From d00bf7812181f53d6027610f35c1aa2018ce9fd3 Mon Sep 17 00:00:00 2001
From: Jiandong Zheng <jdzheng@broadcom.com>
Date: Thu, 9 Jul 2015 14:26:40 -0700
Subject: implement Fastboot via USB OTG on bcm28155_ap boards

Signed-off-by: Jiandong Zheng <jdzheng@broadcom.com>
Signed-off-by: Steve Rae <srae@broadcom.com>
---
 board/broadcom/bcm28155_ap/bcm28155_ap.c | 40 ++++++++++++++++++++++++++++++++
 drivers/usb/gadget/Makefile              |  1 +
 include/configs/bcm28155_ap.h            | 20 ++++++++++++++++
 3 files changed, 61 insertions(+)

diff --git a/board/broadcom/bcm28155_ap/bcm28155_ap.c b/board/broadcom/bcm28155_ap/bcm28155_ap.c
index 940a1c2c50..20eb19142a 100644
--- a/board/broadcom/bcm28155_ap/bcm28155_ap.c
+++ b/board/broadcom/bcm28155_ap/bcm28155_ap.c
@@ -12,12 +12,20 @@
 #include <asm/kona-common/clk.h>
 #include <asm/arch/sysmap.h>
 
+#include <usb.h>
+#include <usb/s3c_udc.h>
+#include <g_dnl.h>
+
 #define SECWATCHDOG_SDOGCR_OFFSET	0x00000000
 #define SECWATCHDOG_SDOGCR_EN_SHIFT	27
 #define SECWATCHDOG_SDOGCR_SRSTEN_SHIFT	26
 #define SECWATCHDOG_SDOGCR_CLKS_SHIFT	20
 #define SECWATCHDOG_SDOGCR_LD_SHIFT	0
 
+#ifndef CONFIG_USB_SERIALNO
+#define CONFIG_USB_SERIALNO "1234567890"
+#endif
+
 DECLARE_GLOBAL_DATA_PTR;
 
 /*
@@ -85,3 +93,35 @@ int board_mmc_init(bd_t *bis)
 	return ret;
 }
 #endif
+
+#ifdef CONFIG_USB_GADGET
+static struct s3c_plat_otg_data bcm_otg_data = {
+	.regs_otg	= HSOTG_BASE_ADDR
+};
+
+int board_usb_init(int index, enum usb_init_type init)
+{
+	debug("%s: performing s3c_udc_probe\n", __func__);
+	return s3c_udc_probe(&bcm_otg_data);
+}
+
+int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
+{
+	debug("%s\n", __func__);
+	if (!getenv("serial#"))
+		g_dnl_set_serialnumber(CONFIG_USB_SERIALNO);
+	return 0;
+}
+
+int g_dnl_get_board_bcd_device_number(int gcnum)
+{
+	debug("%s\n", __func__);
+	return 1;
+}
+
+int board_usb_cleanup(int index, enum usb_init_type init)
+{
+	debug("%s\n", __func__);
+	return 0;
+}
+#endif
diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index 4e15323131..4c11a7e326 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -11,6 +11,7 @@ obj-$(CONFIG_USB_ETHER) += epautoconf.o config.o usbstring.o
 # new USB gadget layer dependencies
 ifdef CONFIG_USB_GADGET
 obj-$(CONFIG_USB_GADGET_ATMEL_USBA) += atmel_usba_udc.o
+obj-$(CONFIG_USB_GADGET_BCM_UDC_OTG_PHY) += bcm_udc_otg_phy.o
 obj-$(CONFIG_USB_GADGET_S3C_UDC_OTG) += s3c_udc_otg.o
 obj-$(CONFIG_USB_GADGET_S3C_UDC_OTG_PHY) += s3c_udc_otg_phy.o
 obj-$(CONFIG_USB_GADGET_FOTG210) += fotg210.o
diff --git a/include/configs/bcm28155_ap.h b/include/configs/bcm28155_ap.h
index 8f0f7f03fc..97e15086d5 100644
--- a/include/configs/bcm28155_ap.h
+++ b/include/configs/bcm28155_ap.h
@@ -108,6 +108,7 @@
  * for example.
  */
 #define CONFIG_DOS_PARTITION
+#define CONFIG_EFI_PARTITION
 
 /* version string, parser, etc */
 #define CONFIG_VERSION_VARIABLE
@@ -133,4 +134,23 @@
 #define CONFIG_FAT_WRITE
 
 
+/* Fastboot and USB OTG */
+#define CONFIG_USB_FUNCTION_FASTBOOT
+#define CONFIG_CMD_FASTBOOT
+#define CONFIG_FASTBOOT_FLASH
+#define CONFIG_FASTBOOT_FLASH_MMC_DEV	0
+#define CONFIG_SYS_CACHELINE_SIZE	64
+#define CONFIG_USB_FASTBOOT_BUF_SIZE	(CONFIG_SYS_SDRAM_SIZE - SZ_1M)
+#define CONFIG_USB_FASTBOOT_BUF_ADDR	CONFIG_SYS_SDRAM_BASE
+#define CONFIG_USB_GADGET
+#define CONFIG_USB_GADGET_DUALSPEED
+#define CONFIG_USB_GADGET_VBUS_DRAW	0
+#define CONFIG_USB_GADGET_S3C_UDC_OTG
+#define CONFIG_USB_GADGET_BCM_UDC_OTG_PHY
+#define CONFIG_USB_GADGET_DOWNLOAD
+#define CONFIG_USBID_ADDR		0x34052c46
+#define CONFIG_G_DNL_VENDOR_NUM		0x18d1	/* google */
+#define CONFIG_G_DNL_PRODUCT_NUM	0x0d02	/* nexus one */
+#define CONFIG_G_DNL_MANUFACTURER	"Broadcom Corporation"
+
 #endif /* __BCM28155_AP_H */
-- 
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