| /* |
| * Copyright 2015 Google Inc. |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * 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; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * 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 <libpayload.h> |
| |
| #include "base/init_funcs.h" |
| #include "base/device_tree.h" |
| |
| static int emc_device_tree(DeviceTreeFixup *fixup, DeviceTree *tree) |
| { |
| const char *emc_dt_name[] = { "memory-controller@7001b000", NULL }; |
| const char *emc_table_dt_name[] = { "emc-table", NULL }; |
| DeviceTreeNode *emc_node; |
| DeviceTreeNode *emc_table_node; |
| |
| emc_node = dt_find_node(tree->root, emc_dt_name, NULL, NULL, |
| 1); |
| if (!emc_node) { |
| printf("ERROR: Faied to find node /%s\n", |
| emc_dt_name[0]); |
| return 1; |
| } |
| |
| emc_table_node = dt_find_node(emc_node, emc_table_dt_name, NULL, NULL, 1); |
| if (!emc_table_node) { |
| printf("ERROR: Failed to find node /%s/%s\n", |
| emc_dt_name[0], emc_table_dt_name[0]); |
| return 1; |
| } |
| |
| dt_add_string_prop(emc_table_node, "compatible", "nvidia,tegra210-emc-table"); |
| |
| u32 addr_cells = 2, size_cells = 2; |
| |
| dt_add_reg_prop(emc_table_node, &lib_sysinfo.mtc_start, |
| (u64 *)&lib_sysinfo.mtc_size, 1, addr_cells, |
| size_cells); |
| |
| DeviceTreeReserveMapEntry *reserve = xzalloc(sizeof(*reserve)); |
| reserve->start = lib_sysinfo.mtc_start; |
| reserve->size = lib_sysinfo.mtc_size; |
| list_insert_after(&reserve->list_node, &tree->reserve_map); |
| |
| printf("EMC: Added /%s/%s to device-tree\n", emc_dt_name[0], |
| emc_table_dt_name[0]); |
| |
| return 0; |
| } |
| |
| static DeviceTreeFixup emc_dt_fixup = { |
| .fixup = emc_device_tree, |
| }; |
| |
| static int emc_setup(void) |
| { |
| list_insert_after(&emc_dt_fixup.list_node, &device_tree_fixups); |
| return 0; |
| } |
| |
| INIT_FUNC(emc_setup); |