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authorHakim Giydan <hgiydan@marvell.com>2016-09-21 15:50:39 -0700
committerMartin Roth <martinroth@google.com>2016-10-09 21:31:46 +0200
commit11302f38cdeab3ab57e8a7cac66b321b4a4826bb (patch)
treeae07f2eaecf5e211c7f5cdd4c85d61b4c988dc5a /payloads/libpayload/drivers
parent1a77fd3e369d9330b9abf04ac6b0d804a11e1e3e (diff)
downloadcoreboot-11302f38cdeab3ab57e8a7cac66b321b4a4826bb.tar.xz
libpayload: mvmap2315: Introduce timer driver
Testing: 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>
Diffstat (limited to 'payloads/libpayload/drivers')
-rw-r--r--payloads/libpayload/drivers/Makefile.inc1
-rw-r--r--payloads/libpayload/drivers/timer/Kconfig13
-rw-r--r--payloads/libpayload/drivers/timer/mvmap2315.c44
3 files changed, 58 insertions, 0 deletions
diff --git a/payloads/libpayload/drivers/Makefile.inc b/payloads/libpayload/drivers/Makefile.inc
index 75f08f233c..899c5d238e 100644
--- a/payloads/libpayload/drivers/Makefile.inc
+++ b/payloads/libpayload/drivers/Makefile.inc
@@ -57,6 +57,7 @@ libc-$(CONFIG_LP_TIMER_BG4CD) += timer/bg4cd.c
libc-$(CONFIG_LP_TIMER_IMG_PISTACHIO) += timer/img_pistachio.c
libc-$(CONFIG_LP_TIMER_CYGNUS) += timer/cygnus.c
libc-$(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
diff --git a/payloads/libpayload/drivers/timer/Kconfig b/payloads/libpayload/drivers/timer/Kconfig
index 0b981b0de2..b3ab6ecb70 100644
--- a/payloads/libpayload/drivers/timer/Kconfig
+++ b/payloads/libpayload/drivers/timer/Kconfig
@@ -61,6 +61,9 @@ config TIMER_IMG_PISTACHIO
config TIMER_MTK
bool "Timer for MediaTek MT8173"
+config TIMER_MVMAP2315
+ bool "Timer for Marvell MVMAP2315"
+
endchoice
config TIMER_MCT_HZ
@@ -108,6 +111,16 @@ 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 IPROC_PERIPH_GLB_TIM_REG_BASE
hex "Cygnus timer base address"
depends on TIMER_CYGNUS
diff --git a/payloads/libpayload/drivers/timer/mvmap2315.c b/payloads/libpayload/drivers/timer/mvmap2315.c
new file mode 100644
index 0000000000..5b1f81376a
--- /dev/null
+++ b/payloads/libpayload/drivers/timer/mvmap2315.c
@@ -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);
+}