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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/centaur/procedures/hwp/memory/p9c_mss_get_cen_ecid_decode.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016,2017 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
/// @file p9c_mss_get_cen_ecid_decode.C
/// @brief HWP for decoding ECID
///
/// *HWP HWP Owner: Luke Mulkey <lwmulkey@us.ibm.com>
/// *HWP HWP Backup:
/// *HWP Team: Memory
/// *HWP Level: 2
/// *HWP Consumed by: HB
//////
//------------------------------------------------------------------------------
// Includes
//------------------------------------------------------------------------------
#include <fapi2.H>
#include <p9c_mss_get_cen_ecid_decode.H>
extern "C" {
//------------------------------------------------------------------------------
// Function definitions
//------------------------------------------------------------------------------
// HWP entry point
fapi2::ReturnCode p9c_mss_get_cen_ecid_decode(
uint8_t& i_ddr_port_status,
uint8_t& i_cache_enable,
uint8_t& i_centaur_sub_revision,
ecid_user_struct& i_user_info,
char* o_display_string
)
{
// return code
//void decode_base_code(uint64_t ecid[2], uint8_t ddr_port, uint8_t cache_enable_o, uint8_t centaur_sub_revision_o, uint8_t nwell, uint8_t waterfall_broken, uint8_t user_input, uint8_t psro, uint8_t i_ec) {
//checks the DDR ports and outputs the results
//prints out all of the information
uint32_t t = i_user_info.io_ecid[0];
fapi2::variable_buffer temp(64);
uint64_t data[2];
data[0] = i_user_info.io_ecid[0];
data[1] = i_user_info.io_ecid[1];
char ecid_char;
uint8_t c = 0;
float chip_version;
char ECID[13];
for(int i = 0; i < 13; i++)
{
ECID[i] = '\0';
}
uint8_t x = 0;
uint8_t y = 0;
char temp_string[200];
o_display_string[0] = '\0';
FAPI_TRY(temp.insert(t, 32, 32, 0));
t = data[0] >> 32;
FAPI_TRY(temp.insert(t, 0, 32, 0));
for(uint8_t i = 0; i < 10; i++)
{
FAPI_TRY(temp.extract(c, 4 + i * 6, 6));
c = c >> 2;
FAPI_TRY(get_ecid_char( c, &ecid_char));
ECID[i] = ecid_char;
}
get_ecid_checksum(ECID);
//generates the x and y location from the ecid
t = data[1];
FAPI_TRY(temp.insert(t, 32, 32, 0));
t = data[1] >> 32;
FAPI_TRY(temp.insert(t, 0, 32, 0));
FAPI_TRY(temp.extract(x, 0, 8));
FAPI_TRY(temp.extract(y, 8, 8));
chip_version = i_user_info.io_ec / 0x10;
if(i_user_info.io_ec < 0x20)
{
if(!i_user_info.o_nwell_misplacement)
{
chip_version = 1.01;
}
if(!i_user_info.o_bluewaterfall_broken)
{
chip_version = 1.10;
}
}
else
{
chip_version = 2.00;
}
if(!(i_user_info.i_user_defined & CSV))
{
sprintf(temp_string, "ECID(1:64) 0x%016llx\n", static_cast<unsigned long long int>(i_user_info.io_ecid[0]));
strcat(o_display_string, temp_string);
sprintf(temp_string, "ECID(65:128) 0x%016llx\n", static_cast<unsigned long long int>(i_user_info.io_ecid[1]));
strcat(o_display_string, temp_string);
sprintf(temp_string, " Wafer ID: %s\n", ECID);
strcat(o_display_string, temp_string);
sprintf(temp_string, " Chip X/Y loc: x:%d y:%d\n", x, y);
strcat(o_display_string, temp_string);
sprintf(temp_string, " Chip version: DD%.02f\n", chip_version);
strcat(o_display_string, temp_string);
switch(i_cache_enable)
{
case fapi2::ENUM_ATTR_CEN_MSS_CACHE_ENABLE_ON:
sprintf(temp_string, " All eDRAMs Halves are good\n"); // Note A is Even, B is Odd
break;
case fapi2::ENUM_ATTR_CEN_MSS_CACHE_ENABLE_HALF_A:
sprintf(temp_string, " eDRAM Half A is good. eDRAM Half B is bad\n");
break;
case fapi2::ENUM_ATTR_CEN_MSS_CACHE_ENABLE_HALF_B:
sprintf(temp_string, " eDRAM Half A is bad. eDRAM Half B is good\n");
break;
case fapi2::ENUM_ATTR_CEN_MSS_CACHE_ENABLE_OFF:
sprintf(temp_string, " All eDRAMs Halves are bad\n");
break;
case fapi2::ENUM_ATTR_CEN_MSS_CACHE_ENABLE_UNK_ON:
sprintf(temp_string, " All eDRAMs Halves are full unk good\n");
break;
case fapi2::ENUM_ATTR_CEN_MSS_CACHE_ENABLE_UNK_HALF_A:
sprintf(temp_string, " All eDRAMs A or Even unk good\n");
break;
case fapi2::ENUM_ATTR_CEN_MSS_CACHE_ENABLE_UNK_HALF_B:
sprintf(temp_string, " All eDRAMs B or odd unk good\n");
break;
default:
sprintf(temp_string, " All eDRAMs Halves are full unk bad\n");
break;
}
strcat(o_display_string, temp_string);
if(i_ddr_port_status == 0)
{
sprintf(temp_string, " All DDR Ports are good\n");
}
else if(i_ddr_port_status == 1)
{
sprintf(temp_string, " DDR Port 0/1 is good. DDR Port 2/3 is bad\n");
}
else if(i_ddr_port_status == 2)
{
sprintf(temp_string, " DDR Port 0/1 is bad. DDR Port 2/3 is good\n");
}
else
{
sprintf(temp_string, " All DDR Ports are bad\n"); // this is informational, so no callouts are made
}
strcat(o_display_string, temp_string);
sprintf(temp_string, " PSRO: 0x%02x %f ps\n", i_user_info.o_psro, i_user_info.o_psro * 0.025 + 7.5);
strcat(o_display_string, temp_string);
}
//prints out a CSV
else
{
uint8_t repair, bad_edram_a, bad_edram_b;
uint8_t bad_ddr_port01, bad_ddr_port23;
if(i_cache_enable == fapi2::ENUM_ATTR_CEN_MSS_CACHE_ENABLE_ON)
{
repair = 1;
bad_edram_a = 0;
bad_edram_b = 0;
}
else if(i_cache_enable == fapi2::ENUM_ATTR_CEN_MSS_CACHE_ENABLE_HALF_A)
{
repair = 1;
bad_edram_a = 0;
bad_edram_b = 1;
}
else if(i_cache_enable == fapi2::ENUM_ATTR_CEN_MSS_CACHE_ENABLE_HALF_B)
{
repair = 1;
bad_edram_a = 1;
bad_edram_b = 0;
}
else if(i_cache_enable == fapi2::ENUM_ATTR_CEN_MSS_CACHE_ENABLE_OFF)
{
repair = 1;
bad_edram_a = 1;
bad_edram_b = 1;
}
// else if(cache_enable_o == fapi2::ENUM_ATTR_CEN_MSS_CACHE_ENABLE_UNK_ON) {repair=0;bad_edram_a=0;bad_edram_b=0; }
// else if(cache_enable_o == fapi2::ENUM_ATTR_CEN_MSS_CACHE_ENABLE_UNK_HALF_A) {repair=0;bad_edram_a=0;bad_edram_b=1; }
// else if(cache_enable_o == fapi2::ENUM_ATTR_CEN_MSS_CACHE_ENABLE_UNK_HALF_B) {repair=0;bad_edram_a=1;bad_edram_b=0; }
else
{
repair = 0;
bad_edram_a = 1;
bad_edram_b = 1;
}
if(i_ddr_port_status == 0)
{
bad_ddr_port01 = 0 ;
bad_ddr_port23 = 0;
}
else if(i_ddr_port_status == 1)
{
bad_ddr_port01 = 0 ;
bad_ddr_port23 = 1;
}
else if(i_ddr_port_status == 2)
{
bad_ddr_port01 = 1 ;
bad_ddr_port23 = 0;
}
else
{
bad_ddr_port01 = 1 ;
bad_ddr_port23 = 1;
}
sprintf(o_display_string, "%s,%d,%d,%0.2f,%d,%d,%d,%d,%d,%f ps\n", ECID, x, y, chip_version, repair, bad_edram_a,
bad_edram_b, bad_ddr_port01, bad_ddr_port23, ((float)i_user_info.o_psro * 0.025 + 7.5));
}
fapi_try_exit:
return fapi2::current_err;
}
//gets the character for the ECID
fapi2::ReturnCode get_ecid_char(uint8_t c, char* creturn)
{
//c is a number, so use the offset for a number
if(c < 10)
{
*creturn = (char)(c + 48);
}
else
{
*creturn = (char)(c + 55);
}
return fapi2::FAPI2_RC_SUCCESS;
}
//gets the checksum, the last two characters, in the ecid string
void get_ecid_checksum(char ECID[13])
{
char rtn[13];
for(uint32_t i = 0; i < 10; i++)
{
rtn[i] = ECID[i];
}
rtn[10] = 'A';
rtn[11] = '0';
rtn[12] = '\0';
int sum = 0;
for (uint32_t i = 0; i < 12; i++)
{
sum = ((sum * 8) + (rtn[i] - 32)) % 59;
}
if (sum != 0)
{
int adjust = 59 - sum;
rtn[11] += adjust & 7;
adjust >>= 3;
rtn[10] += adjust & 7;
}
for (uint32_t i = 0; i < 13; i++)
{
ECID[i] = rtn[i];
}
}
} // extern "C"
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