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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2004 Tyan Computer
* Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer.
* Copyright (C) 2006,2007 AMD
* Written by Yinghai Lu <yinghai.lu@amd.com> for AMD.
* Copyright (C) 2007 Silicon Integrated Systems Corp. (SiS)
* Written by Morgan Tsai <my_tsai@sis.com> for SiS.
*
* 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.
*/
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <arch/io.h>
#include "sis966.h"
#include "chip.h"
uint8_t SiS_SiS5513_init[49][3]={
{0x04, 0xFF, 0x05},
{0x0D, 0xFF, 0x80},
{0x2C, 0xFF, 0x39},
{0x2D, 0xFF, 0x10},
{0x2E, 0xFF, 0x13},
{0x2F, 0xFF, 0x55},
{0x50, 0xFF, 0xA2},
{0x51, 0xFF, 0x21},
{0x53, 0xFF, 0x21},
{0x54, 0xFF, 0x2A},
{0x55, 0xFF, 0x96},
{0x52, 0xFF, 0xA2},
{0x56, 0xFF, 0x81},
{0x57, 0xFF, 0xC0},
{0x60, 0xFF, 0xFB},
{0x61, 0xFF, 0xAA},
{0x62, 0xFF, 0xFB},
{0x63, 0xFF, 0xAA},
{0x81, 0xFF, 0xB3},
{0x82, 0xFF, 0x72},
{0x83, 0xFF, 0x40},
{0x85, 0xFF, 0xB3},
{0x86, 0xFF, 0x72},
{0x87, 0xFF, 0x40},
{0x94, 0xFF, 0xC0},
{0x95, 0xFF, 0x08},
{0x96, 0xFF, 0xC0},
{0x97, 0xFF, 0x08},
{0x98, 0xFF, 0xCC},
{0x99, 0xFF, 0x04},
{0x9A, 0xFF, 0x0C},
{0x9B, 0xFF, 0x14},
{0xA0, 0xFF, 0x11},
{0x57, 0xFF, 0xD0},
{0xD8, 0xFE, 0x01}, // Com reset
{0xC8, 0xFE, 0x01},
{0xC4, 0xFF, 0xFF}, // Clear status
{0xC5, 0xFF, 0xFF},
{0xC6, 0xFF, 0xFF},
{0xC7, 0xFF, 0xFF},
{0xD4, 0xFF, 0xFF},
{0xD5, 0xFF, 0xFF},
{0xD6, 0xFF, 0xFF},
{0xD7, 0xFF, 0xFF},
{0x2C, 0xFF, 0x39}, // set subsystem ID
{0x2D, 0xFF, 0x10},
{0x2E, 0xFF, 0x13},
{0x2F, 0xFF, 0x55},
{0x00, 0x00, 0x00} //End of table
};
static void ide_init(struct device *dev)
{
struct southbridge_sis_sis966_config *conf;
/* Enable ide devices so the linux ide driver will work */
uint32_t dword;
uint16_t word;
uint8_t byte;
conf = dev->chip_info;
printk(BIOS_DEBUG, "IDE_INIT:---------->\n");
//-------------- enable IDE (SiS5513) -------------------------
{
uint8_t temp8;
int i=0;
while(SiS_SiS5513_init[i][0] != 0)
{
temp8 = pci_read_config8(dev, SiS_SiS5513_init[i][0]);
temp8 &= SiS_SiS5513_init[i][1];
temp8 |= SiS_SiS5513_init[i][2];
pci_write_config8(dev, SiS_SiS5513_init[i][0], temp8);
i++;
};
}
//-----------------------------------------------------------
word = pci_read_config16(dev, 0x50);
/* Ensure prefetch is disabled */
word &= ~((1 << 15) | (1 << 13));
if (conf->ide1_enable) {
/* Enable secondary ide interface */
word |= (1<<0);
printk(BIOS_DEBUG, "IDE1\t");
}
if (conf->ide0_enable) {
/* Enable primary ide interface */
word |= (1<<1);
printk(BIOS_DEBUG, "IDE0\n");
}
word |= (1<<12);
word |= (1<<14);
pci_write_config16(dev, 0x50, word);
byte = 0x20 ; // Latency: 64-->32
pci_write_config8(dev, 0xd, byte);
dword = pci_read_config32(dev, 0xf8);
dword |= 12;
pci_write_config32(dev, 0xf8, dword);
#if DEBUG_IDE
{
int i;
printk(BIOS_DEBUG, "****** IDE PCI config ******");
printk(BIOS_DEBUG, "\n 03020100 07060504 0B0A0908 0F0E0D0C");
for (i=0;i<0xff;i+=4){
if ((i%16)==0)
printk(BIOS_DEBUG, "\n%02x: ", i);
printk(BIOS_DEBUG, "%08x ", pci_read_config32(dev,i));
}
printk(BIOS_DEBUG, "\n");
}
#endif
printk(BIOS_DEBUG, "IDE_INIT:<----------\n");
}
static void lpci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
{
pci_write_config32(dev, 0x40,
((device & 0xffff) << 16) | (vendor & 0xffff));
}
static struct pci_operations lops_pci = {
.set_subsystem = lpci_set_subsystem,
};
static struct device_operations ide_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = ide_init,
.scan_bus = 0,
// .enable = sis966_enable,
.ops_pci = &lops_pci,
};
static const struct pci_driver ide_driver __pci_driver = {
.ops = &ide_ops,
.vendor = PCI_VENDOR_ID_SIS,
.device = PCI_DEVICE_ID_SIS_SIS966_IDE,
};
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