x86: use early_memremap() in setup.c

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / setup.c

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 161f1b33ecec0ccae3cd8dfaf36df52249d9c98e..de6a9d6d599fe435de11fb89b66659a74c3e5b42 100644 (file)
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -223,6 +223,9 @@ unsigned long saved_video_mode;
 #define RAMDISK_LOAD_FLAG              0x4000
 
 static char __initdata command_line[COMMAND_LINE_SIZE];
+#ifdef CONFIG_CMDLINE_BOOL
+static char __initdata builtin_cmdline[COMMAND_LINE_SIZE] = CONFIG_CMDLINE;
+#endif
 
 #if defined(CONFIG_EDD) || defined(CONFIG_EDD_MODULE)
 struct edd edd;
@@ -299,7 +302,7 @@ static void __init relocate_initrd(void)
                if (clen > MAX_MAP_CHUNK-slop)
                        clen = MAX_MAP_CHUNK-slop;
                mapaddr = ramdisk_image & PAGE_MASK;
-               p = early_ioremap(mapaddr, clen+slop);
+               p = early_memremap(mapaddr, clen+slop);
                memcpy(q, p+slop, clen);
                early_iounmap(p, clen+slop);
                q += clen;
@@ -376,7 +379,7 @@ static void __init parse_setup_data(void)
                return;
        pa_data = boot_params.hdr.setup_data;
        while (pa_data) {
-               data = early_ioremap(pa_data, PAGE_SIZE);
+               data = early_memremap(pa_data, PAGE_SIZE);
                switch (data->type) {
                case SETUP_E820_EXT:
                        parse_e820_ext(data, pa_data);
@@ -399,7 +402,7 @@ static void __init e820_reserve_setup_data(void)
                return;
        pa_data = boot_params.hdr.setup_data;
        while (pa_data) {
-               data = early_ioremap(pa_data, sizeof(*data));
+               data = early_memremap(pa_data, sizeof(*data));
                e820_update_range(pa_data, sizeof(*data)+data->len,
                         E820_RAM, E820_RESERVED_KERN);
                found = 1;
@@ -425,7 +428,7 @@ static void __init reserve_early_setup_data(void)
                return;
        pa_data = boot_params.hdr.setup_data;
        while (pa_data) {
-               data = early_ioremap(pa_data, sizeof(*data));
+               data = early_memremap(pa_data, sizeof(*data));
                sprintf(buf, "setup data %x", data->type);
                reserve_early(pa_data, pa_data+sizeof(*data)+data->len, buf);
                pa_data = data->next;
@@ -735,7 +738,8 @@ static int __init dmi_low_memory_corruption(const struct dmi_system_id *d)
                "%s detected: BIOS may corrupt low RAM, working it around.\n",
                d->ident);
 
-       reserve_early_overlap_ok(0x0, 0x10000, "BIOS quirk");
+       e820_update_range(0, 0x10000, E820_RAM, E820_RESERVED);
+       sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
 
        return 0;
 }
@@ -757,8 +761,8 @@ static struct dmi_system_id __initdata bad_bios_dmi_table[] = {
                        DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies, LTD"),
                },
        },
-       {}
 #endif
+       {}
 };
 
 /*
@@ -784,8 +788,6 @@ void __init setup_arch(char **cmdline_p)
        printk(KERN_INFO "Command line: %s\n", boot_command_line);
 #endif
 
-       dmi_check_system(bad_bios_dmi_table);
-
        early_cpu_init();
        early_ioremap_init();
 
@@ -850,11 +852,28 @@ void __init setup_arch(char **cmdline_p)
        bss_resource.start = virt_to_phys(&__bss_start);
        bss_resource.end = virt_to_phys(&__bss_stop)-1;
 
+#ifdef CONFIG_CMDLINE_BOOL
+#ifdef CONFIG_CMDLINE_OVERRIDE
+       strlcpy(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE);
+#else
+       if (builtin_cmdline[0]) {
+               /* append boot loader cmdline to builtin */
+               strlcat(builtin_cmdline, " ", COMMAND_LINE_SIZE);
+               strlcat(builtin_cmdline, boot_command_line, COMMAND_LINE_SIZE);
+               strlcpy(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE);
+       }
+#endif
+#endif
+
        strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
        *cmdline_p = command_line;
 
        parse_early_param();
 
+#ifdef CONFIG_X86_64
+       check_efer();
+#endif
+
 #if defined(CONFIG_VMI) && defined(CONFIG_X86_32)
        /*
         * Must be before kernel pagetables are setup
@@ -880,6 +899,10 @@ void __init setup_arch(char **cmdline_p)
 
        finish_e820_parsing();
 
+       dmi_scan_machine();
+
+       dmi_check_system(bad_bios_dmi_table);
+
 #ifdef CONFIG_X86_32
        probe_roms();
 #endif
@@ -923,7 +946,8 @@ void __init setup_arch(char **cmdline_p)
 #else
        num_physpages = max_pfn;
 
-       check_efer();
+       if (cpu_has_x2apic)
+               check_x2apic();
 
        /* How many end-of-memory variables you have, grandma! */
        /* need this before calling reserve_initrd */
@@ -967,8 +991,6 @@ void __init setup_arch(char **cmdline_p)
        vsmp_init();
 #endif
 
-       dmi_scan_machine();
-
        io_delay_init();
 
        /*