x86, um: ... and asm-x86 move

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 53 insertions, 0 deletions

diff --git a/arch/x86/include/asm/visws/lithium.h b/arch/x86/include/asm/visws/lithium.h
new file mode 100644
index 00000000000..b36d3b378c6
--- /dev/null
+++ b/arch/x86/include/asm/visws/lithium.h
@@ -0,0 +1,53 @@
+#ifndef ASM_X86__VISWS__LITHIUM_H
+#define ASM_X86__VISWS__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 /* ASM_X86__VISWS__LITHIUM_H */
+