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path: root/drivers/usb/musb/davinci.c
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Diffstat (limited to 'drivers/usb/musb/davinci.c')
-rw-r--r--drivers/usb/musb/davinci.c123
1 files changed, 0 insertions, 123 deletions
diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c
deleted file mode 100644
index 46cdb5ad1f..0000000000
--- a/drivers/usb/musb/davinci.c
+++ /dev/null
@@ -1,123 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * TI's Davinci platform specific USB wrapper functions.
- *
- * Copyright (c) 2008 Texas Instruments
- *
- * 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);
-}