Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / arch / mips / kernel / setup.c

diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 6018ca2..397a70e 100644 (file)
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -33,15 +33,18 @@
 #include <linux/root_dev.h>
 #include <linux/highmem.h>
 #include <linux/console.h>
+#include <linux/mmzone.h>
+#include <linux/pfn.h>
 
 #include <asm/addrspace.h>
 #include <asm/bootinfo.h>
+#include <asm/cache.h>
 #include <asm/cpu.h>
 #include <asm/sections.h>
 #include <asm/setup.h>
 #include <asm/system.h>
 
-struct cpuinfo_mips cpu_data[NR_CPUS];
+struct cpuinfo_mips cpu_data[NR_CPUS] __read_mostly;
 
 EXPORT_SYMBOL(cpu_data);
 
@@ -61,8 +64,8 @@ EXPORT_SYMBOL(PCI_DMA_BUS_IS_PHYS);
  *
  * These are initialized so they are in the .data section
  */
-unsigned long mips_machtype = MACH_UNKNOWN;
-unsigned long mips_machgroup = MACH_GROUP_UNKNOWN;
+unsigned long mips_machtype __read_mostly = MACH_UNKNOWN;
+unsigned long mips_machgroup __read_mostly = MACH_GROUP_UNKNOWN;
 
 EXPORT_SYMBOL(mips_machtype);
 EXPORT_SYMBOL(mips_machgroup);
@@ -76,7 +79,7 @@ static char command_line[CL_SIZE];
  * mips_io_port_base is the begin of the address space to which x86 style
  * I/O ports are mapped.
  */
-const unsigned long mips_io_port_base = -1;
+const unsigned long mips_io_port_base __read_mostly = -1;
 EXPORT_SYMBOL(mips_io_port_base);
 
 /*
@@ -240,10 +243,10 @@ static inline int parse_rd_cmdline(unsigned long* rd_start, unsigned long* rd_en
        if (*tmp)
                strcat(command_line, tmp);
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
        /* HACK: Guess if the sign extension was forgotten */
        if (start > 0x0000000080000000 && start < 0x00000000ffffffff)
-               start |= 0xffffffff00000000;
+               start |= 0xffffffff00000000UL;
 #endif
 
        end = start + size;
@@ -255,10 +258,6 @@ static inline int parse_rd_cmdline(unsigned long* rd_start, unsigned long* rd_en
        return 0;
 }
 
-#define PFN_UP(x)      (((x) + PAGE_SIZE - 1) >> PAGE_SHIFT)
-#define PFN_DOWN(x)    ((x) >> PAGE_SHIFT)
-#define PFN_PHYS(x)    ((x) << PAGE_SHIFT)
-
 #define MAXMEM         HIGHMEM_START
 #define MAXMEM_PFN     PFN_DOWN(MAXMEM)
 
@@ -409,6 +408,7 @@ static inline void bootmem_init(void)
 
                /* Register lowmem ranges */
                free_bootmem(PFN_PHYS(curr_pfn), PFN_PHYS(size));
+               memory_present(0, curr_pfn, curr_pfn + size - 1);
        }
 
        /* Reserve the bootmap memory.  */
@@ -418,17 +418,20 @@ static inline void bootmem_init(void)
 #ifdef CONFIG_BLK_DEV_INITRD
        initrd_below_start_ok = 1;
        if (initrd_start) {
-               unsigned long initrd_size = ((unsigned char *)initrd_end) - ((unsigned char *)initrd_start);
+               unsigned long initrd_size = ((unsigned char *)initrd_end) -
+                       ((unsigned char *)initrd_start);
+               const int width = sizeof(long) * 2;
+
                printk("Initial ramdisk at: 0x%p (%lu bytes)\n",
                       (void *)initrd_start, initrd_size);
 
                if (CPHYSADDR(initrd_end) > PFN_PHYS(max_low_pfn)) {
                        printk("initrd extends beyond end of memory "
                               "(0x%0*Lx > 0x%0*Lx)\ndisabling initrd\n",
-                              sizeof(long) * 2,
-                              (unsigned long long)CPHYSADDR(initrd_end),
-                              sizeof(long) * 2,
-                              (unsigned long long)PFN_PHYS(max_low_pfn));
+                              width,
+                              (unsigned long long) CPHYSADDR(initrd_end),
+                              width,
+                              (unsigned long long) PFN_PHYS(max_low_pfn));
                        initrd_start = initrd_end = 0;
                        initrd_reserve_bootmem = 0;
                }
@@ -443,21 +446,10 @@ static inline void resource_init(void)
 {
        int i;
 
-#if defined(CONFIG_MIPS64) && !defined(CONFIG_BUILD_ELF64)
-       /*
-        * The 64bit code in 32bit object format trick can't represent
-        * 64bit wide relocations for linker script symbols.
-        */
-       code_resource.start = CPHYSADDR(&_text);
-       code_resource.end = CPHYSADDR(&_etext) - 1;
-       data_resource.start = CPHYSADDR(&_etext);
-       data_resource.end = CPHYSADDR(&_edata) - 1;
-#else
        code_resource.start = virt_to_phys(&_text);
        code_resource.end = virt_to_phys(&_etext) - 1;
        data_resource.start = virt_to_phys(&_etext);
        data_resource.end = virt_to_phys(&_edata) - 1;
-#endif
 
        /*
         * Request address space for all standard RAM.
@@ -500,38 +492,10 @@ static inline void resource_init(void)
        }
 }
 
-#undef PFN_UP
-#undef PFN_DOWN
-#undef PFN_PHYS
-
 #undef MAXMEM
 #undef MAXMEM_PFN
 
-static int __initdata earlyinit_debug;
-
-static int __init earlyinit_debug_setup(char *str)
-{
-       earlyinit_debug = 1;
-       return 1;
-}
-__setup("earlyinit_debug", earlyinit_debug_setup);
-
-extern initcall_t __earlyinitcall_start, __earlyinitcall_end;
-
-static void __init do_earlyinitcalls(void)
-{
-       initcall_t *call, *start, *end;
-
-       start = &__earlyinitcall_start;
-       end = &__earlyinitcall_end;
-
-       for (call = start; call < end; call++) {
-               if (earlyinit_debug)
-                       printk("calling earlyinitcall 0x%p\n", *call);
-
-               (*call)();
-       }
-}
+extern void plat_setup(void);
 
 void __init setup_arch(char **cmdline_p)
 {
@@ -548,7 +512,7 @@ void __init setup_arch(char **cmdline_p)
 #endif
 
        /* call board setup routine */
-       do_earlyinitcalls();
+       plat_setup();
 
        strlcpy(command_line, arcs_cmdline, sizeof(command_line));
        strlcpy(saved_command_line, command_line, COMMAND_LINE_SIZE);
@@ -557,15 +521,31 @@ void __init setup_arch(char **cmdline_p)
 
        parse_cmdline_early();
        bootmem_init();
+       sparse_init();
        paging_init();
        resource_init();
+#ifdef CONFIG_SMP
+       plat_smp_setup();
+#endif
 }
 
 int __init fpu_disable(char *s)
 {
-       cpu_data[0].options &= ~MIPS_CPU_FPU;
+       int i;
+
+       for (i = 0; i < NR_CPUS; i++)
+               cpu_data[i].options &= ~MIPS_CPU_FPU;
 
        return 1;
 }
 
 __setup("nofpu", fpu_disable);
+
+int __init dsp_disable(char *s)
+{
+       cpu_data[0].ases &= ~MIPS_ASE_DSP;
+
+       return 1;
+}
+
+__setup("nodsp", dsp_disable);