[U-Boot] [PATCH 6/7 v2] OMAP3: Add OMAP3 core changes for MUSB

Jean-Christophe PLAGNIOL-VILLARD
2009-02-22T15:59:40Z

On 19:55 Thu 12 Feb , Dirk Behme wrote:
> OMAP3 core changes necessary for MUSB
>
> Signed-off-by: Dirk Behme <dirk.behme@googlemail.com>
>
> ---
> Note: OMAP3 USB code will be sent later to USB maintainer, so
> CONFIG_MUSB isn't used anywhere yet. This will avoid
> USB maintainer to change OMAP3 core files.
>
> cpu/arm_cortexa8/omap3/clock.c | 5 +++++
> include/asm-arm/arch-omap3/cpu.h | 2 ++
> include/asm-arm/arch-omap3/omap3.h | 11 +++++++++++
> 3 files changed, 18 insertions(+)
>
> Index: u-boot-main/cpu/arm_cortexa8/omap3/clock.c
> ===================================================================
> --- u-boot-main.orig/cpu/arm_cortexa8/omap3/clock.c
> +++ u-boot-main/cpu/arm_cortexa8/omap3/clock.c
> @@ -377,5 +377,10 @@ void per_clocks_enable(void)
> sr32(&prcm_base->fclken_per, 0, 32, FCK_PER_ON);
> sr32(&prcm_base->iclken_per, 0, 32, ICK_PER_ON);
>
> +#ifdef CONFIG_MUSB
> + /* Enable the MUSB interface clock */
> + sr32(&prcm_base->iclken1_core, 4, 1, 0x1);
> +#endif
the design of u-boot is to enagle the IP only when he use it
so please do not enable the clock every time just when you want to use
(in the USB driver init)

Best Regards,
J.