065857ee7f
Change-Id: I91158452680586ac676ea11c8589062880a31f91 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/31692 Reviewed-by: Patrick Georgi <pgeorgi@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
/*
|
|
* 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 <device/pci_def.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++;
|
|
}
|
|
}
|