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-rw-r--r--arch/arm/mach-shmobile/setup-r8a7779.c215
1 files changed, 197 insertions, 18 deletions
diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c
index b0b3948..3986877 100644
--- a/arch/arm/mach-shmobile/setup-r8a7779.c
+++ b/arch/arm/mach-shmobile/setup-r8a7779.c
@@ -32,6 +32,11 @@
#include <linux/sh_intc.h>
#include <linux/sh_timer.h>
#include <linux/dma-mapping.h>
+#include <linux/usb/otg.h>
+#include <linux/usb/hcd.h>
+#include <linux/usb/ehci_pdriver.h>
+#include <linux/usb/ohci_pdriver.h>
+#include <linux/pm_runtime.h>
#include <mach/hardware.h>
#include <mach/irqs.h>
#include <mach/r8a7779.h>
@@ -65,11 +70,7 @@ void __init r8a7779_map_io(void)
}
static struct resource r8a7779_pfc_resources[] = {
- [0] = {
- .start = 0xfffc0000,
- .end = 0xfffc023b,
- .flags = IORESOURCE_MEM,
- },
+ DEFINE_RES_MEM(0xfffc0000, 0x023c),
};
static struct platform_device r8a7779_pfc_device = {
@@ -81,15 +82,8 @@ static struct platform_device r8a7779_pfc_device = {
#define R8A7779_GPIO(idx, npins) \
static struct resource r8a7779_gpio##idx##_resources[] = { \
- [0] = { \
- .start = 0xffc40000 + 0x1000 * (idx), \
- .end = 0xffc4002b + 0x1000 * (idx), \
- .flags = IORESOURCE_MEM, \
- }, \
- [1] = { \
- .start = gic_iid(0xad + (idx)), \
- .flags = IORESOURCE_IRQ, \
- } \
+ DEFINE_RES_MEM(0xffc40000 + (0x1000 * (idx)), 0x002c), \
+ DEFINE_RES_IRQ(gic_iid(0xad + (idx))), \
}; \
\
static struct gpio_rcar_config r8a7779_gpio##idx##_platform_data = { \
@@ -394,6 +388,165 @@ static struct platform_device sata_device = {
},
};
+/* USB PHY */
+static struct resource usb_phy_resources[] __initdata = {
+ [0] = {
+ .start = 0xffe70800,
+ .end = 0xffe70900 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+/* USB */
+static struct usb_phy *phy;
+
+static int usb_power_on(struct platform_device *pdev)
+{
+ if (IS_ERR(phy))
+ return PTR_ERR(phy);
+
+ pm_runtime_enable(&pdev->dev);
+ pm_runtime_get_sync(&pdev->dev);
+
+ usb_phy_init(phy);
+
+ return 0;
+}
+
+static void usb_power_off(struct platform_device *pdev)
+{
+ if (IS_ERR(phy))
+ return;
+
+ usb_phy_shutdown(phy);
+
+ pm_runtime_put_sync(&pdev->dev);
+ pm_runtime_disable(&pdev->dev);
+}
+
+static int ehci_init_internal_buffer(struct usb_hcd *hcd)
+{
+ /*
+ * Below are recommended values from the datasheet;
+ * see [USB :: Setting of EHCI Internal Buffer].
+ */
+ /* EHCI IP internal buffer setting */
+ iowrite32(0x00ff0040, hcd->regs + 0x0094);
+ /* EHCI IP internal buffer enable */
+ iowrite32(0x00000001, hcd->regs + 0x009C);
+
+ return 0;
+}
+
+static struct usb_ehci_pdata ehcix_pdata = {
+ .power_on = usb_power_on,
+ .power_off = usb_power_off,
+ .power_suspend = usb_power_off,
+ .pre_setup = ehci_init_internal_buffer,
+};
+
+static struct resource ehci0_resources[] = {
+ [0] = {
+ .start = 0xffe70000,
+ .end = 0xffe70400 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = gic_iid(0x4c),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device ehci0_device = {
+ .name = "ehci-platform",
+ .id = 0,
+ .dev = {
+ .dma_mask = &ehci0_device.dev.coherent_dma_mask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &ehcix_pdata,
+ },
+ .num_resources = ARRAY_SIZE(ehci0_resources),
+ .resource = ehci0_resources,
+};
+
+static struct resource ehci1_resources[] = {
+ [0] = {
+ .start = 0xfff70000,
+ .end = 0xfff70400 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = gic_iid(0x4d),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device ehci1_device = {
+ .name = "ehci-platform",
+ .id = 1,
+ .dev = {
+ .dma_mask = &ehci1_device.dev.coherent_dma_mask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &ehcix_pdata,
+ },
+ .num_resources = ARRAY_SIZE(ehci1_resources),
+ .resource = ehci1_resources,
+};
+
+static struct usb_ohci_pdata ohcix_pdata = {
+ .power_on = usb_power_on,
+ .power_off = usb_power_off,
+ .power_suspend = usb_power_off,
+};
+
+static struct resource ohci0_resources[] = {
+ [0] = {
+ .start = 0xffe70400,
+ .end = 0xffe70800 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = gic_iid(0x4c),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device ohci0_device = {
+ .name = "ohci-platform",
+ .id = 0,
+ .dev = {
+ .dma_mask = &ohci0_device.dev.coherent_dma_mask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &ohcix_pdata,
+ },
+ .num_resources = ARRAY_SIZE(ohci0_resources),
+ .resource = ohci0_resources,
+};
+
+static struct resource ohci1_resources[] = {
+ [0] = {
+ .start = 0xfff70400,
+ .end = 0xfff70800 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = gic_iid(0x4d),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device ohci1_device = {
+ .name = "ohci-platform",
+ .id = 1,
+ .dev = {
+ .dma_mask = &ohci1_device.dev.coherent_dma_mask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &ohcix_pdata,
+ },
+ .num_resources = ARRAY_SIZE(ohci1_resources),
+ .resource = ohci1_resources,
+};
+
/* Ether */
static struct resource ether_resources[] = {
{
@@ -417,7 +570,7 @@ static struct platform_device *r8a7779_devices_dt[] __initdata = {
&tmu01_device,
};
-static struct platform_device *r8a7779_late_devices[] __initdata = {
+static struct platform_device *r8a7779_standard_devices[] __initdata = {
&i2c0_device,
&i2c1_device,
&i2c2_device,
@@ -437,18 +590,26 @@ void __init r8a7779_add_standard_devices(void)
platform_add_devices(r8a7779_devices_dt,
ARRAY_SIZE(r8a7779_devices_dt));
- platform_add_devices(r8a7779_late_devices,
- ARRAY_SIZE(r8a7779_late_devices));
+ platform_add_devices(r8a7779_standard_devices,
+ ARRAY_SIZE(r8a7779_standard_devices));
}
void __init r8a7779_add_ether_device(struct sh_eth_plat_data *pdata)
{
- platform_device_register_resndata(&platform_bus, "sh_eth", -1,
+ platform_device_register_resndata(&platform_bus, "r8a777x-ether", -1,
ether_resources,
ARRAY_SIZE(ether_resources),
pdata, sizeof(*pdata));
}
+void __init r8a7779_add_usb_phy_device(struct rcar_phy_platform_data *pdata)
+{
+ platform_device_register_resndata(&platform_bus, "rcar_usb_phy", -1,
+ usb_phy_resources,
+ ARRAY_SIZE(usb_phy_resources),
+ pdata, sizeof(*pdata));
+}
+
/* do nothing for !CONFIG_SMP or !CONFIG_HAVE_TWD */
void __init __weak r8a7779_register_twd(void) { }
@@ -481,6 +642,23 @@ void __init r8a7779_add_early_devices(void)
*/
}
+static struct platform_device *r8a7779_late_devices[] __initdata = {
+ &ehci0_device,
+ &ehci1_device,
+ &ohci0_device,
+ &ohci1_device,
+};
+
+void __init r8a7779_init_late(void)
+{
+ /* get USB PHY */
+ phy = usb_get_phy(USB_PHY_TYPE_USB2);
+
+ shmobile_init_late();
+ platform_add_devices(r8a7779_late_devices,
+ ARRAY_SIZE(r8a7779_late_devices));
+}
+
#ifdef CONFIG_USE_OF
void __init r8a7779_init_delay(void)
{
@@ -514,6 +692,7 @@ DT_MACHINE_START(R8A7779_DT, "Generic R8A7779 (Flattened Device Tree)")
.init_irq = r8a7779_init_irq_dt,
.init_machine = r8a7779_add_standard_devices_dt,
.init_time = shmobile_timer_init,
+ .init_late = r8a7779_init_late,
.dt_compat = r8a7779_compat_dt,
MACHINE_END
#endif /* CONFIG_USE_OF */
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