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usb: add imx8q_evk support to usb_host 

Issue #3571
This commit is contained in:
Alexander Boettcher 2019-12-02 10:06:29 +01:00 committed by Christian Helmuth
parent 6b17bb647e
commit e34b443c29
3 changed files with 77 additions and 2 deletions
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2
repos/dde_linux/src/drivers/usb_host/lx_emul.cc
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@ -19,7 +19,6 @@
#include <timer_session/connection.h>
#include <util/bit_allocator.h>
#include <util/string.h>
#include <os/backtrace.h>
/* Local includes */
#include "signal.h"
@ -41,7 +40,6 @@ namespace Genode {
unsigned long jiffies;
void lx_backtrace() { Genode::backtrace(); }
void pci_dev_put(struct pci_dev *pci_dev)

60
repos/dde_linux/src/drivers/usb_host/spec/imx8q_evk/platform.cc Normal file
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@ -0,0 +1,60 @@
/*
* \brief XHCI for Freescale i.MX8
* \author Alexander Boettcher
* \date 2019-12-02
*
* The driver is supposed to work solely if in the bootloader (uboot) the
* usb controller got powered on and the bootloader does not disable it on
* Genode boot.
*/
/*
* Copyright (C) 2019 Genode Labs GmbH
*
* This file is distributed under the terms of the GNU General Public License
* version 2.
*/
#include <platform.h>
#include <lx_emul.h>
extern "C" void module_dwc3_driver_init();
extern "C" void module_xhci_plat_init();
void platform_hcd_init(Genode::Env &, Services *services)
{
module_dwc3_driver_init();
module_xhci_plat_init();
/* setup XHCI-controller platform device */
{
static resource xhci_res[] =
{
{ 0x38200000ul, 0x38200000ul + 0x10000 - 1, "dwc3", IORESOURCE_MEM },
{ 41 + 32, 41 + 32, "dwc3-irq", IORESOURCE_IRQ },
};
platform_device *pdev = (platform_device *)kzalloc(sizeof(platform_device), 0);
pdev->name = (char *)"dwc3";
pdev->id = 2;
pdev->num_resources = 2;
pdev->resource = xhci_res;
pdev->dev.of_node = (device_node*)kzalloc(sizeof(device_node), 0);
pdev->dev.of_node->properties = (property*)kzalloc(sizeof(property), 0);
pdev->dev.of_node->properties->name = "compatible";
pdev->dev.of_node->properties->value = (void*)"fsl,imx8mq-dwc3";
pdev->dev.of_node->properties->next = (property*)kzalloc(sizeof(property), 0);
pdev->dev.of_node->properties->next->name = "dr_mode";
pdev->dev.of_node->properties->next->value = (void*)"host";
/*
* Needed for DMA buffer allocation. See 'hcd_buffer_alloc' in 'buffer.c'
*/
static u64 dma_mask = ~(u64)0;
pdev->dev.dma_mask = &dma_mask;
pdev->dev.coherent_dma_mask = ~0;
platform_device_register(pdev);
}
}

17
repos/dde_linux/src/drivers/usb_host/spec/imx8q_evk/target.mk Normal file
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@ -0,0 +1,17 @@
include $(REP_DIR)/src/drivers/usb_host/target.inc
TARGET = imx8q_evk_usb_host_drv
REQUIRES = imx8q_evk
SRC_C += usb/dwc3/core.c
SRC_C += usb/dwc3/host.c
SRC_C += usb/host/xhci-plat.c
INC_DIR += $(REP_DIR)/src/drivers/usb_host/spec/arm
INC_DIR += $(REP_DIR)/src/include/spec/arm_64
SRC_CC += spec/arm/platform.cc
SRC_CC += spec/imx8q_evk/platform.cc
CC_OPT += -DCONFIG_ARM64
CC_OPT += -DCONFIG_USB_DWC3_HOST=1