b890a1228d
As per discussion with lawyers[tm], it's not a good idea to
shorten the license header too much - not for legal reasons
but because there are tools that look for them, and giving
them a standard pattern simplifies things.
However, we got confirmation that we don't have to update
every file ever added to coreboot whenever the FSF gets a
new lease, but can drop the address instead.
util/kconfig is excluded because that's imported code that
we may want to synchronize every now and then.
$ find * -type f -exec sed -i "s:Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, *MA[, ]*02110-1301[, ]*USA:Foundation, Inc.:" {} +
$ find * -type f -exec sed -i "s:Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA:Foundation, Inc.:" {} +
$ find * -type f -exec sed -i "s:Foundation, Inc., 59 Temple Place[-, ]*Suite 330, Boston, MA *02111-1307[, ]*USA:Foundation, Inc.:" {} +
$ find * -type f -exec sed -i "s:Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.:Foundation, Inc.:" {} +
$ find * -type f
-a \! -name \*.patch \
-a \! -name \*_shipped \
-a \! -name LICENSE_GPL \
-a \! -name LGPL.txt \
-a \! -name COPYING \
-a \! -name DISCLAIMER \
-exec sed -i "/Foundation, Inc./ N;s:Foundation, Inc.* USA\.* *:Foundation, Inc. :;s:Foundation, Inc. $:Foundation, Inc.:" {} +
Change-Id: Icc968a5a5f3a5df8d32b940f9cdb35350654bef9
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/9233
Tested-by: build bot (Jenkins)
Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
/*
|
|
* This file is part of the coreboot project.
|
|
*
|
|
* Copyright (C) 2014 Vladimir Serbinenko <phcoder@gmail.com>
|
|
*
|
|
* 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, or (at your option)
|
|
* any later verion 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.
|
|
*/
|
|
|
|
#include <arch/io.h>
|
|
#include <console/console.h>
|
|
#include <delay.h>
|
|
|
|
#include "i915_reg.h"
|
|
#include "edid.h"
|
|
|
|
static void wait_rdy(u8 *mmio)
|
|
{
|
|
unsigned try = 100;
|
|
|
|
while (try--) {
|
|
if (read32(mmio + 8) & (1 << 11))
|
|
return;
|
|
udelay(10);
|
|
}
|
|
}
|
|
|
|
static void intel_gmbus_stop_bus(u8 * mmio, u8 bus)
|
|
{
|
|
wait_rdy(mmio);
|
|
write32(mmio + 4 * 0, bus);
|
|
wait_rdy(mmio);
|
|
write32(mmio + 4 * 8, 0);
|
|
write32(mmio + 4 * 1, 0x4e0400a1);
|
|
wait_rdy(mmio);
|
|
write32(mmio + 4 * 8, 0);
|
|
write32(mmio + 4 * 1, 0x80000000);
|
|
write32(mmio + 4 * 1, 0x00000000);
|
|
wait_rdy(mmio);
|
|
write32(mmio + 4 * 1, 0x480000a0);
|
|
wait_rdy(mmio);
|
|
write32(mmio + 4 * 0, 0x48000000);
|
|
write32(mmio + 4 * 2, 0x00008000);
|
|
}
|
|
|
|
void intel_gmbus_stop(u8 *mmio)
|
|
{
|
|
intel_gmbus_stop_bus(mmio, 6);
|
|
intel_gmbus_stop_bus(mmio, 2);
|
|
}
|
|
|
|
void intel_gmbus_read_edid(u8 *mmio, u8 bus, u8 slave, u8 *edid, u32 edid_size)
|
|
{
|
|
int i;
|
|
|
|
slave &= 0x7f;
|
|
edid_size &= 0x1fc;
|
|
|
|
wait_rdy(mmio);
|
|
/* 100 KHz, hold 0ns, */
|
|
write32(mmio + 4 * 0, bus);
|
|
wait_rdy(mmio);
|
|
/* Ensure index bits are disabled. */
|
|
write32(mmio + 4 * 8, 0);
|
|
write32(mmio + 4 * 1, 0x46000000 | (slave << 1));
|
|
wait_rdy(mmio);
|
|
/* Ensure index bits are disabled. */
|
|
write32(mmio + 4 * 8, 0);
|
|
write32(mmio + 4 * 1, 0x4a000001 | (slave << 1)
|
|
| (edid_size << 16));
|
|
for (i = 0; i < edid_size / 4; i++) {
|
|
u32 reg32;
|
|
wait_rdy(mmio);
|
|
reg32 = read32(mmio + 4 * 3);
|
|
edid[4 * i] = reg32 & 0xff;
|
|
edid[4 * i + 1] = (reg32 >> 8) & 0xff;
|
|
edid[4 * i + 2] = (reg32 >> 16) & 0xff;
|
|
edid[4 * i + 3] = (reg32 >> 24) & 0xff;
|
|
}
|
|
wait_rdy(mmio);
|
|
write32(mmio + 4 * 1, 0x4a800000 | (slave << 1));
|
|
wait_rdy(mmio);
|
|
write32(mmio + 4 * 0, 0x48000000);
|
|
write32(mmio + 4 * 2, 0x00008000);
|
|
|
|
printk (BIOS_SPEW, "EDID:\n");
|
|
for (i = 0; i < 128; i++) {
|
|
printk (BIOS_SPEW, "%02x ", edid[i]);
|
|
if ((i & 0xf) == 0xf)
|
|
printk (BIOS_SPEW, "\n");
|
|
}
|
|
}
|