mirror of
https://github.com/slsdetectorgroup/slsDetectorPackage.git
synced 2025-04-30 09:50:06 +02:00
133 lines
4.0 KiB
C
133 lines
4.0 KiB
C
// SPDX-License-Identifier: LGPL-3.0-or-other
|
|
// Copyright (C) 2021 Contributors to the SLS Detector Package
|
|
#include "nios.h"
|
|
#include "RegisterDefs.h"
|
|
#include "clogger.h"
|
|
#include "common.h"
|
|
#include "sls/ansi.h"
|
|
#include "sls/sls_detector_defs.h"
|
|
|
|
#include <fcntl.h> // open
|
|
#include <sys/mman.h> // mmap
|
|
|
|
/* global variables */
|
|
u_int32_t *csp0base = 0;
|
|
#define CSP0 0x18060000
|
|
#define MEM_SIZE \
|
|
0x100000 // TODO (1804 0000 - 1804 07FF = 800 * 4 = 2000), (1806 0000 =
|
|
// 10000* 4 = 40000)
|
|
|
|
u_int32_t *csp1base = 0;
|
|
#define CSP1 0x18040000
|
|
|
|
void bus_w_csp1(u_int32_t offset, u_int32_t data) {
|
|
volatile u_int32_t *ptr1;
|
|
ptr1 = (u_int32_t *)(csp1base + offset / (sizeof(u_int32_t)));
|
|
*ptr1 = data;
|
|
}
|
|
|
|
u_int32_t bus_r_csp1(u_int32_t offset) {
|
|
volatile u_int32_t *ptr1;
|
|
ptr1 = (u_int32_t *)(csp1base + offset / (sizeof(u_int32_t)));
|
|
return *ptr1;
|
|
}
|
|
|
|
void bus_w(u_int32_t offset, u_int32_t data) {
|
|
volatile u_int32_t *ptr1;
|
|
ptr1 = (u_int32_t *)(csp0base + offset / (sizeof(u_int32_t)));
|
|
*ptr1 = data;
|
|
}
|
|
|
|
u_int32_t bus_r(u_int32_t offset) {
|
|
volatile u_int32_t *ptr1;
|
|
ptr1 = (u_int32_t *)(csp0base + offset / (sizeof(u_int32_t)));
|
|
return *ptr1;
|
|
}
|
|
|
|
int64_t get64BitReg(int aLSB, int aMSB) {
|
|
int64_t v64;
|
|
u_int32_t vLSB, vMSB;
|
|
vLSB = bus_r(aLSB);
|
|
vMSB = bus_r(aMSB);
|
|
v64 = vMSB;
|
|
v64 = (v64 << 32) | vLSB;
|
|
LOG(logDEBUG5, (" reg64(%x,%x) %x %x %llx\n", aLSB, aMSB, vLSB, vMSB,
|
|
(long long unsigned int)v64));
|
|
return v64;
|
|
}
|
|
|
|
int64_t set64BitReg(int64_t value, int aLSB, int aMSB) {
|
|
int64_t v64;
|
|
u_int32_t vLSB, vMSB;
|
|
if (value != -1) {
|
|
vLSB = value & (0xffffffff);
|
|
bus_w(aLSB, vLSB);
|
|
v64 = value >> 32;
|
|
vMSB = v64 & (0xffffffff);
|
|
bus_w(aMSB, vMSB);
|
|
}
|
|
return get64BitReg(aLSB, aMSB);
|
|
}
|
|
|
|
uint64_t getU64BitReg(int aLSB, int aMSB) {
|
|
uint64_t retval = bus_r(aMSB);
|
|
retval = (retval << 32) | bus_r(aLSB);
|
|
return retval;
|
|
}
|
|
|
|
void setU64BitReg(uint64_t value, int aLSB, int aMSB) {
|
|
bus_w(aLSB, value & (0xffffffff));
|
|
bus_w(aMSB, (value >> 32) & (0xffffffff));
|
|
}
|
|
|
|
u_int32_t readRegister(u_int32_t offset) { return bus_r(offset); }
|
|
|
|
u_int32_t writeRegister(u_int32_t offset, u_int32_t data) {
|
|
bus_w(offset, data);
|
|
return readRegister(offset);
|
|
}
|
|
|
|
int mapCSP0(void) {
|
|
u_int32_t csps[2] = {CSP0, CSP1};
|
|
u_int32_t **cspbases[2] = {&csp0base, &csp1base};
|
|
char names[2][10] = {"csp0base", "csp1base"};
|
|
|
|
for (int i = 0; i < 2; ++i) {
|
|
// if not mapped
|
|
if (*cspbases[i] == 0) {
|
|
LOG(logINFO, ("Mapping memory for %s\n", names[i]));
|
|
#ifdef VIRTUAL
|
|
*cspbases[i] = malloc(MEM_SIZE);
|
|
if (*cspbases[i] == NULL) {
|
|
LOG(logERROR,
|
|
("Could not allocate virtual memory for %s.\n", names[i]));
|
|
return FAIL;
|
|
}
|
|
LOG(logINFO, ("memory allocated for %s\n", names[i]));
|
|
#else
|
|
int fd = open("/dev/mem", O_RDWR | O_SYNC, 0);
|
|
if (fd == -1) {
|
|
LOG(logERROR, ("Can't find /dev/mem for %s\n", names[i]));
|
|
return FAIL;
|
|
}
|
|
LOG(logDEBUG1,
|
|
("/dev/mem opened for %s, (CSP:0x%x)\n", names[i], csps[i]));
|
|
*cspbases[i] =
|
|
(u_int32_t *)mmap(0, MEM_SIZE, PROT_READ | PROT_WRITE,
|
|
MAP_FILE | MAP_SHARED, fd, csps[i]);
|
|
if (*cspbases[i] == MAP_FAILED) {
|
|
LOG(logERROR, ("Can't map memmory area for %s\n", names[i]));
|
|
return FAIL;
|
|
}
|
|
#endif
|
|
LOG(logINFO, ("%s mapped from %p to %p,(CSP:0x%x) \n", names[i],
|
|
*cspbases[i], *cspbases[i] + MEM_SIZE, csps[i]));
|
|
// LOG(logINFO, ("Status Register: %08x\n", bus_r(STATUS_REG)));
|
|
} else
|
|
LOG(logINFO, ("Memory %s already mapped before\n", names[i]));
|
|
}
|
|
return OK;
|
|
}
|
|
|
|
u_int32_t *Nios_getBaseAddress() { return csp0base; }
|