From ce39680f7e560236213487ac6bf1baa66b6f74e3 Mon Sep 17 00:00:00 2001
From: Wenyou Yang <wenyou.yang@atmel.com>
Date: Tue, 8 Sep 2015 14:38:26 +0800
Subject: [PATCH] arm: at91: Change the Chip ID registers' addresses
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Provide the specific addresses for the Chip ID and Chip ID Extension
registers, instead of the offset, which make it use on other chips.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Andreas Bießmann <andreas.devel@googlemail.com>
---
 arch/arm/mach-at91/armv7/cpu.c             | 7 ++++---
 arch/arm/mach-at91/include/mach/at91_dbu.h | 4 ----
 arch/arm/mach-at91/include/mach/sama5d3.h  | 3 +++
 arch/arm/mach-at91/include/mach/sama5d4.h  | 3 +++
 4 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/arch/arm/mach-at91/armv7/cpu.c b/arch/arm/mach-at91/armv7/cpu.c
index 8d86f97e3d..7843aed813 100644
--- a/arch/arm/mach-at91/armv7/cpu.c
+++ b/arch/arm/mach-at91/armv7/cpu.c
@@ -12,7 +12,6 @@
 #include <common.h>
 #include <asm/io.h>
 #include <asm/arch/hardware.h>
-#include <asm/arch/at91_dbu.h>
 #include <asm/arch/at91_pmc.h>
 #include <asm/arch/at91_pit.h>
 #include <asm/arch/at91_gpbr.h>
@@ -65,12 +64,14 @@ void enable_caches(void)
 	dcache_enable();
 }
 
+#define ATMEL_CHIPID_CIDR_VERSION	0x1f
+
 unsigned int get_chip_id(void)
 {
-	return readl(ATMEL_BASE_DBGU + AT91_DBU_CIDR) & ~AT91_DBU_CIDR_MASK;
+	return readl(ATMEL_CHIPID_CIDR) & ~ATMEL_CHIPID_CIDR_VERSION;
 }
 
 unsigned int get_extension_chip_id(void)
 {
-	return readl(ATMEL_BASE_DBGU + AT91_DBU_EXID);
+	return readl(ATMEL_CHIPID_EXID);
 }
diff --git a/arch/arm/mach-at91/include/mach/at91_dbu.h b/arch/arm/mach-at91/include/mach/at91_dbu.h
index 7346fc0569..3181138322 100644
--- a/arch/arm/mach-at91/include/mach/at91_dbu.h
+++ b/arch/arm/mach-at91/include/mach/at91_dbu.h
@@ -35,8 +35,4 @@ typedef struct at91_dbu {
 #define AT91_DBU_CID_ARCH_9xx		0x01900000
 #define AT91_DBU_CID_ARCH_9XExx	0x02900000
 
-#define AT91_DBU_CIDR_MASK		0x1f
-#define AT91_DBU_CIDR			0x40
-#define AT91_DBU_EXID			0x44
-
 #endif
diff --git a/arch/arm/mach-at91/include/mach/sama5d3.h b/arch/arm/mach-at91/include/mach/sama5d3.h
index b749cb3359..33f6c97c11 100644
--- a/arch/arm/mach-at91/include/mach/sama5d3.h
+++ b/arch/arm/mach-at91/include/mach/sama5d3.h
@@ -158,6 +158,9 @@
 #define ATMEL_BASE_RTC		0xfffffeb0
 /* Reserved:	0xfffffee0 - 0xffffffff */
 
+#define ATMEL_CHIPID_CIDR	0xffffee40
+#define ATMEL_CHIPID_EXID	0xffffee44
+
 /*
  * Internal Memory.
  */
diff --git a/arch/arm/mach-at91/include/mach/sama5d4.h b/arch/arm/mach-at91/include/mach/sama5d4.h
index 7773ace439..3da8aff27e 100644
--- a/arch/arm/mach-at91/include/mach/sama5d4.h
+++ b/arch/arm/mach-at91/include/mach/sama5d4.h
@@ -144,6 +144,9 @@
 #define ATMEL_BASE_PIOE		0xfc06d000
 #define ATMEL_BASE_AIC		0xfc06e000
 
+#define ATMEL_CHIPID_CIDR	0xfc069040
+#define ATMEL_CHIPID_EXID	0xfc069044
+
 /*
  * Internal Memory.
  */
-- 
2.25.1