| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <bootblock_common.h> |
| #include <device/pci_ops.h> |
| #include <device/pnp_ops.h> |
| #include <device/pnp_def.h> |
| #include <option.h> |
| #include <northbridge/intel/i945/i945.h> |
| #include <southbridge/intel/i82801gx/i82801gx.h> |
| #include <superio/winbond/common/winbond.h> |
| #include <superio/winbond/w83627thg/w83627thg.h> |
| |
| /* Override the default lpc decode ranges */ |
| void mainboard_lpc_decode(void) |
| { |
| int lpt_en = 0; |
| |
| if (get_int_option("lpt", 0)) |
| lpt_en = LPT_LPC_EN; /* enable LPT */ |
| |
| pci_update_config16(PCI_DEV(0, 0x1f, 0), LPC_EN, ~LPT_LPC_EN, lpt_en); |
| } |
| |
| /* This box has two superios, so enabling serial becomes slightly excessive. |
| * We disable a lot of stuff to make sure that there are no conflicts between |
| * the two. 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 = PNP_DEV(0x2e, W83627THG_SP1); |
| pnp_enter_conf_state(dev); |
| |
| pnp_write_config(dev, 0x24, 0xc6); /* PNPCSV */ |
| |
| pnp_write_config(dev, 0x29, 0x43); /* GPIO settings */ |
| pnp_write_config(dev, 0x2a, 0x40); /* GPIO settings */ |
| |
| dev = PNP_DEV(0x2e, W83627THG_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(0x2e, W83627THG_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_set_enable(dev, 1); |
| |
| dev = PNP_DEV(0x2e, W83627THG_KBC); |
| 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_set_enable(dev, 1); |
| |
| dev = PNP_DEV(0x2e, W83627THG_GAME_MIDI_GPIO1); |
| pnp_set_logical_device(dev); |
| pnp_set_enable(dev, 0); |
| pnp_write_config(dev, PNP_IDX_MSC5, 0xff); /* invert all GPIOs */ |
| pnp_set_enable(dev, 1); |
| |
| dev = PNP_DEV(0x2e, W83627THG_GPIO2); |
| pnp_set_logical_device(dev); |
| pnp_set_enable(dev, 1); /* Just enable it */ |
| |
| dev = PNP_DEV(0x2e, W83627THG_GPIO3); |
| pnp_set_logical_device(dev); |
| pnp_set_enable(dev, 0); |
| pnp_write_config(dev, PNP_IDX_MSC0, 0xfb); /* GPIO bit 2 is output */ |
| pnp_write_config(dev, PNP_IDX_MSC1, 0x00); /* GPIO bit 2 is 0 */ |
| /* Enable GPIO3+4. pnp_set_enable is not sufficient */ |
| pnp_write_config(dev, PNP_IDX_EN, 0x03); |
| |
| dev = PNP_DEV(0x2e, W83627THG_FDC); |
| pnp_set_logical_device(dev); |
| pnp_set_enable(dev, 0); |
| |
| dev = PNP_DEV(0x2e, W83627THG_PP); |
| pnp_set_logical_device(dev); |
| pnp_set_enable(dev, 0); |
| |
| /* Enable HWM */ |
| dev = PNP_DEV(0x2e, W83627THG_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); |
| |
| dev = PNP_DEV(0x4e, W83627THG_SP1); |
| pnp_enter_conf_state(dev); |
| |
| pnp_set_logical_device(dev); /* Set COM3 to sane non-conflicting values */ |
| pnp_set_enable(dev, 0); |
| pnp_set_iobase(dev, PNP_IDX_IO0, 0x3e8); |
| pnp_set_irq(dev, PNP_IDX_IRQ0, 11); |
| pnp_set_enable(dev, 1); |
| |
| dev = PNP_DEV(0x4e, W83627THG_SP2); |
| pnp_set_logical_device(dev); /* Set COM4 to sane non-conflicting values */ |
| pnp_set_enable(dev, 0); |
| pnp_set_iobase(dev, PNP_IDX_IO0, 0x2e8); |
| pnp_set_irq(dev, PNP_IDX_IRQ0, 10); |
| pnp_set_enable(dev, 1); |
| |
| dev = PNP_DEV(0x4e, W83627THG_FDC); |
| pnp_set_logical_device(dev); |
| pnp_set_enable(dev, 0); |
| |
| dev = PNP_DEV(0x4e, W83627THG_PP); |
| pnp_set_logical_device(dev); |
| pnp_set_enable(dev, 0); |
| |
| dev = PNP_DEV(0x4e, W83627THG_KBC); |
| pnp_set_logical_device(dev); |
| pnp_set_enable(dev, 0); |
| pnp_set_iobase(dev, PNP_IDX_IO0, 0x00); |
| pnp_set_iobase(dev, PNP_IDX_IO1, 0x00); |
| |
| 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) = 0x3241; |
| RCBA16(D29IR) = 0x0237; |
| RCBA16(D28IR) = 0x3210; |
| RCBA16(D27IR) = 0x3210; |
| |
| /* Enable PCIe Root Port Clock Gate */ |
| } |