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Diffstat (limited to 'arch/microblaze/kernel/prom.c')
-rw-r--r--arch/microblaze/kernel/prom.c71
1 files changed, 8 insertions, 63 deletions
diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c
index 0c4453f134c..68f099960eb 100644
--- a/arch/microblaze/kernel/prom.c
+++ b/arch/microblaze/kernel/prom.c
@@ -30,6 +30,7 @@
#include <linux/debugfs.h>
#include <linux/irq.h>
#include <linux/memblock.h>
+#include <linux/of_fdt.h>
#include <asm/prom.h>
#include <asm/page.h>
@@ -41,19 +42,14 @@
#include <asm/sections.h>
#include <asm/pci-bridge.h>
-void __init early_init_dt_add_memory_arch(u64 base, u64 size)
-{
- memblock_add(base, size);
-}
-
#ifdef CONFIG_EARLY_PRINTK
-static char *stdout;
+static const char *stdout;
static int __init early_init_dt_scan_chosen_serial(unsigned long node,
const char *uname, int depth, void *data)
{
- unsigned long l;
- char *p;
+ int l;
+ const char *p;
pr_debug("%s: depth: %d, uname: %s\n", __func__, depth, uname);
@@ -84,7 +80,7 @@ static int __init early_init_dt_scan_chosen_serial(unsigned long node,
(strncmp(p, "xlnx,opb-uartlite", 17) == 0) ||
(strncmp(p, "xlnx,axi-uartlite", 17) == 0) ||
(strncmp(p, "xlnx,mdm", 8) == 0)) {
- unsigned int *addrp;
+ const unsigned int *addrp;
*(u32 *)data = UARTLITE;
@@ -106,21 +102,10 @@ void __init early_init_devtree(void *params)
{
pr_debug(" -> early_init_devtree(%p)\n", params);
- /* Setup flat device-tree pointer */
- initial_boot_params = params;
+ early_init_dt_scan(params);
+ if (!strlen(boot_command_line))
+ strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE);
- /* 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, cmd_line);
-
- /* Scan memory nodes and rebuild MEMBLOCKs */
- 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();
memblock_allow_resize();
@@ -129,43 +114,3 @@ void __init early_init_devtree(void *params)
pr_debug(" <- early_init_devtree()\n");
}
-
-#ifdef CONFIG_BLK_DEV_INITRD
-void __init early_init_dt_setup_initrd_arch(u64 start, u64 end)
-{
- initrd_start = (unsigned long)__va(start);
- initrd_end = (unsigned long)__va(end);
- initrd_below_start_ok = 1;
-}
-#endif
-
-/*******
- *
- * New implementation of the OF "find" APIs, return a refcounted
- * object, call of_node_put() when done. The device tree and list
- * are protected by a rw_lock.
- *
- * Note that property management will need some locking as well,
- * this isn't dealt with yet.
- *
- *******/
-
-#if defined(CONFIG_DEBUG_FS) && defined(DEBUG)
-static struct debugfs_blob_wrapper flat_dt_blob;
-
-static int __init export_flat_device_tree(void)
-{
- struct dentry *d;
-
- 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,
- of_debugfs_root, &flat_dt_blob);
- if (!d)
- return 1;
-
- return 0;
-}
-device_initcall(export_flat_device_tree);
-#endif