drivers/usb/host/ehci-spear.c

   1 /*
   2  * (C) Copyright 2010
   3  * Armando Visconti, ST Micoelectronics, <armando.visconti@st.com>.
   4  *
   5  * (C) Copyright 2009
   6  * Marvell Semiconductor <www.marvell.com>
   7  * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
   8  *
   9  * SPDX-License-Identifier:     GPL-2.0+
  10  */
  11
  12 #include <common.h>
  13 #include <asm/io.h>
  14 #include <usb.h>
  15 #include "ehci.h"
  16 #include <asm/arch/hardware.h>
  17
  18
  19 /*
  20  * Create the appropriate control structures to manage
  21  * a new EHCI host controller.
  22  */
  23 int ehci_hcd_init(int index, enum usb_init_type init,
  24                 struct ehci_hccr **hccr, struct ehci_hcor **hcor)
  25 {
  26         *hccr = (struct ehci_hccr *)(CONFIG_SYS_UHC0_EHCI_BASE + 0x100);
  27         *hcor = (struct ehci_hcor *)((uint32_t)*hccr
  28                         + HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
  29
  30         debug("SPEAr-ehci: init hccr %x and hcor %x hc_length %d\n",
  31                 (uint32_t)*hccr, (uint32_t)*hcor,
  32                 (uint32_t)HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
  33
  34         return 0;
  35 }
  36
  37 /*
  38  * Destroy the appropriate control structures corresponding
  39  * the the EHCI host controller.
  40  */
  41 int ehci_hcd_stop(int index)
  42 {
  43         return 0;
  44 }