From 77231330739962e4a76ae23f42a840558a0c675f Mon Sep 17 00:00:00 2001 From: Vladimir Serbinenko Date: Fri, 19 Feb 2016 22:50:50 +0100 Subject: 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 Reviewed-on: https://review.coreboot.org/13754 Tested-by: build bot (Jenkins) Reviewed-by: Arthur Heymans --- src/mainboard/emulation/qemu-armv7/mainboard.c | 40 ++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 src/mainboard/emulation/qemu-armv7/mainboard.c (limited to 'src/mainboard/emulation/qemu-armv7/mainboard.c') 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 + * + * 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 +#include +#include +#include +#include +#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, +}; -- cgit v1.2.3