a1e22b8192
Drop 'include <string.h>' when it is not used and add it when it is missing. Also extra lines removed, or added just before local includes. Change-Id: Iccac4dbaa2dd4144fc347af36ecfc9747da3de20 Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/coreboot/+/31966 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Werner Zeh <werner.zeh@siemens.com> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
113 lines
3.5 KiB
C
113 lines
3.5 KiB
C
/*
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* Copyright 2013 Google Inc.
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* Copyright © 2012 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Eugeni Dodonov <eugeni.dodonov@intel.com>
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*
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*/
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#include <types.h>
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#include <stdlib.h>
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#include <device/device.h>
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#include <device/pci_def.h>
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#include <device/pci_ops.h>
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#include <console/console.h>
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#include <delay.h>
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#include <arch/acpi.h>
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#include <arch/interrupt.h>
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#include <boot/coreboot_tables.h>
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#include <smbios.h>
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#include <device/pci.h>
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#include <ec/google/chromeec/ec.h>
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#include <cpu/x86/tsc.h>
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#include <cpu/x86/cache.h>
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#include <cpu/x86/mtrr.h>
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#include <cpu/x86/msr.h>
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#include <edid.h>
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#include <drivers/intel/gma/i915.h>
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/* HDMI/DVI modes ignore everything but the last 2 items. So we share
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* them for both DP and FDI transports, allowing those ports to
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* automatically adapt to HDMI connections as well.
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*/
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static u32 hsw_ddi_translations_dp[] = {
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0x00FFFFFF, 0x0006000E, /* DP parameters */
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0x00D75FFF, 0x0005000A,
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0x00C30FFF, 0x00040006,
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0x80AAAFFF, 0x000B0000,
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0x00FFFFFF, 0x0005000A,
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0x00D75FFF, 0x000C0004,
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0x80C30FFF, 0x000B0000,
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0x00FFFFFF, 0x00040006,
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0x80D75FFF, 0x000B0000,
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0x00FFFFFF, 0x00040006 /* HDMI parameters */
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};
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static u32 hsw_ddi_translations_fdi[] = {
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0x00FFFFFF, 0x0007000E, /* FDI parameters */
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0x00D75FFF, 0x000F000A,
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0x00C30FFF, 0x00060006,
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0x00AAAFFF, 0x001E0000,
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0x00FFFFFF, 0x000F000A,
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0x00D75FFF, 0x00160004,
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0x00C30FFF, 0x001E0000,
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0x00FFFFFF, 0x00060006,
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0x00D75FFF, 0x001E0000,
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0x00FFFFFF, 0x00040006 /* HDMI parameters */
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};
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/* On Haswell, DDI port buffers must be programmed with correct values
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* in advance. The buffer values are different for FDI and DP modes,
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* but the HDMI/DVI fields are shared among those. So we program the DDI
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* in either FDI or DP modes only, as HDMI connections will work with both
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* of those.
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*/
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static void intel_prepare_ddi_buffers(int port, int use_fdi_mode)
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{
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u32 reg;
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int i;
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u32 *ddi_translations = ((use_fdi_mode) ?
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hsw_ddi_translations_fdi :
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hsw_ddi_translations_dp);
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printk(BIOS_SPEW, "Initializing DDI buffers for port %d in %s mode\n",
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port,
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use_fdi_mode ? "FDI" : "DP");
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for (i=0,reg=DDI_BUF_TRANS(port);i < ARRAY_SIZE(hsw_ddi_translations_fdi);i++) {
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gtt_write(reg,ddi_translations[i]);
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reg += 4;
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}
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}
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void intel_prepare_ddi(void)
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{
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int port;
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u32 use_fdi = 1;
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for (port = PORT_A; port < PORT_E; port++)
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intel_prepare_ddi_buffers(port, !use_fdi);
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intel_prepare_ddi_buffers(PORT_E, use_fdi);
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}
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