3 files changed, 26 insertions, 5 deletions
diff --git a/arch/xtensa/kernel/perf_event.c b/arch/xtensa/kernel/perf_event.c
index a0d05c8598d0..183618090d05 100644
--- a/arch/xtensa/kernel/perf_event.c
+++ b/arch/xtensa/kernel/perf_event.c
@@ -13,17 +13,26 @@
 #include <linux/perf_event.h>
 #include <linux/platform_device.h>
 
+#include <asm/core.h>
 #include <asm/processor.h>
 #include <asm/stacktrace.h>
 
+#define XTENSA_HWVERSION_RG_2015_0	260000
+
+#if XCHAL_HW_MIN_VERSION >= XTENSA_HWVERSION_RG_2015_0
+#define XTENSA_PMU_ERI_BASE		0x00101000
+#else
+#define XTENSA_PMU_ERI_BASE		0x00001000
+#endif
+
 /* Global control/status for all perf counters */
-#define XTENSA_PMU_PMG			0x1000
+#define XTENSA_PMU_PMG			XTENSA_PMU_ERI_BASE
 /* Perf counter values */
-#define XTENSA_PMU_PM(i)		(0x1080 + (i) * 4)
+#define XTENSA_PMU_PM(i)		(XTENSA_PMU_ERI_BASE + 0x80 + (i) * 4)
 /* Perf counter control registers */
-#define XTENSA_PMU_PMCTRL(i)		(0x1100 + (i) * 4)
+#define XTENSA_PMU_PMCTRL(i)		(XTENSA_PMU_ERI_BASE + 0x100 + (i) * 4)
 /* Perf counter status registers */
-#define XTENSA_PMU_PMSTAT(i)		(0x1180 + (i) * 4)
+#define XTENSA_PMU_PMSTAT(i)		(XTENSA_PMU_ERI_BASE + 0x180 + (i) * 4)
 
 #define XTENSA_PMU_PMG_PMEN		0x1
 
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index aba3ff4e60d8..52d6e4870a04 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -311,6 +311,9 @@ void __init setup_arch(char **cmdline_p)
 
 	mem_reserve(__pa(_stext), __pa(_end));
 #ifdef CONFIG_XIP_KERNEL
+#ifdef CONFIG_VECTORS_ADDR
+	mem_reserve(__pa(_xip_text_start), __pa(_xip_text_end));
+#endif
 	mem_reserve(__pa(_xip_start), __pa(_xip_end));
 #endif
 
diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S
index c14fd96f459d..f47e9bbbd291 100644
--- a/arch/xtensa/kernel/vmlinux.lds.S
+++ b/arch/xtensa/kernel/vmlinux.lds.S
@@ -118,6 +118,7 @@ SECTIONS
     SECTION_VECTOR2 (.DoubleExceptionVector.text, DOUBLEEXC_VECTOR_VADDR)
 
     *(.exception.text)
+    *(.xiptext)
 #endif
 
     IRQENTRY_TEXT
@@ -201,6 +202,9 @@ SECTIONS
 		   .DebugInterruptVector.text);
     RELOCATE_ENTRY(_exception_text,
 		   .exception.text);
+#ifdef CONFIG_XIP_KERNEL
+    RELOCATE_ENTRY(_xip_text, .xiptext);
+#endif
 #endif
 #ifdef CONFIG_XIP_KERNEL
     RELOCATE_ENTRY(_xip_data, .data);
@@ -319,7 +323,12 @@ SECTIONS
 		  LAST)
 #undef LAST
 #define LAST .exception.text
-
+  SECTION_VECTOR4 (_xip_text,
+		  .xiptext,
+		  ,
+		  LAST)
+#undef LAST
+#define LAST .xiptext
 #endif
   . = (LOADADDR(LAST) + SIZEOF(LAST) + 3) & ~ 3;