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-rw-r--r--drivers/usb/dwc3/core.c26
-rw-r--r--drivers/usb/dwc3/dwc3-generic.c81
-rw-r--r--drivers/usb/dwc3/dwc3-omap.c4
-rw-r--r--drivers/usb/gadget/f_acm.c9
-rw-r--r--drivers/usb/gadget/f_mass_storage.c102
-rw-r--r--drivers/usb/gadget/storage_common.c12
6 files changed, 176 insertions, 58 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 4b4fcd8a22e..96e850b7170 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -983,18 +983,32 @@ void dwc3_uboot_exit(int index)
}
}
+MODULE_ALIAS("platform:dwc3");
+MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("DesignWare USB3 DRD Controller Driver");
+
+#if !CONFIG_IS_ENABLED(DM_USB_GADGET)
+__weak int dwc3_uboot_interrupt_status(struct udevice *dev)
+{
+ return 1;
+}
+
/**
- * dwc3_uboot_handle_interrupt - handle dwc3 core interrupt
+ * dm_usb_gadget_handle_interrupts - handle dwc3 core interrupt
* @dev: device of this controller
*
* Invokes dwc3 gadget interrupts.
*
* Generally called from board file.
*/
-void dwc3_uboot_handle_interrupt(struct udevice *dev)
+int dm_usb_gadget_handle_interrupts(struct udevice *dev)
{
struct dwc3 *dwc = NULL;
+ if (!dwc3_uboot_interrupt_status(dev))
+ return 0;
+
list_for_each_entry(dwc, &dwc3_list, list) {
if (dwc->dev != dev)
continue;
@@ -1002,12 +1016,10 @@ void dwc3_uboot_handle_interrupt(struct udevice *dev)
dwc3_gadget_uboot_handle_interrupt(dwc);
break;
}
-}
-MODULE_ALIAS("platform:dwc3");
-MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>");
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("DesignWare USB3 DRD Controller Driver");
+ return 0;
+}
+#endif
#if CONFIG_IS_ENABLED(PHY) && CONFIG_IS_ENABLED(DM_USB)
int dwc3_setup_phy(struct udevice *dev, struct phy_bulk *phys)
diff --git a/drivers/usb/dwc3/dwc3-generic.c b/drivers/usb/dwc3/dwc3-generic.c
index a379a0002e7..7a00529a2a8 100644
--- a/drivers/usb/dwc3/dwc3-generic.c
+++ b/drivers/usb/dwc3/dwc3-generic.c
@@ -425,6 +425,77 @@ struct dwc3_glue_ops ti_ops = {
.glue_configure = dwc3_ti_glue_configure,
};
+/* USB QSCRATCH Hardware registers */
+#define QSCRATCH_GENERAL_CFG 0x08
+#define PIPE_UTMI_CLK_SEL BIT(0)
+#define PIPE3_PHYSTATUS_SW BIT(3)
+#define PIPE_UTMI_CLK_DIS BIT(8)
+
+#define QSCRATCH_HS_PHY_CTRL 0x10
+#define UTMI_OTG_VBUS_VALID BIT(20)
+#define SW_SESSVLD_SEL BIT(28)
+
+#define QSCRATCH_SS_PHY_CTRL 0x30
+#define LANE0_PWR_PRESENT BIT(24)
+
+#define PWR_EVNT_IRQ_STAT_REG 0x58
+#define PWR_EVNT_LPM_IN_L2_MASK BIT(4)
+#define PWR_EVNT_LPM_OUT_L2_MASK BIT(5)
+
+#define SDM845_QSCRATCH_BASE_OFFSET 0xf8800
+#define SDM845_QSCRATCH_SIZE 0x400
+#define SDM845_DWC3_CORE_SIZE 0xcd00
+
+static void dwc3_qcom_vbus_override_enable(void __iomem *qscratch_base, bool enable)
+{
+ if (enable) {
+ setbits_le32(qscratch_base + QSCRATCH_SS_PHY_CTRL,
+ LANE0_PWR_PRESENT);
+ setbits_le32(qscratch_base + QSCRATCH_HS_PHY_CTRL,
+ UTMI_OTG_VBUS_VALID | SW_SESSVLD_SEL);
+ } else {
+ clrbits_le32(qscratch_base + QSCRATCH_SS_PHY_CTRL,
+ LANE0_PWR_PRESENT);
+ clrbits_le32(qscratch_base + QSCRATCH_HS_PHY_CTRL,
+ UTMI_OTG_VBUS_VALID | SW_SESSVLD_SEL);
+ }
+}
+
+/* For controllers running without superspeed PHYs */
+static void dwc3_qcom_select_utmi_clk(void __iomem *qscratch_base)
+{
+ /* Configure dwc3 to use UTMI clock as PIPE clock not present */
+ setbits_le32(qscratch_base + QSCRATCH_GENERAL_CFG,
+ PIPE_UTMI_CLK_DIS);
+
+ setbits_le32(qscratch_base + QSCRATCH_GENERAL_CFG,
+ PIPE_UTMI_CLK_SEL | PIPE3_PHYSTATUS_SW);
+
+ clrbits_le32(qscratch_base + QSCRATCH_GENERAL_CFG,
+ PIPE_UTMI_CLK_DIS);
+}
+
+static void dwc3_qcom_glue_configure(struct udevice *dev, int index,
+ enum usb_dr_mode mode)
+{
+ struct dwc3_glue_data *glue = dev_get_plat(dev);
+ void __iomem *qscratch_base = map_physmem(glue->regs, 0x400, MAP_NOCACHE);
+ if (IS_ERR_OR_NULL(qscratch_base)) {
+ log_err("%s: Invalid qscratch base address\n", dev->name);
+ return;
+ }
+
+ if (dev_read_bool(dev, "qcom,select-utmi-as-pipe-clk"))
+ dwc3_qcom_select_utmi_clk(qscratch_base);
+
+ if (mode != USB_DR_MODE_HOST)
+ dwc3_qcom_vbus_override_enable(qscratch_base, true);
+}
+
+struct dwc3_glue_ops qcom_ops = {
+ .glue_configure = dwc3_qcom_glue_configure,
+};
+
static int dwc3_rk_glue_get_ctrl_dev(struct udevice *dev, ofnode *node)
{
*node = dev_ofnode(dev);
@@ -512,6 +583,14 @@ static int dwc3_glue_reset_init(struct udevice *dev,
else if (ret)
return ret;
+ if (device_is_compatible(dev, "qcom,dwc3")) {
+ reset_assert_bulk(&glue->resets);
+ /* We should wait at least 6 sleep clock cycles, that's
+ * (6 / 32764) * 1000000 ~= 200us. But some platforms
+ * have slower sleep clocks so we'll play it safe.
+ */
+ udelay(500);
+ }
ret = reset_deassert_bulk(&glue->resets);
if (ret) {
reset_release_bulk(&glue->resets);
@@ -629,7 +708,7 @@ static const struct udevice_id dwc3_glue_ids[] = {
{ .compatible = "rockchip,rk3399-dwc3" },
{ .compatible = "rockchip,rk3568-dwc3", .data = (ulong)&rk_ops },
{ .compatible = "rockchip,rk3588-dwc3", .data = (ulong)&rk_ops },
- { .compatible = "qcom,dwc3" },
+ { .compatible = "qcom,dwc3", .data = (ulong)&qcom_ops },
{ .compatible = "fsl,imx8mp-dwc3", .data = (ulong)&imx8mp_ops },
{ .compatible = "fsl,imx8mq-dwc3" },
{ .compatible = "intel,tangier-dwc3" },
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 4fadb4a3e20..53c4d4826b4 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -428,7 +428,7 @@ void dwc3_omap_uboot_exit(int index)
}
/**
- * dwc3_omap_uboot_interrupt_status - check the status of interrupt
+ * dwc3_uboot_interrupt_status - check the status of interrupt
* @dev: device of this controller
*
* Checks the status of interrupts and returns true if an interrupt
@@ -436,7 +436,7 @@ void dwc3_omap_uboot_exit(int index)
*
* Generally called from board file.
*/
-int dwc3_omap_uboot_interrupt_status(struct udevice *dev)
+int dwc3_uboot_interrupt_status(struct udevice *dev)
{
struct dwc3_omap *omap = NULL;
diff --git a/drivers/usb/gadget/f_acm.c b/drivers/usb/gadget/f_acm.c
index de42e0189e8..ba216128ab2 100644
--- a/drivers/usb/gadget/f_acm.c
+++ b/drivers/usb/gadget/f_acm.c
@@ -623,12 +623,21 @@ static void acm_stdio_puts(struct stdio_dev *dev, const char *str)
static int acm_stdio_start(struct stdio_dev *dev)
{
+ struct udevice *udc;
int ret;
if (dev->priv) { /* function already exist */
return 0;
}
+ ret = udc_device_get_by_index(0, &udc);
+ if (ret) {
+ pr_err("USB init failed: %d\n", ret);
+ return ret;
+ }
+
+ g_dnl_clear_detach();
+
ret = g_dnl_register("usb_serial_acm");
if (ret)
return ret;
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index c725aed3f62..ef90c7ec7fb 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -240,6 +240,7 @@
/* #define DUMP_MSGS */
#include <config.h>
+#include <div64.h>
#include <hexdump.h>
#include <log.h>
#include <malloc.h>
@@ -724,12 +725,13 @@ static int do_read(struct fsg_common *common)
curlun->sense_data = SS_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE;
return -EINVAL;
}
- file_offset = ((loff_t) lba) << 9;
+ file_offset = ((loff_t)lba) << curlun->blkbits;
/* Carry out the file reads */
amount_left = common->data_size_from_cmnd;
- if (unlikely(amount_left == 0))
+ if (unlikely(amount_left == 0)) {
return -EIO; /* No default reply */
+ }
for (;;) {
@@ -768,13 +770,13 @@ static int do_read(struct fsg_common *common)
/* Perform the read */
rc = ums[common->lun].read_sector(&ums[common->lun],
- file_offset / SECTOR_SIZE,
- amount / SECTOR_SIZE,
+ lldiv(file_offset, curlun->blksize),
+ lldiv(amount, curlun->blksize),
(char __user *)bh->buf);
if (!rc)
return -EIO;
- nread = rc * SECTOR_SIZE;
+ nread = rc * curlun->blksize;
VLDBG(curlun, "file read %u @ %llu -> %d\n", amount,
(unsigned long long) file_offset,
@@ -787,7 +789,7 @@ static int do_read(struct fsg_common *common)
} else if (nread < amount) {
LDBG(curlun, "partial file read: %d/%u\n",
(int) nread, amount);
- nread -= (nread & 511); /* Round down to a block */
+ nread -= (nread & (curlun->blksize - 1)); /* Round down to a block */
}
file_offset += nread;
amount_left -= nread;
@@ -861,7 +863,7 @@ static int do_write(struct fsg_common *common)
/* Carry out the file writes */
get_some_more = 1;
- file_offset = usb_offset = ((loff_t) lba) << 9;
+ file_offset = usb_offset = ((loff_t)lba) << curlun->blkbits;
amount_left_to_req = common->data_size_from_cmnd;
amount_left_to_write = common->data_size_from_cmnd;
@@ -893,7 +895,7 @@ static int do_write(struct fsg_common *common)
curlun->info_valid = 1;
continue;
}
- amount -= (amount & 511);
+ amount -= (amount & (curlun->blksize - 1));
if (amount == 0) {
/* Why were we were asked to transfer a
@@ -942,12 +944,12 @@ static int do_write(struct fsg_common *common)
/* Perform the write */
rc = ums[common->lun].write_sector(&ums[common->lun],
- file_offset / SECTOR_SIZE,
- amount / SECTOR_SIZE,
+ lldiv(file_offset, curlun->blksize),
+ lldiv(amount, curlun->blksize),
(char __user *)bh->buf);
if (!rc)
return -EIO;
- nwritten = rc * SECTOR_SIZE;
+ nwritten = rc * curlun->blksize;
VLDBG(curlun, "file write %u @ %llu -> %d\n", amount,
(unsigned long long) file_offset,
@@ -960,7 +962,7 @@ static int do_write(struct fsg_common *common)
} else if (nwritten < amount) {
LDBG(curlun, "partial file write: %d/%u\n",
(int) nwritten, amount);
- nwritten -= (nwritten & 511);
+ nwritten -= (nwritten & (curlun->blksize - 1));
/* Round down to a block */
}
file_offset += nwritten;
@@ -1034,8 +1036,8 @@ static int do_verify(struct fsg_common *common)
return -EIO; /* No default reply */
/* Prepare to carry out the file verify */
- amount_left = verification_length << 9;
- file_offset = ((loff_t) lba) << 9;
+ amount_left = verification_length << curlun->blkbits;
+ file_offset = ((loff_t) lba) << curlun->blkbits;
/* Write out all the dirty buffers before invalidating them */
@@ -1058,12 +1060,12 @@ static int do_verify(struct fsg_common *common)
/* Perform the read */
rc = ums[common->lun].read_sector(&ums[common->lun],
- file_offset / SECTOR_SIZE,
- amount / SECTOR_SIZE,
+ lldiv(file_offset, curlun->blksize),
+ lldiv(amount, curlun->blksize),
(char __user *)bh->buf);
if (!rc)
return -EIO;
- nread = rc * SECTOR_SIZE;
+ nread = rc * curlun->blksize;
VLDBG(curlun, "file read %u @ %llu -> %d\n", amount,
(unsigned long long) file_offset,
@@ -1075,7 +1077,7 @@ static int do_verify(struct fsg_common *common)
} else if (nread < amount) {
LDBG(curlun, "partial file verify: %d/%u\n",
(int) nread, amount);
- nread -= (nread & 511); /* Round down to a sector */
+ nread -= (nread & (curlun->blksize - 1)); /* Round down to a sector */
}
if (nread == 0) {
curlun->sense_data = SS_UNRECOVERED_READ_ERROR;
@@ -1183,7 +1185,7 @@ static int do_read_capacity(struct fsg_common *common, struct fsg_buffhd *bh)
put_unaligned_be32(curlun->num_sectors - 1, &buf[0]);
/* Max logical block */
- put_unaligned_be32(512, &buf[4]); /* Block length */
+ put_unaligned_be32(curlun->blksize, &buf[4]); /* Block length */
return 8;
}
@@ -1370,7 +1372,7 @@ static int do_read_format_capacities(struct fsg_common *common,
put_unaligned_be32(curlun->num_sectors, &buf[0]);
/* Number of blocks */
- put_unaligned_be32(512, &buf[4]); /* Block length */
+ put_unaligned_be32(curlun->blksize, &buf[4]); /* Block length */
buf[4] = 0x02; /* Current capacity */
return 12;
}
@@ -1781,6 +1783,16 @@ static int check_command(struct fsg_common *common, int cmnd_size,
return 0;
}
+/* wrapper of check_command for data size in blocks handling */
+static int check_command_size_in_blocks(struct fsg_common *common,
+ int cmnd_size, enum data_direction data_dir,
+ unsigned int mask, int needs_medium, const char *name)
+{
+ common->data_size_from_cmnd <<= common->luns[common->lun].blkbits;
+ return check_command(common, cmnd_size, data_dir,
+ mask, needs_medium, name);
+}
+
static int do_scsi_command(struct fsg_common *common)
{
@@ -1865,30 +1877,30 @@ static int do_scsi_command(struct fsg_common *common)
case SC_READ_6:
i = common->cmnd[4];
- common->data_size_from_cmnd = (i == 0 ? 256 : i) << 9;
- reply = check_command(common, 6, DATA_DIR_TO_HOST,
- (7<<1) | (1<<4), 1,
- "READ(6)");
+ common->data_size_from_cmnd = (i == 0 ? 256 : i);
+ reply = check_command_size_in_blocks(common, 6, DATA_DIR_TO_HOST,
+ (7<<1) | (1<<4), 1,
+ "READ(6)");
if (reply == 0)
reply = do_read(common);
break;
case SC_READ_10:
common->data_size_from_cmnd =
- get_unaligned_be16(&common->cmnd[7]) << 9;
- reply = check_command(common, 10, DATA_DIR_TO_HOST,
- (1<<1) | (0xf<<2) | (3<<7), 1,
- "READ(10)");
+ get_unaligned_be16(&common->cmnd[7]);
+ reply = check_command_size_in_blocks(common, 10, DATA_DIR_TO_HOST,
+ (1<<1) | (0xf<<2) | (3<<7), 1,
+ "READ(10)");
if (reply == 0)
reply = do_read(common);
break;
case SC_READ_12:
common->data_size_from_cmnd =
- get_unaligned_be32(&common->cmnd[6]) << 9;
- reply = check_command(common, 12, DATA_DIR_TO_HOST,
- (1<<1) | (0xf<<2) | (0xf<<6), 1,
- "READ(12)");
+ get_unaligned_be32(&common->cmnd[6]);
+ reply = check_command_size_in_blocks(common, 12, DATA_DIR_TO_HOST,
+ (1<<1) | (0xf<<2) | (0xf<<6), 1,
+ "READ(12)");
if (reply == 0)
reply = do_read(common);
break;
@@ -1983,30 +1995,30 @@ static int do_scsi_command(struct fsg_common *common)
case SC_WRITE_6:
i = common->cmnd[4];
- common->data_size_from_cmnd = (i == 0 ? 256 : i) << 9;
- reply = check_command(common, 6, DATA_DIR_FROM_HOST,
- (7<<1) | (1<<4), 1,
- "WRITE(6)");
+ common->data_size_from_cmnd = (i == 0 ? 256 : i);
+ reply = check_command_size_in_blocks(common, 6, DATA_DIR_FROM_HOST,
+ (7<<1) | (1<<4), 1,
+ "WRITE(6)");
if (reply == 0)
reply = do_write(common);
break;
case SC_WRITE_10:
common->data_size_from_cmnd =
- get_unaligned_be16(&common->cmnd[7]) << 9;
- reply = check_command(common, 10, DATA_DIR_FROM_HOST,
- (1<<1) | (0xf<<2) | (3<<7), 1,
- "WRITE(10)");
+ get_unaligned_be16(&common->cmnd[7]);
+ reply = check_command_size_in_blocks(common, 10, DATA_DIR_FROM_HOST,
+ (1<<1) | (0xf<<2) | (3<<7), 1,
+ "WRITE(10)");
if (reply == 0)
reply = do_write(common);
break;
case SC_WRITE_12:
common->data_size_from_cmnd =
- get_unaligned_be32(&common->cmnd[6]) << 9;
- reply = check_command(common, 12, DATA_DIR_FROM_HOST,
- (1<<1) | (0xf<<2) | (0xf<<6), 1,
- "WRITE(12)");
+ get_unaligned_be32(&common->cmnd[6]);
+ reply = check_command_size_in_blocks(common, 12, DATA_DIR_FROM_HOST,
+ (1<<1) | (0xf<<2) | (0xf<<6), 1,
+ "WRITE(12)");
if (reply == 0)
reply = do_write(common);
break;
@@ -2497,7 +2509,7 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common,
for (i = 0; i < nluns; i++) {
common->luns[i].removable = 1;
- rc = fsg_lun_open(&common->luns[i], ums[i].num_sectors, "");
+ rc = fsg_lun_open(&common->luns[i], ums[i].num_sectors, ums->block_dev.blksz, "");
if (rc)
goto error_luns;
}
diff --git a/drivers/usb/gadget/storage_common.c b/drivers/usb/gadget/storage_common.c
index 5674e8fe494..97dc6b6f729 100644
--- a/drivers/usb/gadget/storage_common.c
+++ b/drivers/usb/gadget/storage_common.c
@@ -269,6 +269,7 @@ struct device_attribute { int i; };
#define ETOOSMALL 525
#include <log.h>
+#include <linux/log2.h>
#include <usb_mass_storage.h>
#include <dm/device_compat.h>
@@ -290,6 +291,8 @@ struct fsg_lun {
u32 sense_data;
u32 sense_data_info;
u32 unit_attention_data;
+ unsigned int blkbits;
+ unsigned int blksize; /* logical block size of bound block device */
struct device dev;
};
@@ -566,7 +569,7 @@ static struct usb_gadget_strings fsg_stringtab = {
*/
static int fsg_lun_open(struct fsg_lun *curlun, unsigned int num_sectors,
- const char *filename)
+ unsigned int sector_size, const char *filename)
{
int ro;
@@ -574,9 +577,12 @@ static int fsg_lun_open(struct fsg_lun *curlun, unsigned int num_sectors,
ro = curlun->initially_ro;
curlun->ro = ro;
- curlun->file_length = num_sectors << 9;
+ curlun->file_length = num_sectors * sector_size;
curlun->num_sectors = num_sectors;
- debug("open backing file: %s\n", filename);
+ curlun->blksize = sector_size;
+ curlun->blkbits = order_base_2(sector_size >> 9) + 9;
+ debug("blksize: %u\n", sector_size);
+ debug("open backing file: '%s'\n", filename);
return 0;
}
generated by cgit v1.2.3 (git 2.0.4) at 2025-08-04 05:57:32 +0000