Openwrt/target/linux/brcm63xx/patches-3.3/180-udc_preliminary_support.patch

--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -29,6 +29,7 @@
 #include <bcm63xx_dev_pcmcia.h>
 #include <bcm63xx_dev_usb_ohci.h>
 #include <bcm63xx_dev_usb_ehci.h>
+#include <bcm63xx_dev_usb_udc.h>
 #include <board_bcm963xx.h>
 
 #define PFX	"board_bcm963xx: "
@@ -400,6 +401,8 @@ static struct board_info __initdata boar
 	.has_ohci0			= 1,
 	.has_pccard			= 1,
 	.has_ehci0			= 1,
+
+	.has_udc0			= 1,
 };
 
 static struct board_info __initdata board_rta1025w_16 = {
@@ -932,6 +935,9 @@ int __init board_register_devices(void)
 	}
 #endif
 
+	if (board.has_udc0)
+		bcm63xx_udc_register();
+
 	/* read base address of boot chip select (0) */
 	val = bcm_mpi_readl(MPI_CSBASE_REG(0));
 	val &= MPI_CSBASE_BASE_MASK;
--- /dev/null
+++ b/arch/mips/bcm63xx/dev-usb-udc.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2009	Henk Vergonet <Henk.Vergonet@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <bcm63xx_cpu.h>
+
+static struct resource udc_resources[] = {
+	{
+		.start		= -1, /* filled at runtime */
+		.end		= -1, /* filled at runtime */
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= -1, /* filled at runtime */
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static u64 udc_dmamask = ~(u32)0;
+
+static struct platform_device bcm63xx_udc_device = {
+	.name		= "bcm63xx-udc",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(udc_resources),
+	.resource	= udc_resources,
+	.dev		= {
+		.dma_mask		= &udc_dmamask,
+		.coherent_dma_mask	= 0xffffffff,
+	},
+};
+
+int __init bcm63xx_udc_register(void)
+{
+	if (!BCMCPU_IS_6338() && !BCMCPU_IS_6345() && !BCMCPU_IS_6348())
+		return 0;
+
+	udc_resources[0].start = bcm63xx_regset_address(RSET_UDC0);
+	udc_resources[0].end = udc_resources[0].start;
+	udc_resources[0].end += RSET_UDC_SIZE - 1;
+	udc_resources[1].start = bcm63xx_get_irq_number(IRQ_UDC0);
+	return platform_device_register(&bcm63xx_udc_device);
+}
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
@@ -163,7 +163,7 @@ enum bcm63xx_regs_set {
 #define BCM_6338_GPIO_BASE		(0xfffe0400)
 #define BCM_6338_SPI_BASE		(0xfffe0c00)
 #define BCM_6338_SPI2_BASE		(0xdeadbeef)
-#define BCM_6338_UDC0_BASE		(0xdeadbeef)
+#define BCM_6338_UDC0_BASE		(0xfffe3000)
 #define BCM_6338_USBDMA_BASE		(0xfffe2400)
 #define BCM_6338_OHCI0_BASE		(0xdeadbeef)
 #define BCM_6338_OHCI_PRIV_BASE		(0xfffe3000)
@@ -207,7 +207,7 @@ enum bcm63xx_regs_set {
 #define BCM_6345_GPIO_BASE		(0xfffe0400)
 #define BCM_6345_SPI_BASE		(0xdeadbeef)
 #define BCM_6345_SPI2_BASE		(0xdeadbeef)
-#define BCM_6345_UDC0_BASE		(0xdeadbeef)
+#define BCM_6345_UDC0_BASE		(0xfffe2100)
 #define BCM_6345_USBDMA_BASE		(0xfffe2800)
 #define BCM_6345_ENET0_BASE		(0xfffe1800)
 #define BCM_6345_ENETDMA_BASE		(0xfffe2800)
@@ -291,7 +291,7 @@ enum bcm63xx_regs_set {
 #define BCM_6358_GPIO_BASE		(0xfffe0080)
 #define BCM_6358_SPI_BASE		(0xdeadbeef)
 #define BCM_6358_SPI2_BASE		(0xfffe0800)
-#define BCM_6358_UDC0_BASE		(0xfffe0800)
+#define BCM_6358_UDC0_BASE		(0xfffe0400)
 #define BCM_6358_OHCI0_BASE		(0xfffe1400)
 #define BCM_6358_OHCI_PRIV_BASE		(0xdeadbeef)
 #define BCM_6358_USBH_PRIV_BASE		(0xfffe1500)
@@ -481,6 +481,7 @@ enum bcm63xx_irq {
 	IRQ_UART0,
 	IRQ_UART1,
 	IRQ_DSL,
+	IRQ_UDC0,
 	IRQ_ENET0,
 	IRQ_ENET1,
 	IRQ_ENET_PHY,
@@ -547,6 +548,7 @@ enum bcm63xx_irq {
 #define BCM_6345_ENET_PHY_IRQ		(IRQ_INTERNAL_BASE + 12)
 #define BCM_6345_OHCI0_IRQ		0
 #define BCM_6345_EHCI0_IRQ		0
+#define BCM_6345_UDC0_IRQ		(IRQ_INTERNAL_BASE + 5)
 #define BCM_6345_ENET0_RXDMA_IRQ	(IRQ_INTERNAL_BASE + 13 + 1)
 #define BCM_6345_ENET0_TXDMA_IRQ	(IRQ_INTERNAL_BASE + 13 + 2)
 #define BCM_6345_ENET1_RXDMA_IRQ	0
@@ -577,6 +579,13 @@ enum bcm63xx_irq {
 #define BCM_6348_ENET_PHY_IRQ		(IRQ_INTERNAL_BASE + 9)
 #define BCM_6348_OHCI0_IRQ		(IRQ_INTERNAL_BASE + 12)
 #define BCM_6348_EHCI0_IRQ		0
+#define BCM_6348_UDC0_IRQ		(IRQ_INTERNAL_BASE + 6)
+#define BCM_6348_USB_CNTL_RX_DMA_IRQ	(IRQ_INTERNAL_BASE + 14)
+#define BCM_6348_USB_CNTL_TX_DMA_IRQ	(IRQ_INTERNAL_BASE + 15)
+#define BCM_6348_USB_BULK_RX_DMA_IRQ	(IRQ_INTERNAL_BASE + 16)
+#define BCM_6348_USB_BULK_TX_DMA_IRQ	(IRQ_INTERNAL_BASE + 17)
+#define BCM_6348_USB_ISO_RX_DMA_IRQ	(IRQ_INTERNAL_BASE + 18)
+#define BCM_6348_USB_ISO_TX_DMA_IRQ	(IRQ_INTERNAL_BASE + 19)
 #define BCM_6348_ENET0_RXDMA_IRQ	(IRQ_INTERNAL_BASE + 20)
 #define BCM_6348_ENET0_TXDMA_IRQ	(IRQ_INTERNAL_BASE + 21)
 #define BCM_6348_ENET1_RXDMA_IRQ	(IRQ_INTERNAL_BASE + 22)
--- /dev/null
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_udc.h
@@ -0,0 +1,6 @@
+#ifndef BCM63XX_DEV_USB_UDC_H_
+#define BCM63XX_DEV_USB_UDC_H_
+
+int bcm63xx_udc_register(void);
+
+#endif /* BCM63XX_DEV_USB_UDC_H_ */
--- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
+++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
@@ -48,6 +48,7 @@ struct board_info {
 	unsigned int	has_dsp:1;
 	unsigned int	has_uart0:1;
 	unsigned int	has_uart1:1;
+	unsigned int	has_udc0:1;
 
 	/* ethernet config */
 	struct bcm63xx_enet_platform_data enet0;
--- a/arch/mips/bcm63xx/Makefile
+++ b/arch/mips/bcm63xx/Makefile
@@ -1,6 +1,6 @@
 obj-y		+= clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \
 		   dev-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o \
-		   dev-usb-ehci.o dev-usb-ohci.o dev-wdt.o
+		   dev-usb-ehci.o dev-usb-ohci.o dev-usb-udc.o dev-wdt.o
 obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
 
 obj-y		+= boards/
--- a/arch/mips/bcm63xx/clk.c
+++ b/arch/mips/bcm63xx/clk.c
@@ -171,6 +171,30 @@ static struct clk clk_usbh = {
 };
 
 /*
+ * USB slave clock
+ */
+static void usbs_set(struct clk *clk, int enable)
+{
+	u32 mask;
+
+	switch(bcm63xx_get_cpu_id()) {
+	case BCM6338_CPU_ID:
+		mask = CKCTL_6338_USBS_EN;
+		break;
+	case BCM6348_CPU_ID:
+		mask = CKCTL_6348_USBS_EN;
+		break;
+	default:
+		return;
+	}
+	bcm_hwclock_set(mask, enable);
+}
+
+static struct clk clk_usbs = {
+	.set    = usbs_set,
+};
+
+/*
  * SPI clock
  */
 static void spi_set(struct clk *clk, int enable)
@@ -270,6 +294,8 @@ struct clk *clk_get(struct device *dev,
 		return &clk_ephy;
 	if (!strcmp(id, "usbh"))
 		return &clk_usbh;
+	if (!strcmp(id, "usbs"))
+		return &clk_usbs;
 	if (!strcmp(id, "spi"))
 		return &clk_spi;
 	if (!strcmp(id, "xtm"))
--- a/arch/mips/bcm63xx/Kconfig
+++ b/arch/mips/bcm63xx/Kconfig
@@ -5,6 +5,7 @@ config BCM63XX_CPU_6338
 	bool "support 6338 CPU"
 	select HW_HAS_PCI
 	select USB_ARCH_HAS_OHCI if USB_SUPPORT
+	select USB_ARCH_HAS_UDC
 
 config BCM63XX_CPU_6345
 	bool "support 6345 CPU"
@@ -13,6 +14,7 @@ config BCM63XX_CPU_6348
 	bool "support 6348 CPU"
 	select HW_HAS_PCI
 	select USB_ARCH_HAS_OHCI if USB_SUPPORT
+	select USB_ARCH_HAS_UDC
 
 config BCM63XX_CPU_6358
 	bool "support 6358 CPU"