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authorEric Biederman <ebiederm@xmission.com>2003-07-19 04:28:22 +0000
committerEric Biederman <ebiederm@xmission.com>2003-07-19 04:28:22 +0000
commit9b4336cf418d22551bea09d93e1cee79281b110e (patch)
tree3f1e24216c11918644a98fd1e46e2fdb40fd12fe /src/include/device
parentfe4414587a4466b848184b8837d4c5a280949824 (diff)
downloadcoreboot-9b4336cf418d22551bea09d93e1cee79281b110e.tar.xz
- Major cleanup of the bootpath
- Changes to allow more code to be compiled both ways - Working SMP support git-svn-id: svn://svn.coreboot.org/coreboot/trunk@987 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/include/device')
-rw-r--r--src/include/device/pnp.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/src/include/device/pnp.h b/src/include/device/pnp.h
new file mode 100644
index 0000000000..0d39fc1663
--- /dev/null
+++ b/src/include/device/pnp.h
@@ -0,0 +1,58 @@
+#ifndef DEVICE_PNP_H
+#define DEVICE_PNP_H
+
+static inline void pnp_write_config(unsigned char port, unsigned char value, unsigned char reg)
+{
+ outb(reg, port);
+ outb(value, port +1);
+}
+
+static inline unsigned char pnp_read_config(unsigned char port, unsigned char reg)
+{
+ outb(reg, port);
+ return inb(port +1);
+}
+
+static inline void pnp_set_logical_device(unsigned char port, int device)
+{
+ pnp_write_config(port, device, 0x07);
+}
+
+static inline void pnp_set_enable(unsigned char port, int enable)
+{
+ pnp_write_config(port, enable?0x1:0x0, 0x30);
+}
+
+static inline int pnp_read_enable(unsigned char port)
+{
+ return !!pnp_read_config(port, 0x30);
+}
+
+static inline void pnp_set_iobase0(unsigned char port, unsigned iobase)
+{
+ pnp_write_config(port, (iobase >> 8) & 0xff, 0x60);
+ pnp_write_config(port, iobase & 0xff, 0x61);
+}
+
+static inline void pnp_set_iobase1(unsigned char port, unsigned iobase)
+{
+ pnp_write_config(port, (iobase >> 8) & 0xff, 0x62);
+ pnp_write_config(port, iobase & 0xff, 0x63);
+}
+
+static inline void pnp_set_irq0(unsigned char port, unsigned irq)
+{
+ pnp_write_config(port, irq, 0x70);
+}
+
+static inline void pnp_set_irq1(unsigned char port, unsigned irq)
+{
+ pnp_write_config(port, irq, 0x72);
+}
+
+static inline void pnp_set_drq(unsigned char port, unsigned drq)
+{
+ pnp_write_config(port, drq & 0xff, 0x74);
+}
+
+#endif /* DEVICE_PNP_H */