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author | Patrick Delaunay <patrick.delaunay@st.com> | 2018-03-12 12:46:10 +0300 |
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committer | Tom Rini <trini@konsulko.com> | 2018-03-19 23:14:21 +0300 |
commit | 2514c2d0e6abe98157c1de83bce5c8bb69ac3a77 (patch) | |
tree | fd63532eebfbdb66828710730708d7828b7495b6 /arch/arm/mach-stm32mp/dram_init.c | |
parent | 35746c0138c7a9900fb2678358904c10797a563a (diff) | |
download | u-boot-2514c2d0e6abe98157c1de83bce5c8bb69ac3a77.tar.xz |
arm: stm32: add new architecture for STM32MP family
- add new arch stm32mp for STM32 MPU/Soc based on Cortex A
- support for stm32mp157 SOC
- SPL is used as first boot stage loader
- using driver model for all the drivers, even in SPL
- all security feature are deactivated (ETZC and TZC)
- reused STM32 MCU drivers when it is possible
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Diffstat (limited to 'arch/arm/mach-stm32mp/dram_init.c')
-rw-r--r-- | arch/arm/mach-stm32mp/dram_init.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-stm32mp/dram_init.c b/arch/arm/mach-stm32mp/dram_init.c new file mode 100644 index 0000000000..ecb4c988d2 --- /dev/null +++ b/arch/arm/mach-stm32mp/dram_init.c @@ -0,0 +1,34 @@ +/* + * Copyright (C) 2018, STMicroelectronics - All Rights Reserved + * + * SPDX-License-Identifier: GPL-2.0+ BSD-3-Clause + */ + +#include <common.h> +#include <dm.h> +#include <ram.h> + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + struct ram_info ram; + struct udevice *dev; + int ret; + + ret = uclass_get_device(UCLASS_RAM, 0, &dev); + if (ret) { + debug("RAM init failed: %d\n", ret); + return ret; + } + ret = ram_get_info(dev, &ram); + if (ret) { + debug("Cannot get RAM size: %d\n", ret); + return ret; + } + debug("RAM init base=%lx, size=%x\n", ram.base, ram.size); + + gd->ram_size = ram.size; + + return 0; +} |