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-rw-r--r--arch/powerpc/cpu/mpc8220/uart.c67
1 files changed, 61 insertions, 6 deletions
diff --git a/arch/powerpc/cpu/mpc8220/uart.c b/arch/powerpc/cpu/mpc8220/uart.c
index 0c4b536..545c81a 100644
--- a/arch/powerpc/cpu/mpc8220/uart.c
+++ b/arch/powerpc/cpu/mpc8220/uart.c
@@ -29,13 +29,15 @@
#include <common.h>
#include <mpc8220.h>
+#include <serial.h>
+#include <linux/compiler.h>
DECLARE_GLOBAL_DATA_PTR;
#define PSC_BASE MMAP_PSC1
#if defined(CONFIG_PSC_CONSOLE)
-int serial_init (void)
+static int mpc8220_serial_init(void)
{
volatile psc8220_t *psc = (psc8220_t *) PSC_BASE;
u32 counter;
@@ -69,7 +71,7 @@ int serial_init (void)
return (0);
}
-void serial_putc (const char c)
+static void mpc8220_serial_putc(const char c)
{
volatile psc8220_t *psc = (psc8220_t *) PSC_BASE;
@@ -82,14 +84,14 @@ void serial_putc (const char c)
psc->xmitbuf[0] = c;
}
-void serial_puts (const char *s)
+static void mpc8220_serial_puts(const char *s)
{
while (*s) {
serial_putc (*s++);
}
}
-int serial_getc (void)
+static int mpc8220_serial_getc(void)
{
volatile psc8220_t *psc = (psc8220_t *) PSC_BASE;
@@ -98,14 +100,14 @@ int serial_getc (void)
return psc->xmitbuf[2];
}
-int serial_tstc (void)
+static int mpc8220_serial_tstc(void)
{
volatile psc8220_t *psc = (psc8220_t *) PSC_BASE;
return (psc->sr_csr & PSC_SR_RXRDY);
}
-void serial_setbrg (void)
+static void mpc8220_serial_setbrg(void)
{
volatile psc8220_t *psc = (psc8220_t *) PSC_BASE;
u32 counter;
@@ -123,4 +125,57 @@ void serial_setbrg (void)
psc->cr = PSC_CR_RX_ENABLE | PSC_CR_TX_ENABLE;
}
+
+#ifdef CONFIG_SERIAL_MULTI
+static struct serial_device mpc8220_serial_drv = {
+ .name = "mpc8220_serial",
+ .start = mpc8220_serial_init,
+ .stop = NULL,
+ .setbrg = mpc8220_serial_setbrg,
+ .putc = mpc8220_serial_putc,
+ .puts = mpc8220_serial_puts,
+ .getc = mpc8220_serial_getc,
+ .tstc = mpc8220_serial_tstc,
+};
+
+void mpc8220_serial_initialize(void)
+{
+ serial_register(&mpc8220_serial_drv);
+}
+
+__weak struct serial_device *default_serial_console(void)
+{
+ return &mpc8220_serial_drv;
+}
+#else
+int serial_init(void)
+{
+ return mpc8220_serial_init();
+}
+
+void serial_setbrg(void)
+{
+ mpc8220_serial_setbrg();
+}
+
+void serial_putc(const char c)
+{
+ mpc8220_serial_putc(c);
+}
+
+void serial_puts(const char *s)
+{
+ mpc8220_serial_puts(s);
+}
+
+int serial_getc(void)
+{
+ return mpc8220_serial_getc();
+}
+
+int serial_tstc(void)
+{
+ return mpc8220_serial_tstc();
+}
+#endif
#endif /* CONFIG_PSC_CONSOLE */