diff options
author | Alex Deucher <alexdeucher@gmail.com> | 2009-02-25 21:57:49 (GMT) |
---|---|---|
committer | Dave Airlie <airlied@redhat.com> | 2009-03-13 04:24:13 (GMT) |
commit | c1556f71513f2e660fb2bbdc29344361b1ebff35 (patch) | |
tree | a7720f25bf130eb77475b6735fc522e151dcbf9d /drivers/gpu/drm/radeon/radeon_cp.c | |
parent | 7659e9804b7a66047433182d86393d38ba4eff79 (diff) | |
download | linux-fsl-qoriq-c1556f71513f2e660fb2bbdc29344361b1ebff35.tar.xz |
radeon: add support for rs600 GPUs
RS600s are an AMD IGP for Intel CPUs, that look like RS690s from
a lot of perspectives but look like r600s from a memory controller
point of view.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_cp.c')
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_cp.c | 127 |
1 files changed, 123 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c index 596da01..15cfe56 100644 --- a/drivers/gpu/drm/radeon/radeon_cp.c +++ b/drivers/gpu/drm/radeon/radeon_cp.c @@ -142,11 +142,22 @@ static u32 RS690_READ_MCIND(drm_radeon_private_t *dev_priv, int addr) return ret; } +static u32 RS600_READ_MCIND(drm_radeon_private_t *dev_priv, int addr) +{ + u32 ret; + RADEON_WRITE(RS600_MC_INDEX, ((addr & RS600_MC_ADDR_MASK) | + RS600_MC_IND_CITF_ARB0)); + ret = RADEON_READ(RS600_MC_DATA); + return ret; +} + static u32 IGP_READ_MCIND(drm_radeon_private_t *dev_priv, int addr) { if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) || ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740)) return RS690_READ_MCIND(dev_priv, addr); + else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600) + return RS600_READ_MCIND(dev_priv, addr); else return RS480_READ_MCIND(dev_priv, addr); } @@ -163,6 +174,8 @@ u32 radeon_read_fb_location(drm_radeon_private_t *dev_priv) else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) || ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740)) return RS690_READ_MCIND(dev_priv, RS690_MC_FB_LOCATION); + else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600) + return RS600_READ_MCIND(dev_priv, RS600_MC_FB_LOCATION); else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515) return R500_READ_MCIND(dev_priv, R520_MC_FB_LOCATION); else @@ -180,6 +193,8 @@ static void radeon_write_fb_location(drm_radeon_private_t *dev_priv, u32 fb_loc) else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) || ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740)) RS690_WRITE_MCIND(RS690_MC_FB_LOCATION, fb_loc); + else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600) + RS600_WRITE_MCIND(RS600_MC_FB_LOCATION, fb_loc); else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515) R500_WRITE_MCIND(R520_MC_FB_LOCATION, fb_loc); else @@ -200,6 +215,8 @@ void radeon_write_agp_location(drm_radeon_private_t *dev_priv, u32 agp_loc) else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) || ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740)) RS690_WRITE_MCIND(RS690_MC_AGP_LOCATION, agp_loc); + else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600) + RS600_WRITE_MCIND(RS600_MC_AGP_LOCATION, agp_loc); else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515) R500_WRITE_MCIND(R520_MC_AGP_LOCATION, agp_loc); else @@ -224,6 +241,9 @@ void radeon_write_agp_base(drm_radeon_private_t *dev_priv, u64 agp_base) ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740)) { RS690_WRITE_MCIND(RS690_MC_AGP_BASE, agp_base_lo); RS690_WRITE_MCIND(RS690_MC_AGP_BASE_2, agp_base_hi); + } else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600) { + RS600_WRITE_MCIND(RS600_AGP_BASE, agp_base_lo); + RS600_WRITE_MCIND(RS600_AGP_BASE_2, agp_base_hi); } else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515) { R500_WRITE_MCIND(R520_MC_AGP_BASE, agp_base_lo); R500_WRITE_MCIND(R520_MC_AGP_BASE_2, agp_base_hi); @@ -494,6 +514,14 @@ static void radeon_cp_load_microcode(drm_radeon_private_t * dev_priv) RADEON_WRITE(RADEON_CP_ME_RAM_DATAL, RS690_cp_microcode[i][0]); } + } else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600) { + DRM_INFO("Loading RS600 Microcode\n"); + for (i = 0; i < 256; i++) { + RADEON_WRITE(RADEON_CP_ME_RAM_DATAH, + RS600_cp_microcode[i][1]); + RADEON_WRITE(RADEON_CP_ME_RAM_DATAL, + RS600_cp_microcode[i][0]); + } } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515) || ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R520) || ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV530) || @@ -899,6 +927,82 @@ static void radeon_set_igpgart(drm_radeon_private_t * dev_priv, int on) } } +/* Enable or disable IGP GART on the chip */ +static void rs600_set_igpgart(drm_radeon_private_t *dev_priv, int on) +{ + u32 temp; + int i; + + if (on) { + DRM_DEBUG("programming igp gart %08X %08lX %08X\n", + dev_priv->gart_vm_start, + (long)dev_priv->gart_info.bus_addr, + dev_priv->gart_size); + + IGP_WRITE_MCIND(RS600_MC_PT0_CNTL, (RS600_EFFECTIVE_L2_CACHE_SIZE(6) | + RS600_EFFECTIVE_L2_QUEUE_SIZE(6))); + + for (i = 0; i < 19; i++) + IGP_WRITE_MCIND(RS600_MC_PT0_CLIENT0_CNTL + i, + (RS600_ENABLE_TRANSLATION_MODE_OVERRIDE | + RS600_SYSTEM_ACCESS_MODE_IN_SYS | + RS600_SYSTEM_APERTURE_UNMAPPED_ACCESS_PASSTHROUGH | + RS600_EFFECTIVE_L1_CACHE_SIZE(3) | + RS600_ENABLE_FRAGMENT_PROCESSING | + RS600_EFFECTIVE_L1_QUEUE_SIZE(3))); + + IGP_WRITE_MCIND(RS600_MC_PT0_CONTEXT0_CNTL, (RS600_ENABLE_PAGE_TABLE | + RS600_PAGE_TABLE_TYPE_FLAT)); + + /* disable all other contexts */ + for (i = 1; i < 8; i++) + IGP_WRITE_MCIND(RS600_MC_PT0_CONTEXT0_CNTL + i, 0); + + /* setup the page table aperture */ + IGP_WRITE_MCIND(RS600_MC_PT0_CONTEXT0_FLAT_BASE_ADDR, + dev_priv->gart_info.bus_addr); + IGP_WRITE_MCIND(RS600_MC_PT0_CONTEXT0_FLAT_START_ADDR, + dev_priv->gart_vm_start); + IGP_WRITE_MCIND(RS600_MC_PT0_CONTEXT0_FLAT_END_ADDR, + (dev_priv->gart_vm_start + dev_priv->gart_size - 1)); + IGP_WRITE_MCIND(RS600_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0); + + /* setup the system aperture */ + IGP_WRITE_MCIND(RS600_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, + dev_priv->gart_vm_start); + IGP_WRITE_MCIND(RS600_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, + (dev_priv->gart_vm_start + dev_priv->gart_size - 1)); + + /* enable page tables */ + temp = IGP_READ_MCIND(dev_priv, RS600_MC_PT0_CNTL); + IGP_WRITE_MCIND(RS600_MC_PT0_CNTL, (temp | RS600_ENABLE_PT)); + + temp = IGP_READ_MCIND(dev_priv, RS600_MC_CNTL1); + IGP_WRITE_MCIND(RS600_MC_CNTL1, (temp | RS600_ENABLE_PAGE_TABLES)); + + /* invalidate the cache */ + temp = IGP_READ_MCIND(dev_priv, RS600_MC_PT0_CNTL); + + temp &= ~(RS600_INVALIDATE_ALL_L1_TLBS | RS600_INVALIDATE_L2_CACHE); + IGP_WRITE_MCIND(RS600_MC_PT0_CNTL, temp); + temp = IGP_READ_MCIND(dev_priv, RS600_MC_PT0_CNTL); + + temp |= RS600_INVALIDATE_ALL_L1_TLBS | RS600_INVALIDATE_L2_CACHE; + IGP_WRITE_MCIND(RS600_MC_PT0_CNTL, temp); + temp = IGP_READ_MCIND(dev_priv, RS600_MC_PT0_CNTL); + + temp &= ~(RS600_INVALIDATE_ALL_L1_TLBS | RS600_INVALIDATE_L2_CACHE); + IGP_WRITE_MCIND(RS600_MC_PT0_CNTL, temp); + temp = IGP_READ_MCIND(dev_priv, RS600_MC_PT0_CNTL); + + } else { + IGP_WRITE_MCIND(RS600_MC_PT0_CNTL, 0); + temp = IGP_READ_MCIND(dev_priv, RS600_MC_CNTL1); + temp &= ~RS600_ENABLE_PAGE_TABLES; + IGP_WRITE_MCIND(RS600_MC_CNTL1, temp); + } +} + static void radeon_set_pciegart(drm_radeon_private_t * dev_priv, int on) { u32 tmp = RADEON_READ_PCIE(dev_priv, RADEON_PCIE_TX_GART_CNTL); @@ -940,6 +1044,11 @@ static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on) return; } + if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600) { + rs600_set_igpgart(dev_priv, on); + return; + } + if (dev_priv->flags & RADEON_IS_PCIE) { radeon_set_pciegart(dev_priv, on); return; @@ -1350,7 +1459,10 @@ static int radeon_do_init_cp(struct drm_device *dev, drm_radeon_init_t *init, sctrl = RADEON_READ(RADEON_SURFACE_CNTL); RADEON_WRITE(RADEON_SURFACE_CNTL, 0); - ret = drm_ati_pcigart_init(dev, &dev_priv->gart_info); + if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600) + ret = r600_page_table_init(dev); + else + ret = drm_ati_pcigart_init(dev, &dev_priv->gart_info); RADEON_WRITE(RADEON_SURFACE_CNTL, sctrl); if (!ret) { @@ -1362,7 +1474,10 @@ static int radeon_do_init_cp(struct drm_device *dev, drm_radeon_init_t *init, ret = radeon_setup_pcigart_surface(dev_priv); if (ret) { DRM_ERROR("failed to setup GART surface!\n"); - drm_ati_pcigart_cleanup(dev, &dev_priv->gart_info); + if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600) + r600_page_table_cleanup(dev, &dev_priv->gart_info); + else + drm_ati_pcigart_cleanup(dev, &dev_priv->gart_info); radeon_do_cleanup_cp(dev); return ret; } @@ -1415,8 +1530,12 @@ static int radeon_do_cleanup_cp(struct drm_device * dev) if (dev_priv->gart_info.bus_addr) { /* Turn off PCI GART */ radeon_set_pcigart(dev_priv, 0); - if (!drm_ati_pcigart_cleanup(dev, &dev_priv->gart_info)) - DRM_ERROR("failed to cleanup PCI GART!\n"); + if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600) + r600_page_table_cleanup(dev, &dev_priv->gart_info); + else { + if (!drm_ati_pcigart_cleanup(dev, &dev_priv->gart_info)) + DRM_ERROR("failed to cleanup PCI GART!\n"); + } } if (dev_priv->gart_info.gart_table_location == DRM_ATI_GART_FB) |