diff options
Diffstat (limited to 'drivers/of/fdt.c')
| -rw-r--r-- | drivers/of/fdt.c | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 616478104b2e..616a4767a950 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -16,12 +16,7 @@ #include <linux/of_fdt.h> #ifdef CONFIG_PPC -#include <asm/kexec.h> #include <asm/machdep.h> - -#ifdef CONFIG_PPC_RTAS -#include <asm/rtas.h> -#endif #endif /* CONFIG_PPC */ int __initdata dt_root_addr_cells; @@ -484,93 +479,6 @@ int __init early_init_dt_scan_chosen(unsigned long node, const char *uname, } /** - * early_init_move_devtree - move tree to an unused area, if needed. - * - * The device tree may be allocated beyond our memory limit, or inside the - * crash kernel region for kdump. If so, move it out of the way. - */ -#if defined(CONFIG_PPC) -static void __init early_init_move_devtree(void) -{ - unsigned long start, size; - void *p; - - pr_debug("-> %s()\n", __func__); - - start = __pa(initial_boot_params); - size = initial_boot_params->totalsize; - - if ((memory_limit && (start + size) > memory_limit) || - overlaps_crashkernel(start, size)) { - p = __va(lmb_alloc_base(size, PAGE_SIZE, lmb.rmo_size)); - memcpy(p, initial_boot_params, size); - initial_boot_params = (struct boot_param_header *)p; - pr_debug("Moved device tree to 0x%p\n", p); - } - - pr_debug("<- %s()\n", __func__); -} -#else -static void __init early_init_move_devtree(void) {} -#endif - -void __init early_init_devtree(void *params) -{ - pr_debug(" -> early_init_devtree(%p)\n", params); - - /* Setup flat device-tree pointer */ - initial_boot_params = params; - -#ifdef CONFIG_PPC_RTAS - /* Some machines might need RTAS info for debugging, grab it now. */ - of_scan_flat_dt(early_init_dt_scan_rtas, NULL); -#endif - -#ifdef CONFIG_PHYP_DUMP - /* scan tree to see if dump occured during last boot */ - of_scan_flat_dt(early_init_dt_scan_phyp_dump, NULL); -#endif - - /* Retrieve various informations from the /chosen node of the - * device-tree, including the platform type, initrd location and - * size, TCE reserve, and more ... - */ - of_scan_flat_dt(early_init_dt_scan_chosen, NULL); - - /* Scan memory nodes and rebuild LMBs */ - lmb_init(); - of_scan_flat_dt(early_init_dt_scan_root, NULL); - of_scan_flat_dt(early_init_dt_scan_memory, NULL); - - /* Save command line for /proc/cmdline and then parse parameters */ - strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE); - parse_early_param(); - - /* This is in an arbitrary spot, but it is temporary. After all - * the common code is merged, the structure of the early init - * code will be reevaluated and refactored */ - early_init_devtree_arch(); - - lmb_analyze(); - lmb_dump_all(); - - pr_debug("Phys. mem: %llx\n", lmb_phys_mem_size()); - - /* We may need to relocate the flat tree, do it now. - * FIXME .. and the initrd too? */ - early_init_move_devtree(); - - pr_debug("Scanning CPUs ...\n"); - - /* Retreive CPU related informations from the flat tree - * (altivec support, boot CPU ID, ...) - */ - of_scan_flat_dt(early_init_dt_scan_cpus, NULL); - - pr_debug(" <- early_init_devtree()\n"); -} - -/** * unflatten_device_tree - create tree of device_nodes from flat blob * * unflattens the device-tree passed by the firmware, creating the |