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/*
* This file is part of the coreboot project.
*
* 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.
*/
#ifdef __PRE_RAM__
#include <arch/cpu.h>
#include "southbridge/amd/sb600/sb600.h"
#else
#include <device/pci.h>
#include <device/pci_ids.h>
#endif
#include "tn_post_code.h"
#ifdef __PRE_RAM__
// TechNexion's Post Code Initially.
void technexion_post_code_init(void)
{
uint8_t reg8_data;
device_t dev = 0;
// SMBus Module and ACPI Block (Device 20, Function 0)
dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SB600_SM), 0);
// LED[bit0]:GPIO0
// This is reference SB600 RRG 4.1.1 GPIO
reg8_data = pmio_read(0x60);
reg8_data |= (1 << 7); // 1: GPIO if not used by SATA
pmio_write(0x60, reg8_data);
reg8_data = pci_read_config8(dev, 0x80);
reg8_data = ((reg8_data | (1 << 0)) & ~(1 << 4));
pci_write_config8(dev, 0x80, reg8_data);
// LED[bit1]:GPIO1
// This is reference SB600 RRG 4.1.1 GPIO
reg8_data = pci_read_config8(dev, 0x80);
reg8_data = ((reg8_data | (1 << 1)) & ~(1 << 5));
pci_write_config8(dev, 0x80, reg8_data);
// LED[bit2]:GPIO4
// This is reference SB600 RRG 4.1.1 GPIO
reg8_data = pmio_read(0x5e);
reg8_data &= ~(1 << 7); // 0: GPIO if not used by SATA
pmio_write(0x5e, reg8_data);
reg8_data = pci_read_config8(dev, 0xa8);
reg8_data |= (1 << 0);
pci_write_config8(dev, 0xa8, reg8_data);
reg8_data = pci_read_config8(dev, 0xa9);
reg8_data &= ~(1 << 0);
pci_write_config8(dev, 0xa9, reg8_data);
// LED[bit3]:GPIO6
// This is reference SB600 RRG 4.1.1 GPIO
reg8_data = pmio_read(0x60);
reg8_data |= (1 << 7); // 1: GPIO if not used by SATA
pmio_write(0x60, reg8_data);
reg8_data = pci_read_config8(dev, 0xa8);
reg8_data |= (1 << 2);
pci_write_config8(dev, 0xa8, reg8_data);
reg8_data = pci_read_config8(dev, 0xa9);
reg8_data &= ~(1 << 2);
pci_write_config8(dev, 0xa9, reg8_data);
// LED[bit4]:GPIO7
// This is reference SB600 RRG 4.1.1 GPIO
reg8_data = pci_read_config8(dev, 0xa8);
reg8_data |= (1 << 3);
pci_write_config8(dev, 0xa8, reg8_data);
reg8_data = pci_read_config8(dev, 0xa9);
reg8_data &= ~(1 << 3);
pci_write_config8(dev, 0xa9, reg8_data);
// LED[bit5]:GPIO8
// This is reference SB600 RRG 4.1.1 GPIO
reg8_data = pci_read_config8(dev, 0xa8);
reg8_data |= (1 << 4);
pci_write_config8(dev, 0xa8, reg8_data);
reg8_data = pci_read_config8(dev, 0xa9);
reg8_data &= ~(1 << 4);
pci_write_config8(dev, 0xa9, reg8_data);
// LED[bit6]:GPIO10
// This is reference SB600 RRG 4.1.1 GPIO
reg8_data = pci_read_config8(dev, 0xab);
reg8_data = ((reg8_data | (1 << 0)) & ~(1 << 1));
pci_write_config8(dev, 0xab, reg8_data);
// LED[bit7]:GPIO66
// This is reference SB600 RRG 4.1.1 GPIO
reg8_data = pmio_read(0x68);
reg8_data &= ~(1 << 5); // 0: GPIO
pmio_write(0x68, reg8_data);
reg8_data = pci_read_config8(dev, 0x7e);
reg8_data = ((reg8_data | (1 << 1)) & ~(1 << 5));
pci_write_config8(dev, 0x7e, reg8_data);
}
#endif
/* TechNexion's Post Code.
*/
void technexion_post_code(uint8_t udata8)
{
uint8_t u8_data;
device_t dev = 0;
// SMBus Module and ACPI Block (Device 20, Function 0)
#ifdef __PRE_RAM__
dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SB600_SM), 0);
#else
dev = dev_find_device(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SB600_SM, 0);
#endif
udata8 = ~(udata8);
// LED[bit0]:GPIO0
u8_data = pci_read_config8(dev, 0x80);
if (udata8 & 0x1) {
u8_data |= (1 << 0);
}
else {
u8_data &= ~(1 << 0);
}
pci_write_config8(dev, 0x80, u8_data);
// LED[bit1]:GPIO1
u8_data = pci_read_config8(dev, 0x80);
if (udata8 & 0x2) {
u8_data |= (1 << 1);
}
else {
u8_data &= ~(1 << 1);
}
pci_write_config8(dev, 0x80, u8_data);
// LED[bit2]:GPIO4
u8_data = pci_read_config8(dev, 0xa8);
if (udata8 & 0x4) {
u8_data |= (1 << 0);
}
else {
u8_data &= ~(1 << 0);
}
pci_write_config8(dev, 0xa8, u8_data);
// LED[bit3]:GPIO6
u8_data = pci_read_config8(dev, 0xa8);
if (udata8 & 0x8) {
u8_data |= (1 << 2);
}
else {
u8_data &= ~(1 << 2);
}
pci_write_config8(dev, 0xa8, u8_data);
// LED[bit4]:GPIO7
u8_data = pci_read_config8(dev, 0xa8);
if (udata8 & 0x10) {
u8_data |= (1 << 3);
}
else {
u8_data &= ~(1 << 3);
}
pci_write_config8(dev, 0xa8, u8_data);
// LED[bit5]:GPIO8
u8_data = pci_read_config8(dev, 0xa8);
if (udata8 & 0x20) {
u8_data |= (1 << 4);
}
else {
u8_data &= ~(1 << 4);
}
pci_write_config8(dev, 0xa8, u8_data);
// LED[bit6]:GPIO10
u8_data = pci_read_config8(dev, 0xab);
if (udata8 & 0x40) {
u8_data |= (1 << 0);
}
else {
u8_data &= ~(1 << 0);
}
pci_write_config8(dev, 0xab, u8_data);
// LED[bit7]:GPIO66
u8_data = pci_read_config8(dev, 0x7e);
if (udata8 & 0x80) {
u8_data |= (1 << 1);
}
else {
u8_data &= ~(1 << 1);
}
pci_write_config8(dev, 0x7e, u8_data);
}
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