#include "drmP.h" #include "drm.h" #include "nouveau_drv.h" #include "nouveau_drm.h" int nv04_mc_init(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; uint32_t saved_pci_nv_1, saved_pci_nv_19; saved_pci_nv_1 = NV_READ(NV04_PBUS_PCI_NV_1); saved_pci_nv_19 = NV_READ(NV04_PBUS_PCI_NV_19); /* clear busmaster bit */ NV_WRITE(NV04_PBUS_PCI_NV_1, saved_pci_nv_1 & ~(0x00000001 << 2)); /* clear SBA, AGP and FW bits */ NV_WRITE(NV04_PBUS_PCI_NV_19, saved_pci_nv_19 & 0xfffff00f); /* Power up everything, resetting each individual unit will * be done later if needed. */ NV_WRITE(NV03_PMC_ENABLE, 0xFFFFFFFF); /* and restore (gives effect of resetting AGP) */ NV_WRITE(NV04_PBUS_PCI_NV_19, saved_pci_nv_19); NV_WRITE(NV04_PBUS_PCI_NV_1, saved_pci_nv_1); return 0; } void nv04_mc_takedown(struct drm_device *dev) { }