diff options
Diffstat (limited to 'src/superio/nsc/pc8374/pc8374_early_init.c')
| -rw-r--r-- | src/superio/nsc/pc8374/pc8374_early_init.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/superio/nsc/pc8374/pc8374_early_init.c b/src/superio/nsc/pc8374/pc8374_early_init.c new file mode 100644 index 0000000000..24967454b2 --- /dev/null +++ b/src/superio/nsc/pc8374/pc8374_early_init.c @@ -0,0 +1,37 @@ +#include <arch/romcc_io.h> +#include "pc8374.h" + +/* things that Must Be Done to get this chip working */ +/* Straight from the data book */ +static void pc8374_enable(unsigned iobase, u8 *init) +{ + u8 val, count; + outb(0x29, iobase); + val = inb(iobase+1); + val |= 0x91; + outb(val, iobase+1); + for(count = 0; count < 255; count++) + if (inb(iobase+1) == 0x91) + break; + for(;*init; init++) { + outb(*init, iobase); + val = inb(iobase+1); + init++; + val &= *init; + init++; + val |= *init; + outb(val, iobase+1); + } + + +} + +static void pc8374_enable_dev(device_t dev, unsigned iobase) +{ + pnp_set_logical_device(dev); + pnp_set_enable(dev, 0); + if (iobase) + pnp_set_iobase(dev, PNP_IDX_IO0, iobase); + pnp_set_enable(dev, 1); +} + |