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-rw-r--r--src/drivers/intel/gma/i915.h17
-rw-r--r--src/drivers/intel/gma/i915_reg.h6
-rw-r--r--src/drivers/intel/gma/intel_ddi.c54
-rw-r--r--src/drivers/intel/gma/intel_dp.c146
-rw-r--r--src/mainboard/google/slippy/gma.c104
-rw-r--r--src/mainboard/google/slippy/i915io.c171
-rw-r--r--src/northbridge/intel/haswell/Kconfig2
-rw-r--r--src/northbridge/intel/haswell/gma.c162
-rw-r--r--src/northbridge/intel/nehalem/gma.c4
-rw-r--r--src/northbridge/intel/sandybridge/gma.c2
-rw-r--r--src/northbridge/intel/sandybridge/gma.h2
-rw-r--r--src/northbridge/intel/sandybridge/gma_ivybridge_lvds.c2
12 files changed, 323 insertions, 349 deletions
diff --git a/src/drivers/intel/gma/i915.h b/src/drivers/intel/gma/i915.h
index 9ef3abda1d..72301e1477 100644
--- a/src/drivers/intel/gma/i915.h
+++ b/src/drivers/intel/gma/i915.h
@@ -63,6 +63,12 @@ enum transcoder {
TRANSCODER_EDP = 0xF,
};
+enum plane {
+ PLANE_A = 0,
+ PLANE_B,
+ PLANE_C,
+};
+
/* debug enums. These are for printks that, due to their place in the
* middle of graphics device IO, might change timing. Use with care
* or not at all.
@@ -132,6 +138,7 @@ struct intel_dp {
u32 clock;
int port;
int pipe;
+ int plane;
int bpp;
/* i2c on aux is ... interesting.
* Before you do an i2c cycle, you need to set the address.
@@ -193,7 +200,6 @@ int intel_dp_get_max_downspread(struct intel_dp *intel_dp, u8 *max_downspread);
void ironlake_edp_panel_on(struct intel_dp *intel_dp);
void ironlake_edp_backlight_on(struct intel_dp *intel_dp);
/* needed only on haswell. */
-void intel_prepare_ddi_buffers(int port, int use_fdi_mode);
void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp, int port);
int intel_dp_aux_ch(struct intel_dp *intel_dp,
uint8_t *send, int send_bytes,
@@ -262,3 +268,12 @@ int intel_dp_get_lane_count(struct intel_dp *intel_dp,
int intel_dp_get_lane_align_status(struct intel_dp *intel_dp,
u8 *recv);
+
+void intel_prepare_ddi(void);
+void intel_ddi_set_pipe_settings(struct intel_dp *intel_dp);
+
+void gtt_write(u32 reg, u32 data);
+u32 gtt_read(u32 reg);
+
+int i915lightup(unsigned int physbase, unsigned int mmio,
+ unsigned int gfx, unsigned int init_fb);
diff --git a/src/drivers/intel/gma/i915_reg.h b/src/drivers/intel/gma/i915_reg.h
index cbb0628856..2ee5748e75 100644
--- a/src/drivers/intel/gma/i915_reg.h
+++ b/src/drivers/intel/gma/i915_reg.h
@@ -1672,6 +1672,7 @@
/* New registers for PCH-split platforms. Safe where new bits show up, the
* register layout machtes with gen4 BLC_PWM_CTL[12]. */
#define BLC_PWM_CPU_CTL2 0x48250
+#define BLC_PWM2_ENABLE (1<<31)
#define BLC_PWM_CPU_CTL 0x48254
#define BLM_HIST_CTL 0x48260
@@ -2978,6 +2979,7 @@
/* Ironlake */
#define CPU_VGACNTRL 0x41000
+#define CPU_VGA_DISABLE (1<<31)
#define DIGITAL_PORT_HOTPLUG_CNTRL 0x44030
#define DIGITAL_PORTA_HOTPLUG_ENABLE (1 << 4)
@@ -4391,4 +4393,8 @@
#define WM_DBG_DISALLOW_MAXFIFO (1<<1)
#define WM_DBG_DISALLOW_SPRITE (1<<2)
+/* North Display Engine Reset Warn Options */
+#define NDE_RSTWRN_OPT 0x46408
+#define RST_PCH_HNDSHK_EN (1<<4)
+
#endif /* _I915_REG_H_ */
diff --git a/src/drivers/intel/gma/intel_ddi.c b/src/drivers/intel/gma/intel_ddi.c
index 3b7dc6d83e..2b27f6eb65 100644
--- a/src/drivers/intel/gma/intel_ddi.c
+++ b/src/drivers/intel/gma/intel_ddi.c
@@ -87,7 +87,7 @@ static u32 hsw_ddi_translations_fdi[] = {
* in either FDI or DP modes only, as HDMI connections will work with both
* of those.
*/
-void intel_prepare_ddi_buffers(int port, int use_fdi_mode)
+static void intel_prepare_ddi_buffers(int port, int use_fdi_mode)
{
u32 reg;
int i;
@@ -100,11 +100,22 @@ void intel_prepare_ddi_buffers(int port, int use_fdi_mode)
use_fdi_mode ? "FDI" : "DP");
for (i=0,reg=DDI_BUF_TRANS(port);i < ARRAY_SIZE(hsw_ddi_translations_fdi);i++) {
- io_i915_write32(ddi_translations[i], reg);
+ gtt_write(reg,ddi_translations[i]);
reg += 4;
}
}
+void intel_prepare_ddi(void)
+{
+ int port;
+ u32 use_fdi = 1;
+
+ for (port = PORT_A; port < PORT_E; port++)
+ intel_prepare_ddi_buffers(port, !use_fdi);
+
+ intel_prepare_ddi_buffers(PORT_E, use_fdi);
+}
+
static void intel_wait_ddi_buf_idle(int port)
{
uint32_t reg = DDI_BUF_CTL(port);
@@ -112,7 +123,7 @@ static void intel_wait_ddi_buf_idle(int port)
for (i = 0; i < 8; i++) {
udelay(1);
- if (io_i915_read32(reg) & DDI_BUF_IS_IDLE){
+ if (gtt_read(reg) & DDI_BUF_IS_IDLE){
printk(BIOS_SPEW, "%s: buf is idle (success)\n", __func__);
return;
}
@@ -126,18 +137,18 @@ void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp, int port)
int wait = 0;
uint32_t val;
- if (io_i915_read32(DP_TP_CTL(port)) & DP_TP_CTL_ENABLE) {
- val = io_i915_read32(DDI_BUF_CTL(port));
+ if (gtt_read(DP_TP_CTL(port)) & DP_TP_CTL_ENABLE) {
+ val = gtt_read(DDI_BUF_CTL(port));
if (val & DDI_BUF_CTL_ENABLE) {
val &= ~DDI_BUF_CTL_ENABLE;
- io_i915_write32(DDI_BUF_CTL(port), val);
+ gtt_write(val,DDI_BUF_CTL(port));
wait = 1;
}
- val = io_i915_read32(DP_TP_CTL(port));
+ val = gtt_read(DP_TP_CTL(port));
val &= ~(DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_MASK);
val |= DP_TP_CTL_LINK_TRAIN_PAT1;
- io_i915_write32(DP_TP_CTL(port), val);
+ gtt_write(val,DP_TP_CTL(port));
//POSTING_READ(DP_TP_CTL(port));
if (wait)
@@ -148,11 +159,11 @@ void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp, int port)
DP_TP_CTL_LINK_TRAIN_PAT1 | DP_TP_CTL_SCRAMBLE_DISABLE;
if (intel_dp->link_configuration[1] & DP_LANE_COUNT_ENHANCED_FRAME_EN)
val |= DP_TP_CTL_ENHANCED_FRAME_ENABLE;
- io_i915_write32(DP_TP_CTL(port), val);
+ gtt_write(val,DP_TP_CTL(port));
//POSTING_READ(DP_TP_CTL(port));
intel_dp->DP |= DDI_BUF_CTL_ENABLE;
- io_i915_write32(DDI_BUF_CTL(port), intel_dp->DP);
+ gtt_write(intel_dp->DP,DDI_BUF_CTL(port));
//POSTING_READ(DDI_BUF_CTL(port));
udelay(600);
@@ -237,3 +248,26 @@ enum transcoder intel_ddi_get_transcoder(enum port port,
return TRANSCODER_EDP;
return (enum transcoder)pipe;
}
+
+void intel_ddi_set_pipe_settings(struct intel_dp *intel_dp)
+{
+ u32 val = TRANS_MSA_SYNC_CLK;
+
+ switch (intel_dp->bpp) {
+ case 18:
+ val |= TRANS_MSA_6_BPC;
+ break;
+ case 24:
+ val |= TRANS_MSA_8_BPC;
+ break;
+ case 30:
+ val |= TRANS_MSA_10_BPC;
+ break;
+ case 36:
+ val |= TRANS_MSA_12_BPC;
+ break;
+ default:
+ printk(BIOS_ERR, "Invalid bpp settings %d\n", intel_dp->bpp);
+ }
+ gtt_write(TRANS_MSA_MISC(intel_dp->transcoder),val);
+}
diff --git a/src/drivers/intel/gma/intel_dp.c b/src/drivers/intel/gma/intel_dp.c
index 44a947e006..833a4d6834 100644
--- a/src/drivers/intel/gma/intel_dp.c
+++ b/src/drivers/intel/gma/intel_dp.c
@@ -98,12 +98,12 @@ unpack_aux(uint32_t src, uint8_t *dst, int dst_bytes)
static int ironlake_edp_have_panel_power(struct intel_dp *intel_dp)
{
- return (io_i915_read32(PCH_PP_STATUS) & PP_ON) != 0;
+ return (gtt_read(PCH_PP_STATUS) & PP_ON) != 0;
}
static int ironlake_edp_have_panel_vdd(struct intel_dp *intel_dp)
{
- return (io_i915_read32(PCH_PP_CONTROL) & EDP_FORCE_VDD) != 0;
+ return (gtt_read(PCH_PP_CONTROL) & EDP_FORCE_VDD) != 0;
}
int
@@ -121,7 +121,7 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
/* Try to wait for any previous AUX channel activity */
for (try = 0; try < 3; try++) {
- status = io_i915_read32(ch_ctl);
+ status = gtt_read(ch_ctl);
if ((status & DP_AUX_CH_CTL_SEND_BUSY) == 0)
break;
mdelay(1);
@@ -129,7 +129,7 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
if (try == 3) {
if (1) {
- status = io_i915_read32(ch_ctl);
+ status = gtt_read(ch_ctl);
printk(BIOS_ERR,
"dp_aux_ch not started status 0x%08x\n",
status);
@@ -144,30 +144,30 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
u32 val, addr;
val = pack_aux(send + i, send_bytes - i);
addr = ch_data + i;
- io_i915_write32(val, addr);
+ gtt_write(addr,val);
}
/* Send the command and wait for it to complete */
- io_i915_write32(DP_AUX_CH_CTL_SEND_BUSY |
- DP_AUX_CH_CTL_TIME_OUT_400us |
- (send_bytes << DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT) |
- (intel_dp->precharge << DP_AUX_CH_CTL_PRECHARGE_2US_SHIFT) |
- (intel_dp->aux_clock_divider << DP_AUX_CH_CTL_BIT_CLOCK_2X_SHIFT) |
- DP_AUX_CH_CTL_DONE |
- DP_AUX_CH_CTL_TIME_OUT_ERROR |
- DP_AUX_CH_CTL_RECEIVE_ERROR, ch_ctl);
+ gtt_write(ch_ctl, DP_AUX_CH_CTL_SEND_BUSY |
+ DP_AUX_CH_CTL_TIME_OUT_400us |
+ (send_bytes << DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT) |
+ (intel_dp->precharge << DP_AUX_CH_CTL_PRECHARGE_2US_SHIFT) |
+ (intel_dp->aux_clock_divider << DP_AUX_CH_CTL_BIT_CLOCK_2X_SHIFT) |
+ DP_AUX_CH_CTL_DONE |
+ DP_AUX_CH_CTL_TIME_OUT_ERROR |
+ DP_AUX_CH_CTL_RECEIVE_ERROR);
for (;;) {
- status = io_i915_read32(ch_ctl);
+ status = gtt_read(ch_ctl);
if ((status & DP_AUX_CH_CTL_SEND_BUSY) == 0)
break;
udelay(100);
}
/* Clear done status and any errors */
- io_i915_write32(status |
- DP_AUX_CH_CTL_DONE |
- DP_AUX_CH_CTL_TIME_OUT_ERROR |
- DP_AUX_CH_CTL_RECEIVE_ERROR, ch_ctl);
+ gtt_write(ch_ctl, status |
+ DP_AUX_CH_CTL_DONE |
+ DP_AUX_CH_CTL_TIME_OUT_ERROR |
+ DP_AUX_CH_CTL_RECEIVE_ERROR);
if (status & (DP_AUX_CH_CTL_TIME_OUT_ERROR |
DP_AUX_CH_CTL_RECEIVE_ERROR))
@@ -204,7 +204,7 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
recv_bytes = recv_size;
for (i = 0; i < recv_bytes; i += 4)
- unpack_aux(io_i915_read32(ch_data + i),
+ unpack_aux(gtt_read(ch_data + i),
recv + i, recv_bytes - i);
return recv_bytes;
@@ -513,13 +513,11 @@ intel_dp_set_m_n(struct intel_dp *intel_dp)
intel_dp->clock, intel_dp->clock, &m_n);
{
- io_i915_write32((
- (m_n.tu - 1) <<
- PIPE_GMCH_DATA_M_TU_SIZE_SHIFT) |
- m_n.gmch_m, TRANSDATA_M1(pipe));
- io_i915_write32(m_n.gmch_n, TRANSDATA_N1(pipe));
- io_i915_write32(m_n.link_m, TRANSDPLINK_M1(pipe));
- io_i915_write32(m_n.link_n, TRANSDPLINK_N1(pipe));
+ gtt_write(TRANSDATA_M1(pipe),
+ ((m_n.tu - 1) << PIPE_GMCH_DATA_M_TU_SIZE_SHIFT) |m_n.gmch_m);
+ gtt_write(TRANSDATA_N1(pipe),m_n.gmch_n);
+ gtt_write(TRANSDPLINK_M1(pipe),m_n.link_m);
+ gtt_write(TRANSDPLINK_N1(pipe),m_n.link_n);
}
}
@@ -556,7 +554,7 @@ intel_dp_mode_set(struct intel_dp *intel_dp)
/* Preserve the BIOS-computed detected bit. This is
* supposed to be read-only.
*/
- intel_dp->DP = io_i915_read32(intel_dp->output_reg) & DP_DETECTED;
+ intel_dp->DP = gtt_read(intel_dp->output_reg) & DP_DETECTED;
printk(BIOS_SPEW, "%s: initial value is %08lx\n", __func__,
(unsigned long)intel_dp->DP);
/* | 0 essentially */
@@ -654,18 +652,18 @@ static void ironlake_wait_panel_status(struct intel_dp *intel_dp,
printk(BIOS_ERR, "[000000.0] [drm:%s], ", __func__);
printk(BIOS_ERR, "mask %08lx value %08lx status %08lx control %08lx\n",
(unsigned long) mask, (unsigned long) value,
- (unsigned long)io_i915_read32(PCH_PP_STATUS),
- (unsigned long)io_i915_read32(PCH_PP_CONTROL));
+ (unsigned long)gtt_read(PCH_PP_STATUS),
+ (unsigned long)gtt_read(PCH_PP_CONTROL));
- for(i = 0, status = io_i915_read32(PCH_PP_STATUS); ((status & mask) != value) && (i < 5000);
- status = io_i915_read32(PCH_PP_STATUS)){
+ for(i = 0, status = gtt_read(PCH_PP_STATUS); ((status & mask) != value) && (i < 5000);
+ status = gtt_read(PCH_PP_STATUS)){
udelay(10);
}
if (i > 5000){
printk(BIOS_ERR,
"Panel status timeout: status %08lx control %08lx\n",
- (unsigned long)io_i915_read32(PCH_PP_STATUS),
- (unsigned long)io_i915_read32(PCH_PP_CONTROL));
+ (unsigned long)gtt_read(PCH_PP_STATUS),
+ (unsigned long)gtt_read(PCH_PP_CONTROL));
}
}
@@ -693,7 +691,7 @@ void intel_dp_wait_reg(unsigned long addr,
unsigned long newval;
int tries = 0;
- while ((newval = io_i915_read32(addr)) != val) {
+ while ((newval = gtt_read(addr)) != val) {
udelay(1);
if (tries++ > 1000) {
printk(BIOS_ERR, "%s: Waiting on %08lx to be %08lx, got %08lx\n",
@@ -714,7 +712,7 @@ void intel_dp_wait_panel_power_control(unsigned long val)
static u32 ironlake_get_pp_control(void)
{
- u32 control = io_i915_read32(PCH_PP_CONTROL);
+ u32 control = gtt_read(PCH_PP_CONTROL);
control &= ~PANEL_UNLOCK_MASK;
control |= PANEL_UNLOCK_REGS;
@@ -745,11 +743,12 @@ void ironlake_edp_panel_vdd_on(struct intel_dp *intel_dp)
pp = ironlake_get_pp_control();
pp |= EDP_FORCE_VDD;
- io_i915_write32(pp, PCH_PP_CONTROL);
+ gtt_write(PCH_PP_CONTROL,pp);
// remember this if we need it later. Not sure yet.
////POSTING_READ(PCH_PP_CONTROL);
printk(BIOS_ERR, "PCH_PP_STATUS: 0x%08lx PCH_PP_CONTROL: 0x%08lx\n",
- io_i915_read32(PCH_PP_STATUS), io_i915_read32(PCH_PP_CONTROL));
+ (unsigned long) gtt_read(PCH_PP_STATUS),
+ (unsigned long) gtt_read(PCH_PP_CONTROL));
/*
* If the panel wasn't on, delay before accessing aux channel
@@ -767,12 +766,13 @@ static void ironlake_panel_vdd_off_sync(struct intel_dp *intel_dp)
if (!intel_dp->want_panel_vdd && ironlake_edp_have_panel_vdd(intel_dp)) {
pp = ironlake_get_pp_control();
pp &= ~EDP_FORCE_VDD;
- io_i915_write32(pp, PCH_PP_CONTROL);
+ gtt_write(PCH_PP_CONTROL,pp);
////POSTING_READ(PCH_PP_CONTROL);
/* Make sure sequencer is idle before allowing subsequent activity */
printk(BIOS_ERR, "PCH_PP_STATUS: 0x%08lx PCH_PP_CONTROL: 0x%08lx\n",
- io_i915_read32(PCH_PP_STATUS), io_i915_read32(PCH_PP_CONTROL));
+ (unsigned long) gtt_read(PCH_PP_STATUS),
+ (unsigned long) gtt_read(PCH_PP_CONTROL));
mdelay(intel_dp->panel_power_down_delay);
}
@@ -814,7 +814,7 @@ void ironlake_edp_panel_on(struct intel_dp *intel_dp)
if (intel_dp->gen == 5) {
/* ILK workaround: disable reset around power sequence */
pp &= ~PANEL_POWER_RESET;
- io_i915_write32(pp, PCH_PP_CONTROL);
+ gtt_write(PCH_PP_CONTROL,pp);
////POSTING_READ(PCH_PP_CONTROL);
}
@@ -822,14 +822,14 @@ void ironlake_edp_panel_on(struct intel_dp *intel_dp)
if (!(intel_dp->gen == 5))
pp |= PANEL_POWER_RESET;
- io_i915_write32(pp, PCH_PP_CONTROL);
+ gtt_write(PCH_PP_CONTROL,pp);
////POSTING_READ(PCH_PP_CONTROL);
ironlake_wait_panel_on(intel_dp);
if (intel_dp->gen == 5) {
pp |= PANEL_POWER_RESET; /* restore panel reset bit */
- io_i915_write32(pp, PCH_PP_CONTROL);
+ gtt_write(PCH_PP_CONTROL,pp);
////POSTING_READ(PCH_PP_CONTROL);
}
}
@@ -850,7 +850,7 @@ static void ironlake_edp_panel_off(struct intel_dp *intel_dp)
pp = ironlake_get_pp_control();
pp &= ~(POWER_TARGET_ON | EDP_FORCE_VDD |
PANEL_POWER_RESET | EDP_BLC_ENABLE);
- io_i915_write32(pp, PCH_PP_CONTROL);
+ gtt_write(PCH_PP_CONTROL,pp);
////POSTING_READ(PCH_PP_CONTROL);
ironlake_wait_panel_off(intel_dp);
@@ -872,7 +872,7 @@ void ironlake_edp_backlight_on(struct intel_dp *intel_dp)
mdelay(intel_dp->backlight_on_delay);
pp = ironlake_get_pp_control();
pp |= EDP_BLC_ENABLE;
- io_i915_write32(pp, PCH_PP_CONTROL);
+ gtt_write(PCH_PP_CONTROL,pp);
////POSTING_READ(PCH_PP_CONTROL);
}
@@ -885,7 +885,7 @@ static void ironlake_edp_backlight_off(struct intel_dp *intel_dp)
pp = ironlake_get_pp_control();
pp &= ~EDP_BLC_ENABLE;
- io_i915_write32(pp, PCH_PP_CONTROL);
+ gtt_write(PCH_PP_CONTROL,pp);
////POSTING_READ(PCH_PP_CONTROL);
mdelay(intel_dp->backlight_off_delay);
}
@@ -894,9 +894,9 @@ void ironlake_edp_pll_on(void)
{
u32 dpa_ctl;
- dpa_ctl = io_i915_read32(DP_A);
+ dpa_ctl = gtt_read(DP_A);
dpa_ctl |= DP_PLL_ENABLE;
- io_i915_write32(dpa_ctl, DP_A);
+ gtt_write(DP_A,dpa_ctl);
////POSTING_READ(DP_A);
udelay(200);
}
@@ -905,9 +905,9 @@ static void ironlake_edp_pll_off(void)
{
u32 dpa_ctl;
- dpa_ctl = io_i915_read32(DP_A);
+ dpa_ctl = gtt_read(DP_A);
dpa_ctl &= ~DP_PLL_ENABLE;
- io_i915_write32(dpa_ctl, DP_A);
+ gtt_write(DP_A,dpa_ctl);
////POSTING_READ(DP_A);
udelay(200);
}
@@ -981,7 +981,7 @@ void intel_dp_commit(struct intel_dp *intel_dp)
void
intel_dp_dpms(struct intel_dp *intel_dp, int mode)
{
- uint32_t dp_reg = io_i915_read32(intel_dp->output_reg);
+ uint32_t dp_reg = gtt_read(intel_dp->output_reg);
printk(BIOS_SPEW, "%s: power %s\n", __func__, mode ? "off" : "on");
if (mode){
@@ -1402,7 +1402,7 @@ intel_dp_set_link_train(struct intel_dp *intel_dp,
printk(BIOS_SPEW, "%s: dp_reg_value %08lx dp_train_pat %02x\n",
__func__, (unsigned long) dp_reg_value, dp_train_pat);
if (intel_dp->is_haswell){
- temp = io_i915_read32(DP_TP_CTL(port));
+ temp = gtt_read(DP_TP_CTL(port));
if (dp_train_pat & DP_LINK_SCRAMBLING_DISABLE)
temp |= DP_TP_CTL_SCRAMBLE_DISABLE;
@@ -1413,11 +1413,11 @@ intel_dp_set_link_train(struct intel_dp *intel_dp,
switch (dp_train_pat & DP_TRAINING_PATTERN_MASK) {
case DP_TRAINING_PATTERN_DISABLE:
temp |= DP_TP_CTL_LINK_TRAIN_IDLE;
- io_i915_write32( temp, DP_TP_CTL(port));
+ gtt_write(DP_TP_CTL(port), temp);
for(i = 0; i < 10; i++){
u32 status;
- status = io_i915_read32(DP_TP_STATUS(port));
+ status = gtt_read(DP_TP_STATUS(port));
if (status & DP_TP_STATUS_IDLE_DONE)
break;
}
@@ -1440,7 +1440,7 @@ intel_dp_set_link_train(struct intel_dp *intel_dp,
temp |= DP_TP_CTL_LINK_TRAIN_PAT3;
break;
}
- io_i915_write32( temp, DP_TP_CTL(port));
+ gtt_write(DP_TP_CTL(port), temp);
} else if (intel_dp->has_pch_cpt &&
(intel_dp->gen != 7 || !is_cpu_edp(intel_dp))) {
@@ -1483,7 +1483,7 @@ intel_dp_set_link_train(struct intel_dp *intel_dp,
}
}
- io_i915_write32( dp_reg_value, intel_dp->output_reg);
+ gtt_write(intel_dp->output_reg, dp_reg_value);
//POSTING_READ(intel_dp->output_reg);
intel_dp_aux_native_write_1(intel_dp,
@@ -1702,7 +1702,7 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
++tries;
}
- //io_i915_write32(reg, intel_dp->output_reg);
+ //gtt_write(intel_dp->output_reg,reg);
////POSTING_READ(intel_dp->output_reg);
intel_dp_set_link_train(intel_dp, DP, DP_TRAINING_PATTERN_DISABLE);
}
@@ -1712,7 +1712,7 @@ intel_dp_link_down(struct intel_dp *intel_dp)
{
uint32_t DP = intel_dp->DP;
- if ((io_i915_read32(intel_dp->output_reg) & DP_PORT_EN) == 0)
+ if ((gtt_read(intel_dp->output_reg) & DP_PORT_EN) == 0)
return;
if (intel_dp->is_haswell){
@@ -1721,17 +1721,17 @@ intel_dp_link_down(struct intel_dp *intel_dp)
}
if (is_edp(intel_dp)) {
DP &= ~DP_PLL_ENABLE;
- io_i915_write32(DP, intel_dp->output_reg);
+ gtt_write(intel_dp->output_reg,DP);
////POSTING_READ(intel_dp->output_reg);
udelay(100);
}
if (intel_dp->has_pch_cpt && ((intel_dp->gen == 7) || !is_cpu_edp(intel_dp))) {
DP &= ~DP_LINK_TRAIN_MASK_CPT;
- io_i915_write32(DP | DP_LINK_TRAIN_PAT_IDLE_CPT, intel_dp->output_reg);
+ gtt_write(intel_dp->output_reg,DP | DP_LINK_TRAIN_PAT_IDLE_CPT);
} else {
DP &= ~DP_LINK_TRAIN_MASK;
- io_i915_write32(DP | DP_LINK_TRAIN_PAT_IDLE, intel_dp->output_reg);
+ gtt_write(intel_dp->output_reg,DP | DP_LINK_TRAIN_PAT_IDLE);
}
////POSTING_READ(intel_dp->output_reg);
@@ -1745,7 +1745,7 @@ intel_dp_link_down(struct intel_dp *intel_dp)
}
DP &= ~DP_AUDIO_OUTPUT_ENABLE;
- io_i915_write32(DP & ~DP_PORT_EN, intel_dp->output_reg);
+ gtt_write(intel_dp->output_reg,DP & ~DP_PORT_EN);
////POSTING_READ(intel_dp->output_reg);
mdelay(600000); //intel_dp->panel_power_down_delay);
}
@@ -1793,25 +1793,25 @@ intel_dp_get_max_downspread(struct intel_dp *intel_dp, u8 *max_downspread)
void intel_dp_set_m_n_regs(struct intel_dp *intel_dp)
{
- io_i915_write32(0x7e4a0000, PIPE_DATA_M1(intel_dp->transcoder));
- /* io_i915_write32(0x00800000,0x6f034); */
+ gtt_write(PIPE_DATA_M1(intel_dp->transcoder),0x7e4a0000);
+ /* gtt_write(0x6f034,0x00800000); */
/* Write to 0x6f030 has to be 0x7e4ayyyy -- First four hex digits are important.
However, with our formula we always see values 0x7e43yyyy (1366 panel) and
0x7e42yyy (1280 panel) */
- /* io_i915_write32(TU_SIZE(intel_dp->m_n.tu) | intel_dp->m_n.gmch_m,PIPE_DATA_M1(intel_dp->transcoder)); */
- io_i915_write32(intel_dp->m_n.gmch_n, PIPE_DATA_N1(intel_dp->transcoder));
- io_i915_write32(intel_dp->m_n.link_m, PIPE_LINK_M1(intel_dp->transcoder));
- io_i915_write32(intel_dp->m_n.link_n, PIPE_LINK_N1(intel_dp->transcoder));
+ /* gtt_write(PIPE_DATA_M1(intel_dp->transcoder),TU_SIZE(intel_dp->m_n.tu) | intel_dp->m_n.gmch_m); */
+ gtt_write(PIPE_DATA_N1(intel_dp->transcoder),intel_dp->m_n.gmch_n);
+ gtt_write(PIPE_LINK_M1(intel_dp->transcoder),intel_dp->m_n.link_m);
+ gtt_write(PIPE_LINK_N1(intel_dp->transcoder),intel_dp->m_n.link_n);
}
void intel_dp_set_resolution(struct intel_dp *intel_dp)
{
- io_i915_write32(intel_dp->htotal, HTOTAL(intel_dp->transcoder));
- io_i915_write32(intel_dp->hblank, HBLANK(intel_dp->transcoder));
- io_i915_write32(intel_dp->hsync, HSYNC(intel_dp->transcoder));
- io_i915_write32(intel_dp->vtotal, VTOTAL(intel_dp->transcoder));
- io_i915_write32(intel_dp->vblank, VBLANK(intel_dp->transcoder));
- io_i915_write32(intel_dp->vsync, VSYNC(intel_dp->transcoder));
+ gtt_write(HTOTAL(intel_dp->transcoder),intel_dp->htotal);
+ gtt_write(HBLANK(intel_dp->transcoder),intel_dp->hblank);
+ gtt_write(HSYNC(intel_dp->transcoder),intel_dp->hsync);
+ gtt_write(VTOTAL(intel_dp->transcoder),intel_dp->vtotal);
+ gtt_write(VBLANK(intel_dp->transcoder),intel_dp->vblank);
+ gtt_write(VSYNC(intel_dp->transcoder),intel_dp->vsync);
}
int intel_dp_get_training_pattern(struct intel_dp *intel_dp,
diff --git a/src/mainboard/google/slippy/gma.c b/src/mainboard/google/slippy/gma.c
index 4b002ecddf..7c95e40667 100644
--- a/src/mainboard/google/slippy/gma.c
+++ b/src/mainboard/google/slippy/gma.c
@@ -87,33 +87,13 @@
static unsigned int *mmio;
static unsigned int graphics;
-static unsigned short addrport;
-static unsigned short dataport;
static unsigned int physbase;
-static int ioread = 0, iowrite = 0;
-
void ug1(int);
void ug2(int);
void ug22(int);
void ug3(int);
-unsigned long io_i915_read32(unsigned long addr)
-{
- unsigned long val;
- outl(addr, addrport);
- val = inl(dataport);
- ioread += 2;
- return val;
-}
-
-void io_i915_write32(unsigned long val, unsigned long addr)
-{
- outl(addr, addrport);
- outl(val, dataport);
- iowrite += 2;
-}
-
/* GTT is the Global Translation Table for the graphics pipeline.
* It is used to translate graphics addresses to physical
* memory addresses. As in the CPU, GTTs map 4K pages.
@@ -133,6 +113,8 @@ void io_i915_write32(unsigned long val, unsigned long addr)
* starting at physbase.
*/
+#define GTT_PTE_BASE (2 << 20)
+
static void
setgtt(int start, int end, unsigned long base, int inc)
{
@@ -144,7 +126,8 @@ setgtt(int start, int end, unsigned long base, int inc)
* the values that mrc does no
* useful setup before we run this.
*/
- io_i915_write32(word|1,(i*4)|1);
+ gtt_write(GTT_PTE_BASE + i * 4, word|1);
+ gtt_read(GTT_PTE_BASE + i * 4);
}
}
@@ -157,7 +140,7 @@ static void palette(void)
unsigned long color = 0;
for(i = 0; i < 256; i++, color += 0x010101){
- io_i915_write32(color, _LGC_PALETTE_A + (i<<2));
+ gtt_write(_LGC_PALETTE_A + (i<<2),color);
}
}
@@ -251,8 +234,8 @@ void mainboard_train_link(struct intel_dp *intel_dp)
u8 read_val;
u8 link_status[DP_LINK_STATUS_SIZE];
- io_i915_write32(0x80040000,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_PLL_FREQ_270MHZ | DP_SYNC_VS_HIGH |0x80000011,DP_A);
+ gtt_write(DP_TP_CTL(intel_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_PLL_FREQ_270MHZ | DP_SYNC_VS_HIGH |0x80000011);
intel_dp_get_training_pattern(intel_dp, &read_val);
intel_dp_set_training_pattern(intel_dp, DP_TRAINING_PATTERN_1 | DP_LINK_QUAL_PATTERN_DISABLE | DP_SYMBOL_ERROR_COUNT_BOTH);
@@ -260,7 +243,7 @@ void mainboard_train_link(struct intel_dp *intel_dp)
intel_dp_set_training_lane0(intel_dp, DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_0);
intel_dp_get_link_status(intel_dp, link_status);
- io_i915_write32(0x80040100,DP_TP_CTL_A);
+ gtt_write(DP_TP_CTL(intel_dp->port),DP_TP_CTL_ENABLE | DP_TP_CTL_ENHANCED_FRAME_ENABLE | DP_TP_CTL_LINK_TRAIN_PAT2);
intel_dp_get_training_pattern(intel_dp, &read_val);
intel_dp_set_training_pattern(intel_dp, DP_TRAINING_PATTERN_2 | DP_LINK_QUAL_PATTERN_DISABLE | DP_SYMBOL_ERROR_COUNT_BOTH);
@@ -270,34 +253,54 @@ void mainboard_train_link(struct intel_dp *intel_dp)
intel_dp_set_training_pattern(intel_dp, DP_TRAINING_PATTERN_DISABLE | DP_LINK_QUAL_PATTERN_DISABLE | DP_SYMBOL_ERROR_COUNT_BOTH);
}
-int i915lightup(unsigned int physbase, unsigned int iobase, unsigned int mmio,
- unsigned int gfx, unsigned int init_fb);
-int i915lightup(unsigned int pphysbase, unsigned int piobase,
- unsigned int pmmio, unsigned int pgfx, unsigned int init_fb)
+#define TEST_GFX 0
+
+#if TEST_GFX
+static void test_gfx(struct intel_dp *dp)
+{
+ int i;
+
+ /* This is a sanity test code which fills the screen with two bands --
+ green and blue. It is very useful to ensure all the initializations
+ are made right. Thus, to be used only for testing, not otherwise
+ */
+ for (i = 0; i < (dp->edid.va - 4); i++) {
+ u32 *l;
+ int j;
+ u32 tcolor = 0x0ff;
+ for (j = 0; j < (dp->edid.ha-4); j++) {
+ if (j == (dp->edid.ha/2)) {
+ tcolor = 0xff00;
+ }
+ l = (u32*)(graphics + i * dp->stride + j * sizeof(tcolor));
+ memcpy(l,&tcolor,sizeof(tcolor));
+ }
+ }
+}
+#else
+static void test_gfx(struct intel_dp *dp) {}
+#endif
+
+int i915lightup(unsigned int pphysbase, unsigned int pmmio,
+ unsigned int pgfx, unsigned int init_fb)
{
int must_cycle_power = 0;
struct intel_dp adp, *dp = &adp;
- /* frame buffer pointer */
- /* u32 *l; */
int i;
int edid_ok;
- /* u32 tcolor = 0xff; */
int pixels = FRAME_BUFFER_BYTES/64;
mmio = (void *)pmmio;
- addrport = piobase;
- dataport = addrport + 4;
physbase = pphysbase;
graphics = pgfx;
printk(BIOS_SPEW,
"i915lightup: graphics %p mmio %p"
- "addrport %04x physbase %08x\n",
- (void *)graphics, mmio, addrport, physbase);
+ "physbase %08x\n",
+ (void *)graphics, mmio, physbase);
void runio(struct intel_dp *dp);
void runlinux(struct intel_dp *dp);
-
- dp->gen = 8; // ??
+ dp->gen = 8; // This is gen 8 which we believe is Haswell
dp->is_haswell = 1;
dp->DP = 0x2;
/* These values are used for training the link */
@@ -308,6 +311,7 @@ int i915lightup(unsigned int pphysbase, unsigned int piobase,
dp->panel_power_cycle_delay = 600;
dp->pipe = PIPE_A;
dp->port = PORT_A;
+ dp->plane = PLANE_A;
dp->clock = 160000;
dp->bpp = 32;
dp->type = INTEL_OUTPUT_EDP;
@@ -327,8 +331,6 @@ int i915lightup(unsigned int pphysbase, unsigned int piobase,
memset((void*)graphics, 0, 4096);
}
- //intel_prepare_ddi_buffers(0, 0);
- //ironlake_edp_panel_vdd_on(dp);
dp->address = 0x50;
if ( !intel_dp_get_dpcd(dp) )
@@ -351,9 +353,7 @@ int i915lightup(unsigned int pphysbase, unsigned int piobase,
dp_init_dim_regs(dp);
- /* more undocumented stuff. */
- /* possibly not even needed. */
- io_i915_write32(0x00000021,0x6f410);
+ intel_ddi_set_pipe_settings(dp);
runio(dp);
@@ -362,31 +362,19 @@ int i915lightup(unsigned int pphysbase, unsigned int piobase,
pixels = dp->edid.ha * (dp->edid.va-4) * 4;
printk(BIOS_SPEW, "ha=%d, va=%d\n",dp->edid.ha, dp->edid.va);
- /* for (i = 0; i < (dp->edid.va - 4); i++) { */
- /* int j; */
- /* tcolor = 0x0ff; */
- /* for (j = 0; j < (dp->edid.ha-4); j++) { */
- /* if (j == (dp->edid.ha/2)) { */
- /* tcolor = 0xff00; */
- /* } */
- /* l = (u32*)(graphics + i * dp->stride + j * sizeof(tcolor)); */
- /* memcpy(l,&tcolor,sizeof(tcolor)); */
- /* } */
- /* } */
+ test_gfx(dp);
set_vbe_mode_info_valid(&dp->edid, graphics);
i915_init_done = 1;
- //io_i915_write32( 0x80000000,BLC_PWM_CPU_CTL2);
- //io_i915_write32( 0x80000000,BLC_PWM_PCH_CTL1);
return i915_init_done;
fail:
printk(BIOS_SPEW, "Graphics could not be started;");
if (0 && must_cycle_power){
printk(BIOS_SPEW, "Turn off power and wait ...");
- io_i915_write32(0xabcd0000, PCH_PP_CONTROL);
+ gtt_write(PCH_PP_CONTROL,0xabcd0000);
udelay(600000);
- io_i915_write32(0xabcd000f, PCH_PP_CONTROL);
+ gtt_write(PCH_PP_CONTROL,0xabcd000f);
}
printk(BIOS_SPEW, "Returning.\n");
return 0;
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);
}
diff --git a/src/northbridge/intel/haswell/Kconfig b/src/northbridge/intel/haswell/Kconfig
index e06db75d5b..44ee71877d 100644
--- a/src/northbridge/intel/haswell/Kconfig
+++ b/src/northbridge/intel/haswell/Kconfig
@@ -24,6 +24,8 @@ config NORTHBRIDGE_INTEL_HASWELL
select REQUIRES_BLOB
select MMCONF_SUPPORT
select MMCONF_SUPPORT_DEFAULT
+ select INTEL_DDI
+ select INTEL_DP
if NORTHBRIDGE_INTEL_HASWELL
diff --git a/src/northbridge/intel/haswell/gma.c b/src/northbridge/intel/haswell/gma.c
index ee447bfc95..9dfba9a316 100644
--- a/src/northbridge/intel/haswell/gma.c
+++ b/src/northbridge/intel/haswell/gma.c
@@ -25,7 +25,9 @@
#include <device/pci.h>
#include <device/pci_ids.h>
#include <drivers/intel/gma/i915_reg.h>
+#include <drivers/intel/gma/i915.h>
#include <cpu/intel/haswell/haswell.h>
+#include <stdlib.h>
#include "chip.h"
#include "haswell.h"
@@ -126,12 +128,12 @@ u32 map_oprom_vendev(u32 vendev)
static struct resource *gtt_res = NULL;
-static inline u32 gtt_read(u32 reg)
+u32 gtt_read(u32 reg)
{
return read32(gtt_res->base + reg);
}
-static inline void gtt_write(u32 reg, u32 data)
+void gtt_write(u32 reg, u32 data)
{
write32(gtt_res->base + reg, data);
}
@@ -209,7 +211,10 @@ static void gma_pm_init_pre_vbios(struct device *dev)
gtt_poll(0x138124, (1 << 31), (0 << 31));
/* Enable PM Interrupts */
- gtt_write(0x4402c, 0x03000076);
+ gtt_write(GEN6_PMIER, GEN6_PM_MBOX_EVENT | GEN6_PM_THERMAL_EVENT |
+ GEN6_PM_RP_DOWN_TIMEOUT | GEN6_PM_RP_UP_THRESHOLD |
+ GEN6_PM_RP_DOWN_THRESHOLD | GEN6_PM_RP_UP_EI_EXPIRED |
+ GEN6_PM_RP_DOWN_EI_EXPIRED);
/* Enable RC6 in idle */
gtt_write(0x0a094, 0x00040000);
@@ -218,6 +223,26 @@ static void gma_pm_init_pre_vbios(struct device *dev)
gtt_write_regs(haswell_gt_lock);
}
+static void init_display_planes(void)
+{
+ int pipe, plane;
+
+ /* Disable cursor mode */
+ for (pipe = PIPE_A; pipe <= PIPE_C; pipe++) {
+ gtt_write(CURCNTR_IVB(pipe), CURSOR_MODE_DISABLE);
+ gtt_write(CURBASE_IVB(pipe), 0x00000000);
+ }
+
+ /* Disable primary plane and set surface base address*/
+ for (plane = PLANE_A; plane <= PLANE_C; plane++) {
+ gtt_write(DSPCNTR(plane), DISPLAY_PLANE_DISABLE);
+ gtt_write(DSPSURF(plane), 0x00000000);
+ }
+
+ /* Disable VGA display */
+ gtt_write(CPU_VGACNTRL, CPU_VGA_DISABLE);
+}
+
static void gma_setup_panel(struct device *dev)
{
struct northbridge_intel_haswell_config *conf = dev->chip_info;
@@ -226,122 +251,90 @@ static void gma_setup_panel(struct device *dev)
printk(BIOS_DEBUG, "GT Power Management Init (post VBIOS)\n");
/* Setup Digital Port Hotplug */
- reg32 = gtt_read(0xc4030);
+ reg32 = gtt_read(PCH_PORT_HOTPLUG);
if (!reg32) {
reg32 = (conf->gpu_dp_b_hotplug & 0x7) << 2;
reg32 |= (conf->gpu_dp_c_hotplug & 0x7) << 10;
reg32 |= (conf->gpu_dp_d_hotplug & 0x7) << 18;
- gtt_write(0xc4030, reg32);
+ gtt_write(PCH_PORT_HOTPLUG, reg32);
}
/* Setup Panel Power On Delays */
- reg32 = gtt_read(0xc7208);
+ reg32 = gtt_read(PCH_PP_ON_DELAYS);
if (!reg32) {
reg32 = (conf->gpu_panel_port_select & 0x3) << 30;
reg32 |= (conf->gpu_panel_power_up_delay & 0x1fff) << 16;
reg32 |= (conf->gpu_panel_power_backlight_on_delay & 0x1fff);
- gtt_write(0xc7208, reg32);
+ gtt_write(PCH_PP_ON_DELAYS, reg32);
}
/* Setup Panel Power Off Delays */
- reg32 = gtt_read(0xc720c);
+ reg32 = gtt_read(PCH_PP_OFF_DELAYS);
if (!reg32) {
reg32 = (conf->gpu_panel_power_down_delay & 0x1fff) << 16;
reg32 |= (conf->gpu_panel_power_backlight_off_delay & 0x1fff);
- gtt_write(0xc720c, reg32);
+ gtt_write(PCH_PP_OFF_DELAYS, reg32);
}
/* Setup Panel Power Cycle Delay */
if (conf->gpu_panel_power_cycle_delay) {
- reg32 = gtt_read(0xc7210);
+ reg32 = gtt_read(PCH_PP_DIVISOR);
reg32 &= ~0xff;
reg32 |= conf->gpu_panel_power_cycle_delay & 0xff;
- gtt_write(0xc7210, reg32);
+ gtt_write(PCH_PP_DIVISOR, reg32);
}
/* Enable Backlight if needed */
if (conf->gpu_cpu_backlight) {
- gtt_write(0x48250, (1 << 31));
- gtt_write(0x48254, conf->gpu_cpu_backlight);
+ gtt_write(BLC_PWM_CPU_CTL2, BLC_PWM2_ENABLE);
+ gtt_write(BLC_PWM_CPU_CTL, conf->gpu_cpu_backlight);
}
if (conf->gpu_pch_backlight) {
- gtt_write(0xc8250, (1 << 31));
- gtt_write(0xc8254, conf->gpu_pch_backlight);
+ gtt_write(BLC_PWM_PCH_CTL1, BLM_PCH_PWM_ENABLE);
+ gtt_write(BLC_PWM_PCH_CTL2, conf->gpu_pch_backlight);
}
/* Get display,pipeline,and DDI registers into a basic sane state */
- /* not all these have documented names. */
- gtt_write(0x45400, 0x80000000);
- gtt_poll( 0x00045400, 0xc0000000, 0xc0000000);
- gtt_write(_CURACNTR, 0x00000000);
- gtt_write(_DSPACNTR, (/* DISPPLANE_SEL_PIPE(0=A,1=B) */0x0<<24)|0x00000000);
- gtt_write(_DSPBCNTR, 0x00000000);
- gtt_write(CPU_VGACNTRL, 0x8000298e);
- gtt_write(_DSPASIZE+0xc, 0x00000000);
- gtt_write(_DSPBSURF, 0x00000000);
- gtt_write(0x4f008, 0x00000000);
- gtt_write(0x4f008, 0x00000000);
- gtt_write(0x4f008, 0x00000000);
- gtt_write(0x4f040, 0x01000001);
- gtt_write(0x4f044, 0x00000000);
- gtt_write(0x4f048, 0x00000000);
- gtt_write(0x4f04c, 0x03030000);
- gtt_write(0x4f050, 0x00000000);
- gtt_write(0x4f054, 0x00000001);
- gtt_write(0x4f058, 0x00000000);
- gtt_write(0x4f04c, 0x03450000);
- gtt_write(0x4f04c, 0x45450000);
- gtt_write(0x4f000, 0x03000400);
- gtt_write(DP_A, 0x00000091); /* DDI-A enable */
+ power_well_enable();
+
+ init_display_planes();
+
+ /* DDI-A params set:
+ bit 0: Display detected (RO)
+ bit 4: DDI A supports 4 lanes and DDI E is not used
+ bit 7: DDI buffer is idle
+ */
+ gtt_write(DDI_BUF_CTL_A, DDI_BUF_IS_IDLE | DDI_A_4_LANES | DDI_INIT_DISPLAY_DETECTED);
+
+ /* Set FDI registers - is this required? */
gtt_write(_FDI_RXA_MISC, 0x00200090);
gtt_write(_FDI_RXA_MISC, 0x0a000000);
- gtt_write(0x46408, 0x00000070);
+
+ /* Enable the handshake with PCH display when processing reset */
+ gtt_write(NDE_RSTWRN_OPT, RST_PCH_HNDSHK_EN);
+
+ /* undocumented */
gtt_write(0x42090, 0x04000000);
- gtt_write(0x4f050, 0xc0000000);
gtt_write(0x9840, 0x00000000);
gtt_write(0x42090, 0xa4000000);
- gtt_write(SOUTH_DSPCLK_GATE_D, 0x00001000);
+
+ gtt_write(SOUTH_DSPCLK_GATE_D, PCH_LP_PARTITION_LEVEL_DISABLE);
+
+ /* undocumented */
gtt_write(0x42080, 0x00004000);
- gtt_write(0x64f80, 0x00ffffff);
- gtt_write(0x64f84, 0x0007000e);
- gtt_write(0x64f88, 0x00d75fff);
- gtt_write(0x64f8c, 0x000f000a);
- gtt_write(0x64f90, 0x00c30fff);
- gtt_write(0x64f94, 0x00060006);
- gtt_write(0x64f98, 0x00aaafff);
- gtt_write(0x64f9c, 0x001e0000);
- gtt_write(0x64fa0, 0x00ffffff);
- gtt_write(0x64fa4, 0x000f000a);
- gtt_write(0x64fa8, 0x00d75fff);
- gtt_write(0x64fac, 0x00160004);
- gtt_write(0x64fb0, 0x00c30fff);
- gtt_write(0x64fb4, 0x001e0000);
- gtt_write(0x64fb8, 0x00ffffff);
- gtt_write(0x64fbc, 0x00060006);
- gtt_write(0x64fc0, 0x00d75fff);
- gtt_write(0x64fc4, 0x001e0000);
- gtt_write(DDI_BUF_TRANS_A, 0x00ffffff);
- gtt_write(DDI_BUF_TRANS_A+0x4, 0x0006000e);
- gtt_write(DDI_BUF_TRANS_A+0x8, 0x00d75fff);
- gtt_write(DDI_BUF_TRANS_A+0xc, 0x0005000a);
- gtt_write(DDI_BUF_TRANS_A+0x10, 0x00c30fff);
- gtt_write(DDI_BUF_TRANS_A+0x14, 0x00040006);
- gtt_write(DDI_BUF_TRANS_A+0x18, 0x80aaafff);
- gtt_write(DDI_BUF_TRANS_A+0x1c, 0x000b0000);
- gtt_write(DDI_BUF_TRANS_A+0x20, 0x00ffffff);
- gtt_write(DDI_BUF_TRANS_A+0x24, 0x0005000a);
- gtt_write(DDI_BUF_TRANS_A+0x28, 0x00d75fff);
- gtt_write(DDI_BUF_TRANS_A+0x2c, 0x000c0004);
- gtt_write(DDI_BUF_TRANS_A+0x30, 0x80c30fff);
- gtt_write(DDI_BUF_TRANS_A+0x34, 0x000b0000);
- gtt_write(DDI_BUF_TRANS_A+0x38, 0x00ffffff);
- gtt_write(DDI_BUF_TRANS_A+0x3c, 0x00040006);
- gtt_write(DDI_BUF_TRANS_A+0x40, 0x80d75fff);
- gtt_write(DDI_BUF_TRANS_A+0x44, 0x000b0000);
- gtt_write(DIGITAL_PORT_HOTPLUG_CNTRL,
- DIGITAL_PORTA_HOTPLUG_ENABLE |0x00000010);
- gtt_write(SDEISR+0x30,
- PORTD_HOTPLUG_ENABLE | PORTB_HOTPLUG_ENABLE |0x10100010);
+
+ /* Prepare DDI buffers for DP and FDI */
+ intel_prepare_ddi();
+
+ /* Hot plug detect buffer enabled for port A */
+ gtt_write(DIGITAL_PORT_HOTPLUG_CNTRL, DIGITAL_PORTA_HOTPLUG_ENABLE);
+
+ /* Enable HPD buffer for digital port D and B */
+ gtt_write(PCH_PORT_HOTPLUG, PORTD_HOTPLUG_ENABLE | PORTB_HOTPLUG_ENABLE);
+
+ /* Bits 4:0 - Power cycle delay (default 0x6 --> 500ms)
+ Bits 31:8 - Reference divider (0x0004af ----> 24MHz)
+ */
gtt_write(PCH_PP_DIVISOR, 0x0004af06);
}
@@ -406,19 +399,16 @@ static void gma_func0_init(struct device *dev)
#if CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT
printk(BIOS_SPEW, "NATIVE graphics, run native enable\n");
- u32 iobase, mmiobase, physbase;
+ u32 mmiobase, physbase;
/* Default set to 1 since it might be required for
stuff like seabios */
unsigned int init_fb = 1;
- iobase = dev->resource_list[2].base;
mmiobase = dev->resource_list[0].base;
physbase = pci_read_config32(dev, 0x5c) & ~0xf;
#ifdef CONFIG_CHROMEOS
init_fb = developer_mode_enabled() || recovery_mode_enabled();
#endif
- int i915lightup(unsigned int physbase, unsigned int iobase, unsigned int mmio,
- unsigned int gfx, unsigned int init_fb);
- lightup_ok = i915lightup(physbase, iobase, mmiobase, graphics_base, init_fb);
+ lightup_ok = i915lightup(physbase, mmiobase, graphics_base, init_fb);
if (lightup_ok)
gfx_set_init_done(1);
#endif
diff --git a/src/northbridge/intel/nehalem/gma.c b/src/northbridge/intel/nehalem/gma.c
index 2470b0f4a0..f76fbc4e15 100644
--- a/src/northbridge/intel/nehalem/gma.c
+++ b/src/northbridge/intel/nehalem/gma.c
@@ -272,12 +272,12 @@ u32 map_oprom_vendev(u32 vendev)
static struct resource *gtt_res = NULL;
-static inline u32 gtt_read(u32 reg)
+u32 gtt_read(u32 reg)
{
return read32(gtt_res->base + reg);
}
-static inline void gtt_write(u32 reg, u32 data)
+void gtt_write(u32 reg, u32 data)
{
write32(gtt_res->base + reg, data);
}
diff --git a/src/northbridge/intel/sandybridge/gma.c b/src/northbridge/intel/sandybridge/gma.c
index 0add055623..f305b81458 100644
--- a/src/northbridge/intel/sandybridge/gma.c
+++ b/src/northbridge/intel/sandybridge/gma.c
@@ -595,7 +595,7 @@ static void gma_func0_init(struct device *dev)
physbase = pci_read_config32(dev, 0x5c) & ~0xf;
graphics_base = dev->resource_list[1].base;
- int lightup_ok = i915lightup(conf, physbase, iobase, mmiobase, graphics_base);
+ int lightup_ok = i915lightup_sandy(conf, physbase, iobase, mmiobase, graphics_base);
if (lightup_ok)
gfx_set_init_done(1);
#endif
diff --git a/src/northbridge/intel/sandybridge/gma.h b/src/northbridge/intel/sandybridge/gma.h
index bc5d986e7a..b7502cda34 100644
--- a/src/northbridge/intel/sandybridge/gma.h
+++ b/src/northbridge/intel/sandybridge/gma.h
@@ -168,5 +168,5 @@ typedef struct {
struct northbridge_intel_sandybridge_config;
-int i915lightup(const struct northbridge_intel_sandybridge_config *info,
+int i915lightup_sandy(const struct northbridge_intel_sandybridge_config *info,
u32 physbase, u16 pio, u32 mmio, u32 lfb);
diff --git a/src/northbridge/intel/sandybridge/gma_ivybridge_lvds.c b/src/northbridge/intel/sandybridge/gma_ivybridge_lvds.c
index ff877ffcb6..53fbfda3bc 100644
--- a/src/northbridge/intel/sandybridge/gma_ivybridge_lvds.c
+++ b/src/northbridge/intel/sandybridge/gma_ivybridge_lvds.c
@@ -207,7 +207,7 @@ static void enable_port(u32 mmio)
read32(mmio + 0xc4000);
}
-int i915lightup(const struct northbridge_intel_sandybridge_config *info,
+int i915lightup_sandy(const struct northbridge_intel_sandybridge_config *info,
u32 physbase, u16 piobase, u32 mmio, u32 lfb)
{
int i;
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-11 07:58:03 +0000