49a7c37de9
Change-Id: Ice4a5cae1a289852895012bb55035707b54cefb5 Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/16899 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
146 lines
3.5 KiB
C
146 lines
3.5 KiB
C
/*
|
|
* This file is part of the coreboot project.
|
|
*
|
|
* Copyright (C) 2004 Tyan Computer
|
|
* Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <console/console.h>
|
|
#include <device/device.h>
|
|
#include <delay.h>
|
|
#include <device/pci.h>
|
|
#include <device/pci_ids.h>
|
|
#include <device/pci_ops.h>
|
|
#include "chip.h"
|
|
|
|
#ifndef CK804_SATA_RESET_FOR_ATAPI
|
|
#define CK804_SATA_RESET_FOR_ATAPI 0
|
|
#endif
|
|
|
|
#if CK804_SATA_RESET_FOR_ATAPI
|
|
static void sata_com_reset(struct device *dev, unsigned reset)
|
|
// reset = 1 : reset
|
|
// reset = 0 : clear
|
|
{
|
|
u32 *base;
|
|
u32 dword;
|
|
int loop;
|
|
|
|
base = (u32 *) pci_read_config32(dev, 0x24);
|
|
|
|
printk(BIOS_DEBUG, "base = %08lx\n", base);
|
|
|
|
if (reset) {
|
|
*(base + 4) = 0xffffffff;
|
|
*(base + 0x44) = 0xffffffff;
|
|
}
|
|
|
|
dword = *(base + 8);
|
|
dword &= ~(0xf);
|
|
dword |= reset;
|
|
|
|
*(base + 8) = dword;
|
|
*(base + 0x48) = dword;
|
|
|
|
if (reset)
|
|
return;
|
|
|
|
dword = *(base + 0);
|
|
printk(BIOS_DEBUG, "*(base+0)=%08x\n", dword);
|
|
if (dword == 0x113) {
|
|
loop = 200000; // 2
|
|
do {
|
|
dword = *(base + 4);
|
|
if ((dword & 0x10000) != 0)
|
|
break;
|
|
udelay(10);
|
|
} while (--loop > 0);
|
|
printk(BIOS_DEBUG, "loop=%d, *(base+4)=%08x\n", loop, dword);
|
|
}
|
|
|
|
dword = *(base + 0x40);
|
|
printk(BIOS_DEBUG, "*(base+0x40)=%08x\n", dword);
|
|
if (dword == 0x113) {
|
|
loop = 200000; //2
|
|
do {
|
|
dword = *(base + 0x44);
|
|
if ((dword & 0x10000) != 0)
|
|
break;
|
|
udelay(10);
|
|
} while (--loop > 0);
|
|
printk(BIOS_DEBUG, "loop=%d, *(base+0x44)=%08x\n", loop, dword);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static void sata_init(struct device *dev)
|
|
{
|
|
u32 dword;
|
|
struct southbridge_nvidia_ck804_config *conf;
|
|
|
|
conf = dev->chip_info;
|
|
|
|
dword = pci_read_config32(dev, 0x50);
|
|
/* Ensure prefetch is disabled. */
|
|
dword &= ~((1 << 15) | (1 << 13));
|
|
if (conf->sata1_enable) {
|
|
/* Enable secondary SATA interface. */
|
|
dword |= (1 << 0);
|
|
printk(BIOS_DEBUG, "SATA S\t");
|
|
}
|
|
if (conf->sata0_enable) {
|
|
/* Enable primary SATA interface. */
|
|
dword |= (1 << 1);
|
|
printk(BIOS_DEBUG, "SATA P\n");
|
|
}
|
|
|
|
#if 1
|
|
/* DO NOT relay OK and PAGE_FRNDLY_DTXFR_CNT. */
|
|
dword &= ~(0x1f << 24);
|
|
dword |= (0x15 << 24);
|
|
#endif
|
|
pci_write_config32(dev, 0x50, dword);
|
|
|
|
dword = pci_read_config32(dev, 0xf8);
|
|
dword |= 2;
|
|
pci_write_config32(dev, 0xf8, dword);
|
|
|
|
#if CK804_SATA_RESET_FOR_ATAPI
|
|
dword = pci_read_config32(dev, 0xac);
|
|
dword &= ~((1 << 13) | (1 << 14));
|
|
dword |= (1 << 13) | (0 << 14);
|
|
pci_write_config32(dev, 0xac, dword);
|
|
|
|
sata_com_reset(dev, 1); /* For discover some s-atapi device. */
|
|
#endif
|
|
}
|
|
|
|
static struct device_operations sata_ops = {
|
|
.read_resources = pci_dev_read_resources,
|
|
.set_resources = pci_dev_set_resources,
|
|
.enable_resources = pci_dev_enable_resources,
|
|
.init = sata_init,
|
|
.scan_bus = 0,
|
|
.ops_pci = &ck804_pci_ops,
|
|
};
|
|
|
|
static const struct pci_driver sata0_driver __pci_driver = {
|
|
.ops = &sata_ops,
|
|
.vendor = PCI_VENDOR_ID_NVIDIA,
|
|
.device = PCI_DEVICE_ID_NVIDIA_CK804_SATA0,
|
|
};
|
|
|
|
static const struct pci_driver sata1_driver __pci_driver = {
|
|
.ops = &sata_ops,
|
|
.vendor = PCI_VENDOR_ID_NVIDIA,
|
|
.device = PCI_DEVICE_ID_NVIDIA_CK804_SATA1,
|
|
};
|