libpayload: Add a Geode video driver
Add a Geode video driver in lieu of VGA on Geode LX devices Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3233 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Jordan Crouse
parent
e3aeb93a52
commit
54315533cc
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@ -68,6 +68,11 @@ config VGA_VIDEO_CONSOLE
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depends on VIDEO_CONSOLE
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default y
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config GEODE_VIDEO_CONSOLE
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bool "Geode video console driver"
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depends on VIDEO_CONSOLE
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default n
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config PC_KEYBOARD
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bool "Allow input from a PC keyboard"
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default y
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@ -36,3 +36,7 @@ TARGETS-$(CONFIG_NVRAM) += drivers/nvram.o
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# Video console drivers
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TARGETS-$(CONFIG_VIDEO_CONSOLE) += drivers/video/video.o
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TARGETS-$(CONFIG_VGA_VIDEO_CONSOLE) += drivers/video/vga.o
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# Geode console drivers
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TARGETS-$(CONFIG_GEODE_VIDEO_CONSOLE) += drivers/video/geode.o
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TARGETS-$(CONFIG_GEODE_VIDEO_CONSOLE) += drivers/video/font8x16.o
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,45 @@
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/*
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* This file is part of the libpayload project.
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*
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* Copyright (C) 2008 Advanced Micro Devices, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef FONT_8X16_H_
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#define FONT_8X16_H_
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#ifdef HAVE_CONSOLE_FONT
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#error "You have already defined a console font!"
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#endif
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#define HAVE_CONSOLE_FONT 1
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#define FONT_GLYPHS 256
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#define FONT_HEIGHT 16
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#define FONT_WIDTH 8
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extern unsigned char font8x16[];
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#endif
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@ -0,0 +1,290 @@
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/*
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* This file is part of the libpayload project.
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*
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* Copyright (C) 2008 Advanced Micro Devices, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <libpayload.h>
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#include <pci.h>
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#include <video_console.h>
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#include <arch/io.h>
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#include <arch/msr.h>
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#include "font8x16.h"
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/* This is the video mode that we're going to use for our VGA screen */
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static const struct mode {
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unsigned int pll;
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unsigned int hactive, hblankstart, hsyncstart;
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unsigned int hsyncend, hblankend, htotal;
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unsigned int vactive, vblankstart, vsyncstart;
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unsigned int vsyncend, vblankend, vtotal;
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unsigned int synccfg;
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} vga_mode = {
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.pll = 0x215D,
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.hactive = 640,
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.vactive = 400,
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.hblankstart = 640,
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.hsyncstart = 640 + 40,
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.hsyncend = 640 + 40 + 96,
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.hblankend = 640 + 40 + 96 + 24,
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.htotal = 640 + 40 + 96 + 24,
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.vblankstart = 400,
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.vsyncstart = 400 + 39,
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.vsyncend = 400 + 39 + 2,
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.vblankend = 400 + 39 + 2 + 9,
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.vtotal = 400 + 39 + 2 + 9,
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.synccfg = 0x300,
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};
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/* These are the color definitions for the 16 standard colors */
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static const unsigned int vga_colors[] = {
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(0x00 << 16) | (0x00 << 8) | 0x00,
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(0xAA << 16) | (0x00 << 8) | 0x00,
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(0x00 << 16) | (0xAA << 8) | 0x00,
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(0xAA << 16) | (0x55 << 8) | 0x00,
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(0x00 << 16) | (0x00 << 8) | 0xAA,
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(0xAA << 16) | (0x00 << 8) | 0xAA,
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(0x00 << 16) | (0xAA << 8) | 0xAA,
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(0xAA << 16) | (0xAA << 8) | 0xAA,
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(0x55 << 16) | (0x55 << 8) | 0x55,
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(0xFF << 16) | (0x55 << 8) | 0x55,
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(0x55 << 16) | (0xFF << 8) | 0x55,
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(0xFF << 16) | (0xFF << 8) | 0x55,
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(0x55 << 16) | (0x55 << 8) | 0xFF,
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(0xFF << 16) | (0x55 << 8) | 0xFF,
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(0x55 << 16) | (0xFF << 8) | 0xFF,
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(0xFF << 16) | (0xFF << 8) | 0xFF,
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};
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/* Addresses for the various components */
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static unsigned long dcaddr;
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static unsigned long vgaddr;
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static unsigned long gpaddr;
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static unsigned long fbaddr;
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#define FB ((unsigned char *) fbaddr)
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static void init_video_mode(void)
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{
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unsigned int lo, hi, val;
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int i;
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/* Set the PLL */
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rdmsr(0x4c000015, lo, hi);
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hi = vga_mode.pll;
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lo &= ~0x1008000;
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lo |= 0x01;
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wrmsr(0x4c000015, lo, hi);
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udelay(100);
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for(i = 0; i < 1000; i++) {
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rdmsr(0x4c000015, lo, hi);
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if (lo & 0x2000000)
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break;
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}
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lo &= ~0x01;
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wrmsr(0x4c000015, lo, hi);
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rdmsr(0x48002001, lo, hi);
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lo &= ~0x38;
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wrmsr(0x48002001, lo, hi);
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writel(0x4758, dcaddr + 0x00);
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val = readl(dcaddr + 0x00);
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writel(0, dcaddr + 0x10);
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writel(0, dcaddr + 0x14);
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writel(0, dcaddr + 0x18);
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/* Set up the default scaling */
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val = readl(dcaddr + 0xD4);
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writel((0x4000 << 16) | 0x4000, dcaddr + 0x90);
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writel(0, dcaddr + 0x94);
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writel(val & ~0xf3040000, dcaddr + 0xD4);
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/* Set up the compression (or lack thereof) */
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writel(vga_mode.hactive * vga_mode.vactive | 0x01, dcaddr + 0x2C);
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val = readl(dcaddr + 0x88);
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writel(val & ~0xC00, dcaddr + 0x88);
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writel(0, dcaddr + 0x8C);
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/* Set the pitch */
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writel(vga_mode.hactive >> 3, dcaddr + 0x34);
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writel((vga_mode.hactive + 7) >> 3, dcaddr + 0x30);
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/* Set up default watermarks */
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lo = 0xC0;
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wrmsr(0x80000011, lo, hi);
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/* Write the timings */
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writel((vga_mode.hactive - 1) | ((vga_mode.htotal - 1) << 16),
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dcaddr + 0x40);
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writel((vga_mode.hblankstart - 1) | ((vga_mode.hblankend - 1) << 16),
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dcaddr + 0x44);
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writel((vga_mode.hsyncstart - 1) | ((vga_mode.hsyncend - 1) << 16),
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dcaddr + 0x48);
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writel((vga_mode.vactive - 1) | ((vga_mode.vtotal - 1) << 16),
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dcaddr + 0x50);
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writel((vga_mode.vblankstart - 1) | ((vga_mode.vblankend - 1) << 16),
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dcaddr + 0x54);
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writel((vga_mode.vsyncstart - 1) | ((vga_mode.vsyncend - 1) << 16),
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dcaddr + 0x58);
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writel(((vga_mode.hactive - 1) << 16) | (vga_mode.vactive - 1),
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dcaddr + 0x5C);
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/* Write the VG configuration */
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writel(0x290000F | vga_mode.synccfg, vgaddr + 0x08);
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/* Turn on the dacs */
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val = readl(vgaddr + 0x50);
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writel((val & ~0xC00) | 0x01, vgaddr + 0x50);
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/* Set the framebuffer base */
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writel(fbaddr, dcaddr + 0x84);
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/* Write the final configuration */
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writel(0xB000059, dcaddr + 0x08);
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writel(0, dcaddr + 0x0C);
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writel(0x2B601, dcaddr + 0x04);
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}
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static void geode_set_palette(int entry, unsigned int color)
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{
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writel(entry, dcaddr + 0x70);
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writel(color, dcaddr + 0x74);
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}
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static void geode_scroll_up(void)
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{
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unsigned char *dst = FB;
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unsigned char *src = FB + vga_mode.hactive;
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int y;
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for(y = 0; y < vga_mode.vactive - FONT_HEIGHT; y++) {
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memcpy(dst, src, vga_mode.hactive);
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dst += vga_mode.hactive;
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src += vga_mode.hactive;
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}
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dst = FB + (vga_mode.vactive - FONT_HEIGHT) * vga_mode.hactive;
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for(; y < vga_mode.vactive; y++) {
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memset(dst, 0, vga_mode.hactive);
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dst += vga_mode.hactive;
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}
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}
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static void geode_clear(void)
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{
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int row;
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unsigned char *ptr = FB;
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for(row = 0; row < vga_mode.vactive; row++) {
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memset(ptr, 0, vga_mode.hactive);
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ptr += vga_mode.hactive;
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}
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}
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static void geode_putc(u8 row, u8 col, unsigned int ch)
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{
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unsigned char *dst;
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unsigned char *glyph = font8x16 + ((ch & 0xFF) * FONT_HEIGHT);
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unsigned char bg = (ch >> 12) & 0xF;
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unsigned char fg = (ch >> 8) & 0xF;
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int x, y;
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dst = FB + ((row * FONT_HEIGHT) * vga_mode.hactive);
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dst += (col * FONT_WIDTH);
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for(y = 0; y < FONT_HEIGHT; y++) {
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for(x = FONT_WIDTH - 1; x >= 0; x--)
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dst[FONT_WIDTH - x] = (*glyph & (1 << x)) ?
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fg : bg;
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dst += vga_mode.hactive;
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glyph++;
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}
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}
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static int geode_init(void)
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{
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pcidev_t dev;
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int i;
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if (!pci_find_device(0x1022, 0x2081, &dev))
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return -1;
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fbaddr = pci_read_resource(dev, 0);
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gpaddr = pci_read_resource(dev, 1);
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dcaddr = pci_read_resource(dev, 2);
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vgaddr = pci_read_resource(dev, 3);
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init_video_mode();
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/* Set up the palette */
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for(i = 0; i < ARRAY_SIZE(vga_colors); i++) {
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geode_set_palette(i, vga_colors[i]);
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}
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return 0;
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}
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struct video_console geode_video_console = {
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.init = geode_init,
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.putc = geode_putc,
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.clear = geode_clear,
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.scroll_up = geode_scroll_up
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};
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@ -30,12 +30,19 @@
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#include <libpayload.h>
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#include <video_console.h>
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#ifdef CONFIG_GEODE_VIDEO_CONSOLE
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extern struct video_console geode_video_console;
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#endif
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#ifdef CONFIG_VGA_VIDEO_CONSOLE
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extern struct video_console vga_video_console;
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#endif
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static struct video_console *console_list[] =
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{
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#ifdef CONFIG_GEODE_VIDEO_CONSOLE
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&geode_video_console,
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#endif
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#ifdef CONFIG_VGA_VIDEO_CONSOLE
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&vga_video_console,
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#endif
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