| Angel Pons | 7544e2f | 2020-04-03 01:23:10 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| Dennis Wassenberg | bd10516 | 2015-09-10 12:20:58 +0200 | [diff] [blame] | 2 | |
| Felix Held | 972d9f2 | 2022-02-23 16:32:20 +0100 | [diff] [blame] | 3 | #include <arch/hpet.h> |
| Arthur Heymans | fa5d0f8 | 2019-11-12 19:11:50 +0100 | [diff] [blame] | 4 | #include <bootblock_common.h> |
| Dennis Wassenberg | bd10516 | 2015-09-10 12:20:58 +0200 | [diff] [blame] | 5 | #include <stdint.h> |
| Kyösti Mälkki | 3855c01 | 2019-03-03 08:45:19 +0200 | [diff] [blame] | 6 | #include <device/pnp_ops.h> |
| Dennis Wassenberg | bd10516 | 2015-09-10 12:20:58 +0200 | [diff] [blame] | 7 | #include <device/pnp.h> |
| 8 | #include <northbridge/intel/sandybridge/raminit.h> |
| Dennis Wassenberg | bd10516 | 2015-09-10 12:20:58 +0200 | [diff] [blame] | 9 | #include <southbridge/intel/bd82x6x/pch.h> |
| 10 | #include <superio/ite/it8783ef/it8783ef.h> |
| 11 | #include <superio/ite/common/ite.h> |
| 12 | |
| Arthur Heymans | fa5d0f8 | 2019-11-12 19:11:50 +0100 | [diff] [blame] | 13 | void bootblock_mainboard_early_init(void) |
| Dennis Wassenberg | bd10516 | 2015-09-10 12:20:58 +0200 | [diff] [blame] | 14 | { |
| 15 | const pnp_devfn_t dev = PNP_DEV(0x2e, IT8783EF_GPIO); |
| 16 | |
| 17 | pnp_enter_conf_state(dev); |
| 18 | pnp_set_logical_device(dev); |
| 19 | |
| 20 | pnp_write_config(dev, 0x23, ITE_UART_CLK_PREDIVIDE_24); |
| 21 | |
| 22 | /* Switch multi function for UART4 */ |
| 23 | pnp_write_config(dev, 0x2a, 0x04); |
| 24 | /* Switch multi function for UART3 */ |
| 25 | pnp_write_config(dev, 0x2c, 0x13); |
| 26 | |
| 27 | /* No GPIOs used: Clear any output / pull-up that's set by default */ |
| 28 | pnp_write_config(dev, 0xb8, 0x00); |
| 29 | pnp_write_config(dev, 0xc0, 0x00); |
| 30 | pnp_write_config(dev, 0xc3, 0x00); |
| 31 | pnp_write_config(dev, 0xc8, 0x00); |
| 32 | pnp_write_config(dev, 0xcb, 0x00); |
| 33 | pnp_write_config(dev, 0xef, 0x00); |
| 34 | |
| 35 | pnp_exit_conf_state(dev); |
| 36 | } |
| 37 | |
| Keith Hui | 45e4ab4 | 2023-07-22 12:49:05 -0400 | [diff] [blame] | 38 | void mainboard_fill_pei_data(struct pei_data *pei_data) |
| Dennis Wassenberg | bd10516 | 2015-09-10 12:20:58 +0200 | [diff] [blame] | 39 | { |
| Keith Hui | 7039edd | 2023-07-21 10:12:05 -0400 | [diff] [blame] | 40 | /* TODO: Confirm if need to enable peg10 in devicetree */ |
| 41 | pei_data->pcie_init = 1; |
| Dennis Wassenberg | bd10516 | 2015-09-10 12:20:58 +0200 | [diff] [blame] | 42 | } |