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From: Aneesh Bansal <aneesh.bansal@freescale.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 1/5][v5] armv8: define usec2ticks function
Date: Tue, 8 Dec 2015 13:54:26 +0530	[thread overview]
Message-ID: <1449563070-5761-1-git-send-email-aneesh.bansal@freescale.com> (raw)

usec2ticks() function has been defined for ARMv8 which will
be used by SEC Driver.

Signed-off-by: Aneesh Bansal <aneesh.bansal@freescale.com>
---
Changes in v5:
- Commit Subject modified

Changes in v4: None

Changes in v3: None

Changes in v2: None (New Patch set created with an additional patch)

 arch/arm/cpu/armv8/generic_timer.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/cpu/armv8/generic_timer.c b/arch/arm/cpu/armv8/generic_timer.c
index 8e60bae..8f47a82 100644
--- a/arch/arm/cpu/armv8/generic_timer.c
+++ b/arch/arm/cpu/armv8/generic_timer.c
@@ -40,3 +40,14 @@ unsigned long timer_read_counter(void)
 #endif
 	return cntpct;
 }
+
+unsigned long usec2ticks(unsigned long usec)
+{
+	ulong ticks;
+	if (usec < 1000)
+		ticks = ((usec * (get_tbclk()/1000)) + 500) / 1000;
+	else
+		ticks = ((usec / 10) * (get_tbclk() / 100000));
+
+	return ticks;
+}
-- 
1.8.1.4

             reply	other threads:[~2015-12-08  8:24 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-08  8:24 Aneesh Bansal [this message]
2015-12-08  8:24 ` [U-Boot] [PATCH 2/5][v5] armv8: Make SEC read/write as snoopable for LS1043 Aneesh Bansal
2015-12-15  1:07   ` York Sun
2015-12-08  8:24 ` [U-Boot] [PATCH 3/5][v5] include/linux: move typdef for uintptr_t Aneesh Bansal
2015-12-08 16:45   ` York Sun
2015-12-14  2:08     ` York Sun
2015-12-14  2:10     ` York Sun
2015-12-15  1:07   ` York Sun
2015-12-16  3:48   ` York Sun
2015-12-08  8:24 ` [U-Boot] [PATCH 4/5][v5] armv8/ls1043ardb: add SECURE BOOT target for NOR Aneesh Bansal
2015-12-15  1:10   ` York Sun
2015-12-08  8:24 ` [U-Boot] [PATCH 5/5][v5] drivers/crypto/fsl: fix endianness issue in RNG Aneesh Bansal
2015-12-15  1:12   ` York Sun
2015-12-15  1:06 ` [U-Boot] [PATCH 1/5][v5] armv8: define usec2ticks function York Sun

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