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author | Eric Biederman <ebiederm@xmission.com> | 2003-07-19 04:28:22 +0000 |
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committer | Eric Biederman <ebiederm@xmission.com> | 2003-07-19 04:28:22 +0000 |
commit | 9b4336cf418d22551bea09d93e1cee79281b110e (patch) | |
tree | 3f1e24216c11918644a98fd1e46e2fdb40fd12fe /src/include/device | |
parent | fe4414587a4466b848184b8837d4c5a280949824 (diff) | |
download | coreboot-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.h | 58 |
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 */ |