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radeon: add support for rs600 GPUs
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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>
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Alex Deucher authored and Dave Airlie committed Mar 13, 2009
1 parent 7659e98 commit c1556f7
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Showing 3 changed files with 185 additions and 5 deletions.
2 changes: 1 addition & 1 deletion drivers/gpu/drm/radeon/r600_cp.c
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Original file line number Diff line number Diff line change
Expand Up @@ -114,7 +114,7 @@ static int r600_do_wait_for_idle(drm_radeon_private_t *dev_priv)
return -EBUSY;
}

static void r600_page_table_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info)
void r600_page_table_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info)
{
struct drm_sg_mem *entry = dev->sg;
int max_pages;
Expand Down
127 changes: 123 additions & 4 deletions drivers/gpu/drm/radeon/radeon_cp.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -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);
}
Expand All @@ -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
Expand All @@ -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
Expand All @@ -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
Expand All @@ -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);
Expand Down Expand Up @@ -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) ||
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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;
Expand Down Expand Up @@ -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) {
Expand All @@ -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;
}
Expand Down Expand Up @@ -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)
Expand Down
61 changes: 61 additions & 0 deletions drivers/gpu/drm/radeon/radeon_drv.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -126,6 +126,7 @@ enum radeon_family {
CHIP_RV410,
CHIP_RS400,
CHIP_RS480,
CHIP_RS600,
CHIP_RS690,
CHIP_RS740,
CHIP_RV515,
Expand Down Expand Up @@ -474,6 +475,8 @@ extern void r600_do_cp_reset(drm_radeon_private_t *dev_priv);
extern void r600_do_cp_stop(drm_radeon_private_t *dev_priv);
extern int r600_cp_dispatch_indirect(struct drm_device *dev,
struct drm_buf *buf, int start, int end);
extern int r600_page_table_init(struct drm_device *dev);
extern void r600_page_table_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info);

/* Flags for stats.boxes
*/
Expand Down Expand Up @@ -610,6 +613,56 @@ extern int r600_cp_dispatch_indirect(struct drm_device *dev,
#define RS690_MC_AGP_BASE 0x102
#define RS690_MC_AGP_BASE_2 0x103

#define RS600_MC_INDEX 0x70
# define RS600_MC_ADDR_MASK 0xffff
# define RS600_MC_IND_SEQ_RBS_0 (1 << 16)
# define RS600_MC_IND_SEQ_RBS_1 (1 << 17)
# define RS600_MC_IND_SEQ_RBS_2 (1 << 18)
# define RS600_MC_IND_SEQ_RBS_3 (1 << 19)
# define RS600_MC_IND_AIC_RBS (1 << 20)
# define RS600_MC_IND_CITF_ARB0 (1 << 21)
# define RS600_MC_IND_CITF_ARB1 (1 << 22)
# define RS600_MC_IND_WR_EN (1 << 23)
#define RS600_MC_DATA 0x74

#define RS600_MC_STATUS 0x0
# define RS600_MC_IDLE (1 << 1)
#define RS600_MC_FB_LOCATION 0x4
#define RS600_MC_AGP_LOCATION 0x5
#define RS600_AGP_BASE 0x6
#define RS600_AGP_BASE_2 0x7
#define RS600_MC_CNTL1 0x9
# define RS600_ENABLE_PAGE_TABLES (1 << 26)
#define RS600_MC_PT0_CNTL 0x100
# define RS600_ENABLE_PT (1 << 0)
# define RS600_EFFECTIVE_L2_CACHE_SIZE(x) ((x) << 15)
# define RS600_EFFECTIVE_L2_QUEUE_SIZE(x) ((x) << 21)
# define RS600_INVALIDATE_ALL_L1_TLBS (1 << 28)
# define RS600_INVALIDATE_L2_CACHE (1 << 29)
#define RS600_MC_PT0_CONTEXT0_CNTL 0x102
# define RS600_ENABLE_PAGE_TABLE (1 << 0)
# define RS600_PAGE_TABLE_TYPE_FLAT (0 << 1)
#define RS600_MC_PT0_SYSTEM_APERTURE_LOW_ADDR 0x112
#define RS600_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR 0x114
#define RS600_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR 0x11c
#define RS600_MC_PT0_CONTEXT0_FLAT_BASE_ADDR 0x12c
#define RS600_MC_PT0_CONTEXT0_FLAT_START_ADDR 0x13c
#define RS600_MC_PT0_CONTEXT0_FLAT_END_ADDR 0x14c
#define RS600_MC_PT0_CLIENT0_CNTL 0x16c
# define RS600_ENABLE_TRANSLATION_MODE_OVERRIDE (1 << 0)
# define RS600_TRANSLATION_MODE_OVERRIDE (1 << 1)
# define RS600_SYSTEM_ACCESS_MODE_MASK (3 << 8)
# define RS600_SYSTEM_ACCESS_MODE_PA_ONLY (0 << 8)
# define RS600_SYSTEM_ACCESS_MODE_USE_SYS_MAP (1 << 8)
# define RS600_SYSTEM_ACCESS_MODE_IN_SYS (2 << 8)
# define RS600_SYSTEM_ACCESS_MODE_NOT_IN_SYS (3 << 8)
# define RS600_SYSTEM_APERTURE_UNMAPPED_ACCESS_PASSTHROUGH (0 << 10)
# define RS600_SYSTEM_APERTURE_UNMAPPED_ACCESS_DEFAULT_PAGE (1 << 10)
# define RS600_EFFECTIVE_L1_CACHE_SIZE(x) ((x) << 11)
# define RS600_ENABLE_FRAGMENT_PROCESSING (1 << 14)
# define RS600_EFFECTIVE_L1_QUEUE_SIZE(x) ((x) << 15)
# define RS600_INVALIDATE_L1_TLB (1 << 20)

#define R520_MC_IND_INDEX 0x70
#define R520_MC_IND_WR_EN (1 << 24)
#define R520_MC_IND_DATA 0x74
Expand Down Expand Up @@ -1743,11 +1796,19 @@ do { \
RADEON_WRITE(RS690_MC_INDEX, RS690_MC_INDEX_WR_ACK); \
} while (0)

#define RS600_WRITE_MCIND(addr, val) \
do { \
RADEON_WRITE(RS600_MC_INDEX, RS600_MC_IND_WR_EN | RS600_MC_IND_CITF_ARB0 | ((addr) & RS600_MC_ADDR_MASK)); \
RADEON_WRITE(RS600_MC_DATA, val); \
} while (0)

#define IGP_WRITE_MCIND(addr, val) \
do { \
if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) || \
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740)) \
RS690_WRITE_MCIND(addr, val); \
else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600) \
RS600_WRITE_MCIND(addr, val); \
else \
RS480_WRITE_MCIND(addr, val); \
} while (0)
Expand Down

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