MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin");
MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin");
+MODULE_FIRMWARE("radeon/PALM_pfp.bin");
+MODULE_FIRMWARE("radeon/PALM_me.bin");
+MODULE_FIRMWARE("radeon/SUMO_rlc.bin");
int r600_debugfs_mc_info_init(struct radeon_device *rdev);
void r600_gpu_init(struct radeon_device *rdev);
void r600_fini(struct radeon_device *rdev);
void r600_irq_disable(struct radeon_device *rdev);
+static void r600_pcie_gen2_enable(struct radeon_device *rdev);
/* get temperature in millidegrees */
u32 rv6xx_get_temp(struct radeon_device *rdev)
* Note: GTT start, end, size should be initialized before calling this
* function on AGP platform.
*/
-void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
+static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
{
u64 size_bf, size_af;
S_008014_CB2_BUSY(1) | S_008014_CB3_BUSY(1);
u32 tmp;
+ if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
+ return 0;
+
dev_info(rdev->dev, "GPU softreset \n");
dev_info(rdev->dev, " R_008010_GRBM_STATUS=0x%08X\n",
RREG32(R_008010_GRBM_STATUS));
chip_name = "CYPRESS";
rlc_chip_name = "CYPRESS";
break;
+ case CHIP_PALM:
+ chip_name = "PALM";
+ rlc_chip_name = "SUMO";
+ break;
default: BUG();
}
/* FIXME: implement */
}
-
-bool r600_card_posted(struct radeon_device *rdev)
-{
- uint32_t reg;
-
- /* first check CRTCs */
- reg = RREG32(D1CRTC_CONTROL) |
- RREG32(D2CRTC_CONTROL);
- if (reg & CRTC_EN)
- return true;
-
- /* then check MEM_SIZE, in case the crtcs are off */
- if (RREG32(CONFIG_MEMSIZE))
- return true;
-
- return false;
-}
-
int r600_startup(struct radeon_device *rdev)
{
int r;
+ /* enable pcie gen2 link */
+ r600_pcie_gen2_enable(rdev);
+
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
r = r600_init_microcode(rdev);
if (r) {
if (r)
return r;
/* Post card if necessary */
- if (!r600_card_posted(rdev)) {
+ if (!radeon_card_posted(rdev)) {
if (!rdev->bios) {
dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
return -EINVAL;
WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
WREG32(GRBM_INT_CNTL, 0);
WREG32(DxMODE_INT_MASK, 0);
+ WREG32(D1GRPH_INTERRUPT_CONTROL, 0);
+ WREG32(D2GRPH_INTERRUPT_CONTROL, 0);
if (ASIC_IS_DCE3(rdev)) {
WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0);
WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0);
u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0;
u32 grbm_int_cntl = 0;
u32 hdmi1, hdmi2;
+ u32 d1grph = 0, d2grph = 0;
if (!rdev->irq.installed) {
WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
cp_int_cntl |= RB_INT_ENABLE;
cp_int_cntl |= TIME_STAMP_INT_ENABLE;
}
- if (rdev->irq.crtc_vblank_int[0]) {
+ if (rdev->irq.crtc_vblank_int[0] ||
+ rdev->irq.pflip[0]) {
DRM_DEBUG("r600_irq_set: vblank 0\n");
mode_int |= D1MODE_VBLANK_INT_MASK;
}
- if (rdev->irq.crtc_vblank_int[1]) {
+ if (rdev->irq.crtc_vblank_int[1] ||
+ rdev->irq.pflip[1]) {
DRM_DEBUG("r600_irq_set: vblank 1\n");
mode_int |= D2MODE_VBLANK_INT_MASK;
}
WREG32(CP_INT_CNTL, cp_int_cntl);
WREG32(DxMODE_INT_MASK, mode_int);
+ WREG32(D1GRPH_INTERRUPT_CONTROL, d1grph);
+ WREG32(D2GRPH_INTERRUPT_CONTROL, d2grph);
WREG32(GRBM_INT_CNTL, grbm_int_cntl);
WREG32(R600_HDMI_BLOCK1 + R600_HDMI_CNTL, hdmi1);
if (ASIC_IS_DCE3(rdev)) {
return 0;
}
-static inline void r600_irq_ack(struct radeon_device *rdev,
- u32 *disp_int,
- u32 *disp_int_cont,
- u32 *disp_int_cont2)
+static inline void r600_irq_ack(struct radeon_device *rdev)
{
u32 tmp;
if (ASIC_IS_DCE3(rdev)) {
- *disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS);
- *disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE);
- *disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2);
+ rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS);
+ rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE);
+ rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2);
} else {
- *disp_int = RREG32(DISP_INTERRUPT_STATUS);
- *disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
- *disp_int_cont2 = 0;
- }
-
- if (*disp_int & LB_D1_VBLANK_INTERRUPT)
+ rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS);
+ rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
+ rdev->irq.stat_regs.r600.disp_int_cont2 = 0;
+ }
+ rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS);
+ rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS);
+
+ if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED)
+ WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
+ if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED)
+ WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
+ if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT)
WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
- if (*disp_int & LB_D1_VLINE_INTERRUPT)
+ if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT)
WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
- if (*disp_int & LB_D2_VBLANK_INTERRUPT)
+ if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT)
WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
- if (*disp_int & LB_D2_VLINE_INTERRUPT)
+ if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT)
WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
- if (*disp_int & DC_HPD1_INTERRUPT) {
+ if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
if (ASIC_IS_DCE3(rdev)) {
tmp = RREG32(DC_HPD1_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
}
}
- if (*disp_int & DC_HPD2_INTERRUPT) {
+ if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
if (ASIC_IS_DCE3(rdev)) {
tmp = RREG32(DC_HPD2_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
}
}
- if (*disp_int_cont & DC_HPD3_INTERRUPT) {
+ if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
if (ASIC_IS_DCE3(rdev)) {
tmp = RREG32(DC_HPD3_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
}
}
- if (*disp_int_cont & DC_HPD4_INTERRUPT) {
+ if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
tmp = RREG32(DC_HPD4_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HPD4_INT_CONTROL, tmp);
}
if (ASIC_IS_DCE32(rdev)) {
- if (*disp_int_cont2 & DC_HPD5_INTERRUPT) {
+ if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
tmp = RREG32(DC_HPD5_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HPD5_INT_CONTROL, tmp);
}
- if (*disp_int_cont2 & DC_HPD6_INTERRUPT) {
+ if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
tmp = RREG32(DC_HPD5_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HPD6_INT_CONTROL, tmp);
void r600_irq_disable(struct radeon_device *rdev)
{
- u32 disp_int, disp_int_cont, disp_int_cont2;
-
r600_disable_interrupts(rdev);
/* Wait and acknowledge irq */
mdelay(1);
- r600_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2);
+ r600_irq_ack(rdev);
r600_disable_interrupt_state(rdev);
}
u32 wptr = r600_get_ih_wptr(rdev);
u32 rptr = rdev->ih.rptr;
u32 src_id, src_data;
- u32 ring_index, disp_int, disp_int_cont, disp_int_cont2;
+ u32 ring_index;
unsigned long flags;
bool queue_hotplug = false;
restart_ih:
/* display interrupts */
- r600_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2);
+ r600_irq_ack(rdev);
rdev->ih.wptr = wptr;
while (rptr != wptr) {
case 1: /* D1 vblank/vline */
switch (src_data) {
case 0: /* D1 vblank */
- if (disp_int & LB_D1_VBLANK_INTERRUPT) {
- drm_handle_vblank(rdev->ddev, 0);
- rdev->pm.vblank_sync = true;
- wake_up(&rdev->irq.vblank_queue);
- disp_int &= ~LB_D1_VBLANK_INTERRUPT;
+ if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) {
+ if (rdev->irq.crtc_vblank_int[0]) {
+ drm_handle_vblank(rdev->ddev, 0);
+ rdev->pm.vblank_sync = true;
+ wake_up(&rdev->irq.vblank_queue);
+ }
+ if (rdev->irq.pflip[0])
+ radeon_crtc_handle_flip(rdev, 0);
+ rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D1 vblank\n");
}
break;
case 1: /* D1 vline */
- if (disp_int & LB_D1_VLINE_INTERRUPT) {
- disp_int &= ~LB_D1_VLINE_INTERRUPT;
+ if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) {
+ rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT;
DRM_DEBUG("IH: D1 vline\n");
}
break;
case 5: /* D2 vblank/vline */
switch (src_data) {
case 0: /* D2 vblank */
- if (disp_int & LB_D2_VBLANK_INTERRUPT) {
- drm_handle_vblank(rdev->ddev, 1);
- rdev->pm.vblank_sync = true;
- wake_up(&rdev->irq.vblank_queue);
- disp_int &= ~LB_D2_VBLANK_INTERRUPT;
+ if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) {
+ if (rdev->irq.crtc_vblank_int[1]) {
+ drm_handle_vblank(rdev->ddev, 1);
+ rdev->pm.vblank_sync = true;
+ wake_up(&rdev->irq.vblank_queue);
+ }
+ if (rdev->irq.pflip[1])
+ radeon_crtc_handle_flip(rdev, 1);
+ rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D2 vblank\n");
}
break;
case 1: /* D1 vline */
- if (disp_int & LB_D2_VLINE_INTERRUPT) {
- disp_int &= ~LB_D2_VLINE_INTERRUPT;
+ if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) {
+ rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT;
DRM_DEBUG("IH: D2 vline\n");
}
break;
case 19: /* HPD/DAC hotplug */
switch (src_data) {
case 0:
- if (disp_int & DC_HPD1_INTERRUPT) {
- disp_int &= ~DC_HPD1_INTERRUPT;
+ if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
+ rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT;
queue_hotplug = true;
DRM_DEBUG("IH: HPD1\n");
}
break;
case 1:
- if (disp_int & DC_HPD2_INTERRUPT) {
- disp_int &= ~DC_HPD2_INTERRUPT;
+ if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
+ rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT;
queue_hotplug = true;
DRM_DEBUG("IH: HPD2\n");
}
break;
case 4:
- if (disp_int_cont & DC_HPD3_INTERRUPT) {
- disp_int_cont &= ~DC_HPD3_INTERRUPT;
+ if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
+ rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT;
queue_hotplug = true;
DRM_DEBUG("IH: HPD3\n");
}
break;
case 5:
- if (disp_int_cont & DC_HPD4_INTERRUPT) {
- disp_int_cont &= ~DC_HPD4_INTERRUPT;
+ if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
+ rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT;
queue_hotplug = true;
DRM_DEBUG("IH: HPD4\n");
}
break;
case 10:
- if (disp_int_cont2 & DC_HPD5_INTERRUPT) {
- disp_int_cont2 &= ~DC_HPD5_INTERRUPT;
+ if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
+ rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT;
queue_hotplug = true;
DRM_DEBUG("IH: HPD5\n");
}
break;
case 12:
- if (disp_int_cont2 & DC_HPD6_INTERRUPT) {
- disp_int_cont2 &= ~DC_HPD6_INTERRUPT;
+ if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
+ rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT;
queue_hotplug = true;
DRM_DEBUG("IH: HPD6\n");
}
if (wptr != rdev->ih.wptr)
goto restart_ih;
if (queue_hotplug)
- queue_work(rdev->wq, &rdev->hotplug_work);
+ schedule_work(&rdev->hotplug_work);
rdev->ih.rptr = rptr;
WREG32(IH_RB_RPTR, rdev->ih.rptr);
spin_unlock_irqrestore(&rdev->ih.lock, flags);
} else
WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
}
+
+void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes)
+{
+ u32 link_width_cntl, mask, target_reg;
+
+ if (rdev->flags & RADEON_IS_IGP)
+ return;
+
+ if (!(rdev->flags & RADEON_IS_PCIE))
+ return;
+
+ /* x2 cards have a special sequence */
+ if (ASIC_IS_X2(rdev))
+ return;
+
+ /* FIXME wait for idle */
+
+ switch (lanes) {
+ case 0:
+ mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
+ break;
+ case 1:
+ mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
+ break;
+ case 2:
+ mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
+ break;
+ case 4:
+ mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
+ break;
+ case 8:
+ mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
+ break;
+ case 12:
+ mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
+ break;
+ case 16:
+ default:
+ mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
+ break;
+ }
+
+ link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
+
+ if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
+ (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
+ return;
+
+ if (link_width_cntl & R600_PCIE_LC_UPCONFIGURE_DIS)
+ return;
+
+ link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
+ RADEON_PCIE_LC_RECONFIG_NOW |
+ R600_PCIE_LC_RENEGOTIATE_EN |
+ R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE);
+ link_width_cntl |= mask;
+
+ WREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
+
+ /* some northbridges can renegotiate the link rather than requiring
+ * a complete re-config.
+ * e.g., AMD 780/790 northbridges (pci ids: 0x5956, 0x5957, 0x5958, etc.)
+ */
+ if (link_width_cntl & R600_PCIE_LC_RENEGOTIATION_SUPPORT)
+ link_width_cntl |= R600_PCIE_LC_RENEGOTIATE_EN | R600_PCIE_LC_UPCONFIGURE_SUPPORT;
+ else
+ link_width_cntl |= R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE;
+
+ WREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
+ RADEON_PCIE_LC_RECONFIG_NOW));
+
+ if (rdev->family >= CHIP_RV770)
+ target_reg = R700_TARGET_AND_CURRENT_PROFILE_INDEX;
+ else
+ target_reg = R600_TARGET_AND_CURRENT_PROFILE_INDEX;
+
+ /* wait for lane set to complete */
+ link_width_cntl = RREG32(target_reg);
+ while (link_width_cntl == 0xffffffff)
+ link_width_cntl = RREG32(target_reg);
+
+}
+
+int r600_get_pcie_lanes(struct radeon_device *rdev)
+{
+ u32 link_width_cntl;
+
+ if (rdev->flags & RADEON_IS_IGP)
+ return 0;
+
+ if (!(rdev->flags & RADEON_IS_PCIE))
+ return 0;
+
+ /* x2 cards have a special sequence */
+ if (ASIC_IS_X2(rdev))
+ return 0;
+
+ /* FIXME wait for idle */
+
+ link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
+
+ switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
+ case RADEON_PCIE_LC_LINK_WIDTH_X0:
+ return 0;
+ case RADEON_PCIE_LC_LINK_WIDTH_X1:
+ return 1;
+ case RADEON_PCIE_LC_LINK_WIDTH_X2:
+ return 2;
+ case RADEON_PCIE_LC_LINK_WIDTH_X4:
+ return 4;
+ case RADEON_PCIE_LC_LINK_WIDTH_X8:
+ return 8;
+ case RADEON_PCIE_LC_LINK_WIDTH_X16:
+ default:
+ return 16;
+ }
+}
+
+static void r600_pcie_gen2_enable(struct radeon_device *rdev)
+{
+ u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp;
+ u16 link_cntl2;
+
+ if (radeon_pcie_gen2 == 0)
+ return;
+
+ if (rdev->flags & RADEON_IS_IGP)
+ return;
+
+ if (!(rdev->flags & RADEON_IS_PCIE))
+ return;
+
+ /* x2 cards have a special sequence */
+ if (ASIC_IS_X2(rdev))
+ return;
+
+ /* only RV6xx+ chips are supported */
+ if (rdev->family <= CHIP_R600)
+ return;
+
+ /* 55 nm r6xx asics */
+ if ((rdev->family == CHIP_RV670) ||
+ (rdev->family == CHIP_RV620) ||
+ (rdev->family == CHIP_RV635)) {
+ /* advertise upconfig capability */
+ link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
+ link_width_cntl &= ~LC_UPCONFIGURE_DIS;
+ WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
+ link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
+ if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
+ lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
+ link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
+ LC_RECONFIG_ARC_MISSING_ESCAPE);
+ link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN;
+ WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
+ } else {
+ link_width_cntl |= LC_UPCONFIGURE_DIS;
+ WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
+ }
+ }
+
+ speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
+ if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
+ (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
+
+ /* 55 nm r6xx asics */
+ if ((rdev->family == CHIP_RV670) ||
+ (rdev->family == CHIP_RV620) ||
+ (rdev->family == CHIP_RV635)) {
+ WREG32(MM_CFGREGS_CNTL, 0x8);
+ link_cntl2 = RREG32(0x4088);
+ WREG32(MM_CFGREGS_CNTL, 0);
+ /* not supported yet */
+ if (link_cntl2 & SELECTABLE_DEEMPHASIS)
+ return;
+ }
+
+ speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK;
+ speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT);
+ speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK;
+ speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE;
+ speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE;
+ WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
+
+ tmp = RREG32(0x541c);
+ WREG32(0x541c, tmp | 0x8);
+ WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
+ link_cntl2 = RREG16(0x4088);
+ link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
+ link_cntl2 |= 0x2;
+ WREG16(0x4088, link_cntl2);
+ WREG32(MM_CFGREGS_CNTL, 0);
+
+ if ((rdev->family == CHIP_RV670) ||
+ (rdev->family == CHIP_RV620) ||
+ (rdev->family == CHIP_RV635)) {
+ training_cntl = RREG32_PCIE_P(PCIE_LC_TRAINING_CNTL);
+ training_cntl &= ~LC_POINT_7_PLUS_EN;
+ WREG32_PCIE_P(PCIE_LC_TRAINING_CNTL, training_cntl);
+ } else {
+ speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
+ speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
+ WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
+ }
+
+ speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
+ speed_cntl |= LC_GEN2_EN_STRAP;
+ WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
+
+ } else {
+ link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
+ /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
+ if (1)
+ link_width_cntl |= LC_UPCONFIGURE_DIS;
+ else
+ link_width_cntl &= ~LC_UPCONFIGURE_DIS;
+ WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
+ }
+}
git.openpandora.org / pandora-kernel.git / blobdiff