usb: musb: Remove legacy CONFIG_USB_DA8XX

There don't appear to be any boards enabling CONFIG_USB_DA8XX,
and there is a newer version of the MUSB driver, so let's remove
the legacy version of it.

Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Jean-Jacques Hiblot <jjhiblot@ti.com>

diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index 7e6be03f4ae386d65399ad46a814878b22086ccd..2508b6ed0d13a03ee260df790e35cb50fb9b8cc2 100644 (file)
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -15,10 +15,6 @@ config USB_OMAP3
        bool "Legacy MUSB OMAP3 / OMAP4"
        depends on ARCH_OMAP2PLUS
 
-config USB_DA8XX
-       bool "Legacy MUSB DA8xx/OMAP-L1x"
-       depends on ARCH_DAVINCI
-
 config USB_AM35X
        bool"Legacy MUSB AM35x"
        depends on ARCH_OMAP2PLUS && !USB_OMAP3

diff --git a/drivers/usb/musb/Makefile b/drivers/usb/musb/Makefile
index 1242ce1c8ca5141bf263c34a9e80176b1dec78e9..744f2cfaa294cea38a361d335e50bfefca6c6b03 100644 (file)
--- a/drivers/usb/musb/Makefile
+++ b/drivers/usb/musb/Makefile
@@ -6,5 +6,4 @@
 obj-$(CONFIG_USB_MUSB_HCD) += musb_hcd.o musb_core.o
 obj-$(CONFIG_USB_MUSB_UDC) += musb_udc.o musb_core.o
 obj-$(CONFIG_USB_OMAP3) += omap3.o
-obj-$(CONFIG_USB_DA8XX) += da8xx.o
 obj-$(CONFIG_USB_AM35X) += am35x.o

diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c
deleted file mode 100644 (file)
index a652a7c..0000000
--- a/drivers/usb/musb/da8xx.c
+++ /dev/null
@@ -1,127 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * da8xx.c - TI's DA8xx platform specific usb wrapper functions.
- *
- * Author: Ajay Kumar Gupta <ajay.gupta@ti.com>
- *
- * Based on drivers/usb/musb/davinci.c
- *
- * Copyright (C) 2009 Texas Instruments Incorporated
- */
-#include <common.h>
-
-#include "musb_core.h"
-#include <asm/arch/da8xx-usb.h>
-
-/* MUSB platform configuration */
-struct musb_config musb_cfg = {
-       .regs           = (struct musb_regs *)DA8XX_USB_OTG_CORE_BASE,
-       .timeout        = DA8XX_USB_OTG_TIMEOUT,
-       .musb_speed     = 0,
-};
-
-/*
- * This function enables VBUS by driving the GPIO Bank4 Pin 15 high.
- */
-static void enable_vbus(void)
-{
-       u32 value;
-
-       /* configure GPIO bank4 pin 15 in output direction */
-       value = readl(&davinci_gpio_bank45->dir);
-       writel((value & (~DA8XX_USB_VBUS_GPIO)), &davinci_gpio_bank45->dir);
-
-       /* set GPIO bank4 pin 15 high to drive VBUS */
-       value = readl(&davinci_gpio_bank45->set_data);
-       writel((value | DA8XX_USB_VBUS_GPIO), &davinci_gpio_bank45->set_data);
-}
-
-/*
- * Enable the usb0 phy. This initialization procedure is explained in
- * the DA8xx USB user guide document.
- */
-static u8 phy_on(void)
-{
-       u32 timeout;
-       u32 cfgchip2;
-
-       cfgchip2 = readl(&davinci_syscfg_regs->cfgchip2);
-
-       cfgchip2 &= ~(CFGCHIP2_RESET | CFGCHIP2_PHYPWRDN | CFGCHIP2_OTGPWRDN |
-                     CFGCHIP2_OTGMODE | CFGCHIP2_REFFREQ);
-       cfgchip2 |= CFGCHIP2_SESENDEN | CFGCHIP2_VBDTCTEN | CFGCHIP2_PHY_PLLON |
-                   CFGCHIP2_REFFREQ_24MHZ;
-
-       writel(cfgchip2, &davinci_syscfg_regs->cfgchip2);
-
-       /* wait until the usb phy pll locks */
-       timeout = musb_cfg.timeout;
-       while (timeout--)
-               if (readl(&davinci_syscfg_regs->cfgchip2) & CFGCHIP2_PHYCLKGD)
-                       return 1;
-
-       /* USB phy was not turned on */
-       return 0;
-}
-
-/*
- * Disable the usb phy
- */
-static void phy_off(void)
-{
-       u32 cfgchip2;
-
-       /*
-        * Power down the on-chip PHY.
-        */
-       cfgchip2 = readl(&davinci_syscfg_regs->cfgchip2);
-       cfgchip2 &= ~CFGCHIP2_PHY_PLLON;
-       cfgchip2 |= CFGCHIP2_PHYPWRDN | CFGCHIP2_OTGPWRDN;
-       writel(cfgchip2, &davinci_syscfg_regs->cfgchip2);
-}
-
-/*
- * This function performs DA8xx platform specific initialization for usb0.
- */
-int musb_platform_init(void)
-{
-       u32  revision;
-
-       /* enable psc for usb2.0 */
-       lpsc_on(33);
-
-       /* enable usb vbus */
-       enable_vbus();
-
-       /* reset the controller */
-       writel(0x1, &da8xx_usb_regs->control);
-       udelay(5000);
-
-       /* start the on-chip usb phy and its pll */
-       if (phy_on() == 0)
-               return -1;
-
-       /* Returns zero if e.g. not clocked */
-       revision = readl(&da8xx_usb_regs->revision);
-       if (revision == 0)
-               return -1;
-
-       /* Disable all interrupts */
-       writel((DA8XX_USB_USBINT_MASK | DA8XX_USB_TXINT_MASK |
-               DA8XX_USB_RXINT_MASK), &da8xx_usb_regs->intmsk_set);
-       return 0;
-}
-
-/*
- * This function performs DA8xx platform specific deinitialization for usb0.
- */
-void musb_platform_deinit(void)
-{
-       /* Turn of the phy */
-       phy_off();
-
-       /* flush any interrupts */
-       writel((DA8XX_USB_USBINT_MASK | DA8XX_USB_TXINT_MASK |
-               DA8XX_USB_RXINT_MASK), &da8xx_usb_regs->intmsk_clr);
-       writel(0, &da8xx_usb_regs->eoi);
-}