[U-Boot] [PATCH v2] rockchip: sdram: Fix register layout for Linux
Tom Rini
trini at konsulko.com
Fri Jul 15 19:14:04 CEST 2016
On Fri, Jul 15, 2016 at 05:33:23PM +0100, John Keeping wrote:
> The ChromeOS kernel reads the RAM settings from PMU_SYS_REG2 and expects
> the bootloader to store the necessary information there. We're using
> the same register to pass the same information between the SPL and
> U-Boot but in a slightly different format.
>
> Change this to use the format expected by the Linux DMC driver so that
> the system doesn't hang in Linux by misconfiguring the RAM.
>
> This is almost the same as commit b5788dc ("rockchip: rk3288: correct
> sdram setting") which was reverted in commit b525556 ("Revert "rockchip:
> rk3288: correct sdram setting"") but parenthese have been added to apply
> the mask correctly when reading the "bw" setting and a couple of minor
> style issues have been fixed to keep check_patch.pl happy.
>
> Signed-off-by: John Keeping <john at metanate.com>
>
Thanks!
Reviewed-by: Tom Rini <trini at konsulko.com>
--
Tom
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