Implementing APS12808L-3OBM HyperRam in Memory Mapped Mode on STM32H725. Does anyone have a working configuration?
I'm implementing a custom board with an APS12808L-3OBM HyperRam in Memory Mapped Mode on STM32H725, as recommended by ST to replace the S70KL1281 memory.
I'm having some problems getting the ram to respond. This is my current configuration:
static void MX_OCTOSPI2_Init(void)
{
/* USER CODE BEGIN OCTOSPI2_Init 0 */
BSP_OSPI_RAM_Init_t ospi_ram_init;
/* USER CODE END OCTOSPI2_Init 0 */
OSPIM_CfgTypeDef sOspiManagerCfg = {0};
OSPI_HyperbusCfgTypeDef sHyperBusCfg = {0};
/* USER CODE BEGIN OCTOSPI2_Init 1 */
OSPI_HyperbusCmdTypeDef sCommand = { 0 };
OSPI_MemoryMappedTypeDef sMemMappedCfg = { 0 };
/* USER CODE END OCTOSPI2_Init 1 */
/* OCTOSPI2 parameter configuration*/
hospi2.Instance = OCTOSPI2;
hospi2.Init.FifoThreshold = 4;
hospi2.Init.DualQuad = HAL_OSPI_DUALQUAD_DISABLE;
hospi2.Init.MemoryType = HAL_OSPI_MEMTYPE_HYPERBUS;
hospi2.Init.DeviceSize = 24;
hospi2.Init.ChipSelectHighTime = 4;
hospi2.Init.FreeRunningClock = HAL_OSPI_FREERUNCLK_DISABLE;
hospi2.Init.ClockMode = HAL_OSPI_CLOCK_MODE_0;
hospi2.Init.WrapSize = HAL_OSPI_WRAP_NOT_SUPPORTED;
hospi2.Init.ClockPrescaler = 2;
hospi2.Init.SampleShifting = HAL_OSPI_SAMPLE_SHIFTING_NONE;
hospi2.Init.DelayHoldQuarterCycle = HAL_OSPI_DHQC_ENABLE;
hospi2.Init.ChipSelectBoundary = 23;
hospi2.Init.DelayBlockBypass = HAL_OSPI_DELAY_BLOCK_USED;
hospi2.Init.MaxTran = 0;
hospi2.Init.Refresh = 400;
if (HAL_OSPI_Init(&hospi2) != HAL_OK)
{
Error_Handler();
}
sOspiManagerCfg.ClkPort = 2;
sOspiManagerCfg.DQSPort = 2;
sOspiManagerCfg.NCSPort = 2;
sOspiManagerCfg.IOLowPort = HAL_OSPIM_IOPORT_2_LOW;
sOspiManagerCfg.IOHighPort = HAL_OSPIM_IOPORT_2_HIGH;
if (HAL_OSPIM_Config(&hospi2, &sOspiManagerCfg, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
{
Error_Handler();
}
sHyperBusCfg.RWRecoveryTime = 4;
sHyperBusCfg.AccessTime = 6;
sHyperBusCfg.WriteZeroLatency = HAL_OSPI_LATENCY_ON_WRITE;
sHyperBusCfg.LatencyMode = HAL_OSPI_FIXED_LATENCY;
if (HAL_OSPI_HyperbusCfg(&hospi2, &sHyperBusCfg, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN OCTOSPI2_Init 2 */
sCommand.AddressSpace = HAL_OSPI_MEMORY_ADDRESS_SPACE;
sCommand.AddressSize = HAL_OSPI_ADDRESS_32_BITS;
sCommand.DQSMode = HAL_OSPI_DQS_ENABLE;
sCommand.Address = 0;
sCommand.NbData = 1;
if (HAL_OSPI_HyperbusCmd(&hospi2, &sCommand, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK)
{
Error_Handler();
}
sMemMappedCfg.TimeOutActivation = HAL_OSPI_TIMEOUT_COUNTER_DISABLE;
if (HAL_OSPI_MemoryMapped(&hospi2, &sMemMappedCfg) != HAL_OK)
{
Error_Handler();
}
/* USER CODE END OCTOSPI2_Init 2 */
}
Does anyone have a working configuration? Any suggestions?
