--- /dev/null
+/*
+ * 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);
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.
}
#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)
/* 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();
#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);
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)
*/
}
+/* 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.
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;
--- /dev/null
+/*
+ * 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);
+}
--- /dev/null
+/*
+ * 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);
#include <console.h>
#endif
+#include <arch/interrupt.h>
+
#define REALMODE_BASE ((void *)0x600)
struct realmode_idt {
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);
/* 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)
{
/* clear vga bios data area */
memset((void *)0x400, 0, 0x200);
-
+
/* Set up C interrupt handlers */
setup_interrupt_handlers();
projects / coreboot.git / commitdiff