nsc_driver.c File Reference

#include "nsc_driver.h"
#include "xparameters.h"
#include <assert.h>

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Data Structures
struct	iodelay_if

Functions
void	nfc_set_dqs_delay (int channel, unsigned int newValue)
void	nfc_set_dq_delay (int channel, unsigned int newValue)
void	V2FInitializeHandle (T4REGS *t4regs, void *t4nscRegisterBaseAddress)
void	__attribute__ ((optimize("O0")))
void	V2FGetReadyBusy (T4REGS *t4regs, unsigned int *report)
void	V2FReadIdAsync (T4REGS *t4regs, int way, unsigned int *statusReport, unsigned int *completion)
void	V2FReadIdSync (T4REGS *t4regs, int way, unsigned int *statusReport)

Function Documentation

__attribute__()

unsigned int __attribute__

(

(optimize("O0"))

)

payload = feature0x01; while (V2FIsControllerBusy(t4regs)); V2FSetFeaturesT(t4regs, way, 0x01, payload); do { while (V2FIsControllerBusy(t4regs)); V2FGetReadyBusy(t4regs, status); while (!(*status & 1)); status >>= 16; } while (!(*status & (1 << way)));

Definition at line 110 of file nsc_driver.c.

{
    T4REG_CMD_SET_SCRAMBLER setScramblerCmd;
 
    setScramblerCmd.cmdSelect = (enable) ? T4NSC_CMD_SET_SCRAMBLER_ENABLE : T4NSC_CMD_SET_SCRAMBLER_DISABLE;
 
    V2FFillRegisters(t4regs, T4REG_CMD_SET_SCRAMBLER, setScramblerCmd);
    V2FIssueCommand(t4regs);
}

nfc_set_dq_delay()

void nfc_set_dq_delay	(	int	channel,
		unsigned int	newValue
	)

Definition at line 78 of file nsc_driver.c.

{
    volatile unsigned int *ctrl0 = (volatile unsigned int *)XPAR_IODELAY_IF_0_BASEADDR;
    volatile iodelay_if *data0   = (volatile iodelay_if *)(XPAR_IODELAY_IF_0_BASEADDR + 0x8000);
    volatile unsigned int *ctrl1 = (volatile unsigned int *)XPAR_IODELAY_IF_0_BASEADDR;
    volatile iodelay_if *data1   = (volatile iodelay_if *)(XPAR_IODELAY_IF_0_BASEADDR + 0x8000);
 
    int i;
    if (channel < 4)
    {
        for (i = 0; i < 8; i++)
            data0->delayVal[channel * 8 + i] = newValue;
        ctrl0[1] = 1;
    }
    else
    {
        for (i = 0; i < 8; i++)
            data1->delayVal[(channel % 4) * 8 + i] = newValue;
        ctrl1[1] = 1;
    }
}

nfc_set_dqs_delay()

void nfc_set_dqs_delay	(	int	channel,
		unsigned int	newValue
	)

Definition at line 59 of file nsc_driver.c.

{
    volatile unsigned int *ctrl0 = (volatile unsigned int *)XPAR_IODELAY_IF_0_DQS_BASEADDR;
    volatile iodelay_if *data0   = (volatile iodelay_if *)(XPAR_IODELAY_IF_0_DQS_BASEADDR + 0x8000);
    volatile unsigned int *ctrl1 = (volatile unsigned int *)XPAR_IODELAY_IF_1_DQS_BASEADDR;
    volatile iodelay_if *data1   = (volatile iodelay_if *)(XPAR_IODELAY_IF_1_DQS_BASEADDR + 0x8000);
 
    if (channel < 4)
    {
        data0->delayVal[channel] = newValue;
        ctrl0[1]                 = 1;
    }
    else
    {
        data1->delayVal[channel % 4] = newValue;
        ctrl1[1]                     = 1;
    }
}

V2FGetReadyBusy()

void V2FGetReadyBusy	(	T4REGS *	t4regs,
		unsigned int *	report
	)

Definition at line 151 of file nsc_driver.c.

{
    T4REG_CMD_GET_READYBUSY getReadyBusyCmd;
 
    getReadyBusyCmd.cmdSelect     = T4NSC_CMD_GET_READYBUSY;
    getReadyBusyCmd.reserved      = 0;
    getReadyBusyCmd.reportAddress = (unsigned int)report;
 
    V2FFillRegisters(t4regs, T4REG_CMD_GET_READYBUSY, getReadyBusyCmd);
    V2FIssueCommand(t4regs);
}

V2FInitializeHandle()

void V2FInitializeHandle	(	T4REGS *	t4regs,
		void *	t4nscRegisterBaseAddress
	)

Definition at line 100 of file nsc_driver.c.

{
    t4regs->t4regID  = (T4REG_ID *)((unsigned int)t4nscRegisterBaseAddress + 0);
    t4regs->t4regCFG = (T4REG_CFG *)((unsigned int)t4nscRegisterBaseAddress + 0x1000);
    t4regs->t4regEXT = (T4REG_EXT *)((unsigned int)t4nscRegisterBaseAddress + 0x2000);
    t4regs->t4regCC  = (T4REG_CC *)((unsigned int)t4nscRegisterBaseAddress + 0x3000);
    t4regs->t4regBP  = (T4REG_BP *)((unsigned int)t4nscRegisterBaseAddress + 0x3800);
    t4regs->t4regSP  = (T4REG_SP *)((unsigned int)t4nscRegisterBaseAddress + 0x4000);
}

V2FReadIdAsync()

void V2FReadIdAsync	(	T4REGS *	t4regs,
		int	way,
		unsigned int *	statusReport,
		unsigned int *	completion
	)

Definition at line 316 of file nsc_driver.c.

{
    T4REG_CMD_READ_ID readIdCmd;
 
    readIdCmd.cmdSelect               = T4NSC_CMD_READ_ID;
    readIdCmd.waySelect               = 1 << way;
    readIdCmd.colAddress              = 0x0090;
    readIdCmd.length                  = 3;
    readIdCmd.reportAddress           = (unsigned int)statusReport;
    readIdCmd.completionReportAddress = (unsigned int)completion;
 
    while (V2FIsControllerBusy(t4regs))
        ;
    V2FFillRegisters(t4regs, T4REG_CMD_READ_ID, readIdCmd);
    V2FIssueCommand(t4regs);
}

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V2FReadIdSync()

void V2FReadIdSync	(	T4REGS *	t4regs,
		int	way,
		unsigned int *	statusReport
	)

Definition at line 333 of file nsc_driver.c.

{
    unsigned char buf[8] = {0};
    int i;
    for (i = 0; i < 8; i++)
        ((unsigned char *)statusReport)[i] = 0;
    unsigned int *completion = &statusReport[4];
    *completion              = 0;
    V2FReadIdAsync(t4regs, way, statusReport, completion);
    while (*completion == 0)
        ;
 
    for (i = 0; i < 6; i++)
        buf[i] = ((unsigned char *)statusReport)[i * 2];
    for (i = 0; i < 8; i++)
        ((unsigned char *)statusReport)[i] = buf[i];
}

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