diff options
Diffstat (limited to 'target/linux/ubicom32/files/drivers/usb/musb/ubi32_usb.c')
| -rw-r--r-- | target/linux/ubicom32/files/drivers/usb/musb/ubi32_usb.c | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/target/linux/ubicom32/files/drivers/usb/musb/ubi32_usb.c b/target/linux/ubicom32/files/drivers/usb/musb/ubi32_usb.c deleted file mode 100644 index d89e00416b..0000000000 --- a/target/linux/ubicom32/files/drivers/usb/musb/ubi32_usb.c +++ /dev/null @@ -1,156 +0,0 @@ -/* - * drivers/usb/musb/ubi32_usb.c - * Ubicom32 usb controller driver. - * - * (C) Copyright 2009, Ubicom, Inc. - * Copyright (C) 2005-2006 by Texas Instruments - * - * Derived from the Texas Instruments Inventra Controller Driver for Linux. - * - * This file is part of the Ubicom32 Linux Kernel Port. - * - * The Ubicom32 Linux Kernel Port is free software: you can redistribute - * it and/or modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, either version 2 of the - * License, or (at your option) any later version. - * - * The Ubicom32 Linux Kernel Port is distributed in the hope that it - * will be useful, but WITHOUT ANY WARRANTY; without even the implied - * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with the Ubicom32 Linux Kernel Port. If not, - * see <http://www.gnu.org/licenses/>. - * - * Ubicom32 implementation derived from (with many thanks): - * arch/m68knommu - * arch/blackfin - * arch/parisc - */ -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/init.h> -#include <linux/list.h> -#include <linux/clk.h> -#include <linux/io.h> - -#include <asm/io.h> -#include <asm/ip5000.h> -#include "musb_core.h" - -void musb_platform_enable(struct musb *musb) -{ -} -void musb_platform_disable(struct musb *musb) -{ -} - -int musb_platform_set_mode(struct musb *musb, u8 musb_mode) { - return 0; -} - -static void ip5k_usb_hcd_vbus_power(struct musb *musb, int is_on, int sleeping) -{ -} - -static void ip5k_usb_hcd_set_vbus(struct musb *musb, int is_on) -{ - u8 devctl; - /* HDRC controls CPEN, but beware current surges during device - * connect. They can trigger transient overcurrent conditions - * that must be ignored. - */ - - devctl = musb_readb(musb->mregs, MUSB_DEVCTL); - - if (is_on) { - musb->is_active = 1; - musb->xceiv.default_a = 1; - musb->xceiv.state = OTG_STATE_A_WAIT_VRISE; - devctl |= MUSB_DEVCTL_SESSION; - - MUSB_HST_MODE(musb); - } else { - musb->is_active = 0; - - /* NOTE: we're skipping A_WAIT_VFALL -> A_IDLE and - * jumping right to B_IDLE... - */ - - musb->xceiv.default_a = 0; - musb->xceiv.state = OTG_STATE_B_IDLE; - devctl &= ~MUSB_DEVCTL_SESSION; - - MUSB_DEV_MODE(musb); - } - musb_writeb(musb->mregs, MUSB_DEVCTL, devctl); - - DBG(1, "VBUS %s, devctl %02x " - /* otg %3x conf %08x prcm %08x */ "\n", - otg_state_string(musb), - musb_readb(musb->mregs, MUSB_DEVCTL)); -} -static int ip5k_usb_hcd_set_power(struct otg_transceiver *x, unsigned mA) -{ - return 0; -} - -static int musb_platform_resume(struct musb *musb); - -int __init musb_platform_init(struct musb *musb) -{ - -#ifdef CONFIG_UBICOM32_V4 - u32_t chip_id; - asm volatile ( - "move.4 %0, CHIP_ID \n\t" - : "=r" (chip_id) - ); - if (chip_id == 0x30001) { - *((u32_t *)(GENERAL_CFG_BASE + GEN_USB_PHY_TEST)) &= ~(1 << 30); - udelay(1); - *((u32_t *)(GENERAL_CFG_BASE + GEN_USB_PHY_TEST)) &= ~(1 << 31); - } else { - *((u32_t *)(GENERAL_CFG_BASE + GEN_USB_PHY_TEST)) &= ~(1 << 17); - udelay(1); - *((u32_t *)(GENERAL_CFG_BASE + GEN_USB_PHY_TEST)) &= ~(1 << 14); - } -#endif - - *((u32_t *)(GENERAL_CFG_BASE + GEN_USB_PHY_CFG)) |= ((1 << 14) | (1 <<15)); - - /* The i-clk is AUTO gated. Hence there is no need - * to disable it until the driver is shutdown */ - - clk_enable(musb->clock); - musb_platform_resume(musb); - - ip5k_usb_hcd_vbus_power(musb, musb->board_mode == MUSB_HOST, 1); - - if (is_host_enabled(musb)) - musb->board_set_vbus = ip5k_usb_hcd_set_vbus; - if (is_peripheral_enabled(musb)) - musb->xceiv.set_power = ip5k_usb_hcd_set_power; - - return 0; -} - - -int musb_platform_suspend(struct musb *musb) -{ - return 0; -} -int musb_platform_resume(struct musb *musb) -{ - return 0; -} - -int musb_platform_exit(struct musb *musb) -{ - ip5k_usb_hcd_vbus_power(musb, 0 /*off*/, 1); - musb_platform_suspend(musb); - return 0; -} |