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SAMA5: Add support for initialization of the USB host and mass storage class

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This commit is contained in:
Gregory Nutt
2013-08-11 17:52:36 -06:00
parent 6424d0d63a
commit 0983828ff3
5 changed files with 372 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
configs/sama5d3x-ek/src/Makefile
+8
View File
@@ -78,6 +78,14 @@ CSRCS += sam_hsmci.c
endif
endif
ifeq ($(CONFIG_SAMA5_UHPHS),y)
CSRCS += sam_usb.c
else
ifeq ($(CONFIG_SAMA5_UDPHS),y)
CSRCS += sam_usb.c
endif
endif
ifeq ($(CONFIG_NSH_ARCHINIT),y)
CSRCS += sam_nsh.c
endif
configs/sama5d3x-ek/src/sam_boot.c
+13
View File
@@ -90,6 +90,19 @@ void sam_boardinitialize(void)
#endif
/* Initialize USB if the 1) the HS host or device controller is in the
* configuration and 2) the weak function sam_usbinitialize() has been brought
* into the build. Presumeably either CONFIG_USBDEV or CONFIG_USBHOST is also
* selected.
*/
#if defined(CONFIG_SAMA5_UHPHS) || defined(CONFIG_SAMA5_UDPHS)
if (sam_usbinitialize)
{
sam_usbinitialize();
}
#endif
#ifdef CONFIG_ARCH_LEDS
/* Configure on-board LEDs if LED support has been selected. */
configs/sama5d3x-ek/src/sam_nsh.c
+18 -5
View File
@@ -112,7 +112,7 @@ int nsh_archinitialize(void)
ret = sam_at25_initialize(AT25_MINOR);
if (ret < 0)
{
fdbg("ERROR: sam_at25_initialize failed: %d\n", ret);
dbg("ERROR: sam_at25_initialize failed: %d\n", ret);
return ret;
}
#endif
@@ -122,8 +122,8 @@ int nsh_archinitialize(void)
ret = sam_hsmci_initialize(HSMCI0_SLOTNO, HSMCI0_MINOR);
if (ret < 0)
{
fdbg("ERROR: sam_hsmci_initialize(%d,%d) failed: %d\n",
HSMCI0_SLOTNO, HSMCI0_MINOR, ret);
dbg("ERROR: sam_hsmci_initialize(%d,%d) failed: %d\n",
HSMCI0_SLOTNO, HSMCI0_MINOR, ret);
return ret;
}
#endif
@@ -132,12 +132,25 @@ int nsh_archinitialize(void)
ret = sam_hsmci_initialize(HSMCI1_SLOTNO, HSMCI1_MINOR);
if (ret < 0)
{
fdbg("ERROR: sam_hsmci_initialize(%d,%d) failed: %d\n",
HSMCI1_SLOTNO, HSMCI1_MINOR, ret);
dbg("ERROR: sam_hsmci_initialize(%d,%d) failed: %d\n",
HSMCI1_SLOTNO, HSMCI1_MINOR, ret);
return ret;
}
#endif
#endif
#if defined(CONFIG_SAMA5_OHCI) || defined(CONFIG_SAMA5_EHCI)
/* Initialize USB host operation. sam_usbhost_initialize() starts a thread
* will monitor for USB connection and disconnection events.
*/
ret = sam_usbhost_initialize();
if (ret != OK)
{
dbg("ERROR: Failed to initialize USB host: %d\n", ret);
return ret;
}
#endif
return OK;
}
configs/sama5d3x-ek/src/sam_usb.c
+272
View File
@@ -0,0 +1,272 @@
/************************************************************************************
* configs/sama5d3x-ek/src/up_usbdev.c
*
* Copyright (C) 2013 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/usb/usbdev.h>
#include <nuttx/usb/usbhost.h>
#include <nuttx/usb/usbdev_trace.h>
#include "up_arch.h"
#include "sam_ohci.h"
#include "sama5d3x-ek.h"
#if defined(CONFIG_SAMA5_UHPHS) || defined(CONFIG_SAMA5_UDPHS)
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
#ifndef CONFIG_USBHOST_DEFPRIO
# define CONFIG_USBHOST_DEFPRIO 50
#endif
#ifndef CONFIG_USBHOST_STACKSIZE
# define CONFIG_USBHOST_STACKSIZE 1024
#endif
/************************************************************************************
* Private Data
************************************************************************************/
#if defined(CONFIG_SAMA5_OHCI) || defined(CONFIG_SAMA5_EHCI)
static struct usbhost_driver_s *g_drvr;
#endif
/************************************************************************************
* Private Functions
************************************************************************************/
/************************************************************************************
* Name: usbhost_waiter
*
* Description:
* Wait for USB devices to be connected.
*
************************************************************************************/
#ifdef CONFIG_USBHOST
static int usbhost_waiter(int argc, char *argv[])
{
bool connected = false;
uvdbg("Running\n");
for (;;)
{
/* Wait for the device to change state */
DEBUGVERIFY(DRVR_WAIT(g_drvr, connected) == OK);
connected = !connected;
uvdbg("%s\n", connected ? "connected" : "disconnected");
/* Did we just become connected? */
if (connected)
{
/* Yes.. enumerate the newly connected device */
(void)DRVR_ENUMERATE(g_drvr);
}
}
/* Keep the compiler from complaining */
return 0;
}
#endif
/************************************************************************************
* Public Functions
************************************************************************************/
/************************************************************************************
* Name: sam_usbinitialize
*
* Description:
* Called from sam_usbinitialize very early in inialization to setup USB-related
* GPIO pins for the STM32F4Discovery board.
*
************************************************************************************/
void weak_function sam_usbinitialize(void)
{
/* Configure pull-ups */
/* Configure the OTG FS VBUS sensing GPIO, Power On, and Overcurrent PIOs */
}
/***********************************************************************************
* Name: sam_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.
*
***********************************************************************************/
#if defined(CONFIG_SAMA5_OHCI) || defined(CONFIG_SAMA5_EHCI)
int sam_usbhost_initialize(void)
{
int pid;
int ret;
/* First, register all of the class drivers needed to support the drivers
* that we care about:
*/
uvdbg("Register class drivers\n");
ret = usbhost_storageinit();
if (ret != OK)
{
udbg("Failed to register the mass storage class\n");
}
/* Then get an instance of the USB host interface */
uvdbg("Initialize USB host\n");
g_drvr = sam_ohci_initialize(0);
if (g_drvr)
{
/* Start a thread to handle device connection. */
uvdbg("Start usbhost_waiter\n");
pid = TASK_CREATE("usbhost", CONFIG_USBHOST_DEFPRIO,
CONFIG_USBHOST_STACKSIZE,
(main_t)usbhost_waiter, (FAR char * const *)NULL);
return pid < 0 ? -ENOEXEC : OK;
}
return -ENODEV;
}
#endif
/***********************************************************************************
* Name: sam_usbhost_vbusdrive
*
* Description:
* Enable/disable driving of VBUS 5V output. This function must be provided be
* each platform that implements the STM32 OTG FS host interface
*
* "On-chip 5 V VBUS generation is not supported. For this reason, a charge pump
* or, if 5 V are available on the application board, a basic power switch, must
* be added externally to drive the 5 V VBUS line. The external charge pump can
* be driven by any GPIO output. When the application decides to power on VBUS
* using the chosen GPIO, it must also set the port power bit in the host port
* control and status register (PPWR bit in OTG_FS_HPRT).
*
* "The application uses this field to control power to this port, and the core
* clears this bit on an overcurrent condition."
*
* Input Parameters:
* iface - For future growth to handle multiple USB host interface. Should be zero.
* enable - true: enable VBUS power; false: disable VBUS power
*
* Returned Value:
* None
*
***********************************************************************************/
#if defined(CONFIG_SAMA5_OHCI) || defined(CONFIG_SAMA5_EHCI)
void sam_usbhost_vbusdrive(int iface, bool enable)
{
DEBUGASSERT(iface == 0);
if (enable)
{
/* Enable the Power Switch by driving the enable pin low */
}
else
{
/* Disable the Power Switch by driving the enable pin high */
}
}
#endif
/************************************************************************************
* Name: sam_setup_overcurrent
*
* Description:
* Setup to receive an interrupt-level callback if an overcurrent condition is
* detected.
*
* Input paramter:
* handler - New overcurrent interrupt handler
*
* Returned value:
* Old overcurrent interrupt handler
*
************************************************************************************/
#if defined(CONFIG_SAMA5_OHCI) || defined(CONFIG_SAMA5_EHCI)
xcpt_t sam_setup_overcurrent(xcpt_t handler)
{
return NULL;
}
#endif
/************************************************************************************
* Name: sam_usbsuspend
*
* Description:
* Board logic must provide the sam_usbsuspend logic if the USBDEV driver is
* used. This function is called whenever the USB enters or leaves suspend mode.
* This is an opportunity for the board logic to shutdown clocks, power, etc.
* while the USB is suspended.
*
************************************************************************************/
#ifdef CONFIG_USBDEV
void sam_usbsuspend(FAR struct usbdev_s *dev, bool resume)
{
ulldbg("resume: %d\n", resume);
}
#endif
#endif /* CONFIG_SAMA5_UHPHS || CONFIG_SAMA5_UDPHS*/
configs/sama5d3x-ek/src/sama5d3x-ek.h
+61
View File
@@ -58,6 +58,7 @@
#define HAVE_HSMCI_MTD 1
#define HAVE_AT25_MTD 1
/* HSMCI */
/* Can't support MMC/SD if the card interface(s) are not enable */
#if !defined(CONFIG_SAMA5_HSMCI0) && !defined(CONFIG_SAMA5_HSMCI1)
@@ -78,6 +79,7 @@
# undef HAVE_HSMCI_MTD
#endif
/* AT25 Serial FLASH */
/* Can't support the AT25 device if it SPI0 or AT25 support are not enabled */
#if !defined(CONFIG_SAMA5_SPI0) || !defined(CONFIG_MTD_AT25)
@@ -106,6 +108,39 @@
# undef CONFIG_SAMA5_AT25_NXFFS
#endif
/* USB Host / USB Device */
/* Either CONFIG_SAMA5_UHPHS or CONFIG_SAMA5_UDPHS must be defined, or there is
* no USB of any kind.
*/
#if !defined(CONFIG_SAMA5_UHPHS)
# undef CONFIG_SAMA5_OHCI
# undef CONFIG_SAMA5_EHCI
#endif
#if !defined(CONFIG_SAMA5_UDPHS)
#endif
/* CONFIG_USBDEV and CONFIG_USBHOST must also be defined */
#if defined(CONFIG_USBDEV)
#else
#endif
#if defined(CONFIG_USBHOST)
# if !defined(CONFIG_SAMA5_OHCI) && !defined(CONFIG_SAMA5_EHCI)
# warning CONFIG_USBHOST is defined, but neither CONFIG_SAMA5_OHCI nor CONFIG_SAMA5_EHCI are defined
# endif
#else
# undef CONFIG_SAMA5_OHCI
# undef CONFIG_SAMA5_EHCI
#endif
#if defined(CONFIG_SAMA5_OHCI) && defined(CONFIG_SAMA5_EHCI)
# warning Both CONFIG_SAMA5_OHCI and CONFIG_SAMA5_EHCI are defined
# undef CONFIG_SAMA5_EHCI
#endif
/* LEDs *****************************************************************************/
/* There are two LEDs on the SAMA5D3 series-CM board that can be controlled
* by software. A blue LED is controlled via PIO pins. A red LED normally
@@ -322,6 +357,32 @@ bool sam_cardinserted(int slotno);
bool sam_writeprotected(int slotno);
#endif
/************************************************************************************
* Name: sam_usbinitialize
*
* Description:
* Called from sam_usbinitialize very early in inialization to setup USB-related
* GPIO pins for the STM32F4Discovery board.
*
************************************************************************************/
#if defined(CONFIG_SAMA5_UHPHS) || defined(CONFIG_SAMA5_UDPHS)
void weak_function sam_usbinitialize(void);
#endif
/****************************************************************************************************
* Name: stm32_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.
*
****************************************************************************************************/
#if defined(CONFIG_SAMA5_OHCI) || defined(CONFIG_SAMA5_EHCI)
int sam_usbhost_initialize(void);
#endif
/************************************************************************************
* Name: up_ledinit
************************************************************************************/