]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - include/asm-x86/fixmap_32.h
[SCSI] update SG_ALL to avoid causing chaining
[linux-2.6-omap-h63xx.git] / include / asm-x86 / fixmap_32.h
index 249e753ac8053fd3c7b37ccf2a17eec20e2164aa..a7404d50686b8d7a28c01eb0dd369d69b03dd50f 100644 (file)
@@ -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
 };