| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <device/mmio.h> |
| #include <assert.h> |
| #include <gpio.h> |
| #include <spi_flash.h> |
| #include <soc/addressmap.h> |
| #include <soc/flash_controller_common.h> |
| #include <soc/spi.h> |
| |
| struct mtk_spi_bus spi_bus[SPI_BUS_NUMBER] = { |
| { |
| .regs = (void *)SPI_BASE, |
| .cs_gpio = GPIO(MSDC2_CMD), |
| } |
| }; |
| |
| void mtk_spi_set_gpio_pinmux(unsigned int bus, |
| enum spi_pad_mask pad_select) |
| { |
| /* TODO: implement support for other pads when needed */ |
| assert(pad_select == SPI_PAD1_MASK); |
| gpio_set_mode(GPIO(MSDC2_DAT2), PAD_MSDC2_DAT2_FUNC_SPI_CK_1); |
| gpio_set_mode(GPIO(MSDC2_DAT3), PAD_MSDC2_DAT3_FUNC_SPI_MI_1); |
| gpio_set_mode(GPIO(MSDC2_CLK), PAD_MSDC2_CLK_FUNC_SPI_MO_1); |
| gpio_set_mode(GPIO(MSDC2_CMD), 0); |
| } |
| |
| static const struct spi_ctrlr spi_flash_ctrlr = { |
| .max_xfer_size = 65535, |
| .flash_probe = mtk_spi_flash_probe, |
| }; |
| |
| const struct spi_ctrlr_buses spi_ctrlr_bus_map[] = { |
| { |
| .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, |
| }, |
| }; |
| |
| const size_t spi_ctrlr_bus_map_count = ARRAY_SIZE(spi_ctrlr_bus_map); |