	li	r6,0				/* Set Entry counter to 0 */ +1:	lis	r7,0x1000			/* Set MAS0(TLBSEL) = 1 */ +	rlwimi	r7,r6,16,4,15			/* Setup MAS0 = TLBSEL | ESEL(r6) */ +	mtspr	SPRN_MAS0,r7 +	tlbre +	mfspr	r7,SPRN_MAS1 +	rlwinm	r7,r7,0,2,31			/* Clear MAS1 Valid and IPROT */ +	cmpw	r3,r6 +	beq	skpinv				/* Dont update the current execution TLB */ +	mtspr	SPRN_MAS1,r7 +	tlbwe +	isync +skpinv:	addi	r6,r6,1				/* Increment */ +	cmpw	r6,r9				/* Are we done? */ +	bne	1b				/* If not, repeat */ + +	/* Invalidate TLB0 */ +	li	r6,0x04 +	tlbivax 0,r6 +	TLBSYNC +	/* Invalidate TLB1 */ +	li	r6,0x0c +	tlbivax 0,r6 +	TLBSYNC + +/* 3. Setup a temp mapping and jump to it */ +	andi.	r5, r3, 0x1	/* Find an entry not used and is non-zero */ +	addi	r5, r5, 0x1 +	lis	r7,0x1000	/* Set MAS0(TLBSEL) = 1 */ +	rlwimi	r7,r3,16,4,15	/* Setup MAS0 = TLBSEL | ESEL(r3) */ +	mtspr	SPRN_MAS0,r7 +	tlbre + +	/* grab and fixup the RPN */ +	mfspr	r6,SPRN_MAS1	/* extract MAS1[SIZE] */ +	rlwinm	r6,r6,25,27,31 +	li	r8,-1 +	addi	r6,r6,10 +	slw	r6,r8,r6	/* convert to mask */ + +	bl	1f		/* Find our address */ +1:	mflr	r7 + +	mfspr	r8,SPRN_MAS3 +#ifdef CONFIG_PHYS_64BIT +	mfspr	r23,SPRN_MAS7 +#endif +	and	r8,r6,r8 +	subfic	r9,r6,-4096 +	and	r9,r9,r7 + +	or	r25,r8,r9 +	ori	r8,r25,(MAS3_SX|MAS3_SW|MAS3_SR) + +	/* Just modify the entry ID and EPN for the temp mapping */ +	lis	r7,0x1000	/* Set MAS0(TLBSEL) = 1 */ +	rlwimi	r7,r5,16,4,15	/* Setup MAS0 = TLBSEL | ESEL(r5) */ +	mtspr	SPRN_MAS0,r7 +	xori	r6,r4,1		/* Setup TMP mapping in the other Address space */ +	slwi	r6,r6,12 +	oris	r6,r6,(MAS1_VALID|MAS1_IPROT)@h +	ori	r6,r6,(MAS1_TSIZE(BOOK3E_PAGESZ_4K))@l +	mtspr	SPRN_MAS1,r6 +	mfspr	r6,SPRN_MAS2 +	li	r7,0		/* temp EPN = 0 */ +	rlwimi	r7,r6,0,20,31 +	mtspr	SPRN_MAS2,r7 +	mtspr	SPRN_MAS3,r8 +	tlbwe + +	xori	r6,r4,1 +	slwi	r6,r6,5		/* setup new context with other address space */ +	bl	1f		/* Find our address */ +1:	mflr	r9 +	rlwimi	r7,r9,0,20,31 +	addi	r7,r7,(2f - 1b) +	mtspr	SPRN_SRR0,r7 +	mtspr	SPRN_SRR1,r6 +	rfi +2: +/* 4. Clear out PIDs & Search info */ +	li	r6,0 +	mtspr   SPRN_MAS6,r6 +	mtspr	SPRN_PID0,r6 + +	mfspr	r7,SPRN_MMUCFG +	rlwinm	r7,r7,21,28,31			/* extract MMUCFG[NPIDS] */ +	cmpwi	r7,3 +	bne	2f				/* skip if NPIDS != 3 */ + +	mtspr	SPRN_PID1,r6 +	mtspr	SPRN_PID2,r6 + +/* 5. Invalidate mapping we started in */ +2: +	lis	r7,0x1000	/* Set MAS0(TLBSEL) = 1 */ +	rlwimi	r7,r3,16,4,15	/* Setup MAS0 = TLBSEL | ESEL(r3) */ +	mtspr	SPRN_MAS0,r7 +	tlbre +	mfspr	r6,SPRN_MAS1 +	rlwinm	r6,r6,0,2,0	/* clear IPROT */ +	mtspr	SPRN_MAS1,r6 +	tlbwe +	/* Invalidate TLB1 */ +	li	r9,0x0c +	tlbivax 0,r9 +	TLBSYNC + +/* The mapping only needs to be cache-coherent on SMP */ +#ifdef CONFIG_SMP +#define M_IF_SMP	MAS2_M +#else +#define M_IF_SMP	0 +#endif + +#if defined(ENTRY_MAPPING_BOOT_SETUP) + +/* 6. Setup KERNELBASE mapping in TLB1[0] */ +	lis	r6,0x1000		/* Set MAS0(TLBSEL) = TLB1(1), ESEL = 0 */ +	mtspr	SPRN_MAS0,r6 +	lis	r6,(MAS1_VALID|MAS1_IPROT)@h +	ori	r6,r6,(MAS1_TSIZE(BOOK3E_PAGESZ_64M))@l +	mtspr	SPRN_MAS1,r6 +	lis	r6,MAS2_VAL(PAGE_OFFSET, BOOK3E_PAGESZ_64M, M_IF_SMP)@h +	ori	r6,r6,MAS2_VAL(PAGE_OFFSET, BOOK3E_PAGESZ_64M, M_IF_SMP)@l +	mtspr	SPRN_MAS2,r6 +	mtspr	SPRN_MAS3,r8 +	tlbwe + +/* 7. Jump to KERNELBASE mapping */ +	lis	r6,(KERNELBASE & ~0xfff)@h +	ori	r6,r6,(KERNELBASE & ~0xfff)@l + +#elif defined(ENTRY_MAPPING_KEXEC_SETUP) +/* + * 6. Setup a 1:1 mapping in TLB1. Esel 0 is unsued, 1 or 2 contains the tmp + * mapping so we start at 3. We setup 8 mappings, each 256MiB in size. This + * will cover the first 2GiB of memory. + */ + +	lis r10, (MAS1_VALID|MAS1_IPROT)@h +	ori r10,r10, (MAS1_TSIZE(BOOK3E_PAGESZ_256M))@l +	li  r11, 0 +	li  r0, 8 +	mtctr   r0 + +next_tlb_setup: +	addi	r0, r11, 3 +	rlwinm  r0, r0, 16, 4, 15  // Compute esel +	rlwinm  r9, r11, 28, 0, 3   // Compute [ER]PN +	oris    r0, r0, (MAS0_TLBSEL(1))@h +	mtspr   SPRN_MAS0,r0 +	mtspr   SPRN_MAS1,r10 +	mtspr   SPRN_MAS2,r9 +	ori r9, r9, (MAS3_SX|MAS3_SW|MAS3_SR) +	mtspr   SPRN_MAS3,r9 +	tlbwe +	addi    r11, r11, 1 +	bdnz+   next_tlb_setup + +/* 7. Jump to our 1:1 mapping */ +	li	r6, 0 + +#else +	#error You need to specify the mapping or not use this at all. +#endif + +	lis	r7,MSR_KERNEL@h +	ori	r7,r7,MSR_KERNEL@l +	bl	1f			/* Find our address */ +1:	mflr	r9 +	rlwimi	r6,r9,0,20,31 +	addi	r6,r6,(2f - 1b) +	add	r6, r6, r25 +	mtspr	SPRN_SRR0,r6 +	mtspr	SPRN_SRR1,r7 +	rfi				/* start execution out of TLB1[0] entry */ + +/* 8. Clear out the temp mapping */ +2:	lis	r7,0x1000	/* Set MAS0(TLBSEL) = 1 */ +	rlwimi	r7,r5,16,4,15	/* Setup MAS0 = TLBSEL | ESEL(r5) */ +	mtspr	SPRN_MAS0,r7 +	tlbre +	mfspr	r8,SPRN_MAS1 +	rlwinm	r8,r8,0,2,0	/* clear IPROT */ +	mtspr	SPRN_MAS1,r8 +	tlbwe +	/* Invalidate TLB1 */ +	li	r9,0x0c +	tlbivax 0,r9 +	TLBSYNC diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index edd4a57fd29e..4faeba247854 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -94,204 +94,10 @@ _ENTRY(_start);   */  _ENTRY(__early_start) -/* 1. Find the index of the entry we're executing in */ -	bl	invstr				/* Find our address */ -invstr:	mflr	r6				/* Make it accessible */ -	mfmsr	r7 -	rlwinm	r4,r7,27,31,31			/* extract MSR[IS] */ -	mfspr	r7, SPRN_PID0 -	slwi	r7,r7,16 -	or	r7,r7,r4 -	mtspr	SPRN_MAS6,r7 -	tlbsx	0,r6				/* search MSR[IS], SPID=PID0 */ -	mfspr	r7,SPRN_MAS1 -	andis.	r7,r7,MAS1_VALID@h -	bne	match_TLB - -	mfspr	r7,SPRN_MMUCFG -	rlwinm	r7,r7,21,28,31			/* extract MMUCFG[NPIDS] */ -	cmpwi	r7,3 -	bne	match_TLB			/* skip if NPIDS != 3 */ - -	mfspr	r7,SPRN_PID1 -	slwi	r7,r7,16 -	or	r7,r7,r4 -	mtspr	SPRN_MAS6,r7 -	tlbsx	0,r6				/* search MSR[IS], SPID=PID1 */ -	mfspr	r7,SPRN_MAS1 -	andis.	r7,r7,MAS1_VALID@h -	bne	match_TLB -	mfspr	r7, SPRN_PID2 -	slwi	r7,r7,16 -	or	r7,r7,r4 -	mtspr	SPRN_MAS6,r7 -	tlbsx	0,r6				/* Fall through, we had to match */ - -match_TLB: -	mfspr	r7,SPRN_MAS0 -	rlwinm	r3,r7,16,20,31			/* Extract MAS0(Entry) */ - -	mfspr	r7,SPRN_MAS1			/* Insure IPROT set */ -	oris	r7,r7,MAS1_IPROT@h -	mtspr	SPRN_MAS1,r7 -	tlbwe - -/* 2. Invalidate all entries except the entry we're executing in */ -	mfspr	r9,SPRN_TLB1CFG -	andi.	r9,r9,0xfff -	li	r6,0				/* Set Entry counter to 0 */ -1:	lis	r7,0x1000			/* Set MAS0(TLBSEL) = 1 */ -	rlwimi	r7,r6,16,4,15			/* Setup MAS0 = TLBSEL | ESEL(r6) */ -	mtspr	SPRN_MAS0,r7 -	tlbre -	mfspr	r7,SPRN_MAS1 -	rlwinm	r7,r7,0,2,31			/* Clear MAS1 Valid and IPROT */ -	cmpw	r3,r6 -	beq	skpinv				/* Dont update the current execution TLB */ -	mtspr	SPRN_MAS1,r7 -	tlbwe -	isync -skpinv:	addi	r6,r6,1				/* Increment */ -	cmpw	r6,r9				/* Are we done? */ -	bne	1b				/* If not, repeat */ - -	/* Invalidate TLB0 */ -	li	r6,0x04 -	tlbivax 0,r6 -	TLBSYNC -	/* Invalidate TLB1 */ -	li	r6,0x0c -	tlbivax 0,r6 -	TLBSYNC - -/* 3. Setup a temp mapping and jump to it */ -	andi.	r5, r3, 0x1	/* Find an entry not used and is non-zero */ -	addi	r5, r5, 0x1 -	lis	r7,0x1000	/* Set MAS0(TLBSEL) = 1 */ -	rlwimi	r7,r3,16,4,15	/* Setup MAS0 = TLBSEL | ESEL(r3) */ -	mtspr	SPRN_MAS0,r7 -	tlbre - -	/* grab and fixup the RPN */ -	mfspr	r6,SPRN_MAS1	/* extract MAS1[SIZE] */ -	rlwinm	r6,r6,25,27,31 -	li	r8,-1 -	addi	r6,r6,10 -	slw	r6,r8,r6	/* convert to mask */ - -	bl	1f		/* Find our address */ -1:	mflr	r7 - -	mfspr	r8,SPRN_MAS3 -#ifdef CONFIG_PHYS_64BIT -	mfspr	r23,SPRN_MAS7 -#endif -	and	r8,r6,r8 -	subfic	r9,r6,-4096 -	and	r9,r9,r7 - -	or	r25,r8,r9 -	ori	r8,r25,(MAS3_SX|MAS3_SW|MAS3_SR) - -	/* Just modify the entry ID and EPN for the temp mapping */ -	lis	r7,0x1000	/* Set MAS0(TLBSEL) = 1 */ -	rlwimi	r7,r5,16,4,15	/* Setup MAS0 = TLBSEL | ESEL(r5) */ -	mtspr	SPRN_MAS0,r7 -	xori	r6,r4,1		/* Setup TMP mapping in the other Address space */ -	slwi	r6,r6,12 -	oris	r6,r6,(MAS1_VALID|MAS1_IPROT)@h -	ori	r6,r6,(MAS1_TSIZE(BOOK3E_PAGESZ_4K))@l -	mtspr	SPRN_MAS1,r6 -	mfspr	r6,SPRN_MAS2 -	li	r7,0		/* temp EPN = 0 */ -	rlwimi	r7,r6,0,20,31 -	mtspr	SPRN_MAS2,r7 -	mtspr	SPRN_MAS3,r8 -	tlbwe - -	xori	r6,r4,1 -	slwi	r6,r6,5		/* setup new context with other address space */ -	bl	1f		/* Find our address */ -1:	mflr	r9 -	rlwimi	r7,r9,0,20,31 -	addi	r7,r7,(2f - 1b) -	mtspr	SPRN_SRR0,r7 -	mtspr	SPRN_SRR1,r6 -	rfi -2: -/* 4. Clear out PIDs & Search info */ -	li	r6,0 -	mtspr   SPRN_MAS6,r6 -	mtspr	SPRN_PID0,r6 - -	mfspr	r7,SPRN_MMUCFG -	rlwinm	r7,r7,21,28,31			/* extract MMUCFG[NPIDS] */ -	cmpwi	r7,3 -	bne	2f				/* skip if NPIDS != 3 */ -	mtspr	SPRN_PID1,r6 -	mtspr	SPRN_PID2,r6 - -/* 5. Invalidate mapping we started in */ -2: -	lis	r7,0x1000	/* Set MAS0(TLBSEL) = 1 */ -	rlwimi	r7,r3,16,4,15	/* Setup MAS0 = TLBSEL | ESEL(r3) */ -	mtspr	SPRN_MAS0,r7 -	tlbre -	mfspr	r6,SPRN_MAS1 -	rlwinm	r6,r6,0,2,0	/* clear IPROT */ -	mtspr	SPRN_MAS1,r6 -	tlbwe -	/* Invalidate TLB1 */ -	li	r9,0x0c -	tlbivax 0,r9 -	TLBSYNC - -/* The mapping only needs to be cache-coherent on SMP */ -#ifdef CONFIG_SMP -#define M_IF_SMP	MAS2_M -#else -#define M_IF_SMP	0 -#endif - -/* 6. Setup KERNELBASE mapping in TLB1[0] */ -	lis	r6,0x1000		/* Set MAS0(TLBSEL) = TLB1(1), ESEL = 0 */ -	mtspr	SPRN_MAS0,r6 -	lis	r6,(MAS1_VALID|MAS1_IPROT)@h -	ori	r6,r6,(MAS1_TSIZE(BOOK3E_PAGESZ_64M))@l -	mtspr	SPRN_MAS1,r6 -	lis	r6,MAS2_VAL(PAGE_OFFSET, BOOK3E_PAGESZ_64M, M_IF_SMP)@h -	ori	r6,r6,MAS2_VAL(PAGE_OFFSET, BOOK3E_PAGESZ_64M, M_IF_SMP)@l -	mtspr	SPRN_MAS2,r6 -	mtspr	SPRN_MAS3,r8 -	tlbwe - -/* 7. Jump to KERNELBASE mapping */ -	lis	r6,(KERNELBASE & ~0xfff)@h -	ori	r6,r6,(KERNELBASE & ~0xfff)@l -	lis	r7,MSR_KERNEL@h -	ori	r7,r7,MSR_KERNEL@l -	bl	1f			/* Find our address */ -1:	mflr	r9 -	rlwimi	r6,r9,0,20,31 -	addi	r6,r6,(2f - 1b) -	mtspr	SPRN_SRR0,r6 -	mtspr	SPRN_SRR1,r7 -	rfi				/* start execution out of TLB1[0] entry */ - -/* 8. Clear out the temp mapping */ -2:	lis	r7,0x1000	/* Set MAS0(TLBSEL) = 1 */ -	rlwimi	r7,r5,16,4,15	/* Setup MAS0 = TLBSEL | ESEL(r5) */ -	mtspr	SPRN_MAS0,r7 -	tlbre -	mfspr	r8,SPRN_MAS1 -	rlwinm	r8,r8,0,2,0	/* clear IPROT */ -	mtspr	SPRN_MAS1,r8 -	tlbwe -	/* Invalidate TLB1 */ -	li	r9,0x0c -	tlbivax 0,r9 -	TLBSYNC +#define ENTRY_MAPPING_BOOT_SETUP +#include "fsl_booke_entry_mapping.S" +#undef ENTRY_MAPPING_BOOT_SETUP  	/* Establish the interrupt vector offsets */  	SET_IVOR(0,  CriticalInput); diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index 8043d1b73cf0..dc66d52dcff5 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -711,6 +711,22 @@ relocate_new_kernel:  	/* r4 = reboot_code_buffer */  	/* r5 = start_address      */ +#ifdef CONFIG_FSL_BOOKE + +	mr	r29, r3 +	mr	r30, r4 +	mr	r31, r5 + +#define ENTRY_MAPPING_KEXEC_SETUP +#include "fsl_booke_entry_mapping.S" +#undef ENTRY_MAPPING_KEXEC_SETUP + +	mr      r3, r29 +	mr      r4, r30 +	mr      r5, r31 + +	li	r0, 0 +#else  	li	r0, 0  	/* @@ -727,6 +743,7 @@ relocate_new_kernel:  	rfi  1: +#endif  	/* from this point address translation is turned off */  	/* and interrupts are disabled */ diff --git a/arch/powerpc/kernel/swsusp_booke.S b/arch/powerpc/kernel/swsusp_booke.S new file mode 100644 index 000000000000..11a39307dd71 --- /dev/null +++ b/arch/powerpc/kernel/swsusp_booke.S @@ -0,0 +1,193 @@ +/* + * Based on swsusp_32.S, modified for FSL BookE by + * Anton Vorontsov <avorontsov@ru.mvista.com> + * Copyright (c) 2009-2010 MontaVista Software, LLC. + */ + +#include <linux/threads.h> +#include <asm/processor.h> +#include <asm/page.h> +#include <asm/cputable.h> +#include <asm/thread_info.h> +#include <asm/ppc_asm.h> +#include <asm/asm-offsets.h> +#include <asm/mmu.h> + +/* + * Structure for storing CPU registers on the save area. + */ +#define SL_SP		0 +#define SL_PC		4 +#define SL_MSR		8 +#define SL_TCR		0xc +#define SL_SPRG0	0x10 +#define SL_SPRG1	0x14 +#define SL_SPRG2	0x18 +#define SL_SPRG3	0x1c +#define SL_SPRG4	0x20 +#define SL_SPRG5	0x24 +#define SL_SPRG6	0x28 +#define SL_SPRG7	0x2c +#define SL_TBU		0x30 +#define SL_TBL		0x34 +#define SL_R2		0x38 +#define SL_CR		0x3c +#define SL_LR		0x40 +#define SL_R12		0x44	/* r12 to r31 */ +#define SL_SIZE		(SL_R12 + 80) + +	.section .data +	.align	5 + +_GLOBAL(swsusp_save_area) +	.space	SL_SIZE + + +	.section .text +	.align	5 + +_GLOBAL(swsusp_arch_suspend) +	lis	r11,swsusp_save_area@h +	ori	r11,r11,swsusp_save_area@l + +	mflr	r0 +	stw	r0,SL_LR(r11) +	mfcr	r0 +	stw	r0,SL_CR(r11) +	stw	r1,SL_SP(r11) +	stw	r2,SL_R2(r11) +	stmw	r12,SL_R12(r11) + +	/* Save MSR & TCR */ +	mfmsr	r4 +	stw	r4,SL_MSR(r11) +	mfspr	r4,SPRN_TCR +	stw	r4,SL_TCR(r11) + +	/* Get a stable timebase and save it */ +1:	mfspr	r4,SPRN_TBRU +	stw	r4,SL_TBU(r11) +	mfspr	r5,SPRN_TBRL +	stw	r5,SL_TBL(r11) +	mfspr	r3,SPRN_TBRU +	cmpw	r3,r4 +	bne	1b + +	/* Save SPRGs */ +	mfsprg	r4,0 +	stw	r4,SL_SPRG0(r11) +	mfsprg	r4,1 +	stw	r4,SL_SPRG1(r11) +	mfsprg	r4,2 +	stw	r4,SL_SPRG2(r11) +	mfsprg	r4,3 +	stw	r4,SL_SPRG3(r11) +	mfsprg	r4,4 +	stw	r4,SL_SPRG4(r11) +	mfsprg	r4,5 +	stw	r4,SL_SPRG5(r11) +	mfsprg	r4,6 +	stw	r4,SL_SPRG6(r11) +	mfsprg	r4,7 +	stw	r4,SL_SPRG7(r11) + +	/* Call the low level suspend stuff (we should probably have made +	 * a stackframe... +	 */ +	bl	swsusp_save + +	/* Restore LR from the save area */ +	lis	r11,swsusp_save_area@h +	ori	r11,r11,swsusp_save_area@l +	lwz	r0,SL_LR(r11) +	mtlr	r0 + +	blr + +_GLOBAL(swsusp_arch_resume) +	sync + +	/* Load ptr the list of pages to copy in r3 */ +	lis	r11,(restore_pblist)@h +	ori	r11,r11,restore_pblist@l +	lwz	r3,0(r11) + +	/* Copy the pages. This is a very basic implementation, to +	 * be replaced by something more cache efficient */ +1: +	li	r0,256 +	mtctr	r0 +	lwz	r5,pbe_address(r3)	/* source */ +	lwz	r6,pbe_orig_address(r3)	/* destination */ +2: +	lwz	r8,0(r5) +	lwz	r9,4(r5) +	lwz	r10,8(r5) +	lwz	r11,12(r5) +	addi	r5,r5,16 +	stw	r8,0(r6) +	stw	r9,4(r6) +	stw	r10,8(r6) +	stw	r11,12(r6) +	addi	r6,r6,16 +	bdnz	2b +	lwz	r3,pbe_next(r3) +	cmpwi	0,r3,0 +	bne	1b + +	bl flush_dcache_L1 +	bl flush_instruction_cache + +	lis	r11,swsusp_save_area@h +	ori	r11,r11,swsusp_save_area@l + +	lwz	r4,SL_SPRG0(r11) +	mtsprg	0,r4 +	lwz	r4,SL_SPRG1(r11) +	mtsprg	1,r4 +	lwz	r4,SL_SPRG2(r11) +	mtsprg	2,r4 +	lwz	r4,SL_SPRG3(r11) +	mtsprg	3,r4 +	lwz	r4,SL_SPRG4(r11) +	mtsprg	4,r4 +	lwz	r4,SL_SPRG5(r11) +	mtsprg	5,r4 +	lwz	r4,SL_SPRG6(r11) +	mtsprg	6,r4 +	lwz	r4,SL_SPRG7(r11) +	mtsprg	7,r4 + +	/* restore the MSR */ +	lwz	r3,SL_MSR(r11) +	mtmsr	r3 + +	/* Restore TB */ +	li	r3,0 +	mtspr	SPRN_TBWL,r3 +	lwz	r3,SL_TBU(r11) +	lwz	r4,SL_TBL(r11) +	mtspr	SPRN_TBWU,r3 +	mtspr	SPRN_TBWL,r4 + +	/* Restore TCR and clear any pending bits in TSR. */ +	lwz	r4,SL_TCR(r11) +	mtspr	SPRN_TCR,r4 +	lis	r4, (TSR_ENW | TSR_WIS | TSR_DIS | TSR_FIS)@h +	mtspr	SPRN_TSR,r4 + +	/* Kick decrementer */ +	li	r0,1 +	mtdec	r0 + +	/* Restore the callee-saved registers and return */ +	lwz	r0,SL_CR(r11) +	mtcr	r0 +	lwz	r2,SL_R2(r11) +	lmw	r12,SL_R12(r11) +	lwz	r1,SL_SP(r11) +	lwz	r0,SL_LR(r11) +	mtlr	r0 + +	li	r3,0 +	blr diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 3031fc712ad0..25fc33984c2b 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -1,5 +1,6 @@  /*   *  Copyright (C) 1995-1996  Gary Thomas (gdt@linuxppc.org) + *  Copyright 2007-2010 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 @@ -305,7 +306,7 @@ static inline int check_io_access(struct pt_regs *regs)  #ifndef CONFIG_FSL_BOOKE  #define get_mc_reason(regs)	((regs)->dsisr)  #else -#define get_mc_reason(regs)	(mfspr(SPRN_MCSR) & MCSR_MASK) +#define get_mc_reason(regs)	(mfspr(SPRN_MCSR))  #endif  #define REASON_FP		ESR_FP  #define REASON_ILLEGAL		(ESR_PIL | ESR_PUO) @@ -421,6 +422,91 @@ int machine_check_47x(struct pt_regs *regs)  	return 0;  }  #elif defined(CONFIG_E500) +int machine_check_e500mc(struct pt_regs *regs) +{ +	unsigned long mcsr = mfspr(SPRN_MCSR); +	unsigned long reason = mcsr; +	int recoverable = 1; + +	printk("Machine check in kernel mode.\n"); +	printk("Caused by (from MCSR=%lx): ", reason); + +	if (reason & MCSR_MCP) +		printk("Machine Check Signal\n"); + +	if (reason & MCSR_ICPERR) { +		printk("Instruction Cache Parity Error\n"); + +		/* +		 * This is recoverable by invalidating the i-cache. +		 */ +		mtspr(SPRN_L1CSR1, mfspr(SPRN_L1CSR1) | L1CSR1_ICFI); +		while (mfspr(SPRN_L1CSR1) & L1CSR1_ICFI) +			; + +		/* +		 * This will generally be accompanied by an instruction +		 * fetch error report -- only treat MCSR_IF as fatal +		 * if it wasn't due to an L1 parity error. +		 */ +		reason &= ~MCSR_IF; +	} + +	if (reason & MCSR_DCPERR_MC) { +		printk("Data Cache Parity Error\n"); +		recoverable = 0; +	} + +	if (reason & MCSR_L2MMU_MHIT) { +		printk("Hit on multiple TLB entries\n"); +		recoverable = 0; +	} + +	if (reason & MCSR_NMI) +		printk("Non-maskable interrupt\n"); + +	if (reason & MCSR_IF) { +		printk("Instruction Fetch Error Report\n"); +		recoverable = 0; +	} + +	if (reason & MCSR_LD) { +		printk("Load Error Report\n"); +		recoverable = 0; +	} + +	if (reason & MCSR_ST) { +		printk("Store Error Report\n"); +		recoverable = 0; +	} + +	if (reason & MCSR_LDG) { +		printk("Guarded Load Error Report\n"); +		recoverable = 0; +	} + +	if (reason & MCSR_TLBSYNC) +		printk("Simultaneous tlbsync operations\n"); + +	if (reason & MCSR_BSL2_ERR) { +		printk("Level 2 Cache Error\n"); +		recoverable = 0; +	} + +	if (reason & MCSR_MAV) { +		u64 addr; + +		addr = mfspr(SPRN_MCAR); +		addr |= (u64)mfspr(SPRN_MCARU) << 32; + +		printk("Machine Check %s Address: %#llx\n", +		       reason & MCSR_MEA ? "Effective" : "Physical", addr); +	} + +	mtspr(SPRN_MCSR, mcsr); +	return mfspr(SPRN_MCSR) == 0 && recoverable; +} +  int machine_check_e500(struct pt_regs *regs)  {  	unsigned long reason = get_mc_reason(regs); diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index f0684c8ac960..8fe87fc61485 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -1,5 +1,5 @@  /* - * Copyright (C) Freescale Semicondutor, Inc. 2006-2007. All rights reserved. + * Copyright (C) Freescale Semicondutor, Inc. 2006-2010. All rights reserved.   *   * Author: Andy Fleming <afleming@freescale.com>   * @@ -154,6 +154,10 @@ static int mpc8568_mds_phy_fixups(struct phy_device *phydev)   * Setup the architecture   *   */ +#ifdef CONFIG_SMP +extern void __init mpc85xx_smp_init(void); +#endif +  static void __init mpc85xx_mds_setup_arch(void)  {  	struct device_node *np; @@ -194,6 +198,10 @@ static void __init mpc85xx_mds_setup_arch(void)  	}  #endif +#ifdef CONFIG_SMP +	mpc85xx_smp_init(); +#endif +  #ifdef CONFIG_QUICC_ENGINE  	np = of_find_compatible_node(NULL, NULL, "fsl,qe");  	if (!np) { @@ -271,9 +279,49 @@ static void __init mpc85xx_mds_setup_arch(void)  						BCSR_UCC_RGMII, BCSR_UCC_RTBI);  			} +		} else if (machine_is(p1021_mds)) { +#define BCSR11_ENET_MICRST     (0x1 << 5) +			/* Reset Micrel PHY */ +			clrbits8(&bcsr_regs[11], BCSR11_ENET_MICRST); +			setbits8(&bcsr_regs[11], BCSR11_ENET_MICRST);  		} +  		iounmap(bcsr_regs);  	} + +	if (machine_is(p1021_mds)) { +#define MPC85xx_PMUXCR_OFFSET           0x60 +#define MPC85xx_PMUXCR_QE0              0x00008000 +#define MPC85xx_PMUXCR_QE3              0x00001000 +#define MPC85xx_PMUXCR_QE9              0x00000040 +#define MPC85xx_PMUXCR_QE12             0x00000008 +		static __be32 __iomem *pmuxcr; + +		np = of_find_node_by_name(NULL, "global-utilities"); + +		if (np) { +			pmuxcr = of_iomap(np, 0) + MPC85xx_PMUXCR_OFFSET; + +			if (!pmuxcr) +				printk(KERN_EMERG "Error: Alternate function" +					" signal multiplex control register not" +					" mapped!\n"); +			else +			/* P1021 has pins muxed for QE and other functions. To +			 * enable QE UEC mode, we need to set bit QE0 for UCC1 +			 * in Eth mode, QE0 and QE3 for UCC5 in Eth mode, QE9 +			 * and QE12 for QE MII management singals in PMUXCR +			 * register. +			 */ +				setbits32(pmuxcr, MPC85xx_PMUXCR_QE0 | +						  MPC85xx_PMUXCR_QE3 | +						  MPC85xx_PMUXCR_QE9 | +						  MPC85xx_PMUXCR_QE12); + +			of_node_put(np); +		} + +	}  #endif	/* CONFIG_QUICC_ENGINE */  #ifdef CONFIG_SWIOTLB @@ -330,6 +378,16 @@ static struct of_device_id mpc85xx_ids[] = {  	{},  }; +static struct of_device_id p1021_ids[] = { +	{ .type = "soc", }, +	{ .compatible = "soc", }, +	{ .compatible = "simple-bus", }, +	{ .type = "qe", }, +	{ .compatible = "fsl,qe", }, +	{ .compatible = "gianfar", }, +	{}, +}; +  static int __init mpc85xx_publish_devices(void)  {  	if (machine_is(mpc8568_mds)) @@ -342,11 +400,22 @@ static int __init mpc85xx_publish_devices(void)  	return 0;  } + +static int __init p1021_publish_devices(void) +{ +	/* Publish the QE devices */ +	of_platform_bus_probe(NULL, p1021_ids, NULL); + +	return 0; +} +  machine_device_initcall(mpc8568_mds, mpc85xx_publish_devices);  machine_device_initcall(mpc8569_mds, mpc85xx_publish_devices); +machine_device_initcall(p1021_mds, p1021_publish_devices);  machine_arch_initcall(mpc8568_mds, swiotlb_setup_bus_notifier);  machine_arch_initcall(mpc8569_mds, swiotlb_setup_bus_notifier); +machine_arch_initcall(p1021_mds, swiotlb_setup_bus_notifier);  static void __init mpc85xx_mds_pic_init(void)  { @@ -366,7 +435,7 @@ static void __init mpc85xx_mds_pic_init(void)  	mpic = mpic_alloc(np, r.start,  			MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN | -			MPIC_BROKEN_FRR_NIRQS, +			MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU,  			0, 256, " OpenPIC  ");  	BUG_ON(mpic == NULL);  	of_node_put(np); @@ -380,7 +449,11 @@ static void __init mpc85xx_mds_pic_init(void)  		if (!np)  			return;  	} -	qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL); +	if (machine_is(p1021_mds)) +		qe_ic_init(np, 0, qe_ic_cascade_low_mpic, +				qe_ic_cascade_high_mpic); +	else +		qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL);  	of_node_put(np);  #endif				/* CONFIG_QUICC_ENGINE */  } @@ -426,3 +499,26 @@ define_machine(mpc8569_mds) {  	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,  #endif  }; + +static int __init p1021_mds_probe(void) +{ +	unsigned long root = of_get_flat_dt_root(); + +	return of_flat_dt_is_compatible(root, "fsl,P1021MDS"); + +} + +define_machine(p1021_mds) { +	.name		= "P1021 MDS", +	.probe		= p1021_mds_probe, +	.setup_arch	= mpc85xx_mds_setup_arch, +	.init_IRQ	= mpc85xx_mds_pic_init, +	.get_irq	= mpic_get_irq, +	.restart	= fsl_rstcr_restart, +	.calibrate_decr	= generic_calibrate_decr, +	.progress	= udbg_progress, +#ifdef CONFIG_PCI +	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus, +#endif +}; + diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c index a7be144f5874..0f5bee90ee4e 100644 --- a/arch/powerpc/sysdev/fsl_msi.c +++ b/arch/powerpc/sysdev/fsl_msi.c @@ -1,5 +1,5 @@  /* - * Copyright (C) 2007-2008 Freescale Semiconductor, Inc. All rights reserved. + * Copyright (C) 2007-2010 Freescale Semiconductor, Inc.   *   * Author: Tony Li <tony.li@freescale.com>   *	   Jason Jin <Jason.jin@freescale.com> @@ -22,14 +22,20 @@  #include <asm/prom.h>  #include <asm/hw_irq.h>  #include <asm/ppc-pci.h> +#include <asm/mpic.h>  #include "fsl_msi.h" +LIST_HEAD(msi_head); +  struct fsl_msi_feature {  	u32 fsl_pic_ip;  	u32 msiir_offset;  }; -static struct fsl_msi *fsl_msi; +struct fsl_msi_cascade_data { +	struct fsl_msi *msi_data; +	int index; +};  static inline u32 fsl_msi_read(u32 __iomem *base, unsigned int reg)  { @@ -54,10 +60,12 @@ static struct irq_chip fsl_msi_chip = {  static int fsl_msi_host_map(struct irq_host *h, unsigned int virq,  				irq_hw_number_t hw)  { +	struct fsl_msi *msi_data = h->host_data;  	struct irq_chip *chip = &fsl_msi_chip;  	irq_to_desc(virq)->status |= IRQ_TYPE_EDGE_FALLING; +	set_irq_chip_data(virq, msi_data);  	set_irq_chip_and_handler(virq, chip, handle_edge_irq);  	return 0; @@ -96,11 +104,12 @@ static int fsl_msi_check_device(struct pci_dev *pdev, int nvec, int type)  static void fsl_teardown_msi_irqs(struct pci_dev *pdev)  {  	struct msi_desc *entry; -	struct fsl_msi *msi_data = fsl_msi; +	struct fsl_msi *msi_data;  	list_for_each_entry(entry, &pdev->msi_list, list) {  		if (entry->irq == NO_IRQ)  			continue; +		msi_data = get_irq_data(entry->irq);  		set_irq_msi(entry->irq, NULL);  		msi_bitmap_free_hwirqs(&msi_data->bitmap,  				       virq_to_hw(entry->irq), 1); @@ -111,9 +120,10 @@ static void fsl_teardown_msi_irqs(struct pci_dev *pdev)  }  static void fsl_compose_msi_msg(struct pci_dev *pdev, int hwirq, -				  struct msi_msg *msg) +				struct msi_msg *msg, +				struct fsl_msi *fsl_msi_data)  { -	struct fsl_msi *msi_data = fsl_msi; +	struct fsl_msi *msi_data = fsl_msi_data;  	struct pci_controller *hose = pci_bus_to_host(pdev->bus);  	u32 base = 0; @@ -130,14 +140,19 @@ static void fsl_compose_msi_msg(struct pci_dev *pdev, int hwirq,  static int fsl_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)  { -	int rc, hwirq; +	int rc, hwirq = -ENOMEM;  	unsigned int virq;  	struct msi_desc *entry;  	struct msi_msg msg; -	struct fsl_msi *msi_data = fsl_msi; +	struct fsl_msi *msi_data;  	list_for_each_entry(entry, &pdev->msi_list, list) { -		hwirq = msi_bitmap_alloc_hwirqs(&msi_data->bitmap, 1); +		list_for_each_entry(msi_data, &msi_head, list) { +			hwirq = msi_bitmap_alloc_hwirqs(&msi_data->bitmap, 1); +			if (hwirq >= 0) +				break; +		} +  		if (hwirq < 0) {  			rc = hwirq;  			pr_debug("%s: fail allocating msi interrupt\n", @@ -154,25 +169,31 @@ static int fsl_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)  			rc = -ENOSPC;  			goto out_free;  		} +		set_irq_data(virq, msi_data);  		set_irq_msi(virq, entry); -		fsl_compose_msi_msg(pdev, hwirq, &msg); +		fsl_compose_msi_msg(pdev, hwirq, &msg, msi_data);  		write_msi_msg(virq, &msg);  	}  	return 0;  out_free: +	/* free by the caller of this function */  	return rc;  }  static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc)  {  	unsigned int cascade_irq; -	struct fsl_msi *msi_data = fsl_msi; +	struct fsl_msi *msi_data;  	int msir_index = -1;  	u32 msir_value = 0;  	u32 intr_index;  	u32 have_shift = 0; +	struct fsl_msi_cascade_data *cascade_data; + +	cascade_data = (struct fsl_msi_cascade_data *)get_irq_data(irq); +	msi_data = cascade_data->msi_data;  	raw_spin_lock(&desc->lock);  	if ((msi_data->feature &  FSL_PIC_IP_MASK) == FSL_PIC_IP_IPIC) { @@ -187,13 +208,13 @@ static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc)  	if (unlikely(desc->status & IRQ_INPROGRESS))  		goto unlock; -	msir_index = (int)desc->handler_data; +	msir_index = cascade_data->index;  	if (msir_index >= NR_MSI_REG)  		cascade_irq = NO_IRQ;  	desc->status |= IRQ_INPROGRESS; -	switch (fsl_msi->feature & FSL_PIC_IP_MASK) { +	switch (msi_data->feature & FSL_PIC_IP_MASK) {  	case FSL_PIC_IP_MPIC:  		msir_value = fsl_msi_read(msi_data->msi_regs,  			msir_index * 0x10); @@ -229,6 +250,30 @@ unlock:  	raw_spin_unlock(&desc->lock);  } +static int fsl_of_msi_remove(struct of_device *ofdev) +{ +	struct fsl_msi *msi = ofdev->dev.platform_data; +	int virq, i; +	struct fsl_msi_cascade_data *cascade_data; + +	if (msi->list.prev != NULL) +		list_del(&msi->list); +	for (i = 0; i < NR_MSI_REG; i++) { +		virq = msi->msi_virqs[i]; +		if (virq != NO_IRQ) { +			cascade_data = get_irq_data(virq); +			kfree(cascade_data); +			irq_dispose_mapping(virq); +		} +	} +	if (msi->bitmap.bitmap) +		msi_bitmap_free(&msi->bitmap); +	iounmap(msi->msi_regs); +	kfree(msi); + +	return 0; +} +  static int __devinit fsl_of_msi_probe(struct of_device *dev,  				const struct of_device_id *match)  { @@ -239,15 +284,18 @@ static int __devinit fsl_of_msi_probe(struct of_device *dev,  	int virt_msir;  	const u32 *p;  	struct fsl_msi_feature *features = match->data; +	struct fsl_msi_cascade_data *cascade_data = NULL; +	int len; +	u32 offset;  	printk(KERN_DEBUG "Setting up Freescale MSI support\n");  	msi = kzalloc(sizeof(struct fsl_msi), GFP_KERNEL);  	if (!msi) {  		dev_err(&dev->dev, "No memory for MSI structure\n"); -		err = -ENOMEM; -		goto error_out; +		return -ENOMEM;  	} +	dev->dev.platform_data = msi;  	msi->irqhost = irq_alloc_host(dev->dev.of_node, IRQ_HOST_MAP_LINEAR,  				      NR_MSI_IRQS, &fsl_msi_host_ops, 0); @@ -298,27 +346,47 @@ static int __devinit fsl_of_msi_probe(struct of_device *dev,  		err = -EINVAL;  		goto error_out;  	} +	offset = 0; +	p = of_get_property(dev->node, "msi-available-ranges", &len); +	if (p) +		offset = *p / IRQS_PER_MSI_REG;  	count /= sizeof(u32); -	for (i = 0; i < count / 2; i++) { -		if (i > NR_MSI_REG) -			break; +	for (i = 0; i < min(count / 2, NR_MSI_REG); i++) {  		virt_msir = irq_of_parse_and_map(dev->dev.of_node, i);  		if (virt_msir != NO_IRQ) { -			set_irq_data(virt_msir, (void *)i); +			cascade_data = kzalloc( +					sizeof(struct fsl_msi_cascade_data), +					GFP_KERNEL); +			if (!cascade_data) { +				dev_err(&dev->dev, +					"No memory for MSI cascade data\n"); +				err = -ENOMEM; +				goto error_out; +			} +			msi->msi_virqs[i] = virt_msir; +			cascade_data->index = i + offset; +			cascade_data->msi_data = msi; +			set_irq_data(virt_msir, (void *)cascade_data);  			set_irq_chained_handler(virt_msir, fsl_msi_cascade);  		}  	} -	fsl_msi = msi; +	list_add_tail(&msi->list, &msi_head); -	WARN_ON(ppc_md.setup_msi_irqs); -	ppc_md.setup_msi_irqs = fsl_setup_msi_irqs; -	ppc_md.teardown_msi_irqs = fsl_teardown_msi_irqs; -	ppc_md.msi_check_device = fsl_msi_check_device; +	/* The multiple setting ppc_md.setup_msi_irqs will not harm things */ +	if (!ppc_md.setup_msi_irqs) { +		ppc_md.setup_msi_irqs = fsl_setup_msi_irqs; +		ppc_md.teardown_msi_irqs = fsl_teardown_msi_irqs; +		ppc_md.msi_check_device = fsl_msi_check_device; +	} else if (ppc_md.setup_msi_irqs != fsl_setup_msi_irqs) { +		dev_err(&dev->dev, "Different MSI driver already installed!\n"); +		err = -ENODEV; +		goto error_out; +	}  	return 0;  error_out: -	kfree(msi); +	fsl_of_msi_remove(dev);  	return err;  } @@ -351,6 +419,7 @@ static struct of_platform_driver fsl_of_msi_driver = {  		.of_match_table = fsl_of_msi_ids,  	},  	.probe = fsl_of_msi_probe, +	.remove = fsl_of_msi_remove,  };  static __init int fsl_of_msi_init(void) diff --git a/arch/powerpc/sysdev/fsl_msi.h b/arch/powerpc/sysdev/fsl_msi.h index 331c7e7025b7..624580c252d7 100644 --- a/arch/powerpc/sysdev/fsl_msi.h +++ b/arch/powerpc/sysdev/fsl_msi.h @@ -32,8 +32,11 @@ struct fsl_msi {  	u32 msi_addr_hi;  	void __iomem *msi_regs;  	u32 feature; +	int msi_virqs[NR_MSI_REG];  	struct msi_bitmap bitmap; + +	struct list_head list;          /* support multiple MSI banks */  };  #endif /* _POWERPC_SYSDEV_FSL_MSI_H */ |