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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007 Rudolf Marek <r.marek@assembler.cz>
*
* 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.
*
* 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_VIA_VT8237R_VT8237R_H
#define SOUTHBRIDGE_VIA_VT8237R_VT8237R_H
#include <stdint.h>
/* Static resources for the VT8237R southbridge */
#define VT8237R_APIC_ID 0x2
#define VT8237R_ACPI_IO_BASE 0x500
#define VT8237R_SMBUS_IO_BASE 0x400
/* 0x0 disabled, 0x2 reserved, 0xf = IRQ15 */
#define VT8237R_ACPI_IRQ 0x9
#if defined(__GNUC__)
#define VT8237S_SPI_MEM_BASE 0xfed02000ULL
#else
#define VT8237S_SPI_MEM_BASE 0xfed02000UL
#endif
#define VT8237R_HPET_ADDR 0xfed00000ULL
/* IDE */
#define IDE_CS 0x40
#define IDE_CONF_I 0x41
#define IDE_CONF_II 0x42
#define IDE_CONF_FIFO 0x43
#define IDE_MISC_I 0x44
#define IDE_MISC_II 0x45
#define IDE_UDMA 0x50
/* SMBus */
#define VT8237R_PSON 0x82
#define VT8237R_POWER_WELL 0x94
#define VT8237R_SMBUS_IO_BASE_REG 0xd0
#define VT8237R_SMBUS_HOST_CONF 0xd2
#define SMBHSTSTAT (VT8237R_SMBUS_IO_BASE + 0x0)
#define SMBSLVSTAT (VT8237R_SMBUS_IO_BASE + 0x1)
#define SMBHSTCTL (VT8237R_SMBUS_IO_BASE + 0x2)
#define SMBHSTCMD (VT8237R_SMBUS_IO_BASE + 0x3)
#define SMBXMITADD (VT8237R_SMBUS_IO_BASE + 0x4)
#define SMBHSTDAT0 (VT8237R_SMBUS_IO_BASE + 0x5)
#define HOST_RESET 0xff
/* 1 in the 0 bit of SMBHSTADD states to READ. */
#define READ_CMD 0x01
#define SMBUS_TIMEOUT (100 * 1000 * 10)
#define I2C_TRANS_CMD 0x40
#define CLOCK_SLAVE_ADDRESS 0x69
#if CONFIG_DEBUG_SMBUS
#define PRINT_DEBUG(x) print_debug(x)
#define PRINT_DEBUG_HEX16(x) print_debug_hex16(x)
#else
#define PRINT_DEBUG(x)
#define PRINT_DEBUG_HEX16(x)
#endif
#define SMBUS_DELAY() inb(0x80)
struct vt8237_network_rom {
u8 mac_address[6];
u8 phy_addr;
u8 res1;
u16 sub_sid;
u16 sub_vid;
u16 pid;
u16 vid;
u8 pmcc;
u8 data_sel;
u8 pmu_data_reg;
u8 aux_curr;
u16 reserved;
u8 min_gnt;
u8 max_lat;
u8 bcr0;
u8 bcr1;
u8 cfg_a;
u8 cfg_b;
u8 cfg_c;
u8 cfg_d;
u8 checksum;
}
#if defined(__GNUC__)
__attribute__ ((packed))
#endif
;
#ifdef __PRE_RAM__
#ifndef __ROMCC__
u8 smbus_read_byte(u8 dimm, u8 offset);
void enable_smbus(void);
void smbus_fixup(const struct mem_controller *ctrl);
// these are in vt8237_early_smbus.c - do they really belong there?
void vt8237_sb_enable_fid_vid(void);
void enable_rom_decode(void);
void vt8237_early_spi_init(void);
int vt8237_early_network_init(struct vt8237_network_rom *rom);
#endif
#else
#include <device/device.h>
void writeback(struct device *dev, u16 where, u8 what);
void dump_south(device_t dev);
#endif
#endif
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