arm: socfpga: Make the pinmux table const u8

Now that we're actually converting the QTS-generated header files,
we can even adjust their data types. A good candidate for this is
the pinmux table, where each entry can have value in the range of
0..3, but each element is declared as unsigned long. By changing
the type to u8, we can save over 600 Bytes from the SPL, so do it.
This patch also constifies the array.

Signed-off-by: Marek Vasut <marex@denx.de>

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 {

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

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;
 

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);

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 */

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 */