From 2c8b0b137382c969d791c734dca7c1a7a03b07ca Mon Sep 17 00:00:00 2001 From: Ruilin Hao Date: Mon, 9 Nov 2015 22:37:09 -0800 Subject: soc/marvell/armada38x: Add generic support for armada38x Skeleton for soc armada38x BUG=chrome-os-partner:47462 TEST=None BRANCH=tot Change-Id: I76f631ee6cdfc90c44727cb20aa960796bc785a5 Signed-off-by: Patrick Georgi Original-Commit-Id: e91cc19468325f005c6ac920bbe27a174c409727 Original-Change-Id: Iac5fc34df1ba18b4515029aa2fcff8f78a5df191 Original-Signed-off-by: Ruilin Hao Original-Reviewed-on: https://chromium-review.googlesource.com/313179 Original-Commit-Ready: Kan Yan Original-Tested-by: Kan Yan Original-Reviewed-by: Kan Yan Reviewed-on: https://review.coreboot.org/13110 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth Reviewed-by: Stefan Reinauer --- src/soc/marvell/armada38x/soc.c | 55 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 src/soc/marvell/armada38x/soc.c (limited to 'src/soc/marvell/armada38x/soc.c') diff --git a/src/soc/marvell/armada38x/soc.c b/src/soc/marvell/armada38x/soc.c new file mode 100644 index 0000000000..d049391b8e --- /dev/null +++ b/src/soc/marvell/armada38x/soc.c @@ -0,0 +1,55 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2015 Google Inc. + * + * 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 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 + +#define RESERVED_SIZE_KB (1 * KiB) + +static void soc_enable(device_t dev) +{ + /* Reserve bottom 1M bytes for MMU/TTB */ + reserved_ram_resource(dev, 0, ((uintptr_t)_dram / KiB + + (CONFIG_DRAM_SIZE_MB * KiB - RESERVED_SIZE_KB)), + RESERVED_SIZE_KB); + ram_resource(dev, 0, (uintptr_t)_dram / KiB, + (CONFIG_DRAM_SIZE_MB * KiB) - RESERVED_SIZE_KB); +} + +static void soc_init(device_t dev) +{ + printk(BIOS_INFO, "CPU: Armada 38X\n"); +} + +static struct device_operations soc_ops = { + .read_resources = DEVICE_NOOP, + .set_resources = DEVICE_NOOP, + .enable_resources = soc_enable, + .init = soc_init, + .scan_bus = 0, +}; + +static void enable_armada38x_dev(device_t dev) +{ + dev->ops = &soc_ops; +} + +struct chip_operations soc_marvell_armada38x_ops = { + CHIP_NAME("SOC Marvell Armada 38x") + .enable_dev = enable_armada38x_dev, +}; -- cgit v1.2.3