switch-coreboot/southbridge/amd/sb600/usb.c
Myles Watson 72c2e85313 This patch changes all occurrences of pci_dev_set_resources ->
pci_set_resources.  There is no matching pci_bus_set_resources, so it's
confusing to see the dev function in the bus structures.
 
Signed-off-by: Myles Watson <mylesgw@gmail.com>

Acked-by: Peter Stuge <peter@stuge.se>

git-svn-id: svn://coreboot.org/repository/coreboot-v3@1048 f3766cd6-281f-0410-b1cd-43a5c92072e9
2008-11-24 14:06:10 +00:00

214 lines
6.1 KiB
C

/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008 Advanced Micro Devices, Inc.
*
* 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
*/
#include <types.h>
#include <lib.h>
#include <console.h>
#include <device/pci.h>
#include <msr.h>
#include <legacy.h>
#include <device/pci_ids.h>
#include <device/smbus.h>
#include <cpu.h>
#include <lapic.h>
#include <io.h>
#include <statictree.h>
#include <config.h>
#include <mc146818rtc.h>
#include "sb600.h"
#include "sb600.h"
static struct pci_operations lops_pci = {
.set_subsystem = pci_dev_set_subsystem,
};
static void usb_init(struct device *dev)
{
u8 byte;
u16 word;
u32 dword;
/* Enable OHCI0-4 and EHCI Controllers */
struct device * sm_dev;
sm_dev = dev_find_slot(0, PCI_DEVFN(0x14, 0));
byte = pci_read_config8(sm_dev, 0x68);
byte |= 0x3F;
pci_write_config8(sm_dev, 0x68, byte);
/* RPR 5.2 Enables the USB PME Event,Enable USB resume support */
byte = pm_ioread(0x61);
byte |= 1 << 6;
pm_iowrite(0x61, byte);
byte = pm_ioread(0x65);
byte |= 1 << 2;
pm_iowrite(0x65, byte);
/* RPR 5.3 Support USB device wakeup from the S4/S5 state */
byte = pm_ioread(0x65);
byte &= ~(1 << 0);
pm_iowrite(0x65, byte);
/* RPR 5.6 Enable the USB controller to get reset by any software that generate a PCIRst# condition */
byte = pm_ioread(0x65);
byte |= (1 << 4);
pm_iowrite(0x65, byte);
/* RPR 5.11 Disable OHCI MSI Capability */
word = pci_read_config16(dev, 0x40);
word |= (0x1F << 8);
pci_write_config16(dev, 0x40, word);
/* RPR 5.8 Disable the OHCI Dynamic Power Saving feature */
dword = pci_read_config32(dev, 0x50);
dword &= ~(1 << 16);
pci_write_config32(dev, 0x50, dword);
/* RPR 5.12 Enable prevention of OHCI accessing the invalid system memory address range */
word = pci_read_config16(dev, 0x50);
word |= 1 << 15;
pci_write_config16(dev, 0x50, word);
/* RPR 5.15 Disable SMI handshake in between USB and ACPI for USB legacy support. */
/* The BIOS should always set this bit to prevent the malfunction on USB legacy keyboard/mouse support */
word = pci_read_config16(dev, 0x50);
word |= 1 << 12;
pci_write_config16(dev, 0x50, word);
}
static void usb_init2(struct device *dev)
{
u8 byte;
u16 word;
u32 dword;
u8 *usb2_bar0;
/* dword = pci_read_config32(dev, 0xf8); */
/* dword |= 40; */
/* pci_write_config32(dev, 0xf8, dword); */
usb2_bar0 = (u8 *) (pci_read_config32(dev, PCI_BASE_ADDRESS_0) & ~0xFF);
printk(BIOS_INFO, "usb2_bar0=%x\n", usb2_bar0);
/* RPR5.4 Enables the USB PHY auto calibration resister to match 45ohm resistence */
dword = 0x00020F00;
writel(dword, usb2_bar0 + 0xC0);
/* RPR5.5 Sets In/OUT FIFO threshold for best performance */
dword = 0x00200040;
writel(dword, usb2_bar0 + 0xA4);
/* RPR5.9 Disable the EHCI Dynamic Power Saving feature */
word = readl(usb2_bar0 + 0xBC);
word &= ~(1 << 12);
writew(word, usb2_bar0 + 0xBC);
/* RPR5.10 Disable EHCI MSI support */
byte = pci_read_config8(dev, 0x50);
byte |= (1 << 6);
pci_write_config8(dev, 0x50, byte);
/* RPR5.13 Disable C3 time enhancement feature */
dword = pci_read_config32(dev, 0x50);
dword &= ~(1 << 28);
pci_write_config32(dev, 0x50, dword);
/* RPR5.14 Disable USB PHY PLL Reset signal to come from ACPI */
byte = pci_read_config8(dev, 0x54);
byte &= ~(1 << 0);
pci_write_config8(dev, 0x54, byte);
}
static void usb_set_resources(struct device *dev)
{
#ifdef CONFIG_USBDEBUG_DIRECT
struct resource *res;
u32 base;
u32 old_debug;
old_debug = get_ehci_debug();
set_ehci_debug(0);
#endif
pci_set_resources(dev);
#ifdef CONFIG_USBDEBUG_DIRECT
res = find_resource(dev, 0x10);
set_ehci_debug(old_debug);
if (!res)
return;
base = res->base;
set_ehci_base(base);
report_resource_stored(dev, res, "");
#endif
}
/* note that below there are a lot of usb drivers. But we don't support linker sets
* What we need to do is has a phase 2 function that puts the many usb devices into the device tree.
* That's one of the purposes of phase 2. We will write this later.
*
*/
#warning need USB phase 2 function to populate device tree
struct device_operations sb600_usb = {
.id = {.type = DEVICE_ID_PCI,
{.pci = {.vendor = PCI_VENDOR_ID_ATI,
.device = PCI_DEVICE_ID_ATI_SB600_USB_0}}},
.constructor = default_device_constructor,
.phase3_scan = scan_static_bus,
.phase4_read_resources = pci_dev_read_resources,
.phase4_set_resources = usb_set_resources,
.phase5_enable_resources = pci_dev_enable_resources,
.phase6_init = usb_init,
.ops_pci = &lops_pci
};
#if 0
static struct pci_driver usb_1_driver __pci_driver = {
.ops = &usb_ops,
.vendor = PCI_VENDOR_ID_ATI,
.device = PCI_DEVICE_ID_ATI_SB600_USB_1,
};
static struct pci_driver usb_2_driver __pci_driver = {
.ops = &usb_ops,
.vendor = PCI_VENDOR_ID_ATI,
.device = PCI_DEVICE_ID_ATI_SB600_USB_2,
};
static struct pci_driver usb_3_driver __pci_driver = {
.ops = &usb_ops,
.vendor = PCI_VENDOR_ID_ATI,
.device = PCI_DEVICE_ID_ATI_SB600_USB_3,
};
static struct pci_driver usb_4_driver __pci_driver = {
.ops = &usb_ops,
.vendor = PCI_VENDOR_ID_ATI,
.device = PCI_DEVICE_ID_ATI_SB600_USB_4,
};
#endif
struct device_operations sb600_usb2 = {
.id = {.type = DEVICE_ID_PCI,
{.pci = {.vendor = PCI_VENDOR_ID_ATI,
.device = PCI_DEVICE_ID_ATI_SB600_USB2}}},
.constructor = default_device_constructor,
.phase3_scan = scan_static_bus,
.phase3_chip_setup_dev = sb600_enable,
.phase4_read_resources = pci_dev_read_resources,
.phase4_set_resources = usb_set_resources,
.phase5_enable_resources = pci_dev_enable_resources,
.phase6_init = usb_init,
.ops_pci = &lops_pci
};