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Add support for nVidia nForce2 MCP (#86)

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This commit is contained in:
Sam Demeulemeester
2022-05-24 01:00:52 +02:00
parent 1383f871d8
commit 7c969db4da
2 changed files with 120 additions and 6 deletions
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27
system/smbus.h
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@@ -13,6 +13,8 @@
#define I2C_WRITE 0
#define I2C_READ 1
#define SPD5_MR11 11
/* i801 Hosts Addresses */
#define SMBHSTSTS smbusbase
#define SMBHSTCNT smbusbase + 2
@@ -50,7 +52,27 @@
#define AMD_SMBUS_BASE_REG 0x2C
#define AMD_PM_INDEX 0x00
#define SPD5_MR11 11
/* nVidia-Specific constants */
#define NV_SMBUS_ADR_REG 0x20
#define NV_OLD_SMBUS_ADR_REG 0x50
#define NVSMBCNT smbusbase + 0
#define NVSMBSTS smbusbase + 1
#define NVSMBADD smbusbase + 2
#define NVSMBCMD smbusbase + 3
#define NVSMBDAT(x) (smbusbase + 4 + (x))
#define NVSMBCNT_WRITE 0x00
#define NVSMBCNT_READ 0x01
#define NVSMBCNT_QUICK 0x02
#define NVSMBCNT_BYTE 0x04
#define NVSMBCNT_BYTE_DATA 0x06
#define NVSMBCNT_WORD_DATA 0x08
#define NVSMBSTS_DONE 0x80
#define NVSMBSTS_ALRM 0x40
#define NVSMBSTS_RES 0x20
#define NVSMBSTS_STATUS 0x1f
struct pci_smbus_controller{
unsigned vendor;
@@ -89,9 +111,6 @@ typedef struct ram_infos {
extern ram_info ram;
#define get_spd(slot_idx, spd_adr) \
ich5_read_spd_byte(slot_idx, spd_adr)
/**
* Print SMBUS Info
*/