#undef DEBUG
#include <stdarg.h>
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/init.h>
#include <linux/bitops.h>
#include <linux/module.h>
#include <linux/kexec.h>
+#include <linux/debugfs.h>
#include <asm/prom.h>
#include <asm/rtas.h>
/* put this back once we know how to test if firmware does 64k IO */
{CPU_FTR_CI_LARGE_PAGE, 0, 1, 2, 0},
#endif
+ {CPU_FTR_REAL_LE, PPC_FEATURE_TRUE_LE, 5, 0, 0},
};
static void __init check_cpu_pa_features(unsigned long node)
tce_alloc_end = *lprop;
#endif
-#ifdef CONFIG_PPC_RTAS
- /* To help early debugging via the front panel, we retrieve a minimal
- * set of RTAS infos now if available
- */
- {
- u64 *basep, *entryp, *sizep;
-
- basep = of_get_flat_dt_prop(node, "linux,rtas-base", NULL);
- entryp = of_get_flat_dt_prop(node, "linux,rtas-entry", NULL);
- sizep = of_get_flat_dt_prop(node, "linux,rtas-size", NULL);
- if (basep && entryp && sizep) {
- rtas.base = *basep;
- rtas.entry = *entryp;
- rtas.size = *sizep;
- }
- }
-#endif /* CONFIG_PPC_RTAS */
-
#ifdef CONFIG_KEXEC
lprop = (u64*)of_get_flat_dt_prop(node, "linux,crashkernel-base", NULL);
if (lprop)
/* 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
+
/* Retrieve various informations from the /chosen node of the
* device-tree, including the platform type, initrd location and
* size, TCE reserve, and more ...
}
return NULL;
}
+
+#ifdef DEBUG
+static struct debugfs_blob_wrapper flat_dt_blob;
+
+static int __init export_flat_device_tree(void)
+{
+ struct dentry *d;
+
+ d = debugfs_create_dir("powerpc", NULL);
+ if (!d)
+ return 1;
+
+ flat_dt_blob.data = initial_boot_params;
+ flat_dt_blob.size = initial_boot_params->totalsize;
+
+ d = debugfs_create_blob("flat-device-tree", S_IFREG | S_IRUSR,
+ d, &flat_dt_blob);
+ if (!d)
+ return 1;
+
+ return 0;
+}
+__initcall(export_flat_device_tree);
+#endif