20 files changed, 115 insertions, 99 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 4da736e25333..49896a2a1d72 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1886,6 +1886,15 @@ config STACKTRACE_SUPPORT
 
 source "init/Kconfig"
 
+config PROBE_INITRD_HEADER
+        bool "Probe initrd header created by addinitrd"
+        depends on BLK_DEV_INITRD
+        help
+          Probe initrd header at the last page of kernel image.
+          Say Y here if you are using arch/mips/boot/addinitrd.c to
+          add initrd or initramfs image to the kernel image.
+          Otherwise, say N.
+
 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
 
 config HW_HAS_EISA
diff --git a/arch/mips/emma2rh/markeins/setup.c b/arch/mips/emma2rh/markeins/setup.c
index 822a20e21fa4..b6a23ad539f8 100644
--- a/arch/mips/emma2rh/markeins/setup.c
+++ b/arch/mips/emma2rh/markeins/setup.c
@@ -25,23 +25,9 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
-#include <linux/initrd.h>
-#include <linux/irq.h>
-#include <linux/ioport.h>
-#include <linux/param.h>        /* for HZ */
-#include <linux/root_dev.h>
-#include <linux/serial.h>
-#include <linux/serial_core.h>
-
-#include <asm/cpu.h>
-#include <asm/bootinfo.h>
-#include <asm/addrspace.h>
+
 #include <asm/time.h>
-#include <asm/bcache.h>
-#include <asm/irq.h>
 #include <asm/reboot.h>
-#include <asm/traps.h>
-#include <asm/debug.h>
 
 #include <asm/emma2rh/emma2rh.h>
 
diff --git a/arch/mips/jazz/setup.c b/arch/mips/jazz/setup.c
index b59ba6b93cdd..7043f6b9ff3c 100644
--- a/arch/mips/jazz/setup.c
+++ b/arch/mips/jazz/setup.c
@@ -5,33 +5,22 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 1996, 1997, 1998, 2001, 07 by Ralf Baechle
+ * Copyright (C) 1996, 1997, 1998, 2001, 07, 08 by Ralf Baechle
  * Copyright (C) 2001 MIPS Technologies, Inc.
  * Copyright (C) 2007 by Thomas Bogendoerfer
  */
 #include <linux/eisa.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
-#include <linux/sched.h>
-#include <linux/interrupt.h>
-#include <linux/mm.h>
 #include <linux/console.h>
-#include <linux/fb.h>
-#include <linux/pm.h>
 #include <linux/screen_info.h>
 #include <linux/platform_device.h>
 #include <linux/serial_8250.h>
 
-#include <asm/bootinfo.h>
-#include <asm/irq.h>
 #include <asm/jazz.h>
 #include <asm/jazzdma.h>
 #include <asm/reboot.h>
-#include <asm/io.h>
 #include <asm/pgtable.h>
-#include <asm/time.h>
-#include <asm/traps.h>
-#include <asm/mc146818-time.h>
 
 extern asmlinkage void jazz_handle_int(void);
 
diff --git a/arch/mips/kernel/.gitignore b/arch/mips/kernel/.gitignore
new file mode 100644
index 000000000000..c5f676c3c224
--- /dev/null
+++ b/arch/mips/kernel/.gitignore
@@ -0,0 +1 @@
+vmlinux.lds
diff --git a/arch/mips/kernel/kgdb.c b/arch/mips/kernel/kgdb.c
index c5a8b2d21ca4..8f6d58ede33c 100644
--- a/arch/mips/kernel/kgdb.c
+++ b/arch/mips/kernel/kgdb.c
@@ -62,13 +62,13 @@ void arch_kgdb_breakpoint(void)
 
 static void kgdb_call_nmi_hook(void *ignored)
 {
-        kgdb_nmicallback(raw_smp_processor_id(), (void *)0);
+        kgdb_nmicallback(raw_smp_processor_id(), NULL);
 }
 
 void kgdb_roundup_cpus(unsigned long flags)
 {
         local_irq_enable();
-        smp_call_function(kgdb_call_nmi_hook, NULL, NULL);
+        smp_call_function(kgdb_call_nmi_hook, NULL, 0);
         local_irq_disable();
 }
 
@@ -190,9 +190,6 @@ static int kgdb_mips_notify(struct notifier_block *self, unsigned long cmd,
         struct pt_regs *regs = args->regs;
         int trap = (regs->cp0_cause & 0x7c) >> 2;
 
-        if (fixup_exception(regs))
-                return NOTIFY_DONE;
-
         /* Userpace events, ignore. */
         if (user_mode(regs))
                 return NOTIFY_DONE;
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index fc4fd4d705e2..5e75a316f6b1 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -647,6 +647,12 @@ einval:	li	v0, -EINVAL
         sys     sys_timerfd_create      2
         sys     sys_timerfd_gettime     2
         sys     sys_timerfd_settime     4
+        sys     sys_signalfd4           4
+        sys     sys_eventfd2            2       /* 4325 */
+        sys     sys_epoll_create1       1
+        sys     sys_dup3                3
+        sys     sys_pipe2               2
+        sys     sys_inotify_init1       1
         .endm
 
         /* We pre-compute the number of _instruction_ bytes needed to
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index 2b73fd1e4528..3d58204c9d44 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -481,4 +481,10 @@ sys_call_table:
         PTR     sys_timerfd_create              /* 5280 */
         PTR     sys_timerfd_gettime
         PTR     sys_timerfd_settime
+        PTR     sys_signalfd4
+        PTR     sys_eventfd2
+        PTR     sys_epoll_create1               /* 5285 */
+        PTR     sys_dup3
+        PTR     sys_pipe2
+        PTR     sys_inotify_init1
         .size   sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 2654e75d2fef..da7f1b6ea0fb 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -407,4 +407,10 @@ EXPORT(sysn32_call_table)
         PTR     sys_timerfd_create
         PTR     sys_timerfd_gettime             /* 5285 */
         PTR     sys_timerfd_settime
+        PTR     sys_signalfd4
+        PTR     sys_eventfd2
+        PTR     sys_epoll_create1
+        PTR     sys_dup3                        /* 5290 */
+        PTR     sys_pipe2
+        PTR     sys_inotify_init1
         .size   sysn32_call_table,.-sysn32_call_table
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 76167bea5a70..d7cd1aac9ada 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -529,4 +529,10 @@ sys_call_table:
         PTR     sys_timerfd_create
         PTR     sys_timerfd_gettime
         PTR     sys_timerfd_settime
+        PTR     compat_sys_signalfd4
+        PTR     sys_eventfd2                    /* 4325 */
+        PTR     sys_epoll_create1
+        PTR     sys_dup3
+        PTR     sys_pipe2
+        PTR     sys_inotify_init1
         .size   sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 8af84867e74d..16f8edfe5cdc 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -78,7 +78,7 @@ void __init add_memory_region(phys_t start, phys_t size, long type)
 
         /* Sanity check */
         if (start + size < start) {
-                printk("Trying to add an invalid memory region, skipped\n");
+                pr_warning("Trying to add an invalid memory region, skipped\n");
                 return;
         }
 
@@ -92,7 +92,7 @@ void __init add_memory_region(phys_t start, phys_t size, long type)
         }
 
         if (x == BOOT_MEM_MAP_MAX) {
-                printk("Ooops! Too many entries in the memory map!\n");
+                pr_err("Ooops! Too many entries in the memory map!\n");
                 return;
         }
 
@@ -108,22 +108,22 @@ static void __init print_memory_map(void)
         const int field = 2 * sizeof(unsigned long);
 
         for (i = 0; i < boot_mem_map.nr_map; i++) {
-                printk(" memory: %0*Lx @ %0*Lx ",
+                printk(KERN_INFO " memory: %0*Lx @ %0*Lx ",
                        field, (unsigned long long) boot_mem_map.map[i].size,
                        field, (unsigned long long) boot_mem_map.map[i].addr);
 
                 switch (boot_mem_map.map[i].type) {
                 case BOOT_MEM_RAM:
-                        printk("(usable)\n");
+                        printk(KERN_CONT "(usable)\n");
                         break;
                 case BOOT_MEM_ROM_DATA:
-                        printk("(ROM data)\n");
+                        printk(KERN_CONT "(ROM data)\n");
                         break;
                 case BOOT_MEM_RESERVED:
-                        printk("(reserved)\n");
+                        printk(KERN_CONT "(reserved)\n");
                         break;
                 default:
-                        printk("type %lu\n", boot_mem_map.map[i].type);
+                        printk(KERN_CONT "type %lu\n", boot_mem_map.map[i].type);
                         break;
                 }
         }
@@ -160,36 +160,39 @@ early_param("rd_size", rd_size_early);
 static unsigned long __init init_initrd(void)
 {
         unsigned long end;
-        u32 *initrd_header;
 
         /*
          * Board specific code or command line parser should have
          * already set up initrd_start and initrd_end. In these cases
          * perfom sanity checks and use them if all looks good.
          */
-        if (initrd_start && initrd_end > initrd_start)
-                goto sanitize;
+        if (!initrd_start || initrd_end <= initrd_start) {
+#ifdef CONFIG_PROBE_INITRD_HEADER
+                u32 *initrd_header;
 
-        /*
-         * See if initrd has been added to the kernel image by
-         * arch/mips/boot/addinitrd.c. In that case a header is
-         * prepended to initrd and is made up by 8 bytes. The fisrt
-         * word is a magic number and the second one is the size of
-         * initrd.  Initrd start must be page aligned in any cases.
-         */
-        initrd_header = __va(PAGE_ALIGN(__pa_symbol(&_end) + 8)) - 8;
-        if (initrd_header[0] != 0x494E5244)
+                /*
+                 * See if initrd has been added to the kernel image by
+                 * arch/mips/boot/addinitrd.c. In that case a header is
+                 * prepended to initrd and is made up by 8 bytes. The first
+                 * word is a magic number and the second one is the size of
+                 * initrd.  Initrd start must be page aligned in any cases.
+                 */
+                initrd_header = __va(PAGE_ALIGN(__pa_symbol(&_end) + 8)) - 8;
+                if (initrd_header[0] != 0x494E5244)
+                        goto disable;
+                initrd_start = (unsigned long)(initrd_header + 2);
+                initrd_end = initrd_start + initrd_header[1];
+#else
                 goto disable;
-        initrd_start = (unsigned long)(initrd_header + 2);
-        initrd_end = initrd_start + initrd_header[1];
+#endif
+        }
 
-sanitize:
         if (initrd_start & ~PAGE_MASK) {
-                printk(KERN_ERR "initrd start must be page aligned\n");
+                pr_err("initrd start must be page aligned\n");
                 goto disable;
         }
         if (initrd_start < PAGE_OFFSET) {
-                printk(KERN_ERR "initrd start < PAGE_OFFSET\n");
+                pr_err("initrd start < PAGE_OFFSET\n");
                 goto disable;
         }
 
@@ -221,18 +224,18 @@ static void __init finalize_initrd(void)
                 goto disable;
         }
         if (__pa(initrd_end) > PFN_PHYS(max_low_pfn)) {
-                printk("Initrd extends beyond end of memory");
+                printk(KERN_ERR "Initrd extends beyond end of memory");
                 goto disable;
         }
 
         reserve_bootmem(__pa(initrd_start), size, BOOTMEM_DEFAULT);
         initrd_below_start_ok = 1;
 
-        printk(KERN_INFO "Initial ramdisk at: 0x%lx (%lu bytes)\n",
-               initrd_start, size);
+        pr_info("Initial ramdisk at: 0x%lx (%lu bytes)\n",
+                initrd_start, size);
         return;
 disable:
-        printk(" - disabling initrd\n");
+        printk(KERN_CONT " - disabling initrd\n");
         initrd_start = 0;
         initrd_end = 0;
 }
@@ -310,14 +313,12 @@ static void __init bootmem_init(void)
         if (min_low_pfn >= max_low_pfn)
                 panic("Incorrect memory mapping !!!");
         if (min_low_pfn > ARCH_PFN_OFFSET) {
-                printk(KERN_INFO
-                       "Wasting %lu bytes for tracking %lu unused pages\n",
-                       (min_low_pfn - ARCH_PFN_OFFSET) * sizeof(struct page),
-                       min_low_pfn - ARCH_PFN_OFFSET);
+                pr_info("Wasting %lu bytes for tracking %lu unused pages\n",
+                        (min_low_pfn - ARCH_PFN_OFFSET) * sizeof(struct page),
+                        min_low_pfn - ARCH_PFN_OFFSET);
         } else if (min_low_pfn < ARCH_PFN_OFFSET) {
-                printk(KERN_INFO
-                       "%lu free pages won't be used\n",
-                       ARCH_PFN_OFFSET - min_low_pfn);
+                pr_info("%lu free pages won't be used\n",
+                        ARCH_PFN_OFFSET - min_low_pfn);
         }
         min_low_pfn = ARCH_PFN_OFFSET;
 
@@ -471,7 +472,7 @@ static void __init arch_mem_init(char **cmdline_p)
         /* call board setup routine */
         plat_mem_setup();
 
-        printk("Determined physical RAM map:\n");
+        pr_info("Determined physical RAM map:\n");
         print_memory_map();
 
         strlcpy(command_line, arcs_cmdline, sizeof(command_line));
@@ -482,7 +483,7 @@ static void __init arch_mem_init(char **cmdline_p)
         parse_early_param();
 
         if (usermem) {
-                printk("User-defined physical RAM map:\n");
+                pr_info("User-defined physical RAM map:\n");
                 print_memory_map();
         }
 
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 426cced1e9dc..6bee29097a56 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -373,8 +373,8 @@ void __noreturn die(const char * str, const struct pt_regs * regs)
         do_exit(SIGSEGV);
 }
 
-extern const struct exception_table_entry __start___dbe_table[];
-extern const struct exception_table_entry __stop___dbe_table[];
+extern struct exception_table_entry __start___dbe_table[];
+extern struct exception_table_entry __stop___dbe_table[];
 
 __asm__(
 "       .section        __dbe_table, \"a\"\n"
@@ -1200,7 +1200,7 @@ void *set_except_vector(int n, void *addr)
         if (n == 0 && cpu_has_divec) {
                 *(u32 *)(ebase + 0x200) = 0x08000000 |
                                           (0x03ffffff & (handler >> 2));
-                flush_icache_range(ebase + 0x200, ebase + 0x204);
+                local_flush_icache_range(ebase + 0x200, ebase + 0x204);
         }
         return (void *)old_handler;
 }
@@ -1283,7 +1283,8 @@ static void *set_vi_srs_handler(int n, vi_handler_t addr, int srs)
                 *w = (*w & 0xffff0000) | (((u32)handler >> 16) & 0xffff);
                 w = (u32 *)(b + ori_offset);
                 *w = (*w & 0xffff0000) | ((u32)handler & 0xffff);
-                flush_icache_range((unsigned long)b, (unsigned long)(b+handler_len));
+                local_flush_icache_range((unsigned long)b,
+                                         (unsigned long)(b+handler_len));
         }
         else {
                 /*
@@ -1295,7 +1296,8 @@ static void *set_vi_srs_handler(int n, vi_handler_t addr, int srs)
                 w = (u32 *)b;
                 *w++ = 0x08000000 | (((u32)handler >> 2) & 0x03fffff); /* j handler */
                 *w = 0;
-                flush_icache_range((unsigned long)b, (unsigned long)(b+8));
+                local_flush_icache_range((unsigned long)b,
+                                         (unsigned long)(b+8));
         }
 
         return (void *)old_handler;
@@ -1515,7 +1517,7 @@ void __cpuinit per_cpu_trap_init(void)
 void __init set_handler(unsigned long offset, void *addr, unsigned long size)
 {
         memcpy((void *)(ebase + offset), addr, size);
-        flush_icache_range(ebase + offset, ebase + offset + size);
+        local_flush_icache_range(ebase + offset, ebase + offset + size);
 }
 
 static char panic_null_cerr[] __cpuinitdata =
@@ -1680,6 +1682,8 @@ void __init trap_init(void)
         signal32_init();
 #endif
 
-        flush_icache_range(ebase, ebase + 0x400);
+        local_flush_icache_range(ebase, ebase + 0x400);
         flush_tlb_handlers();
+
+        sort_extable(__start___dbe_table, __stop___dbe_table);
 }
diff --git a/arch/mips/mm/c-r3k.c b/arch/mips/mm/c-r3k.c
index 27a5b466c85c..5500c20c79ae 100644
--- a/arch/mips/mm/c-r3k.c
+++ b/arch/mips/mm/c-r3k.c
@@ -320,6 +320,7 @@ void __cpuinit r3k_cache_init(void)
         flush_cache_range = r3k_flush_cache_range;
         flush_cache_page = r3k_flush_cache_page;
         flush_icache_range = r3k_flush_icache_range;
+        local_flush_icache_range = r3k_flush_icache_range;
 
         flush_cache_sigtramp = r3k_flush_cache_sigtramp;
         local_flush_data_cache_page = local_r3k_flush_data_cache_page;
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 71df3390c07b..6e99665ae860 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -543,12 +543,8 @@ struct flush_icache_range_args {
         unsigned long end;
 };
 
-static inline void local_r4k_flush_icache_range(void *args)
+static inline void local_r4k_flush_icache_range(unsigned long start, unsigned long end)
 {
-        struct flush_icache_range_args *fir_args = args;
-        unsigned long start = fir_args->start;
-        unsigned long end = fir_args->end;
-
         if (!cpu_has_ic_fills_f_dc) {
                 if (end - start >= dcache_size) {
                         r4k_blast_dcache();
@@ -564,6 +560,15 @@ static inline void local_r4k_flush_icache_range(void *args)
                 protected_blast_icache_range(start, end);
 }
 
+static inline void local_r4k_flush_icache_range_ipi(void *args)
+{
+        struct flush_icache_range_args *fir_args = args;
+        unsigned long start = fir_args->start;
+        unsigned long end = fir_args->end;
+
+        local_r4k_flush_icache_range(start, end);
+}
+
 static void r4k_flush_icache_range(unsigned long start, unsigned long end)
 {
         struct flush_icache_range_args args;
@@ -571,7 +576,7 @@ static void r4k_flush_icache_range(unsigned long start, unsigned long end)
         args.start = start;
         args.end = end;
 
-        r4k_on_each_cpu(local_r4k_flush_icache_range, &args, 1);
+        r4k_on_each_cpu(local_r4k_flush_icache_range_ipi, &args, 1);
         instruction_hazard();
 }
 
@@ -1375,6 +1380,7 @@ void __cpuinit r4k_cache_init(void)
         local_flush_data_cache_page     = local_r4k_flush_data_cache_page;
         flush_data_cache_page   = r4k_flush_data_cache_page;
         flush_icache_range      = r4k_flush_icache_range;
+        local_flush_icache_range        = local_r4k_flush_icache_range;
 
 #if defined(CONFIG_DMA_NONCOHERENT)
         if (coherentio) {
diff --git a/arch/mips/mm/c-tx39.c b/arch/mips/mm/c-tx39.c
index a9f7f1f5e9b4..f7c8f9ce39c1 100644
--- a/arch/mips/mm/c-tx39.c
+++ b/arch/mips/mm/c-tx39.c
@@ -362,6 +362,7 @@ void __cpuinit tx39_cache_init(void)
                 flush_cache_range       = (void *) tx39h_flush_icache_all;
                 flush_cache_page        = (void *) tx39h_flush_icache_all;
                 flush_icache_range      = (void *) tx39h_flush_icache_all;
+                local_flush_icache_range = (void *) tx39h_flush_icache_all;
 
                 flush_cache_sigtramp    = (void *) tx39h_flush_icache_all;
                 local_flush_data_cache_page     = (void *) tx39h_flush_icache_all;
@@ -390,6 +391,7 @@ void __cpuinit tx39_cache_init(void)
                 flush_cache_range = tx39_flush_cache_range;
                 flush_cache_page = tx39_flush_cache_page;
                 flush_icache_range = tx39_flush_icache_range;
+                local_flush_icache_range = tx39_flush_icache_range;
 
                 flush_cache_sigtramp = tx39_flush_cache_sigtramp;
                 local_flush_data_cache_page = local_tx39_flush_data_cache_page;
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index 034e8506f6ea..1eb7c71e3d6a 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -29,6 +29,7 @@ void (*flush_cache_range)(struct vm_area_struct *vma, unsigned long start,
 void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page,
         unsigned long pfn);
 void (*flush_icache_range)(unsigned long start, unsigned long end);
+void (*local_flush_icache_range)(unsigned long start, unsigned long end);
 
 void (*__flush_cache_vmap)(void);
 void (*__flush_cache_vunmap)(void);
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 76da73a5ab3c..979cf9197282 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -1273,10 +1273,10 @@ void __cpuinit build_tlb_refill_handler(void)
 
 void __cpuinit flush_tlb_handlers(void)
 {
-        flush_icache_range((unsigned long)handle_tlbl,
+        local_flush_icache_range((unsigned long)handle_tlbl,
                            (unsigned long)handle_tlbl + sizeof(handle_tlbl));
-        flush_icache_range((unsigned long)handle_tlbs,
+        local_flush_icache_range((unsigned long)handle_tlbs,
                            (unsigned long)handle_tlbs + sizeof(handle_tlbs));
-        flush_icache_range((unsigned long)handle_tlbm,
+        local_flush_icache_range((unsigned long)handle_tlbm,
                            (unsigned long)handle_tlbm + sizeof(handle_tlbm));
 }
diff --git a/arch/mips/pci/pci-ip27.c b/arch/mips/pci/pci-ip27.c
index ce92f82b16d2..bd78368c82bf 100644
--- a/arch/mips/pci/pci-ip27.c
+++ b/arch/mips/pci/pci-ip27.c
@@ -205,6 +205,7 @@ int pcibus_to_node(struct pci_bus *bus)
 
         return bc->nasid;
 }
+EXPORT_SYMBOL(pcibus_to_node);
 
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SGI, PCI_DEVICE_ID_SGI_IOC3,
         pci_fixup_ioc3);
diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c
index 44fb0a62877f..82ab395efa33 100644
--- a/arch/mips/rb532/devices.c
+++ b/arch/mips/rb532/devices.c
@@ -49,8 +49,6 @@
 #define GPIO_ALE (1 << 0x0a)
 #define GPIO_CLE (1 << 0x0b)
 
-extern char *board_type;
-
 static struct resource korina_dev0_res[] = {
         {
                 .name = "korina_regs",
@@ -265,14 +263,6 @@ static void __init parse_mac_addr(char *macstr)
 }
 
 
-/* DEVICE CONTROLLER 1 */
-#define CFG_DC_DEV1     ((void *)0xb8010010)
-#define CFG_DC_DEV2     ((void *)0xb8010020)
-#define CFG_DC_DEVBASE    0x0
-#define CFG_DC_DEVMASK    0x4
-#define CFG_DC_DEVC       0x8
-#define CFG_DC_DEVTC      0xC
-
 /* NAND definitions */
 #define NAND_CHIP_DELAY 25
 
@@ -301,16 +291,16 @@ static void __init rb532_nand_setup(void)
 static int __init plat_setup_devices(void)
 {
         /* Look for the CF card reader */
-        if (!readl(CFG_DC_DEV1 + CFG_DC_DEVMASK))
+        if (!readl(IDT434_REG_BASE + DEV1MASK))
                 rb532_devs[1] = NULL;
         else {
                 cf_slot0_res[0].start =
-                    readl(CFG_DC_DEV1 + CFG_DC_DEVBASE);
+                    readl(IDT434_REG_BASE + DEV1BASE);
                 cf_slot0_res[0].end = cf_slot0_res[0].start + 0x1000;
         }
 
         /* Read the NAND resources from the device controller */
-        nand_slot0_res[0].start = readl(CFG_DC_DEV2 + CFG_DC_DEVBASE);
+        nand_slot0_res[0].start = readl(IDT434_REG_BASE + DEV2BASE);
         nand_slot0_res[0].end = nand_slot0_res[0].start + 0x1000;
 
         /* Initialise the NAND device */
diff --git a/arch/mips/sgi-ip22/ip22-platform.c b/arch/mips/sgi-ip22/ip22-platform.c
index 60141235ec40..52486c4d2b01 100644
--- a/arch/mips/sgi-ip22/ip22-platform.c
+++ b/arch/mips/sgi-ip22/ip22-platform.c
@@ -150,7 +150,7 @@ static int __init sgiseeq_devinit(void)
                 return res;
 
         /* Second HPC is missing? */
-        if (!ip22_is_fullhouse() ||
+        if (ip22_is_fullhouse() ||
             get_dbe(tmp, (unsigned int *)&hpc3c1->pbdma[1]))
                 return 0;
 
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index 1bc57d0f4c5c..fe6bee09cece 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -53,6 +53,7 @@ txx9_reg_res_init(unsigned int pcode, unsigned long base, unsigned long size)
                 txx9_ce_res[i].name = txx9_ce_res_name[i];
         }
 
+        txx9_pcode = pcode;
         sprintf(txx9_pcode_str, "TX%x", pcode);
         if (base) {
                 txx9_reg_res.start = base & 0xfffffffffULL;
@@ -328,6 +329,9 @@ void __init arch_init_irq(void)
 
 void __init plat_time_init(void)
 {
+#ifdef CONFIG_CPU_TX49XX
+        mips_hpt_frequency = txx9_cpu_clock / 2;
+#endif
         txx9_board_vec->time_init();
 }