Morgan Tsai | 1602dd5 | 2007-10-29 21:00:14 +0000 | [diff] [blame] | 1 | /* |
Stefan Reinauer | 7e61e45 | 2008-01-18 10:35:56 +0000 | [diff] [blame] | 2 | * This file is part of the coreboot project. |
Morgan Tsai | 1602dd5 | 2007-10-29 21:00:14 +0000 | [diff] [blame] | 3 | * |
| 4 | * Copyright (C) 2004 Tyan Computer |
| 5 | * Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer. |
| 6 | * Copyright (C) 2006,2007 AMD |
| 7 | * Written by Yinghai Lu <yinghai.lu@amd.com> for AMD. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
Morgan Tsai | 1602dd5 | 2007-10-29 21:00:14 +0000 | [diff] [blame] | 18 | */ |
| 19 | |
Uwe Hermann | dc3aa7a | 2010-09-25 23:47:15 +0000 | [diff] [blame] | 20 | /* TODO: Check whether this actually works (might be copy-paste leftover). */ |
| 21 | |
Kyösti Mälkki | 1fd7508 | 2013-06-11 16:32:01 +0300 | [diff] [blame] | 22 | // Use simple device model for this file even in ramstage |
| 23 | #define __SIMPLE_DEVICE__ |
| 24 | |
Uwe Hermann | dc3aa7a | 2010-09-25 23:47:15 +0000 | [diff] [blame] | 25 | #include <stdint.h> |
Patrick Georgi | 5692c57 | 2010-10-05 13:40:31 +0000 | [diff] [blame] | 26 | #include <arch/io.h> |
Kyösti Mälkki | e2227a2 | 2014-02-05 13:02:55 +0200 | [diff] [blame] | 27 | #include <device/pci_ehci.h> |
Uwe Hermann | dc3aa7a | 2010-09-25 23:47:15 +0000 | [diff] [blame] | 28 | #include <device/pci_def.h> |
Patrick Georgi | 5692c57 | 2010-10-05 13:40:31 +0000 | [diff] [blame] | 29 | #include "sis966.h" |
Uwe Hermann | dc3aa7a | 2010-09-25 23:47:15 +0000 | [diff] [blame] | 30 | |
Kyösti Mälkki | 8101aa6 | 2013-08-15 16:27:06 +0300 | [diff] [blame] | 31 | pci_devfn_t pci_ehci_dbg_dev(unsigned int hcd_idx) |
| 32 | { |
| 33 | return PCI_DEV(0, SIS966_DEVN_BASE + 2, 1); /* USB EHCI */ |
| 34 | } |
| 35 | |
| 36 | void pci_ehci_dbg_set_port(pci_devfn_t dev, unsigned int port) |
Morgan Tsai | 1602dd5 | 2007-10-29 21:00:14 +0000 | [diff] [blame] | 37 | { |
Uwe Hermann | dc3aa7a | 2010-09-25 23:47:15 +0000 | [diff] [blame] | 38 | u32 dword; |
Morgan Tsai | 1602dd5 | 2007-10-29 21:00:14 +0000 | [diff] [blame] | 39 | |
Uwe Hermann | dc3aa7a | 2010-09-25 23:47:15 +0000 | [diff] [blame] | 40 | /* Write the port number to 0x74[15:12]. */ |
| 41 | dword = pci_read_config32(dev, 0x74); |
| 42 | dword &= ~(0xf << 12); |
| 43 | dword |= (port << 12); |
| 44 | pci_write_config32(dev, 0x74, dword); |
Morgan Tsai | 1602dd5 | 2007-10-29 21:00:14 +0000 | [diff] [blame] | 45 | } |
| 46 | |
Kyösti Mälkki | 8101aa6 | 2013-08-15 16:27:06 +0300 | [diff] [blame] | 47 | void pci_ehci_dbg_enable(pci_devfn_t dev, unsigned long base) |
Morgan Tsai | 1602dd5 | 2007-10-29 21:00:14 +0000 | [diff] [blame] | 48 | { |
Uwe Hermann | dc3aa7a | 2010-09-25 23:47:15 +0000 | [diff] [blame] | 49 | /* Set the EHCI BAR address. */ |
Kyösti Mälkki | 8101aa6 | 2013-08-15 16:27:06 +0300 | [diff] [blame] | 50 | pci_write_config32(dev, EHCI_BAR_INDEX, base); |
Uwe Hermann | dc3aa7a | 2010-09-25 23:47:15 +0000 | [diff] [blame] | 51 | |
| 52 | /* Enable access to the EHCI memory space registers. */ |
| 53 | pci_write_config8(dev, PCI_COMMAND, PCI_COMMAND_MEMORY); |
| 54 | } |