* [U-Boot] [PATCH] imx: mx27 implement get_cpu_rev
@ 2015-08-12 9:40 Peng Fan
2015-08-12 15:50 ` Stefano Babic
0 siblings, 1 reply; 3+ messages in thread
From: Peng Fan @ 2015-08-12 9:40 UTC (permalink / raw)
To: u-boot
Write a function named get_cpu_rev to make it support
runtime checking using "is_cpu_type(MXC_CPU_xx)".
Also introduce a macro MXC_CPU_MX27 with value 0x27.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
---
Note:
Based on https://patchwork.ozlabs.org/patch/505618/ to support runtime
check patch.
arch/arm/cpu/arm926ejs/mx27/generic.c | 6 ++++++
arch/arm/include/asm/arch-imx/cpu.h | 1 +
2 files changed, 7 insertions(+)
diff --git a/arch/arm/cpu/arm926ejs/mx27/generic.c b/arch/arm/cpu/arm926ejs/mx27/generic.c
index 5ee9f07..b713c84 100644
--- a/arch/arm/cpu/arm926ejs/mx27/generic.c
+++ b/arch/arm/cpu/arm926ejs/mx27/generic.c
@@ -12,6 +12,7 @@
#include <asm/arch/imx-regs.h>
#include <asm/arch/clock.h>
#include <asm/arch/gpio.h>
+#include <asm/imx-common/sys_proto.h>
#ifdef CONFIG_MXC_MMC
#include <asm/arch/mxcmmc.h>
#endif
@@ -159,6 +160,11 @@ unsigned int mxc_get_clock(enum mxc_clock clk)
}
+u32 get_cpu_rev(void)
+{
+ return MXC_CPU_MX27 << 12;
+}
+
#if defined(CONFIG_DISPLAY_CPUINFO)
int print_cpuinfo (void)
{
diff --git a/arch/arm/include/asm/arch-imx/cpu.h b/arch/arm/include/asm/arch-imx/cpu.h
index 71208aa..be13b96 100644
--- a/arch/arm/include/asm/arch-imx/cpu.h
+++ b/arch/arm/include/asm/arch-imx/cpu.h
@@ -6,6 +6,7 @@
#define MXC_CPU_MX23 0x23
#define MXC_CPU_MX25 0x25
+#define MXC_CPU_MX27 0x27
#define MXC_CPU_MX28 0x28
#define MXC_CPU_MX31 0x31
#define MXC_CPU_MX35 0x35
--
1.8.4
^ permalink raw reply related [flat|nested] 3+ messages in thread* [U-Boot] [PATCH] imx: mx27 implement get_cpu_rev
2015-08-12 9:40 [U-Boot] [PATCH] imx: mx27 implement get_cpu_rev Peng Fan
@ 2015-08-12 15:50 ` Stefano Babic
2015-08-13 0:24 ` Peng Fan
0 siblings, 1 reply; 3+ messages in thread
From: Stefano Babic @ 2015-08-12 15:50 UTC (permalink / raw)
To: u-boot
On 12/08/2015 11:40, Peng Fan wrote:
> Write a function named get_cpu_rev to make it support
> runtime checking using "is_cpu_type(MXC_CPU_xx)".
>
> Also introduce a macro MXC_CPU_MX27 with value 0x27.
>
> Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
> Cc: Stefano Babic <sbabic@denx.de>
> ---
>
> Note:
> Based on https://patchwork.ozlabs.org/patch/505618/ to support runtime
> check patch.
>
> arch/arm/cpu/arm926ejs/mx27/generic.c | 6 ++++++
> arch/arm/include/asm/arch-imx/cpu.h | 1 +
> 2 files changed, 7 insertions(+)
>
> diff --git a/arch/arm/cpu/arm926ejs/mx27/generic.c b/arch/arm/cpu/arm926ejs/mx27/generic.c
> index 5ee9f07..b713c84 100644
> --- a/arch/arm/cpu/arm926ejs/mx27/generic.c
> +++ b/arch/arm/cpu/arm926ejs/mx27/generic.c
> @@ -12,6 +12,7 @@
> #include <asm/arch/imx-regs.h>
> #include <asm/arch/clock.h>
> #include <asm/arch/gpio.h>
> +#include <asm/imx-common/sys_proto.h>
> #ifdef CONFIG_MXC_MMC
> #include <asm/arch/mxcmmc.h>
> #endif
> @@ -159,6 +160,11 @@ unsigned int mxc_get_clock(enum mxc_clock clk)
> }
>
>
> +u32 get_cpu_rev(void)
> +{
> + return MXC_CPU_MX27 << 12;
> +}
> +
> #if defined(CONFIG_DISPLAY_CPUINFO)
> int print_cpuinfo (void)
> {
> diff --git a/arch/arm/include/asm/arch-imx/cpu.h b/arch/arm/include/asm/arch-imx/cpu.h
> index 71208aa..be13b96 100644
> --- a/arch/arm/include/asm/arch-imx/cpu.h
> +++ b/arch/arm/include/asm/arch-imx/cpu.h
> @@ -6,6 +6,7 @@
>
> #define MXC_CPU_MX23 0x23
> #define MXC_CPU_MX25 0x25
> +#define MXC_CPU_MX27 0x27
> #define MXC_CPU_MX28 0x28
> #define MXC_CPU_MX31 0x31
> #define MXC_CPU_MX35 0x35
>
Reviewed-by: Stefano Babic <sbabic@denx.de>
Peng, because a repost for your MX2/MX3 series is needed, can you add
this one to that series ? Thanks !
Best regards,
Stefano Babic
--
=====================================================================
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de
=====================================================================
^ permalink raw reply [flat|nested] 3+ messages in thread* [U-Boot] [PATCH] imx: mx27 implement get_cpu_rev
2015-08-12 15:50 ` Stefano Babic
@ 2015-08-13 0:24 ` Peng Fan
0 siblings, 0 replies; 3+ messages in thread
From: Peng Fan @ 2015-08-13 0:24 UTC (permalink / raw)
To: u-boot
Hi Stefano,
On Wed, Aug 12, 2015 at 05:50:36PM +0200, Stefano Babic wrote:
>On 12/08/2015 11:40, Peng Fan wrote:
>> Write a function named get_cpu_rev to make it support
>> runtime checking using "is_cpu_type(MXC_CPU_xx)".
>>
>> Also introduce a macro MXC_CPU_MX27 with value 0x27.
>>
>> Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
>> Cc: Stefano Babic <sbabic@denx.de>
>> ---
>>
>> Note:
>> Based on https://patchwork.ozlabs.org/patch/505618/ to support runtime
>> check patch.
>>
>> arch/arm/cpu/arm926ejs/mx27/generic.c | 6 ++++++
>> arch/arm/include/asm/arch-imx/cpu.h | 1 +
>> 2 files changed, 7 insertions(+)
>>
>> diff --git a/arch/arm/cpu/arm926ejs/mx27/generic.c b/arch/arm/cpu/arm926ejs/mx27/generic.c
>> index 5ee9f07..b713c84 100644
>> --- a/arch/arm/cpu/arm926ejs/mx27/generic.c
>> +++ b/arch/arm/cpu/arm926ejs/mx27/generic.c
>> @@ -12,6 +12,7 @@
>> #include <asm/arch/imx-regs.h>
>> #include <asm/arch/clock.h>
>> #include <asm/arch/gpio.h>
>> +#include <asm/imx-common/sys_proto.h>
>> #ifdef CONFIG_MXC_MMC
>> #include <asm/arch/mxcmmc.h>
>> #endif
>> @@ -159,6 +160,11 @@ unsigned int mxc_get_clock(enum mxc_clock clk)
>> }
>>
>>
>> +u32 get_cpu_rev(void)
>> +{
>> + return MXC_CPU_MX27 << 12;
>> +}
>> +
>> #if defined(CONFIG_DISPLAY_CPUINFO)
>> int print_cpuinfo (void)
>> {
>> diff --git a/arch/arm/include/asm/arch-imx/cpu.h b/arch/arm/include/asm/arch-imx/cpu.h
>> index 71208aa..be13b96 100644
>> --- a/arch/arm/include/asm/arch-imx/cpu.h
>> +++ b/arch/arm/include/asm/arch-imx/cpu.h
>> @@ -6,6 +6,7 @@
>>
>> #define MXC_CPU_MX23 0x23
>> #define MXC_CPU_MX25 0x25
>> +#define MXC_CPU_MX27 0x27
>> #define MXC_CPU_MX28 0x28
>> #define MXC_CPU_MX31 0x31
>> #define MXC_CPU_MX35 0x35
>>
>
>Reviewed-by: Stefano Babic <sbabic@denx.de>
>
>Peng, because a repost for your MX2/MX3 series is needed, can you add
>this one to that series ? Thanks !
Ok. I'll repost this one to that series.
Regards,
Peng.
>
>Best regards,
>Stefano Babic
>
>--
>=====================================================================
>DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
>HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
>Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de
>=====================================================================
--
^ permalink raw reply [flat|nested] 3+ messages in thread
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2015-08-12 9:40 [U-Boot] [PATCH] imx: mx27 implement get_cpu_rev Peng Fan
2015-08-12 15:50 ` Stefano Babic
2015-08-13 0:24 ` Peng Fan
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