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author | Vladimir Serbinenko <phcoder@gmail.com> | 2016-02-19 22:50:50 +0100 |
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committer | Vladimir Serbinenko <phcoder@gmail.com> | 2017-05-12 15:49:46 +0200 |
commit | 77231330739962e4a76ae23f42a840558a0c675f (patch) | |
tree | b5bf3fd0aa4be10029a81e212d12f681298d5be9 /src/mainboard/emulation/qemu-armv7/mainboard.c | |
parent | b3456a9e8059ddbaba6cab9caf47d6330d2e3a9c (diff) | |
download | coreboot-77231330739962e4a76ae23f42a840558a0c675f.tar.xz |
qemu/vexpress-a9: Discover RAM size.
Probe RAM to find its size instead of hardcoding 1024M.
Also properly export it to memory map.
Change-Id: Ib411f0a068bd247a9e0cd0a59689a3896921483e
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: https://review.coreboot.org/13754
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Diffstat (limited to 'src/mainboard/emulation/qemu-armv7/mainboard.c')
-rw-r--r-- | src/mainboard/emulation/qemu-armv7/mainboard.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/mainboard/emulation/qemu-armv7/mainboard.c b/src/mainboard/emulation/qemu-armv7/mainboard.c new file mode 100644 index 0000000000..eced9ae3b9 --- /dev/null +++ b/src/mainboard/emulation/qemu-armv7/mainboard.c @@ -0,0 +1,40 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 Vladimir Serbinenko <phcoder@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 or, at your option, any later + * version of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <console/console.h> +#include <device/device.h> +#include <cbmem.h> +#include <string.h> +#include <halt.h> +#include "mainboard.h" + +static void mainboard_enable(device_t dev) +{ + int discovered; + if (!dev) { + printk(BIOS_EMERG, "No dev0; die\n"); + halt(); + } + + discovered = probe_ramsize(); + printk(BIOS_DEBUG, "%d MiB of RAM discovered\n", discovered); + ram_resource(dev, 0, 0x60000000 >> 10, discovered << 10); + cbmem_recovery(0); +} + +struct chip_operations mainboard_ops = { + .enable_dev = mainboard_enable, +}; |