Steven J. Hill | 3070033 | 2012-05-30 21:02:49 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public |
| 3 | * License. See the file "COPYING" in the main directory of this archive |
| 4 | * for more details. |
| 5 | * |
| 6 | * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. |
| 7 | */ |
| 8 | #include <linux/init.h> |
Steven J. Hill | 9b73100 | 2013-01-17 11:37:03 -0600 | [diff] [blame] | 9 | #include <linux/of_platform.h> |
| 10 | #include <linux/of_fdt.h> |
| 11 | #include <linux/bootmem.h> |
| 12 | |
| 13 | #include <asm/mips-boards/generic.h> |
| 14 | #include <asm/prom.h> |
Steven J. Hill | 3070033 | 2012-05-30 21:02:49 +0000 | [diff] [blame] | 15 | |
| 16 | int coherentio; /* 0 => no DMA cache coherency (may be set by user) */ |
| 17 | int hw_coherentio; /* 0 => no HW DMA cache coherency (reflects real HW) */ |
| 18 | |
| 19 | const char *get_system_type(void) |
| 20 | { |
| 21 | return "MIPS SEAD3"; |
| 22 | } |
| 23 | |
| 24 | void __init plat_mem_setup(void) |
| 25 | { |
Steven J. Hill | 9b73100 | 2013-01-17 11:37:03 -0600 | [diff] [blame] | 26 | /* |
| 27 | * Load the builtin devicetree. This causes the chosen node to be |
| 28 | * parsed resulting in our memory appearing |
| 29 | */ |
| 30 | __dt_setup_arch(&__dtb_start); |
| 31 | } |
| 32 | |
| 33 | void __init device_tree_init(void) |
| 34 | { |
| 35 | unsigned long base, size; |
| 36 | |
| 37 | if (!initial_boot_params) |
| 38 | return; |
| 39 | |
| 40 | base = virt_to_phys((void *)initial_boot_params); |
| 41 | size = be32_to_cpu(initial_boot_params->totalsize); |
| 42 | |
| 43 | /* Before we do anything, lets reserve the dt blob */ |
| 44 | reserve_bootmem(base, size, BOOTMEM_DEFAULT); |
| 45 | |
| 46 | unflatten_device_tree(); |
Steven J. Hill | 3070033 | 2012-05-30 21:02:49 +0000 | [diff] [blame] | 47 | } |