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drivers: ospi: hal: add HyperBus Initialization #122

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drivers: ospi: hal: add HyperBus Initialization #122

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11 changes: 5 additions & 6 deletions drivers/ospi/include/ospi.h
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Original file line number Diff line number Diff line change
Expand Up @@ -999,15 +999,14 @@ void ospi_dma_send(struct ospi_regs *ospi, struct ospi_transfer *transfer);
void ospi_dma_transfer(struct ospi_regs *ospi, struct ospi_transfer *transfer);

/**
\fn void ospi_hyperbus_xip_init(struct ospi_regs *ospi, uint8_t wait_cycles,
bool is_dual_octal)
\fn void ospi_hyperbus_xip_init(struct ospi_regs *ospi,
struct ospi_xip_config *xip_cfg)
\brief Initialize hyperbus XIP configuration for the OSPI instance
\param[in] ospi Pointer to the OSPI register map
\param[in] wait_cycles Wait cycles needed by the hyperbus device
\param[in] is_dual_octal OSPI transfer type is Dual Octal
\param[in] ospi Pointer to the OSPI register map
\param[in] xip_cfg Pointer to the xip config structure
\return none
*/
void ospi_hyperbus_xip_init(struct ospi_regs *ospi, uint8_t wait_cycles, bool is_dual_octal);
void ospi_hyperbus_xip_init(struct ospi_regs *ospi, struct ospi_xip_config *xip_cfg);

/**
\fn void ospi_hyperbus_send(struct ospi_regs *spi, ospi_transfer *transfer)
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39 changes: 21 additions & 18 deletions drivers/ospi/src/ospi.c
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Original file line number Diff line number Diff line change
Expand Up @@ -426,33 +426,32 @@ void ospi_dma_transfer(struct ospi_regs *ospi, struct ospi_transfer *transfer)
}

/**
\fn void ospi_hyperbus_xip_init(struct ospi_regs *ospi, uint8_t wait_cycles,
bool is_dual_octal)
\fn void ospi_hyperbus_xip_init(struct ospi_regs *ospi,
struct ospi_xip_config *xip_cfg)
\brief Initialize hyperbus XIP configuration for the OSPI instance
\param[in] ospi Pointer to the OSPI register map
\param[in] wait_cycles Wait cycles needed by the hyperbus device
\param[in] is_dual_octal OSPI transfer type is Dual Octal
\param[in] xip_cfg Pointer to the xip config structure
\return none
*/
void ospi_hyperbus_xip_init(struct ospi_regs *ospi, uint8_t wait_cycles, bool is_dual_octal)
void ospi_hyperbus_xip_init(struct ospi_regs *ospi, struct ospi_xip_config *xip_cfg)
{
uint8_t trans_type;

if (is_dual_octal) {
trans_type = SPI_TRANS_TYPE_FRF_DUAL_OCTAL;
} else {
trans_type = SPI_TRANS_TYPE_STANDARD;
}

ospi_disable(ospi);

ospi->OSPI_SPI_CTRLR0 = 1 << SPI_CTRLR0_SPI_DM_EN_OFFSET;
ospi->OSPI_CTRLR0 = (1 << SPI_CTRLR0_SSI_IS_MST)
| (SPI_FRAME_FORMAT_OCTAL << SPI_CTRLR0_SPI_FRF)
| SPI_CTRLR0_SCPOL_LOW
| SPI_CTRLR0_SCPH_LOW
| (0 << SPI_CTRLR0_SSTE)
| (SPI_TMOD_RX << SPI_CTRLR0_TMOD)
| (SPI_CTRLR0_DFS_16bit << SPI_CTRLR0_DFS);

ospi->OSPI_SPI_CTRLR0 = (1 << SPI_CTRLR0_SPI_DM_EN_OFFSET);

ospi->OSPI_XIP_CTRL = (1 << XIP_CTRL_XIP_HYPERBUS_EN_OFFSET)
| (1 << XIP_CTRL_RXDS_SIG_EN_OFFSET)
| (wait_cycles << XIP_CTRL_WAIT_CYCLES_OFFSET)
| (xip_cfg->xip_wait_cycles << XIP_CTRL_WAIT_CYCLES_OFFSET)
| (1 << XIP_CTRL_DFS_HC_OFFSET)
| (trans_type << XIP_CTRL_TRANS_TYPE_OFFSET);
| (SPI_TRANS_TYPE_FRF_DEFINED << XIP_CTRL_TRANS_TYPE_OFFSET);

ospi->OSPI_XIP_WRITE_CTRL = (1 << XIP_WRITE_CTRL_XIPWR_HYPERBUS_EN_OFFSET)
| (1 << XIP_WRITE_CTRL_XIPWR_DM_EN_OFFSET)
Expand All @@ -461,9 +460,13 @@ void ospi_hyperbus_xip_init(struct ospi_regs *ospi, uint8_t wait_cycles, bool is
|| defined(CONFIG_ENSEMBLE_GEN2))
| (1 << XIP_WRITE_CTRL_XIPWR_DFS_HC_OFFSET)
#endif
| (trans_type << XIP_WRITE_CTRL_WR_TRANS_TYPE_OFFSET)
| (wait_cycles << XIP_WRITE_CTRL_XIPWR_WAIT_CYCLES);
| (SPI_TRANS_TYPE_FRF_DEFINED << XIP_WRITE_CTRL_WR_TRANS_TYPE_OFFSET)
| (xip_cfg->xip_wait_cycles << XIP_WRITE_CTRL_XIPWR_WAIT_CYCLES);

#if (defined(CONFIG_SOC_SERIES_E7) || defined(CONFIG_SOC_SERIES_E5) \
|| defined(CONFIG_SOC_SERIES_E3) || defined(CONFIG_SOC_SERIES_E1))
ospi_control_xip_ss(ospi, xip_cfg->xip_cs_pin, SPI_SS_STATE_ENABLE);
#endif
ospi_enable(ospi);
}

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