forked from Minki/linux
viafb: split pll configs up
This patch splits the pll configs up on pll versions. This allows easy adding of other known good pll values. Additionally it made it possible to remove invalid configurations resulting in better behaviour for such cases. The resulting clocks are no longer stored resulting in some computing overhead on each mode change. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
This commit is contained in:
Florian Tobias Schandinat
parent
fd3cc69848
commit
e4fcaeff4f
@ -22,342 +22,272 @@
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#include <linux/via-core.h>
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#include "global.h"
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static struct pll_map pll_value[] = {
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{25175000,
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{99, 7, 3},
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{85, 3, 4}, /* ignoring bit difference: 0x00008000 */
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{141, 5, 4},
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{141, 5, 4} },
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{29581000,
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{33, 4, 2},
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{66, 2, 4}, /* ignoring bit difference: 0x00808000 */
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{166, 5, 4}, /* ignoring bit difference: 0x00008000 */
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{165, 5, 4} },
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{26880000,
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{15, 4, 1},
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{30, 2, 3}, /* ignoring bit difference: 0x00808000 */
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{150, 5, 4},
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{150, 5, 4} },
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{31500000,
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{53, 3, 3}, /* ignoring bit difference: 0x00008000 */
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{141, 4, 4}, /* ignoring bit difference: 0x00008000 */
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{176, 5, 4},
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{176, 5, 4} },
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{31728000,
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{31, 7, 1},
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{177, 5, 4}, /* ignoring bit difference: 0x00008000 */
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{177, 5, 4},
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{142, 4, 4} },
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{32688000,
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{73, 4, 3},
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{146, 4, 4}, /* ignoring bit difference: 0x00008000 */
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{183, 5, 4},
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{146, 4, 4} },
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{36000000,
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{101, 5, 3}, /* ignoring bit difference: 0x00008000 */
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{161, 4, 4}, /* ignoring bit difference: 0x00008000 */
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{202, 5, 4},
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{161, 4, 4} },
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{40000000,
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{89, 4, 3},
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{89, 4, 3}, /* ignoring bit difference: 0x00008000 */
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{112, 5, 3},
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{112, 5, 3} },
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{41291000,
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{23, 4, 1},
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{69, 3, 3}, /* ignoring bit difference: 0x00008000 */
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{115, 5, 3},
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{115, 5, 3} },
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{43163000,
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{121, 5, 3},
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{121, 5, 3}, /* ignoring bit difference: 0x00008000 */
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{121, 5, 3},
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{121, 5, 3} },
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{45250000,
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{127, 5, 3},
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{127, 5, 3}, /* ignoring bit difference: 0x00808000 */
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{127, 5, 3},
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{127, 5, 3} },
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{46000000,
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{90, 7, 2},
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{103, 4, 3}, /* ignoring bit difference: 0x00008000 */
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{129, 5, 3},
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{103, 4, 3} },
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{46996000,
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{105, 4, 3}, /* ignoring bit difference: 0x00008000 */
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{131, 5, 3}, /* ignoring bit difference: 0x00808000 */
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{131, 5, 3}, /* ignoring bit difference: 0x00808000 */
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{105, 4, 3} },
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{48000000,
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{67, 20, 0},
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{134, 5, 3}, /* ignoring bit difference: 0x00808000 */
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{134, 5, 3},
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{134, 5, 3} },
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{48875000,
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{99, 29, 0},
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{82, 3, 3}, /* ignoring bit difference: 0x00808000 */
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{82, 3, 3}, /* ignoring bit difference: 0x00808000 */
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{137, 5, 3} },
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{49500000,
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{83, 6, 2},
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{83, 3, 3}, /* ignoring bit difference: 0x00008000 */
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{138, 5, 3},
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{83, 3, 3} },
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{52406000,
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{117, 4, 3},
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{117, 4, 3}, /* ignoring bit difference: 0x00008000 */
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{117, 4, 3},
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{88, 3, 3} },
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{52977000,
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{37, 5, 1},
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{148, 5, 3}, /* ignoring bit difference: 0x00808000 */
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{148, 5, 3},
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{148, 5, 3} },
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{56250000,
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{55, 7, 1}, /* ignoring bit difference: 0x00008000 */
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{126, 4, 3}, /* ignoring bit difference: 0x00008000 */
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{157, 5, 3},
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{157, 5, 3} },
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{57275000,
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{0, 0, 0},
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{2, 2, 0},
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{2, 2, 0},
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{157, 5, 3} }, /* ignoring bit difference: 0x00808000 */
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{60466000,
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{76, 9, 1},
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{169, 5, 3}, /* ignoring bit difference: 0x00808000 */
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{169, 5, 3}, /* FIXED: old = {72, 2, 3} */
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{169, 5, 3} },
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{61500000,
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{86, 20, 0},
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{172, 5, 3}, /* ignoring bit difference: 0x00808000 */
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{172, 5, 3},
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{172, 5, 3} },
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{65000000,
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{109, 6, 2}, /* ignoring bit difference: 0x00008000 */
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{109, 3, 3}, /* ignoring bit difference: 0x00008000 */
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{109, 3, 3},
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{109, 3, 3} },
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{65178000,
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{91, 5, 2},
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{182, 5, 3}, /* ignoring bit difference: 0x00808000 */
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{109, 3, 3},
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{182, 5, 3} },
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{66750000,
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{75, 4, 2},
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{150, 4, 3}, /* ignoring bit difference: 0x00808000 */
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{150, 4, 3},
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{112, 3, 3} },
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{68179000,
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{19, 4, 0},
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{114, 3, 3}, /* ignoring bit difference: 0x00008000 */
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{190, 5, 3},
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{191, 5, 3} },
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{69924000,
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{83, 17, 0},
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{195, 5, 3}, /* ignoring bit difference: 0x00808000 */
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{195, 5, 3},
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{195, 5, 3} },
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{70159000,
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{98, 20, 0},
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{196, 5, 3}, /* ignoring bit difference: 0x00808000 */
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{196, 5, 3},
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{195, 5, 3} },
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{72000000,
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{121, 24, 0},
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{161, 4, 3}, /* ignoring bit difference: 0x00808000 */
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{161, 4, 3},
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{161, 4, 3} },
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{78750000,
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{33, 3, 1},
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{66, 3, 2}, /* ignoring bit difference: 0x00008000 */
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{110, 5, 2},
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{110, 5, 2} },
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{80136000,
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{28, 5, 0},
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{68, 3, 2}, /* ignoring bit difference: 0x00008000 */
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{112, 5, 2},
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{112, 5, 2} },
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{83375000,
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{93, 2, 3},
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{93, 4, 2}, /* ignoring bit difference: 0x00800000 */
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{93, 4, 2}, /* ignoring bit difference: 0x00800000 */
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{117, 5, 2} },
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{83950000,
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{41, 7, 0},
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{117, 5, 2}, /* ignoring bit difference: 0x00008000 */
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{117, 5, 2},
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{117, 5, 2} },
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{84750000,
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{118, 5, 2},
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{118, 5, 2}, /* ignoring bit difference: 0x00808000 */
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{118, 5, 2},
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{118, 5, 2} },
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{85860000,
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{84, 7, 1},
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{120, 5, 2}, /* ignoring bit difference: 0x00808000 */
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{120, 5, 2},
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{118, 5, 2} },
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{88750000,
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{31, 5, 0},
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{124, 5, 2}, /* ignoring bit difference: 0x00808000 */
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{174, 7, 2}, /* ignoring bit difference: 0x00808000 */
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{124, 5, 2} },
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{94500000,
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{33, 5, 0},
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{132, 5, 2}, /* ignoring bit difference: 0x00008000 */
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{132, 5, 2},
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{132, 5, 2} },
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{97750000,
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{82, 6, 1},
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{137, 5, 2}, /* ignoring bit difference: 0x00808000 */
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{137, 5, 2},
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{137, 5, 2} },
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{101000000,
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{127, 9, 1},
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{141, 5, 2}, /* ignoring bit difference: 0x00808000 */
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{141, 5, 2},
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{141, 5, 2} },
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{106500000,
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{119, 4, 2},
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{119, 4, 2}, /* ignoring bit difference: 0x00808000 */
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{119, 4, 2},
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{149, 5, 2} },
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{108000000,
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{121, 4, 2},
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{121, 4, 2}, /* ignoring bit difference: 0x00808000 */
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{151, 5, 2},
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{151, 5, 2} },
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{113309000,
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{95, 12, 0},
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{95, 3, 2}, /* ignoring bit difference: 0x00808000 */
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{95, 3, 2},
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{159, 5, 2} },
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{118840000,
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{83, 5, 1},
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{166, 5, 2}, /* ignoring bit difference: 0x00808000 */
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{166, 5, 2},
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{166, 5, 2} },
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{119000000,
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{108, 13, 0},
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{133, 4, 2}, /* ignoring bit difference: 0x00808000 */
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{133, 4, 2},
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{167, 5, 2} },
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{121750000,
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{85, 5, 1},
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{170, 5, 2}, /* ignoring bit difference: 0x00808000 */
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{68, 2, 2},
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{0, 0, 0} },
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{125104000,
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{53, 6, 0}, /* ignoring bit difference: 0x00008000 */
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{106, 3, 2}, /* ignoring bit difference: 0x00008000 */
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{175, 5, 2},
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{0, 0, 0} },
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{135000000,
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{94, 5, 1},
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{28, 3, 0}, /* ignoring bit difference: 0x00804000 */
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{151, 4, 2},
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{189, 5, 2} },
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{136700000,
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{115, 12, 0},
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{191, 5, 2}, /* ignoring bit difference: 0x00808000 */
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{191, 5, 2},
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{191, 5, 2} },
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{138400000,
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{87, 9, 0},
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{116, 3, 2}, /* ignoring bit difference: 0x00808000 */
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{116, 3, 2},
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{194, 5, 2} },
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{146760000,
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{103, 5, 1},
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{206, 5, 2}, /* ignoring bit difference: 0x00808000 */
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{206, 5, 2},
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{206, 5, 2} },
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{153920000,
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{86, 8, 0},
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{86, 4, 1}, /* ignoring bit difference: 0x00808000 */
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{86, 4, 1},
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{86, 4, 1} }, /* FIXED: old = {84, 2, 1} */
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{156000000,
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{109, 5, 1},
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{109, 5, 1}, /* ignoring bit difference: 0x00808000 */
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{109, 5, 1},
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{108, 5, 1} },
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{157500000,
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{55, 5, 0}, /* ignoring bit difference: 0x00008000 */
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{22, 2, 0}, /* ignoring bit difference: 0x00802000 */
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{110, 5, 1},
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{110, 5, 1} },
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{162000000,
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{113, 5, 1},
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{113, 5, 1}, /* ignoring bit difference: 0x00808000 */
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{113, 5, 1},
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{113, 5, 1} },
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{187000000,
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{118, 9, 0},
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{131, 5, 1}, /* ignoring bit difference: 0x00808000 */
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{131, 5, 1},
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{131, 5, 1} },
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{193295000,
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{108, 8, 0},
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{81, 3, 1}, /* ignoring bit difference: 0x00808000 */
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{135, 5, 1},
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{135, 5, 1} },
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{202500000,
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{99, 7, 0},
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{85, 3, 1}, /* ignoring bit difference: 0x00808000 */
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{142, 5, 1},
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{142, 5, 1} },
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{204000000,
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{100, 7, 0},
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{143, 5, 1}, /* ignoring bit difference: 0x00808000 */
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{143, 5, 1},
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{143, 5, 1} },
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{218500000,
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{92, 6, 0},
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{153, 5, 1}, /* ignoring bit difference: 0x00808000 */
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{153, 5, 1},
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{153, 5, 1} },
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{234000000,
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{98, 6, 0},
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{98, 3, 1}, /* ignoring bit difference: 0x00008000 */
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{98, 3, 1},
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{164, 5, 1} },
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{267250000,
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{112, 6, 0},
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{112, 3, 1}, /* ignoring bit difference: 0x00808000 */
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{187, 5, 1},
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{187, 5, 1} },
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{297500000,
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{102, 5, 0}, /* ignoring bit difference: 0x00008000 */
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{166, 4, 1}, /* ignoring bit difference: 0x00008000 */
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{208, 5, 1},
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{208, 5, 1} },
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{74481000,
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{26, 5, 0},
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{125, 3, 3}, /* ignoring bit difference: 0x00808000 */
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{208, 5, 3},
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{209, 5, 3} },
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{172798000,
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{121, 5, 1},
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{121, 5, 1}, /* ignoring bit difference: 0x00808000 */
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{121, 5, 1},
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{121, 5, 1} },
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{122614000,
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{60, 7, 0},
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{137, 4, 2}, /* ignoring bit difference: 0x00808000 */
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{137, 4, 2},
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{172, 5, 2} },
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{74270000,
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{83, 8, 1},
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{208, 5, 3},
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{208, 5, 3},
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{0, 0, 0} },
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{148500000,
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{83, 8, 0},
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{208, 5, 2},
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{166, 4, 2},
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{208, 5, 2} }
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static struct pll_config cle266_pll_config[] = {
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{19, 4, 0},
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{26, 5, 0},
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{28, 5, 0},
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{31, 5, 0},
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{33, 5, 0},
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{55, 5, 0},
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{102, 5, 0},
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{53, 6, 0},
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{92, 6, 0},
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{98, 6, 0},
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{112, 6, 0},
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{41, 7, 0},
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{60, 7, 0},
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{99, 7, 0},
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{100, 7, 0},
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{83, 8, 0},
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{86, 8, 0},
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{108, 8, 0},
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{87, 9, 0},
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{118, 9, 0},
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{95, 12, 0},
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{115, 12, 0},
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{108, 13, 0},
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{83, 17, 0},
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{67, 20, 0},
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{86, 20, 0},
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{98, 20, 0},
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{121, 24, 0},
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{99, 29, 0},
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{33, 3, 1},
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{15, 4, 1},
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{23, 4, 1},
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{37, 5, 1},
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{83, 5, 1},
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{85, 5, 1},
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{94, 5, 1},
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{103, 5, 1},
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{109, 5, 1},
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{113, 5, 1},
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{121, 5, 1},
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{82, 6, 1},
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{31, 7, 1},
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{55, 7, 1},
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{84, 7, 1},
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{83, 8, 1},
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{76, 9, 1},
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{127, 9, 1},
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{33, 4, 2},
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{75, 4, 2},
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{119, 4, 2},
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{121, 4, 2},
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{91, 5, 2},
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{118, 5, 2},
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{83, 6, 2},
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{109, 6, 2},
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{90, 7, 2},
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{93, 2, 3},
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{53, 3, 3},
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{73, 4, 3},
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{89, 4, 3},
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{105, 4, 3},
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{117, 4, 3},
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{101, 5, 3},
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{121, 5, 3},
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{127, 5, 3},
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{99, 7, 3}
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};
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static struct pll_config k800_pll_config[] = {
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{22, 2, 0},
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{28, 3, 0},
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{81, 3, 1},
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{85, 3, 1},
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{98, 3, 1},
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{112, 3, 1},
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{86, 4, 1},
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{166, 4, 1},
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{109, 5, 1},
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{113, 5, 1},
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{121, 5, 1},
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{131, 5, 1},
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{143, 5, 1},
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{153, 5, 1},
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{66, 3, 2},
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{68, 3, 2},
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{95, 3, 2},
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{106, 3, 2},
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{116, 3, 2},
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{93, 4, 2},
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{119, 4, 2},
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{121, 4, 2},
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{133, 4, 2},
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{137, 4, 2},
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{117, 5, 2},
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{118, 5, 2},
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{120, 5, 2},
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{124, 5, 2},
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{132, 5, 2},
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{137, 5, 2},
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{141, 5, 2},
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{166, 5, 2},
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{170, 5, 2},
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{191, 5, 2},
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{206, 5, 2},
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{208, 5, 2},
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{30, 2, 3},
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{69, 3, 3},
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{82, 3, 3},
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{83, 3, 3},
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{109, 3, 3},
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{114, 3, 3},
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{125, 3, 3},
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{89, 4, 3},
|
||||
{103, 4, 3},
|
||||
{117, 4, 3},
|
||||
{126, 4, 3},
|
||||
{150, 4, 3},
|
||||
{161, 4, 3},
|
||||
{121, 5, 3},
|
||||
{127, 5, 3},
|
||||
{131, 5, 3},
|
||||
{134, 5, 3},
|
||||
{148, 5, 3},
|
||||
{169, 5, 3},
|
||||
{172, 5, 3},
|
||||
{182, 5, 3},
|
||||
{195, 5, 3},
|
||||
{196, 5, 3},
|
||||
{208, 5, 3},
|
||||
{66, 2, 4},
|
||||
{85, 3, 4},
|
||||
{141, 4, 4},
|
||||
{146, 4, 4},
|
||||
{161, 4, 4},
|
||||
{177, 5, 4}
|
||||
};
|
||||
|
||||
static struct pll_config cx700_pll_config[] = {
|
||||
{98, 3, 1},
|
||||
{86, 4, 1},
|
||||
{109, 5, 1},
|
||||
{110, 5, 1},
|
||||
{113, 5, 1},
|
||||
{121, 5, 1},
|
||||
{131, 5, 1},
|
||||
{135, 5, 1},
|
||||
{142, 5, 1},
|
||||
{143, 5, 1},
|
||||
{153, 5, 1},
|
||||
{187, 5, 1},
|
||||
{208, 5, 1},
|
||||
{68, 2, 2},
|
||||
{95, 3, 2},
|
||||
{116, 3, 2},
|
||||
{93, 4, 2},
|
||||
{119, 4, 2},
|
||||
{133, 4, 2},
|
||||
{137, 4, 2},
|
||||
{151, 4, 2},
|
||||
{166, 4, 2},
|
||||
{110, 5, 2},
|
||||
{112, 5, 2},
|
||||
{117, 5, 2},
|
||||
{118, 5, 2},
|
||||
{120, 5, 2},
|
||||
{132, 5, 2},
|
||||
{137, 5, 2},
|
||||
{141, 5, 2},
|
||||
{151, 5, 2},
|
||||
{166, 5, 2},
|
||||
{175, 5, 2},
|
||||
{191, 5, 2},
|
||||
{206, 5, 2},
|
||||
{174, 7, 2},
|
||||
{82, 3, 3},
|
||||
{109, 3, 3},
|
||||
{117, 4, 3},
|
||||
{150, 4, 3},
|
||||
{161, 4, 3},
|
||||
{112, 5, 3},
|
||||
{115, 5, 3},
|
||||
{121, 5, 3},
|
||||
{127, 5, 3},
|
||||
{129, 5, 3},
|
||||
{131, 5, 3},
|
||||
{134, 5, 3},
|
||||
{138, 5, 3},
|
||||
{148, 5, 3},
|
||||
{157, 5, 3},
|
||||
{169, 5, 3},
|
||||
{172, 5, 3},
|
||||
{190, 5, 3},
|
||||
{195, 5, 3},
|
||||
{196, 5, 3},
|
||||
{208, 5, 3},
|
||||
{141, 5, 4},
|
||||
{150, 5, 4},
|
||||
{166, 5, 4},
|
||||
{176, 5, 4},
|
||||
{177, 5, 4},
|
||||
{183, 5, 4},
|
||||
{202, 5, 4}
|
||||
};
|
||||
|
||||
static struct pll_config vx855_pll_config[] = {
|
||||
{86, 4, 1},
|
||||
{108, 5, 1},
|
||||
{110, 5, 1},
|
||||
{113, 5, 1},
|
||||
{121, 5, 1},
|
||||
{131, 5, 1},
|
||||
{135, 5, 1},
|
||||
{142, 5, 1},
|
||||
{143, 5, 1},
|
||||
{153, 5, 1},
|
||||
{164, 5, 1},
|
||||
{187, 5, 1},
|
||||
{208, 5, 1},
|
||||
{110, 5, 2},
|
||||
{112, 5, 2},
|
||||
{117, 5, 2},
|
||||
{118, 5, 2},
|
||||
{124, 5, 2},
|
||||
{132, 5, 2},
|
||||
{137, 5, 2},
|
||||
{141, 5, 2},
|
||||
{149, 5, 2},
|
||||
{151, 5, 2},
|
||||
{159, 5, 2},
|
||||
{166, 5, 2},
|
||||
{167, 5, 2},
|
||||
{172, 5, 2},
|
||||
{189, 5, 2},
|
||||
{191, 5, 2},
|
||||
{194, 5, 2},
|
||||
{206, 5, 2},
|
||||
{208, 5, 2},
|
||||
{83, 3, 3},
|
||||
{88, 3, 3},
|
||||
{109, 3, 3},
|
||||
{112, 3, 3},
|
||||
{103, 4, 3},
|
||||
{105, 4, 3},
|
||||
{161, 4, 3},
|
||||
{112, 5, 3},
|
||||
{115, 5, 3},
|
||||
{121, 5, 3},
|
||||
{127, 5, 3},
|
||||
{134, 5, 3},
|
||||
{137, 5, 3},
|
||||
{148, 5, 3},
|
||||
{157, 5, 3},
|
||||
{169, 5, 3},
|
||||
{172, 5, 3},
|
||||
{182, 5, 3},
|
||||
{191, 5, 3},
|
||||
{195, 5, 3},
|
||||
{209, 5, 3},
|
||||
{142, 4, 4},
|
||||
{146, 4, 4},
|
||||
{161, 4, 4},
|
||||
{141, 5, 4},
|
||||
{150, 5, 4},
|
||||
{165, 5, 4},
|
||||
{176, 5, 4}
|
||||
};
|
||||
|
||||
static struct fifo_depth_select display_fifo_depth_reg = {
|
||||
@ -1674,26 +1604,48 @@ static u32 vx855_encode_pll(struct pll_config pll)
|
||||
| pll.multiplier;
|
||||
}
|
||||
|
||||
static inline u32 get_pll_internal_frequency(u32 ref_freq,
|
||||
struct pll_config pll)
|
||||
{
|
||||
return ref_freq / pll.divisor * pll.multiplier;
|
||||
}
|
||||
|
||||
static inline u32 get_pll_output_frequency(u32 ref_freq, struct pll_config pll)
|
||||
{
|
||||
return get_pll_internal_frequency(ref_freq, pll)>>pll.rshift;
|
||||
}
|
||||
|
||||
static struct pll_config get_pll_config(struct pll_config *config, int size,
|
||||
int clk)
|
||||
{
|
||||
struct pll_config best = config[0];
|
||||
const u32 f0 = 14318180; /* X1 frequency */
|
||||
int i;
|
||||
|
||||
for (i = 1; i < size; i++) {
|
||||
if (abs(get_pll_output_frequency(f0, config[i]) - clk)
|
||||
< abs(get_pll_output_frequency(f0, best) - clk))
|
||||
best = config[i];
|
||||
}
|
||||
|
||||
return best;
|
||||
}
|
||||
|
||||
u32 viafb_get_clk_value(int clk)
|
||||
{
|
||||
u32 value = 0;
|
||||
int i, best = 0;
|
||||
|
||||
for (i = 1; i < ARRAY_SIZE(pll_value); i++) {
|
||||
if (abs(pll_value[i].clk - clk)
|
||||
< abs(pll_value[best].clk - clk))
|
||||
best = i;
|
||||
}
|
||||
|
||||
switch (viaparinfo->chip_info->gfx_chip_name) {
|
||||
case UNICHROME_CLE266:
|
||||
case UNICHROME_K400:
|
||||
value = cle266_encode_pll(pll_value[best].cle266_pll);
|
||||
value = cle266_encode_pll(get_pll_config(cle266_pll_config,
|
||||
ARRAY_SIZE(cle266_pll_config), clk));
|
||||
break;
|
||||
case UNICHROME_K800:
|
||||
case UNICHROME_PM800:
|
||||
case UNICHROME_CN700:
|
||||
value = k800_encode_pll(pll_value[best].k800_pll);
|
||||
value = k800_encode_pll(get_pll_config(k800_pll_config,
|
||||
ARRAY_SIZE(k800_pll_config), clk));
|
||||
break;
|
||||
case UNICHROME_CX700:
|
||||
case UNICHROME_CN750:
|
||||
@ -1701,11 +1653,13 @@ u32 viafb_get_clk_value(int clk)
|
||||
case UNICHROME_P4M890:
|
||||
case UNICHROME_P4M900:
|
||||
case UNICHROME_VX800:
|
||||
value = k800_encode_pll(pll_value[best].cx700_pll);
|
||||
value = k800_encode_pll(get_pll_config(cx700_pll_config,
|
||||
ARRAY_SIZE(cx700_pll_config), clk));
|
||||
break;
|
||||
case UNICHROME_VX855:
|
||||
case UNICHROME_VX900:
|
||||
value = vx855_encode_pll(pll_value[best].vx855_pll);
|
||||
value = vx855_encode_pll(get_pll_config(vx855_pll_config,
|
||||
ARRAY_SIZE(vx855_pll_config), clk));
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user