Michael Xie | 7586cef | 2008-09-22 13:11:39 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2008 Advanced Micro Devices, Inc. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | */ |
| 19 | |
| 20 | #include <console/console.h> |
| 21 | #include <device/device.h> |
| 22 | #include <device/pci.h> |
| 23 | #include <device/pci_ids.h> |
| 24 | #include <device/pci_ops.h> |
Stefan Reinauer | da32373 | 2010-05-25 16:17:45 +0000 | [diff] [blame] | 25 | #include <usbdebug.h> |
Michael Xie | 7586cef | 2008-09-22 13:11:39 +0000 | [diff] [blame] | 26 | #include <arch/io.h> |
| 27 | #include "sb600.h" |
| 28 | |
| 29 | static struct pci_operations lops_pci = { |
| 30 | .set_subsystem = pci_dev_set_subsystem, |
| 31 | }; |
| 32 | |
| 33 | static void usb_init(struct device *dev) |
| 34 | { |
| 35 | u8 byte; |
| 36 | u16 word; |
| 37 | u32 dword; |
| 38 | |
| 39 | /* Enable OHCI0-4 and EHCI Controllers */ |
| 40 | device_t sm_dev; |
| 41 | sm_dev = dev_find_slot(0, PCI_DEVFN(0x14, 0)); |
| 42 | byte = pci_read_config8(sm_dev, 0x68); |
| 43 | byte |= 0x3F; |
| 44 | pci_write_config8(sm_dev, 0x68, byte); |
| 45 | |
| 46 | /* RPR 5.2 Enables the USB PME Event,Enable USB resume support */ |
| 47 | byte = pm_ioread(0x61); |
| 48 | byte |= 1 << 6; |
| 49 | pm_iowrite(0x61, byte); |
| 50 | byte = pm_ioread(0x65); |
| 51 | byte |= 1 << 2; |
| 52 | pm_iowrite(0x65, byte); |
| 53 | |
| 54 | /* RPR 5.3 Support USB device wakeup from the S4/S5 state */ |
| 55 | byte = pm_ioread(0x65); |
| 56 | byte &= ~(1 << 0); |
| 57 | pm_iowrite(0x65, byte); |
| 58 | |
| 59 | /* RPR 5.6 Enable the USB controller to get reset by any software that generate a PCIRst# condition */ |
| 60 | byte = pm_ioread(0x65); |
| 61 | byte |= (1 << 4); |
| 62 | pm_iowrite(0x65, byte); |
| 63 | |
| 64 | /* RPR 5.11 Disable OHCI MSI Capability */ |
| 65 | word = pci_read_config16(dev, 0x40); |
| 66 | word |= (0x1F << 8); |
| 67 | pci_write_config16(dev, 0x40, word); |
| 68 | |
| 69 | /* RPR 5.8 Disable the OHCI Dynamic Power Saving feature */ |
| 70 | dword = pci_read_config32(dev, 0x50); |
| 71 | dword &= ~(1 << 16); |
| 72 | pci_write_config32(dev, 0x50, dword); |
| 73 | |
| 74 | /* RPR 5.12 Enable prevention of OHCI accessing the invalid system memory address range */ |
| 75 | word = pci_read_config16(dev, 0x50); |
| 76 | word |= 1 << 15; |
| 77 | pci_write_config16(dev, 0x50, word); |
| 78 | |
| 79 | /* RPR 5.15 Disable SMI handshake in between USB and ACPI for USB legacy support. */ |
| 80 | /* The BIOS should always set this bit to prevent the malfunction on USB legacy keyboard/mouse support */ |
| 81 | word = pci_read_config16(dev, 0x50); |
| 82 | word |= 1 << 12; |
| 83 | pci_write_config16(dev, 0x50, word); |
| 84 | } |
| 85 | |
| 86 | static void usb_init2(struct device *dev) |
| 87 | { |
| 88 | u8 byte; |
| 89 | u16 word; |
| 90 | u32 dword; |
Stefan Reinauer | 78b4033 | 2010-03-17 22:09:26 +0000 | [diff] [blame] | 91 | u32 usb2_bar0; |
Michael Xie | 7586cef | 2008-09-22 13:11:39 +0000 | [diff] [blame] | 92 | /* dword = pci_read_config32(dev, 0xf8); */ |
| 93 | /* dword |= 40; */ |
| 94 | /* pci_write_config32(dev, 0xf8, dword); */ |
| 95 | |
Stefan Reinauer | 78b4033 | 2010-03-17 22:09:26 +0000 | [diff] [blame] | 96 | usb2_bar0 = pci_read_config32(dev, 0x10) & ~0xFF; |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 97 | printk(BIOS_INFO, "usb2_bar0=0x%x\n", usb2_bar0); |
Michael Xie | 7586cef | 2008-09-22 13:11:39 +0000 | [diff] [blame] | 98 | |
Zheng Bao | 2a5101a | 2010-10-10 15:18:53 +0000 | [diff] [blame] | 99 | /* RPR5.4 Enables the USB PHY auto calibration resister to match 45ohm resistance */ |
Michael Xie | 7586cef | 2008-09-22 13:11:39 +0000 | [diff] [blame] | 100 | dword = 0x00020F00; |
Stefan Reinauer | 9fe4d79 | 2010-01-16 17:53:38 +0000 | [diff] [blame] | 101 | write32(usb2_bar0 + 0xC0, dword); |
Michael Xie | 7586cef | 2008-09-22 13:11:39 +0000 | [diff] [blame] | 102 | |
| 103 | /* RPR5.5 Sets In/OUT FIFO threshold for best performance */ |
| 104 | dword = 0x00200040; |
Stefan Reinauer | 9fe4d79 | 2010-01-16 17:53:38 +0000 | [diff] [blame] | 105 | write32(usb2_bar0 + 0xA4, dword); |
Michael Xie | 7586cef | 2008-09-22 13:11:39 +0000 | [diff] [blame] | 106 | |
| 107 | /* RPR5.9 Disable the EHCI Dynamic Power Saving feature */ |
Stefan Reinauer | 9fe4d79 | 2010-01-16 17:53:38 +0000 | [diff] [blame] | 108 | word = read16(usb2_bar0 + 0xBC); |
Michael Xie | 7586cef | 2008-09-22 13:11:39 +0000 | [diff] [blame] | 109 | word &= ~(1 << 12); |
Stefan Reinauer | 9fe4d79 | 2010-01-16 17:53:38 +0000 | [diff] [blame] | 110 | write16(usb2_bar0 + 0xBC, word); |
Michael Xie | 7586cef | 2008-09-22 13:11:39 +0000 | [diff] [blame] | 111 | |
| 112 | /* RPR5.10 Disable EHCI MSI support */ |
| 113 | byte = pci_read_config8(dev, 0x50); |
| 114 | byte |= (1 << 6); |
| 115 | pci_write_config8(dev, 0x50, byte); |
| 116 | |
| 117 | /* RPR5.13 Disable C3 time enhancement feature */ |
| 118 | dword = pci_read_config32(dev, 0x50); |
| 119 | dword &= ~(1 << 28); |
| 120 | pci_write_config32(dev, 0x50, dword); |
| 121 | |
Patrick Georgi | 0f8590f | 2011-10-28 09:01:54 +0200 | [diff] [blame] | 122 | /* EHCI Erratum (adapted from Linux) */ |
| 123 | dword = pci_read_config32(dev, 0x53); |
| 124 | dword |= (1 << 3); |
| 125 | pci_write_config32(dev, 0x53, dword); |
| 126 | |
Michael Xie | 7586cef | 2008-09-22 13:11:39 +0000 | [diff] [blame] | 127 | /* RPR5.14 Disable USB PHY PLL Reset signal to come from ACPI */ |
| 128 | byte = pci_read_config8(dev, 0x54); |
| 129 | byte &= ~(1 << 0); |
| 130 | pci_write_config8(dev, 0x54, byte); |
| 131 | } |
| 132 | |
| 133 | static void usb_set_resources(struct device *dev) |
| 134 | { |
Stefan Reinauer | 7e00a44 | 2010-05-25 17:09:05 +0000 | [diff] [blame] | 135 | #if CONFIG_USBDEBUG |
Michael Xie | 7586cef | 2008-09-22 13:11:39 +0000 | [diff] [blame] | 136 | struct resource *res; |
| 137 | u32 base; |
| 138 | u32 old_debug; |
| 139 | |
| 140 | old_debug = get_ehci_debug(); |
| 141 | set_ehci_debug(0); |
| 142 | #endif |
| 143 | pci_dev_set_resources(dev); |
| 144 | |
Stefan Reinauer | 7e00a44 | 2010-05-25 17:09:05 +0000 | [diff] [blame] | 145 | #if CONFIG_USBDEBUG |
Michael Xie | 7586cef | 2008-09-22 13:11:39 +0000 | [diff] [blame] | 146 | res = find_resource(dev, 0x10); |
| 147 | set_ehci_debug(old_debug); |
| 148 | if (!res) |
| 149 | return; |
| 150 | base = res->base; |
| 151 | set_ehci_base(base); |
| 152 | report_resource_stored(dev, res, ""); |
| 153 | #endif |
| 154 | |
| 155 | } |
| 156 | |
| 157 | static struct device_operations usb_ops = { |
| 158 | .read_resources = pci_dev_read_resources, |
| 159 | .set_resources = usb_set_resources, /* pci_dev_set_resources, */ |
| 160 | .enable_resources = pci_dev_enable_resources, |
| 161 | .init = usb_init, |
| 162 | /*.enable = sb600_enable, */ |
| 163 | .scan_bus = 0, |
| 164 | .ops_pci = &lops_pci, |
| 165 | }; |
| 166 | |
Patrick Georgi | efff733 | 2012-07-26 19:48:23 +0200 | [diff] [blame^] | 167 | static const unsigned short usb_ids[] = { |
| 168 | PCI_DEVICE_ID_ATI_SB600_USB_0, |
| 169 | PCI_DEVICE_ID_ATI_SB600_USB_1, |
| 170 | PCI_DEVICE_ID_ATI_SB600_USB_2, |
| 171 | PCI_DEVICE_ID_ATI_SB600_USB_3, |
| 172 | PCI_DEVICE_ID_ATI_SB600_USB_4, |
| 173 | 0, |
| 174 | }; |
| 175 | |
Stefan Reinauer | 8e96ba2 | 2010-03-16 23:33:29 +0000 | [diff] [blame] | 176 | static const struct pci_driver usb_0_driver __pci_driver = { |
Michael Xie | 7586cef | 2008-09-22 13:11:39 +0000 | [diff] [blame] | 177 | .ops = &usb_ops, |
| 178 | .vendor = PCI_VENDOR_ID_ATI, |
Patrick Georgi | efff733 | 2012-07-26 19:48:23 +0200 | [diff] [blame^] | 179 | .devices= usb_ids, |
Michael Xie | 7586cef | 2008-09-22 13:11:39 +0000 | [diff] [blame] | 180 | }; |
| 181 | |
| 182 | static struct device_operations usb_ops2 = { |
| 183 | .read_resources = pci_dev_read_resources, |
| 184 | .set_resources = usb_set_resources, /* pci_dev_set_resources, */ |
| 185 | .enable_resources = pci_dev_enable_resources, |
| 186 | .init = usb_init2, |
| 187 | /*.enable = sb600_enable, */ |
| 188 | .scan_bus = 0, |
| 189 | .ops_pci = &lops_pci, |
| 190 | }; |
| 191 | |
Stefan Reinauer | 8e96ba2 | 2010-03-16 23:33:29 +0000 | [diff] [blame] | 192 | static const struct pci_driver usb_5_driver __pci_driver = { |
Michael Xie | 7586cef | 2008-09-22 13:11:39 +0000 | [diff] [blame] | 193 | .ops = &usb_ops2, |
| 194 | .vendor = PCI_VENDOR_ID_ATI, |
| 195 | .device = PCI_DEVICE_ID_ATI_SB600_USB2, |
| 196 | }; |
| 197 | |