| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2013 Google 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. |
| */ |
| |
| |
| #include <console/console.h> |
| #include <device/pci_def.h> |
| #include <arch/io.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include "pch.h" |
| |
| void pch_config_rcba(const struct rcba_config_instruction *rcba_config) |
| { |
| const struct rcba_config_instruction *rc; |
| u32 value; |
| |
| rc = rcba_config; |
| while (rc->command != RCBA_COMMAND_END) |
| { |
| if ((rc->command & RCBA_REG_SIZE_MASK) == RCBA_REG_SIZE_16) { |
| switch (rc->command & RCBA_COMMAND_MASK) { |
| case RCBA_COMMAND_SET: |
| RCBA16(rc->reg) = (u16)rc->or_value; |
| break; |
| case RCBA_COMMAND_READ: |
| (void)RCBA16(rc->reg); |
| break; |
| case RCBA_COMMAND_RMW: |
| value = RCBA16(rc->reg); |
| value &= rc->mask; |
| value |= rc->or_value; |
| RCBA16(rc->reg) = (u16)value; |
| break; |
| } |
| } else { |
| switch (rc->command & RCBA_COMMAND_MASK) { |
| case RCBA_COMMAND_SET: |
| RCBA32(rc->reg) = rc->or_value; |
| break; |
| case RCBA_COMMAND_READ: |
| (void)RCBA32(rc->reg); |
| break; |
| case RCBA_COMMAND_RMW: |
| value = RCBA32(rc->reg); |
| value &= rc->mask; |
| value |= rc->or_value; |
| RCBA32(rc->reg) = value; |
| break; |
| } |
| } |
| rc++; |
| } |
| } |