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authorHelge Deller <deller@gmx.de>2017-08-20 11:52:22 +0300
committerHelge Deller <deller@gmx.de>2017-08-22 17:34:35 +0300
commitf5213b2c40f5749e6b9b8f737ea946495ed0a438 (patch)
treede97da492124e3c3bc9324773efee160ac814ed3 /arch/parisc/include
parent2f3c7b8137ef6a3f90850d7cb5dbd05d8940403a (diff)
downloadlinux-f5213b2c40f5749e6b9b8f737ea946495ed0a438.tar.xz
parisc: Make existing core files reuseable for bootloader
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc/include')
-rw-r--r--arch/parisc/include/asm/page.h4
-rw-r--r--arch/parisc/include/asm/pdc.h2
2 files changed, 6 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/page.h b/arch/parisc/include/asm/page.h
index 80e742a1c162..bfed09d80bae 100644
--- a/arch/parisc/include/asm/page.h
+++ b/arch/parisc/include/asm/page.h
@@ -116,11 +116,15 @@ extern int npmem_ranges;
/* This governs the relationship between virtual and physical addresses.
* If you alter it, make sure to take care of our various fixed mapping
* segments in fixmap.h */
+#if defined(BOOTLOADER)
+#define __PAGE_OFFSET (0) /* bootloader uses physical addresses */
+#else
#ifdef CONFIG_64BIT
#define __PAGE_OFFSET (0x40000000) /* 1GB */
#else
#define __PAGE_OFFSET (0x10000000) /* 256MB */
#endif
+#endif /* BOOTLOADER */
#define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET)
diff --git a/arch/parisc/include/asm/pdc.h b/arch/parisc/include/asm/pdc.h
index 7569627a032b..26b4455baa83 100644
--- a/arch/parisc/include/asm/pdc.h
+++ b/arch/parisc/include/asm/pdc.h
@@ -5,6 +5,8 @@
#if !defined(__ASSEMBLY__)
+extern int parisc_narrow_firmware;
+
extern int pdc_type;
extern unsigned long parisc_cell_num; /* cell number the CPU runs on (PAT) */
extern unsigned long parisc_cell_loc; /* cell location of CPU (PAT) */