Merge branch 'u-boot-imx/master' into 'u-boot-arm/master'

[karo-tx-uboot.git] / arch / sparc / cpu / leon3 / serial.c

diff --git a/arch/sparc/cpu/leon3/serial.c b/arch/sparc/cpu/leon3/serial.c
index 4b2fcb8667c4b5cd3b19314a318e225f3aad1551..af9ce55673820b0df3621d1ac3a08421726f9a44 100644 (file)
--- a/arch/sparc/cpu/leon3/serial.c
+++ b/arch/sparc/cpu/leon3/serial.c
@@ -27,22 +27,14 @@
 #include <asm/processor.h>
 #include <asm/leon.h>
 #include <ambapp.h>
+#include <serial.h>
+#include <linux/compiler.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-/* Force cache miss each time a serial controller reg is read */
-#define CACHE_BYPASS 1
-
-#ifdef CACHE_BYPASS
-#define READ_BYTE(var)  SPARC_NOCACHE_READ_BYTE((unsigned int)&(var))
-#define READ_HWORD(var) SPARC_NOCACHE_READ_HWORD((unsigned int)&(var))
-#define READ_WORD(var)  SPARC_NOCACHE_READ((unsigned int)&(var))
-#define READ_DWORD(var) SPARC_NOCACHE_READ_DWORD((unsigned int)&(var))
-#endif
-
 ambapp_dev_apbuart *leon3_apbuart = NULL;
 
-int serial_init(void)
+static int leon3_serial_init(void)
 {
        ambapp_apbdev apbdev;
        unsigned int tmp;
@@ -72,15 +64,7 @@ int serial_init(void)
        return -1;              /* didn't find hardware */
 }
 
-void serial_putc(const char c)
-{
-       if (c == '\n')
-               serial_putc_raw('\r');
-
-       serial_putc_raw(c);
-}
-
-void serial_putc_raw(const char c)
+static void leon3_serial_putc_raw(const char c)
 {
        if (!leon3_apbuart)
                return;
@@ -97,14 +81,15 @@ void serial_putc_raw(const char c)
 #endif
 }
 
-void serial_puts(const char *s)
+static void leon3_serial_putc(const char c)
 {
-       while (*s) {
-               serial_putc(*s++);
-       }
+       if (c == '\n')
+               leon3_serial_putc_raw('\r');
+
+       leon3_serial_putc_raw(c);
 }
 
-int serial_getc(void)
+static int leon3_serial_getc(void)
 {
        if (!leon3_apbuart)
                return 0;
@@ -116,7 +101,7 @@ int serial_getc(void)
        return READ_WORD(leon3_apbuart->data);
 }
 
-int serial_tstc(void)
+static int leon3_serial_tstc(void)
 {
        if (leon3_apbuart)
                return (READ_WORD(leon3_apbuart->status) &
@@ -125,7 +110,7 @@ int serial_tstc(void)
 }
 
 /* set baud rate for uart */
-void serial_setbrg(void)
+static void leon3_serial_setbrg(void)
 {
        /* update baud rate settings, read it from gd->baudrate */
        unsigned int scaler;
@@ -137,3 +122,24 @@ void serial_setbrg(void)
        }
        return;
 }
+
+static struct serial_device leon3_serial_drv = {
+       .name   = "leon3_serial",
+       .start  = leon3_serial_init,
+       .stop   = NULL,
+       .setbrg = leon3_serial_setbrg,
+       .putc   = leon3_serial_putc,
+       .puts   = default_serial_puts,
+       .getc   = leon3_serial_getc,
+       .tstc   = leon3_serial_tstc,
+};
+
+void leon3_serial_initialize(void)
+{
+       serial_register(&leon3_serial_drv);
+}
+
+__weak struct serial_device *default_serial_console(void)
+{
+       return &leon3_serial_drv;
+}