Merge tag 'mvebu-soc-3.15-2' of git://git.infradead.org/linux-mvebu i…

…nto next/soc

Merge "mvebu soc changes for v3.15 (incremental pull #2)" from Jason Cooper:

 - mvebu
    - Add Armada 375, 380 and 385 SoCs

 - kirkwood
    - move kirkwood DT support to mach-mvebu
    - add mostly DT support for HP T5325 thin client

* tag 'mvebu-soc-3.15-2' of git://git.infradead.org/linux-mvebu:
  ARM: kirkwood: Add HP T5325 thin client
  ARM: kirkwood: select dtbs based on SoC
  ARM: kirkwood: Remove redundant kexec code
  ARM: mvebu: Armada 375/38x depend on MULTI_V7
  ARM: mvebu: Simplify headers and make local
  ARM: mvebu: Enable mvebu-soc-id on Kirkwood
  ARM: mvebu: Let kirkwood use the system controller for restart
  ARM: mvebu: Move kirkwood DT boards into mach-mvebu
  ARM: MM Enable building Feroceon L2 cache controller with ARCH_MVEBU
  ARM: Fix default CPU selection for ARCH_MULTI_V5
  ARM: MM: Add DT binding for Feroceon L2 cache
  ARM: orion: Move cache-feroceon-l2.h out of plat-orion
  ARM: mvebu: Add ARCH_MULTI_V7 to SoCs
  ARM: kirkwood: ioremap memory control register
  ARM: kirkwood: ioremap the cpu_config register before using it.
  ARM: kirkwood: Separate board-dt from common and pcie code.
  ARM: kirkwood: Drop printing the SoC type and revision
  ARM: kirkwood: Convert mv88f6281gtw_ge switch setup to DT
  ARM: kirkwood: Give pm.c its own header file.
  ARM: mvebu: Rename the ARCH_MVEBU menu option

Signed-off-by: Arnd Bergmann <[email protected]>

Documentation/devicetree/bindings/arm/mrvl/feroceon.txt

@@ -0,0 +1,16 @@
+* Marvell Feroceon Cache
+
+Required properties:
+- compatible : Should be either "marvell,feroceon-cache" or
+  	       "marvell,kirkwood-cache".
+
+Optional properties:
+- reg        : Address of the L2 cache control register. Mandatory for
+  	       "marvell,kirkwood-cache", not used by "marvell,feroceon-cache"
+
+
+Example:
+		l2: l2-cache@20128 {
+			compatible = "marvell,kirkwood-cache";
+			reg = <0x20128 0x4>;
+		};

arch/arm/Kconfig

@@ -898,7 +898,7 @@ config ARCH_MULTI_V5
 	bool "ARMv5 based platforms (ARM926T, XSCALE, PJ1, ...)"
 	depends on !ARCH_MULTI_V6_V7
 	select ARCH_MULTI_V4_V5
-	select CPU_ARM926T if (!CPU_ARM946E || CPU_ARM1020 || \
+	select CPU_ARM926T if !(CPU_ARM946E || CPU_ARM1020 || \
 		CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || \
 		CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_FEROCEON)
 

arch/arm/boot/dts/Makefile

@@ -82,8 +82,8 @@ dtb-$(CONFIG_ARCH_HIGHBANK) += highbank.dtb \
 	ecx-2000.dtb
 dtb-$(CONFIG_ARCH_INTEGRATOR) += integratorap.dtb \
 	integratorcp.dtb
-dtb-$(CONFIG_ARCH_LPC32XX) += ea3250.dtb phy3250.dtb
-dtb-$(CONFIG_ARCH_KIRKWOOD) += kirkwood-cloudbox.dtb \
+kirkwood := \
+	kirkwood-cloudbox.dtb \
 	kirkwood-db-88f6281.dtb \
 	kirkwood-db-88f6282.dtb \
 	kirkwood-dns320.dtb \
@@ -117,6 +117,9 @@ dtb-$(CONFIG_ARCH_KIRKWOOD) += kirkwood-cloudbox.dtb \
 	kirkwood-topkick.dtb \
 	kirkwood-ts219-6281.dtb \
 	kirkwood-ts219-6282.dtb
+dtb-$(CONFIG_ARCH_KIRKWOOD) += $(kirkwood)
+dtb-$(CONFIG_MACH_KIRKWOOD) += $(kirkwood)
+dtb-$(CONFIG_ARCH_LPC32XX) += ea3250.dtb phy3250.dtb
 dtb-$(CONFIG_ARCH_MARCO) += marco-evb.dtb
 dtb-$(CONFIG_ARCH_MOXART) += moxart-uc7112lx.dtb
 dtb-$(CONFIG_ARCH_MVEBU) += armada-370-db.dtb \

arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts

@@ -122,4 +122,66 @@
 			gpios = <&gpio1 14 GPIO_ACTIVE_LOW>;
 		};
 	};
+
+	dsa@0 {
+		compatible = "marvell,dsa";
+		#address-cells = <2>;
+		#size-cells = <0>;
+
+		dsa,ethernet = <&eth0>;
+		dsa,mii-bus = <&ethphy0>;
+
+		switch@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0 0>;	/* MDIO address 0, switch 0 in tree */
+
+			port@0 {
+				reg = <0>;
+				label = "lan1";
+			};
+
+			port@1 {
+				reg = <1>;
+				label = "lan2";
+			};
+
+			port@2 {
+				reg = <2>;
+				label = "lan3";
+			};
+
+			port@3 {
+				reg = <3>;
+				label = "lan4";
+			};
+
+			port@4 {
+				reg = <4>;
+				label = "wan";
+			};
+
+			port@5 {
+				reg = <5>;
+				label = "cpu";
+			};
+		};
+	};
+};
+
+&mdio {
+	status = "okay";
+
+	ethphy0: ethernet-phy@ff {
+		reg = <0xff>; 	/* No phy attached */
+		speed = <1000>;
+		duplex = <1>;
+	};
+};
+
+&eth0 {
+	status = "okay";
+	ethernet0-port@0 {
+		phy-handle = <&ethphy0>;
+	};
 };

arch/arm/plat-orion/include/plat/cache-feroceon-l2.h → arch/arm/include/asm/hardware/cache-feroceon-l2.h

@@ -1,5 +1,5 @@
 /*
- * arch/arm/plat-orion/include/plat/cache-feroceon-l2.h
+ * arch/arm/include/asm/hardware/cache-feroceon-l2.h
  *
  * Copyright (C) 2008 Marvell Semiconductor
  *
@@ -9,3 +9,5 @@
  */
 
 extern void __init feroceon_l2_init(int l2_wt_override);
+extern int __init feroceon_of_init(void);
+

arch/arm/mach-kirkwood/Kconfig

@@ -106,13 +106,6 @@ config ARCH_KIRKWOOD_DT
 	  Say 'Y' here if you want your kernel to support the
 	  Marvell Kirkwood using flattened device tree.
 
-config MACH_MV88F6281GTW_GE_DT
-	bool "Marvell 88F6281 GTW GE Board (Flattened Device Tree)"
-	depends on ARCH_KIRKWOOD_DT
-	help
-	  Say 'Y' here if you want your kernel to support the
-	  Marvell 88F6281 GTW GE Board (Flattened Device Tree).
-
 endmenu
 
 endif

arch/arm/mach-kirkwood/Makefile

@@ -1,5 +1,4 @@
-obj-y				+= common.o pcie.o
-obj-$(CONFIG_KIRKWOOD_LEGACY)	+= irq.o mpp.o
+obj-$(CONFIG_KIRKWOOD_LEGACY)	+= irq.o mpp.o common.o pcie.o
 obj-$(CONFIG_PM)		+= pm.o
 
 obj-$(CONFIG_MACH_D2NET_V2)		+= d2net_v2-setup.o lacie_v2-common.o
@@ -13,4 +12,3 @@ obj-$(CONFIG_MACH_TS219)		+= ts219-setup.o tsx1x-common.o
 obj-$(CONFIG_MACH_TS41X)		+= ts41x-setup.o tsx1x-common.o
 
 obj-$(CONFIG_ARCH_KIRKWOOD_DT)		+= board-dt.o
-obj-$(CONFIG_MACH_MV88F6281GTW_GE_DT)	+= board-mv88f6281gtw_ge.o

arch/arm/mach-kirkwood/board-dt.c

@@ -19,11 +19,84 @@
 #include <linux/of_platform.h>
 #include <linux/dma-mapping.h>
 #include <linux/irqchip.h>
-#include <linux/kexec.h>
+#include <asm/hardware/cache-feroceon-l2.h>
 #include <asm/mach/arch.h>
+#include <asm/mach/map.h>
 #include <mach/bridge-regs.h>
 #include <plat/common.h>
-#include "common.h"
+#include <plat/pcie.h>
+#include "pm.h"
+
+static struct map_desc kirkwood_io_desc[] __initdata = {
+	{
+		.virtual	= (unsigned long) KIRKWOOD_REGS_VIRT_BASE,
+		.pfn		= __phys_to_pfn(KIRKWOOD_REGS_PHYS_BASE),
+		.length		= KIRKWOOD_REGS_SIZE,
+		.type		= MT_DEVICE,
+	},
+};
+
+static void __init kirkwood_map_io(void)
+{
+	iotable_init(kirkwood_io_desc, ARRAY_SIZE(kirkwood_io_desc));
+}
+
+static struct resource kirkwood_cpufreq_resources[] = {
+	[0] = {
+		.start  = CPU_CONTROL_PHYS,
+		.end    = CPU_CONTROL_PHYS + 3,
+		.flags  = IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device kirkwood_cpufreq_device = {
+	.name		= "kirkwood-cpufreq",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(kirkwood_cpufreq_resources),
+	.resource	= kirkwood_cpufreq_resources,
+};
+
+static void __init kirkwood_cpufreq_init(void)
+{
+	platform_device_register(&kirkwood_cpufreq_device);
+}
+
+static struct resource kirkwood_cpuidle_resource[] = {
+	{
+		.flags	= IORESOURCE_MEM,
+		.start	= DDR_OPERATION_BASE,
+		.end	= DDR_OPERATION_BASE + 3,
+	},
+};
+
+static struct platform_device kirkwood_cpuidle = {
+	.name		= "kirkwood_cpuidle",
+	.id		= -1,
+	.resource	= kirkwood_cpuidle_resource,
+	.num_resources	= 1,
+};
+
+static void __init kirkwood_cpuidle_init(void)
+{
+	platform_device_register(&kirkwood_cpuidle);
+}
+
+/* Temporary here since mach-mvebu has a function we can use */
+static void kirkwood_restart(enum reboot_mode mode, const char *cmd)
+{
+	/*
+	 * Enable soft reset to assert RSTOUTn.
+	 */
+	writel(SOFT_RESET_OUT_EN, RSTOUTn_MASK);
+
+	/*
+	 * Assert soft reset.
+	 */
+	writel(SOFT_RESET, SYSTEM_SOFT_RESET);
+
+	while (1)
+		;
+}
 
 #define MV643XX_ETH_MAC_ADDR_LOW	0x0414
 #define MV643XX_ETH_MAC_ADDR_HIGH	0x0418
@@ -104,35 +177,35 @@ static void __init kirkwood_dt_eth_fixup(void)
 	}
 }
 
-static void __init kirkwood_dt_init(void)
+/*
+ * Disable propagation of mbus errors to the CPU local bus, as this
+ * causes mbus errors (which can occur for example for PCI aborts) to
+ * throw CPU aborts, which we're not set up to deal with.
+ */
+static void __init kirkwood_disable_mbus_error_propagation(void)
 {
-	pr_info("Kirkwood: %s.\n", kirkwood_id());
+	void __iomem *cpu_config;
 
-	/*
-	 * Disable propagation of mbus errors to the CPU local bus,
-	 * as this causes mbus errors (which can occur for example
-	 * for PCI aborts) to throw CPU aborts, which we're not set
-	 * up to deal with.
-	 */
-	writel(readl(CPU_CONFIG) & ~CPU_CONFIG_ERROR_PROP, CPU_CONFIG);
+	cpu_config = ioremap(CPU_CONFIG_PHYS, 4);
+	writel(readl(cpu_config) & ~CPU_CONFIG_ERROR_PROP, cpu_config);
+	iounmap(cpu_config);
+}
 
-	BUG_ON(mvebu_mbus_dt_init());
+static void __init kirkwood_dt_init(void)
+{
+	kirkwood_disable_mbus_error_propagation();
 
-	kirkwood_l2_init();
+	BUG_ON(mvebu_mbus_dt_init());
 
+#ifdef CONFIG_CACHE_FEROCEON_L2
+	feroceon_of_init();
+#endif
 	kirkwood_cpufreq_init();
 	kirkwood_cpuidle_init();
 
 	kirkwood_pm_init();
 	kirkwood_dt_eth_fixup();
 
-#ifdef CONFIG_KEXEC
-	kexec_reinit = kirkwood_enable_pcie;
-#endif
-
-	if (of_machine_is_compatible("marvell,mv88f6281gtw-ge"))
-		mv88f6281gtw_ge_init();
-
 	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
 }
 

arch/arm/mach-kirkwood/common.c

@@ -25,17 +25,18 @@
 #include <asm/page.h>
 #include <asm/mach/map.h>
 #include <asm/mach/time.h>
+#include <asm/hardware/cache-feroceon-l2.h>
 #include <mach/kirkwood.h>
 #include <mach/bridge-regs.h>
 #include <linux/platform_data/asoc-kirkwood.h>
-#include <plat/cache-feroceon-l2.h>
 #include <linux/platform_data/mmc-mvsdio.h>
 #include <linux/platform_data/mtd-orion_nand.h>
 #include <linux/platform_data/usb-ehci-orion.h>
 #include <plat/common.h>
 #include <plat/time.h>
 #include <linux/platform_data/dma-mv_xor.h>
 #include "common.h"
+#include "pm.h"
 
 /* These can go away once Kirkwood uses the mvebu-mbus DT binding */
 #define KIRKWOOD_MBUS_NAND_TARGET 0x01

arch/arm/mach-kirkwood/common.h

@@ -58,19 +58,6 @@ void kirkwood_cpufreq_init(void);
 void kirkwood_restart(enum reboot_mode, const char *);
 void kirkwood_clk_init(void);
 
-#ifdef CONFIG_PM
-void kirkwood_pm_init(void);
-#else
-static inline void kirkwood_pm_init(void) {};
-#endif
-
-/* board init functions for boards not fully converted to fdt */
-#ifdef CONFIG_MACH_MV88F6281GTW_GE_DT
-void mv88f6281gtw_ge_init(void);
-#else
-static inline void mv88f6281gtw_ge_init(void) {};
-#endif
-
 /* early init functions not converted to fdt yet */
 char *kirkwood_id(void);
 void kirkwood_l2_init(void);

arch/arm/mach-kirkwood/include/mach/bridge-regs.h

@@ -14,6 +14,7 @@
 #include <mach/kirkwood.h>
 
 #define CPU_CONFIG		(BRIDGE_VIRT_BASE + 0x0100)
+#define CPU_CONFIG_PHYS		(BRIDGE_PHYS_BASE + 0x0100)
 #define CPU_CONFIG_ERROR_PROP	0x00000004
 
 #define CPU_CONTROL		(BRIDGE_VIRT_BASE + 0x0104)
@@ -79,5 +80,6 @@
 #define CGC_RESERVED		(0x6 << 21)
 
 #define MEMORY_PM_CTRL		(BRIDGE_VIRT_BASE + 0x118)
+#define MEMORY_PM_CTRL_PHYS	(BRIDGE_PHYS_BASE + 0x118)
 
 #endif