Add Quectel EC20 4G LTE Module USB CDC/ACM support

Author: Alan Carvalho de Assis <acassis@gmail.com>

    Run nxstyle to check .c and .h files and fix reported issues

Author: liuzhao <happypapa@yeah.net>

    Add Quectel EC20 4G LTE Module USB CDC/ACM support
This commit is contained in:
liuzhao 2020-01-09 07:58:07 -03:00 committed by Alan Carvalho de Assis
parent db3826bf2c
commit dc5d8f7c44
8 changed files with 416 additions and 9 deletions

View file

@ -1004,6 +1004,22 @@
#define GPIO_USDHC2_WP_1 (GPIO_PERIPH | GPIO_ALT6 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B1_10_INDEX))
#define GPIO_USDHC2_WP_2 (GPIO_PERIPH | GPIO_ALT6 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_EMC_37_INDEX))
/* USB OTG */
#define GPIO_USB1_OTG_ID_1 (GPIO_PERIPH | GPIO_ALT3 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B0_01_INDEX))
#define GPIO_USB1_OTG_ID_2 (GPIO_PERIPH | GPIO_ALT0 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B1_02_INDEX))
#define GPIO_USB1_OTG_OC_1 (GPIO_PERIPH | GPIO_ALT3 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B0_03_INDEX))
#define GPIO_USB1_OTG_OC_2 (GPIO_PERIPH | GPIO_ALT0 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B1_03_INDEX))
#define GPIO_USB1_OTG_PWR_1 (GPIO_PERIPH | GPIO_ALT3 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B0_02_INDEX))
#define GPIO_USB1_OTG_PWR_2 (GPIO_PERIPH | GPIO_ALT0 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B1_01_INDEX))
#define GPIO_USB2_OTG_ID_1 (GPIO_PERIPH | GPIO_ALT3 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B0_00_INDEX))
#define GPIO_USB2_OTG_ID_2 (GPIO_PERIPH | GPIO_ALT0 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B1_00_INDEX))
#define GPIO_USB2_OTG_OC_1 (GPIO_PERIPH | GPIO_ALT3 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_EMC_40_INDEX))
#define GPIO_USB2_OTG_OC_2 (GPIO_PERIPH | GPIO_ALT0 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B0_14_INDEX))
#define GPIO_USB2_OTG_PWR_1 (GPIO_PERIPH | GPIO_ALT3 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_EMC_41_INDEX))
#define GPIO_USB2_OTG_PWR_2 (GPIO_PERIPH | GPIO_ALT0 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_AD_B0_15_INDEX))
/* Watchdog Timer (WDOG1-2) */
#define GPIO_WDOG1_1 (GPIO_PERIPH | GPIO_ALT0 | GPIO_PADMUX(IMXRT_PADMUX_GPIO_B1_13_INDEX))

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@ -232,8 +232,8 @@ static void imxrt_pllsetup(void)
{
#ifdef CONFIG_ARCH_FAMILY_IMXRT102x
uint32_t pll2reg;
uint32_t pll3reg;
#endif
uint32_t pll3reg;
uint32_t reg;
#if (defined(CONFIG_ARCH_FAMILY_IMXRT105x) || defined (CONFIG_ARCH_FAMILY_IMXRT106x))
@ -255,6 +255,31 @@ static void imxrt_pllsetup(void)
{
}
/* Init USB PLL3 */
/* capture it's original value */
pll3reg = getreg32(IMXRT_CCM_ANALOG_PFD_480);
putreg32(pll3reg |
CCM_ANALOG_PFD_480_PFD0_CLKGATE |
CCM_ANALOG_PFD_480_PFD1_CLKGATE |
CCM_ANALOG_PFD_480_PFD2_CLKGATE |
CCM_ANALOG_PFD_480_PFD3_CLKGATE,
IMXRT_CCM_ANALOG_PFD_480);
reg = IMXRT_USB1_PLL_DIV_SELECT |
CCM_ANALOG_PLL_USB1_ENABLE |
CCM_ANALOG_PLL_USB1_EN_USB_CLKS |
CCM_ANALOG_PLL_USB1_POWER;
putreg32(reg, IMXRT_CCM_ANALOG_PLL_USB1);
while ((getreg32(IMXRT_CCM_ANALOG_PLL_USB1) &
CCM_ANALOG_PLL_USB1_LOCK) == 0)
{
}
putreg32(pll3reg, IMXRT_CCM_ANALOG_PFD_480);
#ifdef CONFIG_IMXRT_LCD
/* Init Video PLL5 */

View file

@ -125,6 +125,8 @@
#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 BOARD_CPU_FREQUENCY \
(BOARD_XTAL_FREQUENCY * (IMXRT_ARM_PLL_DIV_SELECT / 2)) / IMXRT_ARM_PODF_DIVIDER

View file

@ -82,4 +82,8 @@ ifeq ($(CONFIG_IMXRT_LCD),y)
CSRCS += imxrt_lcd.c
endif
ifeq ($(CONFIG_IMXRT_USBOTG),y)
CSRCS += imxrt_usbhost.c
endif
include $(TOPDIR)/boards/Board.mk

View file

@ -177,7 +177,6 @@
#define GPIO_FT5X06_CTRSTn (GPIO_OUTPUT | GPIO_OUTPUT_ZERO | \
GPIO_PORT1 | GPIO_PIN2 | IOMUX_FT5X06_RST) /* AD_B0_02 */
/* Test Pins **************************************************************/
#define BOARD_NGPIOIN 0 /* Amount of GPIO Input pins */
@ -196,6 +195,10 @@
#define GPIO_GOUT4 (GPIO_OUTPUT | GPIO_OUTPUT_ZERO | IOMUX_GOUT_DEFAULT | \
GPIO_PIN9 | GPIO_PORT1)
/* USB OTG ID Pin GPIO_AD_B1_02 */
#define GPIO_USBOTG_ID (GPIO_USB_OTG1_ID_1 | IOMUX_USBOTG_ID_DEFAULT) /* AD_B1_02 */
/****************************************************************************
* Public Types
****************************************************************************/
@ -298,5 +301,9 @@ int imxrt_ft5x06_register(void);
void imxrt_lcd_initialize(void);
#endif
#if defined(CONFIG_IMXRT_USBOTG) || defined(CONFIG_USBHOST)
int imxrt_usbhost_initialize(void);
#endif
#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_ARM_IMXRT1060_EVK_SRC_IMXRT1060_EVK_H */

View file

@ -54,6 +54,10 @@
# include "imxrt_usdhc.h"
#endif
#ifdef CONFIG_USBMONITOR
# include <nuttx/usb/usbmonitor.h>
#endif
#include "imxrt1060-evk.h"
#include <arch/board/board.h> /* Must always be included last */
@ -184,6 +188,25 @@ 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
/* Initialize the GPIO driver */

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@ -0,0 +1,314 @@
/*****************************************************************************
* boards/arm/imxrt/imxrt1060-evk/src/imxrt_usbhost.c
*
* Copyright (C) 2013, 2015-2017 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*****************************************************************************/
/*****************************************************************************
* 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 "imxrt1060-evk.h"
#include <arch/board/board.h> /* Must always be included last */
#if defined(CONFIG_IMXRT_USBOTG) || defined(CONFIG_USBHOST)
/*****************************************************************************
* Pre-processor Definitions
*****************************************************************************/
#ifndef CONFIG_USBHOST_DEFPRIO
# define CONFIG_USBHOST_DEFPRIO 50
#endif
#ifndef CONFIG_USBHOST_STACKSIZE
# ifdef CONFIG_USBHOST_HUB
# define CONFIG_USBHOST_STACKSIZE 1536
# else
# define CONFIG_USBHOST_STACKSIZE 1024
# endif
#endif
/*****************************************************************************
* Private Data
*****************************************************************************/
/* Retained device driver handle */
static struct usbhost_connection_s *g_ehciconn;
/*****************************************************************************
* Private Functions
*****************************************************************************/
/*****************************************************************************
* Name: ehci_waiter
*
* Description:
* Wait for USB devices to be connected to the EHCI root hub.
*
*****************************************************************************/
static int ehci_waiter(int argc, char *argv[])
{
FAR struct usbhost_hubport_s *hport;
uinfo("ehci_waiter: Running\n");
for (; ; )
{
/* Wait for the device to change state */
DEBUGVERIFY(CONN_WAIT(g_ehciconn, &hport));
syslog(LOG_INFO, "ehci_waiter: %s\n",
hport->connected ? "connected" : "disconnected");
/* Did we just become connected? */
if (hport->connected)
{
/* Yes.. enumerate the newly connected device */
CONN_ENUMERATE(g_ehciconn, hport);
}
}
/* Keep the compiler from complaining */
return 0;
}
/*****************************************************************************
* 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)
{
pid_t pid;
int ret;
imxrt_clockall_usboh3();
/* Make sure we don't accidentially 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_USBOTG_ID);
/* 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. */
g_ehciconn = imxrt_ehci_initialize(0);
if (!g_ehciconn)
{
uerr("ERROR: imxrt_ehci_initialize failed\n");
return -ENODEV;
}
/* Start a thread to handle device connection. */
pid = kthread_create("EHCI Monitor", CONFIG_USBHOST_DEFPRIO,
CONFIG_USBHOST_STACKSIZE,
(main_t)ehci_waiter, (FAR char * const *)NULL);
if (pid < 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 */

View file

@ -394,7 +394,7 @@ static bool usbhost_txempty(FAR struct uart_dev_s *uartdev);
* device.
*/
static const struct usbhost_id_s g_id[2] =
static const struct usbhost_id_s g_id[4] =
{
{
USB_CLASS_CDC, /* base */
@ -409,6 +409,20 @@ static const struct usbhost_id_s g_id[2] =
CDC_PROTO_ATM, /* proto */
0, /* vid */
0 /* pid */
},
{
USB_CLASS_VENDOR_SPEC, /* base */
CDC_SUBCLASS_NONE, /* subclass */
CDC_PROTO_NONE, /* proto */
0x2c7c, /* vid */
0x0125 /* pid */
},
{
USB_CLASS_VENDOR_SPEC, /* base */
CDC_SUBCLASS_ACM, /* subclass */
CDC_PROTO_NONE, /* proto */
0x2c7c, /* vid */
0x0125 /* pid */
}
};
@ -418,7 +432,7 @@ static struct usbhost_registry_s g_cdcacm =
{
NULL, /* flink */
usbhost_create, /* create */
2, /* nids */
4, /* nids */
&g_id[0] /* id[] */
};
@ -1380,7 +1394,8 @@ static int usbhost_cfgdesc(FAR struct usbhost_cdcacm_s *priv,
/* Check for the CDC/ACM data interface */
if (ifdesc->classid == USB_CLASS_CDC_DATA &&
if ((ifdesc->classid == USB_CLASS_CDC_DATA ||
ifdesc->classid == USB_CLASS_VENDOR_SPEC) &&
(found & USBHOST_DATAIF_FOUND) == 0)
{
/* Save the data interface number and mark that the data
@ -1494,7 +1509,8 @@ static int usbhost_cfgdesc(FAR struct usbhost_cdcacm_s *priv,
/* Check for an interrupt IN endpoint. */
else if (currif == USBHOST_CTRLIF_FOUND &&
(epdesc->attr & USB_EP_ATTR_XFERTYPE_MASK) == USB_EP_ATTR_XFER_INT)
(epdesc->attr & USB_EP_ATTR_XFERTYPE_MASK) ==
USB_EP_ATTR_XFER_INT)
{
/* Yes.. it is a interrupt endpoint. IN or OUT? */
@ -1690,7 +1706,7 @@ static void usbhost_putle32(FAR uint8_t *dest, uint32_t val)
/* Little endian means LS halfword first in byte stream */
usbhost_putle16(dest, (uint16_t)(val & 0xffff));
usbhost_putle16(dest+2, (uint16_t)(val >> 16));
usbhost_putle16(dest + 2, (uint16_t)(val >> 16));
}
#endif
@ -1890,7 +1906,7 @@ usbhost_create(FAR struct usbhost_hubport_s *hport,
if (usbhost_devno_alloc(priv) == OK)
{
/* Initialize class method function pointers */
/* Initialize class method function pointers */
priv->usbclass.hport = hport;
priv->usbclass.connect = usbhost_connect;
@ -2199,6 +2215,7 @@ static int usbhost_disconnected(FAR struct usbhost_class_s *usbclass)
/****************************************************************************
* Serial Lower-Half Interfaces
****************************************************************************/
/****************************************************************************
* Name: usbhost_setup
*
@ -2608,7 +2625,6 @@ static void usbhost_rxint(FAR struct uart_dev_s *uartdev, bool enable)
static bool usbhost_rxavailable(FAR struct uart_dev_s *uartdev)
{
FAR struct usbhost_cdcacm_s *priv;
DEBUGASSERT(uartdev && uartdev->priv);