Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] Rename PC speaker code
  [MIPS] Don't use genrtc.
  [MIPS] Remove unused time.c for swarm
  [MIPS] Sparse: Use NULL for pointer
  [MIPS] Fix a sparse warning in arch/mips/pci/pci.c
  [MIPS] SMTC: Interrupt mask backstop hack
  [MIPS] separate platform_device registration for VR41xx RTC
  [MIPS] Separate platform_device registration for VR41xx GPIO
  [MIPS] MIPSsim: Fix build.
  [MIPS] separate platform_device registration for VR41xx serial interface
  [MIPS] Include cacheflush.h in uncache.c
  [MIPS] Cleanup tlbdebug.h
  [MIPS] Change names of local variables to silence sparse (part 2)
  [MIPS] Workaround for a sparse warning in include/asm-mips/io.h
  [MIPS] RM: Use only phyiscal address for 82596 and 53c710
  [MIPS] Hydrogen3: Remove remaining bits of code.
  [MIPS] DEC: Fix modpost warning.
  Revert "[MIPS] DEC: Fix modpost warning."
  [MIPS] Fix resume for 64K page size on R4000 class processors.

26 files changed, 399 insertions, 275 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index a00fabe2e4e0..5c863bcd5614 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -117,9 +117,9 @@ config MACH_JAZZ
         select ARC32
         select ARCH_MAY_HAVE_PC_FDC
         select GENERIC_ISA_DMA
-        select I8253
         select I8259
         select ISA
+        select PCSPEAKER
         select SYS_HAS_CPU_R4X00
         select SYS_SUPPORTS_32BIT_KERNEL
         select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
@@ -347,9 +347,9 @@ config QEMU
         select DMA_COHERENT
         select GENERIC_ISA_DMA
         select HAVE_STD_PC_SERIAL_PORT
-        select I8253
         select I8259
         select ISA
+        select PCSPEAKER
         select SWAP_IO_SPACE
         select SYS_HAS_CPU_MIPS32_R1
         select SYS_SUPPORTS_32BIT_KERNEL
@@ -562,9 +562,9 @@ config SNI_RM
         select HW_HAS_EISA
         select HW_HAS_PCI
         select IRQ_CPU
-        select I8253
         select I8259
         select ISA
+        select PCSPEAKER
         select SWAP_IO_SPACE if CPU_BIG_ENDIAN
         select SYS_HAS_CPU_R4X00
         select SYS_HAS_CPU_R5000
@@ -1404,6 +1404,19 @@ config MIPS_MT_SMTC_INSTANT_REPLAY
           it off), but ensures that IPIs are handled promptly even under
           heavy I/O interrupt load.
 
+config MIPS_MT_SMTC_IM_BACKSTOP
+        bool "Use per-TC register bits as backstop for inhibited IM bits"
+        depends on MIPS_MT_SMTC
+        default y
+        help
+          To support multiple TC microthreads acting as "CPUs" within
+          a VPE, VPE-wide interrupt mask bits must be specially manipulated
+          during interrupt handling. To support legacy drivers and interrupt
+          controller management code, SMTC has a "backstop" to track and
+          if necessary restore the interrupt mask. This has some performance
+          impact on interrupt service overhead. Disable it only if you know
+          what you are doing.
+
 config MIPS_VPE_LOADER_TOM
         bool "Load VPE program into memory hidden from linux"
         depends on MIPS_VPE_LOADER
@@ -1851,7 +1864,7 @@ config MMU
         bool
         default y
 
-config I8253
+config PCSPEAKER
         bool
 
 source "drivers/pcmcia/Kconfig"
diff --git a/arch/mips/au1000/common/setup.c b/arch/mips/au1000/common/setup.c
index 13fe187f35d6..fdf2b85a69c8 100644
--- a/arch/mips/au1000/common/setup.c
+++ b/arch/mips/au1000/common/setup.c
@@ -100,9 +100,6 @@ void __init plat_mem_setup(void)
         argptr = prom_getcmdline();
         /* default panel */
         /*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/
-#ifdef CONFIG_MIPS_HYDROGEN3
-         strcat(argptr, " video=au1100fb:panel:Hydrogen_3_NEC_panel_320x240,nohwcursor");
-#endif
     }
 #endif
 
diff --git a/arch/mips/configs/jazz_defconfig b/arch/mips/configs/jazz_defconfig
index dd04eece9fd3..8a0b4ac5283d 100644
--- a/arch/mips/configs/jazz_defconfig
+++ b/arch/mips/configs/jazz_defconfig
@@ -241,7 +241,7 @@ CONFIG_DEFAULT_IOSCHED="anticipatory"
 #
 CONFIG_ISA=y
 CONFIG_MMU=y
-CONFIG_I8253=y
+CONFIG_PCSPEAKER=y
 
 #
 # PCCARD (PCMCIA/CardBus) support
diff --git a/arch/mips/configs/qemu_defconfig b/arch/mips/configs/qemu_defconfig
index 6cca105832ca..703de002e372 100644
--- a/arch/mips/configs/qemu_defconfig
+++ b/arch/mips/configs/qemu_defconfig
@@ -221,7 +221,7 @@ CONFIG_DEFAULT_IOSCHED="noop"
 #
 CONFIG_ISA=y
 CONFIG_MMU=y
-CONFIG_I8253=y
+CONFIG_PCSPEAKER=y
 
 #
 # PCCARD (PCMCIA/CardBus) support
diff --git a/arch/mips/configs/rm200_defconfig b/arch/mips/configs/rm200_defconfig
index 1a67a85aabbb..a5dc5cb97aae 100644
--- a/arch/mips/configs/rm200_defconfig
+++ b/arch/mips/configs/rm200_defconfig
@@ -251,7 +251,7 @@ CONFIG_PCI=y
 CONFIG_ISA=y
 # CONFIG_EISA is not set
 CONFIG_MMU=y
-CONFIG_I8253=y
+CONFIG_PCSPEAKER=y
 
 #
 # PCCARD (PCMCIA/CardBus) support
diff --git a/arch/mips/configs/yosemite_defconfig b/arch/mips/configs/yosemite_defconfig
index f1cdb12f7925..f342d8c887b8 100644
--- a/arch/mips/configs/yosemite_defconfig
+++ b/arch/mips/configs/yosemite_defconfig
@@ -592,8 +592,6 @@ CONFIG_LEGACY_PTY_COUNT=256
 # CONFIG_WATCHDOG is not set
 # CONFIG_HW_RANDOM is not set
 # CONFIG_RTC is not set
-CONFIG_GEN_RTC=y
-CONFIG_GEN_RTC_X=y
 # CONFIG_DTLK is not set
 # CONFIG_R3964 is not set
 # CONFIG_APPLICOM is not set
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index 961594cb5214..5c8085b6d7ab 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -63,7 +63,7 @@ obj-$(CONFIG_PROC_FS)		+= proc.o
 
 obj-$(CONFIG_64BIT)             += cpu-bugs64.o
 
-obj-$(CONFIG_I8253)             += i8253.o
+obj-$(CONFIG_PCSPEAKER)         += pcspeaker.o
 
 obj-$(CONFIG_KEXEC)             += machine_kexec.o relocate_kernel.o
 obj-$(CONFIG_EARLY_PRINTK)      += early_printk.o
diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S
index 686249c5c328..e29598ae939d 100644
--- a/arch/mips/kernel/entry.S
+++ b/arch/mips/kernel/entry.S
@@ -84,6 +84,7 @@ FEXPORT(restore_all)			# restore full frame
         LONG_S  sp, TI_REGS($28)
         jal     deferred_smtc_ipi
         LONG_S  s0, TI_REGS($28)
+#ifdef CONFIG_MIPS_MT_SMTC_IM_BACKSTOP
 /* Re-arm any temporarily masked interrupts not explicitly "acked" */
         mfc0    v0, CP0_TCSTATUS
         ori     v1, v0, TCSTATUS_IXMT
@@ -110,6 +111,7 @@ FEXPORT(restore_all)			# restore full frame
         _ehb
         xor     t0, t0, t3
         mtc0    t0, CP0_TCCONTEXT
+#endif /* CONFIG_MIPS_MT_SMTC_IM_BACKSTOP */
 #endif /* CONFIG_MIPS_MT_SMTC */
         .set    noat
         RESTORE_TEMP
diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S
index 297bd56c2347..c0f19d638b98 100644
--- a/arch/mips/kernel/genex.S
+++ b/arch/mips/kernel/genex.S
@@ -243,9 +243,11 @@ NESTED(except_vec_vi_handler, 0, sp)
          */
         mfc0    t1, CP0_STATUS
         and     t0, a0, t1
+#ifdef CONFIG_MIPS_MT_SMTC_IM_BACKSTOP
         mfc0    t2, CP0_TCCONTEXT
         or      t0, t0, t2
         mtc0    t0, CP0_TCCONTEXT
+#endif /* CONFIG_MIPS_MT_SMTC_IM_BACKSTOP */
         xor     t1, t1, t0
         mtc0    t1, CP0_STATUS
         _ehb
diff --git a/arch/mips/kernel/i8253.c b/arch/mips/kernel/pcspeaker.c
index 475df6904219..475df6904219 100644
--- a/arch/mips/kernel/i8253.c
+++ b/arch/mips/kernel/pcspeaker.c
diff --git a/arch/mips/kernel/r4k_switch.S b/arch/mips/kernel/r4k_switch.S
index 06729596812f..d9bfae53c43f 100644
--- a/arch/mips/kernel/r4k_switch.S
+++ b/arch/mips/kernel/r4k_switch.S
@@ -85,12 +85,7 @@
         move    $28, a2
         cpu_restore_nonscratch a1
 
-#if (_THREAD_SIZE - 32) < 0x10000
-        PTR_ADDIU       t0, $28, _THREAD_SIZE - 32
-#else
-        PTR_LI          t0, _THREAD_SIZE - 32
-        PTR_ADDU        t0, $28
-#endif
+        PTR_ADDU        t0, $28, _THREAD_SIZE - 32
         set_saved_sp    t0, t1, t2
 #ifdef CONFIG_MIPS_MT_SMTC
         /* Read-modify-writes of Status must be atomic on a VPE */
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 80ea4fa95bd9..5e9fa83c4ef0 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -373,7 +373,7 @@ asmlinkage void do_be(struct pt_regs *regs)
                 action = MIPS_BE_FIXUP;
 
         if (board_be_handler)
-                action = board_be_handler(regs, fixup != 0);
+                action = board_be_handler(regs, fixup != NULL);
 
         switch (action) {
         case MIPS_BE_DISCARD:
diff --git a/arch/mips/lib/dump_tlb.c b/arch/mips/lib/dump_tlb.c
index 1a4db7dc77cb..465ff0ec85b9 100644
--- a/arch/mips/lib/dump_tlb.c
+++ b/arch/mips/lib/dump_tlb.c
@@ -10,6 +10,7 @@
 #include <asm/mipsregs.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
+#include <asm/tlbdebug.h>
 
 static inline const char *msk2str(unsigned int mask)
 {
diff --git a/arch/mips/lib/r3k_dump_tlb.c b/arch/mips/lib/r3k_dump_tlb.c
index 52f87795ecc3..9cee907975ae 100644
--- a/arch/mips/lib/r3k_dump_tlb.c
+++ b/arch/mips/lib/r3k_dump_tlb.c
@@ -11,6 +11,7 @@
 #include <asm/mipsregs.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
+#include <asm/tlbdebug.h>
 
 extern int r3k_have_wired_reg;  /* defined in tlb-r3k.c */
 
diff --git a/arch/mips/lib/uncached.c b/arch/mips/lib/uncached.c
index 2388f7f3ffde..58d14f4d9349 100644
--- a/arch/mips/lib/uncached.c
+++ b/arch/mips/lib/uncached.c
@@ -12,6 +12,7 @@
 
 #include <asm/addrspace.h>
 #include <asm/bug.h>
+#include <asm/cacheflush.h>
 
 #ifndef CKSEG2
 #define CKSEG2 CKSSEG
diff --git a/arch/mips/mipssim/sim_int.c b/arch/mips/mipssim/sim_int.c
index d86b37235cf6..5cbc3509ab52 100644
--- a/arch/mips/mipssim/sim_int.c
+++ b/arch/mips/mipssim/sim_int.c
@@ -77,7 +77,7 @@ asmlinkage void plat_irq_dispatch(void)
         irq = irq_ffs(pending);
 
         if (irq > 0)
-                do_IRQ(MIPSCPU_INT_BASE + irq);
+                do_IRQ(MIPS_CPU_IRQ_BASE + irq);
         else
                 spurious_interrupt();
 }
diff --git a/arch/mips/mipssim/sim_setup.c b/arch/mips/mipssim/sim_setup.c
index 3643582bdade..60e66906be65 100644
--- a/arch/mips/mipssim/sim_setup.c
+++ b/arch/mips/mipssim/sim_setup.c
@@ -84,7 +84,7 @@ static void __init serial_init(void)
         /* hardware int 4 - the serial int, is CPU int 6
          but poll for now */
         s.irq =  0;
-        s.uartclk = BASE_BAUD * 16;
+        s.uartclk = 1843200;
         s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
         s.iotype = UPIO_PORT;
         s.regshift = 0;
diff --git a/arch/mips/mipssim/sim_time.c b/arch/mips/mipssim/sim_time.c
index 874a18e8ac24..a0f5a5dca1b2 100644
--- a/arch/mips/mipssim/sim_time.c
+++ b/arch/mips/mipssim/sim_time.c
@@ -5,7 +5,6 @@
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
 #include <linux/mc146818rtc.h>
-#include <linux/mipsregs.h>
 #include <linux/smp.h>
 #include <linux/timex.h>
 
diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index 8108231f2e20..99d8f4fd3ff4 100644
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -269,7 +269,7 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus)
         }
 
         for (ln = bus->devices.next; ln != &bus->devices; ln = ln->next) {
-                struct pci_dev *dev = pci_dev_b(ln);
+                dev = pci_dev_b(ln);
 
                 if ((dev->class >> 8) != PCI_CLASS_BRIDGE_PCI)
                         pcibios_fixup_device_resources(dev, bus);
diff --git a/arch/mips/sibyte/swarm/time.c b/arch/mips/sibyte/swarm/time.c
deleted file mode 100644
index 97c73c793c35..000000000000
--- a/arch/mips/sibyte/swarm/time.c
+++ /dev/null
@@ -1,244 +0,0 @@
-/*
- * Copyright (C) 2000, 2001 Broadcom Corporation
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
- */
-
-/*
- * Time routines for the swarm board.  We pass all the hard stuff
- * through to the sb1250 handling code.  Only thing we really keep
- * track of here is what time of day we think it is.  And we don't
- * really even do a good job of that...
- */
-
-
-#include <linux/bcd.h>
-#include <linux/init.h>
-#include <linux/time.h>
-#include <linux/sched.h>
-#include <linux/spinlock.h>
-#include <asm/system.h>
-#include <asm/addrspace.h>
-#include <asm/io.h>
-
-#include <asm/sibyte/sb1250.h>
-#include <asm/sibyte/sb1250_regs.h>
-#include <asm/sibyte/sb1250_smbus.h>
-
-static unsigned long long sec_bias = 0;
-static unsigned int usec_bias = 0;
-
-/* Xicor 1241 definitions */
-
-/*
- * Register bits
- */
-
-#define X1241REG_SR_BAT 0x80            /* currently on battery power */
-#define X1241REG_SR_RWEL 0x04           /* r/w latch is enabled, can write RTC */
-#define X1241REG_SR_WEL 0x02            /* r/w latch is unlocked, can enable r/w now */
-#define X1241REG_SR_RTCF 0x01           /* clock failed */
-#define X1241REG_BL_BP2 0x80            /* block protect 2 */
-#define X1241REG_BL_BP1 0x40            /* block protect 1 */
-#define X1241REG_BL_BP0 0x20            /* block protect 0 */
-#define X1241REG_BL_WD1 0x10
-#define X1241REG_BL_WD0 0x08
-#define X1241REG_HR_MIL 0x80            /* military time format */
-
-/*
- * Register numbers
- */
-
-#define X1241REG_BL     0x10            /* block protect bits */
-#define X1241REG_INT    0x11            /*  */
-#define X1241REG_SC     0x30            /* Seconds */
-#define X1241REG_MN     0x31            /* Minutes */
-#define X1241REG_HR     0x32            /* Hours */
-#define X1241REG_DT     0x33            /* Day of month */
-#define X1241REG_MO     0x34            /* Month */
-#define X1241REG_YR     0x35            /* Year */
-#define X1241REG_DW     0x36            /* Day of Week */
-#define X1241REG_Y2K    0x37            /* Year 2K */
-#define X1241REG_SR     0x3F            /* Status register */
-
-#define X1241_CCR_ADDRESS       0x6F
-
-#define SMB_CSR(reg) (IOADDR(A_SMB_REGISTER(1, reg)))
-
-static int xicor_read(uint8_t addr)
-{
-        while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
-                ;
-
-        __raw_writeq((addr >> 8) & 0x7, SMB_CSR(R_SMB_CMD));
-        __raw_writeq(addr & 0xff, SMB_CSR(R_SMB_DATA));
-        __raw_writeq(V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_WR2BYTE,
-                     SMB_CSR(R_SMB_START));
-
-        while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
-                ;
-
-        __raw_writeq(V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_RD1BYTE,
-                     SMB_CSR(R_SMB_START));
-
-        while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
-                ;
-
-        if (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
-                /* Clear error bit by writing a 1 */
-                __raw_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
-                return -1;
-        }
-
-        return (__raw_readq(SMB_CSR(R_SMB_DATA)) & 0xff);
-}
-
-static int xicor_write(uint8_t addr, int b)
-{
-        while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
-                ;
-
-        __raw_writeq(addr, SMB_CSR(R_SMB_CMD));
-        __raw_writeq((addr & 0xff) | ((b & 0xff) << 8), SMB_CSR(R_SMB_DATA));
-        __raw_writeq(V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_WR3BYTE,
-                     SMB_CSR(R_SMB_START));
-
-        while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
-                ;
-
-        if (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
-                /* Clear error bit by writing a 1 */
-                __raw_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
-                return -1;
-        } else {
-                return 0;
-        }
-}
-
-/*
- * In order to set the CMOS clock precisely, set_rtc_mmss has to be
- * called 500 ms after the second nowtime has started, because when
- * nowtime is written into the registers of the CMOS clock, it will
- * jump to the next second precisely 500 ms later. Check the Motorola
- * MC146818A or Dallas DS12887 data sheet for details.
- *
- * BUG: This routine does not handle hour overflow properly; it just
- *      sets the minutes. Usually you'll only notice that after reboot!
- */
-int set_rtc_mmss(unsigned long nowtime)
-{
-        int retval = 0;
-        int real_seconds, real_minutes, cmos_minutes;
-
-        cmos_minutes = xicor_read(X1241REG_MN);
-        cmos_minutes = BCD2BIN(cmos_minutes);
-
-        /*
-         * since we're only adjusting minutes and seconds,
-         * don't interfere with hour overflow. This avoids
-         * messing with unknown time zones but requires your
-         * RTC not to be off by more than 15 minutes
-         */
-        real_seconds = nowtime % 60;
-        real_minutes = nowtime / 60;
-        if (((abs(real_minutes - cmos_minutes) + 15)/30) & 1)
-                real_minutes += 30;             /* correct for half hour time zone */
-        real_minutes %= 60;
-
-        /* unlock writes to the CCR */
-        xicor_write(X1241REG_SR, X1241REG_SR_WEL);
-        xicor_write(X1241REG_SR, X1241REG_SR_WEL | X1241REG_SR_RWEL);
-
-        if (abs(real_minutes - cmos_minutes) < 30) {
-                real_seconds = BIN2BCD(real_seconds);
-                real_minutes = BIN2BCD(real_minutes);
-                xicor_write(X1241REG_SC, real_seconds);
-                xicor_write(X1241REG_MN, real_minutes);
-        } else {
-                printk(KERN_WARNING
-                       "set_rtc_mmss: can't update from %d to %d\n",
-                       cmos_minutes, real_minutes);
-                retval = -1;
-        }
-
-        xicor_write(X1241REG_SR, 0);
-
-        printk("set_rtc_mmss: %02d:%02d\n", real_minutes, real_seconds);
-
-        return retval;
-}
-
-static unsigned long __init get_swarm_time(void)
-{
-        unsigned int year, mon, day, hour, min, sec, y2k;
-
-        sec = xicor_read(X1241REG_SC);
-        min = xicor_read(X1241REG_MN);
-        hour = xicor_read(X1241REG_HR);
-
-        if (hour & X1241REG_HR_MIL) {
-                hour &= 0x3f;
-        } else {
-                if (hour & 0x20)
-                        hour = (hour & 0xf) + 0x12;
-        }
-
-        sec = BCD2BIN(sec);
-        min = BCD2BIN(min);
-        hour = BCD2BIN(hour);
-
-        day = xicor_read(X1241REG_DT);
-        mon = xicor_read(X1241REG_MO);
-        year = xicor_read(X1241REG_YR);
-        y2k = xicor_read(X1241REG_Y2K);
-
-        day = BCD2BIN(day);
-        mon = BCD2BIN(mon);
-        year = BCD2BIN(year);
-        y2k = BCD2BIN(y2k);
-
-        year += (y2k * 100);
-
-        return mktime(year, mon, day, hour, min, sec);
-}
-
-/*
- *  Bring up the timer at 100 Hz.
- */
-void __init swarm_time_init(void)
-{
-        unsigned int flags;
-        int status;
-
-        /* Set up the scd general purpose timer 0 to cpu 0 */
-        sb1250_time_init();
-
-        /* Establish communication with the Xicor 1241 RTC */
-        /* XXXKW how do I share the SMBus with the I2C subsystem? */
-
-        __raw_writeq(K_SMB_FREQ_400KHZ, SMB_CSR(R_SMB_FREQ));
-        __raw_writeq(0, SMB_CSR(R_SMB_CONTROL));
-
-        if ((status = xicor_read(X1241REG_SR_RTCF)) < 0) {
-                printk("x1241: couldn't detect on SWARM SMBus 1\n");
-        } else {
-                if (status & X1241REG_SR_RTCF)
-                        printk("x1241: battery failed -- time is probably wrong\n");
-                write_seqlock_irqsave(&xtime_lock, flags);
-                xtime.tv_sec = get_swarm_time();
-                xtime.tv_nsec = 0;
-                write_sequnlock_irqrestore(&xtime_lock, flags);
-        }
-}
diff --git a/arch/mips/sni/a20r.c b/arch/mips/sni/a20r.c
index 6850a29defcd..acc9ba76c1a9 100644
--- a/arch/mips/sni/a20r.c
+++ b/arch/mips/sni/a20r.c
@@ -87,8 +87,8 @@ static struct platform_device snirm_82596_pdev = {
 
 static struct resource snirm_53c710_rsrc[] = {
         {
-                .start = 0xb9000000,
-                .end   = 0xb90fffff,
+                .start = 0x19000000,
+                .end   = 0x190fffff,
                 .flags = IORESOURCE_MEM
         },
         {
@@ -106,8 +106,8 @@ static struct platform_device snirm_53c710_pdev = {
 
 static struct resource sc26xx_rsrc[] = {
         {
-                .start = 0xbc070000,
-                .end   = 0xbc0700ff,
+                .start = 0x1c070000,
+                .end   = 0x1c0700ff,
                 .flags = IORESOURCE_MEM
         },
         {
diff --git a/arch/mips/sni/rm200.c b/arch/mips/sni/rm200.c
index 4bfda020fdc7..28a11d8605ce 100644
--- a/arch/mips/sni/rm200.c
+++ b/arch/mips/sni/rm200.c
@@ -88,8 +88,8 @@ static struct platform_device snirm_82596_rm200_pdev = {
 
 static struct resource snirm_53c710_rm200_rsrc[] = {
         {
-                .start = 0xb9000000,
-                .end   = 0xb90fffff,
+                .start = 0x19000000,
+                .end   = 0x190fffff,
                 .flags = IORESOURCE_MEM
         },
         {
diff --git a/arch/mips/vr41xx/common/Makefile b/arch/mips/vr41xx/common/Makefile
index f842783acd86..d0d84ec8d63d 100644
--- a/arch/mips/vr41xx/common/Makefile
+++ b/arch/mips/vr41xx/common/Makefile
@@ -2,4 +2,4 @@
 # Makefile for common code of the NEC VR4100 series.
 #
 
-obj-y   += bcu.o cmu.o icu.o init.o irq.o pmu.o type.o
+obj-y   += bcu.o cmu.o giu.o icu.o init.o irq.o pmu.o rtc.o siu.o type.o
diff --git a/arch/mips/vr41xx/common/giu.c b/arch/mips/vr41xx/common/giu.c
new file mode 100644
index 000000000000..d21f6f2d22a3
--- /dev/null
+++ b/arch/mips/vr41xx/common/giu.c
@@ -0,0 +1,122 @@
+/*
+ *  NEC VR4100 series GIU platform device.
+ *
+ *  Copyright (C) 2007  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+
+#include <asm/cpu.h>
+#include <asm/vr41xx/giu.h>
+#include <asm/vr41xx/irq.h>
+
+static struct resource giu_50pins_pullupdown_resource[] __initdata = {
+        {
+                .start  = 0x0b000100,
+                .end    = 0x0b00011f,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = 0x0b0002e0,
+                .end    = 0x0b0002e3,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = GIUINT_IRQ,
+                .end    = GIUINT_IRQ,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct resource giu_36pins_resource[] __initdata = {
+        {
+                .start  = 0x0f000140,
+                .end    = 0x0f00015f,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = GIUINT_IRQ,
+                .end    = GIUINT_IRQ,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct resource giu_48pins_resource[] __initdata = {
+        {
+                .start  = 0x0f000140,
+                .end    = 0x0f000167,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = GIUINT_IRQ,
+                .end    = GIUINT_IRQ,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static int __init vr41xx_giu_add(void)
+{
+        struct platform_device *pdev;
+        struct resource *res;
+        unsigned int num;
+        int retval;
+
+        pdev = platform_device_alloc("GIU", -1);
+        if (!pdev)
+                return -ENOMEM;
+
+        switch (current_cpu_data.cputype) {
+        case CPU_VR4111:
+        case CPU_VR4121:
+                pdev->id = GPIO_50PINS_PULLUPDOWN;
+                res = giu_50pins_pullupdown_resource;
+                num = ARRAY_SIZE(giu_50pins_pullupdown_resource);
+                break;
+        case CPU_VR4122:
+        case CPU_VR4131:
+                pdev->id = GPIO_36PINS;
+                res = giu_36pins_resource;
+                num = ARRAY_SIZE(giu_36pins_resource);
+                break;
+        case CPU_VR4133:
+                pdev->id = GPIO_48PINS_EDGE_SELECT;
+                res = giu_48pins_resource;
+                num = ARRAY_SIZE(giu_48pins_resource);
+                break;
+        default:
+                retval = -ENODEV;
+                goto err_free_device;
+        }
+
+        retval = platform_device_add_resources(pdev, res, num);
+        if (retval)
+                goto err_free_device;
+
+        retval = platform_device_add(pdev);
+        if (retval)
+                goto err_free_device;
+
+        return 0;
+
+err_free_device:
+        platform_device_put(pdev);
+
+        return retval;
+}
+device_initcall(vr41xx_giu_add);
diff --git a/arch/mips/vr41xx/common/rtc.c b/arch/mips/vr41xx/common/rtc.c
new file mode 100644
index 000000000000..cce605b3d688
--- /dev/null
+++ b/arch/mips/vr41xx/common/rtc.c
@@ -0,0 +1,117 @@
+/*
+ *  NEC VR4100 series RTC platform device.
+ *
+ *  Copyright (C) 2007  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+
+#include <asm/cpu.h>
+#include <asm/vr41xx/irq.h>
+
+static struct resource rtc_type1_resource[] __initdata = {
+        {
+                .start  = 0x0b0000c0,
+                .end    = 0x0b0000df,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = 0x0b0001c0,
+                .end    = 0x0b0001df,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = ELAPSEDTIME_IRQ,
+                .end    = ELAPSEDTIME_IRQ,
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                .start  = RTCLONG1_IRQ,
+                .end    = RTCLONG1_IRQ,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct resource rtc_type2_resource[] __initdata = {
+        {
+                .start  = 0x0f000100,
+                .end    = 0x0f00011f,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = 0x0f000120,
+                .end    = 0x0f00013f,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = ELAPSEDTIME_IRQ,
+                .end    = ELAPSEDTIME_IRQ,
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                .start  = RTCLONG1_IRQ,
+                .end    = RTCLONG1_IRQ,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static int __init vr41xx_rtc_add(void)
+{
+        struct platform_device *pdev;
+        struct resource *res;
+        unsigned int num;
+        int retval;
+
+        pdev = platform_device_alloc("RTC", -1);
+        if (!pdev)
+                return -ENOMEM;
+
+        switch (current_cpu_data.cputype) {
+        case CPU_VR4111:
+        case CPU_VR4121:
+                res = rtc_type1_resource;
+                num = ARRAY_SIZE(rtc_type1_resource);
+                break;
+        case CPU_VR4122:
+        case CPU_VR4131:
+        case CPU_VR4133:
+                res = rtc_type2_resource;
+                num = ARRAY_SIZE(rtc_type2_resource);
+                break;
+        default:
+                retval = -ENODEV;
+                goto err_free_device;
+        }
+
+        retval = platform_device_add_resources(pdev, res, num);
+        if (retval)
+                goto err_free_device;
+
+        retval = platform_device_add(pdev);
+        if (retval)
+                goto err_free_device;
+
+        return 0;
+
+err_free_device:
+        platform_device_put(pdev);
+
+        return retval;
+}
+device_initcall(vr41xx_rtc_add);
diff --git a/arch/mips/vr41xx/common/siu.c b/arch/mips/vr41xx/common/siu.c
new file mode 100644
index 000000000000..a1e774142163
--- /dev/null
+++ b/arch/mips/vr41xx/common/siu.c
@@ -0,0 +1,120 @@
+/*
+ *  NEC VR4100 series SIU platform device.
+ *
+ *  Copyright (C) 2007  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+#include <linux/serial_core.h>
+
+#include <asm/cpu.h>
+#include <asm/vr41xx/siu.h>
+
+static unsigned int siu_type1_ports[SIU_PORTS_MAX] __initdata = {
+        PORT_VR41XX_SIU,
+        PORT_UNKNOWN,
+};
+
+static struct resource siu_type1_resource[] __initdata = {
+        {
+                .start  = 0x0c000000,
+                .end    = 0x0c00000a,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = SIU_IRQ,
+                .end    = SIU_IRQ,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static unsigned int siu_type2_ports[SIU_PORTS_MAX] __initdata = {
+        PORT_VR41XX_SIU,
+        PORT_VR41XX_DSIU,
+};
+
+static struct resource siu_type2_resource[] __initdata = {
+        {
+                .start  = 0x0f000800,
+                .end    = 0x0f00080a,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = 0x0f000820,
+                .end    = 0x0f000829,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = SIU_IRQ,
+                .end    = SIU_IRQ,
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                .start  = DSIU_IRQ,
+                .end    = DSIU_IRQ,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static int __init vr41xx_siu_add(void)
+{
+        struct platform_device *pdev;
+        struct resource *res;
+        unsigned int num;
+        int retval;
+
+        pdev = platform_device_alloc("SIU", -1);
+        if (!pdev)
+                return -ENOMEM;
+
+        switch (current_cpu_data.cputype) {
+        case CPU_VR4111:
+        case CPU_VR4121:
+                pdev->dev.platform_data = siu_type1_ports;
+                res = siu_type1_resource;
+                num = ARRAY_SIZE(siu_type1_resource);
+                break;
+        case CPU_VR4122:
+        case CPU_VR4131:
+        case CPU_VR4133:
+                pdev->dev.platform_data = siu_type2_ports;
+                res = siu_type2_resource;
+                num = ARRAY_SIZE(siu_type2_resource);
+                break;
+        default:
+                retval = -ENODEV;
+                goto err_free_device;
+        }
+
+        retval = platform_device_add_resources(pdev, res, num);
+        if (retval)
+                goto err_free_device;
+
+        retval = platform_device_add(pdev);
+        if (retval)
+                goto err_free_device;
+
+        return 0;
+
+err_free_device:
+        platform_device_put(pdev);
+
+        return retval;
+}
+device_initcall(vr41xx_siu_add);