spi_common.h File Reference

#include <device/mmio.h>
#include <soc/gpio_base.h>
#include <spi-generic.h>
#include <types.h>

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Data Structures
struct	mtk_spi_regs
struct	mtk_spi_bus

Typedefs
typedef struct mtk_spi_regs	mtk_spi_regs

Enumerations
enum	{   SPI_CMD_ACT_SHIFT = 0 , SPI_CMD_RESUME_SHIFT = 1 , SPI_CMD_RST_SHIFT = 2 , SPI_CMD_PAUSE_EN_SHIFT = 4 ,   SPI_CMD_DEASSERT_SHIFT = 5 , SPI_CMD_CPHA_SHIFT = 8 , SPI_CMD_CPOL_SHIFT = 9 , SPI_CMD_RX_DMA_SHIFT = 10 ,   SPI_CMD_TX_DMA_SHIFT = 11 , SPI_CMD_TXMSBF_SHIFT = 12 , SPI_CMD_RXMSBF_SHIFT = 13 , SPI_CMD_RX_ENDIAN_SHIFT = 14 ,   SPI_CMD_TX_ENDIAN_SHIFT = 15 , SPI_CMD_FINISH_IE_SHIFT = 16 , SPI_CMD_PAUSE_IE_SHIFT = 17 , SPI_CMD_ACT_EN = BIT(SPI_CMD_ACT_SHIFT) ,   SPI_CMD_RESUME_EN = BIT(SPI_CMD_RESUME_SHIFT) , SPI_CMD_RST_EN = BIT(SPI_CMD_RST_SHIFT) , SPI_CMD_PAUSE_EN = BIT(SPI_CMD_PAUSE_EN_SHIFT) , SPI_CMD_DEASSERT_EN = BIT(SPI_CMD_DEASSERT_SHIFT) ,   SPI_CMD_CPHA_EN = BIT(SPI_CMD_CPHA_SHIFT) , SPI_CMD_CPOL_EN = BIT(SPI_CMD_CPOL_SHIFT) , SPI_CMD_RX_DMA_EN = BIT(SPI_CMD_RX_DMA_SHIFT) , SPI_CMD_TX_DMA_EN = BIT(SPI_CMD_TX_DMA_SHIFT) ,   SPI_CMD_TXMSBF_EN = BIT(SPI_CMD_TXMSBF_SHIFT) , SPI_CMD_RXMSBF_EN = BIT(SPI_CMD_RXMSBF_SHIFT) , SPI_CMD_RX_ENDIAN_EN = BIT(SPI_CMD_RX_ENDIAN_SHIFT) , SPI_CMD_TX_ENDIAN_EN = BIT(SPI_CMD_TX_ENDIAN_SHIFT) ,   SPI_CMD_FINISH_IE_EN = BIT(SPI_CMD_FINISH_IE_SHIFT) , SPI_CMD_PAUSE_IE_EN = BIT(SPI_CMD_PAUSE_IE_SHIFT) }
enum	spi_pad_mask {   SPI_PAD0_MASK = 0x0 , SPI_PAD1_MASK = 0x1 , SPI_PAD2_MASK = 0x2 , SPI_PAD3_MASK = 0x3 ,   SPI_PAD_SEL_MASK = 0x3 }

Functions
	check_member (mtk_spi_regs, spi_pad_macro_sel_reg, 0x24)
void	mtk_spi_set_gpio_pinmux (unsigned int bus, enum spi_pad_mask pad_select)
void	mtk_spi_set_timing (struct mtk_spi_regs *regs, u32 sck_ticks, u32 cs_ticks, unsigned int tick_dly)
void	mtk_spi_init (unsigned int bus, enum spi_pad_mask pad_select, unsigned int speed_hz, unsigned int tick_dly)

Variables
const struct spi_ctrlr	spi_ctrlr
struct mtk_spi_bus	spi_bus []

Typedef Documentation

mtk_spi_regs

typedef struct mtk_spi_regs mtk_spi_regs

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
SPI_CMD_ACT_SHIFT
SPI_CMD_RESUME_SHIFT
SPI_CMD_RST_SHIFT
SPI_CMD_PAUSE_EN_SHIFT
SPI_CMD_DEASSERT_SHIFT
SPI_CMD_CPHA_SHIFT
SPI_CMD_CPOL_SHIFT
SPI_CMD_RX_DMA_SHIFT
SPI_CMD_TX_DMA_SHIFT
SPI_CMD_TXMSBF_SHIFT
SPI_CMD_RXMSBF_SHIFT
SPI_CMD_RX_ENDIAN_SHIFT
SPI_CMD_TX_ENDIAN_SHIFT
SPI_CMD_FINISH_IE_SHIFT
SPI_CMD_PAUSE_IE_SHIFT
SPI_CMD_ACT_EN
SPI_CMD_RESUME_EN
SPI_CMD_RST_EN
SPI_CMD_PAUSE_EN
SPI_CMD_DEASSERT_EN
SPI_CMD_CPHA_EN
SPI_CMD_CPOL_EN
SPI_CMD_RX_DMA_EN
SPI_CMD_TX_DMA_EN
SPI_CMD_TXMSBF_EN
SPI_CMD_RXMSBF_EN
SPI_CMD_RX_ENDIAN_EN
SPI_CMD_TX_ENDIAN_EN
SPI_CMD_FINISH_IE_EN
SPI_CMD_PAUSE_IE_EN

Definition at line 11 of file spi_common.h.

spi_pad_mask

enum spi_pad_mask

Enumerator
SPI_PAD0_MASK
SPI_PAD1_MASK
SPI_PAD2_MASK
SPI_PAD3_MASK
SPI_PAD_SEL_MASK

Definition at line 45 of file spi_common.h.

Function Documentation

check_member()

check_member	(	mtk_spi_regs	,
		spi_pad_macro_sel_reg	,
		0x24
	)

mtk_spi_init()

void mtk_spi_init	(	unsigned int	bus,
		enum spi_pad_mask	pad_select,
		unsigned int	speed_hz,
		unsigned int	tick_dly
	)

Definition at line 56 of file spi.c.

References assert, BIOS_DEBUG, clrsetbits32, DIV_ROUND_UP, gpio_output(), mtk_spi_set_gpio_pinmux(), mtk_spi_set_timing(), printk, slave, spi_bus, SPI_BUS_NUMBER, SPI_CMD_CPHA_EN, SPI_CMD_CPOL_EN, SPI_CMD_DEASSERT_EN, SPI_CMD_FINISH_IE_EN, SPI_CMD_PAUSE_EN, SPI_CMD_PAUSE_IE_EN, SPI_CMD_RX_DMA_EN, SPI_CMD_RX_ENDIAN_EN, SPI_CMD_RXMSBF_EN, SPI_CMD_TX_DMA_EN, SPI_CMD_TX_ENDIAN_EN, SPI_CMD_TXMSBF_EN, SPI_HZ, and SPI_PAD_SEL_MASK.

Referenced by bootblock_mainboard_init(), and mainboard_early_init().

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mtk_spi_set_gpio_pinmux()

void mtk_spi_set_gpio_pinmux	(	unsigned int	bus,
		enum spi_pad_mask	pad_select
	)

Definition at line 18 of file spi.c.

References assert, bus1_pad1_funcs, pad_func::func, GPIO, gpio_set_mode(), NULL, pad0_funcs, pad1_funcs, pad_func::pin_id, SPI_BUS_NUMBER, SPI_PAD0_MASK, and SPI_PAD1_MASK.

Referenced by mtk_spi_init().

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mtk_spi_set_timing()

void mtk_spi_set_timing	(	struct mtk_spi_regs *	regs,
		u32	sck_ticks,
		u32	cs_ticks,
		unsigned int	tick_dly
	)

Definition at line 37 of file spi.c.

References GET_SCK_REG, and SET32_BITFIELDS.

Referenced by mtk_spi_init().

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Variable Documentation

spi_bus

struct mtk_spi_bus spi_bus[]

extern

Definition at line 1 of file spi.c.

Referenced by gspi_ctrlr_params_init(), gspi_spi_to_gspi_bus(), mtk_spi_init(), and to_mtk_spi().

spi_ctrlr

const struct spi_ctrlr spi_ctrlr

extern

Definition at line 253 of file spi.c.