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Diffstat (limited to 'arch/openrisc/kernel/setup.c')
-rw-r--r--arch/openrisc/kernel/setup.c38
1 files changed, 18 insertions, 20 deletions
diff --git a/arch/openrisc/kernel/setup.c b/arch/openrisc/kernel/setup.c
index 1422f747f52..4fc7ccc0a2c 100644
--- a/arch/openrisc/kernel/setup.c
+++ b/arch/openrisc/kernel/setup.c
@@ -40,8 +40,8 @@
#include <linux/device.h>
#include <linux/of_platform.h>
+#include <asm/sections.h>
#include <asm/segment.h>
-#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/types.h>
#include <asm/setup.h>
@@ -51,8 +51,6 @@
#include "vmlinux.h"
-char __initdata cmd_line[COMMAND_LINE_SIZE] = CONFIG_CMDLINE;
-
static unsigned long __init setup_memory(void)
{
unsigned long bootmap_size;
@@ -78,7 +76,7 @@ static unsigned long __init setup_memory(void)
ram_start_pfn = PFN_UP(memory_start);
/* free_ram_start_pfn is first page after kernel */
- free_ram_start_pfn = PFN_UP(__pa(&_end));
+ free_ram_start_pfn = PFN_UP(__pa(_end));
ram_end_pfn = PFN_DOWN(memblock_end_of_DRAM());
max_pfn = ram_end_pfn;
@@ -207,18 +205,18 @@ void __init setup_cpuinfo(void)
* Handles the pointer to the device tree that this kernel is to use
* for establishing the available platform devices.
*
- * For now, this is limited to using the built-in device tree. In the future,
- * it is intended that this function will take a pointer to the device tree
- * that is potentially built-in, but potentially also passed in by the
- * bootloader, or discovered by some equally clever means...
+ * Falls back on built-in device tree in case null pointer is passed.
*/
-void __init or32_early_setup(void)
+void __init or32_early_setup(void *fdt)
{
-
- early_init_devtree(__dtb_start);
-
- printk(KERN_INFO "Compiled-in FDT at 0x%p\n", __dtb_start);
+ if (fdt)
+ pr_info("FDT at %p\n", fdt);
+ else {
+ fdt = __dtb_start;
+ pr_info("Compiled-in FDT at %p\n", fdt);
+ }
+ early_init_devtree(fdt);
}
static int __init openrisc_device_probe(void)
@@ -268,7 +266,7 @@ void __init detect_unit_config(unsigned long upr, unsigned long mask,
*
*/
-void __cpuinit calibrate_delay(void)
+void calibrate_delay(void)
{
const int *val;
struct device_node *cpu = NULL;
@@ -286,15 +284,15 @@ void __init setup_arch(char **cmdline_p)
{
unsigned long max_low_pfn;
- unflatten_device_tree();
+ unflatten_and_copy_device_tree();
setup_cpuinfo();
/* process 1's initial memory region is the kernel code/data */
- init_mm.start_code = (unsigned long)&_stext;
- init_mm.end_code = (unsigned long)&_etext;
- init_mm.end_data = (unsigned long)&_edata;
- init_mm.brk = (unsigned long)&_end;
+ init_mm.start_code = (unsigned long)_stext;
+ init_mm.end_code = (unsigned long)_etext;
+ init_mm.end_data = (unsigned long)_edata;
+ init_mm.brk = (unsigned long)_end;
#ifdef CONFIG_BLK_DEV_INITRD
initrd_start = (unsigned long)&__initrd_start;
@@ -317,7 +315,7 @@ void __init setup_arch(char **cmdline_p)
conswitchp = &dummy_con;
#endif
- *cmdline_p = cmd_line;
+ *cmdline_p = boot_command_line;
printk(KERN_INFO "OpenRISC Linux -- http://openrisc.net\n");
}