ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/uboot/drivers/usb/musb/davinci.c b/marvell/uboot/drivers/usb/musb/davinci.c
new file mode 100644
index 0000000..a9707a8
--- /dev/null
+++ b/marvell/uboot/drivers/usb/musb/davinci.c
@@ -0,0 +1,124 @@
+/*
+ * TI's Davinci platform specific USB wrapper functions.
+ *
+ * Copyright (c) 2008 Texas Instruments
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ * Author: Thomas Abraham t-abraham@ti.com, Texas Instruments
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include "davinci.h"
+#include <asm/arch/hardware.h>
+
+#if !defined(CONFIG_DV_USBPHY_CTL)
+#define CONFIG_DV_USBPHY_CTL (USBPHY_SESNDEN | USBPHY_VBDTCTEN)
+#endif
+
+/* MUSB platform configuration */
+struct musb_config musb_cfg = {
+ .regs = (struct musb_regs *)MENTOR_USB0_BASE,
+ .timeout = DAVINCI_USB_TIMEOUT,
+ .musb_speed = 0,
+};
+
+/* MUSB module register overlay */
+struct davinci_usb_regs *dregs;
+
+/*
+ * Enable the USB phy
+ */
+static u8 phy_on(void)
+{
+ u32 timeout;
+#ifdef DAVINCI_DM365EVM
+ u32 val;
+#endif
+ /* Wait until the USB phy is turned on */
+#ifdef DAVINCI_DM365EVM
+ writel(USBPHY_PHY24MHZ | USBPHY_SESNDEN |
+ USBPHY_VBDTCTEN, USBPHY_CTL_PADDR);
+#else
+ writel(CONFIG_DV_USBPHY_CTL, USBPHY_CTL_PADDR);
+#endif
+ timeout = musb_cfg.timeout;
+
+#ifdef DAVINCI_DM365EVM
+ /* Set the ownership of GIO33 to USB */
+ val = readl(PINMUX4);
+ val &= ~(PINMUX4_USBDRVBUS_BITCLEAR);
+ val |= PINMUX4_USBDRVBUS_BITSET;
+ writel(val, PINMUX4);
+#endif
+ while (timeout--)
+ if (readl(USBPHY_CTL_PADDR) & USBPHY_PHYCLKGD)
+ return 1;
+
+ /* USB phy was not turned on */
+ return 0;
+}
+
+/*
+ * Disable the USB phy
+ */
+static void phy_off(void)
+{
+ /* powerdown the on-chip PHY and its oscillator */
+ writel(USBPHY_OSCPDWN | USBPHY_PHYPDWN, USBPHY_CTL_PADDR);
+}
+
+void __enable_vbus(void)
+{
+ /*
+ * nothing to do, vbus is handled through the cpu.
+ * Define this function in board code, if it is
+ * different on your board.
+ */
+}
+void enable_vbus(void)
+ __attribute__((weak, alias("__enable_vbus")));
+
+/*
+ * This function performs Davinci platform specific initialization for usb0.
+ */
+int musb_platform_init(void)
+{
+ u32 revision;
+
+ /* enable USB VBUS */
+ enable_vbus();
+
+ /* start the on-chip USB phy and its pll */
+ if (!phy_on())
+ return -1;
+
+ /* reset the controller */
+ dregs = (struct davinci_usb_regs *)DAVINCI_USB0_BASE;
+ writel(1, &dregs->ctrlr);
+ udelay(5000);
+
+ /* Returns zero if e.g. not clocked */
+ revision = readl(&dregs->version);
+ if (!revision)
+ return -1;
+
+ /* Disable all interrupts */
+ writel(DAVINCI_USB_USBINT_MASK | DAVINCI_USB_RXINT_MASK |
+ DAVINCI_USB_TXINT_MASK , &dregs->intmsksetr);
+ return 0;
+}
+
+/*
+ * This function performs Davinci platform specific deinitialization for usb0.
+ */
+void musb_platform_deinit(void)
+{
+ /* Turn of the phy */
+ phy_off();
+
+ /* flush any interrupts */
+ writel(DAVINCI_USB_USBINT_MASK | DAVINCI_USB_TXINT_MASK |
+ DAVINCI_USB_RXINT_MASK , &dregs->intclrr);
+}