diff options
Diffstat (limited to 'src/soc/marvell/armada38x/soc.c')
| -rw-r--r-- | src/soc/marvell/armada38x/soc.c | 55 |
1 files changed, 55 insertions, 0 deletions
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 <arch/io.h> +#include <console/console.h> +#include <device/device.h> +#include <vendorcode/google/chromeos/chromeos.h> +#include <symbols.h> + +#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, +}; |