This patch adds support for USB Mass Storage Gadget on the
Samsung's GONI reference target
Signed-off-by: Lukasz Majewski <l.majew...@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
Cc: Remy Bohmer <li...@bohmer.net>
Cc: Minkyu Kang <mk7.k...@samsung.com>
---
Changes for v2:
- #include <usb/s3c_udc.h> added for fixing build warning
---
board/samsung/goni/goni.c | 69 ++++++++++++++++++++++++++++++++++++++++++++
include/configs/s5p_goni.h | 6 ++++
2 files changed, 75 insertions(+), 0 deletions(-)
diff --git a/board/samsung/goni/goni.c b/board/samsung/goni/goni.c
index c4fc3e9..cba4219 100644
--- a/board/samsung/goni/goni.c
+++ b/board/samsung/goni/goni.c
@@ -29,6 +29,9 @@
#include <asm/arch/hs_otg.h>
#include <asm/arch/cpu.h>
#include <max8998_pmic.h>
+#include <usb_mass_storage.h>
+#include <usb/s3c_udc.h>
+
DECLARE_GLOBAL_DATA_PTR;
static struct s5pc110_gpio *s5pc110_gpio;
@@ -145,3 +148,69 @@ struct s3c_plat_otg_data s5pc110_otg_data = {
.regs_otg = S5PC110_OTG_BASE,
};
#endif
+
+#ifdef CONFIG_USB_GADGET_MASS_STORAGE
+static int ums_read_sector(struct ums_device *ums_dev,
+ unsigned int n, void *buf)
+{
+ if (ums_dev->mmc->block_dev.block_read(ums_dev->dev_num,
+ n + ums_dev->offset, 1, buf) != 1)
+ return -1;
+
+ return 0;
+}
+
+static int ums_write_sector(struct ums_device *ums_dev,
+ unsigned int n, void *buf)
+{
+ if (ums_dev->mmc->block_dev.block_write(ums_dev->dev_num,
+ n + ums_dev->offset, 1, buf) != 1)
+ 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 = "GONI 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;
+
+ /* Init MMC */
+ mmc_init(mmc);
+
+ s3c_udc_probe(&s5pc110_otg_data);
+ return &ums_board;
+}
+#endif
diff --git a/include/configs/s5p_goni.h b/include/configs/s5p_goni.h
index 969e060..53bd79f 100644
--- a/include/configs/s5p_goni.h
+++ b/include/configs/s5p_goni.h
@@ -90,6 +90,8 @@
#define CONFIG_CMD_MTDPARTS
#define CONFIG_CMD_MMC
+#define CONFIG_CMD_USB_MASS_STORAGE
+
#define CONFIG_BOOTDELAY 1
#define CONFIG_ZERO_BOOTDELAY_CHECK
@@ -244,4 +246,8 @@
#define CONFIG_USB_GADGET_S3C_UDC_OTG 1
#define CONFIG_USB_GADGET_DUALSPEED 1
+#if defined(CONFIG_CMD_USB_MASS_STORAGE)
+#define CONFIG_USB_GADGET_MASS_STORAGE
+#endif
+
#endif /* __CONFIG_H */
--
1.7.2.3
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