grub2/include/grub/cs5536.h
Vladimir 'phcoder' Serbinenko f9e7780cff Fix an early timer-related hang
2010-04-06 02:40:44 +02:00

96 lines
3.4 KiB
C

/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2010 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_CS5536_HEADER
#define GRUB_CS5536_HEADER 1
#ifndef ASM_FILE
#include <grub/pci.h>
#include <grub/err.h>
#include <grub/smbus.h>
#endif
#define GRUB_CS5536_PCIID 0x208f1022
#define GRUB_CS5536_MSR_MAILBOX_ADDR 0xf4
#define GRUB_CS5536_MSR_MAILBOX_DATA0 0xf8
#define GRUB_CS5536_MSR_MAILBOX_DATA1 0xfc
#define GRUB_CS5536_MSR_IRQ_MAP_BAR 0x80000008
#define GRUB_CS5536_MSR_SMB_BAR 0x8000000b
#define GRUB_CS5536_MSR_GPIO_BAR 0x8000000c
#define GRUB_CS5536_MSR_MFGPT_BAR 0x8000000d
#define GRUB_CS5536_MSR_ACPI_BAR 0x8000000e
#define GRUB_CS5536_MSR_PM_BAR 0x8000000f
#define GRUB_CS5536_SMB_REG_DATA 0x0
#define GRUB_CS5536_SMB_REG_STATUS 0x1
#define GRUB_CS5536_SMB_REG_STATUS_SDAST (1 << 6)
#define GRUB_CS5536_SMB_REG_STATUS_BER (1 << 5)
#define GRUB_CS5536_SMB_REG_STATUS_NACK (1 << 4)
#define GRUB_CS5536_SMB_REG_CTRL1 0x3
#define GRUB_CS5536_SMB_REG_CTRL1_START 0x01
#define GRUB_CS5536_SMB_REG_CTRL1_STOP 0x02
#define GRUB_CS5536_SMB_REG_CTRL1_ACK 0x10
#define GRUB_CS5536_SMB_REG_ADDR 0x4
#define GRUB_CS5536_SMB_REG_ADDR_MASTER 0x0
#define GRUB_CS5536_SMB_REG_CTRL2 0x5
#define GRUB_CS5536_SMB_REG_CTRL2_ENABLE 0x1
#define GRUB_CS5536_SMB_REG_CTRL3 0x6
#ifdef ASM_FILE
#define GRUB_ULL(x) x
#else
#define GRUB_ULL(x) x ## ULL
#endif
#define GRUB_CS5536_LBAR_ADDR_MASK GRUB_ULL (0x000000000000fff8)
#define GRUB_CS5536_LBAR_ENABLE GRUB_ULL (0x0000000100000000)
#define GRUB_CS5536_LBAR_MASK_MASK GRUB_ULL (0x0000f00000000000)
#define GRUB_CS5536_LBAR_TURN_ON (GRUB_CS5536_LBAR_ENABLE | GRUB_CS5536_LBAR_MASK_MASK)
/* PMON-compatible LBARs. */
#define GRUB_CS5536_LBAR_IRQ_MAP 0x0b360
#define GRUB_CS5536_LBAR_GPIO 0x0b000
#define GRUB_CS5536_LBAR_MFGPT 0x0b300
#define GRUB_CS5536_LBAR_SMBUS 0x0b390
#define GRUB_CS5536_LBAR_ACPI 0x0b340
#define GRUB_CS5536_LBAR_PM 0x0b280
#define GRUB_GPIO_SMBUS_PINS ((1 << 14) | (1 << 15))
#define GRUB_GPIO_REG_OUT_EN 0x4
#define GRUB_GPIO_REG_OUT_AUX1 0x10
#define GRUB_GPIO_REG_IN_EN 0x20
#define GRUB_GPIO_REG_IN_AUX1 0x34
#ifndef ASM_FILE
int EXPORT_FUNC (grub_cs5536_find) (grub_pci_device_t *devp);
grub_uint64_t grub_cs5536_read_msr (grub_pci_device_t dev, grub_uint32_t addr);
void grub_cs5536_write_msr (grub_pci_device_t dev, grub_uint32_t addr,
grub_uint64_t val);
grub_err_t grub_cs5536_read_spd_byte (grub_port_t smbbase, grub_uint8_t dev,
grub_uint8_t addr, grub_uint8_t *res);
grub_err_t EXPORT_FUNC (grub_cs5536_read_spd) (grub_port_t smbbase,
grub_uint8_t dev,
struct grub_smbus_spd *res);
grub_err_t grub_cs5536_smbus_wait (grub_port_t smbbase);
grub_err_t EXPORT_FUNC (grub_cs5536_init_smbus) (grub_pci_device_t dev,
grub_uint16_t divisor,
grub_port_t *smbbase);
#endif
#endif