Odroid-XU3: adjust to support Tizen requirements

This patch includes changes required to boot Tizen,
by varoius authors:

arm: exynos5420: Adding support for board_usb_{init|cleanup}() functions
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>

samsung: common: board: call dwc3_uboot_exit() for boards with DWC3
Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>

config: Odroid-XU3: Support DFU download
Signed-off-by: Inha Song <ideal.song@samsung.com>

smdk5420: Add dfu_alt_info settings interface for support DFU download
Signed-off-by: Inha Song <ideal.song@samsung.com>
Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>

config: Odroid-XU3: Enable dwc3 usb gadget
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>

config: Odroid-XU3: Add default dfu device environment
Signed-off-by: Inha Song <ideal.song@samsung.com>

usb: config: odroid XU3: Enable UMS (Mass Storage) gadget
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>

Odroid-XU3: Enable check board signature when download bootloader
Signed-off-by: Inha Song <ideal.song@samsung.com>

odroid-xu3: config: add platform autoboot command
Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>

Odroid-XU3: Set rootfs device number to 0
Signed-off-by: Inha Song <ideal.song@samsung.com>

3 files changed, 175 insertions, 2 deletions

diff --git a/board/samsung/common/board.c b/board/samsung/common/board.c
index e359060870..b715bcdf6f 100644
--- a/board/samsung/common/board.c
+++ b/board/samsung/common/board.c
@@ -27,6 +27,7 @@
 #include <lcd.h>
 #include <samsung/misc.h>
 #include <usb.h>
+#include <dwc3-uboot.h>
 #include <samsung/multi-plat.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -423,5 +424,8 @@ void reset_misc(void)
 
 int board_usb_cleanup(int index, enum usb_init_type init)
 {
+#ifdef CONFIG_USB_DWC3
+	dwc3_uboot_exit(index);
+#endif
 	return 0;
 }
diff --git a/board/samsung/smdk5420/smdk5420.c b/board/samsung/smdk5420/smdk5420.c
index 82f607b24d..cab827ddc4 100644
--- a/board/samsung/smdk5420/smdk5420.c
+++ b/board/samsung/smdk5420/smdk5420.c
@@ -19,6 +19,12 @@
 #include <asm/arch/system.h>
 #include <asm/arch/dp_info.h>
 #include <power/tps65090_pmic.h>
+#include <usb.h>
+#include <dwc3-uboot.h>
+#include <mmc.h>
+#include <asm/arch/power.h>
+#include <samsung-usb-phy-uboot.h>
+#include <asm/arch/xhci-exynos.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -75,3 +81,62 @@ int board_get_revision(void)
 {
 	return 0;
 }
+
+static struct dwc3_device dwc3_device_data = {
+	.maximum_speed = USB_SPEED_SUPER,
+	.base = 0x12400000,
+	.dr_mode = USB_DR_MODE_PERIPHERAL,
+	.index = 0,
+};
+
+int usb_gadget_handle_interrupts(void)
+{
+	dwc3_uboot_handle_interrupt(0);
+	return 0;
+}
+
+int board_usb_init(int index, enum usb_init_type init)
+{
+	struct exynos_usb3_phy *phy = (struct exynos_usb3_phy *)
+		samsung_get_base_usb3_phy();
+
+	if (!phy) {
+		error("usb3 phy not supported");
+		return -ENODEV;
+	}
+
+	set_usbdrd_phy_ctrl(POWER_USB_DRD_PHY_CTRL_EN);
+	exynos5_usb3_phy_init(phy);
+
+	return dwc3_uboot_init(&dwc3_device_data);
+}
+
+#ifdef CONFIG_SET_DFU_ALT_INFO
+char *get_dfu_alt_system(char *interface, char *devstr)
+{
+	return getenv("dfu_alt_system");
+}
+
+char *get_dfu_alt_boot(char *interface, char *devstr)
+{
+	struct mmc *mmc;
+	char *alt_boot;
+	int dev_num;
+
+	dev_num = simple_strtoul(devstr, NULL, 10);
+
+	mmc = find_mmc_device(dev_num);
+	if (!mmc)
+		return NULL;
+
+	if (mmc_init(mmc))
+		return NULL;
+
+	if (IS_SD(mmc))
+		alt_boot = CONFIG_DFU_ALT_BOOT_SD;
+	else
+		alt_boot = CONFIG_DFU_ALT_BOOT_EMMC;
+
+	return alt_boot;
+}
+#endif
diff --git a/include/configs/odroid_xu3.h b/include/configs/odroid_xu3.h
index c395020919..82d5ba3b3e 100644
--- a/include/configs/odroid_xu3.h
+++ b/include/configs/odroid_xu3.h
@@ -13,6 +13,7 @@
 #define CONFIG_SYS_PROMPT		"ODROID-XU3 # "
 #define CONFIG_IDENT_STRING		" for ODROID-XU3"
 
+#define CONFIG_SIG
 #define CONFIG_BOARD_COMMON
 
 #define CONFIG_SYS_SDRAM_BASE		0x40000000
@@ -23,7 +24,11 @@
 
 #define TZPC_BASE_OFFSET		0x10000
 
+/* FLASH and environment organization */
+#define CONFIG_MMC_DEFAULT_DEV	0
+
 #define CONFIG_CMD_MMC
+#define CONFIG_CMD_DFU
 
 #define CONFIG_NR_DRAM_BANKS	8
 #define SDRAM_BANK_SIZE		(256UL << 20UL)	/* 256 MB */
@@ -35,8 +40,8 @@
 
 #undef CONFIG_ENV_SIZE
 #undef CONFIG_ENV_OFFSET
-#define CONFIG_ENV_SIZE			4096
-#define CONFIG_ENV_OFFSET		(SZ_1K * 1280) /* 1.25 MiB offset */
+#define CONFIG_ENV_SIZE			(SZ_1K * 16)
+#define CONFIG_ENV_OFFSET		(SZ_1K * 3136)
 
 #define CONFIG_SYS_INIT_SP_ADDR        (CONFIG_SYS_LOAD_ADDR - 0x1000000)
 
@@ -46,6 +51,105 @@
 #define CONFIG_USB_EHCI
 #define CONFIG_USB_EHCI_EXYNOS
 
+#define CONFIG_CMD_USB
+#define CONFIG_USB_STORAGE
+#define CONFIG_USB_HOST_ETHER
+#define CONFIG_USB_ETHER_SMSC95XX
+#define CONFIG_USB_DWC3_PHY_SAMSUNG
+
+/* USB Composite download gadget - g_dnl */
+#define CONFIG_USB_GADGET
+#define CONFIG_USB_GADGET_DUALSPEED
+#define CONFIG_USB_GADGET_VBUS_DRAW	2
+#define CONFIG_USBDOWNLOAD_GADGET
+
+/* TIZEN THOR downloader support */
+#define CONFIG_CMD_THOR_DOWNLOAD
+#define CONFIG_THOR_FUNCTION
+
+#define CONFIG_DFU_FUNCTION
+#define CONFIG_DFU_MMC
+#define CONFIG_SYS_DFU_DATA_BUF_SIZE SZ_32M
+#define DFU_DEFAULT_POLL_TIMEOUT 300
+
+/* USB Samsung's IDs */
+#define CONFIG_G_DNL_VENDOR_NUM 0x04E8
+#define CONFIG_G_DNL_PRODUCT_NUM 0x6601
+#define CONFIG_G_DNL_THOR_VENDOR_NUM CONFIG_G_DNL_VENDOR_NUM
+#define CONFIG_G_DNL_THOR_PRODUCT_NUM 0x685D
+#define CONFIG_G_DNL_UMS_VENDOR_NUM 0x0525
+#define CONFIG_G_DNL_UMS_PRODUCT_NUM 0xA4A5
+#define CONFIG_G_DNL_MANUFACTURER "Samsung"
+
+#define CONFIG_CMD_USB_MASS_STORAGE
+#define CONFIG_USB_DWC3
+#define CONFIG_USB_DWC3_GADGET
+#define CONFIG_USB_GADGET_MASS_STORAGE
+
+#define CONFIG_MISC_COMMON
+#define CONFIG_MISC_INIT_R
+
+#include <samsung/platform_boot.h>
+
+#undef CONFIG_BOOTCOMMAND
+#define CONFIG_BOOTCOMMAND	"run autoboot"
+
+#undef CONFIG_EXTRA_ENV_SETTINGS
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	PLATFORM_BOOT_INFO \
+	"checkboard=\0" \
+	"bootdelay=0\0" \
+	"rootfstype=ext4\0" \
+	"console=" CONFIG_DEFAULT_CONSOLE \
+	"fdtfile=exynos5422-odroidxu3.dtb\0" \
+	"mmcbootpart=1\0" \
+	"mmcrootdev=0\0" \
+	"mmcrootpart=2\0" \
+	"dfu_usb_con=0\0" \
+	"dfu_interface=mmc\0" \
+	"dfu_device=" __stringify(CONFIG_MMC_DEFAULT_DEV) "\0" \
+	"dfu_alt_system="CONFIG_DFU_ALT \
+	"dfu_alt_info=Autoset by THOR/DFU command run.\0"
+
+/* Partitions name for Tizen 3.0 */
+#define PARTS_BOOT		"boot"
+#define PARTS_ROOT		"platform"
+#define PARTS_DATA		"system-data"
+#define PARTS_USER		"user"
+#define PARTS_MODULES		"modules"
+
+#define CONFIG_DFU_ALT \
+	"uImage fat 0 1;" \
+	"zImage fat 0 1;" \
+	"Image.itb fat 0 1;" \
+	"uInitrd fat 0 1;" \
+	"exynos5422-odroidxu3.dtb fat 0 1;" \
+	""PARTS_BOOT" part 0 1;" \
+	""PARTS_ROOT" part 0 2;" \
+	""PARTS_DATA" part 0 3;" \
+	""PARTS_USER" part 0 5;" \
+	""PARTS_MODULES" part 0 6\0"
+
+#define CONFIG_SET_DFU_ALT_INFO
+#define CONFIG_SET_DFU_ALT_BUF_LEN	(SZ_1K)
+
+#define CONFIG_DFU_ALT_BOOT_EMMC \
+	"u-boot raw 0x3e 0x800 mmcpart 1;" \
+	"bl1 raw 0x0 0x1e mmcpart 1;" \
+	"bl2 raw 0x1e 0x1d mmcpart 1;" \
+	"tzsw raw 0x83e 0x200 mmcpart 1;" \
+	"params.bin raw 0x1880 0x20\0"
+
+#define CONFIG_DFU_ALT_BOOT_SD \
+	"u-boot raw 0x3f 0x800;" \
+	"bl1 raw 0x1 0x1e;" \
+	"bl2 raw 0x1f 0x1d;" \
+	"tzsw raw 0x83f 0x200;" \
+	"params.bin raw 0x1880 0x20\0"
+
+#define CONFIG_SET_DFU_ALT_INFO
+#define CONFIG_SET_DFU_ALT_BUF_LEN	(SZ_1K)
+
 /* FIXME: MUST BE REMOVED AFTER TMU IS TURNED ON */
 #undef CONFIG_EXYNOS_TMU
 #undef CONFIG_TMU_CMD_DTT