Commit f96a3383 authored by Atsushi Nemoto's avatar Atsushi Nemoto Committed by Ralf Baechle
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MIPS: RBTX4927: More explicit initialization



* Make sure all interrupts cleared on startup
* Initialize some GPIOs
Signed-off-by: default avatarAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 9fa32c6b
......@@ -142,6 +142,11 @@ static void __init toshiba_rbtx4927_irq_ioc_init(void)
{
int i;
/* mask all IOC interrupts */
writeb(0, rbtx4927_imask_addr);
/* clear SoftInt interrupts */
writeb(0, rbtx4927_softint_addr);
for (i = RBTX4927_IRQ_IOC;
i < RBTX4927_IRQ_IOC + RBTX4927_NR_IRQ_IOC; i++)
set_irq_chip_and_handler(i, &toshiba_rbtx4927_irq_ioc_type,
......
......@@ -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 @@ static void __init rbtx4927_mem_setup(void)
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();
......
......@@ -36,6 +36,7 @@
#define RBTX4927_IMASK_ADDR (IO_BASE + TXX9_CE(2) + 0x00002000)
#define RBTX4927_IMSTAT_ADDR (IO_BASE + TXX9_CE(2) + 0x00002006)
#define RBTX4927_SOFTINT_ADDR (IO_BASE + TXX9_CE(2) + 0x00003000)
#define RBTX4927_SOFTRESET_ADDR (IO_BASE + TXX9_CE(2) + 0x0000f000)
#define RBTX4927_SOFTRESETLOCK_ADDR (IO_BASE + TXX9_CE(2) + 0x0000f002)
#define RBTX4927_PCIRESET_ADDR (IO_BASE + TXX9_CE(2) + 0x0000f006)
......@@ -47,6 +48,7 @@
#define rbtx4927_imask_addr ((__u8 __iomem *)RBTX4927_IMASK_ADDR)
#define rbtx4927_imstat_addr ((__u8 __iomem *)RBTX4927_IMSTAT_ADDR)
#define rbtx4927_softint_addr ((__u8 __iomem *)RBTX4927_SOFTINT_ADDR)
#define rbtx4927_softreset_addr ((__u8 __iomem *)RBTX4927_SOFTRESET_ADDR)
#define rbtx4927_softresetlock_addr \
((__u8 __iomem *)RBTX4927_SOFTRESETLOCK_ADDR)
......
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