| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2013 Google Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /* This code was originally generated using an i915tool program. It has been |
| * improved by hand. |
| */ |
| |
| #include <stdint.h> |
| #include <console/console.h> |
| #include <delay.h> |
| #include <drivers/intel/gma/i915.h> |
| #include <arch/io.h> |
| |
| /* these variables will be removed when the proper support is finished in src/drivers/intel/gma/intel_dp.c */ |
| int index; |
| u32 auxout; |
| u8 auxin[20]; |
| u8 msg[32]; |
| |
| extern void mainboard_train_link(struct intel_dp *intel_dp); |
| |
| /* this function will either be renamed or subsumed into ./gma.c:i915_lightup */ |
| void runio(struct intel_dp *dp); |
| |
| void runio(struct intel_dp *dp) |
| { |
| u8 read_val; |
| |
| intel_dp_wait_panel_power_control(0xabcd0008); |
| |
| /* 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); |
| |
| intel_dp_sink_dpms(dp, 0); |
| |
| intel_dp_get_max_downspread(dp, &read_val); |
| |
| 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); |
| |
| intel_dp_wait_panel_power_control(0xabcd000a); |
| |
| /* what is this doing? Not sure yet. */ |
| intel_dp_i2c_write(dp, 0x0); |
| intel_dp_i2c_read(dp, &read_val); |
| intel_dp_i2c_write(dp, 0x04); |
| intel_dp_i2c_read(dp, &read_val); |
| intel_dp_i2c_write(dp, 0x7e); |
| 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); |
| |
| /* 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); |
| |
| intel_dp_set_bw(dp); |
| intel_dp_set_lane_count(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); |
| |
| /* 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); |
| } |