Author: mjones Date: 2009-12-23 20:16:47 +0100 (Wed, 23 Dec 2009) New Revision: 4990
Added: trunk/src/arch/i386/include/arch/interrupt.h trunk/src/mainboard/technexion/tim5690/vgabios.c trunk/src/mainboard/technexion/tim5690/vgabios.h Modified: trunk/src/mainboard/technexion/tim5690/Makefile.inc trunk/src/mainboard/technexion/tim5690/cache_as_ram_auto.c trunk/src/mainboard/technexion/tim5690/mainboard.c trunk/util/x86emu/x86.c Log: Add mainboard x86emu interrupt function support. Add tim5690 VGA BIOS functions: int15 getting LCD panel ID.
Signed-off-by: Libra Li libra.li@technexion.com Acked-by: Marc Jones marcj303@gmail.com
Added: trunk/src/arch/i386/include/arch/interrupt.h =================================================================== --- trunk/src/arch/i386/include/arch/interrupt.h (rev 0) +++ trunk/src/arch/i386/include/arch/interrupt.h 2009-12-23 19:16:47 UTC (rev 4990) @@ -0,0 +1,25 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2009 coresystems GmbH + * Copyright (C) 2009 Libra Li libra.li@technexion.com + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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 "registers.h" + +/* setup interrupt handlers for mainboard */ +extern void mainboard_interrupt_handlers(int intXX, void *intXX_func);
Modified: trunk/src/mainboard/technexion/tim5690/Makefile.inc =================================================================== --- trunk/src/mainboard/technexion/tim5690/Makefile.inc 2009-12-23 12:52:56 UTC (rev 4989) +++ trunk/src/mainboard/technexion/tim5690/Makefile.inc 2009-12-23 19:16:47 UTC (rev 4990) @@ -33,6 +33,7 @@ obj-y += tn_post_code.o
obj-y += speaker.o +obj-y += vgabios.o
# This is part of the conversion to init-obj and away from included code.
Modified: trunk/src/mainboard/technexion/tim5690/cache_as_ram_auto.c =================================================================== --- trunk/src/mainboard/technexion/tim5690/cache_as_ram_auto.c 2009-12-23 12:52:56 UTC (rev 4989) +++ trunk/src/mainboard/technexion/tim5690/cache_as_ram_auto.c 2009-12-23 19:16:47 UTC (rev 4990) @@ -145,20 +145,6 @@ } #endif /* CONFIG_USE_FALLBACK_IMAGE == 1 */
-/* Early mainboard specific GPIO setup. */ -static void mb_gpio_init(void) -{ - /* Init Super I/O GPIOs. Done early. */ - it8712f_enter_conf(); - outb(IT8712F_CONFIG_REG_LDN, SIO_INDEX); - outb(IT8712F_GPIO, SIO_DATA); - outb(0x62, SIO_INDEX); // set Simple I/O Base Address 0x200 - outb(0x02, SIO_DATA); - outb(0x63, SIO_INDEX); - outb(0x00, SIO_DATA); - it8712f_exit_conf(); -} - void real_main(unsigned long bist, unsigned long cpu_init_detectedx);
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) @@ -191,7 +177,6 @@
/* it8712f_enable_serial does not use its 1st parameter. */ it8712f_enable_serial(0, CONFIG_TTYS0_BASE); - mb_gpio_init(); it8712f_kill_watchdog(); uart_init(); console_init();
Modified: trunk/src/mainboard/technexion/tim5690/mainboard.c =================================================================== --- trunk/src/mainboard/technexion/tim5690/mainboard.c 2009-12-23 12:52:56 UTC (rev 4989) +++ trunk/src/mainboard/technexion/tim5690/mainboard.c 2009-12-23 19:16:47 UTC (rev 4990) @@ -26,13 +26,56 @@ #include <cpu/amd/mtrr.h> #include <device/pci_def.h> #include <../southbridge/amd/sb600/sb600.h> +#include <../superio/ite/it8712f/it8712f.h> #include "chip.h" #include "tn_post_code.h" +#include "vgabios.h"
#define ADT7461_ADDRESS 0x4C #define ARA_ADDRESS 0x0C /* Alert Response Address */ #define SMBUS_IO_BASE 0x1000
+ +/* Video BIOS Function Extensions Specification + */ +//Callback Sub-Function 00h - Get LCD Panel ID +#define LCD_PANEL_ID_NO 0x00 /* No LCD */ +#define LCD_PANEL_ID_01 0x01 /* 1024x768, 24 bits, 1 channel */ +#define LCD_PANEL_ID_02 0x02 /* 1280x1024, 24 bits, 2 channels */ +#define LCD_PANEL_ID_03 0x03 /* 1440x900, 24 bits, 2 channels */ +#define LCD_PANEL_ID_04 0x04 /* 1680x1050, 24 bits, 2 channels */ +#define LCD_PANEL_ID_05 0x05 /* 1920x1200, 24 bits, 2 channels */ +#define LCD_PANEL_ID_06 0x06 /* 1920x1080, 24 bits, 2 channels */ +//Callback Sub-Function 05h – Select Boot-up TV Standard +#define TV_MODE_00 0x00 /* NTSC */ +#define TV_MODE_01 0x01 /* PAL */ +#define TV_MODE_02 0x02 /* PALM */ +#define TV_MODE_03 0x03 /* PAL60 */ +#define TV_MODE_04 0x04 /* NTSCJ */ +#define TV_MODE_05 0x05 /* PALCN */ +#define TV_MODE_06 0x06 /* PALN */ +#define TV_MODE_09 0x09 /* SCART-RGB */ +#define TV_MODE_NO 0xff /* No TV Support */ + + +/* The base address is 0x2e or 0x4e, depending on config bytes. */ +#define SIO_BASE 0x2e +#define SIO_INDEX SIO_BASE +#define SIO_DATA SIO_BASE+1 + +/* Global configuration registers. */ +#define IT8712F_CONFIG_REG_CC 0x02 /* Configure Control (write-only). */ +#define IT8712F_CONFIG_REG_LDN 0x07 /* Logical Device Number. */ +#define IT8712F_CONFIG_REG_CONFIGSEL 0x22 /* Configuration Select. */ +#define IT8712F_CONFIG_REG_CLOCKSEL 0x23 /* Clock Selection. */ +#define IT8712F_CONFIG_REG_SWSUSP 0x24 /* Software Suspend, Flash I/F. */ +#define IT8712F_CONFIG_REG_MFC 0x2a /* Multi-function control */ +#define IT8712F_CONFIG_REG_WATCHDOG 0x72 /* Watchdog control. */ + +#define IT8712F_CONFIGURATION_PORT 0x2e /* Write-only. */ +#define IT8712F_SIMPLE_IO_BASE 0x200 /* Simple I/O base address */ + + extern int do_smbus_read_byte(u32 smbus_io_base, u32 device, u32 address); extern int do_smbus_write_byte(u32 smbus_io_base, u32 device, u32 address, u8 val); @@ -54,6 +97,36 @@ uint64_t uma_memory_base, uma_memory_size;
+/* The content of IT8712F_CONFIG_REG_LDN (index 0x07) must be set to the + LDN the register belongs to, before you can access the register. */ +static void it8712f_sio_write(uint8_t ldn, uint8_t index, uint8_t value) +{ + outb(IT8712F_CONFIG_REG_LDN, SIO_BASE); + outb(ldn, SIO_DATA); + outb(index, SIO_BASE); + outb(value, SIO_DATA); +} + +static void it8712f_enter_conf(void) +{ + /* Enter the configuration state (MB PnP mode). */ + + /* Perform MB PnP setup to put the SIO chip at 0x2e. */ + /* Base address 0x2e: 0x87 0x01 0x55 0x55. */ + /* Base address 0x4e: 0x87 0x01 0x55 0xaa. */ + outb(0x87, IT8712F_CONFIGURATION_PORT); + outb(0x01, IT8712F_CONFIGURATION_PORT); + outb(0x55, IT8712F_CONFIGURATION_PORT); + outb(0x55, IT8712F_CONFIGURATION_PORT); +} + +static void it8712f_exit_conf(void) +{ + /* Exit the configuration state (MB PnP mode). */ + it8712f_sio_write(0x00, IT8712F_CONFIG_REG_CC, 0x02); +} + + /* set thermal config */ static void set_thermal_config(void) @@ -117,6 +190,48 @@ */ }
+/* Mainboard specific GPIO setup. */ +void mb_gpio_init(u16 *iobase) +{ + /* Init Super I/O GPIOs. */ + it8712f_enter_conf(); + outb(IT8712F_CONFIG_REG_LDN, SIO_INDEX); + outb(IT8712F_GPIO, SIO_DATA); + outb(0x62, SIO_INDEX); + outb((*iobase >> 8), SIO_DATA); + outb(0x63, SIO_INDEX); + outb((*iobase & 0xff), SIO_DATA); + it8712f_exit_conf(); +} + +/* The LCD's panel id seletion. */ +void lcd_panel_id(rs690_vbios_regs *vbios_regs, u8 num_id) +{ + switch (num_id) { + case 0x1: + vbios_regs->int15_regs.fun00_panel_id = LCD_PANEL_ID_01; + break; + case 0x2: + vbios_regs->int15_regs.fun00_panel_id = LCD_PANEL_ID_02; + break; + case 0x3: + vbios_regs->int15_regs.fun00_panel_id = LCD_PANEL_ID_03; + break; + case 0x4: + vbios_regs->int15_regs.fun00_panel_id = LCD_PANEL_ID_04; + break; + case 0x5: + vbios_regs->int15_regs.fun00_panel_id = LCD_PANEL_ID_05; + break; + case 0x6: + vbios_regs->int15_regs.fun00_panel_id = LCD_PANEL_ID_06; + break; + default: + vbios_regs->int15_regs.fun00_panel_id = LCD_PANEL_ID_NO; + break; + } +} + /************************************************* * enable the dedicated function in tim5690 board. * This function called early than rs690_enable. @@ -126,8 +241,21 @@ struct mainboard_config *mainboard = (struct mainboard_config *)dev->chip_info;
+ rs690_vbios_regs vbios_regs; + u16 gpio_base = IT8712F_SIMPLE_IO_BASE; + u8 port2; + printk_info("Mainboard tim5690 Enable. dev=0x%p\n", dev);
+ mb_gpio_init(&gpio_base); + + /* The LCD's panel id seletion by switch. */ + port2 = inb(gpio_base+1); + lcd_panel_id(&vbios_regs, ((~port2) & 0xf)); + /* No support TV */ + vbios_regs.int15_regs.fun05_tv_standard = TV_MODE_NO; + vgabios_init(&vbios_regs); + #if (CONFIG_GFXUMA == 1) msr_t msr, msr2;
Added: trunk/src/mainboard/technexion/tim5690/vgabios.c =================================================================== --- trunk/src/mainboard/technexion/tim5690/vgabios.c (rev 0) +++ trunk/src/mainboard/technexion/tim5690/vgabios.c 2009-12-23 19:16:47 UTC (rev 4990) @@ -0,0 +1,77 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2009 coresystems GmbH + * Copyright (C) 2009 Libra Li libra.li@technexion.com + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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 <console/console.h> +#include <arch/interrupt.h> +#include "vgabios.h" + + +int tim5690_int15_handler(struct eregs *regs); + +static rs690_vbios_regs vbios_regs_local; + +/* Initialization interrupt function */ +static void vbios_fun_init(rs690_vbios_regs *vbios_regs) +{ + vbios_regs_local.int15_regs.fun00_panel_id = vbios_regs->int15_regs.fun00_panel_id; + vbios_regs_local.int15_regs.fun05_tv_standard = vbios_regs->int15_regs.fun05_tv_standard; +} +/* BIOS int15 function */ +int tim5690_int15_handler(struct eregs *regs) +{ + int res = -1; + + printk(BIOS_DEBUG, "tim5690_int15_handler\n"); + + switch (regs->eax & 0xffff) { + case AMD_RS690_INT15: + switch (regs->ebx & 0xff) { + case 0x00: + regs->eax &= ~(0xff); + regs->ebx = (regs->ebx & ~(0xff)) | vbios_regs_local.int15_regs.fun00_panel_id; + res = 0; + break; + case 0x05: + regs->eax &= ~(0xff); + regs->ebx = (regs->ebx & ~(0xff)) | vbios_regs_local.int15_regs.fun05_tv_standard; + res = 0; + break; + } + break; + default: + printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", + regs->eax & 0xffff); + break; + } + + return res; +} + +/* Initialization VBIOS function */ +void vgabios_init(rs690_vbios_regs *vbios_regs) +{ + printk(BIOS_DEBUG, "vgabios_init\n"); + + mainboard_interrupt_handlers(0x15, &tim5690_int15_handler); + vbios_fun_init(vbios_regs); +}
Added: trunk/src/mainboard/technexion/tim5690/vgabios.h =================================================================== --- trunk/src/mainboard/technexion/tim5690/vgabios.h (rev 0) +++ trunk/src/mainboard/technexion/tim5690/vgabios.h 2009-12-23 19:16:47 UTC (rev 4990) @@ -0,0 +1,37 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2009 coresystems GmbH + * Copyright (C) 2009 Libra Li libra.li@technexion.com + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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 + */ + +/* AMD Chipset */ +#define AMD_RS690_INT15 0x4E08 + +typedef struct __rs690_int15_regs__ +{ + u8 fun00_panel_id; // Callback Sub-Function 00h - Get LCD Panel ID + u8 fun05_tv_standard; // Callback Sub-Function 05h - Select Boot-up TV Standard +}rs690_int15_regs; + +typedef struct __rs690_vbios_regs__ +{ + rs690_int15_regs int15_regs; +}rs690_vbios_regs; + +/* Initialization VBIOS function */ +extern void vgabios_init(rs690_vbios_regs *vbios_regs);
Modified: trunk/util/x86emu/x86.c =================================================================== --- trunk/util/x86emu/x86.c 2009-12-23 12:52:56 UTC (rev 4989) +++ trunk/util/x86emu/x86.c 2009-12-23 19:16:47 UTC (rev 4990) @@ -29,6 +29,8 @@ #include <console.h> #endif
+#include <arch/interrupt.h> + #define REALMODE_BASE ((void *)0x600)
struct realmode_idt { @@ -64,6 +66,12 @@ return -1; }
+/* setup interrupt handlers for mainboard */ +void mainboard_interrupt_handlers(int intXX, void *intXX_func) +{ + intXX_handler[intXX] = intXX_func; +} + int int12_handler(struct eregs *regs); int int15_handler(struct eregs *regs); int int1a_handler(struct eregs *regs); @@ -80,16 +88,32 @@ /* Mark all other intXX calls as unknown first */ for (i = 0x10; i < 0x100; i++) - intXX_handler[i] = &intXX_unknown_handler; - - /* Now set the default functions that are actually - * needed to initialize the option roms. This is very - * slick, as it allows us to implement mainboard specific - * interrupt handlers, such as the int15 - */ - intXX_handler[0x12] = &int12_handler; - intXX_handler[0x15] = &int15_handler; - intXX_handler[0x1a] = &int1a_handler; + { + /* If the mainboard_interrupt_handler isn't called first. + */ + if(!intXX_handler[i]) + { + /* Now set the default functions that are actually + * needed to initialize the option roms. This is very + * slick, as it allows us to implement mainboard specific + * interrupt handlers, such as the int15 + */ + switch (i) { + case 0x12: + intXX_handler[0x12] = &int12_handler; + break; + case 0x15: + intXX_handler[0x15] = &int15_handler; + break; + case 0x1a: + intXX_handler[0x1a] = &int1a_handler; + break; + default: + intXX_handler[i] = &intXX_unknown_handler; + break; + } + } + } }
static void write_idt_stub(void *target, u8 intnum) @@ -127,7 +151,7 @@ { /* clear vga bios data area */ memset((void *)0x400, 0, 0x200); - + /* Set up C interrupt handlers */ setup_interrupt_handlers();