From df76f812924e4db284fd38b3c5db6b87ec0d82fc Mon Sep 17 00:00:00 2001 From: Kevin E Martin Date: Mon, 30 Apr 2001 15:07:18 +0000 Subject: - PCIGART patches for Alpha from Compaq --- linux/drmP.h | 4 ++++ linux/radeon_cp.c | 19 +++++++++++++++---- linux/radeon_drv.h | 1 + 3 files changed, 20 insertions(+), 4 deletions(-) (limited to 'linux') diff --git a/linux/drmP.h b/linux/drmP.h index 227ec35a..b48d9b1f 100644 --- a/linux/drmP.h +++ b/linux/drmP.h @@ -710,7 +710,11 @@ typedef struct drm_device { drm_agp_head_t *agp; #endif #ifdef __alpha__ +#if LINUX_VERSION_CODE < 0x020403 struct pci_controler *hose; +#else + struct pci_controller *hose; +#endif #endif drm_sg_mem_t *sg; /* Scatter gather memory */ unsigned long *ctx_bitmap; diff --git a/linux/radeon_cp.c b/linux/radeon_cp.c index f8d8c2ea..670c3dd4 100644 --- a/linux/radeon_cp.c +++ b/linux/radeon_cp.c @@ -38,6 +38,12 @@ #define RADEON_FIFO_DEBUG 0 +#if defined(__alpha__) +# define PCIGART_ENABLED +#else +# undef PCIGART_ENABLED +#endif + /* CP microcode (from ATI) */ static u32 radeon_cp_microcode[][2] = { @@ -659,7 +665,7 @@ static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init ) dev_priv->is_pci = init->is_pci; -#if 1 +#if !defined(PCIGART_ENABLED) /* PCI support is not 100% working, so we disable it here. */ if ( dev_priv->is_pci ) { @@ -671,7 +677,6 @@ static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init ) #endif if ( dev_priv->is_pci && !dev->sg ) { - DRM_DEBUG( "PCI GART memory not allocated!\n" ); DRM_ERROR( "PCI GART memory not allocated!\n" ); DRM(free)( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER ); dev->dev_private = NULL; @@ -878,7 +883,6 @@ static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init ) if ( dev_priv->is_pci ) { dev_priv->phys_pci_gart = DRM(ati_pcigart_init)( dev ); if ( !dev_priv->phys_pci_gart ) { - DRM_DEBUG( "failed to init PCI GART!\n" ); DRM_ERROR( "failed to init PCI GART!\n" ); DRM(free)( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER ); @@ -904,7 +908,14 @@ static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init ) /* Turn off AGP aperture -- is this required for PCIGART? */ - RADEON_WRITE( RADEON_MC_AGP_LOCATION, 0 ); + RADEON_WRITE( RADEON_MC_AGP_LOCATION, 0xffffffc0 ); /* ?? */ + RADEON_WRITE( RADEON_AGP_COMMAND, 0 ); /* clear AGP_COMMAND */ +#if defined(__alpha__) + /* HACK! something is clobbering MEM_CNTL on Alpha! */ + DRM_ERROR( "MEM_CNTL 0x%x\n", + RADEON_READ(0x0140) ); + RADEON_WRITE(0x0140, 0x29002901); +#endif } else { /* Turn off PCI GART */ diff --git a/linux/radeon_drv.h b/linux/radeon_drv.h index ca349c2c..4217beee 100644 --- a/linux/radeon_drv.h +++ b/linux/radeon_drv.h @@ -181,6 +181,7 @@ extern int radeon_cp_indirect( struct inode *inode, struct file *filp, * for Radeon kernel driver. */ +#define RADEON_AGP_COMMAND 0x0f60 #define RADEON_AUX_SCISSOR_CNTL 0x26f0 # define RADEON_EXCLUSIVE_SCISSOR_0 (1 << 24) # define RADEON_EXCLUSIVE_SCISSOR_1 (1 << 25) -- cgit v1.2.3