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635 lines
17 KiB
C
635 lines
17 KiB
C
/* mbed Microcontroller Library
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*******************************************************************************
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* Copyright (c) 2014, Realtek Semiconductor Corp.
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* All rights reserved.
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*
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* This module is a confidential and proprietary property of RealTek and
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* possession or use of this module requires written permission of RealTek.
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*******************************************************************************
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*/
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#include "objects.h"
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#include "PinNames.h"
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#include "pinmap.h"
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#include "rtl8195a.h"
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#include "hal_spi_flash.h"
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#include "hal_platform.h"
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#include "rtl8195a_spi_flash.h"
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#include "hal_api.h"
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#include "flash_api.h"
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extern u32 ConfigDebugInfo;
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extern SPIC_INIT_PARA SpicInitParaAllClk[SpicMaxMode][CPU_CLK_TYPE_NO]; // SpicMaxMode = 3, CPU_CLK_TYPE_NO = 6 !
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_LONG_CALL_
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extern VOID SpicWaitBusyDoneRtl8195A(VOID);
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bool fspic_isinit = 0;
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flash_t flashobj;
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/**
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* global data structure
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*/
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//flash_t flash;
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/**
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* @brief Control the flash chip write protect enable/disable
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* @param protect: 1/0: protect/unprotect
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* @retval none
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*/
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void flash_write_protect(flash_t *obj, uint32_t protect) {
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flash_turnon();
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if (fspic_isinit == 0)
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flash_init(&flashobj);
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SpicWriteProtectFlashRtl8195A(protect);
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SpicDisableRtl8195A();
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}
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/**
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* @brief Init Flash
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* @param obj: address of the flash object
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* @retval none
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*/
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void flash_init(flash_t *obj) {
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//SPIC_INIT_PARA spic_init_para;
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// Init SPI Flash Controller
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#if CONFIG_DEBUG_LOG > 4
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DBG_8195A("Initial Spi Flash Controller\n");
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#endif
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u8 flmode;
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SPI_FLASH_PIN_FCTRL(ON);
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#if 0
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if (SpicFlashInitRtl8195A(SpicQuadBitMode)) {
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flmode = SpicQuadBitMode;
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fspic_isinit = 1;
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}
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else
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#endif
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if (SpicFlashInitRtl8195A(SpicDualBitMode)) { // SpicFlashInitRtl8195A(SpicQuadBitMode)
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flmode = SpicDualBitMode;
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fspic_isinit = 1;
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} else if (SpicFlashInitRtl8195A(SpicOneBitMode)) {
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flmode = SpicOneBitMode;
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fspic_isinit = 1;
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} else {
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DBG_8195A("SPI Init Fail!\n"); // DBG_SPIF_ERR?
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HAL_WRITE32(SYSTEM_CTRL_BASE, REG_SYS_DSTBY_INFO3,
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HAL_READ32(SYSTEM_CTRL_BASE, REG_SYS_DSTBY_INFO3) | 0xf);
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// flmode = SpicOneBitMode;
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return;
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}
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u8 curclk = (HAL_READ32(SYSTEM_CTRL_BASE, REG_SYS_CLK_CTRL1)
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>> BIT_SHIFT_PESOC_OCP_CPU_CK_SEL) & BIT_MASK_PESOC_OCP_CPU_CK_SEL;
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flashobj.SpicInitPara = SpicInitParaAllClk[flmode][curclk];
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flashobj.SpicInitPara.Mode.CpuClk = curclk;
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flashobj.SpicInitPara.Mode.BitMode = flmode;
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#if CONFIG_DEBUG_LOG > 3
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DBG_SPIF_INFO("Flash ID: %02x%02x%02x\n", flashobj.SpicInitPara.id[0], flashobj.SpicInitPara.id[1], flashobj.SpicInitPara.id[2]);
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DBG_SPIF_INFO("Flash Mode: 0x%02x; BaudRate:%d; RdDummyCyle:%d; DelayLine:%d\n",
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flashobj.SpicInitPara.Mode.BitMode, flashobj.SpicInitPara.BaudRate, flashobj.SpicInitPara.RdDummyCyle, flashobj.SpicInitPara.DelayLine);
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DBG_SPIF_INFO("Flash Size: %d bytes\n", flash_get_size(obj));
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#endif
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}
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void flash_turnon(void) {
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SPI_FLASH_PIN_FCTRL(ON);
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SpicWaitBusyDoneRtl8195A();
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}
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/**
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* @brief Erase flash sector
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* @param address: Specifies the starting address to be erased.
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* @retval none
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*/
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void flash_erase_sector(flash_t *obj, uint32_t address) {
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flash_turnon();
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if (fspic_isinit == 0)
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flash_init(&flashobj);
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SpicSectorEraseFlashRtl8195A(SPI_FLASH_BASE + address);
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SpicDisableRtl8195A();
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}
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void flash_erase_block(flash_t *obj, uint32_t address) {
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flash_turnon();
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if (fspic_isinit == 0)
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flash_init(&flashobj);
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SpicBlockEraseFlashRtl8195A(SPI_FLASH_BASE + address);
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SpicDisableRtl8195A();
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}
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/**
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* @brief Read a word from specified address
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* @param obj: Specifies the parameter of flash object.
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* @param address: Specifies the address to be read.
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* @param data: Specified the address to save the readback data.
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* @retval status: Success:1 or Failure: Others.
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*/
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int flash_read_word(flash_t *obj, uint32_t address, uint32_t * data) {
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flash_turnon();
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if (fspic_isinit == 0)
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flash_init(&flashobj);
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// Wait flash busy done (wip=0)
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SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
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*data = HAL_READ32(SPI_FLASH_BASE, address);
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SpicDisableRtl8195A();
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return 1;
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}
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/**
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* @brief Write a word to specified address
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* @param obj: Specifies the parameter of flash object.
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* @param address: Specifies the address to be programmed.
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* @param data: Specified the data to be programmed.
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* @retval status: Success:1 or Failure: Others.
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*/
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int flash_write_word(flash_t *obj, uint32_t address, uint32_t data) {
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u8 flashtype = 0;
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flash_turnon();
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if (fspic_isinit == 0)
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flash_init(&flashobj);
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flashtype = flashobj.SpicInitPara.flashtype;
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//Write word
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HAL_WRITE32(SPI_FLASH_BASE, address, data);
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// Wait spic busy done
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SpicWaitBusyDoneRtl8195A();
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// Wait flash busy done (wip=0)
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if (flashtype == FLASH_MICRON) {
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SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
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} else
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SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
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SpicDisableRtl8195A();
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return 1;
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}
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/**
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* @brief Read a stream of data from specified address
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* @param obj: Specifies the parameter of flash object.
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* @param address: Specifies the address to be read.
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* @param len: Specifies the length of the data to read.
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* @param data: Specified the address to save the readback data.
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* @retval status: Success:1 or Failure: Others.
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*/
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int flash_stream_read(flash_t *obj, uint32_t address, uint32_t len,
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uint8_t * data) {
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u32 offset_to_align;
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u32 i;
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u32 read_word;
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uint8_t *ptr;
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uint8_t *pbuf;
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flash_turnon();
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if (fspic_isinit == 0)
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flash_init(&flashobj);
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// Wait flash busy done (wip=0)
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SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
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offset_to_align = address & 0x03;
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pbuf = data;
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if (offset_to_align != 0) {
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// the start address is not 4-bytes aligned
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read_word = HAL_READ32(SPI_FLASH_BASE, (address - offset_to_align));
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ptr = (uint8_t*) &read_word + offset_to_align;
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offset_to_align = 4 - offset_to_align;
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for (i = 0; i < offset_to_align; i++) {
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*pbuf = *(ptr + i);
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pbuf++;
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len--;
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if (len == 0) {
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break;
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}
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}
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}
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address = (((address - 1) >> 2) + 1) << 2; // address = next 4-bytes aligned
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ptr = (uint8_t*) &read_word;
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if ((u32) pbuf & 0x03) {
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while (len >= 4) {
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read_word = HAL_READ32(SPI_FLASH_BASE, address);
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for (i = 0; i < 4; i++) {
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*pbuf = *(ptr + i);
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pbuf++;
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}
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address += 4;
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len -= 4;
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}
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} else {
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while (len >= 4) {
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*((u32 *) pbuf) = HAL_READ32(SPI_FLASH_BASE, address);
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pbuf += 4;
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address += 4;
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len -= 4;
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}
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}
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if (len > 0) {
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read_word = HAL_READ32(SPI_FLASH_BASE, address);
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for (i = 0; i < len; i++) {
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*pbuf = *(ptr + i);
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pbuf++;
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}
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}
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SpicDisableRtl8195A();
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return 1;
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}
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/**
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* @brief Write a stream of data to specified address
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* @param obj: Specifies the parameter of flash object.
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* @param address: Specifies the address to be read.
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* @param len: Specifies the length of the data to write.
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* @param data: Specified the pointer of the data to be written.
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* @retval status: Success:1 or Failure: Others.
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*/
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int flash_stream_write(flash_t *obj, uint32_t address, uint32_t len,
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uint8_t * data) {
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u32 offset_to_align;
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u32 align_addr;
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u32 i;
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u32 write_word;
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uint8_t *ptr;
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uint8_t *pbuf;
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u8 flashtype = 0;
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flash_turnon();
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if (fspic_isinit == 0)
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flash_init(&flashobj);
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flashtype = flashobj.SpicInitPara.flashtype;
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offset_to_align = address & 0x03;
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pbuf = data;
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if (offset_to_align != 0) {
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// the start address is not 4-bytes aligned
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align_addr = (address - offset_to_align);
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write_word = HAL_READ32(SPI_FLASH_BASE, align_addr);
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ptr = (uint8_t*) &write_word + offset_to_align;
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offset_to_align = 4 - offset_to_align;
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for (i = 0; i < offset_to_align; i++) {
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*(ptr + i) = *pbuf;
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pbuf++;
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len--;
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if (len == 0) {
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break;
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}
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}
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//Write word
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HAL_WRITE32(SPI_FLASH_BASE, align_addr, write_word);
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// Wait spic busy done
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SpicWaitBusyDoneRtl8195A();
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// Wait flash busy done (wip=0)
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if (flashtype == FLASH_MICRON) {
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SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
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} else
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SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
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}
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address = (((address - 1) >> 2) + 1) << 2; // address = next 4-bytes aligned
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if ((u32) pbuf & 0x03) {
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while (len >= 4) {
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write_word = (u32) (*pbuf) | ((u32) (*(pbuf + 1)) << 8)
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| ((u32) (*(pbuf + 2)) << 16) | ((u32) (*(pbuf + 3)) << 24);
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//Write word
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HAL_WRITE32(SPI_FLASH_BASE, address, write_word);
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// Wait spic busy done
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SpicWaitBusyDoneRtl8195A();
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// Wait flash busy done (wip=0)
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if (flashtype == FLASH_MICRON) {
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SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
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} else
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SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
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pbuf += 4;
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address += 4;
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len -= 4;
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}
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} else {
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while (len >= 4) {
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//Write word
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HAL_WRITE32(SPI_FLASH_BASE, address, (u32)*((u32 *)pbuf));
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// Wait spic busy done
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SpicWaitBusyDoneRtl8195A();
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// Wait flash busy done (wip=0)
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if (flashtype == FLASH_MICRON) {
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SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
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} else
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SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
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pbuf += 4;
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address += 4;
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len -= 4;
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}
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}
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if (len > 0) {
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write_word = HAL_READ32(SPI_FLASH_BASE, address);
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ptr = (uint8_t*) &write_word;
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for (i = 0; i < len; i++) {
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*(ptr + i) = *pbuf;
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pbuf++;
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}
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//Write word
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HAL_WRITE32(SPI_FLASH_BASE, address, write_word);
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// Wait spic busy done
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SpicWaitBusyDoneRtl8195A();
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// Wait flash busy done (wip=0)
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if (flashtype == FLASH_MICRON) {
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SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
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} else
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SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
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}
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SpicDisableRtl8195A();
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return 1;
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}
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/*
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Function Description:
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This function performans the same functionality as the function flash_stream_write.
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It enhances write performance by reducing overheads.
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Users can use either of functions depending on their needs.
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* @brief Write a stream of data to specified address
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* @param obj: Specifies the parameter of flash object.
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* @param address: Specifies the address to be read.
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* @param Length: Specifies the length of the data to write.
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* @param data: Specified the pointer of the data to be written.
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* @retval status: Success:1 or Failure: Others.
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*/
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int flash_burst_write(flash_t *obj, uint32_t address, uint32_t Length,
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uint8_t * data) {
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u32 OccuSize;
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u32 ProgramSize;
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u32 PageSize;
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u8 flashtype = 0;
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PageSize = 256;
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flash_turnon();
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if (fspic_isinit == 0)
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flash_init(&flashobj);
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flashtype = flashobj.SpicInitPara.flashtype;
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OccuSize = address & 0xFF;
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if ((Length >= PageSize) || ((Length + OccuSize) >= PageSize))
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ProgramSize = PageSize - OccuSize;
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else
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ProgramSize = Length;
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flashobj.Length = Length;
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while (Length > 0) {
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if (OccuSize) {
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SpicUserProgramRtl8195A(data, flashobj.SpicInitPara, address,
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&(flashobj.Length));
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// Wait spic busy done
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SpicWaitBusyDoneRtl8195A();
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// Wait flash busy done (wip=0)
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if (flashtype == FLASH_MICRON) {
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SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
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} else
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SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
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address += ProgramSize;
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data += ProgramSize;
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Length -= ProgramSize;
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OccuSize = 0;
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} else {
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while ((flashobj.Length) >= PageSize) {
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SpicUserProgramRtl8195A(data, flashobj.SpicInitPara, address,
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&(flashobj.Length));
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// Wait spic busy done
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SpicWaitBusyDoneRtl8195A();
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// Wait flash busy done (wip=0)
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if (flashtype == FLASH_MICRON) {
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SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
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} else
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SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
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address += PageSize;
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data += PageSize;
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Length -= PageSize;
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}
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flashobj.Length = Length;
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if ((flashobj.Length) > 0) {
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SpicUserProgramRtl8195A(data, flashobj.SpicInitPara, address,
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&(flashobj.Length));
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// Wait spic busy done
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SpicWaitBusyDoneRtl8195A();
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// Wait flash busy done (wip=0)
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if (flashtype == FLASH_MICRON) {
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SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
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} else
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SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
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break;
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}
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}
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flashobj.Length = Length;
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}
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SpicDisableRtl8195A();
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return 1;
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}
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/**
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* @brief Read a stream of data from specified address
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* @param obj: Specifies the parameter of flash object.
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* @param address: Specifies the address to be read.
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* @param len: Specifies the length of the data to read.
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* @param data: Specified the address to save the readback data.
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* @retval status: Success:1 or Failure: Others.
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*/
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int flash_burst_read(flash_t *obj, uint32_t address, uint32_t Length,
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uint8_t * data) {
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flash_turnon();
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if (fspic_isinit == 0)
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flash_init(&flashobj);
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// Wait flash busy done (wip=0)
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SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
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SpicUserReadRtl8195A(Length, address, data,
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flashobj.SpicInitPara.Mode.BitMode);
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SpicDisableRtl8195A();
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return 1;
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}
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int flash_get_status(flash_t *obj) {
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u8 Status = 0;
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flash_turnon();
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if (fspic_isinit == 0)
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flash_init(&flashobj);
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Status = SpicGetFlashStatusRefinedRtl8195A(flashobj.SpicInitPara);
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SpicDisableRtl8195A();
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return Status;
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}
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/*
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Function Description:
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Please refer to the datatsheet of flash for more details of the content of status register.
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The block protected area and the corresponding control bits are provided in the flash datasheet.
|
|
|
|
* @brief Set Status register to enable desired operation
|
|
* @param obj: Specifies the parameter of flash object.
|
|
* @param data: Specifies which bit users like to set
|
|
ex: if users want to set the third bit, data = 0x8.
|
|
|
|
*/
|
|
int flash_set_status(flash_t *obj, uint32_t data) {
|
|
flash_turnon();
|
|
|
|
if (fspic_isinit == 0)
|
|
flash_init(&flashobj);
|
|
|
|
SpicSetFlashStatusRefinedRtl8195A(data, flashobj.SpicInitPara);
|
|
SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
|
|
DBG_8195A("Status Register After Setting= %x\n",
|
|
flash_get_status(&flashobj));
|
|
SpicDisableRtl8195A();
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
Function Description:
|
|
This function aims to reset the status register, please make sure the operation is appropriate.
|
|
*/
|
|
void flash_reset_status(flash_t *obj) {
|
|
flash_turnon();
|
|
|
|
if (fspic_isinit == 0)
|
|
flash_init(&flashobj);
|
|
|
|
SpicSetFlashStatusRefinedRtl8195A(0, flashobj.SpicInitPara);
|
|
SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
|
|
SpicDisableRtl8195A();
|
|
}
|
|
/*
|
|
Function Description:
|
|
This function is only for Micron 512Mbit flash to access beyond 128Mbit by switching between four 128 Mbit area.
|
|
Please refer to flash datasheet for more information about memory mapping.
|
|
*/
|
|
|
|
int flash_set_extend_addr(flash_t *obj, uint32_t data) {
|
|
flash_turnon();
|
|
|
|
if (fspic_isinit == 0)
|
|
flash_init(&flashobj);
|
|
|
|
SpicSetExtendAddrRtl8195A(data, flashobj.SpicInitPara);
|
|
SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
|
|
DBG_8195A("Extended Address Register After Setting = %x\n",
|
|
flash_get_extend_addr(&flashobj));
|
|
SpicDisableRtl8195A();
|
|
return 1;
|
|
}
|
|
|
|
int flash_get_extend_addr(flash_t *obj) {
|
|
u8 Status = 0;
|
|
|
|
flash_turnon();
|
|
if (fspic_isinit == 0)
|
|
flash_init(&flashobj);
|
|
Status = SpicGetExtendAddrRtl8195A(flashobj.SpicInitPara);
|
|
|
|
SpicDisableRtl8195A();
|
|
return Status;
|
|
|
|
}
|
|
|
|
/*
|
|
* Return Flash size in bytes
|
|
* = 0 - unknown flash
|
|
*/
|
|
unsigned int flash_get_size(flash_t *obj) {
|
|
unsigned int flashchip_size = 0;
|
|
if (fspic_isinit == 0) {
|
|
flash_turnon();
|
|
flash_init(&flashobj);
|
|
SpicDisableRtl8195A();
|
|
if (fspic_isinit == 0)
|
|
return flashchip_size;
|
|
}
|
|
if (flashobj.SpicInitPara.id[2] > 0x11
|
|
&& flashobj.SpicInitPara.id[2] < 0x20) {
|
|
flashchip_size = 1 << (flashobj.SpicInitPara.id[2]); // Flash size in bytes
|
|
} else
|
|
flashchip_size = 1024 * 1024; // default 1 mbytes?
|
|
return flashchip_size;
|
|
}
|
|
|
|
/*
|
|
* Read Flash OTP data
|
|
*/
|
|
int flash_otp_read(flash_t *obj, uint32_t address, uint32_t Length,
|
|
uint8_t * data) {
|
|
int ret = 1;
|
|
flash_turnon();
|
|
if (fspic_isinit == 0)
|
|
flash_init(&flashobj);
|
|
SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
|
|
switch (flashobj.SpicInitPara.flashtype) {
|
|
case FLASH_MXIC_4IO:
|
|
case FLASH_MXIC: // Only 512 bits
|
|
#if CONFIG_DEBUG_LOG > 4
|
|
DBG_SPIF_INFO("MXIC: Only 512 bits!\n");
|
|
#endif
|
|
SpicTxCmdWithDataRtl8195A(FLASH_CMD_ENSO, 0, 0, flashobj.SpicInitPara); // enter secured OTP
|
|
SpicUserReadRtl8195A(Length, address, data,
|
|
flashobj.SpicInitPara.Mode.BitMode);
|
|
SpicTxCmdWithDataRtl8195A(FLASH_CMD_EXSO, 0, 0, flashobj.SpicInitPara); // exit secured OTP
|
|
break;
|
|
case FLASH_EON: // OTP sector is mapping to sector 1023
|
|
#if CONFIG_DEBUG_LOG > 4
|
|
DBG_SPIF_INFO("EON: OTP sector is mapping to sector 1023!\n");
|
|
#endif
|
|
SpicTxCmdWithDataRtl8195A(FLASH_CMD_EOTPM, 0, 0, flashobj.SpicInitPara); // enter secured OTP
|
|
SpicUserReadRtl8195A(Length, address, data,
|
|
flashobj.SpicInitPara.Mode.BitMode);
|
|
SpicTxCmdWithDataRtl8195A(FLASH_CMD_WRDI, 0, 0, flashobj.SpicInitPara); // exit secured OTP
|
|
break;
|
|
case FLASH_MICRON: // (4Bh) READ OTP ARRAY
|
|
#if CONFIG_DEBUG_LOG > 4
|
|
DBG_SPIF_INFO("MICRON: @TODO !\n");
|
|
#endif
|
|
// FLASH_CMD_ROTPA
|
|
ret = 0;
|
|
break;
|
|
default:
|
|
DBG_8195A("Flash type?");
|
|
ret = 0;
|
|
}
|
|
SpicDisableRtl8195A();
|
|
return ret;
|
|
}
|