| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* This file is part of the coreboot project. */ |
| |
| #include <arch/io.h> |
| #include <device/pnp_ops.h> |
| #include <device/pnp.h> |
| #include "ec.h" |
| |
| void kbc1126_enter_conf(void) |
| { |
| outb(0x55, 0x2e); |
| outb(0x22, 0x2e); |
| outb(0x00, 0x2f); |
| outb(0x23, 0x2e); |
| outb(0x00, 0x2f); |
| outb(0x24, 0x2e); |
| outb(0x84, 0x2f); |
| } |
| |
| void kbc1126_exit_conf(void) |
| { |
| outb(0xaa, 0x2e); |
| /* one more time in PlatformStage1 of vendor firmware */ |
| outb(0xaa, 0x2e); |
| |
| outb(0x83, 0x200); |
| outb(0x00, 0x201); |
| inb(0x201); |
| } |
| |
| void kbc1126_mailbox_init(void) |
| { |
| pnp_devfn_t dev = PNP_DEV(0x2e, KBC1100_MAILBOX); |
| pnp_set_logical_device(dev); |
| pnp_set_iobase(dev, PNP_IDX_IO0, 0x200); |
| pnp_set_enable(dev, 1); |
| } |
| |
| void kbc1126_kbc_init(void) |
| { |
| pnp_devfn_t dev = PNP_DEV(0x2e, KBC1100_KBC); |
| pnp_set_logical_device(dev); |
| pnp_set_irq(dev, PNP_IDX_IRQ0, 0x1); |
| pnp_set_irq(dev, PNP_IDX_IRQ1, 0xc); |
| pnp_set_enable(dev, 1); |
| } |
| |
| void kbc1126_ec_init(void) |
| { |
| pnp_devfn_t dev = PNP_DEV(0x2e, KBC1100_EC0); |
| pnp_set_logical_device(dev); |
| pnp_set_iobase(dev, PNP_IDX_IO0, 0x62); |
| pnp_set_enable(dev, 1); |
| } |
| |
| void kbc1126_com1_init(void) |
| { |
| pnp_devfn_t dev = PNP_DEV(0x2e, SMSCSUPERIO_SP1); |
| pnp_set_logical_device(dev); |
| pnp_set_iobase(dev, PNP_IDX_IO0, 0x280); |
| pnp_set_irq(dev, PNP_IDX_IRQ0, 0x6); |
| pnp_set_enable(dev, 1); |
| } |
| |
| void kbc1126_pm1_init(void) |
| { |
| pnp_devfn_t dev = PNP_DEV(0x2e, KBC1100_PM1); |
| pnp_set_logical_device(dev); |
| pnp_set_iobase(dev, PNP_IDX_IO0, 0x220); |
| pnp_set_enable(dev, 1); |
| } |
| |
| /* |
| * This code is found in PEI module F65354B9-1FF0-46D7-A5F7-0926CB238048 |
| * of the OEM firmware. |
| * |
| * For mainboards without a Super I/O at 0x4e, without this code, superiotool |
| * will detect an Infineon Super I/O at 0x4e. |
| */ |
| |
| void kbc1126_disable4e(void) |
| { |
| outb(0x55, 0x4e); |
| |
| outb(0x26, 0x4e); |
| outb(0x00, 0x4f); |
| outb(0x27, 0x4e); |
| outb(0xfe, 0x4f); |
| outb(0x60, 0x4e); |
| outb(0xfe, 0x4f); |
| outb(0x61, 0x4e); |
| outb(0x80, 0x4f); |
| outb(0x30, 0x4e); |
| outb(0x01, 0x4f); |
| |
| outb(0xaa, 0x4e); |
| } |