332 lines
8.2 KiB
C
332 lines
8.2 KiB
C
/**************************************************************************//**
|
|
*
|
|
* @copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2021-02-17 FYChou First version
|
|
*
|
|
******************************************************************************/
|
|
|
|
#include <rtconfig.h>
|
|
|
|
#if defined(BSP_USING_FMC)
|
|
#include <rtdevice.h>
|
|
#include "NuMicro.h"
|
|
|
|
#if defined(PKG_USING_FAL)
|
|
#include <fal.h>
|
|
#endif
|
|
|
|
/* Private define ---------------------------------------------------------------*/
|
|
#define FMC_APROM_END (FMC_APROM_BASE + 0x80000)
|
|
#define FMC_LDROM_END (FMC_LDROM_BASE + 0x2000)
|
|
|
|
#define NU_GETBYTE_OFST(addr) (((addr)&0x3)*8)
|
|
#define NU_GET_WALIGN(addr) ((addr)&~0x3)
|
|
#define NU_GET_LSB2BIT(addr) ((addr)&0x3)
|
|
/* Private typedef --------------------------------------------------------------*/
|
|
|
|
/* Private functions ------------------------------------------------------------*/
|
|
static int nu_fmc_init(void);
|
|
#if defined(PKG_USING_FAL)
|
|
static int aprom_read(long offset, uint8_t *buf, size_t size);
|
|
static int aprom_write(long offset, const uint8_t *buf, size_t size);
|
|
static int aprom_erase(long offset, size_t size);
|
|
|
|
static int ldrom_read(long offset, uint8_t *buf, size_t size);
|
|
static int ldrom_write(long offset, const uint8_t *buf, size_t size);
|
|
static int ldrom_erase(long offset, size_t size);
|
|
#endif /* PKG_USING_FAL */
|
|
|
|
/* Public functions -------------------------------------------------------------*/
|
|
int nu_fmc_read(long offset, uint8_t *buf, size_t size);
|
|
int nu_fmc_write(long offset, const uint8_t *buf, size_t size);
|
|
int nu_fmc_erase(long offset, size_t size);
|
|
|
|
/* Private variables ------------------------------------------------------------*/
|
|
static rt_mutex_t g_mutex_fmc = RT_NULL;
|
|
|
|
/* Public variables -------------------------------------------------------------*/
|
|
#if defined(PKG_USING_FAL)
|
|
const struct fal_flash_dev Onchip_aprom_flash = { "OnChip_APROM", FMC_APROM_BASE, FMC_APROM_END, FMC_FLASH_PAGE_SIZE, {NULL, aprom_read, aprom_write, aprom_erase} };
|
|
const struct fal_flash_dev Onchip_ldrom_flash = { "OnChip_LDROM", FMC_LDROM_BASE, FMC_LDROM_END, FMC_FLASH_PAGE_SIZE, {NULL, ldrom_read, ldrom_write, ldrom_erase} };
|
|
#endif /* PKG_USING_FAL */
|
|
|
|
int nu_fmc_read(long addr, uint8_t *buf, size_t size)
|
|
{
|
|
size_t read_size = 0;
|
|
uint32_t addr_end = addr + size;
|
|
uint32_t isp_rdata = 0;
|
|
rt_mutex_take(g_mutex_fmc, RT_WAITING_FOREVER);
|
|
SYS_UnlockReg();
|
|
|
|
if (NU_GET_LSB2BIT(addr))
|
|
isp_rdata = FMC_Read(NU_GET_WALIGN(addr));
|
|
|
|
|
|
for (; addr < addr_end ;)
|
|
{
|
|
if (NU_GET_LSB2BIT(addr) == 0)
|
|
{
|
|
isp_rdata = FMC_Read(addr);
|
|
if (addr_end - addr >= 4)
|
|
{
|
|
*(uint32_t *)buf = isp_rdata;
|
|
addr += 4;
|
|
buf += 4;
|
|
read_size += 4;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
*buf = isp_rdata >> NU_GETBYTE_OFST(addr);
|
|
addr++;
|
|
buf++;
|
|
read_size++;
|
|
|
|
}
|
|
|
|
SYS_LockReg();
|
|
rt_mutex_release(g_mutex_fmc);
|
|
|
|
return read_size;
|
|
}
|
|
|
|
int nu_fmc_write(long addr, const uint8_t *buf, size_t size)
|
|
{
|
|
size_t write_size = 0;
|
|
uint32_t addr_end = addr + size;
|
|
uint32_t isp_rdata = 0;
|
|
|
|
rt_mutex_take(g_mutex_fmc, RT_WAITING_FOREVER);
|
|
SYS_UnlockReg();
|
|
|
|
if (addr < FMC_APROM_END)
|
|
FMC_ENABLE_AP_UPDATE();
|
|
else if ((addr < FMC_LDROM_END) && addr >= FMC_LDROM_BASE)
|
|
FMC_ENABLE_LD_UPDATE();
|
|
else
|
|
{
|
|
goto Exit2;
|
|
}
|
|
|
|
if (NU_GET_LSB2BIT(addr))
|
|
isp_rdata = FMC_Read(NU_GET_WALIGN(addr));
|
|
|
|
for (; addr < addr_end ;)
|
|
{
|
|
|
|
if (addr_end - addr >= 4 && NU_GET_LSB2BIT(addr) == 0)
|
|
{
|
|
FMC_Write(addr, *((uint32_t *)buf));
|
|
addr += 4;
|
|
buf += 4;
|
|
write_size += 4;
|
|
continue;
|
|
}
|
|
|
|
if ((NU_GET_LSB2BIT(addr)) == 0x0)
|
|
isp_rdata = FMC_Read(NU_GET_WALIGN(addr));
|
|
|
|
isp_rdata = (isp_rdata & ~(0xFF << NU_GETBYTE_OFST(addr))) | ((*buf) << NU_GETBYTE_OFST(addr));
|
|
|
|
if ((NU_GET_LSB2BIT(addr)) == 0x3)
|
|
FMC_Write(NU_GET_WALIGN(addr), isp_rdata);
|
|
|
|
addr++;
|
|
buf++;
|
|
write_size++;
|
|
|
|
}
|
|
|
|
if (NU_GET_LSB2BIT(addr))
|
|
FMC_Write(NU_GET_WALIGN(addr), isp_rdata);
|
|
|
|
FMC_DISABLE_AP_UPDATE();
|
|
FMC_DISABLE_LD_UPDATE();
|
|
Exit2:
|
|
SYS_LockReg();
|
|
rt_mutex_release(g_mutex_fmc);
|
|
|
|
return write_size;
|
|
|
|
}
|
|
|
|
int nu_fmc_erase(long addr, size_t size)
|
|
{
|
|
size_t erased_size = 0;
|
|
uint32_t addrptr;
|
|
uint32_t addr_end = addr + size;
|
|
|
|
#if defined(NU_SUPPORT_NONALIGN)
|
|
uint8_t *page_sdtemp = RT_NULL;
|
|
uint8_t *page_edtemp = RT_NULL;
|
|
|
|
|
|
addrptr = addr & (FMC_FLASH_PAGE_SIZE - 1);
|
|
if (addrptr)
|
|
{
|
|
page_sdtemp = rt_malloc(addrptr);
|
|
if (page_sdtemp == RT_NULL)
|
|
{
|
|
erased_size = 0;
|
|
|
|
goto Exit3;
|
|
}
|
|
|
|
if (nu_fmc_read(addr & ~(FMC_FLASH_PAGE_SIZE - 1), page_sdtemp, addrptr) != addrptr)
|
|
{
|
|
|
|
erased_size = 0;
|
|
|
|
goto Exit3;
|
|
}
|
|
|
|
}
|
|
|
|
addrptr = addr_end & (FMC_FLASH_PAGE_SIZE - 1);
|
|
if (addrptr)
|
|
{
|
|
page_edtemp = rt_malloc(FMC_FLASH_PAGE_SIZE - addrptr);
|
|
if (page_edtemp == RT_NULL)
|
|
{
|
|
erased_size = 0;
|
|
|
|
goto Exit3;
|
|
}
|
|
|
|
if (nu_fmc_read(addr_end, page_edtemp, FMC_FLASH_PAGE_SIZE - addrptr) != FMC_FLASH_PAGE_SIZE - addrptr)
|
|
{
|
|
erased_size = 0;
|
|
|
|
goto Exit3;
|
|
}
|
|
|
|
}
|
|
#endif
|
|
|
|
rt_mutex_take(g_mutex_fmc, RT_WAITING_FOREVER);
|
|
SYS_UnlockReg();
|
|
|
|
if (addr <= FMC_APROM_END)
|
|
FMC_ENABLE_AP_UPDATE();
|
|
else if ((addr < FMC_LDROM_END) && addr >= FMC_LDROM_BASE)
|
|
FMC_ENABLE_LD_UPDATE();
|
|
else
|
|
{
|
|
goto Exit2;
|
|
}
|
|
|
|
addrptr = (addr & ~(FMC_FLASH_PAGE_SIZE - 1));
|
|
while (addrptr < addr_end)
|
|
{
|
|
if (FMC_Erase(addrptr) != RT_EOK)
|
|
{
|
|
goto Exit1;
|
|
}
|
|
erased_size += FMC_FLASH_PAGE_SIZE;
|
|
addrptr += FMC_FLASH_PAGE_SIZE;
|
|
}
|
|
|
|
Exit1:
|
|
FMC_DISABLE_AP_UPDATE();
|
|
FMC_DISABLE_LD_UPDATE();
|
|
Exit2:
|
|
SYS_LockReg();
|
|
rt_mutex_release(g_mutex_fmc);
|
|
|
|
#if defined(NU_SUPPORT_NONALIGN)
|
|
|
|
if (erased_size >= size)
|
|
{
|
|
addrptr = addr & (FMC_FLASH_PAGE_SIZE - 1);
|
|
if (addrptr)
|
|
{
|
|
if (nu_fmc_write(addr & ~(FMC_FLASH_PAGE_SIZE - 1), page_sdtemp, addrptr) != addrptr)
|
|
goto Exit3;
|
|
|
|
erased_size += addrptr;
|
|
}
|
|
|
|
addrptr = addr_end & (FMC_FLASH_PAGE_SIZE - 1);
|
|
if (addrptr)
|
|
{
|
|
|
|
if (nu_fmc_write(addr_end, page_edtemp, FMC_FLASH_PAGE_SIZE - addrptr) != FMC_FLASH_PAGE_SIZE - addrptr)
|
|
goto Exit3;
|
|
|
|
erased_size += FMC_FLASH_PAGE_SIZE - addrptr;
|
|
|
|
}
|
|
}
|
|
else
|
|
erased_size = 0;
|
|
|
|
|
|
Exit3:
|
|
if (page_sdtemp != RT_NULL)
|
|
rt_free(page_sdtemp);
|
|
|
|
if (page_edtemp != RT_NULL)
|
|
rt_free(page_edtemp);
|
|
#endif
|
|
|
|
return erased_size;
|
|
}
|
|
|
|
#if defined(PKG_USING_FAL)
|
|
|
|
static int aprom_read(long offset, uint8_t *buf, size_t size)
|
|
{
|
|
return nu_fmc_read(Onchip_aprom_flash.addr + offset, buf, size);
|
|
}
|
|
|
|
static int aprom_write(long offset, const uint8_t *buf, size_t size)
|
|
{
|
|
return nu_fmc_write(Onchip_aprom_flash.addr + offset, buf, size);
|
|
}
|
|
|
|
static int aprom_erase(long offset, size_t size)
|
|
{
|
|
return nu_fmc_erase(Onchip_aprom_flash.addr + offset, size);
|
|
}
|
|
|
|
static int ldrom_read(long offset, uint8_t *buf, size_t size)
|
|
{
|
|
return nu_fmc_read(Onchip_ldrom_flash.addr + offset, buf, size);
|
|
}
|
|
|
|
static int ldrom_write(long offset, const uint8_t *buf, size_t size)
|
|
{
|
|
return nu_fmc_write(Onchip_ldrom_flash.addr + offset, buf, size);
|
|
}
|
|
|
|
static int ldrom_erase(long offset, size_t size)
|
|
{
|
|
return nu_fmc_erase(Onchip_ldrom_flash.addr + offset, size);
|
|
}
|
|
|
|
#endif /* PKG_USING_FAL */
|
|
|
|
static int nu_fmc_init(void)
|
|
{
|
|
SYS_UnlockReg();
|
|
FMC_ENABLE_ISP();
|
|
SYS_LockReg();
|
|
|
|
g_mutex_fmc = rt_mutex_create("nu_fmc_lock", RT_IPC_FLAG_PRIO);
|
|
|
|
/* PKG_USING_FAL */
|
|
#if defined(PKG_USING_FAL)
|
|
fal_init();
|
|
#endif
|
|
|
|
return (int)RT_EOK;
|
|
}
|
|
INIT_APP_EXPORT(nu_fmc_init);
|
|
|
|
#endif /* BSP_USING_FMC */
|