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Merge branch 'devicetree/arm-next' of git://git.secretlab.ca/git/linux-2.6 into devel-stable

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This commit is contained in:
Russell King
2011-05-25 00:08:17 +01:00
parent d762f43831 ede338f4ce
commit 03eb14199e
17 changed files with 375 additions and 60 deletions
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90
arch/arm/kernel/setup.c
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@@ -20,6 +20,7 @@
#include <linux/screen_info.h>
#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>
@@ -42,6 +43,7 @@
#include <asm/cachetype.h>
#include <asm/tlbflush.h>
#include <asm/prom.h>
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <asm/mach/time.h>
@@ -309,7 +311,7 @@ static void __init cacheid_init(void)
*/
extern struct proc_info_list *lookup_processor_type(unsigned int);
static void __init early_print(const char *str, ...)
void __init early_print(const char *str, ...)
{
extern void printascii(const char *);
char buf[256];
@@ -439,25 +441,12 @@ void cpu_init(void)
: "r14");
}
static struct machine_desc * __init setup_machine(unsigned int nr)
void __init dump_machine_table(void)
{
extern struct machine_desc __arch_info_begin[], __arch_info_end[];
struct machine_desc *p;
/*
* locate machine in the list of supported machines.
*/
for (p = __arch_info_begin; p < __arch_info_end; p++)
if (nr == p->nr) {
printk("Machine: %s\n", p->name);
return p;
}
early_print("\n"
"Error: unrecognized/unsupported machine ID (r1 = 0x%08x).\n\n"
"Available machine support:\n\nID (hex)\tNAME\n", nr);
for (p = __arch_info_begin; p < __arch_info_end; p++)
early_print("Available machine support:\n\nID (hex)\tNAME\n");
for_each_machine_desc(p)
early_print("%08x\t%s\n", p->nr, p->name);
early_print("\nPlease check your kernel config and/or bootloader.\n");
@@ -466,7 +455,7 @@ static struct machine_desc * __init setup_machine(unsigned int nr)
/* can't use cpu_relax() here as it may require MMU setup */;
}
static int __init arm_add_memory(phys_addr_t start, unsigned long size)
int __init arm_add_memory(phys_addr_t start, unsigned long size)
{
struct membank *bank = &meminfo.bank[meminfo.nr_banks];
@@ -801,23 +790,29 @@ static void __init squash_mem_tags(struct tag *tag)
tag->hdr.tag = ATAG_NONE;
}
void __init setup_arch(char **cmdline_p)
static struct machine_desc * __init setup_machine_tags(unsigned int nr)
{
struct tag *tags = (struct tag *)&init_tags;
struct machine_desc *mdesc;
struct machine_desc *mdesc = NULL, *p;
char *from = default_command_line;
init_tags.mem.start = PHYS_OFFSET;
unwind_init();
/*
* locate machine in the list of supported machines.
*/
for_each_machine_desc(p)
if (nr == p->nr) {
printk("Machine: %s\n", p->name);
mdesc = p;
break;
}
setup_processor();
mdesc = setup_machine(machine_arch_type);
machine_desc = mdesc;
machine_name = mdesc->name;
if (mdesc->soft_reboot)
reboot_setup("s");
if (!mdesc) {
early_print("\nError: unrecognized/unsupported machine ID"
" (r1 = 0x%08x).\n\n", nr);
dump_machine_table(); /* does not return */
}
if (__atags_pointer)
tags = phys_to_virt(__atags_pointer);
@@ -849,8 +844,17 @@ void __init setup_arch(char **cmdline_p)
if (tags->hdr.tag != ATAG_CORE)
convert_to_tag_list(tags);
#endif
if (tags->hdr.tag != ATAG_CORE)
if (tags->hdr.tag != ATAG_CORE) {
#if defined(CONFIG_OF)
/*
* If CONFIG_OF is set, then assume this is a reasonably
* modern system that should pass boot parameters
*/
early_print("Warning: Neither atags nor dtb found\n");
#endif
tags = (struct tag *)&init_tags;
}
if (mdesc->fixup)
mdesc->fixup(mdesc, tags, &from, &meminfo);
@@ -862,14 +866,34 @@ void __init setup_arch(char **cmdline_p)
parse_tags(tags);
}
/* parse_early_param needs a boot_command_line */
strlcpy(boot_command_line, from, COMMAND_LINE_SIZE);
return mdesc;
}
void __init setup_arch(char **cmdline_p)
{
struct machine_desc *mdesc;
unwind_init();
setup_processor();
mdesc = setup_machine_fdt(__atags_pointer);
if (!mdesc)
mdesc = setup_machine_tags(machine_arch_type);
machine_desc = mdesc;
machine_name = mdesc->name;
if (mdesc->soft_reboot)
reboot_setup("s");
init_mm.start_code = (unsigned long) _text;
init_mm.end_code = (unsigned long) _etext;
init_mm.end_data = (unsigned long) _edata;
init_mm.brk = (unsigned long) _end;
/* parse_early_param needs a boot_command_line */
strlcpy(boot_command_line, from, COMMAND_LINE_SIZE);
/* populate cmd_line too for later use, preserving boot_command_line */
strlcpy(cmd_line, boot_command_line, COMMAND_LINE_SIZE);
*cmdline_p = cmd_line;
@@ -881,6 +905,8 @@ void __init setup_arch(char **cmdline_p)
paging_init(mdesc);
request_standard_resources(mdesc);
unflatten_device_tree();
#ifdef CONFIG_SMP
if (is_smp())
smp_init_cpus();