| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2014 Vladimir Serbinenko |
| * |
| * 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. |
| */ |
| |
| #include <arch/io.h> |
| #include <device/pci_ids.h> |
| #include <device/pci_def.h> |
| #include <northbridge/intel/sandybridge/sandybridge.h> /* For DEFAULT_RCBABASE. */ |
| #include "pch.h" |
| |
| void |
| early_usb_init (const struct southbridge_usb_port *portmap) |
| { |
| u32 reg32; |
| const u32 rcba_dump[8] = { |
| /* 3560 */ 0x024c8001, 0x000024a3, 0x00040002, 0x01000050, |
| /* 3570 */ 0x02000772, 0x16000f9f, 0x1800ff4f, 0x0001d630, |
| }; |
| const u32 currents[] = { 0x20000153, 0x20000f57, 0x2000055b, 0x20000f51, |
| 0x2000094a, 0x2000035f, 0x20000f53, 0x20000357, |
| 0x20000353 }; |
| int i; |
| /* Activate PMBAR. */ |
| pci_write_config32(PCI_DEV(0, 0x1f, 0), PMBASE, DEFAULT_PMBASE | 1); |
| pci_write_config32(PCI_DEV(0, 0x1f, 0), PMBASE + 4, 0); |
| pci_write_config8(PCI_DEV(0, 0x1f, 0), 0x44 /* ACPI_CNTL */ , 0x80); /* Enable ACPI BAR */ |
| |
| /* Unlock registers. */ |
| outw(inw(DEFAULT_PMBASE | UPRWC) | UPRWC_WR_EN, |
| DEFAULT_PMBASE | UPRWC); |
| |
| for (i = 0; i < 14; i++) |
| write32 (DEFAULT_RCBABASE + (0x3500 + 4 * i), |
| currents[portmap[i].current]); |
| for (i = 0; i < 10; i++) |
| write32 (DEFAULT_RCBABASE + (0x3538 + 4 * i), 0); |
| |
| for (i = 0; i < 8; i++) |
| write32 (DEFAULT_RCBABASE + (0x3560 + 4 * i), rcba_dump[i]); |
| for (i = 0; i < 8; i++) |
| write32 (DEFAULT_RCBABASE + (0x3580 + 4 * i), 0); |
| reg32 = 0; |
| for (i = 0; i < 14; i++) |
| if (!portmap[i].enabled) |
| reg32 |= (1 << i); |
| write32 (DEFAULT_RCBABASE + USBPDO, reg32); |
| reg32 = 0; |
| for (i = 0; i < 8; i++) |
| if (portmap[i].enabled && portmap[i].oc_pin >= 0) |
| reg32 |= (1 << (i + 8 * portmap[i].oc_pin)); |
| write32 (DEFAULT_RCBABASE + USBOCM1, reg32); |
| reg32 = 0; |
| for (i = 8; i < 14; i++) |
| if (portmap[i].enabled && portmap[i].oc_pin >= 4) |
| reg32 |= (1 << (i - 8 + 8 * (portmap[i].oc_pin - 4))); |
| write32 (DEFAULT_RCBABASE + USBOCM2, reg32); |
| for (i = 0; i < 22; i++) |
| write32 (DEFAULT_RCBABASE + (0x35a8 + 4 * i), 0); |
| |
| pci_write_config32 (PCI_DEV (0, 0x14, 0), 0xe4, 0x00000000); |
| |
| /* Relock registers. */ |
| outw(0, DEFAULT_PMBASE | UPRWC); |
| } |