--- zzzz-none-000/linux-4.1.52/arch/arm/include/asm/io.h	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/arch/arm/include/asm/io.h	2022-03-02 11:37:12.000000000 +0000
@@ -131,6 +131,9 @@
 #define MT_DEVICE_NONSHARED	1
 #define MT_DEVICE_CACHED	2
 #define MT_DEVICE_WC		3
+#if defined(CONFIG_BCM_KF_ARM_BCM963XX) && defined(CONFIG_PLAT_BCM63XX_ACP)
+#define MT_DEVICE_NONSECURED	15
+#endif /* CONFIG_BCM_KF_ARM_BCM963XX && CONFIG_PLAT_BCM63XX_ACP */
 /*
  * types 4 onwards can be found in asm/mach/map.h and are undefined
  * for ioremap
@@ -336,6 +339,9 @@
 #define ioremap_nocache(cookie,size)	__arm_ioremap((cookie), (size), MT_DEVICE)
 #define ioremap_cache(cookie,size)	__arm_ioremap((cookie), (size), MT_DEVICE_CACHED)
 #define ioremap_wc(cookie,size)		__arm_ioremap((cookie), (size), MT_DEVICE_WC)
+#if defined(CONFIG_BCM_KF_ARM_BCM963XX) && defined(CONFIG_PLAT_BCM63XX_ACP)
+#define ioremap_nonsecured(cookie,size)	__arm_ioremap((cookie), (size), MT_DEVICE_NONSECURED)
+#endif /* CONFIG_BCM_KF_ARM_BCM963XX && CONFIG_PLAT_BCM63XX_ACP */
 #define iounmap				__arm_iounmap
 
 /*