внешняя память

This commit is contained in:
seklyuts 2023-12-19 10:50:15 +03:00
parent f9a72e9ac6
commit 29a3aac0a6
4 changed files with 381 additions and 55 deletions

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@ -246,24 +246,42 @@ void ASync_cs4_config(Uint16 inst, Uint16 async_mem_data_width,
//
// setup_emif1_pinmux_async_16bit - function for EMIF1 GPIO pin setup
//
#define DEBUG_BOARD
void setup_emif1_pinmux_async_16bit(Uint16 cpu_sel)
{
Uint16 i;
for (i=48; i<=52; i++)//38 to 52
//Addr
for (i=38; i<=41; i++)
{
if ((i != 42) && (i != 43))
{
GPIO_SetupPinMux(i,cpu_sel,2);//A0 - A12
}
GPIO_SetupPinMux(i,cpu_sel,2);//A0 - A3
}
GPIO_SetupPinMux(45,cpu_sel,2);//A5
for (i=76; i<=82; i++) //69 to 82
#ifdef DEBUG_BOARD
GPIO_SetupPinMux(17,cpu_sel,0);//A4
GpioCtrlRegs.GPADIR.bit.GPIO17 = 1;
GpioDataRegs.GPADAT.bit.GPIO17 = 0;
GPIO_SetupPinMux(18,cpu_sel,0);//A6
GpioCtrlRegs.GPADIR.bit.GPIO18 = 1;
GpioDataRegs.GPADAT.bit.GPIO18 = 0;
GPIO_SetupPinMux(19,cpu_sel,0);//A7
GpioCtrlRegs.GPADIR.bit.GPIO19 = 1;
GpioDataRegs.GPADAT.bit.GPIO19 = 0;
#else
GPIO_SetupPinMux(44,cpu_sel,2);//A4
GPIO_SetupPinMux(46,cpu_sel,2);//A6
GPIO_SetupPinMux(47,cpu_sel,2);//A7
#endif
for (i=48; i<=52; i++)
{
{
GPIO_SetupPinMux(i,cpu_sel,2);//D2 - D15
}
GPIO_SetupPinMux(i,cpu_sel,2);//A8 - A12
}
for (i=86; i<=92; i++) //86 to 92
@ -273,9 +291,32 @@ void setup_emif1_pinmux_async_16bit(Uint16 cpu_sel)
}
}
//Data
for (i=69; i<=74; i++) //69 to 82
{
{
GPIO_SetupPinMux(i,cpu_sel,2);//D10 - D15
}
}
#ifdef DEBUG_BOARD
GPIO_SetupPinMux(16,cpu_sel,0);//D9
GpioCtrlRegs.GPADIR.bit.GPIO16 = 1;
GpioDataRegs.GPADAT.bit.GPIO16 = 0;
#else
GPIO_SetupPinMux(75,cpu_sel,2);//D9
#endif
for (i=76; i<=82; i++) //69 to 82
{
{
GPIO_SetupPinMux(i,cpu_sel,2);//D2 - D8
}
}
GPIO_SetupPinMux(55,cpu_sel,9);//D0
GPIO_SetupPinMux(56,cpu_sel,9);//D1
//Cntrl
GPIO_SetupPinMux(26,cpu_sel,0);//RST
GPIO_SetupPinMux(27,cpu_sel,0);//BYTE
@ -294,13 +335,12 @@ void setup_emif1_pinmux_async_16bit(Uint16 cpu_sel)
//
// setup async mode and enable pull-ups for Data pins
//
for (i=69; i<=92; i++)
{
if ((i != 84) && (i != 84) && (i != 85))
for (i=69; i<=82; i++)
{
GPIO_SetupPinOptions(i,0,0x31); // GPIO_ASYNC||GPIO_PULLUP
}
}
GPIO_SetupPinOptions(55,0,0x31); // GPIO_ASYNC||GPIO_PULLUP
GPIO_SetupPinOptions(56,0,0x31); // GPIO_ASYNC||GPIO_PULLUP
}
//

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@ -17,6 +17,7 @@
//#include "f28x_project.h"
#ifdef CPU1
#include "frmmstr_run.h"
#include "emif_init.h"
#endif
#include "init_perif.h"
@ -29,8 +30,9 @@ void main(void)
{
asm (" NOP");
ipc_run();
#ifdef CPU1
#ifdef CPU1
emif_run();
// frmmstr_run();
#endif
}

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@ -10,7 +10,8 @@
#define TEST_PASS 0xABCDABCD
#define TEST_FAIL 0xDEADDEAD
#define ASRAM_CS2_START_ADDR 0x100000
#define ASRAM_CS2_SIZE 0x10
#define ASRAM_CS3_START_ADDR 0x300000
#define ASRAM_CS2_SIZE 0x1
#define EMIF1 0
#define EMIF2 1
@ -38,55 +39,335 @@ int i;
//
// Function Prototypes
//
extern void setup_emif1_pinmux_async_16bit(Uint16);
//extern void setup_emif1_pinmux_async_16bit(Uint16);
#define DEBUG_BOARD
#ifdef DEBUG_BOARD
void flash_gpio_debug_board(Uint32 addr, Uint16 data)
{
EALLOW;
GpioDataRegs.GPADAT.bit.GPIO17 = (addr>>4) & 1;
GpioDataRegs.GPADAT.bit.GPIO17 = (addr>>4) & 1;
GpioDataRegs.GPADAT.bit.GPIO17 = (addr>>4) & 1;
asm (" NOP");
asm (" NOP");
GpioDataRegs.GPADAT.bit.GPIO18 = (addr>>6) & 1;
GpioDataRegs.GPADAT.bit.GPIO18 = (addr>>6) & 1;
GpioDataRegs.GPADAT.bit.GPIO18 = (addr>>6) & 1;
asm (" NOP");
asm (" NOP");
GpioDataRegs.GPADAT.bit.GPIO19 = (addr>>7) & 1;
GpioDataRegs.GPADAT.bit.GPIO19 = (addr>>7) & 1;
GpioDataRegs.GPADAT.bit.GPIO19 = (addr>>7) & 1;
asm (" NOP");
asm (" NOP");
GpioDataRegs.GPADAT.bit.GPIO16 = (data>>9) & 1;
GpioDataRegs.GPADAT.bit.GPIO16 = (data>>9) & 1;
GpioDataRegs.GPADAT.bit.GPIO16 = (data>>9) & 1;
EDIS;
}
#endif
void emif1_gpio_init_pinmux_async_16bit(Uint16 cpu_sel)
{
Uint16 i;
//Addr
for (i=38; i<=41; i++)
{
GPIO_SetupPinMux(i,cpu_sel,2);//A0 - A3
}
GPIO_SetupPinMux(45,cpu_sel,2);//A5
#ifdef DEBUG_BOARD
EALLOW;
GpioCtrlRegs.GPAMUX2.bit.GPIO17 = 0;
GpioCtrlRegs.GPAGMUX2.bit.GPIO17 = 0;
GpioCtrlRegs.GPADIR.bit.GPIO17 = 1;
GpioDataRegs.GPADAT.bit.GPIO17 = 0;
GpioCtrlRegs.GPAMUX2.bit.GPIO18 = 0;
GpioCtrlRegs.GPAGMUX2.bit.GPIO18 = 0;
GpioCtrlRegs.GPADIR.bit.GPIO18 = 1;
GpioDataRegs.GPADAT.bit.GPIO18 = 0;
GpioCtrlRegs.GPAMUX2.bit.GPIO19 = 0;
GpioCtrlRegs.GPAGMUX2.bit.GPIO19 = 0;
GpioCtrlRegs.GPADIR.bit.GPIO19 = 1;
GpioDataRegs.GPADAT.bit.GPIO19 = 0;
EDIS;
#else
GPIO_SetupPinMux(44,cpu_sel,2);//A4
GPIO_SetupPinMux(46,cpu_sel,2);//A6
GPIO_SetupPinMux(47,cpu_sel,2);//A7
#endif
for (i=48; i<=52; i++)
{
GPIO_SetupPinMux(i,cpu_sel,2);//A8 - A12
}
for (i=86; i<=92; i++) //86 to 92
{
{
GPIO_SetupPinMux(i,cpu_sel,2);//A13 - A19
}
}
//Data
for (i=69; i<=74; i++) //69 to 82
{
{
GPIO_SetupPinMux(i,cpu_sel,2);//D10 - D15
}
}
#ifdef DEBUG_BOARD
EALLOW;
GpioCtrlRegs.GPAMUX2.bit.GPIO16 = 0;
GpioCtrlRegs.GPAGMUX2.bit.GPIO16 = 0;
GpioCtrlRegs.GPADIR.bit.GPIO16 = 1;
GpioDataRegs.GPADAT.bit.GPIO16 = 0;
EDIS;
#else
GPIO_SetupPinMux(75,cpu_sel,2);//D9
#endif
for (i=76; i<=82; i++) //69 to 82
{
{
GPIO_SetupPinMux(i,cpu_sel,2);//D2 - D8
}
}
GPIO_SetupPinMux(55,cpu_sel,9);//D0
GPIO_SetupPinMux(56,cpu_sel,9);//D1
//Cntrl
GPIO_SetupPinMux(26,cpu_sel,0);//RST
GPIO_SetupPinMux(27,cpu_sel,0);//BYTE
EALLOW;
GpioCtrlRegs.GPADIR.bit.GPIO26 = 1;
GpioDataRegs.GPADAT.bit.GPIO26 = 1;
GpioCtrlRegs.GPADIR.bit.GPIO27 = 1;
GpioDataRegs.GPADAT.bit.GPIO27 = 1;//word mode
EDIS;
GPIO_SetupPinMux(29,cpu_sel,9);//CS3
GPIO_SetupPinMux(31,cpu_sel,2);//WEN
GPIO_SetupPinMux(36,cpu_sel,2);//WAIT
GPIO_SetupPinMux(37,cpu_sel,2);//OEn
//
// setup async mode and enable pull-ups for Data pins
//
for (i=69; i<=82; i++)
{
GPIO_SetupPinOptions(i,0,0x31); // GPIO_ASYNC||GPIO_PULLUP
}
GPIO_SetupPinOptions(55,0,0x31); // GPIO_ASYNC||GPIO_PULLUP
GPIO_SetupPinOptions(56,0,0x31); // GPIO_ASYNC||GPIO_PULLUP
}
//
// mem_read_write - This function performs simple read/write word accesses
// to memory.
//
Uint32 ArrWriteAdr[3] = {0x555, 0x2AA, 0x555};
Uint16 ArrWriteData[3] = {0xAA, 0x55, 0xA0};
void MX29LV160D_emif_start_write_command(void)
{
long *XMEM_ps;
#ifdef DEBUG_BOARD
flash_gpio_debug_board(ArrWriteAdr[0], ArrWriteData[0]);
#endif
XMEM_ps = (long *)(ASRAM_CS3_START_ADDR & ArrWriteAdr[0]);
*XMEM_ps = ArrWriteData[0];
#ifdef DEBUG_BOARD
flash_gpio_debug_board(ArrWriteAdr[1], ArrWriteData[1]);
#endif
XMEM_ps = (long *)(ASRAM_CS3_START_ADDR & ArrWriteAdr[1]);
*XMEM_ps = ArrWriteData[1];
#ifdef DEBUG_BOARD
flash_gpio_debug_board(ArrWriteAdr[2], ArrWriteData[2]);
#endif
XMEM_ps = (long *)(ASRAM_CS3_START_ADDR & ArrWriteAdr[2]);
*XMEM_ps = ArrWriteData[2];
}
Uint32 ArrEraseAdr[3] = {0x555, 0x2AA, 0x555};
Uint16 ArrEraseData[3] = {0xAA, 0x55, 0x80};
void MX29LV160D_emif_start_erase_command(void)
{
long *XMEM_ps;
#ifdef DEBUG_BOARD
flash_gpio_debug_board(ArrEraseAdr[0], ArrEraseData[0]);
#endif
XMEM_ps = (long *)(ASRAM_CS3_START_ADDR & ArrEraseAdr[0]);
*XMEM_ps = ArrEraseData[0];
#ifdef DEBUG_BOARD
flash_gpio_debug_board(ArrEraseAdr[1], ArrEraseData[1]);
#endif
XMEM_ps = (long *)(ASRAM_CS3_START_ADDR & ArrEraseAdr[1]);
*XMEM_ps = ArrEraseData[1];
#ifdef DEBUG_BOARD
flash_gpio_debug_board(ArrEraseAdr[2], ArrEraseData[2]);
#endif
XMEM_ps = (long *)(ASRAM_CS3_START_ADDR & ArrEraseAdr[2]);
*XMEM_ps = ArrEraseData[2];
#ifdef DEBUG_BOARD
flash_gpio_debug_board(ArrEraseAdr[0], ArrEraseData[0]);
#endif
XMEM_ps = (long *)(ASRAM_CS3_START_ADDR & ArrEraseAdr[0]);
*XMEM_ps = ArrEraseData[0];
#ifdef DEBUG_BOARD
flash_gpio_debug_board(ArrEraseAdr[1], ArrEraseData[1]);
#endif
XMEM_ps = (long *)(ASRAM_CS3_START_ADDR & ArrEraseAdr[1]);
*XMEM_ps = ArrEraseData[1];
}
Uint16 data_polling_alg(Uint32 addr, Uint16 data_sharp)
{
Uint16 data;
long *XMEM_ps;
XMEM_ps = (long *)(addr);
do
{
data = *XMEM_ps & 0xFF;
if( ((data>>7) & 1) != data_sharp) return 0;
}
while( ((data>>5) & 1) != 1);
data = *XMEM_ps & 0xFF;
if( ((data>>7) & 1) != data_sharp ) return 0;
else return 1;
}
Uint16 toggle_bit_alg(Uint32 addr)
{
Uint16 data[2];
long *XMEM_ps;
XMEM_ps = (long *)(addr);
do
{
data[0] = *XMEM_ps & 0xFF;
data[1] = *XMEM_ps & 0xFF;
if( ((data[0]>>6) & 1) == ((data[0]>>6) & 1) ) return 0;
}
while( ((data[1]>>5) & 1) != 1);
data[0] = *XMEM_ps & 0xFF;
data[1] = *XMEM_ps & 0xFF;
if( ((data[0]>>6) & 1) != ((data[0]>>6) & 1) ) return 0;
else return 1;
}
uint16_t Arr1[ASRAM_CS2_SIZE], Arr2[ASRAM_CS2_SIZE];
char
mem_read_write(Uint32 start_addr, Uint32 mem_size)
char mem_read_write(Uint32 start_addr, Uint32 mem_size)
{
unsigned long mem_rds;
unsigned long mem_wds;
volatile Uint16 mem_rds;
volatile Uint16 mem_wds;
volatile Uint16 Err;
long *XMEM_ps;
Uint32 i;
// Uint32 i;
XMEM_ps = (long *)(start_addr+0x8000);
Arr1[0] = *XMEM_ps++;
Arr1[1] = *XMEM_ps++;
Arr1[2] = *XMEM_ps;
//
//Write data
//
XMEM_ps = (long *)start_addr;
MX29LV160D_emif_start_write_command();
//
//Fill memory
//
mem_wds = 0x01234567;
for (i=0; i < mem_size; i++)
{
XMEM_ps = (long *)(start_addr+0x8000);
mem_wds = 0x012;
// for (i=0; i < mem_size; i++)
// {
flash_gpio_debug_board((Uint32)XMEM_ps, mem_wds);
*XMEM_ps = mem_wds;
if(i < ASRAM_CS2_SIZE) Arr1[i] = mem_wds & 0x0FF;
XMEM_ps ++;
mem_wds += 0x11111111;
}
// if(i < ASRAM_CS2_SIZE) Arr1[i] = mem_wds & 0x0FF;
// XMEM_ps ++;
// mem_wds += 0x11;
// }
// do
// {
Err = toggle_bit_alg((Uint32)XMEM_ps);
//
//Verify memory
//
mem_wds = 0x01234567;
XMEM_ps = (long *)start_addr;
for (i=0; i < mem_size; i++)
{
mem_wds = 0x012;
XMEM_ps = (long *)(start_addr+0x8000);
// for (i=0; i < mem_size; i++)
// {
flash_gpio_debug_board((Uint32)XMEM_ps, mem_wds);
mem_rds = *XMEM_ps;
if( (mem_rds & 0xFF) != (mem_wds & 0xFF) )
{
if(i < ASRAM_CS2_SIZE) Arr2[i] = mem_rds & 0xFF;
}
XMEM_ps++;
mem_wds += 0x11111111;
}
// if(i < ASRAM_CS2_SIZE) Arr2[i] = mem_rds & 0xFF;
// }
// while((mem_rds & 0xFF) != (mem_wds & 0xFF));
// if( (mem_rds & 0xFF) != (mem_wds & 0xFF) )
// {
// Err++;
// }
// XMEM_ps++;
// mem_wds += 0x11;
// }
return(0);
}
@ -94,8 +375,7 @@ mem_read_write(Uint32 start_addr, Uint32 mem_size)
// mem_data_walk - This function performs a walking 0 & 1 on data lines for
// SRAM RD & WR
//
char
mem_data_walk(Uint32 start_addr, Uint32 mem_size)
char mem_data_walk(Uint32 start_addr, Uint32 mem_size)
{
unsigned long sram_rd;
unsigned long sram_wd;
@ -157,8 +437,7 @@ mem_data_walk(Uint32 start_addr, Uint32 mem_size)
//
// mem_addr_walk - This function performs a toggle on each address bit.
//
char
mem_addr_walk(Uint32 start_addr, Uint32 addr_size)
char mem_addr_walk(Uint32 start_addr, Uint32 addr_size)
{
unsigned long sram_rd;
unsigned long sram_wd;
@ -206,8 +485,7 @@ mem_addr_walk(Uint32 start_addr, Uint32 addr_size)
// mem_data_size - This function performs different data type
// (HALFWORD/WORD) access.
//
char
mem_data_size(Uint32 start_addr, Uint32 size_to_check)
char mem_data_size(Uint32 start_addr, Uint32 size_to_check)
{
unsigned short mem_rds;
unsigned long mem_rdl;
@ -329,7 +607,7 @@ void emif_init(void)
//
//Configure GPIO pins for EMIF1
//
setup_emif1_pinmux_async_16bit(0);
emif1_gpio_init_pinmux_async_16bit(0);
Emif1Regs.ASYNC_WCCR.bit.WP0 = 0;
@ -353,33 +631,33 @@ void emif_init(void)
EMIF_ASYNC_WSETUP_1 | // Write Setup time
// of 1 Emif Clock
EMIF_ASYNC_EW_ENABLE | // Extended Wait
// Disable.
// Enable.
EMIF_ASYNC_SS_ENABLE // Strobe Select Mode
// Disable.
// Enable.
);
//
//Check basic RD/WR access to CS2 space
//
ErrCount_local = mem_read_write(ASRAM_CS2_START_ADDR, ASRAM_CS2_SIZE);
ErrCount_local = mem_read_write(ASRAM_CS3_START_ADDR, ASRAM_CS2_SIZE);
ErrCount = ErrCount + ErrCount_local;
//
//Address walk checks (Tested for Memory with address width of 16bit)
//
// ErrCount_local = mem_addr_walk(ASRAM_CS2_START_ADDR, 16);
// ErrCount_local = mem_addr_walk(ASRAM_CS3_START_ADDR, 16);
// ErrCount = ErrCount + ErrCount_local;
//
//Data walk checks
//
// ErrCount_local = mem_data_walk(ASRAM_CS2_START_ADDR, ASRAM_CS2_SIZE);
// ErrCount_local = mem_data_walk(ASRAM_CS3_START_ADDR, ASRAM_CS2_SIZE);
// ErrCount = ErrCount + ErrCount_local;
//
//Data size checks
//
// ErrCount_local = mem_data_size(ASRAM_CS2_START_ADDR, 4);
// ErrCount_local = mem_data_size(ASRAM_CS3_START_ADDR, 4);
// ErrCount = ErrCount + ErrCount_local;
if (ErrCount == 0x0)
@ -388,3 +666,9 @@ void emif_init(void)
}
}
void emif_run(void)
{
mem_read_write(ASRAM_CS3_START_ADDR, ASRAM_CS2_SIZE);
}

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@ -10,6 +10,6 @@
void emif_init(void);
void emif_run(void);
#endif /* SRC_EMIF_INIT_H_ */