[U-Boot] [PATCH 5/9] ARM: mx25: convert to common timer code

Benoît Thébaudeau
2013-09-08T23:56:51Z

Dear Rob Herring,

On Sunday, September 8, 2013 10:12:50 PM, Rob Herring wrote:
> From: Rob Herring <rob.herring@calxeda.com>
>
> Convert mx25 to use the commmon timer code.
>
> Signed-off-by: Rob Herring <rob.herring@calxeda.com>
> ---
[...]
> diff --git a/include/configs/mx25pdk.h b/include/configs/mx25pdk.h
> index ccd3b6c..568ed6c 100644
> --- a/include/configs/mx25pdk.h
> +++ b/include/configs/mx25pdk.h
> @@ -15,6 +15,9 @@
> #define CONFIG_SYS_TEXT_BASE 0x81200000
> #define CONFIG_MXC_GPIO
>
> +#define CONFIG_SYS_TIMER_RATE 32768
^
MXC_CLK32 could be used here.

> +#define CONFIG_SYS_TIMER_COUNTER (IMX_GPT1_BASE + 0x24)

This Linux-style (base + offset) register access is against U-Boot rules. You
could write:
(&((struct gpt_regs *)IMX_GPT1_BASE)->counter)

> +
> #define CONFIG_DISPLAY_CPUINFO
> #define CONFIG_DISPLAY_BOARDINFO
>
> diff --git a/include/configs/tx25.h b/include/configs/tx25.h
> index 2d7479b..f879441 100644
> --- a/include/configs/tx25.h
> +++ b/include/configs/tx25.h
> @@ -15,6 +15,8 @@
> */
> #define CONFIG_MX25
> #define CONFIG_MX25_CLK32 32000 /* OSC32K frequency */
> +#define CONFIG_SYS_TIMER_RATE CONFIG_MX25_CLK32

Ditto 1.

> +#define CONFIG_SYS_TIMER_COUNTER (IMX_GPT1_BASE + 0x24)

Ditto 2.

>
> #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* 256 kB for U-Boot */
>
> diff --git a/include/configs/zmx25.h b/include/configs/zmx25.h
> index 2e7f145..deaadfa 100644
> --- a/include/configs/zmx25.h
> +++ b/include/configs/zmx25.h
> @@ -14,6 +14,9 @@
> #define CONFIG_MX25
> #define CONFIG_SYS_TEXT_BASE 0xA0000000
>
> +#define CONFIG_SYS_TIMER_RATE 32768

Ditto 1.

> +#define CONFIG_SYS_TIMER_COUNTER (IMX_GPT1_BASE + 0x24)

Ditto 2.

> +
> #define CONFIG_MACH_TYPE MACH_TYPE_ZMX25
> /*
> * Environment settings

Best regards,
Beno?t