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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: chips/p9/procedures/hwp/memory/lib/shared/mss_const.H $ */
/* */
/* IBM CONFIDENTIAL */
/* */
/* EKB Project */
/* */
/* COPYRIGHT 2015 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* The source code for this program is not published or otherwise */
/* divested of its trade secrets, irrespective of what has been */
/* deposited with the U.S. Copyright Office. */
/* */
/* IBM_PROLOG_END_TAG */
///
/// @mss_const.H
/// @This file contains constants for the memory team.
///
// *HWP HWP Owner: Brian Silver <bsilver@us.ibm.com>
// *HWP HWP Backup: Andre Marin <aamarin@us.ibm.com>
// *HWP Team: Memory
// *HWP Level: 2
// *HWP Consumed by: HB:FSP
#ifndef _MSS_CONST_H_
#define _MSS_CONST_H_
namespace mss
{
enum sizes
{
PORTS_PER_MCS = 2,
PORTS_PER_MCBIST = 4,
MAX_DIMM_PER_PORT = 2,
MAX_RANK_PER_DIMM = 4,
RANK_MID_POINT = 4, ///< Which rank number indicates the switch to the other DIMM
DEFAULT_POLL_LIMIT = 10, ///< the number of poll attempts in the event we can't calculate another
MAX_NUM_IMP = 4, ///< number of impedances valid per slew type
MAX_NUM_CAL_SLEW_RATES = 4, ///< 3V/ns, 4V/ns, 5V/ns, 6V/n
MAX_SLEW_VALUE = 15, ///< 4 bit value
MAX_SUPPORTED_FREQUENCIES = 1, ///< Number of supported frequencies. Right now it's only 2400
// All need to be attributes - BRS
// 48:51, 0b1100, (def_is_sim); # BIG_STEP = 12 (changed from default for SIM)
// 48:51, 0b0000, any; # BIG_STEP = 0 SWyatt
// #48:51, 0b0010, any; # BIG_STEP = 2 (default)
// 52:54, 0b000, any; # SMALL_STEP = 0 (default) SWyatt
//#52:54, 0b001, any; # SMALL_STEP = 1 (!! recommend setting to 0)
// 55:60, 0b101010, any; # WR_PRE_DLY = 42
WR_LVL_BIG_STEP = 0b1100,
WR_LVL_SMALL_STEP = 0b000,
WR_LVL_PRE_DLY = 0b101010,
WR_LVL_NUM_VALID_SAMPLES = 0x5,
// THIS IS LIKELY INCORRECT - Should be defined in the DDR4 write centering protocol BRS
// This field must be set to the larger of the two values in number of memory clock cycles.
// FW_RD_WR = max(tWTR + 11, AL + tRTP + 3)
WR_CNTR_FW_RD_WR = 0x11 + 4,
WR_CNTR_FW_WR_RD = 0x0,
// Attribute? BRS
COARSE_CAL_STEP_SIZE = 0x4,
CONSEQ_PASS = 0x8,
};
enum times
{
CONVERT_PS_IN_A_NS = 1000, ///< 1000 pico in an nano
CONVERT_PS_IN_A_US = 1000000, ///< 1000000 picos in a micro
DELAY_1NS = 1,
DELAY_10NS = 10 , ///< general purpose 10 ns delay for HW mode
DELAY_100NS = 100, ///< general purpose 100 ns delay for HW mode
DELAY_1US = 1000, ///< general purpose 1 usec delay for HW mode
DELAY_100US = 100000, ///< general purpose 100 usec delay for HW mode
// From the DDR4spec 2400 speed - need to be changed to read attributes. BRS
tWLO = 10,
tWLOE = 2,
};
enum states
{
LOW = 0,
HIGH = 1,
START = 1,
STOP = 0,
START_N = 0,
STOP_N = 1,
ON = 1,
OFF = 0,
ON_N = 0,
OFF_N = 1,
INVALID = 0xFF,
// This needs to be an attribute I think - BRS. Used as a boolean.
CAL_ABORT_ON_ERROR = 1,
};
// Static consts describing the bits used in the cal_step_enable attribute
// These are bit positions. 0 is the left most bit.
enum cal_steps
{
EXT_ZQCAL = 0,
WR_LEVEL = 1,
DQS_ALIGN = 2,
RDCLK_ALIGN = 3,
READ_CTR = 4,
READ_CTR_2D_VREF = 5,
WRITE_CTR = 6,
WRITE_CTR_2D_VREF = 7,
COARSE_WR = 8,
COARSE_RD = 9,
};
namespace mcbist
{
enum data_mode
{
// MCBIST test data modes
FIXED_DATA_MODE = 0b000,
RAND_FWD_MODE = 0b001,
RAND_REV_MODE = 0b010,
RAND_FWD_MAINT = 0b011,
RAND_REV_MAINT = 0b100,
DATA_EQ_ADDR = 0b101,
ROTATE_LEFT_MODE = 0b110,
ROTATE_RIGHT_MODE = 0b111,
};
} // namespace mcbist
}
#endif
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