161 lines
4.1 KiB
C
161 lines
4.1 KiB
C
/*
|
|
* the EHCI Virtual Support Module of AMD CS5536
|
|
*
|
|
* Copyright (C) 2007 Lemote, Inc.
|
|
* Author : jlliu, liujl@lemote.com
|
|
*
|
|
* Copyright (C) 2009 Lemote, Inc.
|
|
* Author: Wu Zhangjin, wuzhangjin@gmail.com
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <cs5536/cs5536.h>
|
|
#include <cs5536/cs5536_pci.h>
|
|
|
|
void pci_ehci_write_reg(int reg, u32 value)
|
|
{
|
|
u32 hi = 0, lo = value;
|
|
|
|
switch (reg) {
|
|
case PCI_COMMAND:
|
|
_rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo);
|
|
if (value & PCI_COMMAND_MASTER)
|
|
hi |= PCI_COMMAND_MASTER;
|
|
else
|
|
hi &= ~PCI_COMMAND_MASTER;
|
|
|
|
if (value & PCI_COMMAND_MEMORY)
|
|
hi |= PCI_COMMAND_MEMORY;
|
|
else
|
|
hi &= ~PCI_COMMAND_MEMORY;
|
|
_wrmsr(USB_MSR_REG(USB_EHCI), hi, lo);
|
|
break;
|
|
case PCI_STATUS:
|
|
if (value & PCI_STATUS_PARITY) {
|
|
_rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo);
|
|
if (lo & SB_PARE_ERR_FLAG) {
|
|
lo = (lo & 0x0000ffff) | SB_PARE_ERR_FLAG;
|
|
_wrmsr(SB_MSR_REG(SB_ERROR), hi, lo);
|
|
}
|
|
}
|
|
break;
|
|
case PCI_BAR0_REG:
|
|
if (value == PCI_BAR_RANGE_MASK) {
|
|
_rdmsr(GLCP_MSR_REG(GLCP_SOFT_COM), &hi, &lo);
|
|
lo |= SOFT_BAR_EHCI_FLAG;
|
|
_wrmsr(GLCP_MSR_REG(GLCP_SOFT_COM), hi, lo);
|
|
} else if ((value & 0x01) == 0x00) {
|
|
_rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo);
|
|
lo = value;
|
|
_wrmsr(USB_MSR_REG(USB_EHCI), hi, lo);
|
|
|
|
value &= 0xfffffff0;
|
|
hi = 0x40000000 | ((value & 0xff000000) >> 24);
|
|
lo = 0x000fffff | ((value & 0x00fff000) << 8);
|
|
_wrmsr(GLIU_MSR_REG(GLIU_P2D_BM4), hi, lo);
|
|
}
|
|
break;
|
|
case PCI_EHCI_LEGSMIEN_REG:
|
|
_rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo);
|
|
hi &= 0x003f0000;
|
|
hi |= (value & 0x3f) << 16;
|
|
_wrmsr(USB_MSR_REG(USB_EHCI), hi, lo);
|
|
break;
|
|
case PCI_EHCI_FLADJ_REG:
|
|
_rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo);
|
|
hi &= ~0x00003f00;
|
|
hi |= value & 0x00003f00;
|
|
_wrmsr(USB_MSR_REG(USB_EHCI), hi, lo);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
u32 pci_ehci_read_reg(int reg)
|
|
{
|
|
u32 conf_data = 0;
|
|
u32 hi, lo;
|
|
|
|
switch (reg) {
|
|
case PCI_VENDOR_ID:
|
|
conf_data =
|
|
CFG_PCI_VENDOR_ID(CS5536_EHCI_DEVICE_ID, CS5536_VENDOR_ID);
|
|
break;
|
|
case PCI_COMMAND:
|
|
_rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo);
|
|
if (hi & PCI_COMMAND_MASTER)
|
|
conf_data |= PCI_COMMAND_MASTER;
|
|
if (hi & PCI_COMMAND_MEMORY)
|
|
conf_data |= PCI_COMMAND_MEMORY;
|
|
break;
|
|
case PCI_STATUS:
|
|
conf_data |= PCI_STATUS_66MHZ;
|
|
conf_data |= PCI_STATUS_FAST_BACK;
|
|
_rdmsr(SB_MSR_REG(SB_ERROR), &hi, &lo);
|
|
if (lo & SB_PARE_ERR_FLAG)
|
|
conf_data |= PCI_STATUS_PARITY;
|
|
conf_data |= PCI_STATUS_DEVSEL_MEDIUM;
|
|
break;
|
|
case PCI_CLASS_REVISION:
|
|
_rdmsr(USB_MSR_REG(USB_CAP), &hi, &lo);
|
|
conf_data = lo & 0x000000ff;
|
|
conf_data |= (CS5536_EHCI_CLASS_CODE << 8);
|
|
break;
|
|
case PCI_CACHE_LINE_SIZE:
|
|
conf_data =
|
|
CFG_PCI_CACHE_LINE_SIZE(PCI_NORMAL_HEADER_TYPE,
|
|
PCI_NORMAL_LATENCY_TIMER);
|
|
break;
|
|
case PCI_BAR0_REG:
|
|
_rdmsr(GLCP_MSR_REG(GLCP_SOFT_COM), &hi, &lo);
|
|
if (lo & SOFT_BAR_EHCI_FLAG) {
|
|
conf_data = CS5536_EHCI_RANGE |
|
|
PCI_BASE_ADDRESS_SPACE_MEMORY;
|
|
lo &= ~SOFT_BAR_EHCI_FLAG;
|
|
_wrmsr(GLCP_MSR_REG(GLCP_SOFT_COM), hi, lo);
|
|
} else {
|
|
_rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo);
|
|
conf_data = lo & 0xfffff000;
|
|
}
|
|
break;
|
|
case PCI_CARDBUS_CIS:
|
|
conf_data = PCI_CARDBUS_CIS_POINTER;
|
|
break;
|
|
case PCI_SUBSYSTEM_VENDOR_ID:
|
|
conf_data =
|
|
CFG_PCI_VENDOR_ID(CS5536_EHCI_SUB_ID, CS5536_SUB_VENDOR_ID);
|
|
break;
|
|
case PCI_ROM_ADDRESS:
|
|
conf_data = PCI_EXPANSION_ROM_BAR;
|
|
break;
|
|
case PCI_CAPABILITY_LIST:
|
|
conf_data = PCI_CAPLIST_USB_POINTER;
|
|
break;
|
|
case PCI_INTERRUPT_LINE:
|
|
conf_data =
|
|
CFG_PCI_INTERRUPT_LINE(PCI_DEFAULT_PIN, CS5536_USB_INTR);
|
|
break;
|
|
case PCI_EHCI_LEGSMIEN_REG:
|
|
_rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo);
|
|
conf_data = (hi & 0x003f0000) >> 16;
|
|
break;
|
|
case PCI_EHCI_LEGSMISTS_REG:
|
|
_rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo);
|
|
conf_data = (hi & 0x3f000000) >> 24;
|
|
break;
|
|
case PCI_EHCI_FLADJ_REG:
|
|
_rdmsr(USB_MSR_REG(USB_EHCI), &hi, &lo);
|
|
conf_data = hi & 0x00003f00;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return conf_data;
|
|
}
|