[FEATURE: #241] userspace/tools: add detection of LJD to wrs_version

Signed-off-by: Adam Wujek <dev_public@wujek.eu>

userspace/include/fpga_io.h

@@ -5,6 +5,9 @@
 
 /* Base addresses of all FPGA peripherals used in libwr */
 
+/* FPGA GPIO */
+#define FPGA_BASE_RT_GPIO      0x10300
+
 /* PPS Generator */
 #define FPGA_BASE_PPS_GEN      0x10500
 

userspace/tools/wrs_version.c

@@ -27,6 +27,7 @@
 #include <libwr/hwiu.h>
 #include <libwr/switch_hw.h>
 #include <libwr/wrs-msg.h>
+#include <fpga_io.h>
 #include "libsdbfs.h"
 
 #define SDBFS_NAME "/dev/mtd5ro"
@@ -39,6 +40,11 @@
 #define __GIT_USR__ "?"
 #endif
 
+/* TODO: Should be taken from generated files, but there are not present in
+ * WRS repo */
+#define GPIO_LJD_BOARD_DETECT	4
+#define GPIO_REG_PSR 		12
+
 
 void help(const char* pgrname)
 {
@@ -177,6 +183,8 @@ static void print_gw_info(void)
 /* Print everything in tagged format, for snmp parsing etc */
 static void wrsw_tagged_versions(void)
 {
+	int feature_ljd;
+
 	printf("software-version: %s\n", __GIT_VER__); /* see Makefile */
 	printf("bult-by: %s\n", __GIT_USR__); /* see Makefile */
 	printf("build-date: %s %s\n", __DATE__, __TIME__);
@@ -186,6 +194,9 @@ static void wrsw_tagged_versions(void)
 	printf("serial-number: %s\n", sdb_get("hw_info", "scb_serial"));
 	printf("scb-version: %s\n", sdb_get("scb_version", NULL));
 	print_gw_info(); /* This is already tagged */
+	feature_ljd =_fpga_readl(FPGA_BASE_RT_GPIO + GPIO_REG_PSR)
+		     & 1 << GPIO_LJD_BOARD_DETECT;
+	printf("features: %s\n", feature_ljd ? "LJD" : "");
 }
 
 /* remove dots from strings */