[PATCH v3 14/15] mach-snapdragon: fetch serial# from SMEM

[Casey Connolly]

If available, otherwise fall back to cmdline. We call qcom_smem_init()
during board_init() so that it will be functional post-relocation
regardless of if SMEM was used pre-relocation.

Signed-off-by: Casey Connolly <casey.connolly at linaro.org>
---
 arch/arm/mach-snapdragon/board.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-snapdragon/board.c b/arch/arm/mach-snapdragon/board.c
index b87c12e102e1..4ef046942d82 100644
--- a/arch/arm/mach-snapdragon/board.c
+++ b/arch/arm/mach-snapdragon/board.c
@@ -31,8 +31,9 @@
 #include <fdt_support.h>
 #include <usb.h>
 #include <soc/qcom/smem.h>
 #include <sort.h>
+#include <soc/qcom/smem.h>
 #include <time.h>
 
 #include "qcom-priv.h"
 
@@ -200,8 +201,10 @@ void __weak qcom_board_init(void)
 
 int board_init(void)
 {
 	show_psci_version();
+	/* Initialise SMEM if it wasn't done already and ensure it's memory is mapped */
+	qcom_smem_init();
 	qcom_board_init();
 	return 0;
 }
 
@@ -251,11 +254,16 @@ static const char *get_cmdline(void)
 }
 
 void qcom_set_serialno(void)
 {
-	const char *cmdline = get_cmdline();
+	const char *cmdline;
 	char serial[32];
 
+	if (!qcom_socinfo_init())
+		return;
+
+	cmdline = get_cmdline();
+
 	if (!cmdline) {
 		log_debug("Failed to get bootargs\n");
 		return;
 	}

-- 
2.53.0