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Diffstat (limited to 'src/mainboard/google/falco/gma.c')
-rw-r--r--src/mainboard/google/falco/gma.c156
1 files changed, 11 insertions, 145 deletions
diff --git a/src/mainboard/google/falco/gma.c b/src/mainboard/google/falco/gma.c
index f3316f4a47..4e32b289d8 100644
--- a/src/mainboard/google/falco/gma.c
+++ b/src/mainboard/google/falco/gma.c
@@ -43,6 +43,7 @@
#include <cpu/x86/msr.h>
#include <edid.h>
#include <drivers/intel/gma/i915.h>
+#include <northbridge/intel/haswell/haswell.h>
#include "mainboard.h"
/*
@@ -86,52 +87,6 @@
*/
#define FRAME_BUFFER_PAGES (FRAME_BUFFER_BYTES/(4096))
-static unsigned int *mmio;
-static unsigned int graphics;
-static unsigned int physbase;
-
-void ug1(int);
-void ug2(int);
-void ug22(int);
-void ug3(int);
-
-/* 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.
- * The setgtt function adds a further bit of flexibility:
- * it allows you to set a range (the first two parameters) to point
- * to a physical address (third parameter);the physical address is
- * incremented by a count (fourth parameter) for each GTT in the
- * range.
- * Why do it this way? For ultrafast startup,
- * we can point all the GTT entries to point to one page,
- * and set that page to 0s:
- * memset(physbase, 0, 4096);
- * setgtt(0, 4250, physbase, 0);
- * this takes about 2 ms, and is a win because zeroing
- * the page takes a up to 200 ms.
- * This call sets the GTT to point to a linear range of pages
- * starting at physbase.
- */
-
-#define GTT_PTE_BASE (2 << 20)
-
-static void
-setgtt(int start, int end, unsigned long base, int inc)
-{
- int i;
-
- for(i = start; i < end; i++){
- u32 word = base + i*inc;
- /* note: we've confirmed by checking
- * the values that mrc does no
- * useful setup before we run this.
- */
- gtt_write(GTT_PTE_BASE + i * 4, word|1);
- gtt_read(GTT_PTE_BASE + i * 4);
- }
-}
-
static int i915_init_done = 0;
/* fill the palette. */
@@ -145,75 +100,6 @@ static void palette(void)
}
}
-void dp_init_dim_regs(struct intel_dp *dp);
-void dp_init_dim_regs(struct intel_dp *dp)
-{
- struct edid *edid = &(dp->edid);
-
- dp->bytes_per_pixel = edid->framebuffer_bits_per_pixel / 8;
-
- dp->stride = edid->bytes_per_line;
-
- dp->htotal = (edid->ha - 1) | ((edid->ha + edid->hbl - 1) << 16);
-
- dp->hblank = (edid->ha - 1) | ((edid->ha + edid->hbl - 1) << 16);
-
- dp->hsync = (edid->ha + edid->hso - 1) |
- ((edid->ha + edid->hso + edid->hspw - 1) << 16);
-
- dp->vtotal = (edid->va - 1) | ((edid->va + edid->vbl - 1) << 16);
-
- dp->vblank = (edid->va - 1) | ((edid->va + edid->vbl - 1) << 16);
-
- dp->vsync = (edid->va + edid->vso - 1) |
- ((edid->va + edid->vso + edid->vspw - 1) << 16);
-
- /* PIPEASRC is wid-1 x ht-1 */
- dp->pipesrc = (edid->ha-1)<<16 | (edid->va-1);
-
- dp->pfa_pos = 0;
-
- dp->pfa_ctl = 0x80800000;
-
- dp->pfa_sz = (edid->ha << 16) | (edid->va);
-
- dp->flags = intel_ddi_calc_transcoder_flags(3 * 6, /* bits per color is 6 */
- dp->port,
- dp->pipe,
- dp->type,
- dp->lane_count,
- dp->pfa_sz,
- dp->edid.phsync == '+'?1:0,
- dp->edid.pvsync == '+'?1:0);
-
- dp->transcoder = intel_ddi_get_transcoder(dp->port,
- dp->pipe);
-
- intel_dp_compute_m_n(dp->pipe_bits_per_pixel,
- dp->lane_count,
- dp->edid.pixel_clock,
- dp->edid.link_clock,
- &dp->m_n);
-
- printk(BIOS_SPEW, "dp->stride = 0x%08x\n",dp->stride);
- printk(BIOS_SPEW, "dp->htotal = 0x%08x\n", dp->htotal);
- printk(BIOS_SPEW, "dp->hblank = 0x%08x\n", dp->hblank);
- printk(BIOS_SPEW, "dp->hsync = 0x%08x\n", dp->hsync);
- printk(BIOS_SPEW, "dp->vtotal = 0x%08x\n", dp->vtotal);
- printk(BIOS_SPEW, "dp->vblank = 0x%08x\n", dp->vblank);
- printk(BIOS_SPEW, "dp->vsync = 0x%08x\n", dp->vsync);
- printk(BIOS_SPEW, "dp->pipesrc = 0x%08x\n", dp->pipesrc);
- printk(BIOS_SPEW, "dp->pfa_pos = 0x%08x\n", dp->pfa_pos);
- printk(BIOS_SPEW, "dp->pfa_ctl = 0x%08x\n", dp->pfa_ctl);
- printk(BIOS_SPEW, "dp->pfa_sz = 0x%08x\n", dp->pfa_sz);
- printk(BIOS_SPEW, "dp->link_m = 0x%08x\n", dp->m_n.link_m);
- printk(BIOS_SPEW, "dp->link_n = 0x%08x\n", dp->m_n.link_n);
- printk(BIOS_SPEW, "0x6f030 = 0x%08x\n", TU_SIZE(dp->m_n.tu) | dp->m_n.gmch_m);
- printk(BIOS_SPEW, "0x6f030 = 0x%08x\n", dp->m_n.gmch_m);
- printk(BIOS_SPEW, "0x6f034 = 0x%08x\n", dp->m_n.gmch_n);
- printk(BIOS_SPEW, "dp->flags = 0x%08x\n", dp->flags);
-}
-
void mainboard_train_link(struct intel_dp *intel_dp)
{
u8 read_val;
@@ -289,25 +175,14 @@ void mainboard_set_port_clk_dp(struct intel_dp *intel_dp)
gtt_write(PORT_CLK_SEL(intel_dp->port), ddi_pll_sel);
}
-int i915lightup(unsigned int pphysbase, unsigned int pmmio,
- unsigned int pgfx, unsigned int init_fb)
+int panel_lightup(struct intel_dp *dp, unsigned int init_fb)
{
- int must_cycle_power = 0;
- struct intel_dp adp, *dp = &adp;
int i;
int edid_ok;
int pixels = FRAME_BUFFER_BYTES/64;
- mmio = (void *)pmmio;
- physbase = pphysbase;
- graphics = pgfx;
- printk(BIOS_SPEW,
- "i915lightup: graphics %p mmio %p"
- "physbase %08x\n",
- (void *)graphics, mmio, physbase);
-
void runio(struct intel_dp *dp);
- void runlinux(struct intel_dp *dp);
+
dp->gen = 8; // This is gen 8 which we believe is Haswell
dp->is_haswell = 1;
dp->DP = 0x2;
@@ -332,11 +207,12 @@ int i915lightup(unsigned int pphysbase, unsigned int pmmio,
all GTT entries point to the same page
2. Developer/Recovery mode: We do not zero out all
the pages pointed to by GTT in order to avoid wasting time */
- if (init_fb)
- setgtt(0, FRAME_BUFFER_PAGES, physbase, 4096);
- else {
- setgtt(0, FRAME_BUFFER_PAGES, physbase, 0);
- memset((void*)graphics, 0, 4096);
+ if (init_fb){
+ set_translation_table(0, FRAME_BUFFER_PAGES, dp->physbase, 4096);
+ memset((void *)dp->graphics, 0x55, FRAME_BUFFER_PAGES*4096);
+ } else {
+ set_translation_table(0, FRAME_BUFFER_PAGES, dp->physbase, 0);
+ memset((void*)dp->graphics, 0, 4096);
}
dp->address = 0x50;
@@ -355,11 +231,7 @@ int i915lightup(unsigned int pphysbase, unsigned int pmmio,
edid_ok = decode_edid(dp->rawedid, dp->edidlen, &dp->edid);
printk(BIOS_SPEW, "decode edid returns %d\n", edid_ok);
- dp->edid.link_clock = intel_dp_bw_code_to_link_rate(dp->link_bw);
-
- printk(BIOS_SPEW, "pixel_clock is %i, link_clock is %i\n",dp->edid.pixel_clock, dp->edid.link_clock);
-
- dp_init_dim_regs(dp);
+ compute_display_params(dp);
intel_ddi_set_pipe_settings(dp);
@@ -372,18 +244,12 @@ int i915lightup(unsigned int pphysbase, unsigned int pmmio,
test_gfx(dp);
- set_vbe_mode_info_valid(&dp->edid, graphics);
+ set_vbe_mode_info_valid(&dp->edid, (uintptr_t)dp->graphics);
i915_init_done = 1;
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 ...");
- gtt_write(PCH_PP_CONTROL,0xabcd0000);
- udelay(600000);
- gtt_write(PCH_PP_CONTROL,0xabcd000f);
- }
printk(BIOS_SPEW, "Returning.\n");
return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-11 07:40:20 +0000