bdk: fuse: add sense function

bdk/soc/fuse.c

@@ -22,6 +22,7 @@
 #include <mem/heap.h>
 #include <sec/se.h>
 #include <sec/se_t210.h>
+#include <soc/clock.h>
 #include <soc/fuse.h>
 #include <soc/hw_init.h>
 #include <soc/pmc.h>
@@ -173,6 +174,25 @@ void fuse_wait_idle()
 		;
 }
 
+void fuse_sense()
+{
+	clock_enable_fuse(false);
+
+	FUSE(FUSE_CTRL) = (FUSE(FUSE_CTRL) & (~FUSE_CMD_MASK)) | FUSE_SENSE;
+	usleep(1);
+
+	fuse_wait_idle();
+
+	FUSE(FUSE_PRIV2INTFC) = FUSE_PRIV2INTFC_SKIP_RECORDS | FUSE_PRIV2INTFC_START_DATA;
+	usleep(1);
+
+	while (!(FUSE(FUSE_CTRL) & BIT(30)) || ((FUSE(FUSE_CTRL) >> 16) & 0x1F) != FUSE_STATUS_IDLE)
+		;
+
+
+  	clock_enable_fuse(true);
+}
+
 u32 fuse_read(u32 addr)
 {
 	FUSE(FUSE_ADDR) = addr;

bdk/soc/fuse.h

@@ -316,6 +316,8 @@ u32  fuse_read_hw_state();
 u32  fuse_read_hw_type();
 int  fuse_set_sbk();
 void fuse_wait_idle();
+void fuse_sense();
+u32  fuse_read(u32 addr);
 int  fuse_read_ipatch(void (*ipatch)(u32 offset, u32 value));
 int  fuse_read_evp_thunk(u32 *iram_evp_thunks, u32 *iram_evp_thunks_len);
 void fuse_read_array(u32 *words);