| Stefan Reinauer | 86ddd73 | 2016-03-11 20:22:28 -0800 | [diff] [blame] | 1 | config DRIVERS_MC146818 |
| 2 | bool |
| 3 | default y if ARCH_X86 |
| 4 | depends on PC80_SYSTEM |
| Nico Huber | dee281d | 2021-07-12 17:10:59 +0200 | [diff] [blame] | 5 | |
| 6 | config USE_PC_CMOS_ALTCENTURY |
| 7 | bool "Use legacy-BIOS alt-century byte in CMOS" |
| 8 | default y if !USE_OPTION_TABLE |
| 9 | depends on DRIVERS_MC146818 |
| 10 | help |
| 11 | May be useful for legacy OSes that assume its presence. |
| Jonathon Hall | 78f8343 | 2023-05-01 13:42:46 -0400 | [diff] [blame] | 12 | |
| 13 | config PC_CMOS_BASE_PORT_BANK0 |
| Arthur Heymans | 1f5d168 | 2023-08-09 16:10:33 +0200 | [diff] [blame^] | 14 | hex |
| Jonathon Hall | 78f8343 | 2023-05-01 13:42:46 -0400 | [diff] [blame] | 15 | default 0x70 |
| 16 | |
| 17 | config PC_CMOS_BASE_PORT_BANK1 |
| Arthur Heymans | 1f5d168 | 2023-08-09 16:10:33 +0200 | [diff] [blame^] | 18 | hex |
| Jonathon Hall | 78f8343 | 2023-05-01 13:42:46 -0400 | [diff] [blame] | 19 | default 0x72 |