octospi_internal.c File Reference

Macros
#define	UDMA_DATA_MAX_SIZE

Functions
void	__pi_octospi_0_irq_handler (void)
void	__pi_octospi_1_irq_handler (void)
static void	__pi_octospi_handler (void *arg)
void	__pi_octospi_irq_handler (uint8_t octospi_id)
static void	__pi_octospi_clk_div_get (struct octospi_cs_data_s *cs_data, uint32_t baudrate)
static void	__pi_octospi_device_settings_set (struct octospi_cs_data_s *cs_data, uint32_t cs_max)
static void	__pi_octospi_ospi_config_set (struct octospi_cs_data_s *cs_data, pi_octospi_op_conf_t *op, uint8_t is_xip)
static void	__pi_octospi_2d_copy_exec (struct octospi_itf_data_s *driver_data, pi_task_t *task, int32_t hw_buff_idx)
void	__pi_octospi_conf_init (struct pi_octospi_conf *conf)
	Init octospi configuration structure. More...
int32_t	__pi_octospi_open (struct pi_octospi_conf *conf, struct octospi_cs_data_s **device_data)
	Open octospi device. More...
void	__pi_octospi_close (struct octospi_cs_data_s *cs_data)
	Close octospi device. More...
int32_t	__pi_octospi_ioctl (struct octospi_cs_data_s *cs_data, uint32_t cmd, void *arg)
	Ioctl function. More...
void	__pi_octospi_2d_copy (struct octospi_cs_data_s *cs_data, uint32_t ext_addr, void *addr, uint32_t size, uint32_t stride, uint32_t length, pi_octospi_op_conf_t *op, udma_channel_e channel, pi_task_t *task)
	Enqueue 2D transfer. More...

Variables
static struct octospi_itf_data_s *	g_octospi_itf_data [UDMA_NB_HYPER]

Macro Definition Documentation

#define UDMA_DATA_MAX_SIZE

Referenced by __pi_octospi_2d_copy_exec().

Function Documentation

void __pi_octospi_0_irq_handler

(

void

)

Referenced by __pi_octospi_open().

void __pi_octospi_1_irq_handler

(

void

)

Referenced by __pi_octospi_open().

void __pi_octospi_2d_copy	(	struct octospi_cs_data_s *	cs_data,
		uint32_t	ext_addr,
		void *	addr,
		uint32_t	size,
		uint32_t	stride,
		uint32_t	length,
		pi_octospi_op_conf_t *	op,
		udma_channel_e	channel,
		pi_task_t *	task
	)

Parameters

cs_data	Pointer to ospi device data.
ext_addr	External address.
addr	L2 buffer address.
size	Size of data to transfer.
stride	2D stride value, 0 if 1D.
length	2D length value, 0 if 1D.
op	OSPI operation.
channel	Type of transfer(RX or TX).
task	Event task attached to the transfer.

References __pi_octospi_2d_copy_exec(), pi_task_t::data, octospi_cs_data_s::device_id, octospi_itf_data_s::device_id, disable_irq(), pi_task_t::next, OSPI_TRACE, pi_udma_fifo_hw_buffer_empty(), pi_udma_fifo_sw_fifo_task_enqueue(), restore_irq(), octospi_itf_data_s::udma_chan, and udma_chan_str.

Referenced by pi_octospi_read(), pi_octospi_read_2d(), pi_octospi_read_2d_async(), pi_octospi_read_async(), pi_octospi_write(), pi_octospi_write_2d(), pi_octospi_write_2d_async(), and pi_octospi_write_async().

static void __pi_octospi_2d_copy_exec ( struct octospi_itf_data_s *  driver_data, pi_task_t *  task, int32_t  hw_buff_idx  )

static

References __pi_octospi_ospi_config_set(), pi_task_t::data, octospi_itf_data_s::device_id, hal_udma_hyperbus_transfer_2d_auto(), HYPER_2D_MODE_1D_1D, HYPER_2D_MODE_1D_2D, max_size, OSPI_TRACE, pi_udma_fifo_buffer_set(), pi_udma_fifo_hw_fifo_task_enqueue(), octospi_itf_data_s::udma_chan, udma_chan_str, UDMA_DATA_MAX_SIZE, and UDMA_HYPER_BURST_ENABLE_2D_MODE.

Referenced by __pi_octospi_2d_copy(), and __pi_octospi_irq_handler().

static void __pi_octospi_clk_div_get ( struct octospi_cs_data_s *  cs_data, uint32_t  baudrate  )

inlinestatic

References octospi_cs_data_s::baudrate, octospi_cs_data_s::clk_div, OSPI_TRACE, and pi_freq_get().

Referenced by __pi_octospi_open().

void __pi_octospi_close

(

struct octospi_cs_data_s *

cs_data

)

Parameters

cs_data

Pointer to ospi device data.

References octospi_cs_data_s::device_id, hal_udma_core_2d_get(), hal_udma_core_2d_reset(), hal_udma_ctrl_cg_enable(), hal_udma_ctrl_reset_clear(), hal_udma_hyperbus_rx_dest_set(), hal_udma_hyperbus_tx_dest_set(), HYPER_TRACE, octospi_itf_data_s::nb_open, pi_free(), pi_udma_core_2d_free(), UDMA_CHAN_2D_ID, octospi_itf_data_s::udma_chan_id_rx, octospi_itf_data_s::udma_chan_id_tx, and UDMA_HYPER_ID.

Referenced by pi_octospi_close().

void __pi_octospi_conf_init

(

struct pi_octospi_conf *

conf

)

Parameters

conf	Pointer to octospi conf.

Referenced by pi_octospi_conf_init().

static void __pi_octospi_device_settings_set ( struct octospi_cs_data_s *  cs_data, uint32_t  cs_max  )

static

References octospi_cs_data_s::clk_div, octospi_cs_data_s::device_id, octospi_itf_data_s::device_id, FLASH_ADDR, hal_udma_hyperbus_clk_div_set(), hal_udma_hyperbus_device_type_set(), hal_udma_hyperbus_mba0_set(), hal_udma_hyperbus_mba1_set(), hal_udma_hyperbus_ospi_csn_get(), hal_udma_hyperbus_ospi_csn_mask_set(), hal_udma_hyperbus_timing_set(), HYPERRAM, OSPI_TRACE, octospi_cs_data_s::ram_opt, octospi_cs_data_s::type, TYPE_OCTOSPI, udma_hyper, udma_hyper_clk_div_get(), udma_hyper_device_get(), udma_hyper_mba0_get(), udma_hyper_mba1_get(), udma_hyper_ospi_csn_get(), udma_hyper_ospi_ram_opt_get(), UDMA_HYPER_OSPI_RAM_OPT_PSRAM_CROSS_BOUNDARY_EN_BIT, UDMA_HYPER_OSPI_RAM_OPT_REAL_ADDR_EN_BIT, and udma_hyper_timing_cfg_get().

Referenced by __pi_octospi_open().

static void __pi_octospi_handler ( void *  arg )

static

References octospi_itf_data_s::device_id, and OSPI_TRACE.

Referenced by __pi_octospi_open().

int32_t __pi_octospi_ioctl	(	struct octospi_cs_data_s *	cs_data,
		uint32_t	cmd,
		void *	arg
	)

Parameters

cs_data	Pointer to ospi device data.
cmd	Ioctl command ID.
arg	Ioctl command arg.

Return values

-1	Unknown command.
RETVAL	Ioctl function return value.

References __pi_octospi_ospi_config_set(), disable_irq(), and restore_irq().

Referenced by pi_octospi_ioctl().

void __pi_octospi_irq_handler

(

uint8_t

octospi_id

)

References __pi_irq_handle_end_of_task(), __pi_octospi_2d_copy_exec(), hal_udma_hyperbus_status_get(), OSPI_TRACE, pi_udma_fifo_hw_buffer_empty(), pi_udma_fifo_hw_fifo_task_pop(), pi_udma_fifo_sw_fifo_task_pop(), and octospi_itf_data_s::udma_chan.

int32_t __pi_octospi_open	(	struct pi_octospi_conf *	conf,
		struct octospi_cs_data_s **	device_data
	)

Parameters

conf	Pointer to octospi conf.
driver_conf	Pointer to internal octospi conf pointer.

Return values

0	Operation is successful.
ERRNO	Error code.

References __pi_octospi_0_irq_handler(), __pi_octospi_1_irq_handler(), __pi_octospi_clk_div_get(), __pi_octospi_device_settings_set(), __pi_octospi_handler(), octospi_cs_data_s::baudrate, octospi_itf_data_s::cs_list, octospi_itf_data_s::device_id, FC_IRQ_HYPER_0_EOT_IRQ, FC_IRQ_HYPER_1_EOT_IRQ, hal_udma_ctrl_cg_disable(), hal_udma_ctrl_reset_set(), hal_udma_hyperbus_irq_enable(), hal_udma_hyperbus_rx_dest_set(), hal_udma_hyperbus_transfert_mode_set(), hal_udma_hyperbus_tx_dest_set(), HYPER_BURST_2D_ENABLE, HYPER_MODE_AUTO_ENABLE, octospi_itf_data_s::nb_open, NVIC_EnableIRQ, NVIC_SetVector, OSPI_TRACE, OSPI_TRACE_ERR, pi_free(), pi_malloc(), pi_udma_core_2d_alloc(), pi_udma_core_2d_free(), pi_udma_fifo_init(), octospi_itf_data_s::udma_chan, octospi_itf_data_s::udma_chan_id_rx, octospi_itf_data_s::udma_chan_id_tx, udma_ctrl, udma_hyper, UDMA_HYPER_BURST_ENABLE_2D_ENABLE, UDMA_HYPER_BURST_ENABLE_CS0_AUTO_BURST_ENABLE_MASK, UDMA_HYPER_BURST_ENABLE_CS0_MAXIMUM_CHECK_ENABLE_MASK, and UDMA_HYPER_ID.

Referenced by pi_octospi_open().

static void __pi_octospi_ospi_config_set ( struct octospi_cs_data_s *  cs_data, pi_octospi_op_conf_t *  op, uint8_t  is_xip  )

static

References octospi_cs_data_s::cs, octospi_cs_data_s::device_id, octospi_itf_data_s::device_id, hal_udma_hyperbus_ospi_alter_set(), hal_udma_hyperbus_ospi_alter_xip_set(), hal_udma_hyperbus_ospi_cfg_mask_set(), hal_udma_hyperbus_ospi_cfg_mask_xip_set(), hal_udma_hyperbus_ospi_cmd_set(), hal_udma_hyperbus_ospi_cmd_xip_set(), hal_udma_hyperbus_ospi_ram_opt_mask_set(), hal_udma_hyperbus_timing_get(), hal_udma_hyperbus_timing_mask_set(), OSPI_TRACE, printf, octospi_cs_data_s::ram_opt, udma_hyper, udma_hyper_ospi_alter_get(), udma_hyper_ospi_cfg_get(), UDMA_HYPER_OSPI_CMD_CMD_MASK, udma_hyper_ospi_cmd_get(), udma_hyper_ospi_csn_get(), udma_hyper_ospi_ram_opt_get(), UDMA_HYPER_OSPI_RAM_OPT_PSRAM_ADDR_EVEN_BIT, UDMA_HYPER_OSPI_RAM_OPT_PSRAM_CMD_EN_BIT, UDMA_HYPER_OSPI_RAM_OPT_PSRAM_READ_BIT_BIT, udma_hyper_timing_cfg_get(), and UDMA_HYPER_TIMING_CFG_LATENCY0_MASK.

Referenced by __pi_octospi_2d_copy_exec(), and __pi_octospi_ioctl().

Variable Documentation

struct octospi_itf_data_s* g_octospi_itf_data[UDMA_NB_HYPER]

static