diff mbox

[U-Boot,v2,02/13] ns16550: change map_sysmem to map_physmem

Message ID 1447854299-23680-3-git-send-email-thomas@wytron.com.tw
State Superseded
Delegated to: Tom Rini
Headers show

Commit Message

Thomas Chou Nov. 18, 2015, 1:44 p.m. UTC 
Change map_sysmem() to map_physmem(), because sandbox is the only
arch which define map_sysmem() and it actually only calls
map_physmem(). For some arch like nios2, the flag should be
MAP_NOCACHE for port access.

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
---
 drivers/serial/ns16550.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
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Patch

diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c
index 6433844..8d028de 100644
--- a/drivers/serial/ns16550.c
+++ b/drivers/serial/ns16550.c
@@ -8,7 +8,6 @@ 
 #include <dm.h>
 #include <errno.h>
 #include <fdtdec.h>
-#include <mapmem.h>
 #include <ns16550.h>
 #include <serial.h>
 #include <watchdog.h>
@@ -97,7 +96,7 @@  static void ns16550_writeb(NS16550_t port, int offset, int value)
 	unsigned char *addr;
 
 	offset *= 1 << plat->reg_shift;
-	addr = map_sysmem(plat->base, 0) + offset;
+	addr = map_physmem(plat->base, 0, MAP_NOCACHE) + offset;
 	/*
 	 * As far as we know it doesn't make sense to support selection of
 	 * these options at run-time, so use the existing CONFIG options.
@@ -111,7 +110,7 @@  static int ns16550_readb(NS16550_t port, int offset)
 	unsigned char *addr;
 
 	offset *= 1 << plat->reg_shift;
-	addr = map_sysmem(plat->base, 0) + offset;
+	addr = map_physmem(plat->base, 0, MAP_NOCACHE) + offset;
 
 	return serial_in_shift(addr, plat->reg_shift);
 }