Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
authorLinus Torvalds <torvalds@woody.linux-foundation.org>
Fri, 11 Jan 2008 19:48:00 +0000 (11:48 -0800)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Fri, 11 Jan 2008 19:48:00 +0000 (11:48 -0800)
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] Replace 40c7869b693b18412491fdcff64682215b739f9e kludge
  [MIPS] Lasat: Fix built in separate object directory.
  [MIPS] Malta: Fix software reset on big endian
  [MIPS] pnx8xxx: move to clocksource
  [MIPS] Wrong CONFIG option prevents setup of DMA zone.

arch/mips/kernel/setup.c
arch/mips/lasat/image/Makefile
arch/mips/mips-boards/generic/memory.c
arch/mips/mips-boards/generic/reset.c
arch/mips/mm/dma-default.c
arch/mips/philips/pnx8550/common/time.c

index 7f6ddcb..f8a535a 100644 (file)
@@ -269,7 +269,7 @@ static void __init bootmem_init(void)
 
 static void __init bootmem_init(void)
 {
-       unsigned long init_begin, reserved_end;
+       unsigned long reserved_end;
        unsigned long mapstart = ~0UL;
        unsigned long bootmap_size;
        int i;
@@ -344,7 +344,6 @@ static void __init bootmem_init(void)
                                         min_low_pfn, max_low_pfn);
 
 
-       init_begin = PFN_UP(__pa_symbol(&__init_begin));
        for (i = 0; i < boot_mem_map.nr_map; i++) {
                unsigned long start, end;
 
@@ -352,8 +351,8 @@ static void __init bootmem_init(void)
                end = PFN_DOWN(boot_mem_map.map[i].addr
                                + boot_mem_map.map[i].size);
 
-               if (start <= init_begin)
-                       start = init_begin;
+               if (start <= min_low_pfn)
+                       start = min_low_pfn;
                if (start >= end)
                        continue;
 
index 5332449..460626b 100644 (file)
@@ -12,11 +12,11 @@ endif
 
 MKLASATIMG = mklasatimg
 MKLASATIMG_ARCH = mq2,mqpro,sp100,sp200
-KERNEL_IMAGE = $(TOPDIR)/vmlinux
+KERNEL_IMAGE = vmlinux
 KERNEL_START = $(shell $(NM) $(KERNEL_IMAGE) | grep " _text" | cut -f1 -d\ )
 KERNEL_ENTRY = $(shell $(NM) $(KERNEL_IMAGE) | grep kernel_entry | cut -f1 -d\ )
 
-LDSCRIPT= -L$(obj) -Tromscript.normal
+LDSCRIPT= -L$(srctree)/$(src) -Tromscript.normal
 
 HEAD_DEFINES := -D_kernel_start=0x$(KERNEL_START) \
                -D_kernel_entry=0x$(KERNEL_ENTRY) \
@@ -24,7 +24,7 @@ HEAD_DEFINES := -D_kernel_start=0x$(KERNEL_START) \
                -D TIMESTAMP=$(shell date +%s)
 
 $(obj)/head.o: $(obj)/head.S $(KERNEL_IMAGE)
-       $(CC) -fno-pic $(HEAD_DEFINES) -I$(TOPDIR)/include -c -o $@ $<
+       $(CC) -fno-pic $(HEAD_DEFINES) $(LINUXINCLUDE) -c -o $@ $<
 
 OBJECTS = head.o kImage.o
 
index 2c5c27c..dc272c1 100644 (file)
@@ -169,7 +169,6 @@ void __init prom_meminit(void)
 
 void __init prom_free_prom_memory(void)
 {
-#if 0 /* for now ...  */
        unsigned long addr;
        int i;
 
@@ -181,5 +180,4 @@ void __init prom_free_prom_memory(void)
                free_init_pages("prom memory",
                                addr, addr + boot_mem_map.map[i].size);
        }
-#endif
 }
index 7a1bb51..583d468 100644 (file)
@@ -39,16 +39,18 @@ static void atlas_machine_power_off(void);
 
 static void mips_machine_restart(char *command)
 {
-       unsigned int __iomem *softres_reg = ioremap(SOFTRES_REG, sizeof(unsigned int));
+       unsigned int __iomem *softres_reg =
+               ioremap(SOFTRES_REG, sizeof(unsigned int));
 
-       writew(GORESET, softres_reg);
+       __raw_writel(GORESET, softres_reg);
 }
 
 static void mips_machine_halt(void)
 {
-        unsigned int __iomem *softres_reg = ioremap(SOFTRES_REG, sizeof(unsigned int));
+       unsigned int __iomem *softres_reg =
+               ioremap(SOFTRES_REG, sizeof(unsigned int));
 
-       writew(GORESET, softres_reg);
+       __raw_writel(GORESET, softres_reg);
 }
 
 #if defined(CONFIG_MIPS_ATLAS)
index ae76795..810535d 100644 (file)
@@ -45,7 +45,7 @@ static gfp_t massage_gfp_flags(const struct device *dev, gfp_t gfp)
        /* ignore region specifiers */
        gfp &= ~(__GFP_DMA | __GFP_DMA32 | __GFP_HIGHMEM);
 
-#ifdef CONFIG_ZONE_DMA32
+#ifdef CONFIG_ZONE_DMA
        if (dev == NULL)
                gfp |= __GFP_DMA;
        else if (dev->coherent_dma_mask < DMA_BIT_MASK(24))
index e818fd0..6d494e0 100644 (file)
@@ -22,7 +22,6 @@
 #include <linux/kernel_stat.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
-#include <linux/module.h>
 
 #include <asm/bootinfo.h>
 #include <asm/cpu.h>
@@ -41,11 +40,60 @@ static cycle_t hpt_read(void)
        return read_c0_count2();
 }
 
+static struct clocksource pnx_clocksource = {
+       .name           = "pnx8xxx",
+       .rating         = 200,
+       .read           = hpt_read,
+       .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
+};
+
 static void timer_ack(void)
 {
        write_c0_compare(cpj);
 }
 
+static irqreturn_t pnx8xxx_timer_interrupt(int irq, void *dev_id)
+{
+       struct clock_event_device *c = dev_id;
+
+       /* clear MATCH, signal the event */
+       c->event_handler(c);
+
+       return IRQ_HANDLED;
+}
+
+static struct irqaction pnx8xxx_timer_irq = {
+       .handler        = pnx8xxx_timer_interrupt,
+       .flags          = IRQF_DISABLED | IRQF_PERCPU,
+       .name           = "pnx8xxx_timer",
+};
+
+static irqreturn_t monotonic_interrupt(int irq, void *dev_id)
+{
+       /* Timer 2 clear interrupt */
+       write_c0_compare2(-1);
+       return IRQ_HANDLED;
+}
+
+static struct irqaction monotonic_irqaction = {
+       .handler = monotonic_interrupt,
+       .flags = IRQF_DISABLED,
+       .name = "Monotonic timer",
+};
+
+static int pnx8xxx_set_next_event(unsigned long delta,
+                               struct clock_event_device *evt)
+{
+       write_c0_compare(delta);
+       return 0;
+}
+
+static struct clock_event_device pnx8xxx_clockevent = {
+       .name           = "pnx8xxx_clockevent",
+       .features       = CLOCK_EVT_FEAT_ONESHOT,
+       .set_next_event = pnx8xxx_set_next_event,
+};
+
 /*
  * plat_time_init() - it does the following things:
  *
@@ -58,11 +106,34 @@ static void timer_ack(void)
 
 __init void plat_time_init(void)
 {
+       unsigned int             configPR;
        unsigned int             n;
        unsigned int             m;
        unsigned int             p;
        unsigned int             pow2p;
 
+       clockevents_register_device(&pnx8xxx_clockevent);
+       clocksource_register(&pnx_clocksource);
+
+       setup_irq(PNX8550_INT_TIMER1, &pnx8xxx_timer_irq);
+       setup_irq(PNX8550_INT_TIMER2, &monotonic_irqaction);
+
+       /* Timer 1 start */
+       configPR = read_c0_config7();
+       configPR &= ~0x00000008;
+       write_c0_config7(configPR);
+
+       /* Timer 2 start */
+       configPR = read_c0_config7();
+       configPR &= ~0x00000010;
+       write_c0_config7(configPR);
+
+       /* Timer 3 stop */
+       configPR = read_c0_config7();
+       configPR |= 0x00000020;
+       write_c0_config7(configPR);
+
+
         /* PLL0 sets MIPS clock (PLL1 <=> TM1, PLL6 <=> TM2, PLL5 <=> mem) */
         /* (but only if CLK_MIPS_CTL select value [bits 3:1] is 1:  FIXME) */
 
@@ -87,42 +158,6 @@ __init void plat_time_init(void)
        write_c0_count2(0);
        write_c0_compare2(0xffffffff);
 
-       clocksource_mips.read = hpt_read;
-       mips_timer_ack = timer_ack;
-}
-
-static irqreturn_t monotonic_interrupt(int irq, void *dev_id)
-{
-       /* Timer 2 clear interrupt */
-       write_c0_compare2(-1);
-       return IRQ_HANDLED;
 }
 
-static struct irqaction monotonic_irqaction = {
-       .handler = monotonic_interrupt,
-       .flags = IRQF_DISABLED,
-       .name = "Monotonic timer",
-};
 
-void __init plat_timer_setup(struct irqaction *irq)
-{
-       int configPR;
-
-       setup_irq(PNX8550_INT_TIMER1, irq);
-       setup_irq(PNX8550_INT_TIMER2, &monotonic_irqaction);
-
-       /* Timer 1 start */
-       configPR = read_c0_config7();
-       configPR &= ~0x00000008;
-       write_c0_config7(configPR);
-
-       /* Timer 2 start */
-       configPR = read_c0_config7();
-       configPR &= ~0x00000010;
-       write_c0_config7(configPR);
-
-       /* Timer 3 stop */
-       configPR = read_c0_config7();
-       configPR |= 0x00000020;
-       write_c0_config7(configPR);
-}