* [PATCH v2] ARM: S5PC210/S5PC110: Define correct MAX trigger at UFCON
@ 2010-08-19 2:24 Kyungmin Park
0 siblings, 0 replies; only message in thread
From: Kyungmin Park @ 2010-08-19 2:24 UTC (permalink / raw)
To: linux-arm-kernel
From: Kyungmin Park <kyungmin.park@samsung.com>
S5PC110/S5PC210 have different Tx/Rx trigger level on each UARTs
But now use the wrong definitions so we can't set the exact trigger level.
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
diff --git a/arch/arm/plat-samsung/include/plat/regs-serial.h b/arch/arm/plat-samsung/include/plat/regs-serial.h
index 788837e..4d102a9 100644
--- a/arch/arm/plat-samsung/include/plat/regs-serial.h
+++ b/arch/arm/plat-samsung/include/plat/regs-serial.h
@@ -199,6 +199,10 @@
#define S5PV210_UCON_PCLK (0<<10)
#define S5PV210_UCON_UCLK (1<<10)
+/*
+ * S5PC110/S5PC210 UART TX/RX trigger level is different@each UARTs
+ * The below wrong values will be removed. Now some boards use it. so remain it.
+ */
#define S5PV210_UFCON_TXTRIG0 (0<<8)
#define S5PV210_UFCON_TXTRIG4 (1<<8)
#define S5PV210_UFCON_TXTRIG8 (2<<8)
@@ -217,6 +221,9 @@
#define S5PV210_UFCON_RXTRIG128 (6<<4)
#define S5PV210_UFCON_RXTRIG256 (7<<4)
+#define S5PV210_UFCON_TXTRIGMAX (7<<8)
+#define S5PV210_UFCON_RXTRIGMAX (7<<4)
+
#define S5PV210_UFSTAT_TXFULL (1<<24)
#define S5PV210_UFSTAT_RXFULL (1<<8)
#define S5PV210_UFSTAT_TXMASK (255<<16)
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2010-08-19 2:24 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2010-08-19 2:24 [PATCH v2] ARM: S5PC210/S5PC110: Define correct MAX trigger at UFCON Kyungmin Park
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).