spi.c File Reference

#include <assert.h>
#include <device/mmio.h>
#include <soc/addressmap.h>
#include <soc/flash_controller_common.h>
#include <soc/gpio.h>
#include <soc/spi.h>

Include dependency graph for spi.c:

Go to the source code of this file.

Data Structures
struct	pad_func

Macros
#define	PAD_FUNC(name, func)   {PAD_##name##_ID, PAD_##name##_FUNC_##func}
#define	PAD_FUNC_GPIO(name)   {PAD_##name##_ID, 0}

Functions
void	mtk_spi_set_gpio_pinmux (unsigned int bus, enum spi_pad_mask pad_select)

Variables
struct mtk_spi_bus	spi_bus [SPI_BUS_NUMBER]
static const struct pad_func	pad0_funcs [SPI_BUS_NUMBER][4]
static const struct spi_ctrlr	spi_flash_ctrlr
const struct spi_ctrlr_buses	spi_ctrlr_bus_map []
const size_t	spi_ctrlr_bus_map_count = ARRAY_SIZE(spi_ctrlr_bus_map)

Macro Definition Documentation

PAD_FUNC

#define PAD_FUNC	(		name,
			func
	)		{PAD_##name##_ID, PAD_##name##_FUNC_##func}

Definition at line 42 of file spi.c.

PAD_FUNC_GPIO

#define PAD_FUNC_GPIO

(

name

)

{PAD_##name##_ID, 0}

Definition at line 43 of file spi.c.

Function Documentation

mtk_spi_set_gpio_pinmux()

void mtk_spi_set_gpio_pinmux	(	unsigned int	bus,
		enum spi_pad_mask	pad_select
	)

Definition at line 84 of file spi.c.

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

Here is the call graph for this function:

Variable Documentation

pad0_funcs

const struct pad_func pad0_funcs[SPI_BUS_NUMBER][4]

static

Definition at line 1 of file spi.c.

Referenced by mtk_spi_set_gpio_pinmux().

spi_bus

struct mtk_spi_bus spi_bus[SPI_BUS_NUMBER]

Initial value:

= {
        {
                .regs = (void *)SPI0_BASE,
                .cs_gpio = GPIO(SPIM0_CSB),
        },
        {
                .regs = (void *)SPI1_BASE,
                .cs_gpio = GPIO(SPIM1_CSB),
        },
        {
                .regs = (void *)SPI2_BASE,
                .cs_gpio = GPIO(SPIM2_CSB),
        },
        {
                .regs = (void *)SPI3_BASE,
                .cs_gpio = GPIO(PWRAP_SPI_CSN),
        },
        {
                .regs = (void *)SPI4_BASE,
                .cs_gpio = GPIO(DGI_D2),
        },
        {
                .regs = (void *)SPI5_BASE,
                .cs_gpio = GPIO(DGI_D6),
        },
}

Definition at line 1 of file spi.c.

Referenced by gspi_ctrlr_params_init(), and gspi_spi_to_gspi_bus().

spi_ctrlr_bus_map

const struct spi_ctrlr_buses spi_ctrlr_bus_map[]

Initial value:

= {
        {
                .ctrlr = &spi_ctrlr,
                .bus_start = 0,
                .bus_end = SPI_BUS_NUMBER - 1,
        },
        {
                .ctrlr = &spi_flash_ctrlr,
                .bus_start = CONFIG_BOOT_DEVICE_SPI_FLASH_BUS,
                .bus_end = CONFIG_BOOT_DEVICE_SPI_FLASH_BUS,
        },
}

Definition at line 84 of file spi.c.

spi_ctrlr_bus_map_count

const size_t spi_ctrlr_bus_map_count = ARRAY_SIZE(spi_ctrlr_bus_map)

Definition at line 113 of file spi.c.

spi_flash_ctrlr

const struct spi_ctrlr spi_flash_ctrlr

static

Initial value:

= {
        .max_xfer_size = 65535,
        .flash_probe = mtk_spi_flash_probe,
}

Definition at line 84 of file spi.c.