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authorDave Frodin <dave.frodin@se-eng.com>2012-11-13 07:09:12 -0700
committerMarc Jones <marcj303@gmail.com>2012-11-27 22:04:24 +0100
commit23023a5691c0e3086933706c1cb2a79602ecffa0 (patch)
treebed076aef27dabac502a216473316145ca6dc3f1 /src/southbridge/amd/cimx
parent8247583058fc1607ccde26be7cdb1a1be4691122 (diff)
downloadcoreboot-23023a5691c0e3086933706c1cb2a79602ecffa0.tar.xz
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>
Diffstat (limited to 'src/southbridge/amd/cimx')
-rw-r--r--src/southbridge/amd/cimx/sb800/late.c46
1 files changed, 16 insertions, 30 deletions
diff --git a/src/southbridge/amd/cimx/sb800/late.c b/src/southbridge/amd/cimx/sb800/late.c
index 7286a6d16d..6067e39471 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);
@@ -306,35 +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) {