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| author | Roger Quadros <rogerq@kernel.org> | 2022-10-20 16:30:46 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2022-10-26 22:21:11 +0300 |
| commit | 2c120375e949807ce8e3b077d6537e2d8d69a87c (patch) | |
| tree | ddc0bf5aa3151a16dd7b2d1cb45af9a318b59eca /drivers/memory | |
| parent | 27e6ebc5ea71c824234e862e55485de841ae29ac (diff) | |
| download | u-boot-2c120375e949807ce8e3b077d6537e2d8d69a87c.tar.xz | |
dm: memory: Introduce new uclass
Introduce UCLASS_MEMORY for future Memory Controller
device drivers.
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/memory')
| -rw-r--r-- | drivers/memory/Kconfig | 17 | ||||
| -rw-r--r-- | drivers/memory/Makefile | 2 | ||||
| -rw-r--r-- | drivers/memory/memory-sandbox.c | 18 | ||||
| -rw-r--r-- | drivers/memory/memory-uclass.c | 13 |
4 files changed, 50 insertions, 0 deletions
diff --git a/drivers/memory/Kconfig b/drivers/memory/Kconfig index 7271892763..c621f5bba3 100644 --- a/drivers/memory/Kconfig +++ b/drivers/memory/Kconfig @@ -4,6 +4,23 @@ menu "Memory Controller drivers" +config MEMORY + bool "Enable Driver Model for Memory Controller drivers" + depends on DM + help + Enable driver model for Memory Controller devices. + These devices provide Memory bus interface to various devices like + SRAM, Ethernet adapters, FPGAs, etc. + For now this uclass has no methods yet. + +config SANDBOX_MEMORY + bool "Enable Sandbox Memory Controller driver" + depends on SANDBOX && MEMORY + help + This is a driver model based Memory Controller driver for sandbox. + Currently it is a stub only, as there are no usable uclass methods + yet. + config STM32_FMC2_EBI bool "Support for FMC2 External Bus Interface on STM32MP SoCs" depends on ARCH_STM32MP diff --git a/drivers/memory/Makefile b/drivers/memory/Makefile index fec52efb60..b27f701865 100644 --- a/drivers/memory/Makefile +++ b/drivers/memory/Makefile @@ -1,3 +1,5 @@ +obj-$(CONFIG_MEMORY) += memory-uclass.o +obj-$(CONFIG_SANDBOX_MEMORY) += memory-sandbox.o obj-$(CONFIG_STM32_FMC2_EBI) += stm32-fmc2-ebi.o obj-$(CONFIG_TI_AEMIF) += ti-aemif.o diff --git a/drivers/memory/memory-sandbox.c b/drivers/memory/memory-sandbox.c new file mode 100644 index 0000000000..f2ede50863 --- /dev/null +++ b/drivers/memory/memory-sandbox.c @@ -0,0 +1,18 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2022 + * Texas Instruments Incorporated, <www.ti.com> + */ + +#include <dm.h> + +static const struct udevice_id sandbox_memory_match[] = { + { .compatible = "sandbox,memory" }, + { /* sentinel */ } +}; + +U_BOOT_DRIVER(sandbox_memory) = { + .name = "sandbox_memory", + .id = UCLASS_MEMORY, + .of_match = sandbox_memory_match, +}; diff --git a/drivers/memory/memory-uclass.c b/drivers/memory/memory-uclass.c new file mode 100644 index 0000000000..d6d37fe777 --- /dev/null +++ b/drivers/memory/memory-uclass.c @@ -0,0 +1,13 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2022 + * Texas Instruments Incorporated, <www.ti.com> + */ + +#include <dm.h> + +UCLASS_DRIVER(memory) = { + .name = "memory", + .id = UCLASS_MEMORY, + .post_bind = dm_scan_fdt_dev, +}; |