| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #include <arch/io.h> |
| #include <device/pnp_ops.h> |
| #include <device/pnp.h> |
| #include <stdint.h> |
| #include "pc87417.h" |
| |
| void pc87417_disable_dev(pnp_devfn_t dev) |
| { |
| pnp_set_logical_device(dev); |
| pnp_set_enable(dev, 0); |
| } |
| |
| void pc87417_enable_dev(pnp_devfn_t dev) |
| { |
| pnp_set_logical_device(dev); |
| pnp_set_enable(dev, 1); |
| } |
| |
| void xbus_cfg(pnp_devfn_t dev) |
| { |
| u8 i; |
| u16 xbus_index; |
| |
| pnp_set_logical_device(dev); |
| /* Select proper BIOS size (4MB). */ |
| pnp_write_config(dev, PC87417_XMEMCNF2, |
| (pnp_read_config(dev, PC87417_XMEMCNF2)) | 0x04); |
| xbus_index = pnp_read_iobase(dev, PNP_IDX_IO0); |
| |
| /* Enable writes to devices attached to XCS0 (XBUS Chip Select 0). */ |
| for (i = 0; i <= 0xf; i++) |
| outb((i << 4), xbus_index + PC87417_HAP0); |
| } |