diff options
Diffstat (limited to 'src/soc/mediatek/common/include/soc/flash_controller_common.h')
-rw-r--r-- | src/soc/mediatek/common/include/soc/flash_controller_common.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/soc/mediatek/common/include/soc/flash_controller_common.h b/src/soc/mediatek/common/include/soc/flash_controller_common.h new file mode 100644 index 0000000000..2da3805da1 --- /dev/null +++ b/src/soc/mediatek/common/include/soc/flash_controller_common.h @@ -0,0 +1,80 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef __SOC_MEDIATEK_COMMON_FLASH_CONTROLLER_COMMON_H__ +#define __SOC_MEDIATEK_COMMON_FLASH_CONTROLLER_COMMON_H__ + +#include <spi-generic.h> +#include <stdint.h> +#include <soc/addressmap.h> + +enum { + SFLASH_POLLINGREG_US = 500000, + SFLASH_WRBUF_SIZE = 128, + SFLASHNAME_LENGTH = 16, + SFLASH_WRITE_IN_PROGRESS = 1, + SFLASH_COMMAND_ENABLE = 0x30, + SFLASH_DMA_ALIGN = 0x10, + + /* NOR flash controller commands */ + SFLASH_RD_TRIGGER = 1 << 0, + SFLASH_READSTATUS = 1 << 1, + SFLASH_PRG_CMD = 1 << 2, + SFLASH_WR_TRIGGER = 1 << 4, + SFLASH_WRITESTATUS = 1 << 5, + SFLASH_AUTOINC = 1 << 7, + /* NOR flash commands */ + SFLASH_OP_WREN = 0x6, + SECTOR_ERASE_CMD = 0x20, + SFLASH_UNPROTECTED = 0x0, + /* DMA commands */ + SFLASH_DMA_TRIGGER = 1 << 0, + SFLASH_DMA_SW_RESET = 1 << 1, + SFLASH_DMA_WDLE_EN = 1 << 2, + /* Dual mode */ + SFLASH_READ_DUAL_EN = 0x1, + SFLASH_1_1_2_READ = 0x3b +}; + +/* register Offset */ +struct mtk_nor_regs { + u32 cmd; + u32 cnt; + u32 rdsr; + u32 rdata; + u32 radr[3]; + u32 wdata; + u32 prgdata[6]; + u32 shreg[10]; + u32 cfg[2]; + u32 shreg10; + u32 status[5]; + u32 timing; + u32 flash_cfg; + u32 reserved2[3]; + u32 sf_time; + u32 reserved3; + u32 diff_addr; + u32 del_sel[2]; + u32 intrstus; + u32 intren; + u32 pp_ctl; + u32 cfg3; + u32 chksum_ctl; + u32 chksum; + u32 aaicmd; + u32 wrprot; + u32 radr3; + u32 read_dual; + u32 delsel[3]; + u32 reserved[397]; + u32 cfg1_bri[2]; + u32 fdma_ctl; + u32 fdma_fadr; + u32 fdma_dadr; + u32 fdma_end_dadr; +}; +check_member(mtk_nor_regs, fdma_end_dadr, 0x724); + +int mtk_spi_flash_probe(const struct spi_slave *spi, struct spi_flash *flash); + +#endif /* __SOC_MEDIATEK_COMMON_FLASH_CONTROLLER_COMMON_H__ */ |