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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2010 Advanced Micro Devices, Inc.
*
* 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 <arch/io.h>
#include <device/mmio.h>
#include <arch/acpi.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_def.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <types.h>
#include "hudson.h"
#include "smbus.h"
#include "smi.h"
#include "fchec.h"
int acpi_get_sleep_type(void)
{
u16 tmp = inw(ACPI_PM1_CNT_BLK);
tmp = ((tmp & (7 << 10)) >> 10);
return (int)tmp;
}
void pm_write8(u8 reg, u8 value)
{
write8((void *)(PM_MMIO_BASE + reg), value);
}
u8 pm_read8(u8 reg)
{
return read8((void *)(PM_MMIO_BASE + reg));
}
void pm_write16(u8 reg, u16 value)
{
write16((void *)(PM_MMIO_BASE + reg), value);
}
u16 pm_read16(u16 reg)
{
return read16((void *)(PM_MMIO_BASE + reg));
}
void hudson_enable(struct device *dev)
{
printk(BIOS_DEBUG, "hudson_enable()\n");
switch (dev->path.pci.devfn) {
case PCI_DEVFN(0x14, 7): /* SD */
if (dev->enabled == 0) {
u32 sd_device_id = pci_read_config16(dev, PCI_DEVICE_ID);
/* turn off the SDHC controller in the PM reg */
u8 reg8;
if (sd_device_id == PCI_DEVICE_ID_AMD_HUDSON_SD) {
reg8 = pm_read8(PM_HUD_SD_FLASH_CTRL);
reg8 &= ~BIT(0);
pm_write8(PM_HUD_SD_FLASH_CTRL, reg8);
}
else if (sd_device_id == PCI_DEVICE_ID_AMD_YANGTZE_SD) {
reg8 = pm_read8(PM_YANG_SD_FLASH_CTRL);
reg8 &= ~BIT(0);
pm_write8(PM_YANG_SD_FLASH_CTRL, reg8);
}
/* remove device 0:14.7 from PCI space */
reg8 = pm_read8(PM_MANUAL_RESET);
reg8 &= ~BIT(6);
pm_write8(PM_MANUAL_RESET, reg8);
}
break;
default:
break;
}
}
static void hudson_init_acpi_ports(void)
{
/* We use some of these ports in SMM regardless of whether or not
* ACPI tables are generated. Enable these ports indiscriminately.
*/
pm_write16(PM_EVT_BLK, ACPI_PM_EVT_BLK);
pm_write16(PM1_CNT_BLK, ACPI_PM1_CNT_BLK);
pm_write16(PM_TMR_BLK, ACPI_PM_TMR_BLK);
pm_write16(PM_GPE0_BLK, ACPI_GPE0_BLK);
/* CpuControl is in \_PR.CP00, 6 bytes */
pm_write16(PM_CPU_CTRL, ACPI_CPU_CONTROL);
if (CONFIG(HAVE_SMI_HANDLER)) {
pm_write16(PM_ACPI_SMI_CMD, ACPI_SMI_CTL_PORT);
hudson_enable_acpi_cmd_smi();
} else {
pm_write16(PM_ACPI_SMI_CMD, 0);
}
/* AcpiDecodeEnable, When set, SB uses the contents of the PM registers
* at index 60-6B to decode ACPI I/O address. AcpiSmiEn & SmiCmdEn
*/
pm_write8(PM_ACPI_CONF, BIT(0) | BIT(1) | BIT(4) | BIT(2));
}
static void hudson_init(void *chip_info)
{
hudson_init_acpi_ports();
}
static void hudson_final(void *chip_info)
{
if (CONFIG(HUDSON_IMC_FWM)) {
agesawrapper_fchecfancontrolservice();
if (!CONFIG(ACPI_ENABLE_THERMAL_ZONE))
enable_imc_thermal_zone();
}
}
struct chip_operations southbridge_amd_pi_hudson_ops = {
CHIP_NAME("ATI HUDSON")
.enable_dev = hudson_enable,
.init = hudson_init,
.final = hudson_final
};
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