diff options
| author | Florian Zumbiehl <florz@florz.de> | 2011-11-01 20:19:02 +0100 |
|---|---|---|
| committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2011-11-07 18:37:02 +0100 |
| commit | 7b1d295f62be4c4d59ea8d1ac18e8ef0bedbca6e (patch) | |
| tree | 760da52d3357c87126d6920fbdacebd79e3bec76 /src | |
| parent | 522e9e9746f4d98c5e8a9b83058ca143e9347d0a (diff) | |
add support for 1106:3188 (host controller of the old version of k8t800)
Change-Id: Id61678f03e1f7d964f7180a062dd6a689852d4ac
Signed-off-by: Florian Zumbiehl <florz@florz.de>
Reviewed-on: http://review.coreboot.org/401
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/southbridge/via/k8t890/host.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/southbridge/via/k8t890/host.c b/src/southbridge/via/k8t890/host.c index 13bd69330f..700a6372fa 100644 --- a/src/southbridge/via/k8t890/host.c +++ b/src/southbridge/via/k8t890/host.c @@ -25,6 +25,36 @@ #include <console/console.h> #include "k8x8xx.h" +static void host_old_enable(struct device *dev) +{ + int agp3; + + /* some HT tweaking */ + pci_write_config8(dev, 0x50, 0x03); + pci_write_config8(dev, 0x55, 0x2c); + + /* AGP setup */ + pci_write_config8(dev, 0xac, 0x06); + pci_write_config8(dev, 0xad, 0x08); + pci_write_config8(dev, 0xfd, 0x02); + pci_write_config8(dev, 0x85, 0xb0); + pci_write_config8(dev, 0x87, 0x07); + pci_write_config8(dev, 0xfd, 0x06); // this is required for the following write to work + pci_write_config8(dev, 0xaf, 0x88); + pci_write_config8(dev, 0xfd, 0x04); // select AGP 3.0 + agp3 = pci_read_config8(dev, 0x84) & 0x08; + pci_write_config8(dev, 0xb1, agp3 ? 0x00 : 0x9B); + pci_write_config8(dev, 0xb3, agp3 ? 0x00 : 0x9B); + pci_write_config8(dev, 0xb0, 0x40); + pci_write_config8(dev, 0xb2, 0x11); + pci_write_config8(dev, 0xed, 0x40); +} + +static void host_old_init(struct device *dev) +{ + k8x8xx_vt8237r_cfg(dev, NULL); +} + static void host_enable(struct device *dev) { /* Multiple function control */ @@ -56,6 +86,15 @@ static void host_init(struct device *dev) } +static const struct device_operations host_ops_old = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .enable = host_old_enable, + .init = host_old_init, + .ops_pci = 0, +}; + static const struct device_operations host_ops_t = { .read_resources = pci_dev_read_resources, .set_resources = pci_dev_set_resources, @@ -73,6 +112,12 @@ static const struct device_operations host_ops_m = { .ops_pci = 0, }; +static const struct pci_driver northbridge_driver_t800_old __pci_driver = { + .ops = &host_ops_old, + .vendor = PCI_VENDOR_ID_VIA, + .device = PCI_DEVICE_ID_VIA_K8T800_AGP, +}; + static const struct pci_driver northbridge_driver_t800 __pci_driver = { .ops = &host_ops_t, .vendor = PCI_VENDOR_ID_VIA, |