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-rw-r--r--src/mainboard/intel/wtm2/graphics.c2
-rw-r--r--src/mainboard/intel/wtm2/i915.c110
-rw-r--r--src/mainboard/intel/wtm2/i915io.h76
-rw-r--r--src/mainboard/intel/wtm2/intel_dp.c20
4 files changed, 31 insertions, 177 deletions
diff --git a/src/mainboard/intel/wtm2/graphics.c b/src/mainboard/intel/wtm2/graphics.c
index 79820b9fe9..6d375e6a27 100644
--- a/src/mainboard/intel/wtm2/graphics.c
+++ b/src/mainboard/intel/wtm2/graphics.c
@@ -20,7 +20,7 @@
* will be all machine generated. Avoid editing.
*/
#include <console/console.h>
-#include "i915io.h"
+#include <device/i915.h>
void graphics_register_reset(u32 aux_ctl, u32 aux_data, int verbose)
{
diff --git a/src/mainboard/intel/wtm2/i915.c b/src/mainboard/intel/wtm2/i915.c
index 9d0c27d850..df8813888f 100644
--- a/src/mainboard/intel/wtm2/i915.c
+++ b/src/mainboard/intel/wtm2/i915.c
@@ -42,7 +42,26 @@
#include <cpu/x86/mtrr.h>
#include <cpu/x86/msr.h>
#include <edid.h>
-#include "i915io.h"
+#include <device/i915.h>
+
+/* how many bytes do we need for the framebuffer?
+ * Well, this gets messy. To get an exact answer, we have
+ * to ask the panel, but we'd rather zero the memory
+ * and set up the gtt while the panel powers up. So,
+ * we take a reasonable guess, secure in the knowledge that the
+ * MRC has to overestimate the number of bytes used.
+ * 8 MiB is a very safe guess. There may be a better way later, but
+ * fact is, the initial framebuffer is only very temporary. And taking
+ * a little long is ok; this is done much faster than the AUX
+ * channel is ready for IO.
+ */
+#define FRAME_BUFFER_BYTES (8*MiB)
+/* how many 4096-byte pages do we need for the framebuffer?
+ * There are hard ways to get this, and easy ways:
+ * there are FRAME_BUFFER_BYTES/4096 pages, since pages are 4096
+ * on this chip (and in fact every Intel graphics chip we've seen).
+ */
+#define FRAME_BUFFER_PAGES (FRAME_BUFFER_BYTES/(4096))
static int verbose = 0;
@@ -139,95 +158,6 @@ static unsigned long globalmicroseconds(void)
static int i915_init_done = 0;
-/* fill the palette. This runs when the P opcode is hit. */
-static void palette(void)
-{
- int i;
- unsigned long color = 0;
-
- for(i = 0; i < 256; i++, color += 0x010101){
- io_i915_WRITE32(color, _LGC_PALETTE_A + (i<<2));
- }
-}
-
-static unsigned long times[4096];
-
-static int run(int index)
-{
- int i, prev = 0;
- struct iodef *id, *lastidread = 0;
- unsigned long u, t;
- if (index >= niodefs)
- return index;
- /* state machine! */
- for(i = index, id = &iodefs[i]; id->op; i++, id++){
- switch(id->op){
- case M:
- if (verbose & vmsg) printk(BIOS_SPEW, "%ld: %s\n",
- globalmicroseconds(), id->msg);
- break;
- case P:
- palette();
- break;
- case R:
- u = READ32(id->addr);
- if (verbose & vio)
- printk(BIOS_SPEW, "\texpect %08lx\n", id->data);
- /* we're looking for something. */
- if (lastidread->addr == id->addr){
- /* they're going to be polling.
- * just do it 1000 times
- */
- for(t = 0; t < 1000 && id->data != u; t++){
- u = READ32(id->addr);
- }
- if (verbose & vspin) printk(BIOS_SPEW,
- "%s: # loops %ld got %08lx want %08lx\n",
- regname(id->addr),
- t, u, id->data);
- }
- lastidread = id;
- break;
- case W:
- WRITE32(id->data, id->addr);
- if (id->addr == PCH_PP_CONTROL){
- if (verbose & vio)
- printk(BIOS_SPEW, "PCH_PP_CONTROL\n");
- switch(id->data & 0xf){
- case 8: break;
- case 7: break;
- default: udelay(100000);
- if (verbose & vio)
- printk(BIOS_SPEW, "U %d\n", 100000);
- }
- }
- break;
- case V:
- if (id->count < 8){
- prev = verbose;
- verbose = id->count;
- } else {
- verbose = prev;
- }
- printk(BIOS_SPEW, "Change verbosity to %d\n", verbose);
- break;
- case I:
- printk(BIOS_SPEW, "run: return %d\n", i+1);
- return i+1;
- break;
- default:
- printk(BIOS_SPEW, "BAD TABLE, opcode %d @ %d\n", id->op, i);
- return -1;
- }
- if (id->udelay)
- udelay(id->udelay);
- if (i < ARRAY_SIZE(times))
- times[i] = globalmicroseconds();
- }
- printk(BIOS_SPEW, "run: return %d\n", i);
- return i+1;
-}
-
int i915lightup(unsigned int physbase, unsigned int iobase, unsigned int mmio,
unsigned int gfx);
diff --git a/src/mainboard/intel/wtm2/i915io.h b/src/mainboard/intel/wtm2/i915io.h
deleted file mode 100644
index 52842adb45..0000000000
--- a/src/mainboard/intel/wtm2/i915io.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2012 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
- */
-
-#include <northbridge/intel/haswell/i915_reg.h>
-#include <northbridge/intel/haswell/drm_dp_helper.h>
-
-/* things that are, strangely, not defined anywhere? */
-#define PCH_PP_UNLOCK 0xabcd0000
-#define WMx_LP_SR_EN (1<<31)
-#define PRB0_TAIL 0x02030
-#define PRB0_HEAD 0x02034
-#define PRB0_START 0x02038
-#define PRB0_CTL 0x0203c
-
-
-/* mainboard-specific defines */
-/* how many bytes do we need for the framebuffer?
- * Well, this gets messy. To get an exact answer, we have
- * to ask the panel, but we'd rather zero the memory
- * and set up the gtt while the panel powers up. So,
- * we take a reasonable guess, secure in the knowledge that the
- * MRC has to overestimate the number of bytes used.
- * 8 MiB is a very safe guess. There may be a better way later, but
- * fact is, the initial framebuffer is only very temporary. And taking
- * a little long is ok; this is done much faster than the AUX
- * channel is ready for IO.
- */
-#define FRAME_BUFFER_BYTES (8*MiB)
-/* how many 4096-byte pages do we need for the framebuffer?
- * There are hard ways to get this, and easy ways:
- * there are FRAME_BUFFER_BYTES/4096 pages, since pages are 4096
- * on this chip.
- */
-#define FRAME_BUFFER_PAGES (FRAME_BUFFER_BYTES/(4096))
-
-
-/* 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.
- */
-enum {
- vio = 2, /* dump every IO */
- vspin = 4, /* print # of times we spun on a register value */
-};
-
-/* i915.c */
-unsigned long io_i915_READ32(unsigned long addr);
-void io_i915_WRITE32(unsigned long val, unsigned long addr);
-int vbe_mode_info_valid(void);
-void fill_lb_framebuffer(struct lb_framebuffer *framebuffer);
-
-/* intel_dp.c */
-u32 pack_aux(u32 *src, int src_bytes);
-void unpack_aux(u32 src, u8 *dst, int dst_bytes);
-int intel_dp_aux_ch(u32 ch_ctl, u32 ch_data, u32 *send, int send_bytes,
- u8 *recv, int recv_size);
-
-/* i915io.c */
-void graphics_register_reset(u32 aux_ctl, u32 aux_data, int verbose);
diff --git a/src/mainboard/intel/wtm2/intel_dp.c b/src/mainboard/intel/wtm2/intel_dp.c
index 8fac6f8910..e7222a3f2b 100644
--- a/src/mainboard/intel/wtm2/intel_dp.c
+++ b/src/mainboard/intel/wtm2/intel_dp.c
@@ -30,7 +30,7 @@
#include <console/console.h>
#include <stdint.h>
#include <delay.h>
-#include "i915io.h"
+#include <device/i915.h>
u32
pack_aux(u32 *src32, int src_bytes)
@@ -79,7 +79,7 @@ intel_dp_aux_ch(u32 ch_ctl, u32 ch_data, u32 *send, int send_bytes,
/* Try to wait for any previous AUX channel activity */
for (try = 0; try < 3; try++) {
- status = io_i915_READ32(ch_ctl);
+ status = io_i915_read32(ch_ctl);
if ((status & DP_AUX_CH_CTL_SEND_BUSY) == 0)
break;
udelay(1000);
@@ -87,8 +87,9 @@ intel_dp_aux_ch(u32 ch_ctl, u32 ch_data, u32 *send, int send_bytes,
if (try == 3) {
printk(BIOS_SPEW, "[000000.0] [drm:%s], ", __func__);
- printk(BIOS_SPEW, "dp_aux_ch not started status 0x%08lx\n",
- io_i915_READ32(ch_ctl));
+ status = io_i915_read32(ch_ctl);
+ printk(BIOS_SPEW, "dp_aux_ch not started status 0x%08x\n",
+ status);
return -1;
}
@@ -96,10 +97,10 @@ intel_dp_aux_ch(u32 ch_ctl, u32 ch_data, u32 *send, int send_bytes,
for (try = 0; try < 5; try++) {
/* Load the send data into the aux channel data registers */
for (i = 0; i < send_bytes; i += 4)
- io_i915_WRITE32(send[i], ch_data + i);
+ io_i915_write32(send[i], ch_data + i);
/* Send the command and wait for it to complete */
- io_i915_WRITE32(
+ 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) |
@@ -109,14 +110,14 @@ intel_dp_aux_ch(u32 ch_ctl, u32 ch_data, u32 *send, int send_bytes,
DP_AUX_CH_CTL_TIME_OUT_ERROR |
DP_AUX_CH_CTL_RECEIVE_ERROR, ch_ctl);
for (;;) {
- status = io_i915_READ32(ch_ctl);
+ status = io_i915_read32(ch_ctl);
if ((status & DP_AUX_CH_CTL_SEND_BUSY) == 0)
break;
udelay(100);
}
/* Clear done status and any errors */
- io_i915_WRITE32(
+ io_i915_write32(
status |
DP_AUX_CH_CTL_DONE |
DP_AUX_CH_CTL_TIME_OUT_ERROR |
@@ -159,9 +160,8 @@ intel_dp_aux_ch(u32 ch_ctl, u32 ch_data, u32 *send, int send_bytes,
recv_bytes = recv_size;
for (i = 0; i < recv_bytes; i += 4)
- unpack_aux(io_i915_READ32(ch_data + i),
+ unpack_aux(io_i915_read32(ch_data + i),
recv + i, recv_bytes - i);
return recv_bytes;
}
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 12:19:56 +0000