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| author | Wenyou Yang <wenyou.yang@atmel.com> | 2015-09-08 14:38:26 +0800 |
|---|---|---|
| committer | Andreas Bießmann <andreas.devel@googlemail.com> | 2015-11-03 14:21:30 +0100 |
| commit | ce39680f7e560236213487ac6bf1baa66b6f74e3 (patch) | |
| tree | df3cdd55b8003ad8710bdbf4955d0a81a76cda65 /arch/arm | |
| parent | 96d59e9d6aa74e35c63dc74da10e41f8ba0f6de4 (diff) | |
| download | talos-obmc-uboot-ce39680f7e560236213487ac6bf1baa66b6f74e3.tar.gz talos-obmc-uboot-ce39680f7e560236213487ac6bf1baa66b6f74e3.zip | |
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>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-at91/armv7/cpu.c | 7 | ||||
| -rw-r--r-- | arch/arm/mach-at91/include/mach/at91_dbu.h | 4 | ||||
| -rw-r--r-- | arch/arm/mach-at91/include/mach/sama5d3.h | 3 | ||||
| -rw-r--r-- | 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. */ |
