void __init init_arch(bp_tag_t *bp_start)
{
/* Parse boot parameters */
if (bp_start)
parse_bootparam(bp_start);
#ifdef CONFIG_OF
early_init_devtree(dtb_start);
#endif
if (sysmem.nr_banks == 0) {
add_sysmem_bank(PLATFORM_DEFAULT_MEM_START,
PLATFORM_DEFAULT_MEM_START +
PLATFORM_DEFAULT_MEM_SIZE);
}
#ifdef CONFIG_CMDLINE_BOOL
if (!command_line[0])
strlcpy(command_line, default_command_line, COMMAND_LINE_SIZE);
#endif
/* Early hook for platforms */
platform_init(bp_start);
/* Initialize MMU. */
init_mmu();
}
void __init early_init_dt_add_memory_arch(u64 base, u64 size)
{
if (!dt_memory_scan)
return;
size &= PAGE_MASK;
add_sysmem_bank(base, base + size);
}
static int __init parse_tag_mem(const bp_tag_t *tag)
{
meminfo_t *mi = (meminfo_t *)(tag->data);
if (mi->type != MEMORY_TYPE_CONVENTIONAL)
return -1;
return add_sysmem_bank(mi->type, mi->start, mi->end);
}
void __init early_init_dt_add_memory_arch(u64 base, u64 size)
{
size &= PAGE_MASK;
add_sysmem_bank(MEMORY_TYPE_CONVENTIONAL, base, base + size);
}
