Provide basic DRAM info population from DT, cache setting and the board_init stub.
Signed-off-by: Robert Marko robert.marko@sartura.hr --- arch/arm/mach-ipq40xx/Makefile | 7 ++++++ arch/arm/mach-ipq40xx/cpu.c | 44 ++++++++++++++++++++++++++++++++++ 2 files changed, 51 insertions(+) create mode 100644 arch/arm/mach-ipq40xx/Makefile create mode 100644 arch/arm/mach-ipq40xx/cpu.c
diff --git a/arch/arm/mach-ipq40xx/Makefile b/arch/arm/mach-ipq40xx/Makefile new file mode 100644 index 0000000000..d611de9933 --- /dev/null +++ b/arch/arm/mach-ipq40xx/Makefile @@ -0,0 +1,7 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (c) 2024 Sartura Ltd. +# +# Author: Robert Marko robert.marko@sartura.hr + +obj-y += cpu.o diff --git a/arch/arm/mach-ipq40xx/cpu.c b/arch/arm/mach-ipq40xx/cpu.c new file mode 100644 index 0000000000..0446627a8f --- /dev/null +++ b/arch/arm/mach-ipq40xx/cpu.c @@ -0,0 +1,44 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * CPU code for Qualcomm IPQ40xx SoC + * + * Copyright (c) 2024 Sartura Ltd. + * + * Author: Robert Marko robert.marko@sartura.hr + */ + +#include <common.h> +#include <cpu_func.h> +#include <init.h> + +int dram_init(void) +{ + int ret; + + ret = fdtdec_setup_memory_banksize(); + if (ret) + return ret; + return fdtdec_setup_mem_size_base(); +} + +/* + * Enable/Disable D-cache. + * I-cache is already enabled in start.S + */ +void enable_caches(void) +{ + dcache_enable(); +} + +void disable_caches(void) +{ + dcache_disable(); +} + +/* + * In case boards need specific init code, they can override this stub. + */ +int __weak board_init(void) +{ + return 0; +}