diff options
| -rw-r--r-- | src/mainboard/asus/p2b/mainboard.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/mainboard/asus/p2b/mainboard.c b/src/mainboard/asus/p2b/mainboard.c new file mode 100644 index 0000000000..87838b44c3 --- /dev/null +++ b/src/mainboard/asus/p2b/mainboard.c @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <device/pci_ops.h> +#include <southbridge/intel/i82371eb/i82371eb.h> + +/** + * Mainboard specific enables. + * + * @param chip_info Ignored + */ +static void mainboard_init(void *chip_info) +{ + const pci_devfn_t px43 = PCI_DEV(0, 4, 3); + u32 reg; + /* + * Set up an 8-byte generic I/O decode block at device 9. + * This will be for W83781D hardware monitor. + * Port 0x290 mask 0x007 + * + * This should enable access to W83781D over the ISA bus. + */ + reg = pci_s_read_config32(px43, DEVRESB); + reg |= (0x290 | (0xe7 << 16)); + pci_s_write_config32(px43, DEVRESB, reg); +} + +struct chip_operations mainboard_ops = { + .init = mainboard_init +}; |