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authorDavid Woodhouse <dwmw2@infradead.org>2008-02-03 18:29:41 +1100
committerDavid Woodhouse <dwmw2@infradead.org>2008-02-03 18:30:32 +1100
commitc1f3ee120bb61045b1c0a3ead620d1d65af47130 (patch)
tree908430bf2b47fe8e96ac623ae7ab6dd5698d0938 /include/asm-x86/fixmap_32.h
parente619a75ff6201b567a539e787aa9af9bc63a3187 (diff)
parent9135f1901ee6449dfe338adf6e40e9c2025b8150 (diff)
downloadtalos-op-linux-c1f3ee120bb61045b1c0a3ead620d1d65af47130.tar.gz
talos-op-linux-c1f3ee120bb61045b1c0a3ead620d1d65af47130.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'include/asm-x86/fixmap_32.h')
-rw-r--r--include/asm-x86/fixmap_32.h24
1 files changed, 18 insertions, 6 deletions
diff --git a/include/asm-x86/fixmap_32.h b/include/asm-x86/fixmap_32.h
index 249e753ac805..a7404d50686b 100644
--- a/include/asm-x86/fixmap_32.h
+++ b/include/asm-x86/fixmap_32.h
@@ -65,7 +65,7 @@ enum fixed_addresses {
#endif
#ifdef CONFIG_X86_VISWS_APIC
FIX_CO_CPU, /* Cobalt timer */
- FIX_CO_APIC, /* Cobalt APIC Redirection Table */
+ FIX_CO_APIC, /* Cobalt APIC Redirection Table */
FIX_LI_PCIA, /* Lithium PCI Bridge A */
FIX_LI_PCIB, /* Lithium PCI Bridge B */
#endif
@@ -74,7 +74,7 @@ enum fixed_addresses {
#endif
#ifdef CONFIG_X86_CYCLONE_TIMER
FIX_CYCLONE_TIMER, /*cyclone timer register*/
-#endif
+#endif
#ifdef CONFIG_HIGHMEM
FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */
FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1,
@@ -90,11 +90,23 @@ enum fixed_addresses {
FIX_PARAVIRT_BOOTMAP,
#endif
__end_of_permanent_fixed_addresses,
- /* temporary boot-time mappings, used before ioremap() is functional */
-#define NR_FIX_BTMAPS 16
- FIX_BTMAP_END = __end_of_permanent_fixed_addresses,
- FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS - 1,
+ /*
+ * 256 temporary boot-time mappings, used by early_ioremap(),
+ * before ioremap() is functional.
+ *
+ * We round it up to the next 512 pages boundary so that we
+ * can have a single pgd entry and a single pte table:
+ */
+#define NR_FIX_BTMAPS 64
+#define FIX_BTMAPS_NESTING 4
+ FIX_BTMAP_END =
+ __end_of_permanent_fixed_addresses + 512 -
+ (__end_of_permanent_fixed_addresses & 511),
+ FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_NESTING - 1,
FIX_WP_TEST,
+#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT
+ FIX_OHCI1394_BASE,
+#endif
__end_of_fixed_addresses
};
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