From 9e4e2adbbc4e73d3ea0fdeeede5f297b698492c6 Mon Sep 17 00:00:00 2001
From: Paul Kocialkowski <contact@paulk.fr>
Date: Mon, 20 Jul 2015 15:17:15 +0200
Subject: [PATCH] sniper: Fastboot support

This adds support for the fastboot USB gadget, including flashing to the
internal MMC and reboot to bootloader or not.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Reviewed-by: Tom Rini <trini@konsulko.com>
[trini: Update to use Kconfig for MUSB]
Signed-off-by: Tom Rini <trini@konsulko.com>
---
 board/lge/sniper/sniper.c | 30 ++++++++++++++++++++++++++++++
 configs/sniper_defconfig  |  2 ++
 include/configs/sniper.h  | 38 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 70 insertions(+)

diff --git a/board/lge/sniper/sniper.c b/board/lge/sniper/sniper.c
index b211528e2b..2bfc9c5b4a 100644
--- a/board/lge/sniper/sniper.c
+++ b/board/lge/sniper/sniper.c
@@ -10,6 +10,8 @@
 #include <common.h>
 #include <dm.h>
 #include <linux/ctype.h>
+#include <linux/usb/musb.h>
+#include <asm/omap_musb.h>
 #include <asm/arch/mmc_host_def.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/arch/mem.h>
@@ -37,6 +39,25 @@ U_BOOT_DEVICE(sniper_serial) = {
 	.platdata = &serial_omap_platdata
 };
 
+static struct musb_hdrc_config musb_config = {
+	.multipoint = 1,
+	.dyn_fifo = 1,
+	.num_eps = 16,
+	.ram_bits = 12
+};
+
+static struct omap_musb_board_data musb_board_data = {
+	.interface_type	= MUSB_INTERFACE_ULPI,
+};
+
+static struct musb_hdrc_platform_data musb_platform_data = {
+	.mode = MUSB_PERIPHERAL,
+	.config = &musb_config,
+	.power = 100,
+	.platform_ops = &omap2430_ops,
+	.board_data = &musb_board_data,
+};
+
 #ifdef CONFIG_SPL_BUILD
 void get_board_mem_timings(struct board_sdrc_timings *timings)
 {
@@ -95,6 +116,10 @@ int misc_init_r(void)
 		setenv("serial#", serial_string);
 	}
 
+	/* MUSB */
+
+	musb_register(&musb_platform_data, &musb_board_data, (void *)MUSB_BASE);
+
 	return 0;
 }
 
@@ -116,6 +141,11 @@ void get_board_serial(struct tag_serialnr *serialnr)
 	}
 }
 
+int fb_set_reboot_flag(void)
+{
+	return omap_reboot_mode_store('b');
+}
+
 void set_muxconf_regs(void)
 {
 	MUX_SNIPER();
diff --git a/configs/sniper_defconfig b/configs/sniper_defconfig
index d2e10a9c04..44cf3595b3 100644
--- a/configs/sniper_defconfig
+++ b/configs/sniper_defconfig
@@ -5,3 +5,5 @@ CONFIG_SPL=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
+CONFIG_USB=y
+CONFIG_USB_MUSB_GADGET=y
diff --git a/include/configs/sniper.h b/include/configs/sniper.h
index f17bb04149..b40c4c0591 100644
--- a/include/configs/sniper.h
+++ b/include/configs/sniper.h
@@ -215,6 +215,42 @@
 #define CONFIG_SYS_BAUDRATE_TABLE	{ 4800, 9600, 19200, 38400, 57600, \
 					  115200 }
 
+/*
+ * USB gadget
+ */
+
+#define CONFIG_USB_MUSB_PIO_ONLY
+#define CONFIG_USB_MUSB_OMAP2PLUS
+#define CONFIG_TWL4030_USB
+
+#define CONFIG_USB_GADGET
+#define CONFIG_USB_GADGET_DUALSPEED
+#define CONFIG_USB_GADGET_VBUS_DRAW	0
+
+/*
+ * Download
+ */
+
+#define CONFIG_USB_GADGET_DOWNLOAD
+
+#define CONFIG_G_DNL_VENDOR_NUM		0x0451
+#define CONFIG_G_DNL_PRODUCT_NUM	0xd022
+#define CONFIG_G_DNL_MANUFACTURER	"Texas Instruments"
+
+/*
+ * Fastboot
+ */
+
+#define CONFIG_USB_FUNCTION_FASTBOOT
+
+#define CONFIG_FASTBOOT_BUF_ADDR	CONFIG_SYS_LOAD_ADDR
+#define CONFIG_FASTBOOT_BUF_SIZE	0x2000000
+
+#define CONFIG_FASTBOOT_FLASH
+#define CONFIG_FASTBOOT_FLASH_MMC_DEV	0
+
+#define CONFIG_CMD_FASTBOOT
+
 /*
  * Environment
  */
@@ -255,6 +291,8 @@
 	"setenv boot_mmc_part ${kernel_mmc_part}; " \
 	"if test reboot-${reboot-mode} = reboot-r; then " \
 	"echo recovery; setenv boot_mmc_part ${recovery_mmc_part}; fi; " \
+	"if test reboot-${reboot-mode} = reboot-b; then " \
+	"echo fastboot; fastboot 0; fi; " \
 	"part start mmc ${boot_mmc_dev} ${boot_mmc_part} boot_mmc_start; " \
 	"part size mmc ${boot_mmc_dev} ${boot_mmc_part} boot_mmc_size; " \
 	"mmc dev ${boot_mmc_dev}; " \
-- 
2.39.2