aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-davinci/usb.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-davinci/usb.c')
-rw-r--r--arch/arm/mach-davinci/usb.c84
1 files changed, 75 insertions, 9 deletions
diff --git a/arch/arm/mach-davinci/usb.c b/arch/arm/mach-davinci/usb.c
index 06f55931620..31f0cbea0ca 100644
--- a/arch/arm/mach-davinci/usb.c
+++ b/arch/arm/mach-davinci/usb.c
@@ -1,21 +1,21 @@
/*
* USB
*/
-#include <linux/kernel.h>
-#include <linux/module.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/usb/musb.h>
-#include <linux/usb/otg.h>
#include <mach/common.h>
-#include <mach/hardware.h>
#include <mach/irqs.h>
#include <mach/cputype.h>
+#include <mach/usb.h>
-#define DAVINCI_USB_OTG_BASE 0x01C64000
+#define DAVINCI_USB_OTG_BASE 0x01c64000
+
+#define DA8XX_USB0_BASE 0x01e00000
+#define DA8XX_USB1_BASE 0x01e25000
#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
static struct musb_hdrc_eps_bits musb_eps[] = {
@@ -85,10 +85,10 @@ static struct platform_device usb_dev = {
.num_resources = ARRAY_SIZE(usb_resources),
};
-void __init setup_usb(unsigned mA, unsigned potpgt_msec)
+void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms)
{
- usb_data.power = mA / 2;
- usb_data.potpgt = potpgt_msec / 2;
+ usb_data.power = mA > 510 ? 255 : mA / 2;
+ usb_data.potpgt = (potpgt_ms + 1) / 2;
if (cpu_is_davinci_dm646x()) {
/* Override the defaults as DM6467 uses different IRQs. */
@@ -100,11 +100,77 @@ void __init setup_usb(unsigned mA, unsigned potpgt_msec)
platform_device_register(&usb_dev);
}
+#ifdef CONFIG_ARCH_DAVINCI_DA8XX
+static struct resource da8xx_usb20_resources[] = {
+ {
+ .start = DA8XX_USB0_BASE,
+ .end = DA8XX_USB0_BASE + SZ_64K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_DA8XX_USB_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+int __init da8xx_register_usb20(unsigned mA, unsigned potpgt)
+{
+ usb_data.clock = "usb20";
+ usb_data.power = mA > 510 ? 255 : mA / 2;
+ usb_data.potpgt = (potpgt + 1) / 2;
+
+ usb_dev.resource = da8xx_usb20_resources;
+ usb_dev.num_resources = ARRAY_SIZE(da8xx_usb20_resources);
+
+ return platform_device_register(&usb_dev);
+}
+#endif /* CONFIG_DAVINCI_DA8XX */
+
#else
-void __init setup_usb(unsigned mA, unsigned potpgt_msec)
+void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms)
{
}
+#ifdef CONFIG_ARCH_DAVINCI_DA8XX
+int __init da8xx_register_usb20(unsigned mA, unsigned potpgt)
+{
+ return 0;
+}
+#endif
+
#endif /* CONFIG_USB_MUSB_HDRC */
+#ifdef CONFIG_ARCH_DAVINCI_DA8XX
+static struct resource da8xx_usb11_resources[] = {
+ [0] = {
+ .start = DA8XX_USB1_BASE,
+ .end = DA8XX_USB1_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_DA8XX_IRQN,
+ .end = IRQ_DA8XX_IRQN,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static u64 da8xx_usb11_dma_mask = DMA_BIT_MASK(32);
+
+static struct platform_device da8xx_usb11_device = {
+ .name = "ohci",
+ .id = 0,
+ .dev = {
+ .dma_mask = &da8xx_usb11_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .num_resources = ARRAY_SIZE(da8xx_usb11_resources),
+ .resource = da8xx_usb11_resources,
+};
+
+int __init da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata)
+{
+ da8xx_usb11_device.dev.platform_data = pdata;
+ return platform_device_register(&da8xx_usb11_device);
+}
+#endif /* CONFIG_DAVINCI_DA8XX */