diff options
Diffstat (limited to 'src/commonlib/include')
| -rw-r--r-- | src/commonlib/include/commonlib/coreboot_tables.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/commonlib/include/commonlib/coreboot_tables.h b/src/commonlib/include/commonlib/coreboot_tables.h index 5c28791594..7d58fddbb9 100644 --- a/src/commonlib/include/commonlib/coreboot_tables.h +++ b/src/commonlib/include/commonlib/coreboot_tables.h @@ -173,6 +173,21 @@ struct lb_serial { uint32_t baseaddr; uint32_t baud; uint32_t regwidth; + + /* Crystal or input frequency to the chip containing the UART. + * Provide the board specific details to allow the payload to + * initialize the chip containing the UART and make independent + * decisions as to which dividers to select and their values + * to eventually arrive at the desired console baud-rate. */ + uint32_t input_hertz; + + /* UART PCI address: bus, device, function + * 1 << 31 - Valid bit, PCI UART in use + * Bus << 20 + * Device << 15 + * Function << 12 + */ + uint32_t uart_pci_addr; }; #define LB_TAG_CONSOLE 0x0010 |