[coreboot] [commit] r5703 - trunk/src/southbridge/amd/rs780
Bao, Zheng
Zheng.Bao at amd.com
Tue Aug 17 04:20:46 CEST 2010
It should be Signed-off-by: Kerry She <kerry.she at amd.com>
> -----Original Message-----
> From: coreboot-bounces at coreboot.org
[mailto:coreboot-bounces at coreboot.org]
> On Behalf Of repository service
> Sent: Tuesday, August 17, 2010 10:15 AM
> To: coreboot at coreboot.org
> Subject: [coreboot] [commit] r5703 - trunk/src/southbridge/amd/rs780
>
> Author: zbao
> Date: Tue Aug 17 04:14:53 2010
> New Revision: 5703
> URL: https://tracker.coreboot.org/trac/coreboot/changeset/5703
>
> Log:
> Feature of lane reversal of AMD RS780 is tested.
>
> Signed-off-by: Zheng Bao <zheng.bao at amd.com>
> Acked-by: Marc Jones <marcj303 at gmail.com>
>
> Modified:
> trunk/src/southbridge/amd/rs780/rs780_gfx.c
>
> Modified: trunk/src/southbridge/amd/rs780/rs780_gfx.c
>
========================================================================
==
> ====
> --- trunk/src/southbridge/amd/rs780/rs780_gfx.c Mon Aug 16
22:00:49 2010
> (r5702)
> +++ trunk/src/southbridge/amd/rs780/rs780_gfx.c Tue Aug 17
04:14:53 2010
> (r5703)
> @@ -1178,9 +1178,11 @@
> /* Single-port/Dual-port configureation. */
> switch (cfg->gfx_dual_slot) {
> case 0:
> - /* step 1, lane reversal (only need if CMOS option is
enabled)
> */
> + /* step 1, lane reversal (only need if build config
option is
> enabled) */
> if (cfg->gfx_lane_reversal) {
> + set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 1
<< 31);
> set_nbmisc_enable_bits(nb_dev, 0x33, 1 << 2, 1
<< 2);
> + set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 0
<< 31);
> }
> printk(BIOS_DEBUG, "rs780_gfx_init step1.\n");
>
> @@ -1194,10 +1196,12 @@
>
> break;
> case 1:
> - /* step 1, lane reversal (only need if CMOS option is
enabled)
> */
> + /* step 1, lane reversal (only need if build config
option is
> enabled) */
> if (cfg->gfx_lane_reversal) {
> + set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 1
<< 31);
> set_nbmisc_enable_bits(nb_dev, 0x33, 1 << 2, 1
<< 2);
> set_nbmisc_enable_bits(nb_dev, 0x33, 1 << 3, 1
<< 3);
> + set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 0
<< 31);
> }
> printk(BIOS_DEBUG, "rs780_gfx_init step1.\n");
> /* step 1.1, dual-slot gfx configuration (only need if
CMOS
> option is enabled) */
>
> --
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