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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <bootblock_common.h>
#include <device/pnp_ops.h>
#include <device/pnp_def.h>
#include <northbridge/intel/i945/i945.h>
#include <southbridge/intel/i82801gx/i82801gx.h>
#include <superio/winbond/common/winbond.h>
#include <superio/winbond/w83627ehg/w83627ehg.h>
#define SUPERIO_DEV PNP_DEV(0x4e, 0)
/* This box has one superio
* Also set up the GPIOs from the beginning. This is the "no schematic
* but safe anyways" method.
*/
void bootblock_mainboard_early_init(void)
{
pnp_devfn_t dev;
dev = SUPERIO_DEV;
pnp_enter_conf_state(dev);
pnp_write_config(dev, 0x24, 0xc4); // PNPCVS
pnp_write_config(dev, 0x29, 0x01); // GPIO settings
pnp_write_config(dev, 0x2a, 0x40); // GPIO settings should be fc but gets set to 02
pnp_write_config(dev, 0x2b, 0xc0); // GPIO settings?
pnp_write_config(dev, 0x2c, 0x03); // GPIO settings?
pnp_write_config(dev, 0x2d, 0x20); // GPIO settings?
dev = PNP_DEV(0x4e, W83627EHG_SP1);
pnp_set_logical_device(dev);
pnp_set_enable(dev, 0);
pnp_set_iobase(dev, PNP_IDX_IO0, 0x3f8);
pnp_set_irq(dev, PNP_IDX_IRQ0, 4);
pnp_set_enable(dev, 1);
dev = PNP_DEV(0x4e, W83627EHG_SP2);
pnp_set_logical_device(dev);
pnp_set_enable(dev, 0);
pnp_set_iobase(dev, PNP_IDX_IO0, 0x2f8);
pnp_set_irq(dev, PNP_IDX_IRQ0, 3);
// pnp_write_config(dev, 0xf1, 4); // IRMODE0
pnp_set_enable(dev, 1);
dev = PNP_DEV(0x4e, W83627EHG_KBC); // Keyboard
pnp_set_logical_device(dev);
pnp_set_enable(dev, 0);
pnp_set_iobase(dev, PNP_IDX_IO0, 0x60);
pnp_set_iobase(dev, PNP_IDX_IO1, 0x64);
//pnp_write_config(dev, 0xf0, 0x82);
pnp_set_enable(dev, 1);
dev = PNP_DEV(0x4e, W83627EHG_GPIO2);
pnp_set_logical_device(dev);
pnp_set_enable(dev, 1); // Just enable it
dev = PNP_DEV(0x4e, W83627EHG_GPIO3);
pnp_set_logical_device(dev);
pnp_set_enable(dev, 0);
pnp_write_config(dev, 0xf0, 0xfb); // GPIO bit 2 is output
pnp_write_config(dev, 0xf1, 0x00); // GPIO bit 2 is 0
pnp_write_config(dev, 0x30, 0x03); // Enable GPIO3+4. pnp_set_enable is not sufficient
dev = PNP_DEV(0x4e, W83627EHG_FDC);
pnp_set_logical_device(dev);
pnp_set_enable(dev, 0);
dev = PNP_DEV(0x4e, W83627EHG_PP);
pnp_set_logical_device(dev);
pnp_set_enable(dev, 0);
/* Enable HWM */
dev = PNP_DEV(0x4e, W83627EHG_HWM);
pnp_set_logical_device(dev);
pnp_set_enable(dev, 0);
pnp_set_iobase(dev, PNP_IDX_IO0, 0xa00);
pnp_set_enable(dev, 1);
pnp_exit_conf_state(dev);
}
void mainboard_late_rcba_config(void)
{
/* Device 1f interrupt pin register */
RCBA32(D31IP) = 0x00042210;
/* Device 1d interrupt pin register */
RCBA32(D28IP) = 0x00214321;
/* dev irq route register */
RCBA16(D31IR) = 0x0132;
RCBA16(D30IR) = 0x0146;
RCBA16(D29IR) = 0x0237;
RCBA16(D28IR) = 0x3201;
RCBA16(D27IR) = 0x0146;
}
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