| Marc Jones | 81ef9c2 | 2021-01-21 10:53:47 -0700 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
| Jonathan Zhang | fb2ebbc | 2022-10-26 16:19:40 -0700 | [diff] [blame] | 3 | #include <intelblocks/lpc_lib.h> |
| Marc Jones | 81ef9c2 | 2021-01-21 10:53:47 -0700 | [diff] [blame] | 4 | #include <intelpch/lockdown.h> |
| Jonathan Zhang | 43277976 | 2023-01-23 10:55:09 -0800 | [diff] [blame] | 5 | #include <soc/lockdown.h> |
| Marc Jones | 81ef9c2 | 2021-01-21 10:53:47 -0700 | [diff] [blame] | 6 | #include <soc/pm.h> |
| 7 | |
| Jonathan Zhang | fb2ebbc | 2022-10-26 16:19:40 -0700 | [diff] [blame] | 8 | static void lpc_lockdown_config(void) |
| 9 | { |
| 10 | /* Set BIOS Interface Lock, BIOS Lock */ |
| 11 | lpc_set_bios_interface_lock_down(); |
| 12 | |
| 13 | /* Only allow writes in SMM */ |
| 14 | if (CONFIG(BOOTMEDIA_SMM_BWP)) { |
| 15 | lpc_set_eiss(); |
| 16 | lpc_enable_wp(); |
| 17 | } |
| 18 | lpc_set_lock_enable(); |
| 19 | } |
| 20 | |
| Marc Jones | 81ef9c2 | 2021-01-21 10:53:47 -0700 | [diff] [blame] | 21 | void soc_lockdown_config(int chipset_lockdown) |
| 22 | { |
| Jonathan Zhang | fb2ebbc | 2022-10-26 16:19:40 -0700 | [diff] [blame] | 23 | lpc_lockdown_config(); |
| Jonathan Zhang | 43277976 | 2023-01-23 10:55:09 -0800 | [diff] [blame] | 24 | pmc_lockdown_config(); |
| Marc Jones | 4681b27 | 2021-04-06 14:29:37 -0600 | [diff] [blame] | 25 | sata_lockdown_config(chipset_lockdown); |
| Jonathan Zhang | 43277976 | 2023-01-23 10:55:09 -0800 | [diff] [blame] | 26 | spi_lockdown_config(chipset_lockdown); |
| Marc Jones | 81ef9c2 | 2021-01-21 10:53:47 -0700 | [diff] [blame] | 27 | } |