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);