nuttx/configs/spresense/src/cxd56_bringup.c

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/****************************************************************************
* configs/spresense/src/cxd56_bringup.c
*
* Copyright 2018 Sony Semiconductor Solutions Corporation
*
* 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 of Sony Semiconductor Solutions Corporation 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/mount.h>
#include <sys/types.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/arch.h>
#include <nuttx/board.h>
#include <arch/board/board.h>
#ifdef CONFIG_RNDIS
#include <nuttx/usb/rndis.h>
#endif
#include <arch/chip/pm.h>
#include "chip.h"
#include "cxd56_sysctl.h"
#include "cxd56_powermgr.h"
#include "cxd56_uart.h"
#include "cxd56_timerisr.h"
#include "cxd56_gpio.h"
#include "cxd56_pinconfig.h"
#ifdef CONFIG_CXD56_RTC
#include <nuttx/timers/rtc.h>
#include "cxd56_rtc.h"
#endif
#ifdef CONFIG_CXD56_CPUFIFO
#include "cxd56_cpufifo.h"
#endif
#ifdef CONFIG_CXD56_ICC
#include "cxd56_icc.h"
#endif
#ifdef CONFIG_CXD56_FARAPI
#include "cxd56_farapi.h"
#endif
#ifdef CONFIG_USBDEV
#include "cxd56_usbdev.h"
#endif
#include "spresense.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
/* procfs File System */
#ifdef CONFIG_FS_PROCFS
#ifdef CONFIG_NSH_PROC_MOUNTPOINT
#define CXD56_PROCFS_MOUNTPOINT CONFIG_NSH_PROC_MOUNTPOINT
#else
#define CXD56_PROCFS_MOUNTPOINT "/proc"
#endif
#endif
/****************************************************************************
* Private Functions
****************************************************************************/
#ifdef CONFIG_CXD56_CPUFIFO
static int nsh_cpucom_initialize(void)
{
int ret = OK;
cxd56_cfinitialize();
#ifdef CONFIG_CXD56_ICC
cxd56_iccinitialize();
#endif
#ifdef CONFIG_CXD56_FARAPI
cxd56_farapiinitialize();
#endif
cxd56_sysctlinitialize();
return ret;
}
#else
# define nsh_cpucom_initialize() (OK)
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: cxd56_bringup
*
* Description:
* Perform architecture-specific initialization
*
* CONFIG_BOARD_LATE_INITIALIZE=y :
* Called from board_late_initialize().
*
* CONFIG_BOARD_LATE_INITIALIZE=n && CONFIG_LIB_BOARDCTL=y :
* Called from the NSH library
*
****************************************************************************/
int cxd56_bringup(void)
{
struct pm_cpu_wakelock_s wlock;
int ret;
ret = nsh_cpucom_initialize();
if (ret < 0)
{
_err("ERROR: Failed to initialize cpucom.\n");
}
ret = cxd56_pm_initialize();
if (ret < 0)
{
_err("ERROR: Failed to initialize powermgr.\n");
}
wlock.info = PM_CPUWAKELOCK_TAG('C', 'A', 0);
wlock.count = 0;
up_pm_acquire_wakelock(&wlock);
#ifdef CONFIG_RTC_DRIVER
rtc_initialize(0, cxd56_rtc_lowerhalf());
#endif
cxd56_uart_initialize();
cxd56_timerisr_initialize();
#ifdef CONFIG_CXD56_CPUFIFO
ret = cxd56_pm_bootup();
if (ret < 0)
{
_err("ERROR: Failed to powermgr bootup.\n");
}
#endif
/* Initialize CPU clock to max frequency */
board_clock_initialize();
/* Setup the power of external device */
board_power_setup(0);
#ifdef CONFIG_FS_PROCFS
#ifdef CONFIG_FS_PROCFS_REGISTER
/* register usbdev procfs */
ret = cxd56_usbdev_procfs_register();
if (ret < 0)
{
_err("ERROR: Failed to register usbdev.\n");
}
#endif
ret = mount(NULL, CXD56_PROCFS_MOUNTPOINT, "procfs", 0, NULL);
if (ret < 0)
{
serr("ERROR: Failed to mount the procfs: %d\n", errno);
}
#endif
#ifdef CONFIG_CXD56_SFC
ret = board_flash_initialize();
if (ret < 0)
{
_err("ERROR: Failed to initialze SPI-Flash. %d\n", errno);
}
#endif
/* In order to prevent Hi-Z from being input to the SD Card controller,
* Initialize SDIO pins to GPIO low output with internal pull-down.
*/
CXD56_PIN_CONFIGS(PINCONFS_SDIOA_GPIO);
cxd56_gpio_write(PIN_SDIO_CLK, false);
cxd56_gpio_write(PIN_SDIO_CMD, false);
cxd56_gpio_write(PIN_SDIO_DATA0, false);
cxd56_gpio_write(PIN_SDIO_DATA1, false);
cxd56_gpio_write(PIN_SDIO_DATA2, false);
cxd56_gpio_write(PIN_SDIO_DATA3, false);
#if defined(CONFIG_CXD56_SDIO) && !defined(CONFIG_CXD56_SPISD)
ret = board_sdcard_initialize();
if (ret < 0)
{
_err("ERROR: Failed to initialze sdhci. \n");
}
#endif
#ifdef CONFIG_CXD56_SPISD
/* Mount the SPI-based MMC/SD block driver */
ret = board_spisd_initialize(0, 4);
if (ret < 0)
{
ferr("ERROR: Failed to initialize SPI device to MMC/SD: %d\n",
ret);
}
#endif
#ifdef CONFIG_CPUFREQ_RELEASE_LOCK
/* Enable dynamic clock control and CPU clock down for power saving */
board_clock_enable();
#endif
up_pm_release_wakelock(&wlock);
#if defined(CONFIG_RNDIS)
uint8_t mac[6];
mac[0] = 0xa0; /* TODO */
mac[1] = (CONFIG_NETINIT_MACADDR_2 >> (8 * 0)) & 0xff;
mac[2] = (CONFIG_NETINIT_MACADDR_1 >> (8 * 3)) & 0xff;
mac[3] = (CONFIG_NETINIT_MACADDR_1 >> (8 * 2)) & 0xff;
mac[4] = (CONFIG_NETINIT_MACADDR_1 >> (8 * 1)) & 0xff;
mac[5] = (CONFIG_NETINIT_MACADDR_1 >> (8 * 0)) & 0xff;
usbdev_rndis_initialize(mac);
#endif
return 0;
}