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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>
This commit is contained in:
Wenyou Yang 2015-09-08 14:38:26 +08:00 committed by Andreas Bießmann
parent 96d59e9d6a
commit ce39680f7e
4 changed files with 10 additions and 7 deletions
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7
arch/arm/mach-at91/armv7/cpu.c
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@ -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);
}

4
arch/arm/mach-at91/include/mach/at91_dbu.h
View File

@ -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

3
arch/arm/mach-at91/include/mach/sama5d3.h
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@ -158,6 +158,9 @@
#define ATMEL_BASE_RTC 0xfffffeb0
/* Reserved: 0xfffffee0 - 0xffffffff */
#define ATMEL_CHIPID_CIDR 0xffffee40
#define ATMEL_CHIPID_EXID 0xffffee44
/*
* Internal Memory.
*/

3
arch/arm/mach-at91/include/mach/sama5d4.h
View File

@ -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.
*/