1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright 2008 Freescale Semiconductor, Inc. 4 * 5 * (C) Copyright 2000 6 * Wolfgang Denk, DENX Software Engineering, wd (at) denx.de. 7 */ 8 9 #include <common.h> 10 #include <linux/libfdt.h> 11 #include <fdt_support.h> 12 #include <fsl_qe.h> 13 14 #ifdef CONFIG_QE 15 DECLARE_GLOBAL_DATA_PTR; 16 17 /* 18 * If a QE firmware has been uploaded, then add the 'firmware' node under 19 * the 'qe' node. 20 */ 21 void fdt_fixup_qe_firmware(void *blob) 22 { 23 struct qe_firmware_info *qe_fw_info; 24 int node, ret; 25 26 qe_fw_info = qe_get_firmware_info(); 27 if (!qe_fw_info) 28 return; 29 30 node = fdt_path_offset(blob, "/qe"); 31 if (node < 0) 32 return; 33 34 /* We assume the node doesn't exist yet */ 35 node = fdt_add_subnode(blob, node, "firmware"); 36 if (node < 0) 37 return; 38 39 ret = fdt_setprop(blob, node, "extended-modes", 40 &qe_fw_info->extended_modes, sizeof(u64)); 41 if (ret < 0) 42 goto error; 43 44 ret = fdt_setprop_string(blob, node, "id", qe_fw_info->id); 45 if (ret < 0) 46 goto error; 47 48 ret = fdt_setprop(blob, node, "virtual-traps", qe_fw_info->vtraps, 49 sizeof(qe_fw_info->vtraps)); 50 if (ret < 0) 51 goto error; 52 53 return; 54 55 error: 56 fdt_del_node(blob, node); 57 } 58 59 void ft_qe_setup(void *blob) 60 { 61 do_fixup_by_prop_u32(blob, "device_type", "qe", 4, 62 "bus-frequency", gd->arch.qe_clk, 1); 63 do_fixup_by_prop_u32(blob, "device_type", "qe", 4, 64 "brg-frequency", gd->arch.brg_clk, 1); 65 do_fixup_by_compat_u32(blob, "fsl,qe", 66 "clock-frequency", gd->arch.qe_clk, 1); 67 do_fixup_by_compat_u32(blob, "fsl,qe", 68 "bus-frequency", gd->arch.qe_clk, 1); 69 do_fixup_by_compat_u32(blob, "fsl,qe", 70 "brg-frequency", gd->arch.brg_clk, 1); 71 do_fixup_by_compat_u32(blob, "fsl,qe-gtm", 72 "clock-frequency", gd->arch.qe_clk / 2, 1); 73 fdt_fixup_qe_firmware(blob); 74 } 75 #endif 76
