[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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