Merge tag 'for-3.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb...

[karo-tx-linux.git] / arch / arm / kernel / setup.c

diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 3448a3f9cc8c90ae71809075f1cc9c2d313fe167..a255c39612ca3cfa10bddb7c7728216efeeb04d5 100644 (file)
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -21,7 +21,6 @@
 #include <linux/init.h>
 #include <linux/kexec.h>
 #include <linux/of_fdt.h>
-#include <linux/crash_dump.h>
 #include <linux/root_dev.h>
 #include <linux/cpu.h>
 #include <linux/interrupt.h>
@@ -31,6 +30,7 @@
 #include <linux/memblock.h>
 #include <linux/bug.h>
 #include <linux/compiler.h>
+#include <linux/sort.h>
 
 #include <asm/unified.h>
 #include <asm/cpu.h>
@@ -52,6 +52,7 @@
 #include <asm/mach/time.h>
 #include <asm/traps.h>
 #include <asm/unwind.h>
+#include <asm/memblock.h>
 
 #if defined(CONFIG_DEPRECATED_PARAM_STRUCT)
 #include "compat.h"
@@ -158,7 +159,7 @@ static struct resource mem_res[] = {
                .flags = IORESOURCE_MEM
        },
        {
-               .name = "Kernel text",
+               .name = "Kernel code",
                .start = 0,
                .end = 0,
                .flags = IORESOURCE_MEM
@@ -425,6 +426,20 @@ void cpu_init(void)
            : "r14");
 }
 
+int __cpu_logical_map[NR_CPUS];
+
+void __init smp_setup_processor_id(void)
+{
+       int i;
+       u32 cpu = is_smp() ? read_cpuid_mpidr() & 0xff : 0;
+
+       cpu_logical_map(0) = cpu;
+       for (i = 1; i < NR_CPUS; ++i)
+               cpu_logical_map(i) = i == cpu ? 0 : i;
+
+       printk(KERN_INFO "Booting Linux on physical CPU %d\n", cpu);
+}
+
 static void __init setup_processor(void)
 {
        struct proc_info_list *list;
@@ -890,13 +905,17 @@ static struct machine_desc * __init setup_machine_tags(unsigned int nr)
        return mdesc;
 }
 
+static int __init meminfo_cmp(const void *_a, const void *_b)
+{
+       const struct membank *a = _a, *b = _b;
+       long cmp = bank_pfn_start(a) - bank_pfn_start(b);
+       return cmp < 0 ? -1 : cmp > 0 ? 1 : 0;
+}
 
 void __init setup_arch(char **cmdline_p)
 {
        struct machine_desc *mdesc;
 
-       unwind_init();
-
        setup_processor();
        mdesc = setup_machine_fdt(__atags_pointer);
        if (!mdesc)
@@ -904,8 +923,14 @@ void __init setup_arch(char **cmdline_p)
        machine_desc = mdesc;
        machine_name = mdesc->name;
 
-       if (mdesc->soft_reboot)
-               reboot_setup("s");
+#ifdef CONFIG_ZONE_DMA
+       if (mdesc->dma_zone_size) {
+               extern unsigned long arm_dma_zone_size;
+               arm_dma_zone_size = mdesc->dma_zone_size;
+       }
+#endif
+       if (mdesc->restart_mode)
+               reboot_setup(&mdesc->restart_mode);
 
        init_mm.start_code = (unsigned long) _text;
        init_mm.end_code   = (unsigned long) _etext;
@@ -918,12 +943,16 @@ void __init setup_arch(char **cmdline_p)
 
        parse_early_param();
 
+       sort(&meminfo.bank, meminfo.nr_banks, sizeof(meminfo.bank[0]), meminfo_cmp, NULL);
        sanity_check_meminfo();
        arm_memblock_init(&meminfo, mdesc);
 
        paging_init(mdesc);
        request_standard_resources(mdesc);
 
+       if (mdesc->restart)
+               arm_pm_restart = mdesc->restart;
+
        unflatten_device_tree();
 
 #ifdef CONFIG_SMP
@@ -934,12 +963,6 @@ void __init setup_arch(char **cmdline_p)
 
        tcm_init();
 
-#ifdef CONFIG_ZONE_DMA
-       if (mdesc->dma_zone_size) {
-               extern unsigned long arm_dma_zone_size;
-               arm_dma_zone_size = mdesc->dma_zone_size;
-       }
-#endif
 #ifdef CONFIG_MULTI_IRQ_HANDLER
        handle_arch_irq = mdesc->handle_irq;
 #endif