#include "TYW_FLASH.h"
#include "SFMA_Driver.h"
#include "stdint.h"
#include "r_dev_api.h"
#include "r_sfma_api.h"
#include "SFMA_APP.h"
#define SYSPROTCMDD1 (INT32U)(0xfff87000)
#define SYSCKSC_ISFMAS_CTL (INT32U)(0xfff85340)
#define SYSCKSC_ISFMAD_CTL (INT32U)(0xfff85380)
#define CKSC_ISFMAS_ACT (INT32U)(0xFFF85348)
#define CKSC_ISFMAD_ACT (INT32U)(0xFFF85380)
#define BUSY_TIMEOUT (INT32U)(500000ul)
#define CMNCR (INT8U)(0x00u)
#define SSLDR (INT8U)(0x04u)
#define SPBCR (INT8U)(0x08u)
#define CKDLY (INT8U)(0x50u)
#define SPODLY (INT8U)(0x68u)
#define CMNSR (INT8U)(0x48u)
#define SMCMR (INT8U)(0x24u)
#define SMENR (INT8U)(0x30u)
#define SMCR (INT8U)(0x20u)
#define SMRDR0 (INT8U)(0x38u)
#define SMRDR1 (INT8U)(0x3Cu)
#define SMWDR0 (INT8U)(0x40u)
#define SMWDR1 (INT8U)(0x44u)
#define DRCMR (INT8U)(0x10u)
#define DRENR (INT8U)(0x1Cu)
#define DRDMCR (INT8U)(0x58u)
#define DRCR (INT8U)(0x0cu)
#define DREAR (INT8U)(0x14u)
#define DRDRENR (INT8U)(0x5cu)
#define SMADR (INT8U)(0x28u)
#define SMOPR (INT8U)(0x2Cu)
#define SMDMCR (INT8U)(0x60u)
#define SMDRENR (INT8U)(0x64u)
#define DROPR (INT8U)(0x18u)
static void Flash_WaitNop(INT32U loopcount);
static void Flash_WaitNop(INT32U loopcount)
{
uint32_t i;
for (i = 0; i < loopcount; i++)
{
asm("nop");
asm("nop");
asm("nop");
asm("nop");
asm("nop");
asm("nop");
asm("nop");
asm("nop");
asm("nop");
asm("nop");
}
}
void TYW_FLASH_PreInit(void)
{
r_sfma0_Error_t ret;
uint32_t ssldr = 0x00000000u;
uint32_t spbcr = 0x00000100u;
uint32_t ckdly = 0xa5040001u;
uint32_t spodly = 0xa5000000u;
uint32_t cmncr = 0x80005000u;
uint32_t smenr = 0x00005000u;
uint32_t smcmr = 0x00ff00ffu;
uint32_t smcr = 0x00000001u;
uint32_t regval = 0;
/* ssldr = 0x00000000ul;*/
spbcr = 0x00000100ul;
ckdly = 0xa5050001ul;
spodly = 0xa5000000ul;
cmncr = 0x80505001ul;
smenr = 0x00005000ul;
smcmr = 0x00ff00fful;
smcr = 0x00000001ul;
regval = 0;
R_DEV_WRITE_PROT_REG(SYSPROTCMDD1, SYSCKSC_ISFMAS_CTL, 0X02);/*PLL1CLK 480M fPHCLK */
while (0x02u != R_DEV_READ_REG(32, CKSC_ISFMAS_ACT)) {}
R_DEV_WRITE_PROT_REG(SYSPROTCMDD1, SYSCKSC_ISFMAD_CTL, 0X03);/* 4分频率 480M/4=120M BΦ */
while (0x03u != R_DEV_READ_REG(32, SYSCKSC_ISFMAD_CTL)) {}
R_DEV_WRITE_REG(32, (0xF2FF0000ul + CMNCR), cmncr);
/* R_DEV_WRITE_REG(32, (0xF2FF0000ul + SSLDR), ssldr);*/
R_DEV_WRITE_REG(32, (0xF2FF0000ul + SPBCR), spbcr);
R_DEV_WRITE_REG(32, (0xF2FF0000ul + SPODLY), spodly);
R_DEV_WRITE_REG(32, (0xF2FF0000ul + CKDLY), ckdly);
while (0x1u != (regval & 0x1u))
{
regval = R_DEV_READ_REG(32, (0xF2FF0000ul + CMNSR));
}
}
void TYW_FLASH_DDRPreInit(SFMA_DDR_Parameter_t *DDR_Parameter)
{
r_sfma0_Error_t ret;
uint32_t ssldr = 0x00000000u;
uint32_t spbcr = 0x00000100u;
uint32_t ckdly = 0xa5040001u;
uint32_t spodly = 0xa5000000u;
uint32_t cmncr = 0x80005000u;
uint32_t smenr = 0x00005000u;
uint32_t smcmr = 0x00ff00ffu;
uint32_t smcr = 0x00000001u;
uint32_t drcr = 0ul;
uint32_t drcmr = 0ul;
uint32_t drear = 0ul;
uint32_t dropr = 0ul;
uint32_t drenr = 0ul;
uint32_t drdmcr = 0ul;
uint32_t drdrenr = 0ul;
uint32_t regval = 0;
uint32_t u32DummyCycle = 0;
/*
bit 31 MD 0 External address space read mode
bit 24 SFDE 1 Swapping is performed in 8-bit units
bit 23 22 MOIIO3 11: Output value Hi-Z
bit 21 20 MOIIO2 11: Output value Hi-Z
bit 19 18 MOIIO1 11: Output value Hi-Z
bit 17 16 MOIIO0 11: Output value Hi-Z
bit 15 14 IO3FV 11: Output value Hi-Z
bit 13 12 IO2FV 11: Output value Hi-Z
bit 9 8 IO0FV 11: Output value Hi-Z
bit 6 CPHAT Data transmission starts at even edge during DDR transfer.
bit 5 CPHAR Data transmission starts at even edge during DDR transfer.
bit 4 SSLP Active low SPBSSL signal
bit 3 cpol SPBCLK output is 0 during SPBSSL negation period.
bit 0 1 BSZ 2 memories
*/
cmncr = 0x01FFF301UL;/* CONFIRMED Fix */
/* ssldr = 0x00000000ul;*/
spbcr = 0x00000100ul;/* CONFIRMED Fix 120M/(2*1*1)=60M */
spodly = 0xa5000000ul;/* CONFIRMED Fix */
/* fphclk/fbΦ =480/120=4 */
/*
stepsize = 180/4 =45°
max step =360/45-2=6
maxshift = 6*45=270°
*/
ckdly = 0xa5050000ul;/* CONFIRMED Modify but fix */
smcmr = 0x00ee0000ul;/* do not care */
smenr = 0x00025000ul;/* do not care */
smcr = 0x00ee0000ul;/* do not care */
/*
• Set the normal read or burst read operation.
• Set the SPBSSL negation during burst read operation.
• Set the burst length during burst read operation
*/
/*
bit 31-29 0 BFM Burst length depends on the access size. Further the cache is flushed at each cycle.
BIT 24 SSLN 0 Asserted SPBSSL can be negated by writing 1 to this bit when both the RBE and SSLE bits are 1.
bit 19-16 RBURST F 1111: 16 continuous data units
bit 9 RCF 1 When 1 is written to this bit, all the entries in the read cache are cleared. This bit is always read as 0.
bit 8 RBE 1 read cache is enabled, and as many data units as the burst count specified in RBURST[3:0] bits is read
BIT 0 SSLE 1 SPBSSL is negated when the accessed address is not continuous with the previously transferred address
*/
drcr = 0x000f0301ul;/* CONFIRMED Fix */
/*
• Set the command/optional command when reading
*/
/*
BIT 23-16 CMD 0XED
BIT 7-0 OCMD 0X00
*/
drcmr = 0x00000000ul; /* CONFIRMED Modify */
drcmr |= ((uint32_t)(DDR_Parameter->DTR_CMD)) << 16; /* CONFIRMED Modify */
/*
• Set the option data when reading
*/
dropr = 0x00000000UL;/* CONFIRMED Modify */
dropr |= ((uint32_t)(DDR_Parameter->DTR_MF0_7)) << 24; /* CONFIRMED Modify */
/*
• Enable the transfer data.
• Set the transfer data size in bit units
BIT 31 30 CDB 00: 1 bit
BIT 29 28 OCDB 00: 1 bit
BIT 25 24 ADB 10: 4 bits
BIT 21 20 OPDB 10: 4 bits
BIT 17 16 DRDB 10: 4 bits
BIT 15 DME 1: Dummy cycle insertion enabled
BIT 14 CDE 1: Command output enabled
BIT 12 OCDE 0: Optional command output disable
BIT 11-8 ADE 1111: Address[32:1]
BIT 7-4 OPDE 0000: OPD3
*/
drenr = 0x0222CF80ul; /* CONFIRMED Fix */
/*
• Set the address when the serial flash address is output in 32-bit units.
(only when DRENR.ADE[3] = 1)
bit 23-16 EAV 00000000
bit 2-0 EAC 100: External address bits [28:0] enabled
*/
drear = 0x00000004ul;/* CONFIRMED Fix */
/*
• Set the dummy cycle size in bit units.
• Set the number of dummy cycles.
*/
/*
BIT 17 16 DMDB 2: 4 bits
BIT 2-0 DMCYC 110: 7 cycles
*/
drdmcr = 0x00020000ul; /* CONFIRMED Modify */
u32DummyCycle = DDR_Parameter->DTR_DummyCycle;
if (u32DummyCycle != 0)
{
u32DummyCycle = u32DummyCycle - 1;
}
drdmcr |= u32DummyCycle; /* CONFIRMED Modify */
/*
bit 8 ADDRE 1: DDR transfe
bit 4 OPDRE 1: DDR transfer
bit 1 DRDRE 1: DDR transfer
*/
drdrenr = 0x00000111ul;/* CONFIRMED FIX */
regval = 0;
R_DEV_WRITE_REG(32, (0xF2FF0000ul + CMNCR ), cmncr);
/* R_DEV_WRITE_REG(32, (0xF2FF0000ul + SSLDR ), ssldr);*/
R_DEV_WRITE_REG(32, (0xF2FF0000ul + SPBCR ), spbcr);
R_DEV_WRITE_REG(32, (0xF2FF0000ul + SPODLY ), spodly);
R_DEV_WRITE_REG(32, (0xF2FF0000ul + CKDLY ), ckdly);
R_DEV_WRITE_REG(32, (0xF2FF0000ul + SMCMR ), smcmr);
R_DEV_WRITE_REG(32, (0xF2FF0000ul + SMENR ), smenr);
R_DEV_WRITE_REG(32, (0xF2FF0000ul + SMCR ), smcr );
R_DEV_WRITE_REG(32, (0xF2FF0000ul + DRCR ), drcr);
R_DEV_WRITE_REG(32, (0xF2FF0000ul + DRCMR ), drcmr);
R_DEV_WRITE_REG(32, (0xF2FF0000ul + DREAR ), drear);
R_DEV_WRITE_REG(32, (0xF2FF0000ul + DROPR ), dropr);
R_DEV_WRITE_REG(32, (0xF2FF0000ul + DRENR ), drenr);
R_DEV_WRITE_REG(32, (0xF2FF0000ul + DRDMCR ), drdmcr);
R_DEV_WRITE_REG(32, (0xF2FF0000ul + DRDRENR), drdrenr);
while (0x1u != (regval & 0x1u))
{
regval = R_DEV_READ_REG(32, (0xF2FF0000ul + CMNSR));
}
}
void TYW_FLASH_Init(void)
{
uint32_t TEMP[2];
FLASH_MANUFACTURER_ID_t FlashType;
SFMA_DDR_Parameter_t SFMA_Parameter;
uint32_t i_count;
i_count=0;
Total_Begin:
i_count++;
if(i_count>=20)
{
goto End_Begin;
}
Flash_WaitNop(60);
TYW_FLASH_PreInit();
FlashType = SPI_NOR_Init();
switch (FlashType)
{
case SPANSION:
break;
case WINBOND:
SFMA_Parameter.DTR_CMD = 0xED;
SFMA_Parameter.DTR_MF0_7 = 0xFF;
SFMA_Parameter.DTR_DummyCycle = 0x07;
break;
case ISSI:
SFMA_Parameter.DTR_CMD = 0xEE;
SFMA_Parameter.DTR_MF0_7 = 0xFF;
SFMA_Parameter.DTR_DummyCycle = 0x06;
break;
case Macronix:
break;
case GIGADEVICE:
break;
default:
break;
}
TYW_FLASH_DDRPreInit(&SFMA_Parameter);
Flash_WaitNop(60);
TEMP[0] = ((*((volatile uint32_t *)((0x10000000u)))));
TEMP[1] = ((*((volatile uint32_t *)((0x10000004u)))));
if ((TEMP[0] != 0x50415247) && (TEMP[1] != 0x50415f45))
{
goto Total_Begin;
}
End_Begin:
i_count=0;
}