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author | Simon Glass <sjg@chromium.org> | 2015-08-30 16:55:38 -0600 |
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committer | Simon Glass <sjg@chromium.org> | 2015-09-02 21:28:24 -0600 |
commit | 2444dae587815e5ba14cb27c32f57bc3b3bbed1d (patch) | |
tree | 2c4024c27b69054296477d7743dfc54980c8b6f3 /arch/arm/mach-rockchip/board.c | |
parent | a8cb4fb56ac53cab89657b7e8295ec001bbf78bf (diff) | |
download | blackbird-obmc-uboot-2444dae587815e5ba14cb27c32f57bc3b3bbed1d.tar.gz blackbird-obmc-uboot-2444dae587815e5ba14cb27c32f57bc3b3bbed1d.zip |
rockchip: Add core SoC start-up code
Add code for starting up U-Boot SPL and U-Boot proper. This is generic and
makes use of devices provided by the board- or SoC-specific code.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/arm/mach-rockchip/board.c')
-rw-r--r-- | arch/arm/mach-rockchip/board.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/arm/mach-rockchip/board.c b/arch/arm/mach-rockchip/board.c new file mode 100644 index 0000000000..688bc0ffde --- /dev/null +++ b/arch/arm/mach-rockchip/board.c @@ -0,0 +1,46 @@ +/* + * (C) Copyright 2015 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <ram.h> + +DECLARE_GLOBAL_DATA_PTR; + +int board_init(void) +{ + return 0; +} + +int dram_init(void) +{ + struct ram_info ram; + struct udevice *dev; + int ret; + + ret = uclass_get_device(UCLASS_RAM, 0, &dev); + if (ret) { + debug("DRAM init failed: %d\n", ret); + return ret; + } + ret = ram_get_info(dev, &ram); + if (ret) { + debug("Cannot get DRAM size: %d\n", ret); + return ret; + } + debug("SDRAM base=%lx, size=%x\n", ram.base, ram.size); + gd->ram_size = ram.size; + + return 0; +} + +#ifndef CONFIG_SYS_DCACHE_OFF +void enable_caches(void) +{ + /* Enable D-cache. I-cache is already enabled in start.S */ + dcache_enable(); +} +#endif |