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FPGA version: DIE type and speed grade #705

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Jun 4, 2024
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FPGA version: DIE type and speed grade #705

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19 changes: 16 additions & 3 deletions platforms/nuttx/src/px4/microchip/mpfs/version/board_mcu_version.c
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Original file line number Diff line number Diff line change
Expand Up @@ -58,10 +58,11 @@
#define arraySize(a) (sizeof((a))/sizeof(((a)[0])))
#endif

#define HW_INFO_FPGA_PREFIX "FPGA: "
#define HW_INFO_FPGA_SUFFIX "%u.%u"

#define FPGA_VER_REGISTER 0x42000000
#define FPGA_DIE_TYPE_REGISTER 0x42000004
#define FPGA_SPEED_GRADE_REGISTER 0x42000008
#define MPFS_SYS_SERVICE_CR 0x37020050
#define MPFS_SYS_SERVICE_SR 0x37020054
#define MPFS_SYS_SERVICE_MAILBOX 0x37020800
Expand Down Expand Up @@ -281,12 +282,15 @@ int board_determine_hw_info(void)
struct system_version_s ver;
struct guid_s guid;
struct hw_info_s hwinfo;
char die_type_str[16];
orb_advert_t ver_str_pub = orb_advertise(ORB_ID(system_version_string), NULL);
orb_advert_t ver_pub = orb_advertise(ORB_ID(system_version), NULL);
orb_advert_t mfguid_pub = orb_advertise(ORB_ID(guid), NULL);
orb_advert_t hw_info_pub = orb_advertise(ORB_ID(hw_info), NULL);

uint32_t fpga_version = getreg32(FPGA_VER_REGISTER); // todo: replace eventually with device_boot_info
uint32_t fpga_die_type = getreg32(FPGA_DIE_TYPE_REGISTER);
uint32_t fpga_speed_grade = getreg32(FPGA_SPEED_GRADE_REGISTER);
uint64_t timestamp = hrt_absolute_time();

memset(&ver_str, 0, sizeof(ver_str));
Expand Down Expand Up @@ -324,11 +328,20 @@ int board_determine_hw_info(void)
strncpy(ver_str.bl_version, device_boot_info.bl_version, sizeof(ver_str.bl_version));
ver.bl_version = parse_tag_to_version(device_boot_info.bl_version);

/* FPGA DIE type/size (e.g. 95/160/250) */
if (fpga_die_type == 0) {
snprintf(die_type_str, sizeof(die_type_str), "Unknown DIE");

} else {
snprintf(die_type_str, sizeof(die_type_str), "MPFS%03d (SG %d)",
fpga_die_type, fpga_speed_grade);
}

/* FPGA version */

snprintf(fpga_info, sizeof(fpga_info),
HW_INFO_FPGA_PREFIX HW_INFO_FPGA_SUFFIX " (0x%04x)", fpga_version_major, fpga_version_minor,
getreg32(FPGA_VER_REGISTER));
HW_INFO_FPGA_SUFFIX " (0x%04x), %s", fpga_version_major, fpga_version_minor,
fpga_version, die_type_str);
strncpy(ver_str.component_version1, fpga_info, min(sizeof(ver_str.component_version1), sizeof(fpga_info)));
ver.component_version1 = fpga_version;

Expand Down
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