sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

CorebootPayloadPkg/PlatformBdsLib: Pass more serial parameters

Browse Source 
Pass the serial port baudrate, register stride, input clock rate and
ID from coreboot to CorebootPayloadPkg.

Change-Id: I37111d23216e4effa2909337af7e8a6de36b61f7
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-by: Prince Agyeman <prince.agyeman@intel.com>
This commit is contained in:
Leahy, Leroy P
2016-05-09 10:57:55 -07:00
committed by Prince Agyeman
parent deac23ab96
commit 24ca2f3507
7 changed files with 128 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
CorebootModulePkg/Include/Coreboot.h
View File

@ -80,7 +80,7 @@ struct imd_root {
UINT32 max_entries;
UINT32 num_entries;
UINT32 flags;
UINT32 entry_align;
UINT32 entry_align;
UINT32 max_offset;
struct imd_entry entries[0];
};
@ -165,6 +165,21 @@ struct cb_serial {
UINT32 type;
UINT32 baseaddr;
UINT32 baud;
UINT32 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 input_hertz;
// UART PCI address: bus, device, function
// 1 << 31 - Valid bit, PCI UART in use
// Bus << 20
// Device << 15
// Function << 12
UINT32 uart_pci_addr;
};
#define CB_TAG_CONSOLE 0x00010