85 lines
1.9 KiB
C++
85 lines
1.9 KiB
C++
/*
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* \brief USB initialization for Raspberry Pi
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* \author Norman Feske
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* \date 2013-09-11
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*/
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/*
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* Copyright (C) 2013-2017 Genode Labs GmbH
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*
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* This file is distributed under the terms of the GNU General Public License
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* version 2.
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*/
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/* Genode includes */
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#include <io_mem_session/connection.h>
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#include <util/mmio.h>
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#include <platform_session/connection.h>
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/* emulation */
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#include <platform.h>
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#include <lx_emul.h>
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#include <timer_session/connection.h>
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/* dwc-otg */
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#define new new_
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#include <dwc_otg_dbg.h>
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#undef new
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using namespace Genode;
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unsigned dwc_irq();
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/************************************************
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** Resource info passed to the dwc_otg driver **
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************************************************/
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enum {
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DWC_BASE = 0x20980000,
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DWC_SIZE = 0x20000,
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};
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static resource _dwc_otg_resource[] =
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{
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{ DWC_BASE, DWC_BASE + DWC_SIZE - 1, "dwc_otg", IORESOURCE_MEM },
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{ dwc_irq(), dwc_irq(), "dwc_otg-irq" /* name unused */, IORESOURCE_IRQ }
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};
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/*******************
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** Init function **
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*******************/
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extern "C" void module_dwc_otg_driver_init();
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extern bool fiq_enable, fiq_fsm_enable;
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void platform_hcd_init(Services *services)
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{
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/* enable USB power */
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Platform::Connection platform(services->env);
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platform.power_state(Platform::Session::POWER_USB_HCD, true);
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/* disable fiq optimization */
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fiq_enable = false;
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fiq_fsm_enable = false;
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module_dwc_otg_driver_init();
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/* setup host-controller platform device */
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platform_device *pdev = (platform_device *)kzalloc(sizeof(platform_device), 0);
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pdev->name = (char *)"dwc_otg";
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pdev->id = 0;
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pdev->num_resources = sizeof(_dwc_otg_resource)/sizeof(resource);
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pdev->resource = _dwc_otg_resource;
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/* needed for DMA buffer allocation. See 'hcd_buffer_alloc' in 'buffer.c' */
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static u64 dma_mask = ~(u64)0;
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pdev->dev.dma_mask = &dma_mask;
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pdev->dev.coherent_dma_mask = ~0;
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platform_device_register(pdev);
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}
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