diff --git a/arch/arm/mach-socfpga/include/mach/system_manager.h b/arch/arm/mach-socfpga/include/mach/system_manager.h
index 46af30b640e009c60b6f3de09cff921506b868ac..8712f8ea117cc249052342f0808eacef9022c382 100644
--- a/arch/arm/mach-socfpga/include/mach/system_manager.h
+++ b/arch/arm/mach-socfpga/include/mach/system_manager.h
@@ -12,8 +12,7 @@
 void sysmgr_pinmux_init(void);
 void sysmgr_config_warmrstcfgio(int enable);
 
-void sysmgr_get_pinmux_table(const unsigned long **table,
-			     unsigned int *table_len);
+void sysmgr_get_pinmux_table(const u8 **table, unsigned int *table_len);
 #endif
 
 struct socfpga_system_manager {
diff --git a/arch/arm/mach-socfpga/qts-filter.sh b/arch/arm/mach-socfpga/qts-filter.sh
index 16d3a2ac0c09e2107e7ee55f06286bc5e0f13df6..c1640bc32a925f7f18a61951ceaa031878cd22e5 100755
--- a/arch/arm/mach-socfpga/qts-filter.sh
+++ b/arch/arm/mach-socfpga/qts-filter.sh
@@ -66,7 +66,7 @@ process_pinmux_config() {
 EOF
 
 	# Retrieve the pinmux config and zap the ad-hoc length encoding
-	sed -n '/^unsigned/ !b; :next {/^unsigned/ s/\[.*\]/[]/;p;n;b next}' \
+	sed -n '/^unsigned/ !b; :next {/^unsigned/ {s/\[.*\]/[]/;s/unsigned long/const u8/};p;n;b next}' \
 		${in_dir}/generated/pinmux_config_${soc}.c
 
 	cat << EOF
diff --git a/arch/arm/mach-socfpga/system_manager.c b/arch/arm/mach-socfpga/system_manager.c
index 744ec326b49ee679a39d7ccf6d4bde36ed6c8246..75a65f3e62369cec486bf70549a15592b8dcceb6 100644
--- a/arch/arm/mach-socfpga/system_manager.c
+++ b/arch/arm/mach-socfpga/system_manager.c
@@ -57,7 +57,7 @@ static void populate_sysmgr_fpgaintf_module(void)
 void sysmgr_pinmux_init(void)
 {
 	uint32_t regs = (uint32_t)&sysmgr_regs->emacio[0];
-	const unsigned long *sys_mgr_init_table;
+	const u8 *sys_mgr_init_table;
 	unsigned int len;
 	int i;
 
diff --git a/arch/arm/mach-socfpga/wrap_pinmux_config.c b/arch/arm/mach-socfpga/wrap_pinmux_config.c
index bcb77814430db5238799de5a1f50cd0746d8b441..a12f0b32a4f6e9add19df67cb770969d22d9709f 100644
--- a/arch/arm/mach-socfpga/wrap_pinmux_config.c
+++ b/arch/arm/mach-socfpga/wrap_pinmux_config.c
@@ -10,8 +10,7 @@
 /* Board-specific header. */
 #include <qts/pinmux_config.h>
 
-void sysmgr_get_pinmux_table(const unsigned long **table,
-			     unsigned int *table_len)
+void sysmgr_get_pinmux_table(const u8 **table, unsigned int *table_len)
 {
 	*table = sys_mgr_init_table;
 	*table_len = ARRAY_SIZE(sys_mgr_init_table);
diff --git a/board/altera/arria5-socdk/qts/pinmux_config.h b/board/altera/arria5-socdk/qts/pinmux_config.h
index 5a714a37831262f190ff87ed43fcd73a2f75ea59..069d492d52160e26d9d920f38ca70a99ba136ecb 100644
--- a/board/altera/arria5-socdk/qts/pinmux_config.h
+++ b/board/altera/arria5-socdk/qts/pinmux_config.h
@@ -7,7 +7,7 @@
 #ifndef __SOCFPGA_PINMUX_CONFIG_H__
 #define __SOCFPGA_PINMUX_CONFIG_H__
 
-unsigned long sys_mgr_init_table[] = {
+const u8 sys_mgr_init_table[] = {
 	0, /* EMACIO0 */
 	2, /* EMACIO1 */
 	2, /* EMACIO2 */
diff --git a/board/altera/cyclone5-socdk/qts/pinmux_config.h b/board/altera/cyclone5-socdk/qts/pinmux_config.h
index aa282e1705356dc634b3591368e0a3c4c5d57de9..33cf1fdb64e116f3b4035d0397b3ddacda2de6eb 100644
--- a/board/altera/cyclone5-socdk/qts/pinmux_config.h
+++ b/board/altera/cyclone5-socdk/qts/pinmux_config.h
@@ -7,7 +7,7 @@
 #ifndef __SOCFPGA_PINMUX_CONFIG_H__
 #define __SOCFPGA_PINMUX_CONFIG_H__
 
-unsigned long sys_mgr_init_table[] = {
+const u8 sys_mgr_init_table[] = {
 	3, /* EMACIO0 */
 	3, /* EMACIO1 */
 	3, /* EMACIO2 */