Acked-by: QingPei Wang<[email protected]> Best wishes Wang Qing Pei Phone: 86+18930528086
On Fri, Dec 3, 2010 at 1:21 PM, Bao, Zheng <[email protected]> wrote: > Before lane reversal, > De-asserts STRAP_BIF_all_valid for PCIE-GFX core. > After lane reversal, > Asserts STRAP_BIF_all_valid for PCIE-GFX core. > > Signed-off-by: Zheng Bao <[email protected]> > > Index: src/southbridge/amd/rs780/rs780_gfx.c > =================================================================== > --- src/southbridge/amd/rs780/rs780_gfx.c (revision 6137) > +++ src/southbridge/amd/rs780/rs780_gfx.c (working copy) > @@ -1302,8 +1302,10 @@ > if(is_dev3_present()){ > /* step 1, lane reversal (only need if CMOS > 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) */ > @@ -1317,10 +1319,11 @@ > > }else{ > 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"); > - printk(BIOS_DEBUG, "rs780_gfx_init step2.\n"); > > if((dev->path.pci.devfn >> 3) == 2) > single_port_configuration(nb_dev, dev); > > -- > coreboot mailing list: [email protected] > http://www.coreboot.org/mailman/listinfo/coreboot >
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