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arm:trats: Use new ums command

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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>
This commit is contained in:
Lukasz Majewski 2013-03-05 12:10:18 +01:00 committed by Marek Vasut
parent b528f71394
commit 83301b4f8b
2 changed files with 68 additions and 0 deletions
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63
board/samsung/trats/trats.c
View File

@ -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

5
include/configs/trats.h
View File

@ -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 */