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path: root/src/mainboard/google/slippy/i915io.c
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Diffstat (limited to 'src/mainboard/google/slippy/i915io.c')
-rw-r--r--src/mainboard/google/slippy/i915io.c171
1 files changed, 55 insertions, 116 deletions
diff --git a/src/mainboard/google/slippy/i915io.c b/src/mainboard/google/slippy/i915io.c
index 0801122355..7fbffb6616 100644
--- a/src/mainboard/google/slippy/i915io.c
+++ b/src/mainboard/google/slippy/i915io.c
@@ -47,34 +47,17 @@ void runio(struct intel_dp *dp)
/* vbios spins at this point. Some haswell weirdness? */
intel_dp_wait_panel_power_control(0xabcd0008);
- /* This is stuff we don't totally understand yet. */
- io_i915_write32(0x03a903a9,BLC_PWM_CPU_CTL);
- io_i915_write32(0x03a903a9,BLC_PWM_PCH_CTL2);
- io_i915_write32(0x80000000,BLC_PWM_PCH_CTL1);
- io_i915_write32(0x00ffffff,0x64ea8);
- io_i915_write32(0x00040006,0x64eac);
- io_i915_write32( PORTD_HOTPLUG_ENABLE | PORTB_HOTPLUG_ENABLE |0x10100010,SDEISR+0x30);
- io_i915_write32(0x80000000,0x45400);
- intel_dp_wait_reg(0x00045400, 0xc0000000);
- io_i915_write32(0x8000298e,CPU_VGACNTRL);
- io_i915_write32(0x00000000,_CURACNTR);
- io_i915_write32(0x00000000,_CURABASE);
- io_i915_write32((/* DISPPLANE_SEL_PIPE(0=A,1=B) */0x0<<24)|0x00000000,_DSPACNTR);
- io_i915_write32(0x00000000,_DSPASIZE+0xc);
- io_i915_write32(0x00000000,_CURBCNTR_IVB);
- io_i915_write32(0x00000000,_CURBBASE_IVB);
- io_i915_write32(0x00000000,_DSPBCNTR);
- io_i915_write32(0x00000000,_DSPBSURF);
- io_i915_write32(0x00000000,0x72080);
- io_i915_write32(0x00000000,0x72084);
- io_i915_write32(0x00000000,_DVSACNTR);
- io_i915_write32(0x00000000,_DVSASURF);
- io_i915_write32(0x00008000,DEIIR);
- intel_dp_wait_reg(0x00044008, 0x00000000);
- io_i915_write32(0x8020298e,CPU_VGACNTRL);
- io_i915_write32(/*0x00000800*/dp->stride,_DSPASTRIDE);
- io_i915_write32(0x00000000,_DSPAADDR);
- io_i915_write32(0x00000000,_DSPASIZE+0xc);
+ /* This should be a function like intel_panel_enable_backlight
+ However, we are not sure how the value 0x3a9 comes up.
+ It has to do something with PWM frequency */
+ gtt_write(BLC_PWM_CPU_CTL,0x03a903a9);
+ gtt_write(BLC_PWM_PCH_CTL2,0x03a903a9);
+ gtt_write(BLC_PWM_PCH_CTL1,BLM_PCH_PWM_ENABLE);
+
+ gtt_write(DEIIR,0x00008000);
+ intel_dp_wait_reg(DEIIR, 0x00000000);
+
+ gtt_write(DSPSTRIDE(dp->plane),dp->stride);
intel_dp_sink_dpms(dp, 0);
@@ -83,25 +66,18 @@ void runio(struct intel_dp *dp)
intel_dp_set_m_n_regs(dp);
intel_dp_set_resolution(dp);
- io_i915_write32(dp->pipesrc,PIPESRC(dp->pipe));
- io_i915_write32(0x00000000, PIPECONF(dp->transcoder));
- io_i915_write32(0x00000000, PCH_TRANSCONF(dp->pipe));
-
- io_i915_write32(0x20000000,PORT_CLK_SEL_A);
- io_i915_write32((/* DISPPLANE_SEL_PIPE(0=A,1=B) */0x0<<24)|0x14000000,_DSPACNTR);
- io_i915_write32(dp->stride,_DSPASTRIDE);
-
- io_i915_write32(0x00000000,_DSPAADDR);
- io_i915_write32(0x00000000,_DSPASIZE+0xc);
- io_i915_write32((/* DISPPLANE_SEL_PIPE(0=A,1=B) */0x0<<24)|0x94000000,_DSPACNTR);
- io_i915_write32((/* DISPPLANE_SEL_PIPE(0=A,1=B) */0x0<<24)|0x94000000,_DSPACNTR);
- io_i915_write32(0x00000000,_DSPASIZE+0xc);
- io_i915_write32(0x00000080,DEIIR);
-
- io_i915_write32(0x00230000,TRANS_DDI_FUNC_CTL_EDP);
- io_i915_write32(0x00000010,0x7f008);
- io_i915_write32(dp->flags,TRANS_DDI_FUNC_CTL_EDP);
- io_i915_write32(0x80000010,0x7f008);
+
+ gtt_write(PIPESRC(dp->pipe),dp->pipesrc);
+ gtt_write(PIPECONF(dp->transcoder),0x00000000);
+ gtt_write(PCH_TRANSCONF(dp->pipe),0x00000000);
+
+ gtt_write(PORT_CLK_SEL(dp->port),PORT_CLK_SEL_LCPLL_1350);
+ gtt_write(DSPSTRIDE(dp->plane),dp->stride);
+ gtt_write(DSPCNTR(dp->plane),DISPLAY_PLANE_ENABLE|DISPPLANE_RGBX888);
+ gtt_write(DEIIR,0x00000080);
+
+ gtt_write(TRANS_DDI_FUNC_CTL_EDP,dp->flags);
+ gtt_write(PIPECONF(dp->transcoder),PIPECONF_ENABLE|PIPECONF_DITHER_EN);
intel_dp_wait_panel_power_control(0xabcd000a);
@@ -114,14 +90,13 @@ void runio(struct intel_dp *dp)
intel_dp_i2c_read(dp, &read_val);
/* this needs to be a call to a function */
- io_i915_write32( DP_LINK_TRAIN_PAT_1 | DP_LINK_TRAIN_PAT_1_CPT | DP_VOLTAGE_0_4 | DP_PRE_EMPHASIS_0 | DP_PORT_WIDTH_1 | DP_PLL_FREQ_270MHZ | DP_SCRAMBLING_DISABLE_IRONLAKE | DP_SYNC_VS_HIGH |0x00000091,DP_A);
- io_i915_write32(0x00000001,TRANS_DDI_FUNC_CTL_EDP+0x10);
- io_i915_write32(0x80040011,DP_TP_CTL_A);
- io_i915_write32( DP_PORT_EN | DP_LINK_TRAIN_PAT_1 | DP_LINK_TRAIN_PAT_1_CPT | DP_VOLTAGE_0_4 | DP_PRE_EMPHASIS_0 | DP_PORT_WIDTH_1 | DP_ENHANCED_FRAMING | DP_PLL_FREQ_270MHZ | DP_SCRAMBLING_DISABLE_IRONLAKE | DP_SYNC_VS_HIGH |0x80040091,DP_A);
+ gtt_write(DP_A, DP_LINK_TRAIN_PAT_1 | DP_LINK_TRAIN_PAT_1_CPT | DP_VOLTAGE_0_4 | DP_PRE_EMPHASIS_0 | DP_PORT_WIDTH_1 | DP_PLL_FREQ_270MHZ | DP_SCRAMBLING_DISABLE_IRONLAKE | DP_SYNC_VS_HIGH |0x00000091);
+ gtt_write(DP_TP_CTL(dp->port),DP_TP_CTL_ENABLE | DP_TP_CTL_ENHANCED_FRAME_ENABLE);
+ gtt_write(DP_A, DP_PORT_EN | DP_LINK_TRAIN_PAT_1 | DP_LINK_TRAIN_PAT_1_CPT | DP_VOLTAGE_0_4 | DP_PRE_EMPHASIS_0 | DP_PORT_WIDTH_1 | DP_ENHANCED_FRAMING | DP_PLL_FREQ_270MHZ | DP_SCRAMBLING_DISABLE_IRONLAKE | DP_SYNC_VS_HIGH |0x80040091);
/* we may need to move these *after* power well power up and *before* PCH_PP_CONTROL in gma.c */
- io_i915_write32( PANEL_PORT_SELECT_LVDS |(/* PANEL_POWER_UP_DELAY_MASK */0x1<<16)|(/* PANEL_LIGHT_ON_DELAY_MASK */0xa<<0)|0x0001000a,PCH_PP_ON_DELAYS);
- io_i915_write32( PANEL_PORT_SELECT_LVDS |(/* PANEL_POWER_UP_DELAY_MASK */0x7d0<<16)|(/* PANEL_LIGHT_ON_DELAY_MASK */0xa<<0)|0x07d0000a,PCH_PP_ON_DELAYS);
+ gtt_write(PCH_PP_ON_DELAYS, PANEL_PORT_SELECT_LVDS |(/* PANEL_POWER_UP_DELAY_MASK */0x1<<16)|(/* PANEL_LIGHT_ON_DELAY_MASK */0xa<<0)|0x0001000a);
+ gtt_write(PCH_PP_ON_DELAYS, PANEL_PORT_SELECT_LVDS |(/* PANEL_POWER_UP_DELAY_MASK */0x7d0<<16)|(/* PANEL_LIGHT_ON_DELAY_MASK */0xa<<0)|0x07d0000a);
intel_dp_set_bw(dp);
intel_dp_set_lane_count(dp);
@@ -129,69 +104,33 @@ void runio(struct intel_dp *dp)
mainboard_train_link(dp);
/* need a function: intel_ddi_set_tp or similar */
- io_i915_write32(0x80040200,DP_TP_CTL_A);
- io_i915_write32(0x80040300,DP_TP_CTL_A);
- io_i915_write32(0x03a903a9,BLC_PWM_CPU_CTL);
- io_i915_write32(0x03a903a9,BLC_PWM_PCH_CTL2);
- io_i915_write32(0x80000000,BLC_PWM_PCH_CTL1);
+ gtt_write(DP_TP_CTL(dp->port),DP_TP_CTL_ENABLE | DP_TP_CTL_ENHANCED_FRAME_ENABLE | DP_TP_CTL_LINK_TRAIN_IDLE);
+ gtt_write(DP_TP_CTL(dp->port),DP_TP_CTL_ENABLE | DP_TP_CTL_ENHANCED_FRAME_ENABLE | DP_TP_CTL_LINK_TRAIN_NORMAL);
+
+ gtt_write(BLC_PWM_CPU_CTL,0x03a903a9);
+ gtt_write(BLC_PWM_PCH_CTL2,0x03a903a9);
+ gtt_write(BLC_PWM_PCH_CTL1,0x80000000);
/* some of this is not needed. */
- io_i915_write32( PORTD_HOTPLUG_ENABLE | PORTB_HOTPLUG_ENABLE |0x10100010,SDEISR+0x30);
- io_i915_write32( DIGITAL_PORTA_HOTPLUG_ENABLE |0x00000010,DIGITAL_PORT_HOTPLUG_CNTRL);
- io_i915_write32(0x00000000,SDEIIR);
- io_i915_write32(0x00000000,SDEIIR);
- io_i915_write32(0x00000000,DEIIR);
- io_i915_write32(0x80000000,0x45400);
- intel_dp_wait_reg(0x00045400, 0xc0000000);
- io_i915_write32(0x80000000,0x45400);
- intel_dp_wait_reg(0x00045400, 0xc0000000);
- printk(BIOS_SPEW, "pci dev(0x0,0x2,0x0,0x6)");
- io_i915_write32(0x80000000,0x45400);
- intel_dp_wait_reg(0x00045400, 0xc0000000);
- io_i915_write32(0x8000298e,CPU_VGACNTRL);
- io_i915_write32(0x00000000,_CURACNTR);
- io_i915_write32(0x00000000,_CURABASE);
- io_i915_write32((/* DISPPLANE_SEL_PIPE(0=A,1=B) */0x0<<24)|0x00000000,_DSPACNTR);
- io_i915_write32(0x00000000,_DSPASIZE+0xc);
- io_i915_write32(0x00000000,_CURBCNTR_IVB);
- io_i915_write32(0x00000000,_CURBBASE_IVB);
- io_i915_write32(0x00000000,_DSPBCNTR);
- io_i915_write32(0x00000000,_DSPBSURF);
- io_i915_write32(0x00000000,0x72080);
- io_i915_write32(0x00000000,0x72084);
- io_i915_write32(0x00000000,_DVSACNTR);
- io_i915_write32(0x00000000,_DVSASURF);
- io_i915_write32(0x00008000,DEIIR);
- intel_dp_wait_reg(0x00044008, 0x00000000);
-
- /* we just turned vdd off. We're not going to wait. The panel is up. */
- io_i915_write32(0x8020298e,CPU_VGACNTRL);
- io_i915_write32(/*0x00000640*/dp->stride,_DSPASTRIDE);
- io_i915_write32(0x00000000,_DSPAADDR);
- io_i915_write32(0x00000000,_DSPASIZE+0xc);
- io_i915_write32((/* DISPPLANE_SEL_PIPE(0=A,1=B) */0x0<<24)|0x00000000,_DSPACNTR);
- io_i915_write32(0x00000000,_DSPASIZE+0xc);
- /* io_i915_write32(dp->pfa_pos,_PFA_WIN_POS); */
- /* io_i915_write32(0x00000000,_PFA_WIN_SZ); */
- io_i915_write32(dp->pipesrc,_PIPEASRC);
- /* io_i915_write32(dp->pfa_pos,_PFA_WIN_POS); */
- /* io_i915_write32(dp->pfa_ctl,_PFA_CTL_1); */
- /* io_i915_write32(dp->pfa_sz,_PFA_WIN_SZ); */
- io_i915_write32(0x00000080,DEIIR);
- intel_dp_wait_reg(0x00044008, 0x00000000);
- io_i915_write32((/* DISPPLANE_SEL_PIPE(0=A,1=B) */0x0<<24)|0x14000000,_DSPACNTR);
- io_i915_write32(/*0x00000640*/dp->stride,_DSPASTRIDE);
- io_i915_write32(0x00000000,_DSPAADDR);
- io_i915_write32(0x00000000,_DSPASIZE+0xc);
- io_i915_write32((/* DISPPLANE_SEL_PIPE(0=A,1=B) */0x0<<24)|0x94000000,_DSPACNTR);
- io_i915_write32((/* DISPPLANE_SEL_PIPE(0=A,1=B) */0x0<<24)|0x98000000,_DSPACNTR);
- io_i915_write32(0x00000000,_DSPASIZE+0xc);
-
- io_i915_write32( EDP_BLC_ENABLE | PANEL_POWER_RESET | PANEL_POWER_ON |0x00000007,PCH_PP_CONTROL);
-
- io_i915_write32( PORTD_HOTPLUG_ENABLE | PORTB_HOTPLUG_ENABLE |0x10100010,SDEISR+0x30);
- io_i915_write32( DIGITAL_PORTA_HOTPLUG_ENABLE |0x00000010,DIGITAL_PORT_HOTPLUG_CNTRL);
- io_i915_write32(0x00000000,SDEIIR);
- io_i915_write32(0x00000000,SDEIIR);
- io_i915_write32(0x00000000,DEIIR);
+ gtt_write(DIGITAL_PORT_HOTPLUG_CNTRL, DIGITAL_PORTA_HOTPLUG_ENABLE );
+
+ gtt_write(SDEIIR,0x00000000);
+ gtt_write(DEIIR,0x00000000);
+ gtt_write(DEIIR,0x00008000);
+ intel_dp_wait_reg(DEIIR, 0x00000000);
+
+ gtt_write(DSPSTRIDE(dp->plane),dp->stride);
+ gtt_write(PIPESRC(dp->pipe),dp->pipesrc);
+
+ gtt_write(DEIIR,0x00000080);
+ intel_dp_wait_reg(DEIIR, 0x00000000);
+
+ gtt_write(DSPSTRIDE(dp->plane),dp->stride);
+ gtt_write(DSPCNTR(dp->plane),DISPLAY_PLANE_ENABLE | DISPPLANE_RGBX888);
+
+ gtt_write(PCH_PP_CONTROL,EDP_BLC_ENABLE | PANEL_POWER_RESET | PANEL_POWER_ON);
+
+ gtt_write(SDEIIR,0x00000000);
+ gtt_write(SDEIIR,0x00000000);
+ gtt_write(DEIIR,0x00000000);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-17 08:19:57 +0000