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author | Tom Rini <trini@ti.com> | 2013-03-18 19:33:47 (GMT) |
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committer | Tom Rini <trini@ti.com> | 2013-03-18 19:33:47 (GMT) |
commit | 3c47f2f4871c345c20b9d986b11fec550ef6cc9f (patch) | |
tree | 267c6eedacaa02cc8c7096f67bedb9d17fe3e21d /board | |
parent | 0ce033d2582129243aca10d3072a221386bbba44 (diff) | |
parent | ae003d057077d792c1f2131753a7596c94e0bba4 (diff) | |
download | u-boot-fsl-qoriq-3c47f2f4871c345c20b9d986b11fec550ef6cc9f.tar.xz |
Merge branch 'master' of git://git.denx.de/u-boot-usb
Diffstat (limited to 'board')
-rw-r--r-- | board/samsung/trats/trats.c | 63 |
1 files changed, 63 insertions, 0 deletions
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 |