allwinner: Constify data structures
This maximizes the amount of data protected by the MMU.
Signed-off-by: Samuel Holland <samuel@sholland.org>
diff --git a/plat/allwinner/common/sunxi_common.c b/plat/allwinner/common/sunxi_common.c
index 6bb8968..3b44aab 100644
--- a/plat/allwinner/common/sunxi_common.c
+++ b/plat/allwinner/common/sunxi_common.c
@@ -18,7 +18,7 @@
#include <sunxi_mmap.h>
#include <sunxi_private.h>
-static mmap_region_t sunxi_mmap[PLATFORM_MMAP_REGIONS + 1] = {
+static const mmap_region_t sunxi_mmap[PLATFORM_MMAP_REGIONS + 1] = {
MAP_REGION_FLAT(SUNXI_SRAM_BASE, SUNXI_SRAM_SIZE,
MT_MEMORY | MT_RW | MT_SECURE),
MAP_REGION_FLAT(SUNXI_DEV_BASE, SUNXI_DEV_SIZE,
diff --git a/plat/allwinner/common/sunxi_topology.c b/plat/allwinner/common/sunxi_topology.c
index 7acc77a..45be1e0 100644
--- a/plat/allwinner/common/sunxi_topology.c
+++ b/plat/allwinner/common/sunxi_topology.c
@@ -9,7 +9,7 @@
#include <arch.h>
#include <plat/common/platform.h>
-static unsigned char plat_power_domain_tree_desc[PLAT_MAX_PWR_LVL + 1] = {
+static const unsigned char plat_power_domain_tree_desc[PLAT_MAX_PWR_LVL + 1] = {
/* One root node for the SoC */
1,
/* One node for each cluster */
diff --git a/plat/allwinner/sun50i_a64/sunxi_power.c b/plat/allwinner/sun50i_a64/sunxi_power.c
index 706bfce..b4d16a0 100644
--- a/plat/allwinner/sun50i_a64/sunxi_power.c
+++ b/plat/allwinner/sun50i_a64/sunxi_power.c
@@ -175,7 +175,7 @@
#define NO_SPLIT 0xff
-struct axp_regulator {
+static const struct axp_regulator {
char *dt_name;
uint16_t min_volt;
uint16_t max_volt;
@@ -247,7 +247,7 @@
for (node = fdt_first_subnode(fdt, node);
node != -FDT_ERR_NOTFOUND;
node = fdt_next_subnode(fdt, node)) {
- struct axp_regulator *reg;
+ const struct axp_regulator *reg;
const char *name;
int length;