usb: dwc3: core: split host address space
This fix prevents a problem with dwc3 and host mode where
we were requesting the entire memory region in dwc3/core.c,
thus preventing xhci-plat from ever ioremapping its own address space.
Signed-off-by: Ido Shayevitz <idos@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index a32c2b5..c7b3ca0 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -52,6 +52,7 @@
/* Global constants */
#define DWC3_ENDPOINTS_NUM 32
+#define DWC3_XHCI_RESOURCES_NUM 2
#define DWC3_EVENT_BUFFERS_SIZE PAGE_SIZE
#define DWC3_EVENT_TYPE_MASK 0xfe
@@ -75,6 +76,16 @@
#define DWC3_GSNPSID_MASK 0xffff0000
#define DWC3_GSNPSREV_MASK 0xffff
+/* DWC3 registers memory space boundries */
+#define DWC3_XHCI_REGS_START 0x0
+#define DWC3_XHCI_REGS_END 0x7fff
+#define DWC3_GLOBALS_REGS_START 0xc100
+#define DWC3_GLOBALS_REGS_END 0xc6ff
+#define DWC3_DEVICE_REGS_START 0xc700
+#define DWC3_DEVICE_REGS_END 0xcbff
+#define DWC3_OTG_REGS_START 0xcc00
+#define DWC3_OTG_REGS_END 0xccff
+
/* Global Registers */
#define DWC3_GSBUSCFG0 0xc100
#define DWC3_GSBUSCFG1 0xc104
@@ -583,7 +594,7 @@
struct device *dev;
struct platform_device *xhci;
- struct resource *res;
+ struct resource xhci_resources[DWC3_XHCI_RESOURCES_NUM];
struct dwc3_event_buffer **ev_buffs;
struct dwc3_ep *eps[DWC3_ENDPOINTS_NUM];
@@ -594,8 +605,6 @@
void __iomem *regs;
size_t regs_size;
- int irq;
-
u32 num_event_buffers;
u32 u1u2;
u32 maximum_speed;