MIPS: RBTX4927: More explicit initialization
* Make sure all interrupts cleared on startup
* Initialize some GPIOs
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/txx9/rbtx4927/setup.c b/arch/mips/txx9/rbtx4927/setup.c
index 0d39baf..5985f33 100644
--- a/arch/mips/txx9/rbtx4927/setup.c
+++ b/arch/mips/txx9/rbtx4927/setup.c
@@ -48,6 +48,7 @@
#include <linux/ioport.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
+#include <linux/gpio.h>
#include <asm/io.h>
#include <asm/reboot.h>
#include <asm/txx9/generic.h>
@@ -212,6 +213,14 @@
set_io_port_base(KSEG1 + RBTX4927_ISA_IO_OFFSET);
#endif
+ /* TX4927-SIO DTR on (PIO[15]) */
+ gpio_request(15, "sio-dtr");
+ gpio_direction_output(15, 1);
+ gpio_request(0, "led");
+ gpio_direction_output(0, 1);
+ gpio_request(1, "led");
+ gpio_direction_output(1, 1);
+
tx4927_sio_init(0, 0);
#ifdef CONFIG_SERIAL_TXX9_CONSOLE
argptr = prom_getcmdline();