arch/arm/src/nrf52: Add nRF52 Flash PROGMEM support

This commit is contained in:
Alan Carvalho de Assis 2018-05-04 18:19:36 -06:00 committed by Gregory Nutt
parent 7534a3d554
commit e4e4e63164
8 changed files with 1354 additions and 1 deletions

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@ -70,6 +70,19 @@ config NRF52_WDT
endmenu # NRF52 Peripheral Selection
config NRF52_FLASH_PREFETCH
bool "Enable FLASH Pre-fetch"
default y
---help---
Enable FLASH prefetch
config NRF52_PROGMEM
bool "FLASH program memory"
default n
select ARCH_HAVE_PROGMEM
---help---
Enable support FLASH interfaces as defined in include/nuttx/progmem.h
menu "GPIO Interrupt Configuration"
config NRF52_GPIOIRQ

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@ -81,7 +81,7 @@ endif
CHIP_ASRCS =
CHIP_CSRCS = nrf52_start.c nrf52_clockconfig.c nrf52_irq.c nrf52_clrpend.c
CHIP_CSRCS += nrf52_allocateheap.c nrf52_lowputc.c nrf52_gpio.c
CHIP_CSRCS += nrf52_allocateheap.c nrf52_lowputc.c nrf52_gpio.c nrf52_nvmc.c
ifneq ($(CONFIG_SCHED_TICKLESS),y)
CHIP_CSRCS += nrf52_timerisr.c
@ -101,6 +101,10 @@ ifeq ($(CONFIG_NRF52_HAVE_UART),y)
CHIP_CSRCS += nrf52_serial.c
endif
ifeq ($(CONFIG_NRF52_PROGMEM),y)
CHIP_CSRCS += nrf52_flash.c
endif
ifeq ($(CONFIG_NRF52_WDT),y)
CHIP_CSRCS += nrf52_wdt.c
endif

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@ -0,0 +1,163 @@
/***************************************************************************************************
* arch/arm/src/nrf52/chip/nrf52_ficr.h
*
* Copyright (C) 2018 Gregory Nutt. All rights reserved.
* Author: Alan Carvalho de Assis <acassis@gmail.com>
*
* 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_NRF52_CHIP_NRF52_FICR_H
#define __ARCH_ARM_SRC_NRF52_CHIP_NRF52_FICR_H
/***************************************************************************************************
* Included Files
***************************************************************************************************/
#include <nuttx/config.h>
#include "chip/nrf52_memorymap.h"
/***************************************************************************************************
* Pre-processor Definitions
***************************************************************************************************/
/* FICR Register Offsets ****************************************************************************/
/* Registers for the FICR */
#define NRF52_FICR_CODEPAGESIZE_OFFSET 0x010 /* Code memory page size */
#define NRF52_FICR_CODESIZE_OFFSET 0x014 /* Code memory size */
#define NRF52_FICR_DEVICEID0_OFFSET 0x060 /* Device identifier */
#define NRF52_FICR_DEVICEID1_OFFSET 0x064 /* Device identifier */
#define NRF52_FICR_ER0_OFFSET 0x080 /* Encryption Root, word 0 */
#define NRF52_FICR_ER1_OFFSET 0x084 /* Encryption Root, word 1 */
#define NRF52_FICR_ER2_OFFSET 0x088 /* Encryption Root, word 2 */
#define NRF52_FICR_ER3_OFFSET 0x08c /* Encryption Root, word 3 */
#define NRF52_FICR_IR0_OFFSET 0x090 /* Identity Root, word 0 */
#define NRF52_FICR_IR1_OFFSET 0x094 /* Identity Root, word 1 */
#define NRF52_FICR_IR2_OFFSET 0x098 /* Identity Root, word 2 */
#define NRF52_FICR_IR3_OFFSET 0x09c /* Identity Root, word 3 */
#define NRF52_FICR_DEVICEADDRTYPE_OFFSET 0x0a0 /* Device address type */
#define NRF52_FICR_DEVICEADDR0_OFFSET 0x0a4 /* Device address 0 */
#define NRF52_FICR_DEVICEADDR1_OFFSET 0x0a8 /* Device address 1 */
#define NRF52_FICR_INFO_PART_OFFSET 0x100 /* Part code */
#define NRF52_FICR_INFO_VARIANT_OFFSET 0x104 /* Part Variant, Hardware version and Production configuration */
#define NRF52_FICR_INFO_PACKAGE_OFFSET 0x108 /* Package option */
#define NRF52_FICR_INFO_RAM_OFFSET 0x10c /* RAM variant */
#define NRF52_FICR_INFO_FLASH_OFFSET 0x110 /* Flash variant */
#define NRF52_FICR_TEMP_A0_OFFSET 0x404 /* Slope definition A0 */
#define NRF52_FICR_TEMP_A1_OFFSET 0x408 /* Slope definition A1 */
#define NRF52_FICR_TEMP_A2_OFFSET 0x40c /* Slope definition A2 */
#define NRF52_FICR_TEMP_A3_OFFSET 0x410 /* Slope definition A3 */
#define NRF52_FICR_TEMP_A4_OFFSET 0x414 /* Slope definition A4 */
#define NRF52_FICR_TEMP_A5_OFFSET 0x418 /* Slope definition A5 */
#define NRF52_FICR_TEMP_B0_OFFSET 0x41c /* y-intercept B0 */
#define NRF52_FICR_TEMP_B1_OFFSET 0x420 /* y-intercept B1 */
#define NRF52_FICR_TEMP_B2_OFFSET 0x424 /* y-intercept B2 */
#define NRF52_FICR_TEMP_B3_OFFSET 0x428 /* y-intercept B3 */
#define NRF52_FICR_TEMP_B4_OFFSET 0x42c /* y-intercept B4 */
#define NRF52_FICR_TEMP_B5_OFFSET 0x430 /* y-intercept B5 */
#define NRF52_FICR_TEMP_T0_OFFSET 0x434 /* Segment end T0 */
#define NRF52_FICR_TEMP_T1_OFFSET 0x438 /* Segment end T1 */
#define NRF52_FICR_TEMP_T2_OFFSET 0x43c /* Segment end T2 */
#define NRF52_FICR_TEMP_T3_OFFSET 0x440 /* Segment end T3 */
#define NRF52_FICR_TEMP_T4_OFFSET 0x444 /* Segment end T4 */
#define NRF52_FICR_NFC_TAGHEADER0_OFFSET 0x450 /* Default header for NFC Tag */
#define NRF52_FICR_NFC_TAGHEADER1_OFFSET 0x454 /* Default header for NFC Tag */
#define NRF52_FICR_NFC_TAGHEADER2_OFFSET 0x458 /* Default header for NFC Tag */
#define NRF52_FICR_NFC_TAGHEADER3_OFFSET 0x45c /* Default header for NFC Tag */
/* FICR Register Addresses **************************************************************************/
#define NRF52_FICR_CODEPAGESIZE (NRF52_FICR_BASE + NRF52_FICR_CODEPAGESIZE_OFFSET)
#define NRF52_FICR_CODESIZE (NRF52_FICR_BASE + NRF52_FICR_CODESIZE_OFFSET)
#define NRF52_FICR_DEVICEID0 (NRF52_FICR_BASE + NRF52_FICR_DEVICEID0_OFFSET)
#define NRF52_FICR_DEVICEID1 (NRF52_FICR_BASE + NRF52_FICR_DEVICEID1_OFFSET)
#define NRF52_FICR_ER0 (NRF52_FICR_BASE + NRF52_FICR_ER0_OFFSET)
#define NRF52_FICR_ER1 (NRF52_FICR_BASE + NRF52_FICR_ER1_OFFSET)
#define NRF52_FICR_ER2 (NRF52_FICR_BASE + NRF52_FICR_ER2_OFFSET)
#define NRF52_FICR_ER3 (NRF52_FICR_BASE + NRF52_FICR_ER3_OFFSET)
#define NRF52_FICR_IR0 (NRF52_FICR_BASE + NRF52_FICR_IR0_OFFSET)
#define NRF52_FICR_IR1 (NRF52_FICR_BASE + NRF52_FICR_IR1_OFFSET)
#define NRF52_FICR_IR2 (NRF52_FICR_BASE + NRF52_FICR_IR2_OFFSET)
#define NRF52_FICR_IR3 (NRF52_FICR_BASE + NRF52_FICR_IR3_OFFSET)
#define NRF52_FICR_DEVICEADDRTYPE (NRF52_FICR_BASE + NRF52_FICR_DEVICEADDRTYPE_OFFSET)
#define NRF52_FICR_DEVICEADDR0 (NRF52_FICR_BASE + NRF52_FICR_DEVICEADDR0_OFFSET)
#define NRF52_FICR_DEVICEADDR1 (NRF52_FICR_BASE + NRF52_FICR_DEVICEADDR1_OFFSET)
#define NRF52_FICR_INFO_PART (NRF52_FICR_BASE + NRF52_FICR_INFO_PART_OFFSET)
#define NRF52_FICR_INFO_VARIANT (NRF52_FICR_BASE + NRF52_FICR_INFO_VARIANT_OFFSET)
#define NRF52_FICR_INFO_PACKAGE (NRF52_FICR_BASE + NRF52_FICR_INFO_PACKAGE_OFFSET)
#define NRF52_FICR_INFO_RAM (NRF52_FICR_BASE + NRF52_FICR_INFO_RAM_OFFSET)
#define NRF52_FICR_INFO_FLASH (NRF52_FICR_BASE + NRF52_FICR_INFO_FLASH_OFFSET)
#define NRF52_FICR_TEMP_A0 (NRF52_FICR_BASE + NRF52_FICR_TEMP_A0_OFFSET)
#define NRF52_FICR_TEMP_A1 (NRF52_FICR_BASE + NRF52_FICR_TEMP_A1_OFFSET)
#define NRF52_FICR_TEMP_A2 (NRF52_FICR_BASE + NRF52_FICR_TEMP_A2_OFFSET)
#define NRF52_FICR_TEMP_A3 (NRF52_FICR_BASE + NRF52_FICR_TEMP_A3_OFFSET)
#define NRF52_FICR_TEMP_A4 (NRF52_FICR_BASE + NRF52_FICR_TEMP_A4_OFFSET)
#define NRF52_FICR_TEMP_A5 (NRF52_FICR_BASE + NRF52_FICR_TEMP_A5_OFFSET)
#define NRF52_FICR_TEMP_B0 (NRF52_FICR_BASE + NRF52_FICR_TEMP_B0_OFFSET)
#define NRF52_FICR_TEMP_B1 (NRF52_FICR_BASE + NRF52_FICR_TEMP_B1_OFFSET)
#define NRF52_FICR_TEMP_B2 (NRF52_FICR_BASE + NRF52_FICR_TEMP_B2_OFFSET)
#define NRF52_FICR_TEMP_B3 (NRF52_FICR_BASE + NRF52_FICR_TEMP_B3_OFFSET)
#define NRF52_FICR_TEMP_B4 (NRF52_FICR_BASE + NRF52_FICR_TEMP_B4_OFFSET)
#define NRF52_FICR_TEMP_B5 (NRF52_FICR_BASE + NRF52_FICR_TEMP_B5_OFFSET)
#define NRF52_FICR_TEMP_T0 (NRF52_FICR_BASE + NRF52_FICR_TEMP_T0_OFFSET)
#define NRF52_FICR_TEMP_T1 (NRF52_FICR_BASE + NRF52_FICR_TEMP_T1_OFFSET)
#define NRF52_FICR_TEMP_T2 (NRF52_FICR_BASE + NRF52_FICR_TEMP_T2_OFFSET)
#define NRF52_FICR_TEMP_T3 (NRF52_FICR_BASE + NRF52_FICR_TEMP_T3_OFFSET)
#define NRF52_FICR_TEMP_T4 (NRF52_FICR_BASE + NRF52_FICR_TEMP_T4_OFFSET)
#define NRF52_FICR_NFC_TAGHEADER0 (NRF52_FICR_BASE + NRF52_FICR_NFC_TAGHEADER0_OFFSET)
#define NRF52_FICR_NFC_TAGHEADER1 (NRF52_FICR_BASE + NRF52_FICR_NFC_TAGHEADER1_OFFSET)
#define NRF52_FICR_NFC_TAGHEADER2 (NRF52_FICR_BASE + NRF52_FICR_NFC_TAGHEADER2_OFFSET)
#define NRF52_FICR_NFC_TAGHEADER3 (NRF52_FICR_BASE + NRF52_FICR_NFC_TAGHEADER3_OFFSET)
/* FICR Register Bitfield Definitions **************************************************************/
#define NRF52_FICR_READY_READY (1 << 0) /* FICR is ready */
#define NRF52_FICR_CONFIG_WEN (1 << 0) /* Enable write program memory */
#define NRF52_FICR_ICACHECNF_CACHEEN (1 << 0) /* Cache enable */
#define NRF52_FICR_ICACHECNF_CACHEPROFEN (1 << 8) /* Cache profiling enable */
/* ENABLE Register */
/* INTENSET Register */
#endif /* __ARCH_ARM_SRC_NRF52_CHIP_NRF52_FICR_H */

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@ -0,0 +1,99 @@
/***************************************************************************************************
* arch/arm/src/nrf52/chip/nrf52_nvmc.h
*
* Copyright (C) 2018 Gregory Nutt. All rights reserved.
* Author: Alan Carvalho de Assis <acassis@gmail.com>
*
* 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_NRF52_CHIP_NRF52_NVMC_H
#define __ARCH_ARM_SRC_NRF52_CHIP_NRF52_NVMC_H
/***************************************************************************************************
* Included Files
***************************************************************************************************/
#include <nuttx/config.h>
#include "chip/nrf52_memorymap.h"
/***************************************************************************************************
* Pre-processor Definitions
***************************************************************************************************/
/* NVMC Register Offsets ****************************************************************************/
/* Registers for the NVMC */
#define NRF52_NVMC_READY_OFFSET 0x400 /* Ready flag */
#define NRF52_NVMC_CONFIG_OFFSET 0x504 /* Configuration register */
#define NRF52_NVMC_ERASEPAGE_OFFSET 0x508 /* Register for erasing a page in Code area */
#define NRF52_NVMC_ERASEPCR1_OFFSET 0x508 /* Equivalent to ERASEPAGE */
#define NRF52_NVMC_ERASEALL_OFFSET 0x50c /* Register for erasing all non-volatile user memory */
#define NRF52_NVMC_ERASEPCR0_OFFSET 0x510 /* Register for erasing a page in Code area. Equiv. ERASEPAGE */
#define NRF52_NVMC_ERASEUICR_OFFSET 0x514 /* Register for erasing User Information Configuration Registers */
#define NRF52_NVMC_ICACHECNF_OFFSET 0x540 /* I-Code cache configuration register */
#define NRF52_NVMC_IHIT_OFFSET 0x548 /* I-Code cache hit counter. */
#define NRF52_NVMC_IMISS_OFFSET 0x54c /* I-Code cache miss counter */
/* NVMC Register Addresses **************************************************************************/
#define NRF52_NVMC_READY (NRF52_NVMC_BASE + NRF52_NVMC_READY_OFFSET)
#define NRF52_NVMC_CONFIG (NRF52_NVMC_BASE + NRF52_NVMC_CONFIG_OFFSET)
#define NRF52_NVMC_ERASEPAGE (NRF52_NVMC_BASE + NRF52_NVMC_ERASEPAGE_OFFSET)
#define NRF52_NVMC_ERASEPCR1 (NRF52_NVMC_BASE + NRF52_NVMC_ERASEPCR1_OFFSET)
#define NRF52_NVMC_ERASEALL (NRF52_NVMC_BASE + NRF52_NVMC_ERASEALL_OFFSET)
#define NRF52_NVMC_ERASEPCR0 (NRF52_NVMC_BASE + NRF52_NVMC_ERASEPCR0_OFFSET)
#define NRF52_NVMC_ERASEUICR (NRF52_NVMC_BASE + NRF52_NVMC_ERASEUICR_OFFSET)
#define NRF52_NVMC_ICACHECNF (NRF52_NVMC_BASE + NRF52_NVMC_ICACHECNF_OFFSET)
#define NRF52_NVMC_IHIT (NRF52_NVMC_BASE + NRF52_NVMC_IHIT_OFFSET)
#define NRF52_NVMC_IMISS (NRF52_NVMC_BASE + NRF52_NVMC_IMISS_OFFSET)
/* NVMC Register Bitfield Definitions **************************************************************/
/* READY Register */
#define NVMC_READY_READY (1 << 0) /* NVMC is ready */
/* CONFIG Register */
#define NVMC_CONFIG_SHIFT (0)
#define NVMC_CONFIG_MASK (3 << NVMC_CONFIG_SHIFT)
#define NVMC_CONFIG_REN (0 << NVMC_CONFIG_SHIFT) /* Read-only access */
#define NVMC_CONFIG_WEN (1 << NVMC_CONFIG_SHIFT) /* Write Enabled */
#define NVMC_CONFIG_EEN (2 << NVMC_CONFIG_SHIFT) /* Erase Enabled */
/* ICACHECNF Register */
#define NVMC_ICACHECNF_CACHEEN (1 << 0) /* Cache enable */
#define NVMC_ICACHECNF_CACHEPROFEN (1 << 8) /* Cache profiling enable */
/* INTENSET Register */
#endif /* __ARCH_ARM_SRC_NRF52_CHIP_NRF52_NVMC_H */

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@ -0,0 +1,213 @@
/****************************************************************************
* arch/arm/src/nrf52/nrf52_flash.c
* Standard Flash access functions needed by the flash mtd driver.
*
* Copyright (C) 2018 Zglue Inc. All rights reserved.
* Author: Levin Li <zhiqiang@zglue.com>
* Author: Alan Carvalho de Assis <acassis@gmail.com>
*
* Ported from the Nordic SDK, this is the original license:
*
* Copyright (c) 2012 - 2018, Nordic Semiconductor ASA
* All rights reserved.
*
* 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 the copyright holder 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 HOLDER 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 <nuttx/arch.h>
#include <errno.h>
#include <nuttx/config.h>
#include <nuttx/progmem.h>
#include "chip.h"
#include "up_arch.h"
#include "chip/nrf52_ficr.h"
#include "chip/nrf52_nvmc.h"
#include "nrf52_nvmc.h"
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
#define NRF52_FLASH_PAGE_SIZE (4*1024)
/************************************************************************************
* Public Functions
************************************************************************************/
size_t up_progmem_pagesize(size_t page)
{
size_t npage = up_progmem_npages();
if (page >= npage)
{
_err("Error For Wrong Page Index[%d], Total Page %d.\n", page, npage);
return 0;
}
else
{
return NRF52_FLASH_PAGE_SIZE;
}
}
ssize_t up_progmem_getpage(size_t addr)
{
size_t page_end = 0;
if (addr >= nrf_nvmc_get_flash_size())
{
_err("Address is out of Total Size.\n");
return -EFAULT;
}
page_end = addr / NRF52_FLASH_PAGE_SIZE;
return page_end;
}
size_t up_progmem_getaddress(size_t page)
{
if (page >= up_progmem_npages())
{
return SIZE_MAX;
}
return page * NRF52_FLASH_PAGE_SIZE;
}
size_t up_progmem_npages(void)
{
return nrf_nvmc_get_flash_size() / NRF52_FLASH_PAGE_SIZE;
}
bool up_progmem_isuniform(void)
{
return true;
}
ssize_t up_progmem_erasepage(size_t page)
{
size_t page_address;
if (page >= up_progmem_npages())
{
_err("Wrong Page number %d.\n", page);
return -EFAULT;
}
page_address = up_progmem_getaddress(page);
/* Get flash ready and begin erasing single page */
nrf_nvmc_page_erase(page_address);
/* Verify */
if (up_progmem_ispageerased(page) == 0)
{
return up_progmem_pagesize(page);
}
else
{
return -EIO;
}
}
ssize_t up_progmem_ispageerased(size_t page)
{
size_t addr;
size_t count;
size_t bwritten = 0;
if (page >= up_progmem_npages())
{
return -EFAULT;
}
/* Verify */
for (addr = up_progmem_getaddress(page), count = up_progmem_pagesize(page);
count; count--, addr++)
{
if (getreg8(addr) != 0xff)
{
bwritten++;
}
}
return bwritten;
}
ssize_t up_progmem_write(size_t addr, const void *buf, size_t count)
{
uint32_t *pword = (uint32_t *)buf;
size_t written = count;
/* NRF52 requires word access */
if (count & 0x3)
{
return -EINVAL;
}
/* Check for valid address range */
if ((addr + count) > nrf_nvmc_get_flash_size())
{
return -EFAULT;
}
/* Get flash ready and begin flashing */
for (addr += NRF52_FLASH_BASE; count; count -= 4, pword++, addr += 4)
{
/* Write word and wait to complete */
nrf_nvmc_write_word(addr, *pword);
/* Verify */
if (getreg32(addr) != *pword)
{
_err("Write Internal Flash Error.\n");
return -EIO;
}
}
return written;
}

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@ -0,0 +1,525 @@
/****************************************************************************
* arch/arm/src/nrf52/nrf52_nvmc.c
*
* Copyright (C) 2018 Zglue Inc. All rights reserved.
* Author: Levin Li <zhiqiang@zglue.com>
* Author: Alan Carvalho de Assis <acassis@gmail.com>
*
* Ported from the Nordic SDK, this is the original license:
*
* Copyright (c) 2012 - 2018, Nordic Semiconductor ASA
* All rights reserved.
*
* 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 the copyright holder 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 HOLDER 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 <stdbool.h>
#include "cache.h"
#include "chip/nrf52_ficr.h"
#include "chip/nrf52_nvmc.h"
#include "nrf52_nvmc.h"
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: wait_for_flash_ready
*
* Description:
* Busy-wait until the flash operation is done.
*
* Input Parameter:
* None
*
* Returned Values:
* None
*
****************************************************************************/
static inline void wait_for_flash_ready(void)
{
while (!(getreg32(NRF52_NVMC_READY) & NVMC_READY_READY))
{
}
}
/****************************************************************************
* Name: nrf_mem_barrier
*
* Description:
* Force memory sync before continuing.
*
* Input Parameter:
* None
*
* Returned Values:
* None
*
****************************************************************************/
static inline void nrf_mem_barrier(void)
{
ARM_ISB();
ARM_DSB();
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nrf_nvmc_enable_icache
*
* Description:
* Enable I-Cache for Flash
*
* Input Parameter:
* flag - Flag to enable or disable.
*
* Returned Values:
* None
*
****************************************************************************/
void nrf_nvmc_enable_icache(bool flag)
{
uint32_t value;
/* Read the current icache configuration */
value = getreg32(NRF52_NVMC_ICACHECNF);
if (flag)
{
value |= NVMC_ICACHECNF_CACHEEN;
}
else
{
value &= ~NVMC_ICACHECNF_CACHEEN;
}
/* Setup the new icache configuration */
putreg32(value, NRF52_NVMC_ICACHECNF);
}
/****************************************************************************
* Name: nrf_nvmc_enable_profile
*
* Description:
* Enable profiling I-Cache for flash
*
* Input Parameter:
* flag - Flag to enable or disable.
*
* Returned Values:
* None
*
****************************************************************************/
void nrf_nvmc_enable_profile(bool flag)
{
uint32_t value;
/* Read the current icache configuration */
value = getreg32(NRF52_NVMC_ICACHECNF);
if (flag)
{
value |= NVMC_ICACHECNF_CACHEPROFEN;
}
else
{
value &= ~NVMC_ICACHECNF_CACHEPROFEN;
}
/* Setup the new icache configuration */
putreg32(value, NRF52_NVMC_ICACHECNF);
}
/****************************************************************************
* Name: nrf_nvmc_get_profiling_ihit
*
* Description:
* Get I-Hit for profiling
*
* Input Parameter:
* None
*
* Returned Values:
* Number of cache hits.
*
****************************************************************************/
uint32_t nrf_nvmc_get_profiling_ihit(void)
{
return getreg32(NRF52_NVMC_IHIT);
}
/****************************************************************************
* Name: nrf_nvmc_get_profiling_imiss
*
* Description:
* Get I-Miss for profiling
*
* Input Parameter:
* None
*
* Returned Values:
* Number of cache misses.
*
****************************************************************************/
uint32_t nrf_nvmc_get_profiling_imiss(void)
{
return getreg32(NRF52_NVMC_IMISS);
}
/****************************************************************************
* Name: nrf_nvmc_get_flash_size
*
* Description:
* Get internal FLASH size
*
* Input Parameter:
* None
*
* Returned Values:
* Flash size.
*
****************************************************************************/
uint32_t nrf_nvmc_get_flash_size(void)
{
return getreg32(NRF52_FICR_INFO_FLASH) * 1024;
}
/****************************************************************************
* Name: nrf_nvmc_get_ram_size
*
* Description:
* Get internal RAM size.
*
* Input Parameter:
* None
*
* Returned Values:
* RAM size.
*
****************************************************************************/
uint32_t nrf_nvmc_get_ram_size(void)
{
return getreg32(NRF52_FICR_INFO_RAM) * 1024;
}
/****************************************************************************
* Name: nrf_nvmc_read_dev_id0
*
* Description:
* Get device identifier 0
*
* Input Parameter:
* None
*
* Returned Values:
* Value of ID0
*
****************************************************************************/
uint32_t nrf_nvmc_read_dev_id0(void)
{
return getreg32(NRF52_FICR_DEVICEID0);
}
/****************************************************************************
* Name: nrf_nvmc_read_dev_id1
*
* Description:
* Get device identifier 1
*
* Input Parameter:
* None
*
* Returned Values:
* Value of ID1
*
****************************************************************************/
uint32_t nrf_nvmc_read_dev_id1(void)
{
return getreg32(NRF52_FICR_DEVICEID1);
}
/****************************************************************************
* Name: system_image_start_address
*
* Description:
* Get system image code begin address.
*
* Input Parameter:
* None
*
* Returned Values:
* Address where code starts.
*
****************************************************************************/
uint32_t system_image_start_address(void)
{
extern uint32_t _stext;
return (uint32_t)&_stext;
}
/****************************************************************************
* Name: system_image_ro_section_end
*
* Description:
* Get system image end address of read only section.
*
* Input Parameter:
* None
*
* Returned Values:
* The end address of the RO section.
*
****************************************************************************/
uint32_t system_image_ro_section_end(void)
{
extern uint32_t _eronly;
return (uint32_t)&_eronly;
}
/****************************************************************************
* Name: system_image_data_section_size
*
* Description:
* Get system image data section size
*
* Input Parameter:
* None
*
* Returned Values:
* The size of the data section.
*
****************************************************************************/
uint32_t system_image_data_section_size(void)
{
extern uint32_t _edata;
extern uint32_t _sdata;
uint32_t data_size;
uint32_t start;
uint32_t end;
start = (uint32_t)&_sdata;
end = (uint32_t)&_edata;
data_size = end - start;
return data_size;
}
/****************************************************************************
* Name: nrf_nvmc_page_erase
*
* Description:
* Erase a page in flash. This is required before writing to any
* address in the page.
*
* Input Parameter:
* address - Start address of the page.
*
* Returned Values:
* None
*
****************************************************************************/
void nrf_nvmc_page_erase(uint32_t address)
{
/* Enable erase */
putreg32(NVMC_CONFIG_EEN, NRF52_NVMC_CONFIG);
nrf_mem_barrier();
/* Erase the page */
putreg32(address, NRF52_NVMC_ERASEPAGE);
wait_for_flash_ready();
/* Return to read-only mode */
putreg32(NVMC_CONFIG_REN, NRF52_NVMC_CONFIG);
nrf_mem_barrier();
}
/****************************************************************************
* Name: nrf_nvmc_write_byte
*
* Description:
* The function reads the word containing the byte, and then
* rewrites the entire word.
*
* Input Parameter:
* address - Address to write to.
* value - Value to write.
*
* Returned Values:
* None
*
****************************************************************************/
void nrf_nvmc_write_byte(uint32_t address, uint8_t value)
{
uint32_t byte_shift = address & (uint32_t)0x03;
uint32_t address32 = address & ~byte_shift; /* Address to the word this byte is in.*/
uint32_t value32 = (*(uint32_t *)address32 &
~((uint32_t)0xFF << (byte_shift << (uint32_t)3)));
value32 = value32 + ((uint32_t)value << (byte_shift << 3));
/* Enable write */
putreg32(NVMC_CONFIG_WEN, NRF52_NVMC_CONFIG);
nrf_mem_barrier();
/* Write the byte, needs to be a single 32-bit write operation */
*(uint32_t *)address32 = value32;
wait_for_flash_ready();
/* Return to read-only mode */
putreg32(NVMC_CONFIG_REN, NRF52_NVMC_CONFIG);
nrf_mem_barrier();
}
/****************************************************************************
* Name: nrf_nvmc_write_word
*
* Description:
* Write a 32-bit word to flash.
*
* Input Parameter:
* address - Address to write to.
* value - Value to write.
*
* Returned Values:
* None
*
****************************************************************************/
void nrf_nvmc_write_word(uint32_t address, uint32_t value)
{
/* Enable write */
putreg32(NVMC_CONFIG_WEN, NRF52_NVMC_CONFIG);
nrf_mem_barrier();
/* Write the word */
*(uint32_t *)address = value;
wait_for_flash_ready();
/* Return to read-only mode */
putreg32(NVMC_CONFIG_REN, NRF52_NVMC_CONFIG);
nrf_mem_barrier();
}
/****************************************************************************
* Name: nrf_nvmc_write_bytes
*
* Description:
* Write consecutive bytes to flash.
*
* Input Parameter:
* address - Address to write to.
* src - Pointer to data to copy from.
* num_bytes - Number of bytes in src to write.
*
* Returned Values:
* None
*
****************************************************************************/
void nrf_nvmc_write_bytes(uint32_t address, const uint8_t *src,
uint32_t num_bytes)
{
uint32_t i;
for (i = 0; i < num_bytes; i++)
{
nrf_nvmc_write_byte(address + i, src[i]);
}
}
/****************************************************************************
* Name: nrf_nvmc_write_words
*
* Description:
* Write consecutive words to flash.
*
* Input Parameter:
* address - Address to write to.
* src - Pointer to data to copy from.
* num_words - Number of words in src to write.
*
* Returned Values:
* None
*
****************************************************************************/
void nrf_nvmc_write_words(uint32_t address, const uint32_t *src,
uint32_t num_words)
{
uint32_t i;
/* Enable write */
putreg32(NVMC_CONFIG_WEN, NRF52_NVMC_CONFIG);
nrf_mem_barrier();
for (i = 0; i < num_words; i++)
{
((uint32_t *)address)[i] = src[i];
wait_for_flash_ready();
}
/* Return to read-only mode */
putreg32(NVMC_CONFIG_REN, NRF52_NVMC_CONFIG);
nrf_mem_barrier();
}

View File

@ -0,0 +1,329 @@
/****************************************************************************
* arch/arm/src/nrf52/nrf52_nvmc.h
*
* Copyright (C) 2018 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Ported from the Nordic SDK, this is the original license:
*
* Copyright (c) 2012 - 2018, Nordic Semiconductor ASA
* All rights reserved.
*
* 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 the copyright holder 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 HOLDER 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_NRF52_NRF52_NVMC_H
#define __ARCH_ARM_SRC_NRF52_NRF52_NVMC_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdint.h>
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifdef __cplusplus
extern "C"
{
#endif
/****************************************************************************
* Name: nrf_nvmc_page_erase
*
* Description:
* Erase a page in flash. This is required before writing to any
* address in the page.
*
* Input Parameter:
* address - Start address of the page.
*
* Returned Values:
* None
*
****************************************************************************/
void nrf_nvmc_page_erase(uint32_t address);
/****************************************************************************
* Name: nrf_nvmc_write_byte
*
* Description:
* The function reads the word containing the byte, and then
* rewrites the entire word.
*
* Input Parameter:
* address - Address to write to.
* value - Value to write.
*
* Returned Values:
* None
*
****************************************************************************/
void nrf_nvmc_write_byte(uint32_t address, uint8_t value);
/****************************************************************************
* Name: nrf_nvmc_write_word
*
* Description:
* Write a 32-bit word to flash.
*
* Input Parameter:
* address - Address to write to.
* value - Value to write.
*
* Returned Values:
* None
*
****************************************************************************/
void nrf_nvmc_write_word(uint32_t address, uint32_t value);
/****************************************************************************
* Name: nrf_nvmc_write_bytes
*
* Description:
* Write consecutive bytes to flash.
*
* Input Parameter:
* address - Address to write to.
* src - Pointer to data to copy from.
* num_bytes - Number of bytes in src to write.
*
* Returned Values:
* None
*
****************************************************************************/
void nrf_nvmc_write_bytes(uint32_t address, const uint8_t *src,
uint32_t num_bytes);
/****************************************************************************
* Name: nrf_nvmc_write_words
*
* Description:
* Write consecutive words to flash.
*
* Input Parameter:
* address - Address to write to.
* src - Pointer to data to copy from.
* num_words - Number of words in src to write.
*
* Returned Values:
* None
*
****************************************************************************/
void nrf_nvmc_write_words(uint32_t address, const uint32_t *src,
uint32_t num_words);
/****************************************************************************
* Name: nrf_nvmc_enable_icache
*
* Description:
* Enable I-Cache for Flash
*
* Input Parameter:
* flag - Flag to enable or disable.
*
* Returned Values:
* None
*
****************************************************************************/
void nrf_nvmc_enable_icache(bool flag);
/****************************************************************************
* Name: nrf_nvmc_enable_profile
*
* Description:
* Enable profiling I-Cache for flash
*
* Input Parameter:
* flag - Flag to enable or disable.
*
* Returned Values:
* None
*
****************************************************************************/
void nrf_nvmc_enable_profile(bool flag);
/****************************************************************************
* Name: nrf_nvmc_get_profiling_ihit
*
* Description:
* Get I-Hit for profiling
*
* Input Parameter:
* None
*
* Returned Values:
* Number of cache hits.
*
****************************************************************************/
uint32_t nrf_nvmc_get_profiling_ihit(void);
/****************************************************************************
* Name: nrf_nvmc_get_profiling_imiss
*
* Description:
* Get I-Miss for profiling
*
* Input Parameter:
* None
*
* Returned Values:
* Number of cache misses.
*
****************************************************************************/
uint32_t nrf_nvmc_get_profiling_imiss(void);
/****************************************************************************
* Name: nrf_nvmc_get_flash_size
*
* Description:
* Get internal FLASH size
*
* Input Parameter:
* None
*
* Returned Values:
* Flash size.
*
****************************************************************************/
uint32_t nrf_nvmc_get_flash_size(void);
/****************************************************************************
* Name: nrf_nvmc_get_ram_size
*
* Description:
* Get internal RAM size.
*
* Input Parameter:
* None
*
* Returned Values:
* RAM size.
*
****************************************************************************/
uint32_t nrf_nvmc_get_ram_size(void);
/****************************************************************************
* Name: system_image_start_address
*
* Description:
* Get system image code begin address.
*
* Input Parameter:
* None
*
* Returned Values:
* Address where code starts.
*
****************************************************************************/
uint32_t system_image_start_address(void);
/****************************************************************************
* Name: system_image_ro_section_end
*
* Description:
* Get system image end address of read only section.
*
* Input Parameter:
* None
*
* Returned Values:
* The end address of the RO section.
*
****************************************************************************/
uint32_t system_image_ro_section_end(void);
/****************************************************************************
* Name: system_image_data_section_size
*
* Description:
* Get system image data section size
*
* Input Parameter:
* None
*
* Returned Values:
* The size of the data section.
*
****************************************************************************/
uint32_t system_image_data_section_size(void);
/****************************************************************************
* Name: nrf_nvmc_read_dev_id0
*
* Description:
* Get device identifier 0
*
* Input Parameter:
* None
*
* Returned Values:
* Value of ID0
*
****************************************************************************/
uint32_t nrf_nvmc_read_dev_id0(void);
/****************************************************************************
* Name: nrf_nvmc_read_dev_id1
*
* Description:
* Get device identifier 1
*
* Input Parameter:
* None
*
* Returned Values:
* Value of ID1
*
****************************************************************************/
uint32_t nrf_nvmc_read_dev_id1(void);
#ifdef __cplusplus
}
#endif
#endif /* __ARCH_ARM_SRC_NRF52_NRF52_NVMC_H */

View File

@ -54,6 +54,7 @@
#include "nrf52_start.h"
#include "nrf52_gpio.h"
#include "nrf52_serial.h"
#include "nrf52_nvmc.h"
/****************************************************************************
* Pre-processor Definitions
@ -220,6 +221,12 @@ void __start(void)
/* Initialize the FPU (if configured) */
nrf52_fpuconfig();
#ifdef CONFIG_NRF52_FLASH_PREFETCH
nrf_nvmc_enable_icache(true);
nrf_nvmc_enable_profile(true);
#endif
showprogress('D');
/* Perform early serial initialization */