1 files changed, 344 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/usb/musb-new/ti-musb.c b/roms/u-boot/drivers/usb/musb-new/ti-musb.c
new file mode 100644
index 000000000..91042935b
--- /dev/null
+++ b/roms/u-boot/drivers/usb/musb-new/ti-musb.c
@@ -0,0 +1,344 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * MISC driver for TI MUSB Glue.
+ *
+ * (C) Copyright 2016
+ *     Texas Instruments Incorporated, <www.ti.com>
+ */
+#include <common.h>
+#include <command.h>
+#include <console.h>
+#include <dm.h>
+#include <log.h>
+#include <malloc.h>
+#include <asm/global_data.h>
+#include <linux/usb/otg.h>
+#include <dm/device-internal.h>
+#include <dm/lists.h>
+
+#include <asm/io.h>
+#include <asm/omap_musb.h>
+#include "musb_uboot.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if CONFIG_IS_ENABLED(DM_USB)
+/* USB 2.0 PHY Control */
+#define CM_PHY_PWRDN			(1 << 0)
+#define CM_PHY_OTG_PWRDN		(1 << 1)
+#define OTGVDET_EN			(1 << 19)
+#define OTGSESSENDEN			(1 << 20)
+
+#define AM335X_USB0_CTRL	0x0
+#define AM335X_USB1_CTRL	0x8
+
+static void ti_musb_set_phy_power(struct udevice *dev, u8 on)
+{
+	struct ti_musb_plat *plat = dev_get_plat(dev);
+
+	if (!plat->ctrl_mod_base)
+		return;
+
+	if (on) {
+		clrsetbits_le32(plat->ctrl_mod_base,
+				CM_PHY_PWRDN | CM_PHY_OTG_PWRDN,
+				OTGVDET_EN | OTGSESSENDEN);
+	} else {
+		clrsetbits_le32(plat->ctrl_mod_base, 0,
+				CM_PHY_PWRDN | CM_PHY_OTG_PWRDN);
+	}
+}
+
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+
+static int ti_musb_get_usb_index(int node)
+{
+	const void *fdt = gd->fdt_blob;
+	int i = 0;
+	char path[64];
+	const char *alias_path;
+	char alias[16];
+
+	fdt_get_path(fdt, node, path, sizeof(path));
+
+	do {
+		snprintf(alias, sizeof(alias), "usb%d", i);
+		alias_path = fdt_get_alias(fdt, alias);
+		if (alias_path == NULL) {
+			debug("USB index not found\n");
+			return -ENOENT;
+		}
+
+		if (!strcmp(path, alias_path))
+			return i;
+
+		i++;
+	} while (alias_path);
+
+	return -ENOENT;
+}
+
+static int ti_musb_of_to_plat(struct udevice *dev)
+{
+	struct ti_musb_plat *plat = dev_get_plat(dev);
+	const void *fdt = gd->fdt_blob;
+	int node = dev_of_offset(dev);
+	int phys;
+	int ctrl_mod;
+	int usb_index;
+	struct musb_hdrc_config *musb_config;
+
+	plat->base = (void *)devfdt_get_addr_index(dev, 1);
+
+	phys = fdtdec_lookup_phandle(fdt, node, "phys");
+	ctrl_mod = fdtdec_lookup_phandle(fdt, phys, "ti,ctrl_mod");
+	plat->ctrl_mod_base = (void *)fdtdec_get_addr(fdt, ctrl_mod, "reg");
+	usb_index = ti_musb_get_usb_index(node);
+	switch (usb_index) {
+	case 1:
+		plat->ctrl_mod_base += AM335X_USB1_CTRL;
+		break;
+	case 0:
+		plat->ctrl_mod_base += AM335X_USB0_CTRL;
+		break;
+	default:
+		break;
+	}
+
+	musb_config = malloc(sizeof(struct musb_hdrc_config));
+	memset(musb_config, 0, sizeof(struct musb_hdrc_config));
+
+	musb_config->multipoint = fdtdec_get_int(fdt, node,
+						 "mentor,multipoint", -1);
+	if (musb_config->multipoint < 0) {
+		pr_err("MUSB multipoint DT entry missing\n");
+		return -ENOENT;
+	}
+
+	musb_config->dyn_fifo = 1;
+
+	musb_config->num_eps = fdtdec_get_int(fdt, node, "mentor,num-eps",
+					      -1);
+	if (musb_config->num_eps < 0) {
+		pr_err("MUSB num-eps DT entry missing\n");
+		return -ENOENT;
+	}
+
+	musb_config->ram_bits = fdtdec_get_int(fdt, node, "mentor,ram-bits",
+					       -1);
+	if (musb_config->ram_bits < 0) {
+		pr_err("MUSB ram-bits DT entry missing\n");
+		return -ENOENT;
+	}
+
+	plat->plat.config = musb_config;
+
+	plat->plat.power = fdtdec_get_int(fdt, node, "mentor,power", -1);
+	if (plat->plat.power < 0) {
+		pr_err("MUSB mentor,power DT entry missing\n");
+		return -ENOENT;
+	}
+
+	plat->plat.platform_ops = &musb_dsps_ops;
+
+	return 0;
+}
+#endif
+
+static int ti_musb_host_probe(struct udevice *dev)
+{
+	struct musb_host_data *host = dev_get_priv(dev);
+	struct ti_musb_plat *plat = dev_get_plat(dev);
+	struct usb_bus_priv *priv = dev_get_uclass_priv(dev);
+	int ret;
+
+	priv->desc_before_addr = true;
+
+	host->host = musb_init_controller(&plat->plat,
+					  NULL,
+					  plat->base);
+	if (!host->host)
+		return -EIO;
+
+	ti_musb_set_phy_power(dev, 1);
+	ret = musb_lowlevel_init(host);
+
+	return ret;
+}
+
+static int ti_musb_host_remove(struct udevice *dev)
+{
+	struct musb_host_data *host = dev_get_priv(dev);
+
+	musb_stop(host->host);
+	ti_musb_set_phy_power(dev, 0);
+
+	return 0;
+}
+
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+static int ti_musb_host_of_to_plat(struct udevice *dev)
+{
+	struct ti_musb_plat *plat = dev_get_plat(dev);
+	const void *fdt = gd->fdt_blob;
+	int node = dev_of_offset(dev);
+	int ret;
+
+	ret = ti_musb_of_to_plat(dev);
+	if (ret) {
+		pr_err("plat dt parse error\n");
+		return ret;
+	}
+
+	plat->plat.mode = MUSB_HOST;
+
+	return 0;
+}
+#endif
+
+U_BOOT_DRIVER(ti_musb_host) = {
+	.name	= "ti-musb-host",
+	.id	= UCLASS_USB,
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+	.of_to_plat = ti_musb_host_of_to_plat,
+#endif
+	.probe = ti_musb_host_probe,
+	.remove = ti_musb_host_remove,
+	.ops	= &musb_usb_ops,
+	.plat_auto	= sizeof(struct ti_musb_plat),
+	.priv_auto	= sizeof(struct musb_host_data),
+};
+
+#if CONFIG_IS_ENABLED(DM_USB_GADGET)
+struct ti_musb_peripheral {
+	struct musb *periph;
+};
+
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+static int ti_musb_peripheral_of_to_plat(struct udevice *dev)
+{
+	struct ti_musb_plat *plat = dev_get_plat(dev);
+	const void *fdt = gd->fdt_blob;
+	int node = dev_of_offset(dev);
+	int ret;
+
+	ret = ti_musb_of_to_plat(dev);
+	if (ret) {
+		pr_err("plat dt parse error\n");
+		return ret;
+	}
+	plat->plat.mode = MUSB_PERIPHERAL;
+
+	return 0;
+}
+#endif
+
+int dm_usb_gadget_handle_interrupts(struct udevice *dev)
+{
+	struct ti_musb_peripheral *priv = dev_get_priv(dev);
+
+	priv->periph->isr(0, priv->periph);
+
+	return 0;
+}
+
+static int ti_musb_peripheral_probe(struct udevice *dev)
+{
+	struct ti_musb_peripheral *priv = dev_get_priv(dev);
+	struct ti_musb_plat *plat = dev_get_plat(dev);
+	int ret;
+
+	priv->periph = musb_init_controller(&plat->plat,
+					    NULL,
+					    plat->base);
+	if (!priv->periph)
+		return -EIO;
+
+	ti_musb_set_phy_power(dev, 1);
+	musb_gadget_setup(priv->periph);
+	return usb_add_gadget_udc((struct device *)dev, &priv->periph->g);
+}
+
+static int ti_musb_peripheral_remove(struct udevice *dev)
+{
+	struct ti_musb_peripheral *priv = dev_get_priv(dev);
+
+	usb_del_gadget_udc(&priv->periph->g);
+	ti_musb_set_phy_power(dev, 0);
+
+	return 0;
+}
+
+U_BOOT_DRIVER(ti_musb_peripheral) = {
+	.name	= "ti-musb-peripheral",
+	.id	= UCLASS_USB_GADGET_GENERIC,
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+	.of_to_plat = ti_musb_peripheral_of_to_plat,
+#endif
+	.probe = ti_musb_peripheral_probe,
+	.remove = ti_musb_peripheral_remove,
+	.ops	= &musb_usb_ops,
+	.plat_auto	= sizeof(struct ti_musb_plat),
+	.priv_auto	= sizeof(struct ti_musb_peripheral),
+	.flags = DM_FLAG_PRE_RELOC,
+};
+#endif
+
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+static int ti_musb_wrapper_bind(struct udevice *parent)
+{
+	ofnode node;
+	int ret;
+
+	ofnode_for_each_subnode(node, dev_ofnode(parent)) {
+		struct udevice *dev;
+		const char *name = ofnode_get_name(node);
+		enum usb_dr_mode dr_mode;
+		struct driver *drv;
+
+		if (strncmp(name, "usb@", 4))
+			continue;
+
+		dr_mode = usb_get_dr_mode(node);
+		switch (dr_mode) {
+		case USB_DR_MODE_PERIPHERAL:
+			/* Bind MUSB device */
+			ret = device_bind_driver_to_node(parent,
+							 "ti-musb-peripheral",
+							 name,
+							 node,
+							 &dev);
+			if (ret)
+				pr_err("musb - not able to bind usb peripheral node\n");
+			break;
+		case USB_DR_MODE_HOST:
+			/* Bind MUSB host */
+			ret = device_bind_driver_to_node(parent,
+							 "ti-musb-host",
+							 name,
+							 node,
+							 &dev);
+			if (ret)
+				pr_err("musb - not able to bind usb host node\n");
+			break;
+		default:
+			break;
+		};
+	}
+	return 0;
+}
+
+static const struct udevice_id ti_musb_ids[] = {
+	{ .compatible = "ti,am33xx-usb" },
+	{ }
+};
+
+U_BOOT_DRIVER(ti_musb_wrapper) = {
+	.name	= "ti-musb-wrapper",
+	.id	= UCLASS_MISC,
+	.of_match = ti_musb_ids,
+	.bind = ti_musb_wrapper_bind,
+};
+#endif /* CONFIG_IS_ENABLED(OF_CONTROL) */
+
+#endif /* CONFIG_IS_ENABLED(DM_USB) */