vbatts/grub
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

SMBus on CS5536 support

Browse source
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-02-16 22:39:59 +01:00
parent d9f31a41ca
commit 232f7e29c9
6 changed files with 419 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

62
include/grub/cs5536.h Normal file
View file

@ -0,0 +1,62 @@
/*
* 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
#include <grub/pci.h>
#include <grub/err.h>
#include <grub/smbus.h>
#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_SMB_BAR 0x8000000b
#define GRUB_CS5536_SMB_REG_DATA 0x0
#define GRUB_CS5536_SMB_REG_STATUS 0x1
#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
#define GRUB_CS5536_LBAR_ADDR_MASK 0x000000000000fff8ULL
#define GRUB_CS5536_LBAR_ADDR_OFF 3
#define GRUB_CS5536_LBAR_ENABLE 0x0000000100000000ULL
#define GRUB_SMB_RAM_START_ADDR 0x50
#define GRUB_SMB_RAM_NUM_MAX 0x08
int 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 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 grub_cs5536_init_smbus (grub_pci_device_t dev, grub_uint16_t divisor,
grub_port_t *smbbase);
#endif

39
include/grub/smbus.h Normal file
View file

@ -0,0 +1,39 @@
/*
* 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_SMBUS_HEADER
#define GRUB_SMBUS_HEADER 1
struct grub_smbus_spd
{
grub_uint8_t written_size;
grub_uint8_t log_total_flash_size;
#define GRUB_SMBUS_SPD_MEMORY_TYPE_DDR2 8
grub_uint8_t memory_type;
union
{
grub_uint8_t unknown[253];
struct {
grub_uint8_t unused1[70];
grub_uint8_t part_number[18];
grub_uint8_t unused2[165];
} ddr2;
};
};
#endif