Merge branch 'master' of git://git.infradead.org/users/cbou/linux-cns3xxx into devel-stable

6 files changed, 101 insertions, 4 deletions

diff --git a/arch/arm/mach-cns3xxx/cns3420vb.c b/arch/arm/mach-cns3xxx/cns3420vb.c
index 90fe9ab8591d..08e5c8759502 100644
--- a/arch/arm/mach-cns3xxx/cns3420vb.c
+++ b/arch/arm/mach-cns3xxx/cns3420vb.c
@@ -17,6 +17,7 @@
 #include <linux/kernel.h>
 #include <linux/compiler.h>
 #include <linux/io.h>
+#include <linux/dma-mapping.h>
 #include <linux/serial_core.h>
 #include <linux/serial_8250.h>
 #include <linux/platform_device.h>
@@ -108,10 +109,63 @@ static void __init cns3420_early_serial_setup(void)
 }
 
 /*
+ * USB
+ */
+static struct resource cns3xxx_usb_ehci_resources[] = {
+	[0] = {
+		.start = CNS3XXX_USB_BASE,
+		.end   = CNS3XXX_USB_BASE + SZ_16M - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_CNS3XXX_USB_EHCI,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static u64 cns3xxx_usb_ehci_dma_mask = DMA_BIT_MASK(32);
+
+static struct platform_device cns3xxx_usb_ehci_device = {
+	.name          = "cns3xxx-ehci",
+	.num_resources = ARRAY_SIZE(cns3xxx_usb_ehci_resources),
+	.resource      = cns3xxx_usb_ehci_resources,
+	.dev           = {
+		.dma_mask          = &cns3xxx_usb_ehci_dma_mask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+};
+
+static struct resource cns3xxx_usb_ohci_resources[] = {
+	[0] = {
+		.start = CNS3XXX_USB_OHCI_BASE,
+		.end   = CNS3XXX_USB_OHCI_BASE + SZ_16M - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_CNS3XXX_USB_OHCI,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static u64 cns3xxx_usb_ohci_dma_mask = DMA_BIT_MASK(32);
+
+static struct platform_device cns3xxx_usb_ohci_device = {
+	.name          = "cns3xxx-ohci",
+	.num_resources = ARRAY_SIZE(cns3xxx_usb_ohci_resources),
+	.resource      = cns3xxx_usb_ohci_resources,
+	.dev           = {
+		.dma_mask          = &cns3xxx_usb_ohci_dma_mask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+};
+
+/*
  * Initialization
  */
 static struct platform_device *cns3420_pdevs[] __initdata = {
 	&cns3420_nor_pdev,
+	&cns3xxx_usb_ehci_device,
+	&cns3xxx_usb_ohci_device,
 };
 
 static void __init cns3420_init(void)
diff --git a/arch/arm/mach-cns3xxx/core.h b/arch/arm/mach-cns3xxx/core.h
index 6b33ec11346e..73898a7835d3 100644
--- a/arch/arm/mach-cns3xxx/core.h
+++ b/arch/arm/mach-cns3xxx/core.h
@@ -17,7 +17,5 @@ extern struct sys_timer cns3xxx_timer;
 void __init cns3xxx_map_io(void);
 void __init cns3xxx_init_irq(void);
 void cns3xxx_power_off(void);
-void cns3xxx_pwr_power_up(unsigned int block);
-void cns3xxx_pwr_power_down(unsigned int block);
 
 #endif /* __CNS3XXX_CORE_H */
diff --git a/arch/arm/mach-cns3xxx/devices.c b/arch/arm/mach-cns3xxx/devices.c
index 50b4d31c27c0..79d1fb02c23f 100644
--- a/arch/arm/mach-cns3xxx/devices.c
+++ b/arch/arm/mach-cns3xxx/devices.c
@@ -18,6 +18,7 @@
 #include <linux/platform_device.h>
 #include <mach/cns3xxx.h>
 #include <mach/irqs.h>
+#include <mach/pm.h>
 #include "core.h"
 #include "devices.h"
 
diff --git a/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h b/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h
index 6dbce13771ca..191c8e57f289 100644
--- a/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h
+++ b/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h
@@ -165,7 +165,6 @@
 #define CNS3XXX_USBOTG_BASE_VIRT		0xFFF15000
 
 #define CNS3XXX_USB_BASE			0x82000000	/* USB Host Control */
-#define CNS3XXX_USB_BASE_VIRT			0xFFF16000
 
 #define CNS3XXX_SATA2_BASE			0x83000000	/* SATA */
 #define CNS3XXX_SATA2_SIZE			SZ_16M
@@ -184,7 +183,6 @@
 #define CNS3XXX_2DG_BASE_VIRT			0xFFF1B000
 
 #define CNS3XXX_USB_OHCI_BASE			0x88000000	/* USB OHCI */
-#define CNS3XXX_USB_OHCI_BASE_VIRT		0xFFF1C000
 
 #define CNS3XXX_L2C_BASE			0x92000000	/* L2 Cache Control */
 #define CNS3XXX_L2C_BASE_VIRT			0xFFF27000
diff --git a/arch/arm/mach-cns3xxx/include/mach/pm.h b/arch/arm/mach-cns3xxx/include/mach/pm.h
new file mode 100644
index 000000000000..6eae7f764d1d
--- /dev/null
+++ b/arch/arm/mach-cns3xxx/include/mach/pm.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2000 Deep Blue Solutions Ltd
+ * Copyright 2004 ARM Limited
+ * Copyright 2008 Cavium Networks
+ *
+ * This file 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.
+ */
+
+#ifndef __CNS3XXX_PM_H
+#define __CNS3XXX_PM_H
+
+#include <asm/atomic.h>
+
+void cns3xxx_pwr_clk_en(unsigned int block);
+void cns3xxx_pwr_clk_dis(unsigned int block);
+void cns3xxx_pwr_power_up(unsigned int block);
+void cns3xxx_pwr_power_down(unsigned int block);
+
+extern atomic_t usb_pwr_ref;
+
+#endif /* __CNS3XXX_PM_H */
diff --git a/arch/arm/mach-cns3xxx/pm.c b/arch/arm/mach-cns3xxx/pm.c
index 38e44706feab..5e579552aa54 100644
--- a/arch/arm/mach-cns3xxx/pm.c
+++ b/arch/arm/mach-cns3xxx/pm.c
@@ -6,10 +6,14 @@
  * published by the Free Software Foundation.
  */
 
+#include <linux/init.h>
+#include <linux/module.h>
 #include <linux/io.h>
 #include <linux/delay.h>
+#include <asm/atomic.h>
 #include <mach/system.h>
 #include <mach/cns3xxx.h>
+#include <mach/pm.h>
 
 void cns3xxx_pwr_clk_en(unsigned int block)
 {
@@ -18,6 +22,16 @@ void cns3xxx_pwr_clk_en(unsigned int block)
 	reg |= (block & PM_CLK_GATE_REG_MASK);
 	__raw_writel(reg, PM_CLK_GATE_REG);
 }
+EXPORT_SYMBOL(cns3xxx_pwr_clk_en);
+
+void cns3xxx_pwr_clk_dis(unsigned int block)
+{
+	u32 reg = __raw_readl(PM_CLK_GATE_REG);
+
+	reg &= ~(block & PM_CLK_GATE_REG_MASK);
+	__raw_writel(reg, PM_CLK_GATE_REG);
+}
+EXPORT_SYMBOL(cns3xxx_pwr_clk_dis);
 
 void cns3xxx_pwr_power_up(unsigned int block)
 {
@@ -29,6 +43,7 @@ void cns3xxx_pwr_power_up(unsigned int block)
 	/* Wait for 300us for the PLL output clock locked. */
 	udelay(300);
 };
+EXPORT_SYMBOL(cns3xxx_pwr_power_up);
 
 void cns3xxx_pwr_power_down(unsigned int block)
 {
@@ -38,6 +53,7 @@ void cns3xxx_pwr_power_down(unsigned int block)
 	reg |= (block & CNS3XXX_PWR_PLL_ALL);
 	__raw_writel(reg, PM_PLL_HM_PD_CTRL_REG);
 };
+EXPORT_SYMBOL(cns3xxx_pwr_power_down);
 
 static void cns3xxx_pwr_soft_rst_force(unsigned int block)
 {
@@ -51,11 +67,13 @@ static void cns3xxx_pwr_soft_rst_force(unsigned int block)
 		reg &= ~(block & PM_SOFT_RST_REG_MASK);
 	} else {
 		reg &= ~(block & PM_SOFT_RST_REG_MASK);
+		__raw_writel(reg, PM_SOFT_RST_REG);
 		reg |= (block & PM_SOFT_RST_REG_MASK);
 	}
 
 	__raw_writel(reg, PM_SOFT_RST_REG);
 }
+EXPORT_SYMBOL(cns3xxx_pwr_soft_rst_force);
 
 void cns3xxx_pwr_soft_rst(unsigned int block)
 {
@@ -69,6 +87,7 @@ void cns3xxx_pwr_soft_rst(unsigned int block)
 	}
 	cns3xxx_pwr_soft_rst_force(block);
 }
+EXPORT_SYMBOL(cns3xxx_pwr_soft_rst);
 
 void arch_reset(char mode, const char *cmd)
 {
@@ -99,3 +118,7 @@ int cns3xxx_cpu_clock(void)
 
 	return cpu;
 }
+EXPORT_SYMBOL(cns3xxx_cpu_clock);
+
+atomic_t usb_pwr_ref = ATOMIC_INIT(0);
+EXPORT_SYMBOL(usb_pwr_ref);