Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

1 files changed, 44 insertions, 173 deletions

diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index c27729135935..c14a3e95d0b1 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -21,8 +21,10 @@
 #include <linux/fs.h>
 #include <linux/mm.h>
 #include <linux/kexec.h>
+#include <linux/module.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>
+#include <asm/page.h>
 #include <asm/sections.h>
 #include <asm/irq.h>
 #include <asm/setup.h>
@@ -41,20 +43,19 @@ extern void * __rd_start, * __rd_end;
  * The bigger value means no problem.
  */
 struct sh_cpuinfo boot_cpu_data = { CPU_SH_NONE, 10000000, };
+
+/*
+ * The machine vector. First entry in .machvec.init, or clobbered by
+ * sh_mv= on the command line, prior to .machvec.init teardown.
+ */
+struct sh_machine_vector sh_mv = { .mv_name = "generic", };
+
 #ifdef CONFIG_VT
 struct screen_info screen_info;
 #endif
 
-#if defined(CONFIG_SH_UNKNOWN)
-struct sh_machine_vector sh_mv;
-#endif
-
 extern int root_mountflags;
 
-#define MV_NAME_SIZE 32
-
-static struct sh_machine_vector* __init get_mv_byname(const char* name);
-
 /*
  * This is set up by the setup-routine at boot-time
  */
@@ -78,133 +79,23 @@ static char __initdata command_line[COMMAND_LINE_SIZE] = { 0, };
 static struct resource code_resource = { .name = "Kernel code", };
 static struct resource data_resource = { .name = "Kernel data", };
 
-unsigned long memory_start, memory_end;
+unsigned long memory_start;
+EXPORT_SYMBOL(memory_start);
 
-static inline void parse_cmdline (char ** cmdline_p, char mv_name[MV_NAME_SIZE],
-				  struct sh_machine_vector** mvp,
-				  unsigned long *mv_io_base)
-{
-	char c = ' ', *to = command_line, *from = COMMAND_LINE;
-	int len = 0;
+unsigned long memory_end;
+EXPORT_SYMBOL(memory_end);
 
-	/* Save unparsed command line copy for /proc/cmdline */
-	memcpy(boot_command_line, COMMAND_LINE, COMMAND_LINE_SIZE);
-	boot_command_line[COMMAND_LINE_SIZE-1] = '\0';
-
-	memory_start = (unsigned long)PAGE_OFFSET+__MEMORY_START;
-	memory_end = memory_start + __MEMORY_SIZE;
-
-	for (;;) {
-		/*
-		 * "mem=XXX[kKmM]" defines a size of memory.
-		 */
-		if (c == ' ' && !memcmp(from, "mem=", 4)) {
-			if (to != command_line)
-				to--;
-			{
-				unsigned long mem_size;
-
-				mem_size = memparse(from+4, &from);
-				memory_end = memory_start + mem_size;
-			}
-		}
-
-		if (c == ' ' && !memcmp(from, "sh_mv=", 6)) {
-			char* mv_end;
-			char* mv_comma;
-			int mv_len;
-			if (to != command_line)
-				to--;
-			from += 6;
-			mv_end = strchr(from, ' ');
-			if (mv_end == NULL)
-				mv_end = from + strlen(from);
-
-			mv_comma = strchr(from, ',');
-			if ((mv_comma != NULL) && (mv_comma < mv_end)) {
-				int ints[3];
-				get_options(mv_comma+1, ARRAY_SIZE(ints), ints);
-				*mv_io_base = ints[1];
-				mv_len = mv_comma - from;
-			} else {
-				mv_len = mv_end - from;
-			}
-			if (mv_len > (MV_NAME_SIZE-1))
-				mv_len = MV_NAME_SIZE-1;
-			memcpy(mv_name, from, mv_len);
-			mv_name[mv_len] = '\0';
-			from = mv_end;
-
-			*mvp = get_mv_byname(mv_name);
-		}
-
-		c = *(from++);
-		if (!c)
-			break;
-		if (COMMAND_LINE_SIZE <= ++len)
-			break;
-		*(to++) = c;
-	}
-	*to = '\0';
-	*cmdline_p = command_line;
-}
-
-static int __init sh_mv_setup(char **cmdline_p)
+static int __init early_parse_mem(char *p)
 {
-#ifdef CONFIG_SH_UNKNOWN
-	extern struct sh_machine_vector mv_unknown;
-#endif
-	struct sh_machine_vector *mv = NULL;
-	char mv_name[MV_NAME_SIZE] = "";
-	unsigned long mv_io_base = 0;
-
-	parse_cmdline(cmdline_p, mv_name, &mv, &mv_io_base);
-
-#ifdef CONFIG_SH_UNKNOWN
-	if (mv == NULL) {
-		mv = &mv_unknown;
-		if (*mv_name != '\0') {
-			printk("Warning: Unsupported machine %s, using unknown\n",
-			       mv_name);
-		}
-	}
-	sh_mv = *mv;
-#endif
-
-	/*
-	 * Manually walk the vec, fill in anything that the board hasn't yet
-	 * by hand, wrapping to the generic implementation.
-	 */
-#define mv_set(elem) do { \
-	if (!sh_mv.mv_##elem) \
-		sh_mv.mv_##elem = generic_##elem; \
-} while (0)
-
-	mv_set(inb);	mv_set(inw);	mv_set(inl);
-	mv_set(outb);	mv_set(outw);	mv_set(outl);
-
-	mv_set(inb_p);	mv_set(inw_p);	mv_set(inl_p);
-	mv_set(outb_p);	mv_set(outw_p);	mv_set(outl_p);
-
-	mv_set(insb);	mv_set(insw);	mv_set(insl);
-	mv_set(outsb);	mv_set(outsw);	mv_set(outsl);
-
-	mv_set(readb);	mv_set(readw);	mv_set(readl);
-	mv_set(writeb);	mv_set(writew);	mv_set(writel);
+	unsigned long size;
 
-	mv_set(ioport_map);
-	mv_set(ioport_unmap);
-	mv_set(irq_demux);
-
-#ifdef CONFIG_SH_UNKNOWN
-	__set_io_port_base(mv_io_base);
-#endif
-
-	if (!sh_mv.mv_nr_irqs)
-		sh_mv.mv_nr_irqs = NR_IRQS;
+	memory_start = (unsigned long)PAGE_OFFSET+__MEMORY_START;
+	size = memparse(p, &p);
+	memory_end = memory_start + size;
 
 	return 0;
 }
+early_param("mem", early_parse_mem);
 
 /*
  * Register fully available low RAM pages with the bootmem allocator.
@@ -230,7 +121,7 @@ static void __init register_bootmem_low_pages(void)
 	free_bootmem(PFN_PHYS(curr_pfn), PFN_PHYS(pages));
 }
 
-void __init setup_bootmem_allocator(unsigned long start_pfn)
+void __init setup_bootmem_allocator(unsigned long free_pfn)
 {
 	unsigned long bootmap_size;
 
@@ -239,9 +130,10 @@ void __init setup_bootmem_allocator(unsigned long start_pfn)
 	 * bootstrap step all allocations (until the page allocator
 	 * is intact) must be done via bootmem_alloc().
 	 */
-	bootmap_size = init_bootmem_node(NODE_DATA(0), start_pfn,
+	bootmap_size = init_bootmem_node(NODE_DATA(0), free_pfn,
 					 min_low_pfn, max_low_pfn);
 
+	add_active_range(0, min_low_pfn, max_low_pfn);
 	register_bootmem_low_pages();
 
 	node_set_online(0);
@@ -254,7 +146,7 @@ void __init setup_bootmem_allocator(unsigned long start_pfn)
 	 * an invalid RAM area.
 	 */
 	reserve_bootmem(__MEMORY_START+PAGE_SIZE,
-		(PFN_PHYS(start_pfn)+bootmap_size+PAGE_SIZE-1)-__MEMORY_START);
+		(PFN_PHYS(free_pfn)+bootmap_size+PAGE_SIZE-1)-__MEMORY_START);
 
 	/*
 	 * reserve physical page 0 - it's a special BIOS page on many boxes,
@@ -262,6 +154,8 @@ void __init setup_bootmem_allocator(unsigned long start_pfn)
 	 */
 	reserve_bootmem(__MEMORY_START, PAGE_SIZE);
 
+	sparse_memory_present_with_active_regions(0);
+
 #ifdef CONFIG_BLK_DEV_INITRD
 	ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0);
 	if (&__rd_start != &__rd_end) {
@@ -315,10 +209,6 @@ void __init setup_arch(char **cmdline_p)
 {
 	enable_mmu();
 
-#ifdef CONFIG_CMDLINE_BOOL
-	strcpy(COMMAND_LINE, CONFIG_CMDLINE);
-#endif
-
 	ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV);
 
 #ifdef CONFIG_BLK_DEV_RAM
@@ -339,9 +229,22 @@ void __init setup_arch(char **cmdline_p)
 	data_resource.start = virt_to_phys(_etext);
 	data_resource.end = virt_to_phys(_edata)-1;
 
+	memory_start = (unsigned long)PAGE_OFFSET+__MEMORY_START;
+	memory_end = memory_start + __MEMORY_SIZE;
+
+#ifdef CONFIG_CMDLINE_BOOL
+	strlcpy(command_line, CONFIG_CMDLINE, sizeof(command_line));
+#else
+	strlcpy(command_line, COMMAND_LINE, sizeof(command_line));
+#endif
+
+	/* Save unparsed command line copy for /proc/cmdline */
+	memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
+	*cmdline_p = command_line;
+
 	parse_early_param();
 
-	sh_mv_setup(cmdline_p);
+	sh_mv_setup();
 
 	/*
 	 * Find the highest page frame number we have available
@@ -355,8 +258,9 @@ void __init setup_arch(char **cmdline_p)
 	min_low_pfn = __MEMORY_START >> PAGE_SHIFT;
 
 	nodes_clear(node_online_map);
+
+	/* Setup bootmem with available RAM */
 	setup_memory();
-	paging_init();
 	sparse_init();
 
 #ifdef CONFIG_DUMMY_CONSOLE
@@ -366,46 +270,13 @@ void __init setup_arch(char **cmdline_p)
 	/* Perform the machine specific initialisation */
 	if (likely(sh_mv.mv_setup))
 		sh_mv.mv_setup(cmdline_p);
-}
-
-struct sh_machine_vector* __init get_mv_byname(const char* name)
-{
-	extern long __machvec_start, __machvec_end;
-	struct sh_machine_vector *all_vecs =
-		(struct sh_machine_vector *)&__machvec_start;
-
-	int i, n = ((unsigned long)&__machvec_end
-		    - (unsigned long)&__machvec_start)/
-		sizeof(struct sh_machine_vector);
-
-	for (i = 0; i < n; ++i) {
-		struct sh_machine_vector *mv = &all_vecs[i];
-		if (mv == NULL)
-			continue;
-		if (strcasecmp(name, get_system_type()) == 0) {
-			return mv;
-		}
-	}
-	return NULL;
-}
-
-static struct cpu cpu[NR_CPUS];
-
-static int __init topology_init(void)
-{
-	int cpu_id;
 
-	for_each_possible_cpu(cpu_id)
-		register_cpu(&cpu[cpu_id], cpu_id);
-
-	return 0;
+	paging_init();
 }
 
-subsys_initcall(topology_init);
-
 static const char *cpu_name[] = {
 	[CPU_SH7206]	= "SH7206",	[CPU_SH7619]	= "SH7619",
-	[CPU_SH7604]	= "SH7604",	[CPU_SH7300]	= "SH7300",
+	[CPU_SH7300]	= "SH7300",
 	[CPU_SH7705]	= "SH7705",	[CPU_SH7706]	= "SH7706",
 	[CPU_SH7707]	= "SH7707",	[CPU_SH7708]	= "SH7708",
 	[CPU_SH7709]	= "SH7709",	[CPU_SH7710]	= "SH7710",
@@ -419,7 +290,7 @@ static const char *cpu_name[] = {
 	[CPU_SH7770]	= "SH7770",	[CPU_SH7780]	= "SH7780",
 	[CPU_SH7781]	= "SH7781",	[CPU_SH7343]	= "SH7343",
 	[CPU_SH7785]	= "SH7785",	[CPU_SH7722]	= "SH7722",
-	[CPU_SH_NONE]	= "Unknown"
+	[CPU_SHX3]	= "SH-X3",	[CPU_SH_NONE]	= "Unknown"
 };
 
 const char *get_cpu_subtype(struct sh_cpuinfo *c)