[U-Boot] [PATCH 4/4] trats2: enable ums support on Trats2
Piotr Wilczek
p.wilczek at samsung.com
Wed Apr 10 14:07:53 CEST 2013
This patch enables 'ums' command on Trats2 board.
Signed-off-by: Piotr Wilczek <p.wilczek at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
---
board/samsung/trats2/trats2.c | 133 +++++++++++++++++++++++++++++++++++++++++
include/configs/trats2.h | 19 ++++++
2 files changed, 152 insertions(+)
diff --git a/board/samsung/trats2/trats2.c b/board/samsung/trats2/trats2.c
index 32fb699..d9de862 100644
--- a/board/samsung/trats2/trats2.c
+++ b/board/samsung/trats2/trats2.c
@@ -45,6 +45,8 @@
#include <power/max77693_fg.h>
#include <libtizen.h>
#include <errno.h>
+#include <usb/s3c_udc.h>
+#include <usb_mass_storage.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -326,6 +328,75 @@ int board_mmc_init(bd_t *bis)
return err;
}
+#ifdef CONFIG_USB_GADGET
+static int s5pc210_phy_control(int on)
+{
+ int ret = 0;
+ unsigned int val;
+
+ struct pmic *p = pmic_get("MAX77686_PMIC");
+ if (!p)
+ return -ENODEV;
+
+ if (pmic_probe(p))
+ return -1;
+
+ if (on) {
+ ret = max77686_set_ldo_mode(p, 12, OPMODE_ON);
+
+ p = pmic_get("MAX77693_PMIC");
+ pmic_probe(p);
+ if (pmic_probe(p))
+ return -1;
+
+ /* SAFEOUT */
+ ret |= pmic_reg_read(p, MAX77693_SAFEOUT, &val);
+ val |= MAX77693_ENSAFEOUT1;
+ ret |= pmic_reg_write(p, MAX77693_SAFEOUT, val);
+
+ p = pmic_get("MAX77693_MUIC");
+ if (pmic_probe(p))
+ return -1;
+
+ /* PATH: USB */
+ ret |= pmic_reg_write(p, MAX77693_MUIC_CONTROL1,
+ MAX77693_MUIC_CTRL1_DN1DP2);
+
+ } else {
+ ret |= max77686_set_ldo_mode(p, 12, OPMODE_LPM);
+
+ p = pmic_get("MAX77693_MUIC");
+ if (pmic_probe(p))
+ return -1;
+
+ /* PATH: UART */
+ ret |= pmic_reg_write(p, MAX77693_MUIC_CONTROL1,
+ MAX77693_MUIC_CTRL1_UT1UR2);
+ }
+
+ if (ret) {
+ puts("MAX77693 setting error!\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+struct s3c_plat_otg_data s5pc210_otg_data = {
+ .phy_control = s5pc210_phy_control,
+ .regs_phy = EXYNOS4X12_USBPHY_BASE,
+ .regs_otg = EXYNOS4X12_USBOTG_BASE,
+ .usb_phy_ctrl = EXYNOS4X12_USBPHY_CONTROL,
+ .usb_flags = PHY0_SLEEP,
+};
+
+void board_usb_init(void)
+{
+ debug("USB_udc_probe\n");
+ s3c_udc_probe(&s5pc210_otg_data);
+}
+#endif
+
static int pmic_init_max77686(void)
{
struct pmic *p = pmic_get("MAX77686_PMIC");
@@ -525,3 +596,65 @@ int misc_init_r(void)
return 0;
}
#endif
+
+#ifdef CONFIG_USB_GADGET_MASS_STORAGE
+static int ums_read_sector(struct ums_device *ums_dev,
+ ulong start, lbaint_t blkcnt, void *buf)
+{
+ if (ums_dev->mmc->block_dev.block_read(ums_dev->dev_num,
+ start + ums_dev->offset, blkcnt, buf) != blkcnt)
+ return -1;
+
+ return 0;
+}
+
+static int ums_write_sector(struct ums_device *ums_dev,
+ ulong start, lbaint_t blkcnt, const void *buf)
+{
+ if (ums_dev->mmc->block_dev.block_write(ums_dev->dev_num,
+ start + ums_dev->offset, blkcnt, buf) != blkcnt)
+ return -1;
+
+ return 0;
+}
+
+static void ums_get_capacity(struct ums_device *ums_dev,
+ long long int *capacity)
+{
+ long long int tmp_capacity;
+
+ tmp_capacity = (long long int) ((ums_dev->offset + ums_dev->part_size)
+ * SECTOR_SIZE);
+ *capacity = ums_dev->mmc->capacity - tmp_capacity;
+}
+
+static struct ums_board_info ums_board = {
+ .read_sector = ums_read_sector,
+ .write_sector = ums_write_sector,
+ .get_capacity = ums_get_capacity,
+ .name = "TRATS2 UMS disk",
+ .ums_dev = {
+ .mmc = NULL,
+ .dev_num = 0,
+ .offset = 0,
+ .part_size = 0.
+ },
+};
+
+struct ums_board_info *board_ums_init(unsigned int dev_num, unsigned int offset,
+ unsigned int part_size)
+{
+ struct mmc *mmc;
+
+ mmc = find_mmc_device(dev_num);
+ if (!mmc)
+ return NULL;
+
+ ums_board.ums_dev.mmc = mmc;
+ ums_board.ums_dev.dev_num = dev_num;
+ ums_board.ums_dev.offset = offset;
+ ums_board.ums_dev.part_size = part_size;
+
+ return &ums_board;
+}
+#endif
diff --git a/include/configs/trats2.h b/include/configs/trats2.h
index 5637734..8f86d8c 100644
--- a/include/configs/trats2.h
+++ b/include/configs/trats2.h
@@ -133,6 +133,16 @@
#define CONFIG_CMD_EXT4
#define CONFIG_CMD_EXT4_WRITE
+/* USB Composite download gadget - g_dnl */
+#define CONFIG_USBDOWNLOAD_GADGET
+#define CONFIG_DFU_FUNCTION
+#define CONFIG_DFU_MMC
+
+/* USB Samsung's IDs */
+#define CONFIG_G_DNL_VENDOR_NUM 0x04E8
+#define CONFIG_G_DNL_PRODUCT_NUM 0x6601
+#define CONFIG_G_DNL_MANUFACTURER "Samsung"
+
/* To use the TFTPBOOT over USB, Please enable the CONFIG_CMD_NET */
#undef CONFIG_CMD_NET
@@ -288,6 +298,10 @@
#define CONFIG_POWER_MUIC_MAX77693
#define CONFIG_POWER_FG_MAX77693
#define CONFIG_POWER_BATTERY_TRATS2
+#define CONFIG_USB_GADGET
+#define CONFIG_USB_GADGET_S3C_UDC_OTG
+#define CONFIG_USB_GADGET_DUALSPEED
+#define CONFIG_USB_GADGET_VBUS_DRAW 2
/* PWM */
#define CONFIG_PWM
@@ -306,4 +320,9 @@
#define CONFIG_VIDEO_BMP_GZIP
#define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE ((500 * 250 * 4) + (1 << 12))
+#define CONFIG_CMD_USB_MASS_STORAGE
+#if defined(CONFIG_CMD_USB_MASS_STORAGE)
+#define CONFIG_USB_GADGET_MASS_STORAGE
+#endif
+
#endif /* __CONFIG_H */
--
1.7.9.5
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