8 files changed, 131 insertions, 25 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 2f2ce0c28bc0..7750829b416a 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -22,6 +22,7 @@ config MACH_ALCHEMY
 config BASLER_EXCITE
         bool "Basler eXcite smart camera"
         select CEVT_R4K
+        select CSRC_R4K
         select DMA_COHERENT
         select HW_HAS_PCI
         select IRQ_CPU
@@ -49,6 +50,7 @@ config BASLER_EXCITE_PROTOTYPE
 config BCM47XX
         bool "BCM47XX based boards"
         select CEVT_R4K
+        select CSRC_R4K
         select DMA_NONCOHERENT
         select HW_HAS_PCI
         select IRQ_CPU
@@ -66,6 +68,7 @@ config BCM47XX
 config MIPS_COBALT
         bool "Cobalt Server"
         select CEVT_R4K
+        select CSRC_R4K
         select CEVT_GT641XX
         select DMA_NONCOHERENT
         select HW_HAS_PCI
@@ -85,6 +88,7 @@ config MACH_DECSTATION
         bool "DECstations"
         select BOOT_ELF32
         select CEVT_R4K
+        select CSRC_R4K
         select DMA_NONCOHERENT
         select NO_IOPORT
         select IRQ_CPU
@@ -117,6 +121,7 @@ config MACH_JAZZ
         select ARC32
         select ARCH_MAY_HAVE_PC_FDC
         select CEVT_R4K
+        select CSRC_R4K
         select GENERIC_ISA_DMA
         select IRQ_CPU
         select I8253
@@ -137,6 +142,7 @@ config MACH_JAZZ
 config LASAT
         bool "LASAT Networks platforms"
         select CEVT_R4K
+        select CSRC_R4K
         select DMA_NONCOHERENT
         select SYS_HAS_EARLY_PRINTK
         select HW_HAS_PCI
@@ -154,6 +160,7 @@ config LEMOTE_FULONG
         bool "Lemote Fulong mini-PC"
         select ARCH_SPARSEMEM_ENABLE
         select CEVT_R4K
+        select CSRC_R4K
         select SYS_HAS_CPU_LOONGSON2
         select DMA_NONCOHERENT
         select BOOT_ELF32
@@ -179,6 +186,7 @@ config MIPS_ATLAS
         bool "MIPS Atlas board"
         select BOOT_ELF32
         select CEVT_R4K
+        select CSRC_R4K
         select DMA_NONCOHERENT
         select SYS_HAS_EARLY_PRINTK
         select IRQ_CPU
@@ -210,6 +218,7 @@ config MIPS_MALTA
         select ARCH_MAY_HAVE_PC_FDC
         select BOOT_ELF32
         select CEVT_R4K
+        select CSRC_R4K
         select DMA_NONCOHERENT
         select GENERIC_ISA_DMA
         select IRQ_CPU
@@ -241,6 +250,7 @@ config MIPS_MALTA
 config MIPS_SEAD
         bool "MIPS SEAD board"
         select CEVT_R4K
+        select CSRC_R4K
         select IRQ_CPU
         select DMA_NONCOHERENT
         select SYS_HAS_EARLY_PRINTK
@@ -260,6 +270,7 @@ config MIPS_SEAD
 config MIPS_SIM
         bool 'MIPS simulator (MIPSsim)'
         select CEVT_R4K
+        select CSRC_R4K
         select DMA_NONCOHERENT
         select SYS_HAS_EARLY_PRINTK
         select IRQ_CPU
@@ -278,6 +289,7 @@ config MIPS_SIM
 config MARKEINS
         bool "NEC EMMA2RH Mark-eins"
         select CEVT_R4K
+        select CSRC_R4K
         select DMA_NONCOHERENT
         select HW_HAS_PCI
         select IRQ_CPU
@@ -293,6 +305,7 @@ config MARKEINS
 config MACH_VR41XX
         bool "NEC VR4100 series based machines"
         select CEVT_R4K
+        select CSRC_R4K
         select SYS_HAS_CPU_VR41XX
         select GENERIC_HARDIRQS_NO__DO_IRQ
 
@@ -330,6 +343,7 @@ config PMC_MSP
 config PMC_YOSEMITE
         bool "PMC-Sierra Yosemite eval board"
         select CEVT_R4K
+        select CSRC_R4K
         select DMA_COHERENT
         select HW_HAS_PCI
         select IRQ_CPU
@@ -351,6 +365,7 @@ config PMC_YOSEMITE
 config QEMU
         bool "Qemu"
         select CEVT_R4K
+        select CSRC_R4K
         select DMA_COHERENT
         select GENERIC_ISA_DMA
         select HAVE_STD_PC_SERIAL_PORT
@@ -382,6 +397,7 @@ config SGI_IP22
         select ARC32
         select BOOT_ELF32
         select CEVT_R4K
+        select CSRC_R4K
         select DMA_NONCOHERENT
         select HW_HAS_EISA
         select I8253
@@ -427,6 +443,7 @@ config SGI_IP32
         select ARC32
         select BOOT_ELF32
         select CEVT_R4K
+        select CSRC_R4K
         select DMA_NONCOHERENT
         select HW_HAS_PCI
         select IRQ_CPU
@@ -556,6 +573,7 @@ config SNI_RM
         select ARCH_MAY_HAVE_PC_FDC
         select BOOT_ELF32
         select CEVT_R4K
+        select CSRC_R4K
         select DMA_NONCOHERENT
         select GENERIC_ISA_DMA
         select HW_HAS_EISA
@@ -599,6 +617,7 @@ config TOSHIBA_JMR3927
 config TOSHIBA_RBTX4927
         bool "Toshiba RBTX49[23]7 board"
         select CEVT_R4K
+        select CSRC_R4K
         select CEVT_TXX9
         select DMA_NONCOHERENT
         select HAS_TXX9_SERIAL
@@ -621,6 +640,7 @@ config TOSHIBA_RBTX4927
 config TOSHIBA_RBTX4938
         bool "Toshiba RBTX4938 board"
         select CEVT_R4K
+        select CSRC_R4K
         select CEVT_TXX9
         select DMA_NONCOHERENT
         select HAS_TXX9_SERIAL
@@ -642,6 +662,7 @@ config TOSHIBA_RBTX4938
 config WR_PPMC
         bool "Wind River PPMC board"
         select CEVT_R4K
+        select CSRC_R4K
         select IRQ_CPU
         select BOOT_ELF32
         select DMA_NONCOHERENT
@@ -752,6 +773,9 @@ config CEVT_TXX9
 config CSRC_BCM1480
         bool
 
+config CSRC_R4K
+        bool
+
 config CSRC_SB1250
         bool
 
diff --git a/arch/mips/au1000/Kconfig b/arch/mips/au1000/Kconfig
index b36cec58a9a8..05d1354aad3a 100644
--- a/arch/mips/au1000/Kconfig
+++ b/arch/mips/au1000/Kconfig
@@ -138,6 +138,7 @@ config SOC_AU1X00
         bool
         select 64BIT_PHYS_ADDR
         select CEVT_R4K
+        select CSRC_R4K
         select IRQ_CPU
         select SYS_HAS_CPU_MIPS32_R1
         select SYS_SUPPORTS_32BIT_KERNEL
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index b551535b7e48..ffa08362de17 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -14,6 +14,7 @@ obj-$(CONFIG_CEVT_GT641XX)	+= cevt-gt641xx.o
 obj-$(CONFIG_CEVT_SB1250)       += cevt-sb1250.o
 obj-$(CONFIG_CEVT_TXX9)         += cevt-txx9.o
 obj-$(CONFIG_CSRC_BCM1480)      += csrc-bcm1480.o
+obj-$(CONFIG_CSRC_R4K)          += csrc-r4k.o
 obj-$(CONFIG_CSRC_SB1250)       += csrc-sb1250.o
 
 binfmt_irix-objs        := irixelf.o irixinv.o irixioctl.o irixsig.o    \
@@ -43,6 +44,7 @@ obj-$(CONFIG_CPU_TX49XX)	+= r4k_fpu.o r4k_switch.o
 obj-$(CONFIG_CPU_VR41XX)        += r4k_fpu.o r4k_switch.o
 
 obj-$(CONFIG_SMP)               += smp.o
+obj-$(CONFIG_SMP_UP)            += smp-up.o
 
 obj-$(CONFIG_MIPS_MT)           += mips-mt.o
 obj-$(CONFIG_MIPS_MT_FPAFF)     += mips-mt-fpaff.o
diff --git a/arch/mips/kernel/csrc-r4k.c b/arch/mips/kernel/csrc-r4k.c
new file mode 100644
index 000000000000..74c5c62365a8
--- /dev/null
+++ b/arch/mips/kernel/csrc-r4k.c
@@ -0,0 +1,29 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2007 by Ralf Baechle
+ */
+
+static cycle_t c0_hpt_read(void)
+{
+        return read_c0_count();
+}
+
+static struct clocksource clocksource_mips = {
+        .name           = "MIPS",
+        .read           = c0_hpt_read,
+        .mask           = CLOCKSOURCE_MASK(32),
+        .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
+};
+
+static void __init init_mips_clocksource(void)
+{
+        /* Calclate a somewhat reasonable rating value */
+        clocksource_mips.rating = 200 + mips_hpt_frequency / 10000000;
+
+        clocksource_set_clock(&clocksource_mips, mips_hpt_frequency);
+
+        clocksource_register(&clocksource_mips);
+}
diff --git a/arch/mips/kernel/smp-up.c b/arch/mips/kernel/smp-up.c
new file mode 100644
index 000000000000..ead6c30eeb14
--- /dev/null
+++ b/arch/mips/kernel/smp-up.c
@@ -0,0 +1,67 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2006, 07 by Ralf Baechle (ralf@linux-mips.org)
+ *
+ * Symmetric Uniprocessor (TM) Support
+ */
+#include <linux/kernel.h>
+#include <linux/sched.h>
+
+/*
+ * Send inter-processor interrupt
+ */
+void up_send_ipi_single(int cpu, unsigned int action)
+{
+        panic(KERN_ERR "%s called", __func__);
+}
+
+static inline void up_send_ipi_mask(cpumask_t mask, unsigned int action)
+{
+        panic(KERN_ERR "%s called", __func__);
+}
+
+/*
+ *  After we've done initial boot, this function is called to allow the
+ *  board code to clean up state, if needed
+ */
+void __cpuinit up_init_secondary(void)
+{
+}
+
+void __cpuinit up_smp_finish(void)
+{
+}
+
+/* Hook for after all CPUs are online */
+void up_cpus_done(void)
+{
+}
+
+/*
+ * Firmware CPU startup hook
+ */
+void __cpuinit up_boot_secondary(int cpu, struct task_struct *idle)
+{
+}
+
+void __init up_smp_setup(void)
+{
+}
+
+void __init up_prepare_cpus(unsigned int max_cpus)
+{
+}
+
+struct plat_smp_ops up_smp_ops = {
+        .send_ipi_single        = up_send_ipi_single,
+        .send_ipi_mask          = up_send_ipi_mask,
+        .init_secondary         = up_init_secondary,
+        .smp_finish             = up_smp_finish,
+        .cpus_done              = up_cpus_done,
+        .boot_secondary         = up_boot_secondary,
+        .smp_setup              = up_smp_setup,
+        .prepare_cpus           = up_prepare_cpus,
+};
diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c
index d7d52efff51f..52075426c373 100644
--- a/arch/mips/kernel/time.c
+++ b/arch/mips/kernel/time.c
@@ -50,14 +50,6 @@ int update_persistent_clock(struct timespec now)
         return rtc_mips_set_mmss(now.tv_sec);
 }
 
-/*
- * High precision timer functions for a R4k-compatible timer.
- */
-static cycle_t c0_hpt_read(void)
-{
-        return read_c0_count();
-}
-
 int (*mips_timer_state)(void);
 
 int null_perf_irq(void)
@@ -84,13 +76,6 @@ EXPORT_SYMBOL(perf_irq);
 
 unsigned int mips_hpt_frequency;
 
-static struct clocksource clocksource_mips = {
-        .name           = "MIPS",
-        .read           = c0_hpt_read,
-        .mask           = CLOCKSOURCE_MASK(32),
-        .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
-};
-
 void __init clocksource_set_clock(struct clocksource *cs, unsigned int clock)
 {
         u64 temp;
@@ -124,16 +109,6 @@ void __cpuinit clockevent_set_clock(struct clock_event_device *cd,
         cd->mult = (u32) temp;
 }
 
-static void __init init_mips_clocksource(void)
-{
-        /* Calclate a somewhat reasonable rating value */
-        clocksource_mips.rating = 200 + mips_hpt_frequency / 10000000;
-
-        clocksource_set_clock(&clocksource_mips, mips_hpt_frequency);
-
-        clocksource_register(&clocksource_mips);
-}
-
 void __init __weak plat_time_init(void)
 {
 }
diff --git a/arch/mips/pmc-sierra/Kconfig b/arch/mips/pmc-sierra/Kconfig
index 6b293ce0935f..90261b83db04 100644
--- a/arch/mips/pmc-sierra/Kconfig
+++ b/arch/mips/pmc-sierra/Kconfig
@@ -5,12 +5,14 @@ choice
 config PMC_MSP4200_EVAL
         bool "PMC-Sierra MSP4200 Eval Board"
         select CEVT_R4K
+        select CSRC_R4K
         select IRQ_MSP_SLP
         select HW_HAS_PCI
 
 config PMC_MSP4200_GW
         bool "PMC-Sierra MSP4200 VoIP Gateway"
         select CEVT_R4K
+        select CSRC_R4K
         select IRQ_MSP_SLP
         select HW_HAS_PCI
 
diff --git a/arch/mips/vr41xx/Kconfig b/arch/mips/vr41xx/Kconfig
index eeb089f20c0d..559acc09c819 100644
--- a/arch/mips/vr41xx/Kconfig
+++ b/arch/mips/vr41xx/Kconfig
@@ -6,6 +6,7 @@ choice
 config CASIO_E55
         bool "CASIO CASSIOPEIA E-10/15/55/65"
         select CEVT_R4K
+        select CSRC_R4K
         select DMA_NONCOHERENT
         select IRQ_CPU
         select ISA
@@ -15,6 +16,7 @@ config CASIO_E55
 config IBM_WORKPAD
         bool "IBM WorkPad z50"
         select CEVT_R4K
+        select CSRC_R4K
         select DMA_NONCOHERENT
         select IRQ_CPU
         select ISA
@@ -24,6 +26,7 @@ config IBM_WORKPAD
 config NEC_CMBVR4133
         bool "NEC CMB-VR4133"
         select CEVT_R4K
+        select CSRC_R4K
         select DMA_NONCOHERENT
         select IRQ_CPU
         select HW_HAS_PCI
@@ -33,6 +36,7 @@ config NEC_CMBVR4133
 config TANBAC_TB022X
         bool "TANBAC VR4131 multichip module and TANBAC VR4131DIMM"
         select CEVT_R4K
+        select CSRC_R4K
         select DMA_NONCOHERENT
         select IRQ_CPU
         select HW_HAS_PCI
@@ -48,6 +52,7 @@ config TANBAC_TB022X
 config VICTOR_MPC30X
         bool "Victor MP-C303/304"
         select CEVT_R4K
+        select CSRC_R4K
         select DMA_NONCOHERENT
         select IRQ_CPU
         select HW_HAS_PCI
@@ -58,6 +63,7 @@ config VICTOR_MPC30X
 config ZAO_CAPCELLA
         bool "ZAO Networks Capcella"
         select CEVT_R4K
+        select CSRC_R4K
         select DMA_NONCOHERENT
         select IRQ_CPU
         select HW_HAS_PCI