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authorIngo Molnar <mingo@elte.hu>2008-07-10 15:25:21 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-10 18:55:39 +0200
commitb4b86416712d79a77cdc53756751b3b91fbb7a3d (patch)
treedb298dbbf07dc8b05f3d2024c8b3e2393c9a567e /include/asm-x86/visws/lithium.h
parent18c413e27e1585358cedc22e450847e3240006ff (diff)
x86, VisWS: turn into generic arch, create include/asm-x86/visws/
move the include/asm-x86/mach-visws/ VISWS specific hardware details include files into include/asm-x86/visws, to be used from generic code. No code changed. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/visws/lithium.h')
-rw-r--r--include/asm-x86/visws/lithium.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/include/asm-x86/visws/lithium.h b/include/asm-x86/visws/lithium.h
new file mode 100644
index 00000000000..dfcd4f07ab8
--- /dev/null
+++ b/include/asm-x86/visws/lithium.h
@@ -0,0 +1,53 @@
+#ifndef __I386_SGI_LITHIUM_H
+#define __I386_SGI_LITHIUM_H
+
+#include <asm/fixmap.h>
+
+/*
+ * Lithium is the SGI Visual Workstation I/O ASIC
+ */
+
+#define LI_PCI_A_PHYS 0xfc000000 /* Enet is dev 3 */
+#define LI_PCI_B_PHYS 0xfd000000 /* PIIX4 is here */
+
+/* see set_fixmap() and asm/fixmap.h */
+#define LI_PCIA_VADDR (fix_to_virt(FIX_LI_PCIA))
+#define LI_PCIB_VADDR (fix_to_virt(FIX_LI_PCIB))
+
+/* Not a standard PCI? (not in linux/pci.h) */
+#define LI_PCI_BUSNUM 0x44 /* lo8: primary, hi8: sub */
+#define LI_PCI_INTEN 0x46
+
+/* LI_PCI_INTENT bits */
+#define LI_INTA_0 0x0001
+#define LI_INTA_1 0x0002
+#define LI_INTA_2 0x0004
+#define LI_INTA_3 0x0008
+#define LI_INTA_4 0x0010
+#define LI_INTB 0x0020
+#define LI_INTC 0x0040
+#define LI_INTD 0x0080
+
+/* More special purpose macros... */
+static inline void li_pcia_write16(unsigned long reg, unsigned short v)
+{
+ *((volatile unsigned short *)(LI_PCIA_VADDR+reg))=v;
+}
+
+static inline unsigned short li_pcia_read16(unsigned long reg)
+{
+ return *((volatile unsigned short *)(LI_PCIA_VADDR+reg));
+}
+
+static inline void li_pcib_write16(unsigned long reg, unsigned short v)
+{
+ *((volatile unsigned short *)(LI_PCIB_VADDR+reg))=v;
+}
+
+static inline unsigned short li_pcib_read16(unsigned long reg)
+{
+ return *((volatile unsigned short *)(LI_PCIB_VADDR+reg));
+}
+
+#endif
+