diff options
Diffstat (limited to 'src/mainboard/technexion/tim5690/mainboard.c')
| -rw-r--r-- | src/mainboard/technexion/tim5690/mainboard.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/mainboard/technexion/tim5690/mainboard.c b/src/mainboard/technexion/tim5690/mainboard.c index 85b7428f43..8ca3f4c8f5 100644 --- a/src/mainboard/technexion/tim5690/mainboard.c +++ b/src/mainboard/technexion/tim5690/mainboard.c @@ -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 @@ int add_mainboard_resources(struct lb_memory *mem); 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 @@ 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. @@ -126,8 +241,21 @@ void tim5690_enable(device_t dev) 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; |