[PATCH 2/8] ARM/Samsung: adapt the generic timer driver to support the S3C6410 SoC
Juergen Beisert
jbe at pengutronix.de
Sat Jul 28 11:29:47 EDT 2012
Hi Alexey,
Juergen Beisert wrote:
> The S3C64XX SoC has a real 32 bit counter, but almost the same style of
> registers. It's enough to change the parameters, to get the routines work
> on this SoC.
>
> TODO: what about the S5P SoCs?
>
> Signed-off-by: Juergen Beisert <jbe at pengutronix.de>
> ---
> arch/arm/mach-samsung/s3c-timer.c | 17 +++++++++++++----
> 1 file changed, 13 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm/mach-samsung/s3c-timer.c b/arch/arm/mach-samsung/s3c-timer.c
> index 6665c8c..271f97d 100644
> --- a/arch/arm/mach-samsung/s3c-timer.c
> +++ b/arch/arm/mach-samsung/s3c-timer.c
> @@ -37,11 +37,20 @@
> #define S3C_TCNTB4 (S3C_TIMER_BASE + 0x3c)
> #define S3C_TCNTO4 (S3C_TIMER_BASE + 0x40)
>
> -#define TIMER_WIDTH 16
> -#define TIMER_SHIFT 10
> -#define PRE_MUX 3
> -#define PRE_MUX_ADD 1
> +#ifdef CONFIG_ARCH_S3C24xx
> +# define TIMER_WIDTH 16
> +# define TIMER_SHIFT 10
> +# define PRE_MUX 3
> +# define PRE_MUX_ADD 1
> static const uint32_t max = 0x0000ffff;
> +#endif
> +#ifdef CONFIG_ARCH_S3C64xx
> +# define TIMER_WIDTH 32
> +# define TIMER_SHIFT 10
> +# define PRE_MUX 4
> +# define PRE_MUX_ADD 0
> +static const uint32_t max = ~0;
> +#endif
>
> static void s3c_init_t4_clk_source(void)
> {
Can you please check this patch on your S5P-SoC? I guess your SoC should work
like the S3C64xx variant, but I'm not sure.
Regards,
Juergen
--
Pengutronix e.K. | Juergen Beisert |
Linux Solutions for Science and Industry | http://www.pengutronix.de/ |
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