MitySOMAM57Version.h

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#ifndef MITYSOMAM57VERSION_H
#define MITYSOMAM57VERSION_H
 
#include <libfpga/fpgaregister.h>
#include "StatusReporter/StatusReporter.h"
#include <string>
 
typedef union corever0 {
    struct bits0 {
        unsigned int core_id : 8; /* Core ID 0xF0-0xFF are reserved for customers */
        unsigned int vector  : 5; /* interrupt vector level */
        unsigned int level   : 1; /* interrupt level */
        unsigned int FIFO_no : 2; /* = 00 */
    } bits;
    uint16_t word;
} corever0;
 
typedef union corever1 {
    struct bits1 {
        unsigned int minor    : 4; /* minor revision */
        unsigned int major    : 4; /* major revision */
        unsigned int year     : 5; /* years since 2000 */
        unsigned int reserved : 1; /* not used */
        unsigned int FIFO_no  : 2; /* = 01 */
    } bits;
    uint16_t word;
} corever1;
 
typedef union corever2 {
    struct bits2 {
        unsigned int day       : 5; /* minor revision */
        unsigned int reserved  : 3; /* not used */
        unsigned int month     : 4; /* major revision */
        unsigned int reserved1 : 2; /* not used */
        unsigned int FIFO_no   : 2; /* = 10 */
    } bits;
    uint16_t word;
} corever2;
 
typedef union corever3 {
    struct bits3 {
        unsigned int reserved1 : 14; /* not used */
        unsigned int FIFO_no   : 2; /* = 10 */
    } bits;
    uint16_t word;
} corever3;
 
struct coreversion {
    corever0 ver0;
    corever1 ver1;
    corever2 ver2;
    corever3 ver3;
};
 
namespace MitySOMAM57XUtils {
 
#define FPGA_BASE_ADDR 0x66000000 /* ARM side interface, CS5 */
#define FPGA_CORE_SIZE 0x80       /* Core address region */
#define FPGA_BASEMODULE_OFFSET  0
#define FPGA_BASEYEAR 2000
 
    template <class T>
    int read_core_version(T& regs, struct coreversion* pdata)
    {
        int      i;
        corever0 ver;
        int      found = 0;
        int      rv = -1;
        
        for (i = 0; i < 4; i++)
        {
            ver.word = regs[0];
            switch(ver.bits.FIFO_no)
            {
            case 0:
                pdata->ver0.word = ver.word;
                break;
            case 1:
                pdata->ver1.word = ver.word;
                break;
            case 2:
                pdata->ver2.word = ver.word;
                break;
            case 3:
                pdata->ver3.word = ver.word;
                break;
            }
            found |= (1<<ver.bits.FIFO_no);
        }
        if (found == 0x0F)
            rv = 0;
        return rv;
    }
 
    void DumpVersion(std::string pretext, struct coreversion* pdata)
    {
        UpdateStatus("%s Version %02d.%02d, %04d-%04d-%02d", pretext.c_str(), pdata->ver1.bits.major,
                     pdata->ver1.bits.minor, FPGA_BASEYEAR+pdata->ver1.bits.year,
                     pdata->ver2.bits.month, pdata->ver2.bits.day);
    }
};
 
#endif // MITYSOMAM57VERSION_H