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Diffstat (limited to 'src/mainboard/gigabyte/ma785gmt/mainboard.c')
| -rw-r--r-- | src/mainboard/gigabyte/ma785gmt/mainboard.c | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/src/mainboard/gigabyte/ma785gmt/mainboard.c b/src/mainboard/gigabyte/ma785gmt/mainboard.c deleted file mode 100644 index 899ca28ab4..0000000000 --- a/src/mainboard/gigabyte/ma785gmt/mainboard.c +++ /dev/null @@ -1,244 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2010 Wang Qing Pei <wangqingpei@gmail.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; 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. - */ - -#include <console/console.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ops.h> -#include <device/pci_def.h> -#include <southbridge/amd/sb700/sb700.h> -#include <southbridge/amd/sb700/smbus.h> -#include <southbridge/amd/rs780/rs780.h> - -#define ADT7461_ADDRESS 0x4C -#define ARA_ADDRESS 0x0C /* Alert Response Address */ - -#define ADT7461_read_byte(address) \ - do_smbus_read_byte(SMBUS_IO_BASE, ADT7461_ADDRESS, address) -#define ARA_read_byte(address) \ - do_smbus_read_byte(SMBUS_IO_BASE, ARA_ADDRESS, address) -#define ADT7461_write_byte(address, val) \ - do_smbus_write_byte(SMBUS_IO_BASE, ADT7461_ADDRESS, address, val) - -void set_pcie_dereset(void) -{ - u8 byte; - u16 word; - struct device *sm_dev; - /* set 0 to bit1 :disable GPM9 as SLP_S2 output */ - /* set 0 to bit2 :disable GPM8 as AZ_RST output */ - byte = pm_ioread(0x8d); - byte &= ~((1 << 1) | (1 << 2)); - pm_iowrite(0x8d, byte); - - /* set the GPM8 and GPM9 output enable and the value to 1 */ - byte = pm_ioread(0x94); - byte &= ~((1 << 2) | (1 << 3)); - byte |= ((1 << 0) | (1 << 1)); - pm_iowrite(0x94, byte); - - /* set the GPIO65 output enable and the value is 1 */ - sm_dev = pcidev_on_root(0x14, 0); - word = pci_read_config16(sm_dev, 0x7e); - word |= (1 << 0); - word &= ~(1 << 4); - pci_write_config16(sm_dev, 0x7e, word); -} - -void set_pcie_reset(void) -{ - u8 byte; - u16 word; - struct device *sm_dev; - - /* set 0 to bit1 :disable GPM9 as SLP_S2 output */ - /* set 0 to bit2 :disable GPM8 as AZ_RST output */ - byte = pm_ioread(0x8d); - byte &= ~((1 << 1) | (1 << 2)); - pm_iowrite(0x8d, byte); - - /* set the GPM8 and GPM9 output enable and the value to 0 */ - byte = pm_ioread(0x94); - byte &= ~((1 << 2) | (1 << 3)); - byte &= ~((1 << 0) | (1 << 1)); - pm_iowrite(0x94, byte); - - /* set the GPIO65 output enable and the value is 0 */ - sm_dev = pcidev_on_root(0x14, 0); - word = pci_read_config16(sm_dev, 0x7e); - word &= ~(1 << 0); - word &= ~(1 << 4); - pci_write_config16(sm_dev, 0x7e, word); -} - -/* - * justify the dev3 is exist or not - */ -int is_dev3_present(void) -{ - u16 word; - struct device *sm_dev; - - /* access the smbus extended register */ - sm_dev = pcidev_on_root(0x14, 0); - - /* put the GPIO68 output to tristate */ - word = pci_read_config16(sm_dev, 0x7e); - word |= 1 << 6; - pci_write_config16(sm_dev, 0x7e,word); - - /* read the GPIO68 input status */ - word = pci_read_config16(sm_dev, 0x7e); - - return !(word & (1 << 10)); -} - -/* - * set gpio40 gfx - */ -static void set_gpio40_gfx(void) -{ - u8 byte; -// u16 word; - u32 dword; - struct device *sm_dev; - /* disable the GPIO40 as CLKREQ2# function */ - byte = pm_ioread(0xd3); - byte &= ~(1 << 7); - pm_iowrite(0xd3, byte); - - /* disable the GPIO40 as CLKREQ3# function */ - byte = pm_ioread(0xd4); - byte &= ~(1 << 0); - pm_iowrite(0xd4, byte); - - /* enable pull up for GPIO68 */ - byte = pm2_ioread(0xf1); - byte &= ~(1 << 4); - pm2_iowrite(0xf1, byte); - - /* access the smbus extended register */ - sm_dev = pcidev_on_root(0x14, 0); - - /*if the dev3 is present, set the gfx to 2x8 lanes*/ - /*otherwise set the gfx to 1x16 lanes*/ - if(is_dev3_present()){ - - printk(BIOS_INFO, "Dev3 is present. GFX Configuration is Two x8 slots\n"); - /* when the gpio40 is configured as GPIO, this will enable the output */ - pci_write_config32(sm_dev, 0xf8, 0x4); - dword = pci_read_config32(sm_dev, 0xfc); - dword &= ~(1 << 10); - - /* When the gpio40 is configured as GPIO, this will represent the output value*/ - /* 1 :enable two x8 , 0 : master slot enable only */ - dword |= (1 << 26); - pci_write_config32(sm_dev, 0xfc, dword); - - }else{ - printk(BIOS_INFO, "Dev3 is not present. GFX Configuration is One x16 slot\n"); - /* when the gpio40 is configured as GPIO, this will enable the output */ - pci_write_config32(sm_dev, 0xf8, 0x4); - dword = pci_read_config32(sm_dev, 0xfc); - dword &= ~(1 << 10); - - /* When the gpio40 is configured as GPIO, this will represent the output value*/ - /* 1 :enable two x8 , 0 : master slot enable only */ - dword &= ~(1 << 26); - pci_write_config32(sm_dev, 0xfc, dword); - } -} - -/* - * set thermal config - */ -static void set_thermal_config(void) -{ - u8 byte; - u16 word; - struct device *sm_dev; - - /* set ADT 7461 */ - ADT7461_write_byte(0x0B, 0x50); /* Local Temperature Hight limit */ - ADT7461_write_byte(0x0C, 0x00); /* Local Temperature Low limit */ - ADT7461_write_byte(0x0D, 0x50); /* External Temperature Hight limit High Byte */ - ADT7461_write_byte(0x0E, 0x00); /* External Temperature Low limit High Byte */ - - ADT7461_write_byte(0x19, 0x55); /* External THERM limit */ - ADT7461_write_byte(0x20, 0x55); /* Local THERM limit */ - - byte = ADT7461_read_byte(0x02); /* read status register to clear it */ - ARA_read_byte(0x05); /* A hardware alert can only be cleared by the master sending an ARA as a read command */ - printk(BIOS_INFO, "Init adt7461 end , status 0x02 %02x\n", byte); - - /* sb700 settings for thermal config */ - /* set SB700 GPIO 64 to GPIO with pull-up */ - byte = pm2_ioread(0x42); - byte &= 0x3f; - pm2_iowrite(0x42, byte); - - /* set GPIO 64 to input */ - sm_dev = pcidev_on_root(0x14, 0); - word = pci_read_config16(sm_dev, 0x56); - word |= 1 << 7; - pci_write_config16(sm_dev, 0x56, word); - - /* set GPIO 64 internal pull-up */ - byte = pm2_ioread(0xf0); - byte &= 0xee; - pm2_iowrite(0xf0, byte); - - /* set Talert to be active low */ - byte = pm_ioread(0x67); - byte &= ~(1 << 5); - pm_iowrite(0x67, byte); - - /* set Talert to generate ACPI event */ - byte = pm_ioread(0x3c); - byte &= 0xf3; - pm_iowrite(0x3c, byte); - - /* THERMTRIP pin */ - /* byte = pm_ioread(0x68); - * byte |= 1 << 3; - * pm_iowrite(0x68, byte); - * - * byte = pm_ioread(0x55); - * byte |= 1 << 0; - * pm_iowrite(0x55, byte); - * - * byte = pm_ioread(0x67); - * byte &= ~(1 << 6); - * pm_iowrite(0x67, byte); - */ -} - -/************************************************* -* enable the dedicated function in ma785gmt board. -* This function called early than rs780_enable. -*************************************************/ -static void mainboard_enable(struct device *dev) -{ - printk(BIOS_INFO, "Mainboard MA785GMT-UD2H Enable. dev=0x%p\n", dev); - - set_pcie_dereset(); - /* get_ide_dma66(); */ - set_thermal_config(); - set_gpio40_gfx(); -} - -struct chip_operations mainboard_ops = { - .enable_dev = mainboard_enable, -}; |