diff options
Diffstat (limited to 'target/linux/lantiq/files/drivers/usb/dwc_otg/dwc_otg_ifx.c')
| -rw-r--r-- | target/linux/lantiq/files/drivers/usb/dwc_otg/dwc_otg_ifx.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/target/linux/lantiq/files/drivers/usb/dwc_otg/dwc_otg_ifx.c b/target/linux/lantiq/files/drivers/usb/dwc_otg/dwc_otg_ifx.c new file mode 100644 index 000000000..e45da853e --- /dev/null +++ b/target/linux/lantiq/files/drivers/usb/dwc_otg/dwc_otg_ifx.c @@ -0,0 +1,103 @@ +/****************************************************************************** +** +** FILE NAME : dwc_otg_ifx.c +** PROJECT : Twinpass/Danube +** MODULES : DWC OTG USB +** +** DATE : 12 Auguest 2007 +** AUTHOR : Sung Winder +** DESCRIPTION : Platform specific initialization. +** COPYRIGHT : Copyright (c) 2007 +** Infineon Technologies AG +** 2F, No.2, Li-Hsin Rd., Hsinchu Science Park, +** Hsin-chu City, 300 Taiwan. +** +** This program 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. +** +** HISTORY +** $Date $Author $Comment +** 12 Auguest 2007 Sung Winder Initiate Version +*******************************************************************************/ +#include "dwc_otg_ifx.h" + +#include <linux/platform_device.h> +#include <linux/kernel.h> +#include <linux/ioport.h> +#include <linux/gpio.h> + +#include <asm/io.h> +//#include <asm/mach-ifxmips/ifxmips.h> +#include <lantiq_soc.h> + +#define IFXMIPS_GPIO_BASE_ADDR (0xBE100B00) + +#define IFXMIPS_GPIO_P0_OUT ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0010)) +#define IFXMIPS_GPIO_P1_OUT ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0040)) +#define IFXMIPS_GPIO_P0_IN ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0014)) +#define IFXMIPS_GPIO_P1_IN ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0044)) +#define IFXMIPS_GPIO_P0_DIR ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0018)) +#define IFXMIPS_GPIO_P1_DIR ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0048)) +#define IFXMIPS_GPIO_P0_ALTSEL0 ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x001C)) +#define IFXMIPS_GPIO_P1_ALTSEL0 ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x004C)) +#define IFXMIPS_GPIO_P0_ALTSEL1 ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0020)) +#define IFXMIPS_GPIO_P1_ALTSEL1 ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0050)) +#define IFXMIPS_GPIO_P0_OD ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0024)) +#define IFXMIPS_GPIO_P1_OD ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0054)) +#define IFXMIPS_GPIO_P0_STOFF ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0028)) +#define IFXMIPS_GPIO_P1_STOFF ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0058)) +#define IFXMIPS_GPIO_P0_PUDSEL ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x002C)) +#define IFXMIPS_GPIO_P1_PUDSEL ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x005C)) +#define IFXMIPS_GPIO_P0_PUDEN ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0030)) +#define IFXMIPS_GPIO_P1_PUDEN ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0060)) + + +#define writel ltq_w32 +#define readl ltq_r32 +void dwc_otg_power_on (void) +{ + // clear power + writel(readl(DANUBE_PMU_PWDCR) | 0x41, DANUBE_PMU_PWDCR); + // set clock gating + if (ltq_is_ase()) + writel(readl(DANUBE_CGU_IFCCR) & ~0x20, DANUBE_CGU_IFCCR); + else + writel(readl(DANUBE_CGU_IFCCR) | 0x30, DANUBE_CGU_IFCCR); + // set power + writel(readl(DANUBE_PMU_PWDCR) & ~0x1, DANUBE_PMU_PWDCR); + writel(readl(DANUBE_PMU_PWDCR) & ~0x40, DANUBE_PMU_PWDCR); + writel(readl(DANUBE_PMU_PWDCR) & ~0x8000, DANUBE_PMU_PWDCR); + +#if 1//defined (DWC_HOST_ONLY) + // make the hardware be a host controller (default) + //clear_bit (DANUBE_USBCFG_HDSEL_BIT, (volatile unsigned long *)DANUBE_RCU_UBSCFG); + writel(readl(DANUBE_RCU_UBSCFG) & ~(1<<DANUBE_USBCFG_HDSEL_BIT), DANUBE_RCU_UBSCFG); + + //#elif defined (DWC_DEVICE_ONLY) + /* set the controller to the device mode */ + // set_bit (DANUBE_USBCFG_HDSEL_BIT, (volatile unsigned long *)DANUBE_RCU_UBSCFG); +#else +#error "For Danube/Twinpass, it should be HOST or Device Only." +#endif + + // set the HC's byte-order to big-endian + //set_bit (DANUBE_USBCFG_HOST_END_BIT, (volatile unsigned long *)DANUBE_RCU_UBSCFG); + writel(readl(DANUBE_RCU_UBSCFG) | (1<<DANUBE_USBCFG_HOST_END_BIT), DANUBE_RCU_UBSCFG); + //clear_bit (DANUBE_USBCFG_SLV_END_BIT, (volatile unsigned long *)DANUBE_RCU_UBSCFG); + writel(readl(DANUBE_RCU_UBSCFG) & ~(1<<DANUBE_USBCFG_SLV_END_BIT), DANUBE_RCU_UBSCFG); + //writel(0x400, DANUBE_RCU_UBSCFG); + + // PHY configurations. + writel (0x14014, (volatile unsigned long *)0xbe10103c); +} + +int ifx_usb_hc_init(unsigned long base_addr, int irq) +{ + return 0; +} + +void ifx_usb_hc_remove(void) +{ +} |