diff options
Diffstat (limited to 'src/mainboard/roda/rk9/mainboard.c')
| -rw-r--r-- | src/mainboard/roda/rk9/mainboard.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/src/mainboard/roda/rk9/mainboard.c b/src/mainboard/roda/rk9/mainboard.c new file mode 100644 index 0000000000..5b4285c6dc --- /dev/null +++ b/src/mainboard/roda/rk9/mainboard.c @@ -0,0 +1,147 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 secunet Security Networks AG + * + * 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 <stdint.h> +#include <stdlib.h> +#include <arch/io.h> +//#include <pc80/mc146818rtc.h> +#include <device/device.h> +#include <console/console.h> +#if CONFIG_PCI_OPTION_ROM_RUN_YABEL +#include <x86emu/x86emu.h> +#endif +#include <pc80/keyboard.h> +#include <ec/acpi/ec.h> +#include "hda_verb.h" + +#if CONFIG_GENERATE_ACPI_TABLES +#include "cstates.c" /* Include it, as the linker won't find + the overloaded weak function in there. */ +#endif + + +#if CONFIG_PCI_OPTION_ROM_RUN_YABEL +static int int15_handler(void) +{ + enum { + BOOT_DISPLAY_DEFAULT = 0, + BOOT_DISPLAY_CRT = (1 << 0), + BOOT_DISPLAY_TV = (1 << 1), + BOOT_DISPLAY_EFP = (1 << 2), + BOOT_DISPLAY_LFP = (1 << 3), + BOOT_DISPLAY_CRT2 = (1 << 4), + BOOT_DISPLAY_TV2 = (1 << 5), + BOOT_DISPLAY_EFP2 = (1 << 6), + BOOT_DISPLAY_LFP2 = (1 << 7), + }; + enum { + PANEL_FIT_DEFAULT = 0, + PANEL_FIT_CENTERING = (1 << 0), + PANEL_FIT_TXT_STRETCH = (1 << 1), + PANEL_FIT_GFX_STRETCH = (1 << 2), + }; + + switch (M.x86.R_AX) { + case 0x5f34: + /* Set Panel Fitting Hook */ + M.x86.R_AX = 0x005f; + M.x86.R_CX = PANEL_FIT_CENTERING; + break; + case 0x5f35: + /* Boot Display Device Hook */ + M.x86.R_AX = 0x005f; + M.x86.R_CX = BOOT_DISPLAY_DEFAULT; /* Select automatically. */ + break; + case 0x5f40: + /* Boot Panel Type Hook */ + /* Contrary to what EMGD's user's guide says, + this _alters_ the behavior of the Video BIOS. */ + /* LCD panel type is SIO GPIO40-43. + It's controlled by a DIP switch but was always + set to 4 while only values of 5 and 6 worked. */ + M.x86.R_AX = 0x005f; + M.x86.R_CX = (inb(0x60f) & 0x0f) + 1; + break; + case 0x5f70: + /* Sandybridge boards return 0 here. */ + case 0x5f14: + case 0x5f21: + case 0x5f22: + case 0x5f49: + /* No documentation found. */ + default: + /* Interrupt was not handled. */ + printk(BIOS_DEBUG, + "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n", __func__, + M.x86.R_AX, M.x86.R_BX, M.x86.R_CX, M.x86.R_DX); + return 0; + } + + /* Interrupt handled. */ + return 1; +} + +static void int15_install(void) +{ + typedef int (* yabel_handleIntFunc)(void); + extern yabel_handleIntFunc yabel_intFuncArray[256]; + yabel_intFuncArray[0x15] = int15_handler; +} +#endif + +static void verb_setup(void) +{ + cim_verb_data = mainboard_cim_verb_data; + cim_verb_data_size = sizeof(mainboard_cim_verb_data); + pc_beep_verbs = mainboard_pc_beep_verbs; + pc_beep_verbs_size = ARRAY_SIZE(mainboard_pc_beep_verbs); +} + +static void ec_setup(void) +{ + /* Thermal limits? Values are from ectool's ram dump. */ + ec_write(0xd1, 0x57); /* CPUH */ + ec_write(0xd2, 0xc9); /* CPUL */ + ec_write(0xd4, 0x64); /* SYSH */ + ec_write(0xd5, 0xc9); /* SYSL */ + + send_ec_command(0x04); /* Set_SMI_Enable */ + send_ec_command(0xab); /* Set_ACPI_Disable */ + send_ec_command(0xac); /* Clr_SYS_Flag? well, why not? */ + send_ec_command(0xad); /* Set_Thml_Value */ +} + +static void mainboard_enable(device_t dev) +{ + ec_setup(); + verb_setup(); +#if CONFIG_PCI_OPTION_ROM_RUN_YABEL// || CONFIG_PCI_OPTION_ROM_RUN_REALMODE + /* Install custom int15 handler for VGA OPROM */ + int15_install(); +#endif + + /* We have no driver for the embedded controller since the firmware + does most of the job. Hence, initialize keyboards here. */ + pc_keyboard_init(NULL); +} + +struct chip_operations mainboard_ops = { + .enable_dev = mainboard_enable, +}; + |