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

Thomas Chou
2015-11-18T13:44:48Z

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(-)

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);
}
--
2.5.0