From: Lukasz Majewski l.majewski@samsung.com
This patch enables new "ums" command on Trats board
Signed-off-by: Lukasz Majewski l.majewski@samsung.com Signed-off-by: Piotr Wilczek p.wilczek@samsung.com Signed-off-by: Kyungmin Park kyungmin.park@samsung.com CC: Minkyu Kang mk7.kang@samsung.com --- Changes in v2: None
board/samsung/trats/trats.c | 63 +++++++++++++++++++++++++++++++++++++++++++ include/configs/trats.h | 5 ++++ 2 files changed, 68 insertions(+)
diff --git a/board/samsung/trats/trats.c b/board/samsung/trats/trats.c index 88d193d..9207646 100644 --- a/board/samsung/trats/trats.c +++ b/board/samsung/trats/trats.c @@ -42,6 +42,7 @@ #include <power/max8997_muic.h> #include <power/battery.h> #include <power/max17042_fg.h> +#include <usb_mass_storage.h>
#include "setup.h"
@@ -791,3 +792,65 @@ void init_panel_info(vidinfo_t *vid)
setenv("lcdinfo", "lcd=s6e8ax0"); } + +#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 = "TRATS 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/trats.h b/include/configs/trats.h index 63745ac..31d8190 100644 --- a/include/configs/trats.h +++ b/include/configs/trats.h @@ -316,4 +316,9 @@ #define CONFIG_VIDEO_BMP_GZIP #define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE ((500 * 120 * 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 */