Merge branch 'for-2.6.25' of master.kernel.org:/pub/scm/linux/kernel/git/jwboyer/powerpc-4xx

arch/powerpc/Kconfig

@@ -480,7 +480,7 @@ config MCA
 config PCI
 	bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_86xx \
 		|| PPC_MPC52xx || (EMBEDDED && (PPC_PSERIES || PPC_ISERIES)) \
-		|| PPC_PS3
+		|| PPC_PS3 || 44x
 	default y if !40x && !CPM2 && !8xx && !PPC_83xx \
 		&& !PPC_85xx && !PPC_86xx
 	default PCI_PERMEDIA if !4xx && !CPM2 && !8xx

arch/powerpc/boot/4xx.c

@@ -159,7 +159,7 @@ void ibm4xx_denali_fixup_memsize(void)
 	val = DDR_GET_VAL(val, DDR_CS_MAP, DDR_CS_MAP_SHIFT);
 	cs = 0;
 	while (val) {
-		if (val && 0x1)
+		if (val & 0x1)
 			cs++;
 		val = val >> 1;
 	}

arch/powerpc/boot/Makefile

@@ -62,7 +62,8 @@ src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c
 		ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c cuboot-8xx.c \
 		cuboot-pq2.c cuboot-sequoia.c treeboot-walnut.c cuboot-bamboo.c \
 		fixed-head.S ep88xc.c cuboot-hpc2.c ep405.c cuboot-taishan.c \
-		cuboot-katmai.c cuboot-rainier.c redboot-8xx.c ep8248e.c
+		cuboot-katmai.c cuboot-rainier.c redboot-8xx.c ep8248e.c \
+		cuboot-warp.c
 src-boot := $(src-wlib) $(src-plat) empty.c
 
 src-boot := $(addprefix $(obj)/, $(src-boot))
@@ -208,6 +209,7 @@ image-$(CONFIG_RAINIER)			+= cuImage.rainier
 image-$(CONFIG_WALNUT)			+= treeImage.walnut
 image-$(CONFIG_TAISHAN)			+= cuImage.taishan
 image-$(CONFIG_KATMAI)			+= cuImage.katmai
+image-$(CONFIG_WARP)			+= cuImage.warp
 endif
 
 ifneq ($(CONFIG_REDBOOT),"")

arch/powerpc/boot/cuboot-warp.c

+/*
+ * Copyright (c) 2008 PIKA Technologies
+ *   Sean MacLennan <smaclennan@pikatech.com>
+ *
+ * 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.
+ */
+
+#include "ops.h"
+#include "4xx.h"
+#include "cuboot.h"
+
+#define TARGET_44x
+#include "ppcboot.h"
+
+static bd_t bd;
+
+static void warp_fixups(void)
+{
+	unsigned long sysclk = 66000000;
+
+	ibm440ep_fixup_clocks(sysclk, 11059200, 50000000);
+	ibm4xx_sdram_fixup_memsize();
+	ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
+	dt_fixup_mac_addresses(&bd.bi_enetaddr);
+}
+
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+		   unsigned long r6, unsigned long r7)
+{
+	CUBOOT_INIT();
+
+	platform_ops.fixups = warp_fixups;
+	platform_ops.exit = ibm44x_dbcr_reset;
+	fdt_init(_dtb_start);
+	serial_console_init();
+}

arch/powerpc/boot/dts/ebony.dts

@@ -158,9 +158,10 @@
 					};
 				};
 
-				ds1743@1,0 {
+				nvram@1,0 {
 					/* NVRAM & RTC */
-					compatible = "ds1743";
+					compatible = "ds1743-nvram";
+					#bytes = <2000>;
 					reg = <1 0 2000>;
 				};
 

arch/powerpc/boot/dts/haleakala.dts

+/*
+ * Device Tree Source for AMCC Haleakala (405EXr)
+ *
+ * Copyright 2008 DENX Software Engineering, Stefan Roese <sr@denx.de>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without
+ * any warranty of any kind, whether express or implied.
+ */
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	model = "amcc,haleakala";
+	compatible = "amcc,kilauea";
+	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,405EXr";
+			reg = <0>;
+			clock-frequency = <0>; /* Filled in by U-Boot */
+			timebase-frequency = <0>; /* Filled in by U-Boot */
+			i-cache-line-size = <20>;
+			d-cache-line-size = <20>;
+			i-cache-size = <4000>; /* 16 kB */
+			d-cache-size = <4000>; /* 16 kB */
+			dcr-controller;
+			dcr-access-method = "native";
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0 0>; /* Filled in by U-Boot */
+	};
+
+	UIC0: interrupt-controller {
+		compatible = "ibm,uic-405exr", "ibm,uic";
+		interrupt-controller;
+		cell-index = <0>;
+		dcr-reg = <0c0 009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+	};
+
+	UIC1: interrupt-controller1 {
+		compatible = "ibm,uic-405exr","ibm,uic";
+		interrupt-controller;
+		cell-index = <1>;
+		dcr-reg = <0d0 009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+		interrupts = <1e 4 1f 4>; /* cascade */
+		interrupt-parent = <&UIC0>;
+	};
+
+	UIC2: interrupt-controller2 {
+		compatible = "ibm,uic-405exr","ibm,uic";
+		interrupt-controller;
+		cell-index = <2>;
+		dcr-reg = <0e0 009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+		interrupts = <1c 4 1d 4>; /* cascade */
+		interrupt-parent = <&UIC0>;
+	};
+
+	plb {
+		compatible = "ibm,plb-405exr", "ibm,plb4";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+		clock-frequency = <0>; /* Filled in by U-Boot */
+
+		SDRAM0: memory-controller {
+			compatible = "ibm,sdram-405exr";
+			dcr-reg = <010 2>;
+		};
+
+		MAL0: mcmal {
+			compatible = "ibm,mcmal-405exr", "ibm,mcmal2";
+			dcr-reg = <180 62>;
+			num-tx-chans = <2>;
+			num-rx-chans = <2>;
+			interrupt-parent = <&MAL0>;
+			interrupts = <0 1 2 3 4>;
+			#interrupt-cells = <1>;
+			#address-cells = <0>;
+			#size-cells = <0>;
+			interrupt-map = </*TXEOB*/ 0 &UIC0 a 4
+					/*RXEOB*/ 1 &UIC0 b 4
+					/*SERR*/  2 &UIC1 0 4
+					/*TXDE*/  3 &UIC1 1 4
+					/*RXDE*/  4 &UIC1 2 4>;
+			interrupt-map-mask = <ffffffff>;
+		};
+
+		POB0: opb {
+			compatible = "ibm,opb-405exr", "ibm,opb";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <80000000 80000000 10000000
+				  ef600000 ef600000 a00000
+				  f0000000 f0000000 10000000>;
+			dcr-reg = <0a0 5>;
+			clock-frequency = <0>; /* Filled in by U-Boot */
+
+			EBC0: ebc {
+				compatible = "ibm,ebc-405exr", "ibm,ebc";
+				dcr-reg = <012 2>;
+				#address-cells = <2>;
+				#size-cells = <1>;
+				clock-frequency = <0>; /* Filled in by U-Boot */
+				/* ranges property is supplied by U-Boot */
+				interrupts = <5 1>;
+				interrupt-parent = <&UIC1>;
+
+				nor_flash@0,0 {
+					compatible = "amd,s29gl512n", "cfi-flash";
+					bank-width = <2>;
+					reg = <0 000000 4000000>;
+					#address-cells = <1>;
+					#size-cells = <1>;
+					partition@0 {
+						label = "kernel";
+						reg = <0 200000>;
+					};
+					partition@200000 {
+						label = "root";
+						reg = <200000 200000>;
+					};
+					partition@400000 {
+						label = "user";
+						reg = <400000 3b60000>;
+					};
+					partition@3f60000 {
+						label = "env";
+						reg = <3f60000 40000>;
+					};
+					partition@3fa0000 {
+						label = "u-boot";
+						reg = <3fa0000 60000>;
+					};
+				};
+			};
+
+			UART0: serial@ef600200 {
+				device_type = "serial";
+				compatible = "ns16550";
+				reg = <ef600200 8>;
+				virtual-reg = <ef600200>;
+				clock-frequency = <0>; /* Filled in by U-Boot */
+				current-speed = <0>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <1a 4>;
+			};
+
+			UART1: serial@ef600300 {
+				device_type = "serial";
+				compatible = "ns16550";
+				reg = <ef600300 8>;
+				virtual-reg = <ef600300>;
+				clock-frequency = <0>; /* Filled in by U-Boot */
+				current-speed = <0>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <1 4>;
+			};
+
+			IIC0: i2c@ef600400 {
+				compatible = "ibm,iic-405exr", "ibm,iic";
+				reg = <ef600400 14>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <2 4>;
+			};
+
+			IIC1: i2c@ef600500 {
+				compatible = "ibm,iic-405exr", "ibm,iic";
+				reg = <ef600500 14>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <7 4>;
+			};
+
+
+			RGMII0: emac-rgmii@ef600b00 {
+				compatible = "ibm,rgmii-405exr", "ibm,rgmii";
+				reg = <ef600b00 104>;
+				has-mdio;
+			};
+
+			EMAC0: ethernet@ef600900 {
+				linux,network-index = <0>;
+				device_type = "network";
+				compatible = "ibm,emac-405exr", "ibm,emac4";
+				interrupt-parent = <&EMAC0>;
+				interrupts = <0 1>;
+				#interrupt-cells = <1>;
+				#address-cells = <0>;
+				#size-cells = <0>;
+				interrupt-map = </*Status*/ 0 &UIC0 18 4
+						/*Wake*/  1 &UIC1 1d 4>;
+				reg = <ef600900 70>;
+				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 = <5dc>;
+				rx-fifo-size = <1000>;
+				tx-fifo-size = <800>;
+				phy-mode = "rgmii";
+				phy-map = <00000000>;
+				rgmii-device = <&RGMII0>;
+				rgmii-channel = <0>;
+				has-inverted-stacr-oc;
+				has-new-stacr-staopc;
+			};
+		};
+
+		PCIE0: pciex@0a0000000 {
+			device_type = "pci";
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			compatible = "ibm,plb-pciex-405exr", "ibm,plb-pciex";
+			primary;
+			port = <0>; /* port number */
+			reg = <a0000000 20000000	/* Config space access */
+			       ef000000 00001000>;	/* Registers */
+			dcr-reg = <040 020>;
+			sdr-base = <400>;
+
+			/* Outbound ranges, one memory and one IO,
+			 * later cannot be changed
+			 */
+			ranges = <02000000 0 80000000 90000000 0 08000000
+				  01000000 0 00000000 e0000000 0 00010000>;
+
+			/* Inbound 2GB range starting at 0 */
+			dma-ranges = <42000000 0 0 0 0 80000000>;
+
+			/* This drives busses 0x00 to 0x3f */
+			bus-range = <00 3f>;
+
+			/* Legacy interrupts (note the weird polarity, the bridge seems
+			 * to invert PCIe legacy interrupts).
+			 * We are de-swizzling here because the numbers are actually for
+			 * port of the root complex virtual P2P bridge. But I want
+			 * to avoid putting a node for it in the tree, so the numbers
+			 * below are basically de-swizzled numbers.
+			 * The real slot is on idsel 0, so the swizzling is 1:1
+			 */
+			interrupt-map-mask = <0000 0 0 7>;
+			interrupt-map = <
+				0000 0 0 1 &UIC2 0 4 /* swizzled int A */
+				0000 0 0 2 &UIC2 1 4 /* swizzled int B */
+				0000 0 0 3 &UIC2 2 4 /* swizzled int C */
+				0000 0 0 4 &UIC2 3 4 /* swizzled int D */>;
+		};
+	};
+};

arch/powerpc/boot/dts/walnut.dts

@@ -175,9 +175,10 @@
 				};
 			};
 
-			ds1743@1,0 {
+			nvram@1,0 {
 				/* NVRAM and RTC */
-				compatible = "ds1743";
+				compatible = "ds1743-nvram";
+				#bytes = <2000>;
 				reg = <1 0 2000>;
 			};
 

arch/powerpc/boot/dts/warp.dts

+/*
+ * Device Tree Source for PIKA Warp
+ *
+ * Copyright (c) 2008 PIKA Technologies
+ *   Sean MacLennan <smaclennan@pikatech.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without
+ * any warranty of any kind, whether express or implied.
+ */
+
+/ {
+	#address-cells = <2>;
+	#size-cells = <1>;
+	model = "pika,warp";
+	compatible = "pika,warp";
+	dcr-parent = <&/cpus/cpu@0>;
+
+	aliases {
+		ethernet0 = &EMAC0;
+		serial0 = &UART0;
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			model = "PowerPC,440EP";
+			reg = <0>;
+			clock-frequency = <0>; /* Filled in by zImage */
+			timebase-frequency = <0>; /* Filled in by zImage */
+			i-cache-line-size = <20>;
+			d-cache-line-size = <20>;
+			i-cache-size = <8000>;
+			d-cache-size = <8000>;
+			dcr-controller;
+			dcr-access-method = "native";
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0 0 0>; /* Filled in by zImage */
+	};
+
+	UIC0: interrupt-controller0 {
+		compatible = "ibm,uic-440ep","ibm,uic";
+		interrupt-controller;
+		cell-index = <0>;
+		dcr-reg = <0c0 009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+	};
+
+	UIC1: interrupt-controller1 {
+		compatible = "ibm,uic-440ep","ibm,uic";
+		interrupt-controller;
+		cell-index = <1>;
+		dcr-reg = <0d0 009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+		interrupts = <1e 4 1f 4>; /* cascade */
+		interrupt-parent = <&UIC0>;
+	};
+
+	SDR0: sdr {
+		compatible = "ibm,sdr-440ep";
+		dcr-reg = <00e 002>;
+	};
+
+	CPR0: cpr {
+		compatible = "ibm,cpr-440ep";
+		dcr-reg = <00c 002>;
+	};
+
+	plb {
+		compatible = "ibm,plb-440ep", "ibm,plb-440gp", "ibm,plb4";
+		#address-cells = <2>;
+		#size-cells = <1>;
+		ranges;
+		clock-frequency = <0>; /* Filled in by zImage */
+
+		SDRAM0: sdram {
+			compatible = "ibm,sdram-440ep", "ibm,sdram-405gp";
+			dcr-reg = <010 2>;
+		};
+
+		DMA0: dma {
+			compatible = "ibm,dma-440ep", "ibm,dma-440gp";
+			dcr-reg = <100 027>;
+		};
+
+		MAL0: mcmal {
+			compatible = "ibm,mcmal-440ep", "ibm,mcmal-440gp", "ibm,mcmal";
+			dcr-reg = <180 62>;
+			num-tx-chans = <4>;
+			num-rx-chans = <2>;
+			interrupt-parent = <&MAL0>;
+			interrupts = <0 1 2 3 4>;
+			#interrupt-cells = <1>;
+			#address-cells = <0>;
+			#size-cells = <0>;
+			interrupt-map = </*TXEOB*/ 0 &UIC0 a 4
+					/*RXEOB*/ 1 &UIC0 b 4
+					/*SERR*/  2 &UIC1 0 4
+					/*TXDE*/  3 &UIC1 1 4
+					/*RXDE*/  4 &UIC1 2 4>;
+		};
+
+		POB0: opb {
+		  	compatible = "ibm,opb-440ep", "ibm,opb-440gp", "ibm,opb";
+			#address-cells = <1>;
+			#size-cells = <1>;
+		  	ranges = <00000000 0 00000000 80000000
+			          80000000 0 80000000 80000000>;
+		  	interrupt-parent = <&UIC1>;
+		  	interrupts = <7 4>;
+		  	clock-frequency = <0>; /* Filled in by zImage */
+
+			EBC0: ebc {
+				compatible = "ibm,ebc-440ep", "ibm,ebc-440gp", "ibm,ebc";
+				dcr-reg = <012 2>;
+				#address-cells = <2>;
+				#size-cells = <1>;
+				clock-frequency = <0>; /* Filled in by zImage */
+				interrupts = <5 1>;
+				interrupt-parent = <&UIC1>;
+
+				fpga@2,0 {
+					compatible = "pika,fpga";
+			   		reg = <2 0 2200>;
+					interrupts = <18 8>;
+					interrupt-parent = <&UIC0>;
+				};
+
+				nor_flash@0,0 {
+					compatible = "amd,s29gl512n", "cfi-flash";
+					bank-width = <2>;
+					reg = <0 0 4000000>;
+					#address-cells = <1>;
+					#size-cells = <1>;
+					partition@0 {
+						label = "kernel";
+						reg = <0 180000>;
+					};
+					partition@180000 {
+						label = "root";
+						reg = <180000 3480000>;
+					};
+					partition@3600000 {
+						label = "user";
+						reg = <3600000 900000>;
+					};
+					partition@3f00000 {
+						label = "fpga";
+						reg = <3f00000 40000>;
+					};
+					partition@3f40000 {
+						label = "env";
+						reg = <3f40000 40000>;
+					};
+					partition@3f80000 {
+						label = "u-boot";
+						reg = <3f80000 80000>;
+					};
+				};
+			};
+
+			UART0: serial@ef600300 {
+		   		device_type = "serial";
+		   		compatible = "ns16550";
+		   		reg = <ef600300 8>;
+		   		virtual-reg = <ef600300>;
+		   		clock-frequency = <0>; /* Filled in by zImage */
+		   		current-speed = <1c200>;
+		   		interrupt-parent = <&UIC0>;
+		   		interrupts = <0 4>;
+	   		};
+
+			IIC0: i2c@ef600700 {
+				compatible = "ibm,iic-440ep", "ibm,iic-440gp", "ibm,iic";
+				reg = <ef600700 14>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <2 4>;
+			};
+
+			GPIO0: gpio@ef600b00 {
+				compatible = "ibm,gpio-440ep";
+				reg = <ef600b00 48>;
+			};
+
+			GPIO1: gpio@ef600c00 {
+				compatible = "ibm,gpio-440ep";
+				reg = <ef600c00 48>;
+			};
+
+			ZMII0: emac-zmii@ef600d00 {
+				compatible = "ibm,zmii-440ep", "ibm,zmii-440gp", "ibm,zmii";
+				reg = <ef600d00 c>;
+			};
+
+			EMAC0: ethernet@ef600e00 {
+				linux,network-index = <0>;
+				device_type = "network";
+				compatible = "ibm,emac-440ep", "ibm,emac-440gp", "ibm,emac";
+				interrupt-parent = <&UIC1>;
+				interrupts = <1c 4 1d 4>;
+				reg = <ef600e00 70>;
+				local-mac-address = [000000000000];
+				mal-device = <&MAL0>;
+				mal-tx-channel = <0 1>;
+				mal-rx-channel = <0>;
+				cell-index = <0>;
+				max-frame-size = <5dc>;
+				rx-fifo-size = <1000>;
+				tx-fifo-size = <800>;
+				phy-mode = "rmii";
+				phy-map = <00000000>;
+				zmii-device = <&ZMII0>;
+				zmii-channel = <0>;
+			};
+
+			usb@ef601000 {
+				compatible = "ohci-be";
+				reg = <ef601000 80>;
+				interrupts = <8 1 9 1>;
+				interrupt-parent = < &UIC1 >;
+			};
+		};
+	};
+
+	chosen {
+		linux,stdout-path = "/plb/opb/serial@ef600300";
+	};
+};

arch/powerpc/kernel/cputable.c

@@ -1178,8 +1178,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.platform		= "ppc405",
 	},
 	{	/* 405EX */
-		.pvr_mask		= 0xffff0000,
-		.pvr_value		= 0x12910000,
+		.pvr_mask		= 0xffff0004,
+		.pvr_value		= 0x12910004,
 		.cpu_name		= "405EX",
 		.cpu_features		= CPU_FTRS_40X,
 		.cpu_user_features	= PPC_FEATURE_32 |
@@ -1189,6 +1189,18 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.machine_check		= machine_check_4xx,
 		.platform		= "ppc405",
 	},
+	{	/* 405EXr */
+		.pvr_mask		= 0xffff0004,
+		.pvr_value		= 0x12910000,
+		.cpu_name		= "405EXr",
+		.cpu_features		= CPU_FTRS_40X,
+		.cpu_user_features	= PPC_FEATURE_32 |
+			PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
+		.icache_bsize		= 32,
+		.dcache_bsize		= 32,
+		.machine_check		= machine_check_4xx,
+		.platform		= "ppc405",
+	},
 
 #endif /* CONFIG_40x */
 #ifdef CONFIG_44x
@@ -1226,6 +1238,18 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.machine_check		= machine_check_4xx,
 		.platform		= "ppc440",
 	},
+	{ /* Matches both physical and logical PVR for 440EP (logical pvr = pvr | 0x8) */
+		.pvr_mask		= 0xf0000ff7,
+		.pvr_value		= 0x400008d4,
+		.cpu_name		= "440EP Rev. C",
+		.cpu_features		= CPU_FTRS_44X,
+		.cpu_user_features	= COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
+		.icache_bsize		= 32,
+		.dcache_bsize		= 32,
+		.cpu_setup		= __setup_cpu_440ep,
+		.machine_check		= machine_check_4xx,
+		.platform		= "ppc440",
+	},
 	{ /* Use logical PVR for 440EP (logical pvr = pvr | 0x8) */
 		.pvr_mask		= 0xf0000fff,
 		.pvr_value		= 0x400008db,

arch/powerpc/platforms/40x/walnut.c

@@ -36,6 +36,7 @@ static __initdata struct of_device_id walnut_of_bus[] = {
 static int __init walnut_device_probe(void)
 {
 	of_platform_bus_probe(NULL, walnut_of_bus, NULL);
+	of_instantiate_rtc();
 
 	return 0;
 }

arch/powerpc/platforms/44x/Kconfig

@@ -13,6 +13,7 @@ config EBONY
 	default y
 	select 440GP
 	select PCI
+	select OF_RTC
 	help
 	  This option enables support for the IBM PPC440GP evaluation board.
 
@@ -53,6 +54,19 @@ config RAINIER
 	help
 	  This option enables support for the AMCC PPC440GRX evaluation board.
 
+config WARP
+	bool "PIKA Warp"
+	depends on 44x
+	default n
+	select 440EP
+	help
+	  This option enables support for the PIKA Warp(tm) Appliance. The Warp
+          is a small computer replacement with up to 9 ports of FXO/FXS plus VOIP
+	  stations and trunks.
+
+	  See http://www.pikatechnologies.com/ and follow the "PIKA for Computer
+	  Telephony Developers" link for more information.
+
 #config LUAN
 #	bool "Luan"
 #	depends on 44x
@@ -75,6 +89,7 @@ config 440EP
 	select PPC_FPU
 	select IBM440EP_ERR42
 	select IBM_NEW_EMAC_ZMII
+	select USB_ARCH_HAS_OHCI
 
 config 440EPX
 	bool

arch/powerpc/platforms/44x/Makefile

@@ -5,3 +5,5 @@ obj-$(CONFIG_BAMBOO)	+= bamboo.o
 obj-$(CONFIG_SEQUOIA)	+= sequoia.o
 obj-$(CONFIG_KATMAI)	+= katmai.o
 obj-$(CONFIG_RAINIER)	+= rainier.o
+obj-$(CONFIG_WARP)	+= warp.o
+obj-$(CONFIG_WARP)	+= warp-nand.o

arch/powerpc/platforms/44x/ebony.c

@@ -18,6 +18,7 @@
 
 #include <linux/init.h>
 #include <linux/of_platform.h>
+#include <linux/rtc.h>
 
 #include <asm/machdep.h>
 #include <asm/prom.h>
@@ -38,6 +39,7 @@ static __initdata struct of_device_id ebony_of_bus[] = {
 static int __init ebony_device_probe(void)
 {
 	of_platform_bus_probe(NULL, ebony_of_bus, NULL);
+	of_instantiate_rtc();
 
 	return 0;
 }

arch/powerpc/platforms/44x/warp-nand.c

+/*
+ * PIKA Warp(tm) NAND flash specific routines
+ *
+ * Copyright (c) 2008 PIKA Technologies
+ *   Sean MacLennan <smaclennan@pikatech.com>
+ */
+
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/ndfc.h>
+
+#ifdef CONFIG_MTD_NAND_NDFC
+
+#define CS_NAND_0	1	/* use chip select 1 for NAND device 0 */
+
+#define WARP_NAND_FLASH_REG_ADDR	0xD0000000UL
+#define WARP_NAND_FLASH_REG_SIZE	0x2000
+
+static struct resource warp_ndfc = {
+	.start = WARP_NAND_FLASH_REG_ADDR,
+	.end   = WARP_NAND_FLASH_REG_ADDR + WARP_NAND_FLASH_REG_SIZE,
+	.flags = IORESOURCE_MEM,
+};
+
+static struct mtd_partition nand_parts[] = {
+	{
+		.name   = "kernel",
+		.offset = 0,
+		.size   = 0x0200000
+	},
+	{
+		.name   = "root",
+		.offset = 0x0200000,
+		.size   = 0x3400000
+	},
+	{
+		.name   = "user",
+		.offset = 0x3600000,
+		.size   = 0x0A00000
+	},
+};
+
+struct ndfc_controller_settings warp_ndfc_settings = {
+	.ccr_settings = (NDFC_CCR_BS(CS_NAND_0) | NDFC_CCR_ARAC1),
+	.ndfc_erpn = 0,
+};
+
+static struct ndfc_chip_settings warp_chip0_settings = {
+	.bank_settings = 0x80002222,
+};
+
+struct platform_nand_ctrl warp_nand_ctrl = {
+	.priv = &warp_ndfc_settings,
+};
+
+static struct platform_device warp_ndfc_device = {
+	.name = "ndfc-nand",
+	.id = 0,
+	.dev = {
+		.platform_data = &warp_nand_ctrl,
+	},
+	.num_resources = 1,
+	.resource = &warp_ndfc,
+};
+
+static struct nand_ecclayout nand_oob_16 = {
+	.eccbytes = 3,
+	.eccpos = { 0, 1, 2, 3, 6, 7 },
+	.oobfree = { {.offset = 8, .length = 16} }
+};
+
+static struct platform_nand_chip warp_nand_chip0 = {
+	.nr_chips = 1,
+	.chip_offset = CS_NAND_0,
+	.nr_partitions = ARRAY_SIZE(nand_parts),
+	.partitions = nand_parts,
+	.chip_delay = 50,
+	.ecclayout = &nand_oob_16,
+	.priv = &warp_chip0_settings,
+};
+
+static struct platform_device warp_nand_device = {
+	.name = "ndfc-chip",
+	.id = 0,
+	.num_resources = 1,
+	.resource = &warp_ndfc,
+	.dev = {
+		.platform_data = &warp_nand_chip0,
+		.parent = &warp_ndfc_device.dev,
+	}
+};
+
+static int warp_setup_nand_flash(void)
+{
+	platform_device_register(&warp_ndfc_device);
+	platform_device_register(&warp_nand_device);
+
+	return 0;
+}
+device_initcall(warp_setup_nand_flash);
+
+#endif

arch/powerpc/platforms/44x/warp.c

+/*
+ * PIKA Warp(tm) board specific routines
+ *
+ * Copyright (c) 2008 PIKA Technologies
+ *   Sean MacLennan <smaclennan@pikatech.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.
+ */
+#include <linux/init.h>
+#include <linux/of_platform.h>
+#include <linux/kthread.h>
+
+#include <asm/machdep.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <asm/time.h>
+#include <asm/uic.h>
+
+#include "44x.h"
+
+
+static __initdata struct of_device_id warp_of_bus[] = {
+	{ .compatible = "ibm,plb4", },
+	{ .compatible = "ibm,opb", },
+	{ .compatible = "ibm,ebc", },
+	{},
+};
+
+static int __init warp_device_probe(void)
+{
+	of_platform_bus_probe(NULL, warp_of_bus, NULL);
+	return 0;
+}
+machine_device_initcall(warp, warp_device_probe);
+
+static int __init warp_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	return of_flat_dt_is_compatible(root, "pika,warp");
+}
+
+define_machine(warp) {
+	.name		= "Warp",
+	.probe 		= warp_probe,
+	.progress 	= udbg_progress,
+	.init_IRQ 	= uic_init_tree,
+	.get_irq 	= uic_get_irq,
+	.restart	= ppc44x_reset_system,
+	.calibrate_decr = generic_calibrate_decr,
+};
+
+
+#define LED_GREEN (0x80000000 >> 0)
+#define LED_RED   (0x80000000 >> 1)
+
+
+/* This is for the power LEDs 1 = on, 0 = off, -1 = leave alone */
+void warp_set_power_leds(int green, int red)
+{
+	static void __iomem *gpio_base = NULL;
+	unsigned leds;
+
+	if (gpio_base == NULL) {
+		struct device_node *np;
+
+		/* Power LEDS are on the second GPIO controller */
+		np = of_find_compatible_node(NULL, NULL, "ibm,gpio-440EP");
+		if (np)
+			np = of_find_compatible_node(np, NULL, "ibm,gpio-440EP");
+		if (np == NULL) {
+			printk(KERN_ERR __FILE__ ": Unable to find gpio\n");
+			return;
+		}
+
+		gpio_base = of_iomap(np, 0);
+		of_node_put(np);
+		if (gpio_base == NULL) {
+			printk(KERN_ERR __FILE__ ": Unable to map gpio");
+			return;
+		}
+	}
+
+	leds = in_be32(gpio_base);
+
+	switch (green) {
+	case 0: leds &= ~LED_GREEN; break;
+	case 1: leds |=  LED_GREEN; break;
+	}
+	switch (red) {
+	case 0: leds &= ~LED_RED; break;
+	case 1: leds |=  LED_RED; break;
+	}
+
+	out_be32(gpio_base, leds);
+}
+EXPORT_SYMBOL(warp_set_power_leds);
+
+
+#ifdef CONFIG_SENSORS_AD7414
+static int pika_dtm_thread(void __iomem *fpga)
+{
+	extern int ad7414_get_temp(int index);
+
+	while (!kthread_should_stop()) {
+		int temp = ad7414_get_temp(0);
+
+		out_be32(fpga, temp);
+
+		set_current_state(TASK_INTERRUPTIBLE);
+		schedule_timeout(HZ);
+	}
+
+	return 0;
+}
+
+static int __init pika_dtm_start(void)
+{
+	struct task_struct *dtm_thread;
+	struct device_node *np;
+	struct resource res;
+	void __iomem *fpga;
+
+	np = of_find_compatible_node(NULL, NULL, "pika,fpga");
+	if (np == NULL)
+		return -ENOENT;
+
+	/* We do not call of_iomap here since it would map in the entire
+	 * fpga space, which is over 8k.
+	 */
+	if (of_address_to_resource(np, 0, &res)) {
+		of_node_put(np);
+		return -ENOENT;
+	}
+	of_node_put(np);
+
+	fpga = ioremap(res.start + 0x20, 4);
+	if (fpga == NULL)
+		return -ENOENT;
+
+	dtm_thread = kthread_run(pika_dtm_thread, fpga + 0x20, "pika-dtm");
+	if (IS_ERR(dtm_thread)) {
+		iounmap(fpga);
+		return PTR_ERR(dtm_thread);
+	}
+
+	return 0;
+}
+device_initcall(pika_dtm_start);
+#endif

arch/powerpc/platforms/Kconfig

@@ -321,6 +321,12 @@ config FSL_ULI1575
 config CPM
 	bool
 
+config OF_RTC
+	bool
+	help
+	  Uses information from the OF or flattened device tree to instatiate
+	  platform devices for direct mapped RTC chips like the DS1742 or DS1743.
+
 source "arch/powerpc/sysdev/bestcomm/Kconfig"
 
 endmenu

arch/powerpc/sysdev/Makefile

@@ -28,6 +28,7 @@ obj-$(CONFIG_PPC_I8259)		+= i8259.o
 obj-$(CONFIG_IPIC)		+= ipic.o
 obj-$(CONFIG_4xx)		+= uic.o
 obj-$(CONFIG_XILINX_VIRTEX)	+= xilinx_intc.o
+obj-$(CONFIG_OF_RTC)		+= of_rtc.o
 ifeq ($(CONFIG_PCI),y)
 obj-$(CONFIG_4xx)		+= ppc4xx_pci.o
 endif

arch/powerpc/sysdev/of_rtc.c

+/*
+ * Instantiate mmio-mapped RTC chips based on device tree information
+ *
+ * Copyright 2007 David Gibson <dwg@au1.ibm.com>, IBM Corporation.
+ *
+ * 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/of.h>
+#include <linux/init.h>
+#include <linux/of_platform.h>
+
+static __initdata struct {
+	const char *compatible;
+	char *plat_name;
+} of_rtc_table[] = {
+	{ "ds1743-nvram", "rtc-ds1742" },
+};
+
+void __init of_instantiate_rtc(void)
+{
+	struct device_node *node;
+	int err;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(of_rtc_table); i++) {
+		char *plat_name = of_rtc_table[i].plat_name;
+
+		for_each_compatible_node(node, NULL,
+					 of_rtc_table[i].compatible) {
+			struct resource *res;
+
+			res = kmalloc(sizeof(*res), GFP_KERNEL);
+			if (!res) {
+				printk(KERN_ERR "OF RTC: Out of memory "
+				       "allocating resource structure for %s\n",
+				       node->full_name);
+				continue;
+			}
+
+			err = of_address_to_resource(node, 0, res);
+			if (err) {
+				printk(KERN_ERR "OF RTC: Error "
+				       "translating resources for %s\n",
+				       node->full_name);
+				continue;
+			}
+
+			printk(KERN_INFO "OF_RTC: %s is a %s @ 0x%llx-0x%llx\n",
+			       node->full_name, plat_name,
+			       (unsigned long long)res->start,
+			       (unsigned long long)res->end);
+			platform_device_register_simple(plat_name, -1, res, 1);
+		}
+	}
+}

include/asm-powerpc/of_platform.h

@@ -37,4 +37,6 @@ extern int of_platform_bus_probe(struct device_node *root,
 
 extern struct of_device *of_find_device_by_phandle(phandle ph);
 
+extern void of_instantiate_rtc(void);
+
 #endif	/* _ASM_POWERPC_OF_PLATFORM_H */