From: Wenyou Yang <wenyou.yang@atmel.com>
Date: Tue, 8 Sep 2015 06:38:26 +0000 (+0800)
Subject: arm: at91: Change the Chip ID registers' addresses
X-Git-Tag: v2016.01-rc1~135
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=ce39680f7e560236213487ac6bf1baa66b6f74e3;p=oweals%2Fu-boot.git

arm: at91: Change the Chip ID registers' addresses

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>
---

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.
  */