xtensa: xtfpga: add CY7C67300 USB controller support

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

arch/xtensa/platforms/xtfpga/include/platform/hardware.h

@@ -62,4 +62,7 @@
 				/* 5*rx buffs + 5*tx buffs */
 #define OETH_SRAMBUFF_SIZE	(5 * 0x600 + 5 * 0x600)
 
+#define C67X00_PADDR		(XCHAL_KIO_PADDR + 0x0D0D0000)
+#define C67X00_SIZE		0x10
+#define C67X00_IRQ		5
 #endif /* __XTENSA_XTAVNET_HARDWARE_H */

arch/xtensa/platforms/xtfpga/setup.c

@@ -189,6 +189,7 @@ void __init platform_calibrate_ccount(void)
 #include <linux/serial_8250.h>
 #include <linux/if.h>
 #include <net/ethoc.h>
+#include <linux/usb/c67x00.h>
 
 /*----------------------------------------------------------------------------
  *  Ethernet -- OpenCores Ethernet MAC (ethoc driver)
@@ -232,6 +233,38 @@ static struct platform_device ethoc_device = {
 	},
 };
 
+/*----------------------------------------------------------------------------
+ *  USB Host/Device -- Cypress CY7C67300
+ */
+
+static struct resource c67x00_res[] = {
+	[0] = { /* register space */
+		.start = C67X00_PADDR,
+		.end   = C67X00_PADDR + C67X00_SIZE - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = { /* IRQ number */
+		.start = C67X00_IRQ,
+		.end   = C67X00_IRQ,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct c67x00_platform_data c67x00_pdata = {
+	.sie_config = C67X00_SIE1_HOST | C67X00_SIE2_UNUSED,
+	.hpi_regstep = 4,
+};
+
+static struct platform_device c67x00_device = {
+	.name = "c67x00",
+	.id = -1,
+	.num_resources = ARRAY_SIZE(c67x00_res),
+	.resource = c67x00_res,
+	.dev = {
+		.platform_data = &c67x00_pdata,
+	},
+};
+
 /*----------------------------------------------------------------------------
  *  UART
  */
@@ -268,6 +301,7 @@ static struct platform_device xtavnet_uart = {
 /* platform devices */
 static struct platform_device *platform_devices[] __initdata = {
 	&ethoc_device,
+	&c67x00_device,
 	&xtavnet_uart,
 };