[coreboot-gerrit] Change in coreboot[master]: rockchip/rk3399: enable DPLL SSC for DDR EMI test on bob

Caesar Wang (Code Review) gerrit at coreboot.org
Mon May 8 04:29:02 CEST 2017


Caesar Wang has posted comments on this change. ( https://review.coreboot.org/19557 )

Change subject: rockchip/rk3399: enable DPLL SSC for DDR EMI test on bob
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Patch Set 4:

(1 comment)

https://review.coreboot.org/#/c/19557/4/src/soc/rockchip/rk3399/clock.c
File src/soc/rockchip/rk3399/clock.c:

Line 373: 			      PLL_FRAC_MODE << PLL_DSMPD_SHIFT));
> I believe this fractional mode is different with the pll fractional divider
In other word, the SSC register just enable the decimal mode, do not set the fractional frequency, the clock is calculated in different ways.


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Gerrit-MessageType: comment
Gerrit-Change-Id: I75461d4235bcf55324e6664a1220754e770b4786
Gerrit-PatchSet: 4
Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-Owner: Caesar Wang <wxt at rock-chips.com>
Gerrit-Reviewer: Caesar Wang <wxt at rock-chips.com>
Gerrit-Reviewer: Julius Werner <jwerner at chromium.org>
Gerrit-Reviewer: Paul Menzel <paulepanter at users.sourceforge.net>
Gerrit-Reviewer: Philip Chen <philipchen at google.com>
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