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SPD improvements

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This commit is contained in:
RichardG867
2020-04-26 19:24:15 -03:00
parent 3d5f9de060
commit 958413a33d
2 changed files with 79 additions and 18 deletions
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31
src/include/86box/spd.h
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@@ -8,7 +8,7 @@
*
* Emulation of SPD (Serial Presence Detect) devices.
*
* Version: @(#)spd.h 1.0.0 2020/03/24
*
*
* Authors: RichardG, <richardg867@gmail.com>
*
@@ -19,15 +19,19 @@
#define SPD_BASE_ADDR 0x50
#define SPD_MAX_SLOTS 8
#define SPD_DATA_SIZE 256
#define SPD_TYPE_FPM 0x01
#define SPD_TYPE_EDO 0x02
#define SPD_TYPE_SDRAM 0x04
#define SPD_MIN_SIZE_EDO 8
#define SPD_MIN_SIZE_SDRAM 8
#define SPD_SDR_SIGNAL_LVTTL 0x01
#define SPD_SIGNAL_LVTTL 0x01
#define SPD_SDR_REFRESH_NORMAL 0x00
#define SPD_REFRESH_NORMAL 0x00
#define SPD_SDR_REFRESH_SELF 0x80
#define SPD_SDR_BURST_PAGE 0x80
@@ -43,6 +47,24 @@
#define SPD_SDR_ATTR_VCC_HI_5 0x20
typedef struct _spd_edo_ {
uint8_t bytes_used, spd_size, mem_type,
row_bits, col_bits, banks,
data_width_lsb, data_width_msb,
signal_level, trac, tcac,
config, refresh_rate,
dram_width, ecc_width,
reserved[47],
spd_rev, checksum,
mfg_jedec[8], mfg_loc;
char part_no[18];
uint8_t rev_code[2],
mfg_year, mfg_week, serial[4], mfg_specific[27],
vendor_specific[2],
other_data[127],
checksum2;
} spd_edo_t;
typedef struct _spd_sdram_ {
uint8_t bytes_used, spd_size, mem_type,
row_bits, col_bits, rows,
@@ -63,7 +85,8 @@ typedef struct _spd_sdram_ {
uint8_t rev_code[2],
mfg_year, mfg_week, serial[4], mfg_specific[27],
freq, features,
other_data[128];
other_data[127],
checksum2;
} spd_sdram_t;