3 files changed, 27 insertions, 10 deletions

diff --git a/arch/mips/txx9/rbtx4927/irq.c b/arch/mips/txx9/rbtx4927/irq.c
index 00cd5231da30..9c14ebb26cb4 100644
--- a/arch/mips/txx9/rbtx4927/irq.c
+++ b/arch/mips/txx9/rbtx4927/irq.c
@@ -133,15 +133,20 @@ static int toshiba_rbtx4927_irq_nested(int sw_irq)
         u8 level3;
 
         level3 = readb(rbtx4927_imstat_addr) & 0x1f;
-        if (level3)
-                sw_irq = RBTX4927_IRQ_IOC + fls(level3) - 1;
-        return sw_irq;
+        if (unlikely(!level3))
+                return -1;
+        return RBTX4927_IRQ_IOC + __fls8(level3);
 }
 
 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/prom.c b/arch/mips/txx9/rbtx4927/prom.c
index 1dc0a5b1956b..cc97c6a6011b 100644
--- a/arch/mips/txx9/rbtx4927/prom.c
+++ b/arch/mips/txx9/rbtx4927/prom.c
@@ -36,7 +36,6 @@
 
 void __init rbtx4927_prom_init(void)
 {
-        prom_init_cmdline();
         add_memory_region(0, tx4927_get_mem_size(), BOOT_MEM_RAM);
         txx9_sio_putchar_init(TX4927_SIO_REG(0) & 0xfffffffffULL);
 }
diff --git a/arch/mips/txx9/rbtx4927/setup.c b/arch/mips/txx9/rbtx4927/setup.c
index 0d39bafea794..4a74423b2ba8 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>
@@ -185,14 +186,8 @@ static void __init rbtx4937_clock_init(void);
 
 static void __init rbtx4927_mem_setup(void)
 {
-        u32 cp0_config;
         char *argptr;
 
-        /* enable caches -- HCP5 does this, pmon does not */
-        cp0_config = read_c0_config();
-        cp0_config = cp0_config & ~(TX49_CONF_IC | TX49_CONF_DC);
-        write_c0_config(cp0_config);
-
         if (TX4927_REV_PCODE() == 0x4927) {
                 rbtx4927_clock_init();
                 tx4927_setup();
@@ -212,6 +207,14 @@ 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();
@@ -304,11 +307,21 @@ static void __init rbtx4927_ne_init(void)
         platform_device_register_simple("ne", -1, res, ARRAY_SIZE(res));
 }
 
+static void __init rbtx4927_mtd_init(void)
+{
+        int i;
+
+        for (i = 0; i < 2; i++)
+                tx4927_mtd_init(i);
+}
+
 static void __init rbtx4927_device_init(void)
 {
         toshiba_rbtx4927_rtc_init();
         rbtx4927_ne_init();
         tx4927_wdt_init();
+        rbtx4927_mtd_init();
+        txx9_iocled_init(RBTX4927_LED_ADDR - IO_BASE, -1, 3, 1, "green", NULL);
 }
 
 struct txx9_board_vec rbtx4927_vec __initdata = {