cns3xxx: fix USB ehci/ohci platform driver

Update ehci/ohci driver registration to conform to the new platform
drivers.

This fixes missing USB host support in 3.8.x

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
SVN-Revision: 36309

diff --git a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c
index cd1aa716dc5c820125aa07ee271fd17316a89a00..9c835f3010e41bd3b4d0052628d25dc715f2dbb2 100644 (file)
--- a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c
+++ b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c
@@ -9,7 +9,7 @@
  *               Anton Vorontsov <avorontsov@mvista.com>
  * Copyright 2011 Gateworks Corporation
  *               Chris Lang <clang@gateworks.com>
- * Copyright 2012 Gateworks Corporation
+ * Copyright 2012-2013 Gateworks Corporation
  *               Tim Harvey <tharvey@gateworks.com>
  *
  * This file is free software; you can redistribute it and/or modify
@@ -37,6 +37,8 @@
 #include <linux/spi/flash.h>
 #include <linux/if_ether.h>
 #include <linux/pps-gpio.h>
+#include <linux/usb/ehci_pdriver.h>
+#include <linux/usb/ohci_pdriver.h>
 #include <asm/setup.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -414,13 +416,52 @@ static struct resource cns3xxx_usb_ehci_resources[] = {
 
 static u64 cns3xxx_usb_ehci_dma_mask = DMA_BIT_MASK(32);
 
+static int csn3xxx_usb_power_on(struct platform_device *pdev)
+{
+       /*
+        * EHCI and OHCI share the same clock and power,
+        * resetting twice would cause the 1st controller been reset.
+        * Therefore only do power up  at the first up device, and
+        * power down at the last down device.
+        *
+        * Set USB AHB INCR length to 16
+        */
+       if (atomic_inc_return(&usb_pwr_ref) == 1) {
+               cns3xxx_pwr_power_up(1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_PLL_USB);
+               cns3xxx_pwr_clk_en(1 << PM_CLK_GATE_REG_OFFSET_USB_HOST);
+               cns3xxx_pwr_soft_rst(1 << PM_SOFT_RST_REG_OFFST_USB_HOST);
+               __raw_writel((__raw_readl(MISC_CHIP_CONFIG_REG) | (0X2 << 24)),
+                       MISC_CHIP_CONFIG_REG);
+       }
+
+       return 0;
+}
+
+static void csn3xxx_usb_power_off(struct platform_device *pdev)
+{
+       /*
+        * EHCI and OHCI share the same clock and power,
+        * resetting twice would cause the 1st controller been reset.
+        * Therefore only do power up  at the first up device, and
+        * power down at the last down device.
+        */
+       if (atomic_dec_return(&usb_pwr_ref) == 0)
+               cns3xxx_pwr_clk_dis(1 << PM_CLK_GATE_REG_OFFSET_USB_HOST);
+}
+
+static struct usb_ehci_pdata cns3xxx_usb_ehci_pdata = {
+       .power_on       = csn3xxx_usb_power_on,
+       .power_off      = csn3xxx_usb_power_off,
+};
+
 static struct platform_device cns3xxx_usb_ehci_device = {
-       .name          = "cns3xxx-ehci",
+       .name          = "ehci-platform",
        .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),
+               .platform_data     = &cns3xxx_usb_ehci_pdata,
        },
 };
 
@@ -438,13 +479,20 @@ static struct resource cns3xxx_usb_ohci_resources[] = {
 
 static u64 cns3xxx_usb_ohci_dma_mask = DMA_BIT_MASK(32);
 
+static struct usb_ohci_pdata cns3xxx_usb_ohci_pdata = {
+       .num_ports      = 1,
+       .power_on       = csn3xxx_usb_power_on,
+       .power_off      = csn3xxx_usb_power_off,
+};
+
 static struct platform_device cns3xxx_usb_ohci_device = {
-       .name          = "cns3xxx-ohci",
+       .name          = "ohci-platform",
        .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),
+               .platform_data     = &cns3xxx_usb_ohci_pdata,
        },
 };
 

diff --git a/target/linux/cns3xxx/patches-3.8/025-smp_support.patch b/target/linux/cns3xxx/patches-3.8/025-smp_support.patch
index e777938e576252c24d21033cd56c11220f6bbfb2..82b1ce6f392d82e78f346b159ed1ac8819f65ed6 100644 (file)
--- a/target/linux/cns3xxx/patches-3.8/025-smp_support.patch
+++ b/target/linux/cns3xxx/patches-3.8/025-smp_support.patch
@@ -28,7 +28,7 @@
  #ifdef CONFIG_CACHE_L2X0
 --- a/arch/arm/mach-cns3xxx/laguna.c
 +++ b/arch/arm/mach-cns3xxx/laguna.c
-@@ -941,6 +941,7 @@ static int __init laguna_model_setup(voi
+@@ -989,6 +989,7 @@ static int __init laguna_model_setup(voi
  late_initcall(laguna_model_setup);
  
  MACHINE_START(GW2388, "Gateworks Corporation Laguna Platform")