Fawwaz Nadzmy
mbed library sources. Supersedes mbed-src.
Fork of
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by 
mbed official
Diff: targets/TARGET_NUVOTON/TARGET_NUC472/device/StdDriver/nuc472_fmc.c
- Revision:
- 153:9398a535854b
- Parent:
- 152:9a67f0b066fc
--- a/targets/TARGET_NUVOTON/TARGET_NUC472/device/StdDriver/nuc472_fmc.c Thu Dec 15 11:48:27 2016 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,432 +0,0 @@
-/**************************************************************************//**
- * @file fmc.c
- * @version V1.10
- * $Revision: 16 $
- * $Date: 14/10/06 11:57a $
- * @brief NUC472/NUC442 FMC driver source file
- *
- * @note
- * Copyright (C) 2013 Nuvoton Technology Corp. All rights reserved.
-*****************************************************************************/
-
-//* Includes ------------------------------------------------------------------*/
-#include <stdio.h>
-#include "NUC472_442.h"
-
-
-/** @addtogroup NUC472_442_Device_Driver NUC472/NUC442 Device Driver
- @{
-*/
-
-/** @addtogroup NUC472_442_FMC_Driver FMC Driver
- @{
-*/
-
-
-/** @addtogroup NUC472_442_FMC_EXPORTED_FUNCTIONS FMC Exported Functions
- @{
-*/
-
-
-/**
- * @brief Set boot from APROM or LDROM of next software reset.
- * @param[in] i32BootSrc Next software boot selection.
- * - \ref IS_BOOT_FROM_LDROM
- * - \ref IS_BOOT_FROM_APROM
- * @return None
- */
-void FMC_SetBootSource (int32_t i32BootSrc)
-{
- if (i32BootSrc == 1)
- FMC->ISPCTL |= FMC_ISPCTL_BS_Msk;
- else
- FMC->ISPCTL &= ~FMC_ISPCTL_BS_Msk;
-}
-
-
-/**
- * @brief Disable FMC ISP function.
- * @return None
- */
-void FMC_Close(void)
-{
- FMC->ISPCTL &= ~FMC_ISPCTL_ISPEN_Msk;
-}
-
-
-/**
- * @brief Disable ISP erase/program APROM function.
- * @return None
- */
-void FMC_DisableAPUpdate(void)
-{
- FMC->ISPCTL &= ~FMC_ISPCTL_APUEN_Msk;
-}
-
-
-/**
- * @brief Disable ISP erase/program User Configuration function.
- * @return None
- */
-void FMC_DisableConfigUpdate(void)
-{
- FMC->ISPCTL &= ~FMC_ISPCTL_CFGUEN_Msk;
-}
-
-
-/**
- * @brief Disable ISP erase/program LDROM function.
- * @return None
- */
-void FMC_DisableLDUpdate(void)
-{
- FMC->ISPCTL &= ~FMC_ISPCTL_LDUEN_Msk;
-}
-
-
-/**
- * @brief Enable ISP erase/program APROM function.
- * @return None
- */
-void FMC_EnableAPUpdate(void)
-{
- FMC->ISPCTL |= FMC_ISPCTL_APUEN_Msk;
-}
-
-
-/**
- * @brief Enable ISP erase/program User Configuration function.
- * @return None
- */
-void FMC_EnableConfigUpdate(void)
-{
- FMC->ISPCTL |= FMC_ISPCTL_CFGUEN_Msk;
-}
-
-
-/**
- * @brief Enable ISP erase/program LDROM function.
- * @return None
- */
-void FMC_EnableLDUpdate(void)
-{
- FMC->ISPCTL |= FMC_ISPCTL_LDUEN_Msk;
-}
-
-
-/**
- * @brief Erase a page. The page size is 2048 bytes.
- * @param[in] u32PageAddr Flash page address. Must be a 2048-byte aligned address.
- * @return Success or not.
- * @retval 0 Success
- * @retval -1 Erase failed
- */
-int32_t FMC_Erase(uint32_t u32PageAddr)
-{
- FMC->ISPCMD = FMC_ISPCMD_PAGE_ERASE;
- FMC->ISPADDR = u32PageAddr;
- FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
-
- while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
-
- if (FMC->ISPCTL & FMC_ISPCTL_ISPFF_Msk) {
- FMC->ISPCTL |= FMC_ISPCTL_ISPFF_Msk;
- return -1;
- }
- return 0;
-}
-
-
-/**
- * @brief Get the current boot source.
- * @return The current boot source.
- * @retval 0 Is boot from APROM.
- * @retval 1 Is boot from LDROM.
- */
-int32_t FMC_GetBootSource (void)
-{
- if (FMC->ISPCTL & FMC_ISPCTL_BS_Msk)
- return 1;
- else
- return 0;
-}
-
-
-/**
- * @brief Enable FMC ISP function
- * @return None
- */
-void FMC_Open(void)
-{
- FMC->ISPCTL |= FMC_ISPCTL_ISPEN_Msk;
-}
-
-
-/**
- * @brief Execute ISP command to read a word from flash.
- * @param[in] u32Addr Address of the flash location to be read.
- * It must be a word aligned address.
- * @return The word data read from specified flash address.
- */
-uint32_t FMC_Read(uint32_t u32Addr)
-{
- FMC->ISPCMD = FMC_ISPCMD_READ;
- FMC->ISPADDR = u32Addr;
- FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
-
- while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
-
- return FMC->ISPDAT;
-}
-
-
-/**
- * @brief Execute ISP 64-bits read command to read two words from flash.
- * @param[in] u32Addr Flash word address. Must be a double word aligned address.
- * @param[out] u32Data0 The first word read from flash.
- * @param[out] u32Data1 The second word read from flash.
- * @return None
- */
-void FMC_Read_64(uint32_t u32Addr, uint32_t *u32Data0, uint32_t *u32Data1)
-{
- FMC->ISPCMD = FMC_ISPCMD_READ_64;
- FMC->ISPADDR = u32Addr;
- FMC->ISPDAT = 0x0;
- FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
-
- while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
-
- *u32Data0 = FMC->MPDAT0;
- *u32Data1 = FMC->MPDAT1;
-}
-
-
-/**
- * @brief Read company ID.
- * @return The company ID.
- */
-uint32_t FMC_ReadCID(void)
-{
- FMC->ISPCMD = FMC_ISPCMD_READ_CID;
- FMC->ISPADDR = 0x0;
- FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
- while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
- return FMC->ISPDAT;
-}
-
-
-/**
- * @brief Read device ID.
- * @return The device ID.
- */
-uint32_t FMC_ReadDID(void)
-{
- FMC->ISPCMD = FMC_ISPCMD_READ_DID;
- FMC->ISPADDR = 0;
- FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
- while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
- return FMC->ISPDAT;
-}
-
-
-/**
- * @brief Read product ID.
- * @return The product ID.
- */
-uint32_t FMC_ReadPID(void)
-{
- FMC->ISPCMD = FMC_ISPCMD_READ_DID;
- FMC->ISPADDR = 0x04;
- FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
- while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
- return FMC->ISPDAT;
-}
-
-
-/**
- * @brief This function reads one of the four UCID.
- * @param[in] u32Index Index of the UCID to read. u32Index must be 0, 1, 2, or 3.
- * @return The UCID.
- */
-uint32_t FMC_ReadUCID(uint32_t u32Index)
-{
- FMC->ISPCMD = FMC_ISPCMD_READ_UID;
- FMC->ISPADDR = (0x04 * u32Index) + 0x10;
- FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
-
- while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
-
- return FMC->ISPDAT;
-}
-
-
-/**
- * @brief This function reads one of the three UID.
- * @param[in] u32Index Index of the UID to read. u32Index must be 0, 1, or 2.
- * @return The UID.
- */
-uint32_t FMC_ReadUID(uint32_t u32Index)
-{
- FMC->ISPCMD = FMC_ISPCMD_READ_UID;
- FMC->ISPADDR = 0x04 * u32Index;
- FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
-
- while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
-
- return FMC->ISPDAT;
-}
-
-
-/**
- * @brief Get the base address of Data Flash if enabled.
- * @return Base address of Data Flash
- */
-uint32_t FMC_ReadDataFlashBaseAddr(void)
-{
- return FMC->DFBA;
-}
-
-
-/**
- * @brief This function will force re-map assigned flash page to CPU address 0x0.
- * @param[in] u32PageAddr Address of the page to be mapped to CPU address 0x0.
- * @return None
- */
-void FMC_SetVectorPageAddr(uint32_t u32PageAddr)
-{
- FMC->ISPCMD = FMC_ISPCMD_VECMAP;
- FMC->ISPADDR = u32PageAddr;
- FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
- while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
-}
-
-
-/**
- * @brief Execute ISP command to program a word to flash.
- * @param[in] u32Addr Address of the flash location to be programmed.
- * It must be a word aligned address.
- * @param[out] u32Data The word data to be programmed.
- * @return None
- */
-void FMC_Write(uint32_t u32Addr, uint32_t u32Data)
-{
- FMC->ISPCMD = FMC_ISPCMD_WRITE;
- FMC->ISPADDR = u32Addr;
- FMC->ISPDAT = u32Data;
- FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
- while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
-}
-
-
-/**
- * @brief Execute ISP 64-bits write command to program two words to flash.
- * @param[in] u32Addr Destination address. It must be double word aligned.
- * @param[in] u32Data0 First word data to be written.
- * @param[in] u32Data1 Second word data to be written.
- * @return None
- */
-void FMC_Write_64(uint32_t u32Addr, uint32_t u32Data0, uint32_t u32Data1)
-{
- FMC->ISPCMD = FMC_ISPCMD_WRITE_64;
- FMC->ISPADDR = u32Addr;
- FMC->MPDAT0 = u32Data0;
- FMC->MPDAT1 = u32Data0;
- FMC->ISPTRG = FMC_ISPTRG_ISPGO_Msk;
- while (FMC->ISPTRG & FMC_ISPTRG_ISPGO_Msk) ;
-}
-
-
-/**
- * @brief CRC8 Calculator
- * @param[in] au32Data CRC8 input data words.
- * @param[in] i32Count Number of words in au32Data[].
- * @return The CRC8 value.
- */
-uint32_t FMC_CRC8(uint32_t au32Data[], int i32Count)
-{
- int i32ByteIdx;
- uint8_t i, u8Cnt, u8InData;
- uint8_t au8CRC[4] = { 0xff, 0xff, 0xff, 0xff };
-
- for (i32ByteIdx = 0; i32ByteIdx < 4; i32ByteIdx++) {
- for (u8Cnt = 0; u8Cnt < i32Count; u8Cnt++) {
- for (i = 0x80; i != 0; i /= 2) {
- if ((au8CRC[i32ByteIdx] & 0x80)!=0) {
- au8CRC[i32ByteIdx] *= 2;
- au8CRC[i32ByteIdx] ^= 7;
- } else
- au8CRC[i32ByteIdx] *= 2;
-
- u8InData = (au32Data[u8Cnt] >> (i32ByteIdx * 8)) & 0xff;
-
- if ((u8InData & i) != 0)
- au8CRC[i32ByteIdx]^=0x7;
- }
- }
- }
- return (au8CRC[0] | au8CRC[1] << 8 | au8CRC[2] << 16 | au8CRC[3] << 24);
-}
-
-
-/**
- * @brief Read the User Configuration words.
- * @param[out] u32Config: The word array to store words read from flash.
- * @param[in] u32Count: Maximum length of u32Config.
- * @return Success or not.
- * @retval 0 Success
- * @retval -1 User Configuration CRC check error
- */
-int32_t FMC_ReadConfig(uint32_t *u32Config, uint32_t u32Count)
-{
- int i;
-
- for (i = 0; i < u32Count; i++) {
- u32Config[i] = FMC_Read(FMC_CONFIG_BASE + i*4);
- }
-
- if (FMC->ISPSTS & FMC_ISPSTS_CFGCRCF_Msk)
- return -1;
-
- return 0;
-}
-
-
-/**
- * @brief Write User Configuration
- * @param[in] u32Config The word array to store data. MUST be a four word array.
- * @param[in] u32Count MUST be 4.
- * @return Success or not.
- * @retval 0 Success
- * @retval -1 Failed
- */
-int32_t FMC_WriteConfig(uint32_t *u32Config, uint32_t u32Count)
-{
- uint32_t i, u32CRC, u32Data;
-
- FMC_Erase(FMC_CONFIG_BASE);
-
- u32CRC = FMC_CRC8(u32Config, 3);
-
- for (i = 0; i < 4; i++) {
- FMC_Write(FMC_CONFIG_BASE + i * 4, (i < 3) ? u32Config[i] : u32CRC);
- }
-
- for (i = 0; i < 4; i++) {
- u32Data = FMC_Read(FMC_CONFIG_BASE + i * 4);
-
- if (u32Data != ((i < 3) ? u32Config[i] : u32CRC))
- return -1;
- }
- return 0;
-}
-
-
-/*@}*/ /* end of group NUC472_442_FMC_EXPORTED_FUNCTIONS */
-
-/*@}*/ /* end of group NUC472_442_FMC_Driver */
-
-/*@}*/ /* end of group NUC472_442_Device_Driver */
-
-/*** (C) COPYRIGHT 2013 Nuvoton Technology Corp. ***/
-
-