[U-Boot] [PATCH v2] rockchip: rk3399: Initialize CPU B clock.
Philipp Tomsich
philipp.tomsich at theobroma-systems.com
Fri Nov 30 19:34:41 UTC 2018
On 30.11.2018, at 20:32, Christoph Muellner <christoph.muellner at theobroma-systems.com> wrote:
>
> This patch sets the PLL of CPU cluster B (BPLL) to 600 MHz.
> This decreases the boot time of Linux 4.19 by about 8%.
>
> The 600 MHz are inspired by the 600 MHz used for LPLL initialization
> (came in with commit 9f636a249c1).
>
> Tested on RK3399-Q7 on Haikou base board.
>
> Changes since v1:
>
> * Set clk_core_b parent to BPLL instead of LPLL.
> Kudos to Mark Kettenis <mark.kettenis at xs4all.nl> for spotting this.
>
> Signed-off-by: Christoph Muellner <christoph.muellner at theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
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