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Diffstat (limited to 'arch/microblaze/kernel/setup.c')
-rw-r--r--arch/microblaze/kernel/setup.c27
1 files changed, 25 insertions, 2 deletions
diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c
index 70e6d0b41ab4..16d8dfd9094b 100644
--- a/arch/microblaze/kernel/setup.c
+++ b/arch/microblaze/kernel/setup.c
@@ -30,7 +30,6 @@
#include <asm/entry.h>
#include <asm/cpuinfo.h>
-#include <asm/system.h>
#include <asm/prom.h>
#include <asm/pgtable.h>
@@ -95,8 +94,11 @@ inline unsigned get_romfs_len(unsigned *addr)
}
#endif /* CONFIG_MTD_UCLINUX_EBSS */
+unsigned long kernel_tlb;
+
void __init machine_early_init(const char *cmdline, unsigned int ram,
- unsigned int fdt, unsigned int msr)
+ unsigned int fdt, unsigned int msr, unsigned int tlb0,
+ unsigned int tlb1)
{
unsigned long *src, *dst;
unsigned int offset = 0;
@@ -143,6 +145,12 @@ void __init machine_early_init(const char *cmdline, unsigned int ram,
setup_early_printk(NULL);
#endif
+ /* setup kernel_tlb after BSS cleaning
+ * Maybe worth to move to asm code */
+ kernel_tlb = tlb0 + tlb1;
+ /* printk("TLB1 0x%08x, TLB0 0x%08x, tlb 0x%x\n", tlb0,
+ tlb1, kernel_tlb); */
+
printk("Ramdisk addr 0x%08x, ", ram);
if (fdt)
printk("FDT at 0x%08x\n", fdt);
@@ -197,6 +205,21 @@ static int microblaze_debugfs_init(void)
return of_debugfs_root == NULL;
}
arch_initcall(microblaze_debugfs_init);
+
+# ifdef CONFIG_MMU
+static int __init debugfs_tlb(void)
+{
+ struct dentry *d;
+
+ if (!of_debugfs_root)
+ return -ENODEV;
+
+ d = debugfs_create_u32("tlb_skip", S_IRUGO, of_debugfs_root, &tlb_skip);
+ if (!d)
+ return -ENOMEM;
+}
+device_initcall(debugfs_tlb);
+# endif
#endif
static int dflt_bus_notify(struct notifier_block *nb,