mirror of
https://github.com/apache/nuttx.git
synced 2026-06-06 16:50:55 +08:00
i.MX6: Add some boot logic. Mostly just cloned from the SAMA5D
This commit is contained in:
Gregory Nutt
@@ -132,4 +132,4 @@ CHIP_ASRCS =
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# i.MX6-specific C source files
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CHIP_CSRCS = imx_memorymap.c
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CHIP_CSRCS = imx_boot.c imx_memorymap.c
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File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,109 @@
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/****************************************************************************
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* arch/arm/src/imx/imx_boot.h
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*
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||||
* Copyright (C) 2016 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.
|
||||
*
|
||||
****************************************************************************/
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||||
|
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#ifndef __ARCH_ARM_SRC_IMX6_IMX_BOOT_H
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#define __ARCH_ARM_SRC_IMX6_IMX_BOOT_H
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/****************************************************************************
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* Included Files
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||||
****************************************************************************/
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||||
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#include <nuttx/config.h>
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#include <nuttx/compiler.h>
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#include <sys/types.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include "up_internal.h"
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#include "chip.h"
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/****************************************************************************
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||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Types
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
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||||
* Inline Functions
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ASSEMBLY__
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||||
|
||||
/****************************************************************************
|
||||
* Public Data
|
||||
****************************************************************************/
|
||||
|
||||
#undef EXTERN
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||||
#if defined(__cplusplus)
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||||
#define EXTERN extern "C"
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||||
extern "C"
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||||
{
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||||
#else
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||||
#define EXTERN extern
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||||
#endif
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||||
|
||||
/****************************************************************************
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||||
* Public Function Prototypes
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||||
****************************************************************************/
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||||
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/****************************************************************************
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* Name: imx_board_initialize
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*
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* Description:
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* All i.MX6 architectures must provide the following entry point. This
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* entry point is called early in the initialization -- after all memory
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* has been configured and mapped but before any devices have been
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* initialized.
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void imx_board_initialize(void);
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __ARCH_ARM_SRC_IMX6_IMX_BOOT_H */
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@@ -0,0 +1,90 @@
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/****************************************************************************
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* arch/arm/src/imx6/imx_clockconfig.h
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*
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* Copyright (C) 2016 Gregory Nutt. All rights reserved.
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||||
* 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.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ARCH_ARM_SRC_IMX6_IMX_CLOCKCONFIG_H
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#define __ARCH_ARM_SRC_IMX6_IMX_CLOCKCONFIG_H
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/****************************************************************************
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||||
* Included Files
|
||||
****************************************************************************/
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||||
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||||
#include <nuttx/config.h>
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#include "up_internal.h"
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||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Types
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Inline Functions
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
|
||||
/****************************************************************************
|
||||
* Public Data
|
||||
****************************************************************************/
|
||||
|
||||
#undef EXTERN
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||||
#if defined(__cplusplus)
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||||
#define EXTERN extern "C"
|
||||
extern "C"
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||||
{
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||||
#else
|
||||
#define EXTERN extern
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||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Public Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
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||||
* Name: imx_clockconfig
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*
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* Description:
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* Called to initialize the i.MX6. This does whatever setup is needed to
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* put the SoC in a usable state. This includes the initialization of
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* clocking using the settings in board.h.
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*
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****************************************************************************/
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void imx_clockconfig(void);
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#endif /* __ASSEMBLY__ */
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#endif /* __ARCH_ARM_SRC_IMX6_IMX_CLOCKCONFIG_H */
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@@ -0,0 +1,106 @@
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/****************************************************************************
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||||
* arch/arm/src/imx6/imx_config.h
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||||
*
|
||||
* Copyright (C) 2016 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.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ARCH_ARM_SRC_IMX6_IMX_CONFIG_H
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#define __ARCH_ARM_SRC_IMX6_IMX_CONFIG_H 1
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/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
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/* Configuration **********************************************************/
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/* Is there a UART enabled? */
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#if defined(CONFIG_IMX6_UART0) || defined(CONFIG_IMX6_UART1) || \
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defined(CONFIG_IMX6_UART2) || defined(CONFIG_IMX6_UART3) || \
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defined(CONFIG_IMX6_UART4)
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# define IMX6_HAVE_UART
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#endif
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||||
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#undef SUPPRESS_CONSOLE_CONFIG
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#ifdef CONFIG_SUPPRESS_UART_CONFIG
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# define SUPPRESS_CONSOLE_CONFIG 1
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#endif
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||||
|
||||
/* Is there a serial console? It could be on UART0-4 or USART0-3 */
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|
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#if defined(CONFIG_UART0_SERIAL_CONSOLE) && defined(CONFIG_IMX6_UART0)
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# undef CONFIG_UART1_SERIAL_CONSOLE
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# undef CONFIG_UART2_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART3_SERIAL_CONSOLE
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# undef CONFIG_UART4_SERIAL_CONSOLE
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||||
# define IMX6_HAVE_UART_CONSOLE 1
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||||
#elif defined(CONFIG_UART1_SERIAL_CONSOLE) && defined(CONFIG_IMX6_UART1)
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||||
# undef CONFIG_UART0_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART2_SERIAL_CONSOLE
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||||
# undef CONFIG_UART3_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART4_SERIAL_CONSOLE
|
||||
# define IMX6_HAVE_UART_CONSOLE 1
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#elif defined(CONFIG_UART2_SERIAL_CONSOLE) && defined(CONFIG_IMX6_UART2)
|
||||
# undef CONFIG_UART0_SERIAL_CONSOLE
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||||
# undef CONFIG_UART1_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART3_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART4_SERIAL_CONSOLE
|
||||
# define IMX6_HAVE_UART_CONSOLE 1
|
||||
#elif defined(CONFIG_UART3_SERIAL_CONSOLE) && defined(CONFIG_IMX6_UART3)
|
||||
# undef CONFIG_UART0_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART1_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART2_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART4_SERIAL_CONSOLE
|
||||
# define IMX6_HAVE_UART_CONSOLE 1
|
||||
#elif defined(CONFIG_UART4_SERIAL_CONSOLE) && defined(CONFIG_IMX6_UART4)
|
||||
# undef CONFIG_UART0_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART1_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART2_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART3_SERIAL_CONSOLE
|
||||
# define IMX6_HAVE_UART_CONSOLE 1
|
||||
#else
|
||||
# warning "No valid CONFIG_UARTn/USARTn_SERIAL_CONSOLE Setting"
|
||||
# undef CONFIG_UART0_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART1_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART2_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART3_SERIAL_CONSOLE
|
||||
# undef CONFIG_UART4_SERIAL_CONSOLE
|
||||
# undef IMX6_HAVE_UART_CONSOLE
|
||||
#endif
|
||||
|
||||
#endif /* __ARCH_ARM_SRC_IMX6_IMX_CONFIG_H */
|
||||
@@ -0,0 +1,103 @@
|
||||
/****************************************************************************
|
||||
* arch/arm/src/imx/imx_lowputc.h
|
||||
*
|
||||
* Copyright (C) 2016 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.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ARCH_ARM_SRC_IMX6_IMX_LOWPUTC_H
|
||||
#define __ARCH_ARM_SRC_IMX6_IMX_LOWPUTC_H
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
#include <nuttx/compiler.h>
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
|
||||
#include "up_internal.h"
|
||||
#include "chip.h"
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Types
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Inline Functions
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
|
||||
/****************************************************************************
|
||||
* Public Data
|
||||
****************************************************************************/
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
#define EXTERN extern "C"
|
||||
extern "C"
|
||||
{
|
||||
#else
|
||||
#define EXTERN extern
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Public Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: imx_lowsetup
|
||||
*
|
||||
* Description:
|
||||
* Called at the very beginning of _start. Performs low level
|
||||
* initialization including setup of the console UART. This UART done
|
||||
* early so that the serial console is available for debugging very early
|
||||
* in the boot sequence.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void imx_lowsetup(void);
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* __ASSEMBLY__ */
|
||||
#endif /* __ARCH_ARM_SRC_IMX6_IMX_LOWPUTC_H */
|
||||
@@ -0,0 +1,126 @@
|
||||
/****************************************************************************
|
||||
* arch/arm/src/imx6/imx_serial.h
|
||||
*
|
||||
* Copyright (C) 2016 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.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ARCH_ARM_SRC_IMX6_IMX_SERIAL_H
|
||||
#define __ARCH_ARM_SRC_IMX6_IMX_SERIAL_H
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include "up_internal.h"
|
||||
#include "imx_config.h"
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Types
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Inline Functions
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
|
||||
/****************************************************************************
|
||||
* Public Data
|
||||
****************************************************************************/
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
#define EXTERN extern "C"
|
||||
extern "C"
|
||||
{
|
||||
#else
|
||||
#define EXTERN extern
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Public Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: imx_earlyserialinit
|
||||
*
|
||||
* Description:
|
||||
* Performs the low level UART initialization early in debug so that the
|
||||
* serial console will be available during bootup. This must be called
|
||||
* before up_serialinit.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef USE_EARLYSERIALINIT
|
||||
void imx_earlyserialinit(void);
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: uart_earlyserialinit
|
||||
*
|
||||
* Description:
|
||||
* Performs the low level UART initialization early in debug so that the
|
||||
* serial console will be available during bootup. This must be called
|
||||
* before up_serialinit.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#if defined(USE_EARLYSERIALINIT) && defined(IMX6_HAVE_UART)
|
||||
void uart_earlyserialinit(void);
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: uart_serialinit
|
||||
*
|
||||
* Description:
|
||||
* Register the UART serial console and serial ports. This assumes that
|
||||
* uart_earlyserialinit was called previously.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef IMX6_HAVE_UART
|
||||
void uart_serialinit(void);
|
||||
#endif
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* __ASSEMBLY__ */
|
||||
#endif /* __ARCH_ARM_SRC_IMX6_IMX_SERIAL_H */
|
||||
Reference in New Issue
Block a user