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Diffstat (limited to 'roms/u-boot/drivers/usb/musb-new/omap2430.c')
-rw-r--r--roms/u-boot/drivers/usb/musb-new/omap2430.c283
1 files changed, 283 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/usb/musb-new/omap2430.c b/roms/u-boot/drivers/usb/musb-new/omap2430.c
new file mode 100644
index 000000000..7d15b94a6
--- /dev/null
+++ b/roms/u-boot/drivers/usb/musb-new/omap2430.c
@@ -0,0 +1,283 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2005-2007 by Texas Instruments
+ * Some code has been taken from tusb6010.c
+ * Copyrights for that are attributable to:
+ * Copyright (C) 2006 Nokia Corporation
+ * Tony Lindgren <tony@atomide.com>
+ *
+ * This file is part of the Inventra Controller Driver for Linux.
+ */
+#include <common.h>
+#include <dm.h>
+#include <log.h>
+#include <serial.h>
+#include <dm/device-internal.h>
+#include <dm/device_compat.h>
+#include <dm/lists.h>
+#include <linux/err.h>
+#include <linux/usb/otg.h>
+#include <asm/global_data.h>
+#include <asm/omap_common.h>
+#include <asm/omap_musb.h>
+#include <twl4030.h>
+#include <twl6030.h>
+#include "linux-compat.h"
+#include "musb_core.h"
+#include "omap2430.h"
+#include "musb_uboot.h"
+
+static inline void omap2430_low_level_exit(struct musb *musb)
+{
+ u32 l;
+
+ /* in any role */
+ l = musb_readl(musb->mregs, OTG_FORCESTDBY);
+ l |= ENABLEFORCE; /* enable MSTANDBY */
+ musb_writel(musb->mregs, OTG_FORCESTDBY, l);
+}
+
+static inline void omap2430_low_level_init(struct musb *musb)
+{
+ u32 l;
+
+ l = musb_readl(musb->mregs, OTG_FORCESTDBY);
+ l &= ~ENABLEFORCE; /* disable MSTANDBY */
+ musb_writel(musb->mregs, OTG_FORCESTDBY, l);
+}
+
+
+static int omap2430_musb_init(struct musb *musb)
+{
+ u32 l;
+ int status = 0;
+ unsigned long int start;
+
+ struct omap_musb_board_data *data =
+ (struct omap_musb_board_data *)musb->controller;
+
+ /* Reset the controller */
+ musb_writel(musb->mregs, OTG_SYSCONFIG, SOFTRST);
+
+ start = get_timer(0);
+
+ while (1) {
+ l = musb_readl(musb->mregs, OTG_SYSCONFIG);
+ if ((l & SOFTRST) == 0)
+ break;
+
+ if (get_timer(start) > (CONFIG_SYS_HZ / 1000)) {
+ dev_err(musb->controller, "MUSB reset is taking too long\n");
+ return -ENODEV;
+ }
+ }
+
+ l = musb_readl(musb->mregs, OTG_INTERFSEL);
+
+ if (data->interface_type == MUSB_INTERFACE_UTMI) {
+ /* OMAP4 uses Internal PHY GS70 which uses UTMI interface */
+ l &= ~ULPI_12PIN; /* Disable ULPI */
+ l |= UTMI_8BIT; /* Enable UTMI */
+ } else {
+ l |= ULPI_12PIN;
+ }
+
+ musb_writel(musb->mregs, OTG_INTERFSEL, l);
+
+ pr_debug("HS USB OTG: revision 0x%x, sysconfig 0x%02x, "
+ "sysstatus 0x%x, intrfsel 0x%x, simenable 0x%x\n",
+ musb_readl(musb->mregs, OTG_REVISION),
+ musb_readl(musb->mregs, OTG_SYSCONFIG),
+ musb_readl(musb->mregs, OTG_SYSSTATUS),
+ musb_readl(musb->mregs, OTG_INTERFSEL),
+ musb_readl(musb->mregs, OTG_SIMENABLE));
+ return 0;
+
+err1:
+ return status;
+}
+
+static int omap2430_musb_enable(struct musb *musb)
+{
+#ifdef CONFIG_TWL4030_USB
+ if (twl4030_usb_ulpi_init()) {
+ serial_printf("ERROR: %s Could not initialize PHY\n",
+ __PRETTY_FUNCTION__);
+ }
+#endif
+
+#ifdef CONFIG_TWL6030_POWER
+ twl6030_usb_device_settings();
+#endif
+
+#ifdef CONFIG_OMAP44XX
+ u32 *usbotghs_control = (u32 *)((*ctrl)->control_usbotghs_ctrl);
+ *usbotghs_control = USBOTGHS_CONTROL_AVALID |
+ USBOTGHS_CONTROL_VBUSVALID | USBOTGHS_CONTROL_IDDIG;
+#endif
+
+ return 0;
+}
+
+static void omap2430_musb_disable(struct musb *musb)
+{
+
+}
+
+static int omap2430_musb_exit(struct musb *musb)
+{
+ del_timer_sync(&musb_idle_timer);
+
+ omap2430_low_level_exit(musb);
+
+ return 0;
+}
+
+const struct musb_platform_ops omap2430_ops = {
+ .init = omap2430_musb_init,
+ .exit = omap2430_musb_exit,
+ .enable = omap2430_musb_enable,
+ .disable = omap2430_musb_disable,
+};
+
+#if CONFIG_IS_ENABLED(DM_USB)
+
+struct omap2430_musb_plat {
+ void *base;
+ void *ctrl_mod_base;
+ struct musb_hdrc_platform_data plat;
+ struct musb_hdrc_config musb_config;
+ struct omap_musb_board_data otg_board_data;
+};
+
+static int omap2430_musb_of_to_plat(struct udevice *dev)
+{
+ struct omap2430_musb_plat *plat = dev_get_plat(dev);
+ const void *fdt = gd->fdt_blob;
+ int node = dev_of_offset(dev);
+
+ plat->base = (void *)dev_read_addr_ptr(dev);
+
+ plat->musb_config.multipoint = fdtdec_get_int(fdt, node, "multipoint",
+ -1);
+ if (plat->musb_config.multipoint < 0) {
+ pr_err("MUSB multipoint DT entry missing\n");
+ return -ENOENT;
+ }
+
+ plat->musb_config.dyn_fifo = 1;
+ plat->musb_config.num_eps = fdtdec_get_int(fdt, node, "num-eps", -1);
+ if (plat->musb_config.num_eps < 0) {
+ pr_err("MUSB num-eps DT entry missing\n");
+ return -ENOENT;
+ }
+
+ plat->musb_config.ram_bits = fdtdec_get_int(fdt, node, "ram-bits", -1);
+ if (plat->musb_config.ram_bits < 0) {
+ pr_err("MUSB ram-bits DT entry missing\n");
+ return -ENOENT;
+ }
+
+ plat->plat.power = fdtdec_get_int(fdt, node, "power", -1);
+ if (plat->plat.power < 0) {
+ pr_err("MUSB power DT entry missing\n");
+ return -ENOENT;
+ }
+
+ plat->otg_board_data.interface_type = fdtdec_get_int(fdt, node,
+ "interface-type",
+ -1);
+ if (plat->otg_board_data.interface_type < 0) {
+ pr_err("MUSB interface-type DT entry missing\n");
+ return -ENOENT;
+ }
+
+#if 0 /* In a perfect world, mode would be set to OTG, mode 3 from DT */
+ plat->plat.mode = fdtdec_get_int(fdt, node, "mode", -1);
+ if (plat->plat.mode < 0) {
+ pr_err("MUSB mode DT entry missing\n");
+ return -ENOENT;
+ }
+#else /* MUSB_OTG, it doesn't work */
+#ifdef CONFIG_USB_MUSB_HOST /* Host seems to be the only option that works */
+ plat->plat.mode = MUSB_HOST;
+#else /* For that matter, MUSB_PERIPHERAL doesn't either */
+ plat->plat.mode = MUSB_PERIPHERAL;
+#endif
+#endif
+ plat->otg_board_data.dev = dev;
+ plat->plat.config = &plat->musb_config;
+ plat->plat.platform_ops = &omap2430_ops;
+ plat->plat.board_data = &plat->otg_board_data;
+ return 0;
+}
+
+static int omap2430_musb_probe(struct udevice *dev)
+{
+#ifdef CONFIG_USB_MUSB_HOST
+ struct musb_host_data *host = dev_get_priv(dev);
+#else
+ struct musb *musbp;
+#endif
+ struct omap2430_musb_plat *plat = dev_get_plat(dev);
+ struct usb_bus_priv *priv = dev_get_uclass_priv(dev);
+ struct omap_musb_board_data *otg_board_data;
+ int ret = 0;
+ void *base = dev_read_addr_ptr(dev);
+
+ priv->desc_before_addr = true;
+
+ otg_board_data = &plat->otg_board_data;
+
+#ifdef CONFIG_USB_MUSB_HOST
+ host->host = musb_init_controller(&plat->plat,
+ (struct device *)otg_board_data,
+ plat->base);
+ if (!host->host) {
+ return -EIO;
+ }
+
+ ret = musb_lowlevel_init(host);
+#else
+ musbp = musb_register(&plat->plat, (struct device *)otg_board_data,
+ plat->base);
+ if (IS_ERR_OR_NULL(musbp))
+ return -EINVAL;
+#endif
+ return ret;
+}
+
+static int omap2430_musb_remove(struct udevice *dev)
+{
+ struct musb_host_data *host = dev_get_priv(dev);
+
+ musb_stop(host->host);
+
+ return 0;
+}
+
+static const struct udevice_id omap2430_musb_ids[] = {
+ { .compatible = "ti,omap3-musb" },
+ { .compatible = "ti,omap4-musb" },
+ { }
+};
+
+U_BOOT_DRIVER(omap2430_musb) = {
+ .name = "omap2430-musb",
+#ifdef CONFIG_USB_MUSB_HOST
+ .id = UCLASS_USB,
+#else
+ .id = UCLASS_USB_GADGET_GENERIC,
+#endif
+ .of_match = omap2430_musb_ids,
+ .of_to_plat = omap2430_musb_of_to_plat,
+ .probe = omap2430_musb_probe,
+ .remove = omap2430_musb_remove,
+#ifdef CONFIG_USB_MUSB_HOST
+ .ops = &musb_usb_ops,
+#endif
+ .plat_auto = sizeof(struct omap2430_musb_plat),
+ .priv_auto = sizeof(struct musb_host_data),
+};
+
+#endif /* CONFIG_IS_ENABLED(DM_USB) */