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Diffstat (limited to 'roms/u-boot/drivers/usb/common/common.c')
-rw-r--r--roms/u-boot/drivers/usb/common/common.c100
1 files changed, 100 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/usb/common/common.c b/roms/u-boot/drivers/usb/common/common.c
new file mode 100644
index 000000000..2a47f40bb
--- /dev/null
+++ b/roms/u-boot/drivers/usb/common/common.c
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Provides code common for host and device side USB.
+ *
+ * (C) Copyright 2016
+ * Texas Instruments Incorporated, <www.ti.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <asm/global_data.h>
+#include <linux/usb/otg.h>
+#include <linux/usb/ch9.h>
+#include <linux/usb/phy.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static const char *const usb_dr_modes[] = {
+ [USB_DR_MODE_UNKNOWN] = "",
+ [USB_DR_MODE_HOST] = "host",
+ [USB_DR_MODE_PERIPHERAL] = "peripheral",
+ [USB_DR_MODE_OTG] = "otg",
+};
+
+enum usb_dr_mode usb_get_dr_mode(ofnode node)
+{
+ const char *dr_mode;
+ int i;
+
+ dr_mode = ofnode_read_string(node, "dr_mode");
+ if (!dr_mode) {
+ pr_err("usb dr_mode not found\n");
+ return USB_DR_MODE_UNKNOWN;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(usb_dr_modes); i++)
+ if (!strcmp(dr_mode, usb_dr_modes[i]))
+ return i;
+
+ return USB_DR_MODE_UNKNOWN;
+}
+
+static const char *const speed_names[] = {
+ [USB_SPEED_UNKNOWN] = "UNKNOWN",
+ [USB_SPEED_LOW] = "low-speed",
+ [USB_SPEED_FULL] = "full-speed",
+ [USB_SPEED_HIGH] = "high-speed",
+ [USB_SPEED_WIRELESS] = "wireless",
+ [USB_SPEED_SUPER] = "super-speed",
+ [USB_SPEED_SUPER_PLUS] = "super-speed-plus",
+};
+
+const char *usb_speed_string(enum usb_device_speed speed)
+{
+ if (speed < 0 || speed >= ARRAY_SIZE(speed_names))
+ speed = USB_SPEED_UNKNOWN;
+ return speed_names[speed];
+}
+
+enum usb_device_speed usb_get_maximum_speed(ofnode node)
+{
+ const char *max_speed;
+ int i;
+
+ max_speed = ofnode_read_string(node, "maximum-speed");
+ if (!max_speed) {
+ pr_err("usb maximum-speed not found\n");
+ return USB_SPEED_UNKNOWN;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(speed_names); i++)
+ if (!strcmp(max_speed, speed_names[i]))
+ return i;
+
+ return USB_SPEED_UNKNOWN;
+}
+
+#if CONFIG_IS_ENABLED(DM_USB)
+static const char *const usbphy_modes[] = {
+ [USBPHY_INTERFACE_MODE_UNKNOWN] = "",
+ [USBPHY_INTERFACE_MODE_UTMI] = "utmi",
+ [USBPHY_INTERFACE_MODE_UTMIW] = "utmi_wide",
+};
+
+enum usb_phy_interface usb_get_phy_mode(ofnode node)
+{
+ const char *phy_type;
+ int i;
+
+ phy_type = ofnode_get_property(node, "phy_type", NULL);
+ if (!phy_type)
+ return USBPHY_INTERFACE_MODE_UNKNOWN;
+
+ for (i = 0; i < ARRAY_SIZE(usbphy_modes); i++)
+ if (!strcmp(phy_type, usbphy_modes[i]))
+ return i;
+
+ return USBPHY_INTERFACE_MODE_UNKNOWN;
+}
+#endif