1 /* 2 * Copyright 2008 Freescale Semiconductor, Inc. 3 * 4 * (C) Copyright 2000 5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 6 * 7 * See file CREDITS for list of people who contributed to this 8 * project. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License as 12 * published by the Free Software Foundation; either version 2 of 13 * the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 23 * MA 02111-1307 USA 24 */ 25 26 #include <common.h> 27 #include <libfdt.h> 28 #include <fdt_support.h> 29 #include "qe.h" 30 31 DECLARE_GLOBAL_DATA_PTR; 32 33 /* 34 * If a QE firmware has been uploaded, then add the 'firmware' node under 35 * the 'qe' node. 36 */ 37 void fdt_fixup_qe_firmware(void *blob) 38 { 39 struct qe_firmware_info *qe_fw_info; 40 int node, ret; 41 42 qe_fw_info = qe_get_firmware_info(); 43 if (!qe_fw_info) 44 return; 45 46 node = fdt_path_offset(blob, "/qe"); 47 if (node < 0) 48 return; 49 50 /* We assume the node doesn't exist yet */ 51 node = fdt_add_subnode(blob, node, "firmware"); 52 if (node < 0) 53 return; 54 55 ret = fdt_setprop(blob, node, "extended-modes", 56 &qe_fw_info->extended_modes, sizeof(u64)); 57 if (ret < 0) 58 goto error; 59 60 ret = fdt_setprop_string(blob, node, "id", qe_fw_info->id); 61 if (ret < 0) 62 goto error; 63 64 ret = fdt_setprop(blob, node, "virtual-traps", qe_fw_info->vtraps, 65 sizeof(qe_fw_info->vtraps)); 66 if (ret < 0) 67 goto error; 68 69 return; 70 71 error: 72 fdt_del_node(blob, node); 73 } 74 75 void ft_qe_setup(void *blob) 76 { 77 do_fixup_by_prop_u32(blob, "device_type", "qe", 4, 78 "bus-frequency", gd->arch.qe_clk, 1); 79 do_fixup_by_prop_u32(blob, "device_type", "qe", 4, 80 "brg-frequency", gd->arch.brg_clk, 1); 81 do_fixup_by_compat_u32(blob, "fsl,qe", 82 "clock-frequency", gd->arch.qe_clk, 1); 83 do_fixup_by_compat_u32(blob, "fsl,qe", 84 "bus-frequency", gd->arch.qe_clk, 1); 85 do_fixup_by_compat_u32(blob, "fsl,qe", 86 "brg-frequency", gd->arch.brg_clk, 1); 87 do_fixup_by_compat_u32(blob, "fsl,qe-gtm", 88 "clock-frequency", gd->arch.qe_clk / 2, 1); 89 fdt_fixup_qe_firmware(blob); 90 } 91