| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| /* |
| * This file is created based on MT8186 Functional Specification |
| * Chapter number: 5.6, 5.8 |
| */ |
| |
| #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> |
| |
| struct pad_func { |
| gpio_t gpio; |
| u8 func; |
| }; |
| |
| #define PAD_FUNC(name, func) {GPIO(name), PAD_##name##_FUNC_##func} |
| |
| static const struct pad_func nor_pinmux[SPI_NOR_GPIO_SET_NUM][4] = { |
| /* GPIO 36 ~ 39 */ |
| [SPI_NOR_GPIO_SET0] = { |
| PAD_FUNC(SPI0_CLK, SPINOR_CK), |
| PAD_FUNC(SPI0_CSB, SPINOR_CS), |
| PAD_FUNC(SPI0_MO, SPINOR_IO0), |
| PAD_FUNC(SPI0_MI, SPINOR_IO1), |
| }, |
| /* GPIO 61 ~ 64 */ |
| [SPI_NOR_GPIO_SET1] = { |
| PAD_FUNC(TDM_RX_BCK, SPINOR_CK), |
| PAD_FUNC(TDM_RX_MCLK, SPINOR_CS), |
| PAD_FUNC(TDM_RX_DATA0, SPINOR_IO0), |
| PAD_FUNC(TDM_RX_DATA1, SPINOR_IO1), |
| }, |
| }; |
| |
| void mtk_snfc_init(int gpio_set) |
| { |
| const struct pad_func *ptr = NULL; |
| |
| assert(gpio_set < SPI_NOR_GPIO_SET_NUM); |
| |
| ptr = nor_pinmux[gpio_set]; |
| for (size_t i = 0; i < ARRAY_SIZE(nor_pinmux[gpio_set]); i++) { |
| gpio_set_pull(ptr[i].gpio, GPIO_PULL_ENABLE, GPIO_PULL_UP); |
| gpio_set_mode(ptr[i].gpio, ptr[i].func); |
| } |
| } |
| |
| 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_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); |