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Enable the FCH GPP port prior to device enumeration 

Change-Id: Ib4401897570f9e4d31c18d05144b5deb6f4523bc
Signed-off-by: Dave Frodin <dave.frodin@se-eng.com>
Reviewed-on: http://review.coreboot.org/1873
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Marc Jones <marcj303@gmail.com>
This commit is contained in:
Dave Frodin 2012-11-13 07:09:12 -07:00 committed by Marc Jones
parent 8247583058
commit 23023a5691
1 changed files with 16 additions and 30 deletions
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46
src/southbridge/amd/cimx/sb800/late.c
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@ -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);
@ -306,35 +306,6 @@ struct device_operations bridge_ops = {
.ops_pci = &lops_pci,
};
/* 0:15:0 PCIe PortA */
static const struct pci_driver PORTA_driver __pci_driver = {
.ops = &bridge_ops,
.vendor = PCI_VENDOR_ID_ATI,
.device = PCI_DEVICE_ID_ATI_SB800_PCIEA,
};
/* 0:15:1 PCIe PortB */
static const struct pci_driver PORTB_driver __pci_driver = {
.ops = &bridge_ops,
.vendor = PCI_VENDOR_ID_ATI,
.device = PCI_DEVICE_ID_ATI_SB800_PCIEB,
};
/* 0:15:2 PCIe PortC */
static const struct pci_driver PORTC_driver __pci_driver = {
.ops = &bridge_ops,
.vendor = PCI_VENDOR_ID_ATI,
.device = PCI_DEVICE_ID_ATI_SB800_PCIEC,
};
/* 0:15:3 PCIe PortD */
static const struct pci_driver PORTD_driver __pci_driver = {
.ops = &bridge_ops,
.vendor = PCI_VENDOR_ID_ATI,
.device = PCI_DEVICE_ID_ATI_SB800_PCIED,
};
/**
* South Bridge CIMx ramstage entry point wrapper.
*/
@ -387,6 +358,21 @@ 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) {