diff options
Diffstat (limited to 'src/southbridge/amd/sb600/usb.c')
| -rw-r--r-- | src/southbridge/amd/sb600/usb.c | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/src/southbridge/amd/sb600/usb.c b/src/southbridge/amd/sb600/usb.c deleted file mode 100644 index d8ef2c2b07..0000000000 --- a/src/southbridge/amd/sb600/usb.c +++ /dev/null @@ -1,205 +0,0 @@ -/* - * 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 <console/console.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <device/pci_ops.h> -#include <usbdebug_direct.h> -#include <arch/io.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, 0x10) & ~0xFF); - printk_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_dev_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, - .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 -}; |