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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
*
* 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
*/
#ifndef SOUTHBRIDGE_INTEL_I82371EB_I82371EB_H
#define SOUTHBRIDGE_INTEL_I82371EB_I82371EB_H
#if !defined(ASSEMBLY)
#if !defined(__PRE_RAM__)
#if !defined(__ACPI__) /* dsdt include */
#include <arch/io.h>
#include <device/device.h>
#include "chip.h"
void i82371eb_enable(device_t dev);
void i82371eb_hard_reset(void);
#endif
#endif
#endif
#if defined(__PRE_RAM__) && !defined(__ROMCC__)
void enable_smbus(void);
int smbus_read_byte(u8 device, u8 address);
void enable_pm(void);
#endif
/* If 'cond' is true this macro sets the bit(s) specified by 'bits' in the
* 'reg' variable, otherwise it clears those bits.
*
* Examples:
* reg16 = ONOFF(conf->ide0_enable, reg16, (1 << 5));
* reg16 = ONOFF(conf->ide0_enable, reg16, (FOO | BAR));
*/
/* TODO: Move into some global header file? */
#define ONOFF(cond,reg,bits) ((cond) ? ((reg) | (bits)) : ((reg) & ~(bits)))
#define XBCS 0x4e /* X-Bus chip select register */
#define GENCFG 0xb0 /* General configuration register */
#define RC 0xcf9 /* Reset control register */
/* IDE */
#define IDETIM_PRI 0x40 /* IDE timing register, primary channel */
#define IDETIM_SEC 0x42 /* IDE timing register, secondary channel */
#define UDMACTL 0x48 /* Ultra DMA/33 control register */
#define UDMATIM 0x4a /* Ultra DMA/33 timing register */
/* SMBus */
#define SMBBA 0x90 /* SMBus base address */
#define SMBUS_IO_BASE 0x0f00
#define SMBHSTCFG 0xd2 /* SMBus host configuration */
/* Power management (ACPI) */
#define PMSTS 0x00 /* Power Management Status */
#define PMEN 0x02 /* Power Management Resume Enable */
#define PWRBTN_EN (1<<8)
#define GBL_EN (1<<5)
#define PMCNTRL 0x04 /* Power Management Control */
#define SUS_EN (1<<13) /* S0-S5 trigger */
#define SUS_TYP_MSK (7<<10)
#define SUS_TYP_S0 (5<<10)
#define SUS_TYP_S1 (4<<10)
#define SUS_TYP_S2 (3<<10)
//#define SUS_TYP_S2>---(2<<10)
#define SUS_TYP_S3 (1<<10)
#define SUS_TYP_S5 (0<<10)
#define SCI_EN (1<<0)
#define PMTMR 0x08 /* Power Management Timer */
#define GPSTS 0x0c /* General Purpose Status */
#define GPEN 0x0e /* General Purpose Enable */
#define THRM_EN (1<<0)
#define PCNTRL 0x10 /* Processor control */
#define GLBSTS 0x18 /* Global Status */
#define IRQ_RSM_STS (1<<11)
#define EXTSMI_STS (1<<10)
#define GSTBY_STS (1<<8)
#define GP_STS (1<<7)
#define BM1_STS (1<<6)
#define APM_STS (1<<5)
#define DEV_STS (1<<4)
#define BIOS_EN (1<<1) /* GBL_RLS write triggers SMI */
#define LEGACY_USB_EN (1<<0) /* Keyboard controller access triggers SMI */
#define DEVSTS 0x1c /* Device Status */
#define GLBEN 0x20 /* Global Enable */
#define EXTSMI_EN (1<<10) /* EXTSMI# signal triggers SMI */
#define GSTBY_EN (1<<8)
#define BM_TRP_EN (1<<1)
#define BIOS_EN (1<<1) /* GBL_RLS write triggers SMI */
#define LEGACY_USB_EN (1<<0) /* Keyboard controller access triggers SMI */
#define GLBCTL 0x28 /* Global Control */
#define EOS (1<<16) /* End of SMI */
#define SMI_EN (1<<0) /* SMI enable */
#define DEVCTL 0x2c /* Device Control */
#define TRP_EN_DEV12 (1<<24) /* SMI on dev12 trap */
#define GPO0 0x34
#define GPO1 0x35
#define GPO2 0x36
#define GPO3 0x37
#define PMBA 0x40 /* Power management base address */
#define DEFAULT_PMBASE 0xe400
#define PM_IO_BASE DEFAULT_PMBASE
#define PMREGMISC 0x80 /* Miscellaneous power management */
/* Bit definitions */
#define EXT_BIOS_ENABLE_1MB (1 << 9) /* 1-Meg Extended BIOS Enable */
#define EXT_BIOS_ENABLE (1 << 7) /* Extended BIOS Enable */
#define LOWER_BIOS_ENABLE (1 << 6) /* Lower BIOS Enable */
#define WRITE_PROTECT_ENABLE (1 << 2) /* Write Protect Enable */
#define SRST (1 << 1) /* System Reset */
#define RCPU (1 << 2) /* Reset CPU */
#define SMB_HST_EN (1 << 0) /* Host Interface Enable */
#define IDE_DECODE_ENABLE (1 << 15) /* IDE Decode Enable */
#define DTE0 (1 << 3) /* DMA Timing Enable Only, drive 0 */
#define DTE1 (1 << 7) /* DMA Timing Enable Only, drive 1 */
#define PSDE0 (1 << 0) /* Primary Drive 0 UDMA/33 */
#define PSDE1 (1 << 1) /* Primary Drive 1 UDMA/33 */
#define SSDE0 (1 << 2) /* Secondary Drive 0 UDMA/33 */
#define SSDE1 (1 << 3) /* Secondary Drive 1 UDMA/33 */
#define ISA (1 << 0) /* Select ISA */
#define EIO (0 << 0) /* Select EIO */
#define PMIOSE (1 << 0) /* PM I/O Space Enable */
#endif /* SOUTHBRIDGE_INTEL_I82371EB_I82371EB_H */
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