/* * Copyright (c) 2020 Teslabs Engineering S.L. * * SPDX-License-Identifier: Apache-2.0 */ #ifndef ZEPHYR_INCLUDE_DT_BINDINGS_MEMORY_CONTROLLER_STM32_FMC_SDRAM_H_ #define ZEPHYR_INCLUDE_DT_BINDINGS_MEMORY_CONTROLLER_STM32_FMC_SDRAM_H_ /* Number of column address bits */ #define STM32_FMC_SDRAM_NC_8 0x00000000UL #define STM32_FMC_SDRAM_NC_9 0x00000001UL #define STM32_FMC_SDRAM_NC_10 0x00000002UL #define STM32_FMC_SDRAM_NC_11 0x00000003UL /* Number of row address bits */ #define STM32_FMC_SDRAM_NR_11 0x00000000UL #define STM32_FMC_SDRAM_NR_12 0x00000004UL #define STM32_FMC_SDRAM_NR_13 0x00000008UL /* Memory data bus width. */ #define STM32_FMC_SDRAM_MWID_8 0x00000000UL #define STM32_FMC_SDRAM_MWID_16 0x00000010UL #define STM32_FMC_SDRAM_MWID_32 0x00000020UL /* Number of internal banks */ #define STM32_FMC_SDRAM_NB_2 0x00000000UL #define STM32_FMC_SDRAM_NB_4 0x00000040UL /* CAS Latency */ #define STM32_FMC_SDRAM_CAS_1 0x00000080UL #define STM32_FMC_SDRAM_CAS_2 0x00000100UL #define STM32_FMC_SDRAM_CAS_3 0x00000180UL /* SDRAM clock configuration */ #define STM32_FMC_SDRAM_SDCLK_DISABLE 0x00000000UL #define STM32_FMC_SDRAM_SDCLK_PERIOD_2 0x00000800UL #define STM32_FMC_SDRAM_SDCLK_PERIOD_3 0x00000C00UL /* Burst read */ #define STM32_FMC_SDRAM_RBURST_DISABLE 0x00000000UL #define STM32_FMC_SDRAM_RBURST_ENABLE 0x00001000UL /* Read pipe */ #define STM32_FMC_SDRAM_RPIPE_0 0x00000000UL #define STM32_FMC_SDRAM_RPIPE_1 0x00002000UL #define STM32_FMC_SDRAM_RPIPE_2 0x00004000UL #endif