From e9d060d42c7ae3552962804cdab282738c4eeffa Mon Sep 17 00:00:00 2001 From: Shawn Nematbakhsh Date: Thu, 23 May 2013 15:13:46 -0700 Subject: peppy: Initial mainboard commit Taken directly from slippy with only constant + string changes. (Peppy port of I4172460d3b075bfd5bb22013a6225cf0e8f95b9c by dlaurie) The following changes are required in a subsequent commit: - Add Elpida SPD data. - Update GPIO map. - Remove iSSD power sequencing. - Update USB port map. Change-Id: I01dfb841f0e9186cf8a0a23f72e7be986a83be42 Reviewed-on: https://gerrit.chromium.org/gerrit/56513 Tested-by: Shawn Nematbakhsh Reviewed-by: Dave Parker Commit-Queue: Shawn Nematbakhsh Reviewed-on: http://review.coreboot.org/4200 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich --- src/mainboard/google/peppy/mainboard.c | 164 +++++++++++++++++++++++++++++++++ 1 file changed, 164 insertions(+) create mode 100644 src/mainboard/google/peppy/mainboard.c (limited to 'src/mainboard/google/peppy/mainboard.c') diff --git a/src/mainboard/google/peppy/mainboard.c b/src/mainboard/google/peppy/mainboard.c new file mode 100644 index 0000000000..0159bd0b6c --- /dev/null +++ b/src/mainboard/google/peppy/mainboard.c @@ -0,0 +1,164 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * Copyright (C) 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 +#include +#include +#include +#include +#include +#include +#if CONFIG_PCI_ROM_RUN || CONFIG_VGA_ROM_RUN +#include +#endif +#include +#include +#include +#include +#include +#include "hda_verb.h" +#include +#include "ec.h" + +void mainboard_suspend_resume(void) +{ + /* Call SMM finalize() handlers before resume */ + outb(0xcb, 0xb2); +} + +#if CONFIG_PCI_ROM_RUN || CONFIG_VGA_ROM_RUN +static int int15_handler(void) +{ + int res = 0; + + printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n", + __func__, X86_AX, X86_BX, X86_CX, X86_DX); + + switch (X86_AX) { + case 0x5f34: + /* + * Set Panel Fitting Hook: + * bit 2 = Graphics Stretching + * bit 1 = Text Stretching + * bit 0 = Centering (do not set with bit1 or bit2) + * 0 = video bios default + */ + X86_AX = 0x005f; + X86_CX = 0x0001; + res = 1; + break; + case 0x5f35: + /* + * Boot Display Device Hook: + * bit 0 = CRT + * bit 1 = TV (eDP) * + * bit 2 = EFP * + * bit 3 = LFP + * bit 4 = CRT2 + * bit 5 = TV2 (eDP) * + * bit 6 = EFP2 * + * bit 7 = LFP2 + */ + X86_AX = 0x005f; + X86_CX = 0x0000; + res = 1; + break; + case 0x5f51: + /* + * Hook to select active LFP configuration: + * 00h = No LVDS, VBIOS does not enable LVDS + * 01h = Int-LVDS, LFP driven by integrated LVDS decoder + * 02h = SVDO-LVDS, LFP driven by SVDO decoder + * 03h = eDP, LFP Driven by Int-DisplayPort encoder + */ + X86_AX = 0x005f; + X86_CX = 0x0003; + res = 1; + break; + case 0x5f70: + switch ((X86_CX >> 8) & 0xff) { + case 0: + /* Get Mux */ + X86_AX = 0x005f; + X86_CX = 0x0000; + res = 1; + break; + case 1: + /* Set Mux */ + X86_AX = 0x005f; + X86_CX = 0x0000; + res = 1; + break; + case 2: + /* Get SG/Non-SG mode */ + X86_AX = 0x005f; + X86_CX = 0x0000; + res = 1; + break; + default: + /* Interrupt was not handled */ + printk(BIOS_DEBUG, + "Unknown INT15 5f70 function: 0x%02x\n", + ((X86_CX >> 8) & 0xff)); + break; + } + break; + + default: + printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX); + break; + } + return res; +} +#endif + +/* Audio Setup */ + +extern const u32 * cim_verb_data; +extern u32 cim_verb_data_size; + +static void verb_setup(void) +{ + cim_verb_data = mainboard_cim_verb_data; + cim_verb_data_size = sizeof(mainboard_cim_verb_data); +} + +static void mainboard_init(device_t dev) +{ + mainboard_ec_init(); +} + +// mainboard_enable is executed as first thing after +// enumerate_buses(). + +static void mainboard_enable(device_t dev) +{ + dev->ops->init = mainboard_init; +#if CONFIG_PCI_ROM_RUN || CONFIG_VGA_ROM_RUN + /* Install custom int15 handler for VGA OPROM */ + mainboard_interrupt_handlers(0x15, &int15_handler); +#endif + verb_setup(); +} + +struct chip_operations mainboard_ops = { + .enable_dev = mainboard_enable, +}; + -- cgit v1.2.3