coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
Data Structures | Macros | Enumerations | Functions
raminit.h File Reference
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Data Structures

struct  timings
 
struct  dimminfo
 
struct  pllparam
 
struct  sysinfo
 

Macros

#define SYSINFO_DIMM_NOT_POPULATED   0x00
 
#define SYSINFO_DIMM_X16SS   0x01
 
#define SYSINFO_DIMM_X16DS   0x02
 
#define SYSINFO_DIMM_X8DS   0x05
 
#define SYSINFO_DIMM_X8DDS   0x06
 

Enumerations

enum  fsb_clk { FSB_CLOCK_667MHz = 0 , FSB_CLOCK_800MHz = 1 }
 
enum  mem_clk { MEM_CLOCK_667MHz = 0 , MEM_CLOCK_800MHz = 1 }
 
enum  ddr { DDR2 = 2 , DDR3 = 3 , DDR2 = 2 , DDR3 = 3 }
 
enum  chip_width {
  CHIP_WIDTH_x4 = 0 , CHIP_WIDTH_x8 = 1 , CHIP_WIDTH_x16 = 2 , CHIP_WIDTH_x32 = 3 ,
  CHIP_WIDTH_x4 = 0 , CHIP_WIDTH_x8 = 1 , CHIP_WIDTH_x16 = 2 , CHIP_WIDTH_x32 = 3
}
 
enum  chip_cap {
  CHIP_CAP_256M = 0 , CHIP_CAP_512M = 1 , CHIP_CAP_1G = 2 , CHIP_CAP_2G = 3 ,
  CHIP_CAP_4G = 4 , CHIP_CAP_8G = 5 , CHIP_CAP_16G = 6 , CHIP_CAP_256M = 0 ,
  CHIP_CAP_512M = 1 , CHIP_CAP_1G = 2 , CHIP_CAP_2G = 3 , CHIP_CAP_4G = 4 ,
  CHIP_CAP_8G = 5 , CHIP_CAP_16G = 6
}
 

Functions

void sdram_initialize (int boot_path, const u8 *sdram_addresses)
 

Macro Definition Documentation

◆ SYSINFO_DIMM_NOT_POPULATED

#define SYSINFO_DIMM_NOT_POPULATED   0x00

Definition at line 6 of file raminit.h.

◆ SYSINFO_DIMM_X16DS

#define SYSINFO_DIMM_X16DS   0x02

Definition at line 8 of file raminit.h.

◆ SYSINFO_DIMM_X16SS

#define SYSINFO_DIMM_X16SS   0x01

Definition at line 7 of file raminit.h.

◆ SYSINFO_DIMM_X8DDS

#define SYSINFO_DIMM_X8DDS   0x06

Definition at line 10 of file raminit.h.

◆ SYSINFO_DIMM_X8DS

#define SYSINFO_DIMM_X8DS   0x05

Definition at line 9 of file raminit.h.

Enumeration Type Documentation

◆ chip_cap

enum chip_cap
Enumerator
CHIP_CAP_256M 
CHIP_CAP_512M 
CHIP_CAP_1G 
CHIP_CAP_2G 
CHIP_CAP_4G 
CHIP_CAP_8G 
CHIP_CAP_16G 
CHIP_CAP_256M 
CHIP_CAP_512M 
CHIP_CAP_1G 
CHIP_CAP_2G 
CHIP_CAP_4G 
CHIP_CAP_8G 
CHIP_CAP_16G 

Definition at line 34 of file raminit.h.

◆ chip_width

enum chip_width
Enumerator
CHIP_WIDTH_x4 
CHIP_WIDTH_x8 
CHIP_WIDTH_x16 
CHIP_WIDTH_x32 
CHIP_WIDTH_x4 
CHIP_WIDTH_x8 
CHIP_WIDTH_x16 
CHIP_WIDTH_x32 

Definition at line 27 of file raminit.h.

◆ ddr

enum ddr
Enumerator
DDR2 
DDR3 
DDR2 
DDR3 

Definition at line 22 of file raminit.h.

◆ fsb_clk

enum fsb_clk
Enumerator
FSB_CLOCK_667MHz 
FSB_CLOCK_800MHz 

Definition at line 12 of file raminit.h.

◆ mem_clk

enum mem_clk
Enumerator
MEM_CLOCK_667MHz 
MEM_CLOCK_800MHz 

Definition at line 17 of file raminit.h.

Function Documentation

◆ sdram_initialize()

void sdram_initialize ( int  boot_path,
const u8 *  spd_map 
)
Parameters
boot_path0 = normal, 1 = reset, 2 = resume from s3
spd_addressespointer to a list of SPD addresses
boot_path0 = normal, 1 = reset, 2 = resume from s3

Definition at line 2682 of file raminit.c.