Skip to content

S
Simple PCIe FMC carrier SPEC - Software
Commit 182e30e7 authored by Federico Vaga's avatar Federico Vaga
Browse files
Options

Add support for SPEC 100T version

parents 0598de40 83d3fa57
Hide whitespace changes
Inline Side-by-side
Showing with 40 additions and 9 deletions
kernel/spec-pci.c
View file @ 182e30e7
......@@ -27,12 +27,30 @@
#include "spec.h"
#include "loader-ll.h"
char *spec_fw_name = "fmc/spec-init.bin";
static char *spec_fw_name_45t = "fmc/spec-init.bin";
static char *spec_fw_name_100t = "fmc/spec-init-100T.bin";
char *spec_fw_name = "";
module_param_named(fw_name, spec_fw_name, charp, 0444);
int spec_use_msi = 0;
module_param_named(use_msi, spec_use_msi, int, 0444);
/**
* According to the PCI device ID, load different golden
*/
static char *spec_golden_name_get(unsigned int device_id)
{
if (strlen(spec_fw_name) > 0)
return spec_fw_name;
switch (device_id) {
case PCI_DEVICE_ID_SPEC_45T:
return spec_fw_name_45t;
case PCI_DEVICE_ID_SPEC_100T:
return spec_fw_name_100t;
}
return NULL;
}
/* Load the FPGA. This bases on loader-ll.c, a kernel/user space thing */
int spec_load_fpga(struct spec_dev *spec, const void *data, int size)
{
......@@ -76,6 +94,11 @@ int spec_load_fpga_file(struct spec_dev *spec, char *name)
const struct firmware *fw;
int err = 0;
if (!name) {
dev_err(dev, "You must provide a golden binary\n");
return -EINVAL;
}
err = request_firmware(&fw, name, dev);
if (err < 0) {
dev_err(dev, "request firmware \"%s\": error %i\n", name, err);
......@@ -97,7 +120,8 @@ static int spec_reconfigure(struct spec_dev *spec, struct fmc_gateware *gw)
spec_fmc_destroy(spec);
/* Load the golden FPGA binary to read the eeprom */
ret = spec_load_fpga_file(spec, spec_fw_name);
ret = spec_load_fpga_file(spec,
spec_golden_name_get(spec->pdev->device));
if (ret)
return ret;
......@@ -171,7 +195,7 @@ static void spec_destroy_misc_device(struct spec_dev *spec)
/* * * * * * END MISC DEVICE * * * * */
static int spec_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
const struct pci_device_id *id)
{
struct spec_dev *spec;
int i, ret;
......@@ -284,7 +308,8 @@ static void spec_remove(struct pci_dev *pdev)
DEFINE_PCI_DEVICE_TABLE(spec_idtable) = {
{ PCI_DEVICE(PCI_VENDOR_ID_CERN, PCI_DEVICE_ID_SPEC) },
{ PCI_DEVICE(PCI_VENDOR_ID_CERN, PCI_DEVICE_ID_SPEC_45T) },
{ PCI_DEVICE(PCI_VENDOR_ID_CERN, PCI_DEVICE_ID_SPEC_100T) },
{ PCI_DEVICE(PCI_VENDOR_ID_GENNUM, PCI_DEVICE_ID_GN4124) },
{ 0,},
};
......
kernel/spec.h
View file @ 182e30e7
......@@ -17,9 +17,10 @@
#include <linux/gpio.h>
#define PCI_VENDOR_ID_CERN 0x10dc
#define PCI_DEVICE_ID_SPEC 0x018d
#define PCI_DEVICE_ID_SPEC_45T 0x018d
#define PCI_DEVICE_ID_SPEC_100T 0x01a2
#define PCI_VENDOR_ID_GENNUM 0x1a39
#define PCI_DEVICE_ID_GN4124 0x0004
#define PCI_DEVICE_ID_GN4124 0x0004
#define SPEC_DEFAULT_LM32_ADDR 0x80000 /* used if "1" is passed */
......
tools/speclib.c
View file @ 182e30e7
......@@ -67,9 +67,10 @@ static int spec_check_id(int bus, int dev)
fscanf(f, "%x", &vendor);
fclose(f);
if (device== PCI_DEVICE_ID_SPEC && vendor== PCI_VENDOR_ID_CERN)
if (vendor== PCI_VENDOR_ID_CERN && device== PCI_DEVICE_ID_SPEC_45T)
return 1;
if (vendor== PCI_VENDOR_ID_CERN && device== PCI_DEVICE_ID_SPEC_100T)
return 1;
if (device== PCI_DEVICE_ID_GN4124 && vendor== PCI_VENDOR_ID_GENNUM)
return 1;
......
tools/speclib.h
View file @ 182e30e7
......@@ -5,10 +5,14 @@
/* Vendor/Device ID to identify the SPEC */
#define PCI_VENDOR_ID_CERN 0x10dc
#define PCI_DEVICE_ID_SPEC 0x018d
#define PCI_DEVICE_ID_SPEC_45T 0x018d
#define PCI_DEVICE_ID_SPEC_100T 0x01a2
#define PCI_VENDOR_ID_GENNUM 0x1a39
#define PCI_DEVICE_ID_GN4124 0x0004
/* For compatibility */
#define PCI_DEVICE_ID_SPEC PCI_DEVICE_ID_SPEC_45T
/* 'Opens' the SPEC card at PCI bus [bus], device/function [dev].
Returns a handle to the card or NULL in case of failure. */
void *spec_open(int bus, int dev);
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment