* Copyright (C) 2011 Samsung Electronics
* Lukasz Majewski <l.majewski@samsung.com>
*
+ * Copyright (c) 2015, NVIDIA CORPORATION. All rights reserved.
+ *
* SPDX-License-Identifier: GPL-2.0+
*/
#include <errno.h>
#include <common.h>
#include <command.h>
+#include <console.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;
+ 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);
+ return block_dev->block_read(block_dev, 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;
+ 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);
+ return block_dev->block_write(block_dev, blkstart, blkcnt, buf);
}
-static struct ums ums_dev = {
- .read_sector = ums_read_sector,
- .write_sector = ums_write_sector,
- .name = "UMS disk",
-};
+static struct ums *ums;
+static int ums_count;
-struct ums *ums_init(unsigned int dev_num)
+static void ums_fini(void)
{
- struct mmc *mmc = NULL;
+ int i;
+
+ for (i = 0; i < ums_count; i++)
+ free((void *)ums[i].name);
+ free(ums);
+ ums = 0;
+ ums_count = 0;
+}
- mmc = find_mmc_device(dev_num);
- if (!mmc || mmc_init(mmc))
- return NULL;
+#define UMS_NAME_LEN 16
+
+static int ums_init(const char *devtype, const char *devnums)
+{
+ char *s, *t, *devnum, *name;
+ block_dev_desc_t *block_dev;
+ int ret;
+ struct ums *ums_new;
+
+ s = strdup(devnums);
+ if (!s)
+ return -1;
+
+ t = s;
+ ums_count = 0;
+
+ for (;;) {
+ devnum = strsep(&t, ",");
+ if (!devnum)
+ break;
+
+ ret = get_device(devtype, devnum, &block_dev);
+ if (ret < 0)
+ goto cleanup;
+
+ /* f_mass_storage.c assumes SECTOR_SIZE sectors */
+ if (block_dev->blksz != SECTOR_SIZE) {
+ ret = -1;
+ goto cleanup;
+ }
- ums_dev.block_dev = &mmc->block_dev;
- ums_dev.start_sector = 0;
- ums_dev.num_sectors = mmc->capacity / SECTOR_SIZE;
+ ums_new = realloc(ums, (ums_count + 1) * sizeof(*ums));
+ if (!ums_new) {
+ ret = -1;
+ goto cleanup;
+ }
+ ums = ums_new;
+
+ ums[ums_count].read_sector = ums_read_sector;
+ ums[ums_count].write_sector = ums_write_sector;
+ ums[ums_count].start_sector = 0;
+ ums[ums_count].num_sectors = block_dev->lba;
+ name = malloc(UMS_NAME_LEN);
+ if (!name) {
+ ret = -1;
+ goto cleanup;
+ }
+ snprintf(name, UMS_NAME_LEN, "UMS disk %d", ums_count);
+ ums[ums_count].name = name;
+ ums[ums_count].block_dev = *block_dev;
+
+ printf("UMS: LUN %d, dev %d, hwpart %d, sector %#x, count %#x\n",
+ ums_count, ums[ums_count].block_dev.dev,
+ ums[ums_count].block_dev.hwpart,
+ ums[ums_count].start_sector,
+ ums[ums_count].num_sectors);
+
+ ums_count++;
+ }
- printf("UMS: disk start sector: %#x, count: %#x\n",
- ums_dev.start_sector, ums_dev.num_sectors);
+ if (!ums_count)
+ ret = -1;
+ else
+ ret = 0;
- return &ums_dev;
+cleanup:
+ free(s);
+
+ if (ret < 0)
+ ums_fini();
+
+ return ret;
}
int do_usb_mass_storage(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
+ const char *usb_controller;
+ const char *devtype;
+ const char *devnum;
+ unsigned int controller_index;
+ int rc;
+ int cable_ready_timeout __maybe_unused;
+
if (argc < 3)
return CMD_RET_USAGE;
- const char *usb_controller = argv[1];
- const char *mmc_devstring = argv[2];
-
- unsigned int dev_num = simple_strtoul(mmc_devstring, NULL, 0);
+ usb_controller = argv[1];
+ if (argc >= 4) {
+ devtype = argv[2];
+ devnum = argv[3];
+ } else {
+ devtype = "mmc";
+ devnum = argv[2];
+ }
- struct ums *ums = ums_init(dev_num);
- if (!ums)
+ rc = ums_init(devtype, devnum);
+ if (rc < 0)
return CMD_RET_FAILURE;
- unsigned int controller_index = (unsigned int)(simple_strtoul(
- usb_controller, NULL, 0));
+ controller_index = (unsigned int)(simple_strtoul(
+ usb_controller, NULL, 0));
if (board_usb_init(controller_index, USB_INIT_DEVICE)) {
error("Couldn't init USB controller.");
- return CMD_RET_FAILURE;
+ rc = CMD_RET_FAILURE;
+ goto cleanup_ums_init;
}
- int rc = fsg_init(ums);
+ rc = fsg_init(ums, ums_count);
if (rc) {
error("fsg_init failed");
- return CMD_RET_FAILURE;
+ rc = CMD_RET_FAILURE;
+ goto cleanup_board;
}
rc = g_dnl_register("usb_dnl_ums");
if (rc) {
error("g_dnl_register failed");
- return CMD_RET_FAILURE;
+ rc = CMD_RET_FAILURE;
+ goto cleanup_board;
}
/* Timeout unit: seconds */
- int cable_ready_timeout = UMS_CABLE_READY_TIMEOUT;
+ cable_ready_timeout = UMS_CABLE_READY_TIMEOUT;
if (!g_dnl_board_usb_cable_connected()) {
/*
while (!g_dnl_board_usb_cable_connected()) {
if (ctrlc()) {
puts("\rCTRL+C - Operation aborted.\n");
- goto exit;
+ rc = CMD_RET_SUCCESS;
+ goto cleanup_register;
}
if (!cable_ready_timeout) {
puts("\rUSB cable not detected.\n" \
"Command exit.\n");
- goto exit;
+ rc = CMD_RET_SUCCESS;
+ goto cleanup_register;
}
printf("\rAuto exit in: %.2d s.", cable_ready_timeout);
}
while (1) {
- usb_gadget_handle_interrupts();
+ usb_gadget_handle_interrupts(controller_index);
rc = fsg_main_thread(NULL);
if (rc) {
if (rc == -EPIPE)
printf("\rCTRL+C - Operation aborted\n");
- goto exit;
+ rc = CMD_RET_SUCCESS;
+ goto cleanup_register;
}
}
-exit:
+
+cleanup_register:
g_dnl_unregister();
- return CMD_RET_SUCCESS;
+cleanup_board:
+ board_usb_cleanup(controller_index, USB_INIT_DEVICE);
+cleanup_ums_init:
+ ums_fini();
+
+ return rc;
}
-U_BOOT_CMD(ums, CONFIG_SYS_MAXARGS, 1, do_usb_mass_storage,
- "Use the UMS [User Mass Storage]",
- "ums <USB_controller> <mmc_dev> e.g. ums 0 0"
+U_BOOT_CMD(ums, 4, 1, do_usb_mass_storage,
+ "Use the UMS [USB Mass Storage]",
+ "<USB_controller> [<devtype>] <devnum> e.g. ums 0 mmc 0\n"
+ " devtype defaults to mmc"
);
projects / platform / kernel / u-boot.git / blobdiff