Dave Frodin ([email protected]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/1873
-gerrit commit b413c79d164b316a48472ce16bb1024e2cc0561a Author: Dave Frodin <[email protected]> Date: Tue Nov 13 07:09:12 2012 -0700 Enable the FCH GPP port prior to device enumeration Change-Id: Ib4401897570f9e4d31c18d05144b5deb6f4523bc Signed-off-by: Dave Frodin <[email protected]> --- src/southbridge/amd/cimx/sb800/late.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/src/southbridge/amd/cimx/sb800/late.c b/src/southbridge/amd/cimx/sb800/late.c index 7286a6d..dacbbe3 100644 --- a/src/southbridge/amd/cimx/sb800/late.c +++ b/src/southbridge/amd/cimx/sb800/late.c @@ -31,7 +31,7 @@ #include "cfg.h" /* sb800 Cimx configuration */ #include "chip.h" /* struct southbridge_amd_cimx_sb800_config */ #include "sb_cimx.h" /* AMD CIMX wrapper entries */ - +#include "smbus.h" /*implement in mainboard.c*/ void set_pcie_reset(void); @@ -306,6 +306,7 @@ struct device_operations bridge_ops = { .ops_pci = &lops_pci, }; +#if 0 /* use the default PCIe chip driver */ /* 0:15:0 PCIe PortA */ static const struct pci_driver PORTA_driver __pci_driver = { .ops = &bridge_ops, @@ -333,7 +334,7 @@ static const struct pci_driver PORTD_driver __pci_driver = { .vendor = PCI_VENDOR_ID_ATI, .device = PCI_DEVICE_ID_ATI_SB800_PCIED, }; - +#endif /** * South Bridge CIMx ramstage entry point wrapper. @@ -387,6 +388,21 @@ static void sb800_enable(device_t dev) switch (dev->path.pci.devfn) { case (0x11 << 3) | 0: /* 0:11.0 SATA */ /* the first sb800 device */ + switch (GPP_CFGMODE) { /* config the GPP PCIe ports */ + case GPP_CFGMODE_X2200: + abcfg_reg(0xc0, 0x01FF, 0x030); /* x2 Port_0, x2 Port_1 */ + break; + case GPP_CFGMODE_X2110: + abcfg_reg(0xc0, 0x01FF, 0x070); /* x2 Port_0, x1 Port_1&2 */ + break; + case GPP_CFGMODE_X1111: + abcfg_reg(0xc0, 0x01FF, 0x0F0); /* x1 Port_0&1&2&3 */ + break; + case GPP_CFGMODE_X4000: + default: + abcfg_reg(0xc0, 0x01FF, 0x010); /* x4 Port_0 */ + break; + } sb800_cimx_config(sb_config); if (dev->enabled) { -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
