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Check for Micron string when detecting Aura and Crucial DRAM to ensure right controller gets used

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This commit is contained in:
Adam Honse 2021-10-12 21:42:01 -05:00
parent 3786047f90
commit f37b39e45e
4 changed files with 87 additions and 6 deletions
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50
Controllers/CrucialController/CrucialControllerDetect.cpp
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@ -14,7 +14,7 @@ using namespace std::chrono_literals;
/*----------------------------------------------------------------------*\
| This list contains the available SMBus addresses for Crucial RAM |
\*----------------------------------------------------------------------*/
#define CRUCIAL_ADDRESS_COUNT 4
#define CRUCIAL_ADDRESS_COUNT 8
static const unsigned char crucial_addresses[] =
{
@ -24,10 +24,10 @@ static const unsigned char crucial_addresses[] =
| the same, Aura RAM will be detected as Crucial. |
| We need to improve the Crucial detection scheme. |
\*-----------------------------------------------------*/
// 0x39,
// 0x3A,
// 0x3B,
// 0x3C,
0x39,
0x3A,
0x3B,
0x3C,
0x20,
0x21,
0x22,
@ -46,6 +46,25 @@ std::string concatHexArray(const unsigned char array[], int count, const char sp
}
#define TESTING_ADDRESSES concatHexArray(crucial_addresses, CRUCIAL_ADDRESS_COUNT, "|").c_str()
/******************************************************************************************\
* *
* CrucialRegisterRead *
* *
* A standalone version of the AuraSMBusController::AuraRegisterRead function for *
* access to Aura devices without instancing the AuraSMBusController class or reading *
* the config table from the device. *
* *
\******************************************************************************************/
unsigned char CrucialRegisterRead(i2c_smbus_interface* bus, crucial_dev_id dev, crucial_register reg)
{
//Write Aura register
bus->i2c_smbus_write_word_data(dev, 0x00, ((reg << 8) & 0xFF00) | ((reg >> 8) & 0x00FF));
//Read Aura value
return(bus->i2c_smbus_read_byte_data(dev, 0x81));
}
/******************************************************************************************\
* *
* TestForCrucialController *
@ -79,6 +98,27 @@ bool TestForCrucialController(i2c_smbus_interface* bus, unsigned char address)
pass = false;
}
}
if(pass)
{
LOG_DEBUG("[%s] Checking for Micron string", CRUCIAL_CONTROLLER_NAME);
char buf[16];
for(int i = 0; i < 16; i++)
{
buf[i] = CrucialRegisterRead(bus, address, CRUCIAL_REG_MICRON_CHECK + i);
}
if(strcmp(buf, "Micron") == 0)
{
LOG_DEBUG("[%s] Device %02X is a Micron device, continuing", CRUCIAL_CONTROLLER_NAME, address);
}
else
{
LOG_DEBUG("[%s] Device %02X is not a Micron device, skipping", CRUCIAL_CONTROLLER_NAME, address);
pass = false;
}
}
}
return(pass);