diff --git a/src/hal/fh.c b/src/hal/fh.c
index a140daa..7a5b8c1 100644
--- a/src/hal/fh.c
+++ b/src/hal/fh.c
@@ -23,7 +23,7 @@ static sensor_addr_t fh_possible_i2c_addrs[] = {
 bool fh_detect_cpu(char *chip_name) {
 
     char buf[256];
-    uint32_t sysctrl, ipver, reg;
+    uint32_t sysctrl, ipver, chipinfo = 0, reg;
     unsigned int chip_id = 0;
 
     if (!line_from_file("/proc/cpuinfo", "Hardware.+: ([a-zA-Z0-9-]+)", buf,
@@ -96,7 +96,9 @@ bool fh_detect_cpu(char *chip_name) {
             }
             break;
         case 0x20031601:
-            switch (ipver & 0xc) {
+            /* mach-fh/fh_chipid.c reads the FH865x package from CHIP_INFO */
+            mem_reg(REG_PMU_CHIP_INFO, &chipinfo, OP_READ);
+            switch (chipinfo & 0xc) {
             case 0xc:
                 strcpy(chip_name, "FH8652");
                 break;
diff --git a/src/hal/fh.h b/src/hal/fh.h
index 6e95aed..887c0ec 100644
--- a/src/hal/fh.h
+++ b/src/hal/fh.h
@@ -8,6 +8,7 @@
 #define REG_PMU_IP_VER (PMU_REG_BASE + 0x0004)
 #define REG_PMU_FW_VER (PMU_REG_BASE + 0x0008)
 #define REG_PMU_SYS_CTRL (PMU_REG_BASE + 0x000c)
+#define REG_PMU_CHIP_INFO (PMU_REG_BASE + 0x033c)
 
 /* chip_generation for the parts hal/fh_padmux.c has a pad table for, and the
  * two it knows it has none for. "FH", the model, and a last nibble for the