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MXRT1050_EVK: Ensure certain low power function are linked to internal memory 

Low power functions related to powering off FLEXSPI and SDRAM needs
to be copied to internal memory

Signed-off-by: Mahesh Mahadevan <mahesh.mahadevan@nxp.com>
pull/7419/head
Mahesh Mahadevan 2018-08-06 10:40:36 -05:00
parent a1d8298057
commit e18e0f12f4
5 changed files with 63 additions and 37 deletions
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30
targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT1050/TARGET_EVK/mbed_overrides.c
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@ -14,9 +14,9 @@
* limitations under the License.
*/
#include "pinmap.h"
#include "fsl_clock_config.h"
#include "fsl_clock.h"
#include "lpm.h"
#define LPSPI_CLOCK_SOURCE_DIVIDER (7U)
#define LPI2C_CLOCK_SOURCE_DIVIDER (5U)
@ -124,11 +124,39 @@ void BOARD_ConfigMPU(void)
SCB_EnableICache();
}
#if defined(TOOLCHAIN_GCC_ARM)
extern uint32_t __ram_function_flash_start[];
#define __RAM_FUNCTION_FLASH_START __ram_function_flash_start
extern uint32_t __ram_function_ram_start[];
#define __RAM_FUNCTION_RAM_START __ram_function_ram_start
extern uint32_t __ram_function_size[];
#define __RAM_FUNCTION_SIZE __ram_function_size
void Board_CopyToRam()
{
unsigned char *source;
unsigned char *destiny;
unsigned int size;
source = (unsigned char *)(__RAM_FUNCTION_FLASH_START);
destiny = (unsigned char *)(__RAM_FUNCTION_RAM_START);
size = (unsigned long)(__RAM_FUNCTION_SIZE);
while (size--)
{
*destiny++ = *source++;
}
}
#endif
// called before main
void mbed_sdk_init()
{
BOARD_ConfigMPU();
BOARD_BootClockRUN();
#if defined(TOOLCHAIN_GCC_ARM)
Board_CopyToRam();
#endif
LPM_Init();
}
void spi_setup_clock()

6
targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT1050/device/TOOLCHAIN_ARM_STD/MIMXRT1052xxxxx.sct
View File

@ -77,6 +77,9 @@
#define m_text_start 0x60002400
#define m_text_size 0x03FFDC00
#define m_text2_start 0x00000000
#define m_text2_size 0x00020000
#define m_data_start 0x80000000
#define m_data_size 0x01E00000
@ -139,6 +142,9 @@ LR_IROM1 m_flash_config_start m_text_start+m_text_size-m_flash_config_start {
}
ARM_LIB_STACK m_data_start+m_data_size EMPTY -Stack_Size { ; Stack region growing down
}
RW_m_ram_text m_text2_start UNINIT m_text2_size { ; load address = execution address
* (RamFunction)
}
RW_m_ncache m_ncache_start m_ncache_size { ; ncache RW data
* (NonCacheable.init)
* (NonCacheable)

17
targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT1050/device/TOOLCHAIN_GCC_ARM/MIMXRT1052xxxxx.ld
View File

@ -72,6 +72,7 @@ MEMORY
m_ivt (RX) : ORIGIN = 0x60001000, LENGTH = 0x00001000
m_interrupts (RX) : ORIGIN = 0x60002000, LENGTH = 0x00000400
m_text (RX) : ORIGIN = 0x60002400, LENGTH = 0x03FFDC00
m_text2 (RX) : ORIGIN = 0x00000000, LENGTH = 0x00020000
m_data (RW) : ORIGIN = 0x80000000, LENGTH = 0x01E00000
m_ncache (RW) : ORIGIN = 0x81E00000, LENGTH = 0x00200000
m_data2 (RW) : ORIGIN = 0x20000000, LENGTH = 0x00020000
@ -225,7 +226,21 @@ SECTIONS
__data_end__ = .; /* define a global symbol at data end */
} > m_data
__NDATA_ROM = __DATA_ROM + (__data_end__ - __data_start__);
__ram_function_flash_start = __DATA_ROM + (__data_end__ - __data_start__); /* Symbol is used by startup for TCM data initialization */
.ram_function : AT(__ram_function_flash_start)
{
. = ALIGN(32);
__ram_function_ram_start = .;
*(RamFunction)
. = ALIGN(128);
__ram_function_ram_end = .;
} > m_text2
__ram_function_size = SIZEOF(.ram_function);
__NDATA_ROM = __ram_function_flash_start + SIZEOF(.ram_function);
.ncache.init : AT(__NDATA_ROM)
{
__noncachedata_start__ = .; /* create a global symbol at ncache data start */

6
targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT1050/device/TOOLCHAIN_IAR/MIMXRT1052xxxxx.icf
View File

@ -67,6 +67,9 @@ define symbol m_interrupts_end = 0x600023FF;
define symbol m_text_start = 0x60002400;
define symbol m_text_end = 0x63FFFFFF;
define symbol m_text2_start = 0x00000000;
define symbol m_text2_end = 0x0001FFFF;
define symbol m_interrupts_ram_start = 0x20000000;
define symbol m_interrupts_ram_end = 0x20000000 + __ram_vector_table_offset__;
@ -108,6 +111,8 @@ define memory mem with size = 4G;
define region TEXT_region = mem:[from m_interrupts_start to m_interrupts_end]
| mem:[from m_text_start to m_text_end];
define region TEXT2_region = mem:[from m_text2_start to m_text2_end];
define region DATA_region = mem:[from m_data_start to m_data_end];
define region DATA2_region = mem:[from m_data2_start to m_data2_end];
define region DATA3_region = mem:[from m_data3_start to m_data3_end-__size_cstack__];
@ -139,4 +144,5 @@ place in DATA3_region { block ZI };
place in DATA3_region { last block HEAP };
place in CSTACK_region { block CSTACK };
place in NCACHE_region { block NCACHE_VAR };
place in TEXT2_region { section .textrw};
place in m_interrupts_ram_region { section m_interrupts_ram };

41
targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT1050/drivers/fsl_common.h
View File

@ -3,7 +3,7 @@
* Copyright (c) 2015-2016, Freescale Semiconductor, Inc.
* Copyright 2016-2017 NXP
* All rights reserved.
*
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted (subject to the limitations in the disclaimer below) provided
* that the following conditions are met:
@ -149,7 +149,7 @@ enum _status_groups
kStatusGroup_LPC_MINISPI = 76, /*!< Group number for LPC_MINISPI status codes. */
kStatusGroup_NOTIFIER = 98, /*!< Group number for NOTIFIER status codes. */
kStatusGroup_DebugConsole = 99, /*!< Group number for debug console status codes. */
kStatusGroup_SEMC = 100, /*!< Group number for SEMC status codes. */
kStatusGroup_SEMC = 100, /*!< Group number for SEMC status codes. */
kStatusGroup_ApplicationRangeStart = 101, /*!< Starting number for application groups. */
};
@ -347,35 +347,6 @@ _Pragma("diag_suppress=Pm120")
/* @} */
/*! @name Time sensitive region */
/* @{ */
#if defined(FSL_SDK_DRIVER_QUICK_ACCESS_ENABLE) && FSL_SDK_DRIVER_QUICK_ACCESS_ENABLE
#if (defined(__ICCARM__))
#define AT_QUICKACCESS_SECTION_CODE(func) func @"CodeQuickAccess"
#define AT_QUICKACCESS_SECTION_DATA(func) func @"DataQuickAccess"
#elif(defined(__ARMCC_VERSION))
#define AT_QUICKACCESS_SECTION_CODE(func) __attribute__((section("CodeQuickAccess"))) func
#define AT_QUICKACCESS_SECTION_DATA(func) __attribute__((section("DataQuickAccess"))) func
#elif(defined(__GNUC__))
#define AT_QUICKACCESS_SECTION_CODE(func) __attribute__((section("CodeQuickAccess"))) func
#define AT_QUICKACCESS_SECTION_DATA(func) __attribute__((section("DataQuickAccess"))) func
#else
#error Toolchain not supported.
#endif /* defined(__ICCARM__) */
#else
#if (defined(__ICCARM__))
#define AT_QUICKACCESS_SECTION_CODE(func) func
#define AT_QUICKACCESS_SECTION_DATA(func) func
#elif(defined(__ARMCC_VERSION))
#define AT_QUICKACCESS_SECTION_CODE(func) func
#define AT_QUICKACCESS_SECTION_DATA(func) func
#elif(defined(__GNUC__))
#define AT_QUICKACCESS_SECTION_CODE(func) func
#define AT_QUICKACCESS_SECTION_DATA(func) func
#else
#error Toolchain not supported.
#endif
#endif /* __FSL_SDK_DRIVER_QUICK_ACCESS_ENABLE */
/* @} */
/*******************************************************************************
* API
@ -557,15 +528,15 @@ _Pragma("diag_suppress=Pm120")
* @param size The length required to malloc.
* @param alignbytes The alignment size.
* @retval The allocated memory.
*/
*/
void *SDK_Malloc(size_t size, size_t alignbytes);
/*!
* @brief Free memory.
*
* @param ptr The memory to be release.
*/
void SDK_Free(void *ptr);
*/
void SDK_Free(void *ptr);
#if defined(__cplusplus)
}