diff options
| author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2008-08-19 22:55:05 +0900 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2008-10-11 16:18:41 +0100 |
| commit | f96a3383cfede841cdf80a5927f14478981ed78c (patch) | |
| tree | 8d6da93bbf355c2f95a2591d116b18b8b6e42b1f | |
| parent | 9fa32c6b0275ab1e8b19f74fbfa3ed8411345db6 (diff) | |
| download | lwn-f96a3383cfede841cdf80a5927f14478981ed78c.tar.gz lwn-f96a3383cfede841cdf80a5927f14478981ed78c.zip | |
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>
| -rw-r--r-- | arch/mips/txx9/rbtx4927/irq.c | 5 | ||||
| -rw-r--r-- | arch/mips/txx9/rbtx4927/setup.c | 9 | ||||
| -rw-r--r-- | include/asm-mips/txx9/rbtx4927.h | 2 |
3 files changed, 16 insertions, 0 deletions
diff --git a/arch/mips/txx9/rbtx4927/irq.c b/arch/mips/txx9/rbtx4927/irq.c index 00cd5231da30..22076e3f03a8 100644 --- a/arch/mips/txx9/rbtx4927/irq.c +++ b/arch/mips/txx9/rbtx4927/irq.c @@ -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, diff --git a/arch/mips/txx9/rbtx4927/setup.c b/arch/mips/txx9/rbtx4927/setup.c index 0d39bafea794..5985f330838a 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 @@ 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(); diff --git a/include/asm-mips/txx9/rbtx4927.h b/include/asm-mips/txx9/rbtx4927.h index 6fcec912c143..c6015463432e 100644 --- a/include/asm-mips/txx9/rbtx4927.h +++ b/include/asm-mips/txx9/rbtx4927.h @@ -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) |