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[v1.05][ARM] Add support to detect SoC from PCI (#245) with initial support for NVIDIA Tegra

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Dr-Noob
2024-07-03 07:59:37 +01:00
parent dfa2b773d1
commit 1b746bc67d
9 changed files with 291 additions and 4 deletions
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46
src/arm/soc.c
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@@ -8,6 +8,7 @@
#include "udev.h"
#include "uarch.h"
#include "../common/global.h"
#include "../common/pci.h"
#if defined(__APPLE__) || defined(__MACH__)
#include "sysctl.h"
@@ -834,6 +835,43 @@ struct system_on_chip* guess_soc_from_uarch(struct system_on_chip* soc, struct c
return soc;
}
struct system_on_chip* guess_soc_from_pci(struct system_on_chip* soc, struct cpuInfo* cpu) {
struct pci_devices * pci = get_pci_devices();
if (pci == NULL) {
printWarn("guess_soc_from_pci: Unable to find suitable PCI devices");
return soc;
}
typedef struct {
uint16_t vendor_id;
uint16_t device_id;
struct system_on_chip soc;
} pciToSoC;
pciToSoC socFromPCI[] = {
{PCI_VENDOR_NVIDIA, PCI_DEVICE_TEGRA_X1, {SOC_TEGRA_X1, SOC_VENDOR_NVIDIA, 20, "Tegra X1", NULL} },
// {PCI_VENDOR_NVIDIA, PCI_DEVICE_GH_200,{SOC_GH_200, SOC_VENDOR_NVIDIA, ?, "Grace Hopper", NULL} },
{0x0000, 0x0000, {UNKNOWN, SOC_VENDOR_UNKNOWN, -1, "", NULL} }
};
int index = 0;
while (socFromPCI[index].vendor_id != 0x0) {
for (int i=0; i < pci->num_devices; i++) {
struct pci_device * dev = pci->devices[i];
if (socFromPCI[index].vendor_id == dev->vendor_id &&
socFromPCI[index].device_id == dev->device_id) {
fill_soc(soc, socFromPCI[index].soc.soc_name, socFromPCI[index].soc.soc_model, socFromPCI[index].soc.process);
return soc;
}
}
index++;
}
printWarn("guess_soc_from_pci: No PCI device matched the list");
return soc;
}
int hex2int(char c) {
if (c >= '0' && c <= '9')
return c - '0';
@@ -1004,14 +1042,18 @@ struct system_on_chip* get_soc(struct cpuInfo* cpu) {
printWarn("SoC detection failed using Android: Found '%s' string", soc->raw_name);
}
#endif // ifdef __ANDROID__
// If cpufinfo/Android (if available) detection fails, try with nvmem
// If previous steps failed, try with nvmem
if(soc->soc_vendor == SOC_VENDOR_UNKNOWN) {
soc = guess_soc_from_nvmem(soc);
}
// If everything else failed, try infering it from the microarchitecture
// If previous steps failed, try infering it from the microarchitecture
if(soc->soc_vendor == SOC_VENDOR_UNKNOWN) {
soc = guess_soc_from_uarch(soc, cpu);
}
// If previous steps failed, try infering it from the pci device id
if(soc->soc_vendor == SOC_VENDOR_UNKNOWN) {
soc = guess_soc_from_pci(soc, cpu);
}
}
#elif defined __APPLE__ || __MACH__
soc = guess_soc_apple(soc);