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boards/arcx-socket-grid: Add support to USBHOST and USBDISK

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This PR add support to USBHOST on iMXRT1052 ARCX-Socket-Grid board
and add a USBDISK board config example.

Signed-off-by: Alan C. Assis <acassis@gmail.com>
This commit is contained in:
Alan Carvalho de Assis 2025-08-04 20:22:31 -03:00 • committed by Alan C. Assis
parent 33e25738e5
commit d218334baa
9 changed files with 362 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
arch/arm/src/imxrt/Kconfig
View file

@ -378,6 +378,7 @@ config IMXRT_USBOTG1
select IMXRT_USBOTG
select USBHOST_HAVE_ASYNCH if USBHOST
select USBHOST_ASYNCH
select USBHOST_WAITER
config IMXRT_USBOTG2
bool "USB EHCI OTG2: NOT SUPPORTED YET"
@ -386,6 +387,7 @@ config IMXRT_USBOTG2
select IMXRT_USBOTG
select USBHOST_HAVE_ASYNCH if USBHOST
select USBHOST_ASYNCH
select USBHOST_WAITER
config IMXRT_USBDEV
bool "USB Device"

5
arch/arm/src/imxrt/imxrt_ehci.c
View file

@ -50,6 +50,7 @@
#include "chip.h"
#include "hardware/imxrt_usbotg.h"
#include "imxrt_periphclks.h"
#include "imxrt_ehci.h"
#if defined(CONFIG_IMXRT_USBOTG) && defined(CONFIG_USBHOST)
@ -459,8 +460,8 @@ static int imxrt_qh_dump(struct imxrt_qh_s *qh, uint32_t **bp, void *arg);
#else
# define imxrt_qtd_print(qtd)
# define imxrt_qh_print(qh)
# define imxrt_qtd_dump(qtd, bp, arg) OK
# define imxrt_qh_dump(qh, bp, arg) OK
# define imxrt_qtd_dump(qtd, bp, arg) ((void)OK)
# define imxrt_qh_dump(qh, bp, arg) ((void)OK)
#endif
static inline uint8_t imxrt_ehci_speed(uint8_t usbspeed);

58
boards/arm/imxrt/arcx-socket-grid/configs/usbdisk/defconfig Normal file
View file

@ -0,0 +1,58 @@
#
# This file is autogenerated: PLEASE DO NOT EDIT IT.
#
# You can use "make menuconfig" to make any modifications to the installed .config file.
# You can then do "make savedefconfig" to generate a new defconfig file that includes your
# modifications.
#
CONFIG_ARCH="arm"
CONFIG_ARCH_BOARD="arcx-socket-grid"
CONFIG_ARCH_BOARD_ARCX_SOCKET_GRID=y
CONFIG_ARCH_CHIP="imxrt"
CONFIG_ARCH_CHIP_IMXRT=y
CONFIG_ARCH_CHIP_MIMXRT1052DVL6A=y
CONFIG_ARCH_STACKDUMP=y
CONFIG_ARMV7M_DCACHE=y
CONFIG_ARMV7M_DCACHE_WRITETHROUGH=y
CONFIG_ARMV7M_ICACHE=y
CONFIG_BOARD_LOOPSPERMSEC=104926
CONFIG_BUILTIN=y
CONFIG_DEBUG_FEATURES=y
CONFIG_DEBUG_FS=y
CONFIG_DEBUG_FS_ERROR=y
CONFIG_DEBUG_FS_WARN=y
CONFIG_DEBUG_FULLOPT=y
CONFIG_DEBUG_SCHED=y
CONFIG_DEBUG_SCHED_ERROR=y
CONFIG_DEBUG_SCHED_INFO=y
CONFIG_DEBUG_SCHED_WARN=y
CONFIG_DEBUG_SYMBOLS=y
CONFIG_FAT_LCNAMES=y
CONFIG_FAT_LFN=y
CONFIG_FS_FAT=y
CONFIG_FS_PROCFS=y
CONFIG_IDLETHREAD_STACKSIZE=2048
CONFIG_IMXRT_LPUART1=y
CONFIG_IMXRT_USBOTG1=y
CONFIG_IMXRT_USBOTG2=y
CONFIG_INIT_ENTRYPOINT="nsh_main"
CONFIG_INTELHEX_BINARY=y
CONFIG_LINE_MAX=64
CONFIG_LPUART1_SERIAL_CONSOLE=y
CONFIG_NSH_ARCHINIT=y
CONFIG_NSH_BUILTIN_APPS=y
CONFIG_NSH_DISABLE_IFUPDOWN=y
CONFIG_NSH_FILEIOSIZE=512
CONFIG_NSH_READLINE=y
CONFIG_RAM_SIZE=524288
CONFIG_RAM_START=0x20200000
CONFIG_RAW_BINARY=y
CONFIG_SCHED_HPWORK=y
CONFIG_SCHED_LPWORK=y
CONFIG_START_DAY=14
CONFIG_START_MONTH=3
CONFIG_SYSTEM_NSH=y
CONFIG_USBHOST=y
CONFIG_USBHOST_MSC=y
CONFIG_USBHOST_TRACE=y
CONFIG_USBMONITOR=y

1
boards/arm/imxrt/arcx-socket-grid/include/board.h
View file

@ -119,6 +119,7 @@
#define IMXRT_SYS_PLL_SELECT CCM_ANALOG_PLL_SYS_DIV_SELECT_22
#define IMXRT_USB1_PLL_DIV_SELECT CCM_ANALOG_PLL_USB1_DIV_SELECT_20
#define IMXRT_USB2_PLL_DIV_SELECT CCM_ANALOG_PLL_USB2_DIV_SELECT_20
#define BOARD_CPU_FREQUENCY \
(BOARD_XTAL_FREQUENCY * (IMXRT_ARM_PLL_DIV_SELECT / 2)) / IMXRT_ARM_PODF_DIVIDER

4
boards/arm/imxrt/arcx-socket-grid/src/CMakeLists.txt
View file

@ -50,6 +50,10 @@ if(CONFIG_DEV_GPIO)
list(APPEND SRCS imxrt_gpio.c)
endif()
if(CONFIG_IMXRT_USBOTG)
list(APPEND SRCS imxrt_usbhost.c)
endif()
if(CONFIG_IMXRT1052_SOCKET_GRID_SDRAM)
list(APPEND SRCS imxrt_sdram_ini_dcd.c)
endif()

4
boards/arm/imxrt/arcx-socket-grid/src/Makefile
View file

@ -48,6 +48,10 @@ ifeq ($(CONFIG_IMXRT_LPSPI),y)
CSRCS += imxrt_spi.c
endif
ifeq ($(CONFIG_IMXRT_USBOTG),y)
CSRCS += imxrt_usbhost.c
endif
ifeq ($(CONFIG_DEV_GPIO),y)
CSRCS += imxrt_gpio.c
endif

21
boards/arm/imxrt/arcx-socket-grid/src/arcx-socket-grid.h
View file

@ -71,10 +71,14 @@
#define GPIO_GOUT4 (GPIO_OUTPUT | GPIO_OUTPUT_ZERO | IOMUX_GOUT_DEFAULT | \
GPIO_PIN9 | GPIO_PORT1)
/* Backlight */
/* USB OTG1 ID Pin： GPIO_AD_B0_01 */
#define GPIO_LCD_BL (GPIO_OUTPUT | GPIO_OUTPUT_ZERO | GPIO_PORT2 | \
GPIO_PIN31 | IOMUX_LCD_BL_DEFAULT)
#define GPIO_USBOTG1_ID (GPIO_USB_OTG1_ID_2 | IOMUX_USBOTG_ID_DEFAULT) /* AD_B0_01 */
/* USB HOST Power - GPIO_B1_15 */
#define USB_HOST_PWR (GPIO_OUTPUT | GPIO_OUTPUT_ZERO | GPIO_PORT2 | \
GPIO_PIN31 | IOMUX_USBOTG_PWR_DEFAULT)
/* Ethernet */
@ -191,5 +195,16 @@ void imxrt_autoled_initialize(void);
int imxrt_gpio_initialize(void);
#endif
/****************************************************************************
* Name: imxrt_usbhost_initialize
*
* Description:
*
****************************************************************************/
#ifdef CONFIG_USBHOST
int imxrt_usbhost_initialize(void);
#endif
#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_ARM_IMXRT_IMXRT1052_SOCKET_GRID_SRC_IMXRT1052_SOCKET_GRID_H */

23
boards/arm/imxrt/arcx-socket-grid/src/imxrt_bringup.c
View file

@ -40,6 +40,10 @@
# include "imxrt_usdhc.h"
#endif
#ifdef CONFIG_USBMONITOR
# include <nuttx/usb/usbmonitor.h>
#endif
#include "arcx-socket-grid.h"
#include <arch/board/board.h> /* Must always be included last */
@ -122,6 +126,25 @@ int imxrt_bringup(void)
}
#endif
#if defined(CONFIG_IMXRT_USBOTG) || defined(CONFIG_USBHOST)
ret = imxrt_usbhost_initialize();
if (ret != OK)
{
syslog(LOG_ERR, "ERROR: Failed to start USB host services: %d\n", ret);
return ret;
}
#endif
#ifdef CONFIG_USBMONITOR
/* Start the USB Monitor */
ret = usbmonitor_start();
if (ret != OK)
{
syslog(LOG_ERR, "ERROR: Failed to start USB monitor: %d\n", ret);
}
#endif
#ifdef CONFIG_DEV_GPIO
ret = imxrt_gpio_initialize();
if (ret < 0)

249
boards/arm/imxrt/arcx-socket-grid/src/imxrt_usbhost.c Normal file
View file

@ -0,0 +1,249 @@
/****************************************************************************
* boards/arm/imxrt/arcx-socket-grid/src/imxrt_usbhost.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdint.h>
#include <stdbool.h>
#include <sched.h>
#include <errno.h>
#include <assert.h>
#include <debug.h>
#include <nuttx/irq.h>
#include <nuttx/kthread.h>
#include <nuttx/usb/usbdev.h>
#include <nuttx/usb/usbhost.h>
#include <nuttx/usb/usbdev_trace.h>
#include <nuttx/usb/ehci.h>
#include <imxrt_ehci.h>
#include "hardware/imxrt_pinmux.h"
#include "hardware/imxrt_usbotg.h"
#include "imxrt_periphclks.h"
#include "arcx-socket-grid.h"
#include <arch/board/board.h> /* Must always be included last */
#if defined(CONFIG_IMXRT_USBOTG) || defined(CONFIG_USBHOST)
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: imxrt_usbhost_initialize
*
* Description:
* Called at application startup time to initialize the USB host
* functionality.
* This function will start a thread that will monitor for device
* connection/disconnection events.
*
****************************************************************************/
int imxrt_usbhost_initialize(void)
{
struct usbhost_connection_s *ehciconn;
int ret;
imxrt_clockall_usboh3();
/* Make sure we don't accidentally switch on USB bus power */
*((uint32_t *)IMXRT_USBNC_USB_OTG1_CTRL) = USBNC_PWR_POL;
*((uint32_t *)0x400d9030) = (1 << 21);
*((uint32_t *)0x400d9000) = 0;
/* Setup pins, with power initially off */
imxrt_config_gpio(GPIO_USBOTG1_ID);
/* Enable USB HOST POWER */
imxrt_config_gpio(USB_HOST_PWR);
imxrt_gpio_write(USB_HOST_PWR, true);
/* First, register all of the class drivers needed to support the drivers
* that we care about
*/
#ifdef CONFIG_USBHOST_HUB
/* Initialize USB hub support */
ret = usbhost_hub_initialize();
if (ret < 0)
{
syslog(LOG_ERR, "ERROR: usbhost_hub_initialize failed: %d\n", ret);
}
#endif
#ifdef CONFIG_USBHOST_MSC
/* Register the USB host Mass Storage Class */
ret = usbhost_msc_initialize();
if (ret != OK)
{
syslog(LOG_ERR,
"ERROR: Failed to register the mass storage class: %d\n", ret);
}
#endif
#ifdef CONFIG_USBHOST_CDCACM
/* Register the CDC/ACM serial class */
ret = usbhost_cdcacm_initialize();
if (ret != OK)
{
uerr("ERROR: Failed to register the CDC/ACM serial class\n");
}
#endif
#ifdef CONFIG_USBHOST_HIDKBD
/* Register the USB host HID keyboard class driver */
ret = usbhost_kbdinit();
if (ret != OK)
{
uerr("ERROR: Failed to register the KBD class\n");
}
#endif
/* Then get an instance of the USB EHCI interface. */
ehciconn = imxrt_ehci_initialize(0);
if (!ehciconn)
{
uerr("ERROR: imxrt_ehci_initialize failed\n");
return -ENODEV;
}
/* Initialize waiter */
ret = usbhost_waiter_initialize(ehciconn);
if (ret < 0)
{
uerr("ERROR: Failed to create ehci_waiter task: %d\n", ret);
return -ENODEV;
}
return OK;
}
/****************************************************************************
* Name: imxrt_usbhost_vbusdrive
*
* Description:
* Enable/disable driving of VBUS 5V output. This function must be
* provided by each platform that implements the OHCI or EHCI host
* interface
*
* Input Parameters:
* rhport - Selects root hub port to be powered host interface.
* Since the IMXRT has only a downstream port, zero is
* the only possible value for this parameter.
* enable - true: enable VBUS power; false: disable VBUS power
*
* Returned Value:
* None
*
****************************************************************************/
#define HCOR ((volatile struct ehci_hcor_s *)IMXRT_USBOTG_HCOR_BASE)
void imxrt_usbhost_vbusdrive(int rhport, bool enable)
{
uint32_t regval;
uinfo("RHPort%d: enable=%d\n", rhport + 1, enable);
/* The IMXRT has only a single root hub port */
if (rhport == 0)
{
/* Then enable or disable VBUS power */
regval = HCOR->portsc[rhport];
regval &= ~EHCI_PORTSC_PP;
if (enable)
{
regval |= EHCI_PORTSC_PP;
}
HCOR->portsc[rhport] = regval;
}
}
/****************************************************************************
* Name: imxrt_setup_overcurrent
*
* Description:
* Setup to receive an interrupt-level callback if an overcurrent condition
* is detected.
*
* Input Parameters:
* handler - New overcurrent interrupt handler
* arg - The argument that will accompany the interrupt
*
* Returned Value:
* Zero (OK) returned on success; a negated errno value is returned on
* failure.
*
****************************************************************************/
#if 0 /* Not ready yet */
int imxrt_setup_overcurrent(xcpt_t handler, void *arg)
{
irqstate_t flags;
/* Disable interrupts until we are done. This guarantees that the
* following operations are atomic.
*/
flags = enter_critical_section();
/* Configure the interrupt */
#warning Missing logic
leave_critical_section(flags);
return OK;
}
#endif /* 0 */
#endif /* CONFIG_IMXRT_USBOTG || CONFIG_USBHOST */