Merge branch 'for-rmk' of git://git.marvell.com/orion

Merge branch 'orion-devel' into devel

arch/arm/Kconfig

@@ -441,7 +441,7 @@ config ARCH_ORION5X
 	help
 	  Support for the following Marvell Orion 5x series SoCs:
 	  Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182),
-	  Orion-2 (5281).
+	  Orion-2 (5281), Orion-1-90 (6183).
 
 config ARCH_PNX4008
 	bool "Philips Nexperia PNX4008 Mobile"

arch/arm/configs/orion5x_defconfig

@@ -176,14 +176,17 @@ CONFIG_MACH_KUROBOX_PRO=y
 CONFIG_MACH_DNS323=y
 CONFIG_MACH_TS209=y
 CONFIG_MACH_LINKSTATION_PRO=y
+CONFIG_MACH_LINKSTATION_MINI=y
 CONFIG_MACH_TS409=y
 CONFIG_MACH_WRT350N_V2=y
 CONFIG_MACH_TS78XX=y
 CONFIG_MACH_MV2120=y
+CONFIG_MACH_EDMINI_V2=y
 CONFIG_MACH_MSS2=y
 CONFIG_MACH_WNR854T=y
 CONFIG_MACH_RD88F5181L_GE=y
 CONFIG_MACH_RD88F5181L_FXO=y
+CONFIG_MACH_RD88F6183AP_GE=y
 
 #
 # Boot options

arch/arm/mach-kirkwood/addr-map.c

@@ -48,6 +48,7 @@
 
 
 struct mbus_dram_target_info kirkwood_mbus_dram_info;
+static int __initdata win_alloc_count;
 
 static int __init cpu_win_can_remap(int win)
 {
@@ -111,6 +112,8 @@ void __init kirkwood_setup_cpu_mbus(void)
 	setup_cpu_win(2, KIRKWOOD_NAND_MEM_PHYS_BASE, KIRKWOOD_NAND_MEM_SIZE,
 		      TARGET_DEV_BUS, ATTR_DEV_NAND, -1);
 
+	win_alloc_count = 3;
+
 	/*
 	 * Setup MBUS dram target info.
 	 */
@@ -137,3 +140,8 @@ void __init kirkwood_setup_cpu_mbus(void)
 	}
 	kirkwood_mbus_dram_info.num_cs = cs;
 }
+
+void __init kirkwood_setup_sram_win(u32 base, u32 size)
+{
+	setup_cpu_win(win_alloc_count++, base, size, 0x03, 0x00, -1);
+}

arch/arm/mach-kirkwood/common.c

@@ -98,7 +98,6 @@ void __init kirkwood_ehci_init(void)
  * GE00
  ****************************************************************************/
 struct mv643xx_eth_shared_platform_data kirkwood_ge00_shared_data = {
-	.t_clk		= KIRKWOOD_TCLK,
 	.dram		= &kirkwood_mbus_dram_info,
 };
 
@@ -108,6 +107,11 @@ static struct resource kirkwood_ge00_shared_resources[] = {
 		.start	= GE00_PHYS_BASE + 0x2000,
 		.end	= GE00_PHYS_BASE + 0x3fff,
 		.flags	= IORESOURCE_MEM,
+	}, {
+		.name	= "ge00 err irq",
+		.start	= IRQ_KIRKWOOD_GE00_ERR,
+		.end	= IRQ_KIRKWOOD_GE00_ERR,
+		.flags	= IORESOURCE_IRQ,
 	},
 };
 
@@ -117,7 +121,7 @@ static struct platform_device kirkwood_ge00_shared = {
 	.dev		= {
 		.platform_data	= &kirkwood_ge00_shared_data,
 	},
-	.num_resources	= 1,
+	.num_resources	= ARRAY_SIZE(kirkwood_ge00_shared_resources),
 	.resource	= kirkwood_ge00_shared_resources,
 };
 
@@ -201,7 +205,6 @@ void __init kirkwood_sata_init(struct mv_sata_platform_data *sata_data)
  * SPI
  ****************************************************************************/
 static struct orion_spi_info kirkwood_spi_plat_data = {
-	.tclk		= KIRKWOOD_TCLK,
 };
 
 static struct resource kirkwood_spi_resources[] = {
@@ -239,7 +242,7 @@ static struct plat_serial8250_port kirkwood_uart0_data[] = {
 		.flags		= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 		.iotype		= UPIO_MEM,
 		.regshift	= 2,
-		.uartclk	= KIRKWOOD_TCLK,
+		.uartclk	= 0,
 	}, {
 	},
 };
@@ -283,7 +286,7 @@ static struct plat_serial8250_port kirkwood_uart1_data[] = {
 		.flags		= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 		.iotype		= UPIO_MEM,
 		.regshift	= 2,
-		.uartclk	= KIRKWOOD_TCLK,
+		.uartclk	= 0,
 	}, {
 	},
 };
@@ -525,9 +528,23 @@ void __init kirkwood_xor1_init(void)
 /*****************************************************************************
  * Time handling
  ****************************************************************************/
+int kirkwood_tclk;
+
+int __init kirkwood_find_tclk(void)
+{
+	u32 dev, rev;
+
+	kirkwood_pcie_id(&dev, &rev);
+	if (dev == MV88F6281_DEV_ID && rev == MV88F6281_REV_A0)
+		return 200000000;
+
+	return 166666667;
+}
+
 static void kirkwood_timer_init(void)
 {
-	orion_time_init(IRQ_KIRKWOOD_BRIDGE, KIRKWOOD_TCLK);
+	kirkwood_tclk = kirkwood_find_tclk();
+	orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk);
 }
 
 struct sys_timer kirkwood_timer = {
@@ -538,33 +555,62 @@ struct sys_timer kirkwood_timer = {
 /*****************************************************************************
  * General
  ****************************************************************************/
+/*
+ * Identify device ID and revision.
+ */
 static char * __init kirkwood_id(void)
 {
-	switch (readl(DEVICE_ID) & 0x3) {
-	case 0:
-		return "88F6180";
-	case 1:
-		return "88F6192";
-	case 2:
-		return "88F6281";
+	u32 dev, rev;
+
+	kirkwood_pcie_id(&dev, &rev);
+
+	if (dev == MV88F6281_DEV_ID) {
+		if (rev == MV88F6281_REV_Z0)
+			return "MV88F6281-Z0";
+		else if (rev == MV88F6281_REV_A0)
+			return "MV88F6281-A0";
+		else
+			return "MV88F6281-Rev-Unsupported";
+	} else if (dev == MV88F6192_DEV_ID) {
+		if (rev == MV88F6192_REV_Z0)
+			return "MV88F6192-Z0";
+		else if (rev == MV88F6192_REV_A0)
+			return "MV88F6192-A0";
+		else
+			return "MV88F6192-Rev-Unsupported";
+	} else if (dev == MV88F6180_DEV_ID) {
+		if (rev == MV88F6180_REV_A0)
+			return "MV88F6180-Rev-A0";
+		else
+			return "MV88F6180-Rev-Unsupported";
+	} else {
+		return "Device-Unknown";
 	}
-
-	return "unknown 88F6000 variant";
 }
 
-static int __init is_l2_writethrough(void)
+static void __init kirkwood_l2_init(void)
 {
-	return !!(readl(L2_CONFIG_REG) & L2_WRITETHROUGH);
+#ifdef CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH
+	writel(readl(L2_CONFIG_REG) | L2_WRITETHROUGH, L2_CONFIG_REG);
+	feroceon_l2_init(1);
+#else
+	writel(readl(L2_CONFIG_REG) & ~L2_WRITETHROUGH, L2_CONFIG_REG);
+	feroceon_l2_init(0);
+#endif
 }
 
 void __init kirkwood_init(void)
 {
 	printk(KERN_INFO "Kirkwood: %s, TCLK=%d.\n",
-		kirkwood_id(), KIRKWOOD_TCLK);
+		kirkwood_id(), kirkwood_tclk);
+	kirkwood_ge00_shared_data.t_clk = kirkwood_tclk;
+	kirkwood_spi_plat_data.tclk = kirkwood_tclk;
+	kirkwood_uart0_data[0].uartclk = kirkwood_tclk;
+	kirkwood_uart1_data[0].uartclk = kirkwood_tclk;
 
 	kirkwood_setup_cpu_mbus();
 
 #ifdef CONFIG_CACHE_FEROCEON_L2
-	feroceon_l2_init(is_l2_writethrough());
+	kirkwood_l2_init();
 #endif
 }

arch/arm/mach-kirkwood/common.h

@@ -23,10 +23,9 @@ void kirkwood_init_irq(void);
 
 extern struct mbus_dram_target_info kirkwood_mbus_dram_info;
 void kirkwood_setup_cpu_mbus(void);
-void kirkwood_setup_pcie_io_win(int window, u32 base, u32 size,
-				int maj, int min);
-void kirkwood_setup_pcie_mem_win(int window, u32 base, u32 size,
-				 int maj, int min);
+void kirkwood_setup_sram_win(u32 base, u32 size);
+
+void kirkwood_pcie_id(u32 *dev, u32 *rev);
 
 void kirkwood_ehci_init(void);
 void kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data);

arch/arm/mach-kirkwood/db88f6281-bp-setup.c

@@ -44,7 +44,6 @@ static void __init db88f6281_init(void)
 	kirkwood_rtc_init();
 	kirkwood_sata_init(&db88f6281_sata_data);
 	kirkwood_uart0_init();
-	kirkwood_uart1_init();
 }
 
 static int __init db88f6281_pci_init(void)

arch/arm/mach-kirkwood/include/mach/irqs.h

@@ -50,6 +50,7 @@
 #define IRQ_KIRKWOOD_GPIO_HIGH_0_7	39
 #define IRQ_KIRKWOOD_GPIO_HIGH_8_15	40
 #define IRQ_KIRKWOOD_GPIO_HIGH_16_23	41
+#define IRQ_KIRKWOOD_GE00_ERR	46
 
 /*
  * KIRKWOOD General Purpose Pins

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

@@ -67,6 +67,20 @@
 #define  L2_CONFIG_REG		(BRIDGE_VIRT_BASE | 0x0128)
 #define   L2_WRITETHROUGH	0x00000010
 
+/*
+ * Supported devices and revisions.
+ */
+#define MV88F6281_DEV_ID	0x6281
+#define MV88F6281_REV_Z0	0
+#define MV88F6281_REV_A0	2
+
+#define MV88F6192_DEV_ID	0x6192
+#define MV88F6192_REV_Z0	0
+#define MV88F6192_REV_A0	2
+
+#define MV88F6180_DEV_ID	0x6180
+#define MV88F6180_REV_A0	2
+
 /*
  * Register Map
  */

arch/arm/mach-kirkwood/include/mach/timex.h

@@ -8,4 +8,3 @@
 
 #define CLOCK_TICK_RATE		(100 * HZ)
 
-#define KIRKWOOD_TCLK		166666667

arch/arm/mach-kirkwood/pcie.c

@@ -18,6 +18,12 @@
 
 #define PCIE_BASE	((void __iomem *)PCIE_VIRT_BASE)
 
+void __init kirkwood_pcie_id(u32 *dev, u32 *rev)
+{
+	*dev = orion_pcie_dev_id(PCIE_BASE);
+	*rev = orion_pcie_rev(PCIE_BASE);
+}
+
 static int pcie_valid_config(int bus, int dev)
 {
 	/*

arch/arm/mach-kirkwood/rd88f6281-setup.c

@@ -90,7 +90,6 @@ static void __init rd88f6281_init(void)
 	kirkwood_rtc_init();
 	kirkwood_sata_init(&rd88f6281_sata_data);
 	kirkwood_uart0_init();
-	kirkwood_uart1_init();
 
 	platform_device_register(&rd88f6281_nand_flash);
 }

arch/arm/mach-mv78xx0/common.c

@@ -285,6 +285,11 @@ static struct resource mv78xx0_ge00_shared_resources[] = {
 		.start	= GE00_PHYS_BASE + 0x2000,
 		.end	= GE00_PHYS_BASE + 0x3fff,
 		.flags	= IORESOURCE_MEM,
+	}, {
+		.name	= "ge err irq",
+		.start	= IRQ_MV78XX0_GE_ERR,
+		.end	= IRQ_MV78XX0_GE_ERR,
+		.flags	= IORESOURCE_IRQ,
 	},
 };
 
@@ -294,7 +299,7 @@ static struct platform_device mv78xx0_ge00_shared = {
 	.dev		= {
 		.platform_data	= &mv78xx0_ge00_shared_data,
 	},
-	.num_resources	= 1,
+	.num_resources	= ARRAY_SIZE(mv78xx0_ge00_shared_resources),
 	.resource	= mv78xx0_ge00_shared_resources,
 };
 

arch/arm/mach-mv78xx0/include/mach/entry-macro.S

@@ -26,14 +26,22 @@
 	ldr	\tmp, [\base, #IRQ_MASK_LOW_OFF]
 	mov	\irqnr, #31
 	ands	\irqstat, \irqstat, \tmp
+	bne	1001f
 
 	@ if no low interrupts set, check high interrupts
-	ldreq	\irqstat, [\base, #IRQ_CAUSE_HIGH_OFF]
-	ldreq	\tmp, [\base, #IRQ_MASK_HIGH_OFF]
-	moveq	\irqnr, #63
-	andeqs	\irqstat, \irqstat, \tmp
+	ldr	\irqstat, [\base, #IRQ_CAUSE_HIGH_OFF]
+	ldr	\tmp, [\base, #IRQ_MASK_HIGH_OFF]
+	mov	\irqnr, #63
+	ands	\irqstat, \irqstat, \tmp
+	bne	1001f
+
+	@ if no high interrupts set, check error interrupts
+	ldr	\irqstat, [\base, #IRQ_CAUSE_ERR_OFF]
+	ldr	\tmp, [\base, #IRQ_MASK_ERR_OFF]
+	mov	\irqnr, #95
+	ands	\irqstat, \irqstat, \tmp
 
 	@ find first active interrupt source
-	clzne	\irqstat, \irqstat
+1001:	clzne	\irqstat, \irqstat
 	subne	\irqnr, \irqnr, \irqstat
 	.endm

arch/arm/mach-mv78xx0/include/mach/irqs.h

@@ -79,10 +79,15 @@
 #define IRQ_MV78XX0_DB_IN	60
 #define IRQ_MV78XX0_DB_OUT	61
 
+/*
+ * MV78xx0 Error Interrupt Controller
+ */
+#define IRQ_MV78XX0_GE_ERR	70
+
 /*
  * MV78XX0 General Purpose Pins
  */
-#define IRQ_MV78XX0_GPIO_START	64
+#define IRQ_MV78XX0_GPIO_START	96
 #define NR_GPIO_IRQS		GPIO_MAX
 
 #define NR_IRQS			(IRQ_MV78XX0_GPIO_START + NR_GPIO_IRQS)

arch/arm/mach-mv78xx0/include/mach/mv78xx0.h

@@ -71,8 +71,10 @@
 #define   BRIDGE_INT_TIMER1	0x0004
 #define   BRIDGE_INT_TIMER1_CLR	(~0x0004)
 #define  IRQ_VIRT_BASE		(BRIDGE_VIRT_BASE | 0x0200)
+#define   IRQ_CAUSE_ERR_OFF	0x0000
 #define   IRQ_CAUSE_LOW_OFF	0x0004
 #define   IRQ_CAUSE_HIGH_OFF	0x0008
+#define   IRQ_MASK_ERR_OFF	0x000c
 #define   IRQ_MASK_LOW_OFF	0x0010
 #define   IRQ_MASK_HIGH_OFF	0x0014
 #define  TIMER_VIRT_BASE	(BRIDGE_VIRT_BASE | 0x0300)

arch/arm/mach-mv78xx0/irq.c

@@ -19,4 +19,5 @@ void __init mv78xx0_init_irq(void)
 {
 	orion_irq_init(0, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_LOW_OFF));
 	orion_irq_init(32, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_HIGH_OFF));
+	orion_irq_init(64, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_ERR_OFF));
 }

arch/arm/mach-orion5x/Kconfig

@@ -36,6 +36,12 @@ config MACH_TS209
 	  Say 'Y' here if you want your kernel to support the
 	  QNAP TS-109/TS-209 platform.
 
+config MACH_TERASTATION_PRO2
+	bool "Buffalo Terastation Pro II/Live"
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  Buffalo Terastation Pro II/Live platform.
+
 config MACH_LINKSTATION_PRO
 	bool "Buffalo Linkstation Pro/Live"
 	select I2C_BOARDINFO
@@ -44,6 +50,13 @@ config MACH_LINKSTATION_PRO
 	  Buffalo Linkstation Pro/Live platform. Both v1 and
 	  v2 devices are supported.
 
+config MACH_LINKSTATION_MINI
+	bool "Buffalo Linkstation Mini"
+	select I2C_BOARDINFO
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  Buffalo Linkstation Mini platform.
+
 config MACH_TS409
 	bool "QNAP TS-409"
 	help
@@ -68,6 +81,13 @@ config MACH_MV2120
 	  Say 'Y' here if you want your kernel to support the
 	  HP Media Vault mv2120 or mv5100.
 
+config MACH_EDMINI_V2
+	bool "LaCie Ethernet Disk mini V2"
+	select I2C_BOARDINFO
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  LaCie Ethernet Disk mini V2.
+
 config MACH_MSS2
 	bool "Maxtor Shared Storage II"
 	help
@@ -92,6 +112,12 @@ config MACH_RD88F5181L_FXO
 	  Say 'Y' here if you want your kernel to support the
 	  Marvell Orion-VoIP FXO (88F5181L) RD.
 
+config MACH_RD88F6183AP_GE
+	bool "Marvell Orion-1-90 AP GE Reference Design"
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  Marvell Orion-1-90 (88F6183) AP GE RD.
+
 endmenu
 
 endif

arch/arm/mach-orion5x/Makefile

@@ -2,14 +2,18 @@ obj-y				+= common.o addr-map.o pci.o gpio.o irq.o mpp.o
 obj-$(CONFIG_MACH_DB88F5281)	+= db88f5281-setup.o
 obj-$(CONFIG_MACH_RD88F5182)	+= rd88f5182-setup.o
 obj-$(CONFIG_MACH_KUROBOX_PRO)	+= kurobox_pro-setup.o
+obj-$(CONFIG_MACH_TERASTATION_PRO2)	+= terastation_pro2-setup.o
 obj-$(CONFIG_MACH_LINKSTATION_PRO) += kurobox_pro-setup.o
+obj-$(CONFIG_MACH_LINKSTATION_MINI) += lsmini-setup.o
 obj-$(CONFIG_MACH_DNS323)	+= dns323-setup.o
 obj-$(CONFIG_MACH_TS209)	+= ts209-setup.o tsx09-common.o
 obj-$(CONFIG_MACH_TS409)	+= ts409-setup.o tsx09-common.o
 obj-$(CONFIG_MACH_WRT350N_V2)	+= wrt350n-v2-setup.o
 obj-$(CONFIG_MACH_TS78XX)	+= ts78xx-setup.o
 obj-$(CONFIG_MACH_MV2120)	+= mv2120-setup.o
+obj-$(CONFIG_MACH_EDMINI_V2)	+= edmini_v2-setup.o
 obj-$(CONFIG_MACH_MSS2)		+= mss2-setup.o
 obj-$(CONFIG_MACH_WNR854T)	+= wnr854t-setup.o
 obj-$(CONFIG_MACH_RD88F5181L_GE)	+= rd88f5181l-ge-setup.o
 obj-$(CONFIG_MACH_RD88F5181L_FXO)	+= rd88f5181l-fxo-setup.o
+obj-$(CONFIG_MACH_RD88F6183AP_GE)	+= rd88f6183ap-ge-setup.o

arch/arm/mach-orion5x/common.c

@@ -18,6 +18,7 @@
 #include <linux/mv643xx_eth.h>
 #include <linux/mv643xx_i2c.h>
 #include <linux/ata_platform.h>
+#include <linux/spi/orion_spi.h>
 #include <asm/page.h>
 #include <asm/setup.h>
 #include <asm/timex.h>
@@ -146,7 +147,6 @@ void __init orion5x_ehci1_init(void)
  ****************************************************************************/
 struct mv643xx_eth_shared_platform_data orion5x_eth_shared_data = {
 	.dram		= &orion5x_mbus_dram_info,
-	.t_clk		= ORION5X_TCLK,
 };
 
 static struct resource orion5x_eth_shared_resources[] = {
@@ -154,6 +154,10 @@ static struct resource orion5x_eth_shared_resources[] = {
 		.start	= ORION5X_ETH_PHYS_BASE + 0x2000,
 		.end	= ORION5X_ETH_PHYS_BASE + 0x3fff,
 		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= IRQ_ORION5X_ETH_ERR,
+		.end	= IRQ_ORION5X_ETH_ERR,
+		.flags	= IORESOURCE_IRQ,
 	},
 };
 
@@ -163,7 +167,7 @@ static struct platform_device orion5x_eth_shared = {
 	.dev		= {
 		.platform_data	= &orion5x_eth_shared_data,
 	},
-	.num_resources	= 1,
+	.num_resources	= ARRAY_SIZE(orion5x_eth_shared_resources),
 	.resource	= orion5x_eth_shared_resources,
 };
 
@@ -267,6 +271,38 @@ void __init orion5x_sata_init(struct mv_sata_platform_data *sata_data)
 }
 
 
+/*****************************************************************************
+ * SPI
+ ****************************************************************************/
+static struct orion_spi_info orion5x_spi_plat_data = {
+	.tclk		= 0,
+};
+
+static struct resource orion5x_spi_resources[] = {
+	{
+		.name	= "spi base",
+		.start	= SPI_PHYS_BASE,
+		.end	= SPI_PHYS_BASE + 0x1f,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device orion5x_spi = {
+	.name		= "orion_spi",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &orion5x_spi_plat_data,
+	},
+	.num_resources	= ARRAY_SIZE(orion5x_spi_resources),
+	.resource	= orion5x_spi_resources,
+};
+
+void __init orion5x_spi_init()
+{
+	platform_device_register(&orion5x_spi);
+}
+
+
 /*****************************************************************************
  * UART0
  ****************************************************************************/
@@ -278,7 +314,7 @@ static struct plat_serial8250_port orion5x_uart0_data[] = {
 		.flags		= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 		.iotype		= UPIO_MEM,
 		.regshift	= 2,
-		.uartclk	= ORION5X_TCLK,
+		.uartclk	= 0,
 	}, {
 	},
 };
@@ -322,7 +358,7 @@ static struct plat_serial8250_port orion5x_uart1_data[] = {
 		.flags		= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
 		.iotype		= UPIO_MEM,
 		.regshift	= 2,
-		.uartclk	= ORION5X_TCLK,
+		.uartclk	= 0,
 	}, {
 	},
 };
@@ -455,9 +491,24 @@ void __init orion5x_xor_init(void)
 /*****************************************************************************
  * Time handling
  ****************************************************************************/
+int orion5x_tclk;
+
+int __init orion5x_find_tclk(void)
+{
+	u32 dev, rev;
+
+	orion5x_pcie_id(&dev, &rev);
+	if (dev == MV88F6183_DEV_ID &&
+	    (readl(MPP_RESET_SAMPLE) & 0x00000200) == 0)
+		return 133333333;
+
+	return 166666667;
+}
+
 static void orion5x_timer_init(void)
 {
-	orion_time_init(IRQ_ORION5X_BRIDGE, ORION5X_TCLK);
+	orion5x_tclk = orion5x_find_tclk();
+	orion_time_init(IRQ_ORION5X_BRIDGE, orion5x_tclk);
 }
 
 struct sys_timer orion5x_timer = {
@@ -499,6 +550,12 @@ static void __init orion5x_id(u32 *dev, u32 *rev, char **dev_name)
 		} else {
 			*dev_name = "MV88F5181(L)-Rev-Unsupported";
 		}
+	} else if (*dev == MV88F6183_DEV_ID) {
+		if (*rev == MV88F6183_REV_B0) {
+			*dev_name = "MV88F6183-Rev-B0";
+		} else {
+			*dev_name = "MV88F6183-Rev-Unsupported";
+		}
 	} else {
 		*dev_name = "Device-Unknown";
 	}
@@ -510,7 +567,12 @@ void __init orion5x_init(void)
 	u32 dev, rev;
 
 	orion5x_id(&dev, &rev, &dev_name);
-	printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, ORION5X_TCLK);
+	printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, orion5x_tclk);
+
+	orion5x_eth_shared_data.t_clk = orion5x_tclk;
+	orion5x_spi_plat_data.tclk = orion5x_tclk;
+	orion5x_uart0_data[0].uartclk = orion5x_tclk;
+	orion5x_uart1_data[0].uartclk = orion5x_tclk;
 
 	/*
 	 * Setup Orion address map

arch/arm/mach-orion5x/common.h

@@ -10,6 +10,7 @@ struct mv_sata_platform_data;
 void orion5x_map_io(void);
 void orion5x_init_irq(void);
 void orion5x_init(void);
+extern int orion5x_tclk;
 extern struct sys_timer orion5x_timer;
 
 /*
@@ -30,6 +31,7 @@ void orion5x_ehci1_init(void);
 void orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data);
 void orion5x_i2c_init(void);
 void orion5x_sata_init(struct mv_sata_platform_data *sata_data);
+void orion5x_spi_init(void);
 void orion5x_uart0_init(void);
 void orion5x_uart1_init(void);
 void orion5x_xor_init(void);

arch/arm/mach-orion5x/edmini_v2-setup.c

+/*
+ * arch/arm/mach-orion5x/edmini_v2-setup.c
+ *
+ * LaCie Ethernet Disk mini V2 Setup
+ *
+ * Copyright (C) 2008 Christopher Moore <moore@free.fr>
+ * Copyright (C) 2008 Albert Aribaud <albert.aribaud@free.fr>
+ *
+ * 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.
+ */
+
+/*
+ * TODO: add Orion USB device port init when kernel.org support is added.
+ * TODO: add flash write support: see below.
+ * TODO: add power-off support.
+ * TODO: add I2C EEPROM support.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/leds.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/i2c.h>
+#include <linux/ata_platform.h>
+#include <linux/gpio.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <mach/orion5x.h>
+#include "common.h"
+#include "mpp.h"
+
+/*****************************************************************************
+ * EDMINI_V2 Info
+ ****************************************************************************/
+
+/*
+ * 512KB NOR flash Device bus boot chip select
+ */
+
+#define EDMINI_V2_NOR_BOOT_BASE		0xfff80000
+#define EDMINI_V2_NOR_BOOT_SIZE		SZ_512K
+
+/*****************************************************************************
+ * 512KB NOR Flash on BOOT Device
+ ****************************************************************************/
+
+/*
+ * Currently the MTD code does not recognize the MX29LV400CBCT as a bottom
+ * -type device. This could cause risks of accidentally erasing critical
+ * flash sectors. We thus define a single, write-protected partition covering
+ * the whole flash.
+ * TODO: once the flash part TOP/BOTTOM detection issue is sorted out in the MTD
+ * code, break this into at least three partitions: 'u-boot code', 'u-boot
+ * environment' and 'whatever is left'.
+ */
+
+static struct mtd_partition edmini_v2_partitions[] = {
+	{
+		.name		= "Full512kb",
+		.size		= 0x00080000,
+		.offset		= 0x00000000,
+		.mask_flags	= MTD_WRITEABLE,
+	},
+};
+
+static struct physmap_flash_data edmini_v2_nor_flash_data = {
+	.width		= 1,
+	.parts		= edmini_v2_partitions,
+	.nr_parts	= ARRAY_SIZE(edmini_v2_partitions),
+};
+
+static struct resource edmini_v2_nor_flash_resource = {
+	.flags			= IORESOURCE_MEM,
+	.start			= EDMINI_V2_NOR_BOOT_BASE,
+	.end			= EDMINI_V2_NOR_BOOT_BASE
+		+ EDMINI_V2_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device edmini_v2_nor_flash = {
+	.name			= "physmap-flash",
+	.id			= 0,
+	.dev		= {
+		.platform_data	= &edmini_v2_nor_flash_data,
+	},
+	.num_resources		= 1,
+	.resource		= &edmini_v2_nor_flash_resource,
+};
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+
+static struct mv643xx_eth_platform_data edmini_v2_eth_data = {
+	.phy_addr	= 8,
+};
+
+/*****************************************************************************
+ * RTC 5C372a on I2C bus
+ ****************************************************************************/
+
+#define EDMINIV2_RTC_GPIO	3
+
+static struct i2c_board_info __initdata edmini_v2_i2c_rtc = {
+	I2C_BOARD_INFO("rs5c372a", 0x32),
+	.irq = 0,
+};
+
+/*****************************************************************************
+ * Sata
+ ****************************************************************************/
+
+static struct mv_sata_platform_data edmini_v2_sata_data = {
+	.n_ports	= 2,
+};
+
+/*****************************************************************************
+ * GPIO LED (simple - doesn't use hardware blinking support)
+ ****************************************************************************/
+
+#define EDMINI_V2_GPIO_LED_POWER	16
+
+static struct gpio_led edmini_v2_leds[] = {
+	{
+		.name = "power:blue",
+		.gpio = EDMINI_V2_GPIO_LED_POWER,
+		.active_low = 1,
+	},
+};
+
+static struct gpio_led_platform_data edmini_v2_led_data = {
+	.num_leds = ARRAY_SIZE(edmini_v2_leds),
+	.leds = edmini_v2_leds,
+};
+
+static struct platform_device edmini_v2_gpio_leds = {
+	.name           = "leds-gpio",
+	.id             = -1,
+	.dev            = {
+		.platform_data  = &edmini_v2_led_data,
+	},
+};
+
+/****************************************************************************
+ * GPIO key
+ ****************************************************************************/
+
+#define EDMINI_V2_GPIO_KEY_POWER	18
+
+static struct gpio_keys_button edmini_v2_buttons[] = {
+	{
+		.code		= KEY_POWER,
+		.gpio		= EDMINI_V2_GPIO_KEY_POWER,
+		.desc		= "Power Button",
+		.active_low	= 0,
+	},
+};
+
+static struct gpio_keys_platform_data edmini_v2_button_data = {
+	.buttons	= edmini_v2_buttons,
+	.nbuttons	= ARRAY_SIZE(edmini_v2_buttons),
+};
+
+static struct platform_device edmini_v2_gpio_buttons = {
+	.name		= "gpio-keys",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= &edmini_v2_button_data,
+	},
+};
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+static struct orion5x_mpp_mode edminiv2_mpp_modes[] __initdata = {
+	{  0, MPP_UNUSED },
+	{  1, MPP_UNUSED },
+	{  2, MPP_UNUSED },
+	{  3, MPP_GPIO },	/* RTC interrupt */
+	{  4, MPP_UNUSED },
+	{  5, MPP_UNUSED },
+	{  6, MPP_UNUSED },
+	{  7, MPP_UNUSED },
+	{  8, MPP_UNUSED },
+	{  9, MPP_UNUSED },
+	{ 10, MPP_UNUSED },
+	{ 11, MPP_UNUSED },
+	{ 12, MPP_SATA_LED },	/* SATA 0 presence */
+	{ 13, MPP_SATA_LED },	/* SATA 1 presence */
+	{ 14, MPP_SATA_LED },	/* SATA 0 active */
+	{ 15, MPP_SATA_LED },	/* SATA 1 active */
+	/* 16: Power LED control (0 = On, 1 = Off) */
+	{ 16, MPP_GPIO },
+	/* 17: Power LED control select (0 = CPLD, 1 = GPIO16) */
+	{ 17, MPP_GPIO },
+	/* 18: Power button status (0 = Released, 1 = Pressed) */
+	{ 18, MPP_GPIO },
+	{ 19, MPP_UNUSED },
+	{ -1 }
+};
+
+static void __init edmini_v2_init(void)
+{
+	/*
+	 * Setup basic Orion functions. Need to be called early.
+	 */
+	orion5x_init();
+
+	orion5x_mpp_conf(edminiv2_mpp_modes);
+
+	/*
+	 * Configure peripherals.
+	 */
+	orion5x_ehci0_init();
+	orion5x_eth_init(&edmini_v2_eth_data);
+	orion5x_i2c_init();
+	orion5x_sata_init(&edmini_v2_sata_data);
+	orion5x_uart0_init();
+
+	orion5x_setup_dev_boot_win(EDMINI_V2_NOR_BOOT_BASE,
+				EDMINI_V2_NOR_BOOT_SIZE);
+	platform_device_register(&edmini_v2_nor_flash);
+	platform_device_register(&edmini_v2_gpio_leds);
+	platform_device_register(&edmini_v2_gpio_buttons);
+
+	pr_notice("edmini_v2: USB device port, flash write and power-off "
+		  "are not yet supported.\n");
+
+	/* Get RTC IRQ and register the chip */
+	if (gpio_request(EDMINIV2_RTC_GPIO, "rtc") == 0) {
+		if (gpio_direction_input(EDMINIV2_RTC_GPIO) == 0)
+			edmini_v2_i2c_rtc.irq = gpio_to_irq(EDMINIV2_RTC_GPIO);
+		else
+			gpio_free(EDMINIV2_RTC_GPIO);
+	}
+
+	if (edmini_v2_i2c_rtc.irq == 0)
+		pr_warning("edmini_v2: failed to get RTC IRQ\n");
+
+	i2c_register_board_info(0, &edmini_v2_i2c_rtc, 1);
+}
+
+/* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
+MACHINE_START(EDMINI_V2, "LaCie Ethernet Disk mini V2")
+	/* Maintainer: Christopher Moore <moore@free.fr> */
+	.phys_io	= ORION5X_REGS_PHYS_BASE,
+	.io_pg_offst	= ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+	.boot_params	= 0x00000100,
+	.init_machine	= edmini_v2_init,
+	.map_io		= orion5x_map_io,
+	.init_irq	= orion5x_init_irq,
+	.timer		= &orion5x_timer,
+	.fixup		= tag_fixup_mem32,
+MACHINE_END

arch/arm/mach-orion5x/include/mach/orion5x.h

@@ -2,7 +2,7 @@
  * arch/arm/mach-orion5x/include/mach/orion5x.h
  *
  * Generic definitions of Orion SoC flavors:
- *  Orion-1, Orion-VoIP, Orion-NAS, and Orion-2.
+ *  Orion-1, Orion-VoIP, Orion-NAS, Orion-2, and Orion-1-90.
  *
  * Maintainer: Tzachi Perelstein <tzachi@marvell.com>
  *
@@ -76,6 +76,9 @@
 #define MV88F5281_REV_D0	4
 #define MV88F5281_REV_D1	5
 #define MV88F5281_REV_D2	6
+/* Orion-1-90 (88F6183) */
+#define MV88F6183_DEV_ID	0x6183
+#define MV88F6183_REV_B0	3
 
 /*******************************************************************************
  * Orion Registers Map
@@ -86,6 +89,7 @@
 #define ORION5X_DEV_BUS_PHYS_BASE	(ORION5X_REGS_PHYS_BASE | 0x10000)
 #define ORION5X_DEV_BUS_VIRT_BASE	(ORION5X_REGS_VIRT_BASE | 0x10000)
 #define ORION5X_DEV_BUS_REG(x)		(ORION5X_DEV_BUS_VIRT_BASE | (x))
+#define  SPI_PHYS_BASE			(ORION5X_DEV_BUS_PHYS_BASE | 0x0600)
 #define  I2C_PHYS_BASE			(ORION5X_DEV_BUS_PHYS_BASE | 0x1000)
 #define  UART0_PHYS_BASE		(ORION5X_DEV_BUS_PHYS_BASE | 0x2000)
 #define  UART0_VIRT_BASE		(ORION5X_DEV_BUS_VIRT_BASE | 0x2000)

arch/arm/mach-orion5x/include/mach/timex.h

@@ -9,5 +9,3 @@
  */
 
 #define CLOCK_TICK_RATE		(100 * HZ)
-
-#define ORION5X_TCLK		166666667

arch/arm/mach-orion5x/kurobox_pro-setup.c

@@ -293,7 +293,7 @@ static void kurobox_pro_power_off(void)
 	const unsigned char shutdownwait[]	= {0x00, 0x0c};
 	const unsigned char poweroff[]		= {0x00, 0x06};
 	/* 38400 baud divisor */
-	const unsigned divisor = ((ORION5X_TCLK + (8 * 38400)) / (16 * 38400));
+	const unsigned divisor = ((orion5x_tclk + (8 * 38400)) / (16 * 38400));
 
 	pr_info("%s: triggering power-off...\n", __func__);
 

arch/arm/mach-orion5x/lsmini-setup.c

+/*
+ * arch/arm/mach-orion5x/lsmini-setup.c
+ *
+ * Maintainer: Alexey Kopytko <alexey@kopytko.ru>
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/leds.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/i2c.h>
+#include <linux/ata_platform.h>
+#include <asm/mach-types.h>
+#include <linux/gpio.h>
+#include <asm/mach/arch.h>
+#include "common.h"
+#include "mpp.h"
+#include "include/mach/system.h"
+
+/*****************************************************************************
+ * Linkstation Mini Info
+ ****************************************************************************/
+
+/*
+ * 256K NOR flash Device bus boot chip select
+ */
+
+#define LSMINI_NOR_BOOT_BASE	0xf4000000
+#define LSMINI_NOR_BOOT_SIZE	SZ_256K
+
+/*****************************************************************************
+ * 256KB NOR Flash on BOOT Device
+ ****************************************************************************/
+
+static struct physmap_flash_data lsmini_nor_flash_data = {
+	.width		= 1,
+};
+
+static struct resource lsmini_nor_flash_resource = {
+	.flags	= IORESOURCE_MEM,
+	.start	= LSMINI_NOR_BOOT_BASE,
+	.end	= LSMINI_NOR_BOOT_BASE + LSMINI_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device lsmini_nor_flash = {
+	.name			= "physmap-flash",
+	.id			= 0,
+	.dev		= {
+		.platform_data	= &lsmini_nor_flash_data,
+	},
+	.num_resources		= 1,
+	.resource		= &lsmini_nor_flash_resource,
+};
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+
+static struct mv643xx_eth_platform_data lsmini_eth_data = {
+	.phy_addr	= 8,
+};
+
+/*****************************************************************************
+ * RTC 5C372a on I2C bus
+ ****************************************************************************/
+
+static struct i2c_board_info __initdata lsmini_i2c_rtc = {
+	I2C_BOARD_INFO("rs5c372a", 0x32),
+};
+
+/*****************************************************************************
+ * LEDs attached to GPIO
+ ****************************************************************************/
+
+#define LSMINI_GPIO_LED_ALARM	2
+#define LSMINI_GPIO_LED_INFO	3
+#define LSMINI_GPIO_LED_FUNC	9
+#define LSMINI_GPIO_LED_PWR	14
+
+static struct gpio_led lsmini_led_pins[] = {
+	{
+		.name	   = "alarm:red",
+		.gpio	   = LSMINI_GPIO_LED_ALARM,
+		.active_low     = 1,
+	}, {
+		.name	   = "info:amber",
+		.gpio	   = LSMINI_GPIO_LED_INFO,
+		.active_low     = 1,
+	}, {
+		.name	   = "func:blue:top",
+		.gpio	   = LSMINI_GPIO_LED_FUNC,
+		.active_low     = 1,
+	}, {
+		.name	   = "power:blue:bottom",
+		.gpio	   = LSMINI_GPIO_LED_PWR,
+	},
+};
+
+static struct gpio_led_platform_data lsmini_led_data = {
+	.leds	   = lsmini_led_pins,
+	.num_leds       = ARRAY_SIZE(lsmini_led_pins),
+};
+
+static struct platform_device lsmini_leds = {
+	.name   = "leds-gpio",
+	.id     = -1,
+	.dev    = {
+		.platform_data  = &lsmini_led_data,
+	},
+};
+
+/****************************************************************************
+ * GPIO Attached Keys
+ ****************************************************************************/
+
+#define LSMINI_GPIO_KEY_FUNC       15
+#define LSMINI_GPIO_KEY_POWER	   18
+#define LSMINI_GPIO_KEY_AUTOPOWER 17
+
+#define LSMINI_SW_POWER		0x00
+#define LSMINI_SW_AUTOPOWER	0x01
+
+static struct gpio_keys_button lsmini_buttons[] = {
+	{
+		.code	   = KEY_OPTION,
+		.gpio	   = LSMINI_GPIO_KEY_FUNC,
+		.desc	   = "Function Button",
+		.active_low     = 1,
+	}, {
+		.type		= EV_SW,
+		.code	   = LSMINI_SW_POWER,
+		.gpio	   = LSMINI_GPIO_KEY_POWER,
+		.desc	   = "Power-on Switch",
+		.active_low     = 1,
+	}, {
+		.type		= EV_SW,
+		.code	   = LSMINI_SW_AUTOPOWER,
+		.gpio	   = LSMINI_GPIO_KEY_AUTOPOWER,
+		.desc	   = "Power-auto Switch",
+		.active_low     = 1,
+	},
+};
+
+static struct gpio_keys_platform_data lsmini_button_data = {
+	.buttons	= lsmini_buttons,
+	.nbuttons       = ARRAY_SIZE(lsmini_buttons),
+};
+
+static struct platform_device lsmini_button_device = {
+	.name	   = "gpio-keys",
+	.id	     = -1,
+	.num_resources  = 0,
+	.dev	    = {
+		.platform_data  = &lsmini_button_data,
+	},
+};
+
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+static struct mv_sata_platform_data lsmini_sata_data = {
+	.n_ports	= 2,
+};
+
+
+/*****************************************************************************
+ * Linkstation Mini specific power off method: reboot
+ ****************************************************************************/
+/*
+ * On the Linkstation Mini, the shutdown process is following:
+ * - Userland monitors key events until the power switch goes to off position
+ * - The board reboots
+ * - U-boot starts and goes into an idle mode waiting for the user
+ *   to move the switch to ON position
+ */
+
+static void lsmini_power_off(void)
+{
+	arch_reset(0);
+}
+
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+
+#define LSMINI_GPIO_USB_POWER	16
+#define LSMINI_GPIO_AUTO_POWER	17
+#define LSMINI_GPIO_POWER	18
+
+#define LSMINI_GPIO_HDD_POWER0	1
+#define LSMINI_GPIO_HDD_POWER1	19
+
+static struct orion5x_mpp_mode lsmini_mpp_modes[] __initdata = {
+	{  0, MPP_UNUSED }, /* LED_RESERVE1 (unused) */
+	{  1, MPP_GPIO }, /* HDD_PWR */
+	{  2, MPP_GPIO }, /* LED_ALARM */
+	{  3, MPP_GPIO }, /* LED_INFO */
+	{  4, MPP_UNUSED },
+	{  5, MPP_UNUSED },
+	{  6, MPP_UNUSED },
+	{  7, MPP_UNUSED },
+	{  8, MPP_UNUSED },
+	{  9, MPP_GPIO }, /* LED_FUNC */
+	{ 10, MPP_UNUSED },
+	{ 11, MPP_UNUSED }, /* LED_ETH (dummy) */
+	{ 12, MPP_UNUSED },
+	{ 13, MPP_UNUSED },
+	{ 14, MPP_GPIO }, /* LED_PWR */
+	{ 15, MPP_GPIO }, /* FUNC */
+	{ 16, MPP_GPIO }, /* USB_PWR */
+	{ 17, MPP_GPIO }, /* AUTO_POWER */
+	{ 18, MPP_GPIO }, /* POWER */
+	{ 19, MPP_GPIO }, /* HDD_PWR1 */
+	{ -1 },
+};
+
+static void __init lsmini_init(void)
+{
+	/*
+	 * Setup basic Orion functions. Need to be called early.
+	 */
+	orion5x_init();
+
+	orion5x_mpp_conf(lsmini_mpp_modes);
+
+	/*
+	 * Configure peripherals.
+	 */
+	orion5x_ehci0_init();
+	orion5x_ehci1_init();
+	orion5x_eth_init(&lsmini_eth_data);
+	orion5x_i2c_init();
+	orion5x_sata_init(&lsmini_sata_data);
+	orion5x_uart0_init();
+	orion5x_xor_init();
+
+	orion5x_setup_dev_boot_win(LSMINI_NOR_BOOT_BASE,
+				   LSMINI_NOR_BOOT_SIZE);
+	platform_device_register(&lsmini_nor_flash);
+
+	platform_device_register(&lsmini_button_device);
+
+	platform_device_register(&lsmini_leds);
+
+	i2c_register_board_info(0, &lsmini_i2c_rtc, 1);
+
+	/* enable USB power */
+	gpio_set_value(LSMINI_GPIO_USB_POWER, 1);
+
+	/* register power-off method */
+	pm_power_off = lsmini_power_off;
+
+	pr_info("%s: finished\n", __func__);
+}
+
+#ifdef CONFIG_MACH_LINKSTATION_MINI
+MACHINE_START(LINKSTATION_MINI, "Buffalo Linkstation Mini")
+	/* Maintainer: Alexey Kopytko <alexey@kopytko.ru> */
+	.phys_io	= ORION5X_REGS_PHYS_BASE,
+	.io_pg_offst	= ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+	.boot_params	= 0x00000100,
+	.init_machine	= lsmini_init,
+	.map_io		= orion5x_map_io,
+	.init_irq	= orion5x_init_irq,
+	.timer		= &orion5x_timer,
+	.fixup		= tag_fixup_mem32,
+MACHINE_END
+#endif

arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c

+/*
+ * arch/arm/mach-orion5x/rd88f6183-ap-ge-setup.c
+ *
+ * Marvell Orion-1-90 AP GE Reference Design Setup
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/orion_spi.h>
+#include <linux/spi/flash.h>
+#include <linux/ethtool.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <asm/leds.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <mach/orion5x.h>
+#include "common.h"
+#include "mpp.h"
+
+static struct mv643xx_eth_platform_data rd88f6183ap_ge_eth_data = {
+	.phy_addr	= -1,
+	.speed		= SPEED_1000,
+	.duplex		= DUPLEX_FULL,
+};
+
+static struct mtd_partition rd88f6183ap_ge_partitions[] = {
+	{
+		.name	= "kernel",
+		.offset	= 0x00000000,
+		.size	= 0x00200000,
+	}, {
+		.name	= "rootfs",
+		.offset	= 0x00200000,
+		.size	= 0x00500000,
+	}, {
+		.name	= "nvram",
+		.offset	= 0x00700000,
+		.size	= 0x00080000,
+	},
+};
+
+static struct flash_platform_data rd88f6183ap_ge_spi_slave_data = {
+	.type		= "m25p64",
+	.nr_parts	= ARRAY_SIZE(rd88f6183ap_ge_partitions),
+	.parts		= rd88f6183ap_ge_partitions,
+};
+
+static struct spi_board_info __initdata rd88f6183ap_ge_spi_slave_info[] = {
+	{
+		.modalias	= "m25p80",
+		.platform_data	= &rd88f6183ap_ge_spi_slave_data,
+		.irq		= NO_IRQ,
+		.max_speed_hz	= 20000000,
+		.bus_num	= 0,
+		.chip_select	= 0,
+	},
+};
+
+static void __init rd88f6183ap_ge_init(void)
+{
+	/*
+	 * Setup basic Orion functions. Need to be called early.
+	 */
+	orion5x_init();
+
+	/*
+	 * Configure peripherals.
+	 */
+	orion5x_ehci0_init();
+	orion5x_eth_init(&rd88f6183ap_ge_eth_data);
+	spi_register_board_info(rd88f6183ap_ge_spi_slave_info,
+				ARRAY_SIZE(rd88f6183ap_ge_spi_slave_info));
+	orion5x_spi_init();
+	orion5x_uart0_init();
+}
+
+static struct hw_pci rd88f6183ap_ge_pci __initdata = {
+	.nr_controllers	= 2,
+	.swizzle	= pci_std_swizzle,
+	.setup		= orion5x_pci_sys_setup,
+	.scan		= orion5x_pci_sys_scan_bus,
+	.map_irq	= orion5x_pci_map_irq,
+};
+
+static int __init rd88f6183ap_ge_pci_init(void)
+{
+	if (machine_is_rd88f6183ap_ge()) {
+		orion5x_pci_disable();
+		pci_common_init(&rd88f6183ap_ge_pci);
+	}
+
+	return 0;
+}
+subsys_initcall(rd88f6183ap_ge_pci_init);
+
+MACHINE_START(RD88F6183AP_GE, "Marvell Orion-1-90 AP GE Reference Design")
+	/* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
+	.phys_io	= ORION5X_REGS_PHYS_BASE,
+	.io_pg_offst	= ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+	.boot_params	= 0x00000100,
+	.init_machine	= rd88f6183ap_ge_init,
+	.map_io		= orion5x_map_io,
+	.init_irq	= orion5x_init_irq,
+	.timer		= &orion5x_timer,
+	.fixup		= tag_fixup_mem32,
+MACHINE_END

arch/arm/mach-orion5x/terastation_pro2-setup.c

+/*
+ * Buffalo Terastation Pro II/Live Board Setup
+ *
+ * Maintainer: Sylver Bruneau <sylver.bruneau@googlemail.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/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/delay.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/i2c.h>
+#include <linux/serial_reg.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <mach/orion5x.h>
+#include "common.h"
+#include "mpp.h"
+
+/*****************************************************************************
+ * Terastation Pro 2/Live Info
+ ****************************************************************************/
+
+/*
+ * Terastation Pro 2 hardware :
+ * - Marvell 88F5281-D0
+ * - Marvell 88SX6042 SATA controller (PCI)
+ * - Marvell 88E1118 Gigabit Ethernet PHY
+ * - 256KB NOR flash
+ * - 128MB of DDR RAM
+ * - PCIe port (not equipped)
+ */
+
+/*
+ * 256K NOR flash Device bus boot chip select
+ */
+
+#define TSP2_NOR_BOOT_BASE	0xf4000000
+#define TSP2_NOR_BOOT_SIZE	SZ_256K
+
+/*****************************************************************************
+ * 256KB NOR Flash on BOOT Device
+ ****************************************************************************/
+
+static struct physmap_flash_data tsp2_nor_flash_data = {
+	.width    = 1,
+};
+
+static struct resource tsp2_nor_flash_resource = {
+	.flags = IORESOURCE_MEM,
+	.start = TSP2_NOR_BOOT_BASE,
+	.end   = TSP2_NOR_BOOT_BASE + TSP2_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device tsp2_nor_flash = {
+	.name          = "physmap-flash",
+	.id            = 0,
+	.dev           = {
+		.platform_data	= &tsp2_nor_flash_data,
+	},
+	.num_resources = 1,
+	.resource      = &tsp2_nor_flash_resource,
+};
+
+/*****************************************************************************
+ * PCI
+ ****************************************************************************/
+#define TSP2_PCI_SLOT0_OFFS		7
+#define TSP2_PCI_SLOT0_IRQ_PIN		11
+
+void __init tsp2_pci_preinit(void)
+{
+	int pin;
+
+	/*
+	 * Configure PCI GPIO IRQ pins
+	 */
+	pin = TSP2_PCI_SLOT0_IRQ_PIN;
+	if (gpio_request(pin, "PCI Int1") == 0) {
+		if (gpio_direction_input(pin) == 0) {
+			set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
+		} else {
+			printk(KERN_ERR "tsp2_pci_preinit failed "
+					"to set_irq_type pin %d\n", pin);
+			gpio_free(pin);
+		}
+	} else {
+		printk(KERN_ERR "tsp2_pci_preinit failed to "
+				"gpio_request %d\n", pin);
+	}
+}
+
+static int __init tsp2_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	int irq;
+
+	/*
+	 * Check for devices with hard-wired IRQs.
+	 */
+	irq = orion5x_pci_map_irq(dev, slot, pin);
+	if (irq != -1)
+		return irq;
+
+	/*
+	 * PCI IRQs are connected via GPIOs.
+	 */
+	if (slot == TSP2_PCI_SLOT0_OFFS)
+		return gpio_to_irq(TSP2_PCI_SLOT0_IRQ_PIN);
+
+	return -1;
+}
+
+static struct hw_pci tsp2_pci __initdata = {
+	.nr_controllers = 2,
+	.preinit        = tsp2_pci_preinit,
+	.swizzle        = pci_std_swizzle,
+	.setup          = orion5x_pci_sys_setup,
+	.scan           = orion5x_pci_sys_scan_bus,
+	.map_irq        = tsp2_pci_map_irq,
+};
+
+static int __init tsp2_pci_init(void)
+{
+	if (machine_is_terastation_pro2())
+		pci_common_init(&tsp2_pci);
+
+	return 0;
+}
+
+subsys_initcall(tsp2_pci_init);
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+
+static struct mv643xx_eth_platform_data tsp2_eth_data = {
+	.phy_addr	= 0,
+};
+
+/*****************************************************************************
+ * RTC 5C372a on I2C bus
+ ****************************************************************************/
+
+#define TSP2_RTC_GPIO	9
+
+static struct i2c_board_info __initdata tsp2_i2c_rtc = {
+	I2C_BOARD_INFO("rs5c372a", 0x32),
+};
+
+/*****************************************************************************
+ * Terastation Pro II specific power off method via UART1-attached
+ * microcontroller
+ ****************************************************************************/
+
+#define UART1_REG(x)	(UART1_VIRT_BASE + ((UART_##x) << 2))
+
+static int tsp2_miconread(unsigned char *buf, int count)
+{
+	int i;
+	int timeout;
+
+	for (i = 0; i < count; i++) {
+		timeout = 10;
+
+		while (!(readl(UART1_REG(LSR)) & UART_LSR_DR)) {
+			if (--timeout == 0)
+				break;
+			udelay(1000);
+		}
+
+		if (timeout == 0)
+			break;
+		buf[i] = readl(UART1_REG(RX));
+	}
+
+	/* return read bytes */
+	return i;
+}
+
+static int tsp2_miconwrite(const unsigned char *buf, int count)
+{
+	int i = 0;
+
+	while (count--) {
+		while (!(readl(UART1_REG(LSR)) & UART_LSR_THRE))
+			barrier();
+		writel(buf[i++], UART1_REG(TX));
+	}
+
+	return 0;
+}
+
+static int tsp2_miconsend(const unsigned char *data, int count)
+{
+	int i;
+	unsigned char checksum = 0;
+	unsigned char recv_buf[40];
+	unsigned char send_buf[40];
+	unsigned char correct_ack[3];
+	int retry = 2;
+
+	/* Generate checksum */
+	for (i = 0; i < count; i++)
+		checksum -=  data[i];
+
+	do {
+		/* Send data */
+		tsp2_miconwrite(data, count);
+
+		/* send checksum */
+		tsp2_miconwrite(&checksum, 1);
+
+		if (tsp2_miconread(recv_buf, sizeof(recv_buf)) <= 3) {
+			printk(KERN_ERR ">%s: receive failed.\n", __func__);
+
+			/* send preamble to clear the receive buffer */
+			memset(&send_buf, 0xff, sizeof(send_buf));
+			tsp2_miconwrite(send_buf, sizeof(send_buf));
+
+			/* make dummy reads */
+			mdelay(100);
+			tsp2_miconread(recv_buf, sizeof(recv_buf));
+		} else {
+			/* Generate expected ack */
+			correct_ack[0] = 0x01;
+			correct_ack[1] = data[1];
+			correct_ack[2] = 0x00;
+
+			/* checksum Check */
+			if ((recv_buf[0] + recv_buf[1] + recv_buf[2] +
+			     recv_buf[3]) & 0xFF) {
+				printk(KERN_ERR ">%s: Checksum Error : "
+					"Received data[%02x, %02x, %02x, %02x]"
+					"\n", __func__, recv_buf[0],
+					recv_buf[1], recv_buf[2], recv_buf[3]);
+			} else {
+				/* Check Received Data */
+				if (correct_ack[0] == recv_buf[0] &&
+				    correct_ack[1] == recv_buf[1] &&
+				    correct_ack[2] == recv_buf[2]) {
+					/* Interval for next command */
+					mdelay(10);
+
+					/* Receive ACK */
+					return 0;
+				}
+			}
+			/* Received NAK or illegal Data */
+			printk(KERN_ERR ">%s: Error : NAK or Illegal Data "
+					"Received\n", __func__);
+		}
+	} while (retry--);
+
+	/* Interval for next command */
+	mdelay(10);
+
+	return -1;
+}
+
+static void tsp2_power_off(void)
+{
+	const unsigned char watchdogkill[]	= {0x01, 0x35, 0x00};
+	const unsigned char shutdownwait[]	= {0x00, 0x0c};
+	const unsigned char poweroff[]		= {0x00, 0x06};
+	/* 38400 baud divisor */
+	const unsigned divisor = ((orion5x_tclk + (8 * 38400)) / (16 * 38400));
+
+	pr_info("%s: triggering power-off...\n", __func__);
+
+	/* hijack uart1 and reset into sane state (38400,8n1,even parity) */
+	writel(0x83, UART1_REG(LCR));
+	writel(divisor & 0xff, UART1_REG(DLL));
+	writel((divisor >> 8) & 0xff, UART1_REG(DLM));
+	writel(0x1b, UART1_REG(LCR));
+	writel(0x00, UART1_REG(IER));
+	writel(0x07, UART1_REG(FCR));
+	writel(0x00, UART1_REG(MCR));
+
+	/* Send the commands to shutdown the Terastation Pro II */
+	tsp2_miconsend(watchdogkill, sizeof(watchdogkill)) ;
+	tsp2_miconsend(shutdownwait, sizeof(shutdownwait)) ;
+	tsp2_miconsend(poweroff, sizeof(poweroff));
+}
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+static struct orion5x_mpp_mode tsp2_mpp_modes[] __initdata = {
+	{  0, MPP_PCIE_RST_OUTn },
+	{  1, MPP_UNUSED },
+	{  2, MPP_UNUSED },
+	{  3, MPP_UNUSED },
+	{  4, MPP_NAND },		/* BOOT NAND Flash REn */
+	{  5, MPP_NAND },		/* BOOT NAND Flash WEn */
+	{  6, MPP_NAND },		/* BOOT NAND Flash HREn[0] */
+	{  7, MPP_NAND },		/* BOOT NAND Flash WEn[0] */
+	{  8, MPP_GPIO },		/* MICON int */
+	{  9, MPP_GPIO },		/* RTC int */
+	{ 10, MPP_UNUSED },
+	{ 11, MPP_GPIO },		/* PCI Int A */
+	{ 12, MPP_UNUSED },
+	{ 13, MPP_GPIO },		/* UPS on UART0 enable */
+	{ 14, MPP_GPIO },		/* UPS low battery detection */
+	{ 15, MPP_UNUSED },
+	{ 16, MPP_UART },		/* UART1 RXD */
+	{ 17, MPP_UART },		/* UART1 TXD */
+	{ 18, MPP_UART },		/* UART1 CTSn */
+	{ 19, MPP_UART },		/* UART1 RTSn */
+	{ -1 },
+};
+
+static void __init tsp2_init(void)
+{
+	/*
+	 * Setup basic Orion functions. Need to be called early.
+	 */
+	orion5x_init();
+
+	orion5x_mpp_conf(tsp2_mpp_modes);
+
+	/*
+	 * Configure peripherals.
+	 */
+	orion5x_setup_dev_boot_win(TSP2_NOR_BOOT_BASE,
+				   TSP2_NOR_BOOT_SIZE);
+	platform_device_register(&tsp2_nor_flash);
+
+	orion5x_ehci0_init();
+	orion5x_eth_init(&tsp2_eth_data);
+	orion5x_i2c_init();
+	orion5x_uart0_init();
+	orion5x_uart1_init();
+
+	/* Get RTC IRQ and register the chip */
+	if (gpio_request(TSP2_RTC_GPIO, "rtc") == 0) {
+		if (gpio_direction_input(TSP2_RTC_GPIO) == 0)
+			tsp2_i2c_rtc.irq = gpio_to_irq(TSP2_RTC_GPIO);
+		else
+			gpio_free(TSP2_RTC_GPIO);
+	}
+	if (tsp2_i2c_rtc.irq == 0)
+		pr_warning("tsp2_init: failed to get RTC IRQ\n");
+	i2c_register_board_info(0, &tsp2_i2c_rtc, 1);
+
+	/* register Terastation Pro II specific power-off method */
+	pm_power_off = tsp2_power_off;
+}
+
+MACHINE_START(TERASTATION_PRO2, "Buffalo Terastation Pro II/Live")
+	/* Maintainer:  Sylver Bruneau <sylver.bruneau@googlemail.com> */
+	.phys_io	= ORION5X_REGS_PHYS_BASE,
+	.io_pg_offst	= ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+	.boot_params	= 0x00000100,
+	.init_machine	= tsp2_init,
+	.map_io		= orion5x_map_io,
+	.init_irq	= orion5x_init_irq,
+	.timer		= &orion5x_timer,
+	.fixup		= tag_fixup_mem32,
+MACHINE_END

arch/arm/mach-orion5x/tsx09-common.c

@@ -16,6 +16,7 @@
 #include <linux/timex.h>
 #include <linux/serial_reg.h>
 #include "tsx09-common.h"
+#include "common.h"
 
 /*****************************************************************************
  * QNAP TS-x09 specific power off method via UART1-attached PIC
@@ -26,7 +27,7 @@
 void qnap_tsx09_power_off(void)
 {
 	/* 19200 baud divisor */
-	const unsigned divisor = ((ORION5X_TCLK + (8 * 19200)) / (16 * 19200));
+	const unsigned divisor = ((orion5x_tclk + (8 * 19200)) / (16 * 19200));
 
 	pr_info("%s: triggering power-off...\n", __func__);
 

arch/arm/mm/Kconfig

@@ -735,6 +735,14 @@ config CACHE_FEROCEON_L2
 	help
 	  This option enables the Feroceon L2 cache controller.
 
+config CACHE_FEROCEON_L2_WRITETHROUGH
+	bool "Force Feroceon L2 cache write through"
+	depends on CACHE_FEROCEON_L2
+	default n
+	help
+	  Say Y here to use the Feroceon L2 cache in writethrough mode.
+	  Unless you specifically require this, say N for writeback mode.
+
 config CACHE_L2X0
 	bool "Enable the L2x0 outer cache controller"
 	depends on REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PB1176

arch/arm/mm/cache-feroceon-l2.c

@@ -48,11 +48,12 @@ static inline void l2_clean_mva_range(unsigned long start, unsigned long end)
 	 * L2 is PIPT and range operations only do a TLB lookup on
 	 * the start address.
 	 */
-	BUG_ON((start ^ end) & ~(PAGE_SIZE - 1));
+	BUG_ON((start ^ end) >> PAGE_SHIFT);
 
 	raw_local_irq_save(flags);
-	__asm__("mcr p15, 1, %0, c15, c9, 4" : : "r" (start));
-	__asm__("mcr p15, 1, %0, c15, c9, 5" : : "r" (end));
+	__asm__("mcr p15, 1, %0, c15, c9, 4\n\t"
+		"mcr p15, 1, %1, c15, c9, 5"
+		: : "r" (start), "r" (end));
 	raw_local_irq_restore(flags);
 }
 
@@ -80,11 +81,12 @@ static inline void l2_inv_mva_range(unsigned long start, unsigned long end)
 	 * L2 is PIPT and range operations only do a TLB lookup on
 	 * the start address.
 	 */
-	BUG_ON((start ^ end) & ~(PAGE_SIZE - 1));
+	BUG_ON((start ^ end) >> PAGE_SHIFT);
 
 	raw_local_irq_save(flags);
-	__asm__("mcr p15, 1, %0, c15, c11, 4" : : "r" (start));
-	__asm__("mcr p15, 1, %0, c15, c11, 5" : : "r" (end));
+	__asm__("mcr p15, 1, %0, c15, c11, 4\n\t"
+		"mcr p15, 1, %1, c15, c11, 5"
+		: : "r" (start), "r" (end));
 	raw_local_irq_restore(flags);
 }
 
@@ -205,7 +207,7 @@ static void feroceon_l2_flush_range(unsigned long start, unsigned long end)
  * time.  These are necessary because the L2 cache can only be enabled
  * or disabled while the L1 Dcache and Icache are both disabled.
  */
-static void __init invalidate_and_disable_dcache(void)
+static int __init flush_and_disable_dcache(void)
 {
 	u32 cr;
 
@@ -217,7 +219,9 @@ static void __init invalidate_and_disable_dcache(void)
 		flush_cache_all();
 		set_cr(cr & ~CR_C);
 		raw_local_irq_restore(flags);
+		return 1;
 	}
+	return 0;
 }
 
 static void __init enable_dcache(void)
@@ -225,18 +229,17 @@ static void __init enable_dcache(void)
 	u32 cr;
 
 	cr = get_cr();
-	if (!(cr & CR_C))
-		set_cr(cr | CR_C);
+	set_cr(cr | CR_C);
 }
 
 static void __init __invalidate_icache(void)
 {
 	int dummy;
 
-	__asm__ __volatile__("mcr p15, 0, %0, c7, c5, 0\n" : "=r" (dummy));
+	__asm__ __volatile__("mcr p15, 0, %0, c7, c5, 0" : "=r" (dummy));
 }
 
-static void __init invalidate_and_disable_icache(void)
+static int __init invalidate_and_disable_icache(void)
 {
 	u32 cr;
 
@@ -244,7 +247,9 @@ static void __init invalidate_and_disable_icache(void)
 	if (cr & CR_I) {
 		set_cr(cr & ~CR_I);
 		__invalidate_icache();
+		return 1;
 	}
+	return 0;
 }
 
 static void __init enable_icache(void)
@@ -252,8 +257,7 @@ static void __init enable_icache(void)
 	u32 cr;
 
 	cr = get_cr();
-	if (!(cr & CR_I))
-		set_cr(cr | CR_I);
+	set_cr(cr | CR_I);
 }
 
 static inline u32 read_extra_features(void)
@@ -291,13 +295,17 @@ static void __init enable_l2(void)
 
 	u = read_extra_features();
 	if (!(u & 0x00400000)) {
+		int i, d;
+
 		printk(KERN_INFO "Feroceon L2: Enabling L2\n");
 
-		invalidate_and_disable_dcache();
-		invalidate_and_disable_icache();
+		d = flush_and_disable_dcache();
+		i = invalidate_and_disable_icache();
 		write_extra_features(u | 0x00400000);
-		enable_icache();
-		enable_dcache();
+		if (i)
+			enable_icache();
+		if (d)
+			enable_dcache();
 	}
 }
 

arch/arm/mm/proc-feroceon.S

@@ -80,7 +80,8 @@ ENTRY(cpu_feroceon_proc_fin)
 	msr	cpsr_c, ip
 	bl	feroceon_flush_kern_cache_all
 
-#if defined(CONFIG_CACHE_FEROCEON_L2) && !defined(CONFIG_L2_CACHE_WRITETHROUGH)
+#if defined(CONFIG_CACHE_FEROCEON_L2) && \
+	!defined(CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH)
 	mov	r0, #0
 	mcr	p15, 1, r0, c15, c9, 0		@ clean L2
 	mcr	p15, 0, r0, c7, c10, 4		@ drain WB
@@ -389,7 +390,8 @@ ENTRY(feroceon_range_cache_fns)
 
 	.align	5
 ENTRY(cpu_feroceon_dcache_clean_area)
-#if defined(CONFIG_CACHE_FEROCEON_L2) && !defined(CONFIG_L2_CACHE_WRITETHROUGH)
+#if defined(CONFIG_CACHE_FEROCEON_L2) && \
+	!defined(CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH)
 	mov	r2, r0
 	mov	r3, r1
 #endif
@@ -397,7 +399,8 @@ ENTRY(cpu_feroceon_dcache_clean_area)
 	add	r0, r0, #CACHE_DLINESIZE
 	subs	r1, r1, #CACHE_DLINESIZE
 	bhi	1b
-#if defined(CONFIG_CACHE_FEROCEON_L2) && !defined(CONFIG_L2_CACHE_WRITETHROUGH)
+#if defined(CONFIG_CACHE_FEROCEON_L2) && \
+	!defined(CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH)
 1:	mcr	p15, 1, r2, c15, c9, 1		@ clean L2 entry
 	add	r2, r2, #CACHE_DLINESIZE
 	subs	r3, r3, #CACHE_DLINESIZE
@@ -449,7 +452,8 @@ ENTRY(cpu_feroceon_set_pte_ext)
 	armv3_set_pte_ext wc_disable=0
 	mov	r0, r0
 	mcr	p15, 0, r0, c7, c10, 1		@ clean D entry
-#if defined(CONFIG_CACHE_FEROCEON_L2) && !defined(CONFIG_L2_CACHE_WRITETHROUGH)
+#if defined(CONFIG_CACHE_FEROCEON_L2) && \
+	!defined(CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH)
 	mcr	p15, 1, r0, c15, c9, 1		@ clean L2 entry
 #endif
 	mcr	p15, 0, r0, c7, c10, 4		@ drain WB