[commit] r5703 - trunk/src/southbridge/amd/rs780

[repository service]

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 
Acked-by: Marc Jones

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) */

[Bao, Zheng]

It should be Signed-off-by: Kerry She
> -----Original Message-----
> From: [e-mail]

[mailto:[e-mail]]
> On Behalf Of repository service
> Sent: Tuesday, August 17, 2010 10:15 AM
> To: [e-mail]
> 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 
> Acked-by: Marc Jones
>
> 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) */