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authorStephen Warren <swarren@nvidia.com>2014-05-05 10:40:15 -0600
committerLukasz Majewski <l.majewski@samsung.com>2014-05-08 10:38:29 +0200
commitabfe8afe88d6d8219602659f44981411e1daeb1d (patch)
tree4d7a2b9854e83f171026dda4b3f041f08acd092a
parent36ff05c4f968bf71713644413d64850e48b34145 (diff)
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ums: move IO support code to common location
There's nothing Samsung-/board-specfic about the implementation of ums_init(). Move the code into cmd_usb_mass_storage.c, so that it can be shared by any user of that command. Cc: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
-rw-r--r--board/samsung/common/Makefile1
-rw-r--r--board/samsung/common/ums.c55
-rw-r--r--common/cmd_usb_mass_storage.c46
-rw-r--r--include/usb_mass_storage.h1
4 files changed, 46 insertions, 57 deletions
diff --git a/board/samsung/common/Makefile b/board/samsung/common/Makefile
index 7d2bb8c..41d0cc3 100644
--- a/board/samsung/common/Makefile
+++ b/board/samsung/common/Makefile
@@ -7,7 +7,6 @@
obj-$(CONFIG_SOFT_I2C_MULTI_BUS) += multi_i2c.o
obj-$(CONFIG_THOR_FUNCTION) += thor.o
-obj-$(CONFIG_CMD_USB_MASS_STORAGE) += ums.o
obj-$(CONFIG_MISC_COMMON) += misc.o
ifndef CONFIG_SPL_BUILD
diff --git a/board/samsung/common/ums.c b/board/samsung/common/ums.c
deleted file mode 100644
index b35670d..0000000
--- a/board/samsung/common/ums.c
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright (C) 2013 Samsung Electronics
- * Lukasz Majewski <l.majewski@samsung.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <usb_mass_storage.h>
-#include <mmc.h>
-#include <part.h>
-
-static int ums_read_sector(struct ums *ums_dev,
- ulong start, lbaint_t blkcnt, void *buf)
-{
- block_dev_desc_t *block_dev = ums_dev->block_dev;
- lbaint_t blkstart = start + ums_dev->start_sector;
- int dev_num = block_dev->dev;
-
- return block_dev->block_read(dev_num, blkstart, blkcnt, buf);
-}
-
-static int ums_write_sector(struct ums *ums_dev,
- ulong start, lbaint_t blkcnt, const void *buf)
-{
- block_dev_desc_t *block_dev = ums_dev->block_dev;
- lbaint_t blkstart = start + ums_dev->start_sector;
- int dev_num = block_dev->dev;
-
- return block_dev->block_write(dev_num, blkstart, blkcnt, buf);
-}
-
-static struct ums ums_dev = {
- .read_sector = ums_read_sector,
- .write_sector = ums_write_sector,
- .name = "UMS disk",
-};
-
-struct ums *ums_init(unsigned int dev_num)
-{
- struct mmc *mmc = NULL;
-
- mmc = find_mmc_device(dev_num);
- if (!mmc || mmc_init(mmc))
- return NULL;
-
- ums_dev.block_dev = &mmc->block_dev;
- ums_dev.start_sector = 0;
- ums_dev.num_sectors = mmc->capacity / SECTOR_SIZE;
-
- printf("UMS: disk start sector: %#x, count: %#x\n",
- ums_dev.start_sector, ums_dev.num_sectors);
-
- return &ums_dev;
-}
diff --git a/common/cmd_usb_mass_storage.c b/common/cmd_usb_mass_storage.c
index 31b7eb0..9888ed4 100644
--- a/common/cmd_usb_mass_storage.c
+++ b/common/cmd_usb_mass_storage.c
@@ -9,9 +9,55 @@
#include <common.h>
#include <command.h>
#include <g_dnl.h>
+#include <mmc.h>
+#include <part.h>
#include <usb.h>
#include <usb_mass_storage.h>
+static int ums_read_sector(struct ums *ums_dev,
+ ulong start, lbaint_t blkcnt, void *buf)
+{
+ block_dev_desc_t *block_dev = ums_dev->block_dev;
+ lbaint_t blkstart = start + ums_dev->start_sector;
+ int dev_num = block_dev->dev;
+
+ return block_dev->block_read(dev_num, blkstart, blkcnt, buf);
+}
+
+static int ums_write_sector(struct ums *ums_dev,
+ ulong start, lbaint_t blkcnt, const void *buf)
+{
+ block_dev_desc_t *block_dev = ums_dev->block_dev;
+ lbaint_t blkstart = start + ums_dev->start_sector;
+ int dev_num = block_dev->dev;
+
+ return block_dev->block_write(dev_num, blkstart, blkcnt, buf);
+}
+
+static struct ums ums_dev = {
+ .read_sector = ums_read_sector,
+ .write_sector = ums_write_sector,
+ .name = "UMS disk",
+};
+
+struct ums *ums_init(unsigned int dev_num)
+{
+ struct mmc *mmc = NULL;
+
+ mmc = find_mmc_device(dev_num);
+ if (!mmc || mmc_init(mmc))
+ return NULL;
+
+ ums_dev.block_dev = &mmc->block_dev;
+ ums_dev.start_sector = 0;
+ ums_dev.num_sectors = mmc->capacity / SECTOR_SIZE;
+
+ printf("UMS: disk start sector: %#x, count: %#x\n",
+ ums_dev.start_sector, ums_dev.num_sectors);
+
+ return &ums_dev;
+}
+
int do_usb_mass_storage(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
diff --git a/include/usb_mass_storage.h b/include/usb_mass_storage.h
index 2b959ec..69b80cd 100644
--- a/include/usb_mass_storage.h
+++ b/include/usb_mass_storage.h
@@ -30,7 +30,6 @@ extern struct ums *ums;
int fsg_init(struct ums *);
void fsg_cleanup(void);
-struct ums *ums_init(unsigned int);
int fsg_main_thread(void *);
int fsg_add(struct usb_configuration *c);
#endif /* __USB_MASS_STORAGE_H__ */