b890a1228d
As per discussion with lawyers[tm], it's not a good idea to
shorten the license header too much - not for legal reasons
but because there are tools that look for them, and giving
them a standard pattern simplifies things.
However, we got confirmation that we don't have to update
every file ever added to coreboot whenever the FSF gets a
new lease, but can drop the address instead.
util/kconfig is excluded because that's imported code that
we may want to synchronize every now and then.
$ find * -type f -exec sed -i "s:Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, *MA[, ]*02110-1301[, ]*USA:Foundation, Inc.:" {} +
$ find * -type f -exec sed -i "s:Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA:Foundation, Inc.:" {} +
$ find * -type f -exec sed -i "s:Foundation, Inc., 59 Temple Place[-, ]*Suite 330, Boston, MA *02111-1307[, ]*USA:Foundation, Inc.:" {} +
$ find * -type f -exec sed -i "s:Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.:Foundation, Inc.:" {} +
$ find * -type f
-a \! -name \*.patch \
-a \! -name \*_shipped \
-a \! -name LICENSE_GPL \
-a \! -name LGPL.txt \
-a \! -name COPYING \
-a \! -name DISCLAIMER \
-exec sed -i "/Foundation, Inc./ N;s:Foundation, Inc.* USA\.* *:Foundation, Inc. :;s:Foundation, Inc. $:Foundation, Inc.:" {} +
Change-Id: Icc968a5a5f3a5df8d32b940f9cdb35350654bef9
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/9233
Tested-by: build bot (Jenkins)
Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
152 lines
3.1 KiB
C
152 lines
3.1 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2014 Google Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc.
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*/
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#include <console/console.h>
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#include <delay.h>
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#include <arch/io.h>
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#include <soc/iobp.h>
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#include <soc/rcba.h>
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#define IOBP_RETRY 1000
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static inline int iobp_poll(void)
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{
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unsigned try;
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for (try = IOBP_RETRY; try > 0; try--) {
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u16 status = RCBA16(IOBPS);
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if ((status & IOBPS_READY) == 0)
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return 1;
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udelay(10);
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}
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printk(BIOS_ERR, "IOBP: timeout waiting for transaction to complete\n");
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return 0;
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}
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u32 pch_iobp_read(u32 address)
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{
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u16 status;
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if (!iobp_poll())
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return 0;
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/* Set the address */
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RCBA32(IOBPIRI) = address;
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/* READ OPCODE */
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status = RCBA16(IOBPS);
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status &= ~IOBPS_MASK;
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status |= IOBPS_READ;
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RCBA16(IOBPS) = status;
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/* Undocumented magic */
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RCBA16(IOBPU) = IOBPU_MAGIC;
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/* Set ready bit */
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status = RCBA16(IOBPS);
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status |= IOBPS_READY;
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RCBA16(IOBPS) = status;
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if (!iobp_poll())
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return 0;
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/* Check for successful transaction */
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status = RCBA16(IOBPS);
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if (status & IOBPS_TX_MASK) {
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printk(BIOS_ERR, "IOBP: read 0x%08x failed\n", address);
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return 0;
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}
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/* Read IOBP data */
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return RCBA32(IOBPD);
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}
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void pch_iobp_write(u32 address, u32 data)
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{
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u16 status;
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if (!iobp_poll())
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return;
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/* Set the address */
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RCBA32(IOBPIRI) = address;
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/* WRITE OPCODE */
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status = RCBA16(IOBPS);
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status &= ~IOBPS_MASK;
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status |= IOBPS_WRITE;
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RCBA16(IOBPS) = status;
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RCBA32(IOBPD) = data;
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/* Undocumented magic */
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RCBA16(IOBPU) = IOBPU_MAGIC;
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/* Set ready bit */
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status = RCBA16(IOBPS);
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status |= IOBPS_READY;
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RCBA16(IOBPS) = status;
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if (!iobp_poll())
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return;
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/* Check for successful transaction */
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status = RCBA16(IOBPS);
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if (status & IOBPS_TX_MASK)
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printk(BIOS_ERR, "IOBP: write 0x%08x failed\n", address);
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}
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void pch_iobp_update(u32 address, u32 andvalue, u32 orvalue)
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{
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u32 data = pch_iobp_read(address);
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/* Update the data */
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data &= andvalue;
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data |= orvalue;
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pch_iobp_write(address, data);
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}
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void pch_iobp_exec(u32 addr, u16 op_code, u8 route_id, u32 *data, u8 *resp)
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{
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if (!data || !resp)
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return;
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*resp = -1;
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if (!iobp_poll())
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return;
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/* RCBA2330[31:0] = Address */
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RCBA32(IOBPIRI) = addr;
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/* RCBA2338[15:8] = opcode */
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RCBA16(IOBPS) = (RCBA16(IOBPS) & 0x00ff) | op_code;
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/* RCBA233A[15:8] = 0xf0 RCBA233A[7:0] = Route ID */
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RCBA16(IOBPU) = IOBPU_MAGIC | route_id;
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RCBA32(IOBPD) = *data;
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/* Set RCBA2338[0] to trigger IOBP transaction*/
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RCBA16(IOBPS) = RCBA16(IOBPS) | 0x1;
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if (!iobp_poll())
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return;
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*resp = (RCBA16(IOBPS) & IOBPS_TX_MASK) >> 1;
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*data = RCBA32(IOBPD);
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}
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