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UPSTREAM: libpayload: mvmap2315: Introduce timer driver

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BUG=None
BRANCH=None
TEST=booted successfully.

Change-Id: I4a50c9fb7aec929ea29a3cf2eec3e424e3629c92
Signed-off-by: Hakim Giydan <hgiydan@marvell.com>
Reviewed-on: https://review.coreboot.org/16692
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-on: https://chromium-review.googlesource.com/396240
Commit-Ready: Furquan Shaikh <furquan@chromium.org>
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Hakim Giydan 2016-09-21 15:50:39 -07:00 • committed by chrome-bot
parent d877bcc378
commit 9a98407337
3 changed files with 58 additions and 0 deletions
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1
payloads/libpayload/drivers/Makefile.inc
View file

@ -52,6 +52,7 @@ endif
libc-$(CONFIG_LP_TIMER_RDTSC) += timer/rdtsc.c
libc-$(CONFIG_LP_TIMER_IMG_PISTACHIO) += timer/img_pistachio.c
libc-$(CONFIG_LP_TIMER_ARMADA38X) += timer/armada38x.c
libc-$(CONFIG_LP_TIMER_MVMAP2315) += timer/mvmap2315.c
# Video console drivers
libc-$(CONFIG_LP_VIDEO_CONSOLE) += video/video.c

13
payloads/libpayload/drivers/timer/Kconfig
View file

@ -62,6 +62,9 @@ config TIMER_IMG_PISTACHIO
config TIMER_MTK
bool "Timer for MediaTek MT8173"
config TIMER_MVMAP2315
bool "Timer for Marvell MVMAP2315"
endchoice
config ARMADA38X_TIMER_FREQ
@ -74,6 +77,16 @@ config ARMADA38X_TIMER_REG
default 0xF1020314
depends on TIMER_ARMADA38X
config MVMAP2315_TIMER_FREQ
int "Hardware timer frequency"
depends on TIMER_MVMAP2315
default 1000000
config MVMAP2315_TIMER_REG
hex "Timer register address"
depends on TIMER_MVMAP2315
default 0xE1020004
config TIMER_GENERIC_HZ
int "Generic Timer Frequency"
default 500000000 if TIMER_CYGNUS

44
payloads/libpayload/drivers/timer/mvmap2315.c Normal file
View file

@ -0,0 +1,44 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2016 Marvell Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <assert.h>
#include <libpayload.h>
static u32 *reg = (void *)CONFIG_LP_MVMAP2315_TIMER_REG;
uint64_t timer_hz(void)
{
return CONFIG_LP_MVMAP2315_TIMER_FREQ;
}
uint64_t timer_raw_value(void)
{
/* invert count to change from down to up count */
return ~readl(reg);
}