Tom Rini
13 years ago
commit
ce12a8c1a9
@ -1,39 +0,0 @@ |
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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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* Copyright (C) 2009 coresystems GmbH |
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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 <asm/arch-coreboot/sysinfo.h> |
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/*
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* This needs to be in the .data section so that it's copied over during |
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* relocation. By default it's put in the .bss section which is simply filled |
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* with zeroes when transitioning from "ROM", which is really RAM, to other |
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* RAM. |
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*/ |
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struct sysinfo_t lib_sysinfo __attribute__((section(".data"))); |
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@ -0,0 +1,17 @@ |
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/*
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* Copyright (c) 2011 The Chromium OS Authors. All rights reserved. |
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* Use of this source code is governed by a BSD-style license that can be |
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* found in the LICENSE file. |
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* |
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* Alternatively, this software may be distributed under the terms of the |
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* GNU General Public License ("GPL") version 2 as published by the Free |
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* Software Foundation. |
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*/ |
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#include <common.h> |
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unsigned long timer_get_us(void) |
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{ |
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printf("timer_get_us used but not implemented.\n"); |
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return 0; |
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} |
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@ -1,33 +0,0 @@ |
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/* |
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* Copyright (c) 2011 The Chromium OS Authors. |
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* (C) Copyright 2008 |
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* Graeme Russ, graeme.russ@gmail.com.
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or
|
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of
|
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software
|
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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.section .bios, "ax" |
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.code16 |
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.globl realmode_reset
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.hidden realmode_reset
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.type realmode_reset, @function
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realmode_reset: |
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1: hlt |
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jmp 1 |
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@ -0,0 +1,30 @@ |
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/dts-v1/; |
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/ { |
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#address-cells = <1>; |
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#size-cells = <1>; |
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model = "Google Alex"; |
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compatible = "google,alex", "intel,atom-pineview"; |
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config { |
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silent_console = <0>; |
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}; |
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aliases { |
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console = "/serial@e0401000"; |
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}; |
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serial@e0401000 { |
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compatible = "ns16550"; |
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reg = <0xe0401000 0x40>; |
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id = <1>; |
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reg-shift = <1>; |
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baudrate = <115200>; |
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clock-frequency = <4000000>; |
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multiplier = <1>; |
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status = "ok"; |
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}; |
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chosen { }; |
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memory { device_type = "memory"; reg = <0 0>; }; |
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}; |
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@ -0,0 +1,67 @@ |
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/*
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* Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; version 2 of the License. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA |
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*/ |
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#include <common.h> |
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#ifndef CONFIG_SYS_COREBOOT |
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#error This driver requires coreboot |
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#endif |
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#include <asm/arch/sysinfo.h> |
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struct cbmem_console { |
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u32 buffer_size; |
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u32 buffer_cursor; |
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u8 buffer_body[0]; |
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} __attribute__ ((__packed__)); |
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static struct cbmem_console *cbmem_console_p; |
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void cbmemc_putc(char data) |
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{ |
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int cursor; |
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cursor = cbmem_console_p->buffer_cursor++; |
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if (cursor < cbmem_console_p->buffer_size) |
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cbmem_console_p->buffer_body[cursor] = data; |
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} |
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void cbmemc_puts(const char *str) |
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{ |
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char c; |
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while ((c = *str++) != 0) |
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cbmemc_putc(c); |
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} |
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int cbmemc_init(void) |
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{ |
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int rc; |
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struct stdio_dev cons_dev; |
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cbmem_console_p = lib_sysinfo.cbmem_cons; |
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memset(&cons_dev, 0, sizeof(cons_dev)); |
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strcpy(cons_dev.name, "cbmem"); |
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cons_dev.flags = DEV_FLAGS_OUTPUT; /* Output only */ |
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cons_dev.putc = cbmemc_putc; |
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cons_dev.puts = cbmemc_puts; |
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rc = stdio_register(&cons_dev); |
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return (rc == 0) ? 1 : rc; |
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} |
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@ -0,0 +1,101 @@ |
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/*
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* coreboot Framebuffer driver. |
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* |
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* Copyright (C) 2011 The Chromium OS authors |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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#include <common.h> |
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#include <asm/arch/tables.h> |
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#include <asm/arch/sysinfo.h> |
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#include <video_fb.h> |
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#include "videomodes.h" |
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/*
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* The Graphic Device |
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*/ |
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GraphicDevice ctfb; |
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static int parse_coreboot_table_fb(GraphicDevice *gdev) |
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{ |
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struct cb_framebuffer *fb = lib_sysinfo.framebuffer; |
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/* If there is no framebuffer structure, bail out and keep
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* running on the serial console. |
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*/ |
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if (!fb) |
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return 0; |
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gdev->winSizeX = fb->x_resolution; |
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gdev->winSizeY = fb->y_resolution; |
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gdev->plnSizeX = fb->x_resolution; |
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gdev->plnSizeY = fb->y_resolution; |
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gdev->gdfBytesPP = fb->bits_per_pixel / 8; |
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switch (fb->bits_per_pixel) { |
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case 24: |
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gdev->gdfIndex = GDF_32BIT_X888RGB; |
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break; |
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case 16: |
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gdev->gdfIndex = GDF_16BIT_565RGB; |
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break; |
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default: |
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gdev->gdfIndex = GDF__8BIT_INDEX; |
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break; |
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} |
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gdev->isaBase = CONFIG_SYS_ISA_IO_BASE_ADDRESS; |
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gdev->pciBase = (unsigned int)fb->physical_address; |
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gdev->frameAdrs = (unsigned int)fb->physical_address; |
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gdev->memSize = fb->bytes_per_line * fb->y_resolution; |
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gdev->vprBase = (unsigned int)fb->physical_address; |
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gdev->cprBase = (unsigned int)fb->physical_address; |
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return 1; |
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} |
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void *video_hw_init(void) |
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{ |
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GraphicDevice *gdev = &ctfb; |
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int bits_per_pixel; |
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printf("Video: "); |
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if (!parse_coreboot_table_fb(gdev)) { |
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printf("No video mode configured in coreboot!\n"); |
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return NULL; |
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} |
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bits_per_pixel = gdev->gdfBytesPP * 8; |
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/* fill in Graphic device struct */ |
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sprintf(gdev->modeIdent, "%dx%dx%d", gdev->winSizeX, gdev->winSizeY, |
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bits_per_pixel); |
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printf("%s\n", gdev->modeIdent); |
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memset((void *)gdev->pciBase, 0, |
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gdev->winSizeX * gdev->winSizeY * gdev->gdfBytesPP); |
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return (void *)gdev; |
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} |
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