| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright 2008 Freescale Semiconductor, Inc. |
| * |
| * (C) Copyright 2000 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| */ |
| |
| #include <asm/global_data.h> |
| #include <linux/libfdt.h> |
| #include <fdt_support.h> |
| #include <fsl_qe.h> |
| |
| #ifdef CONFIG_QE |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| /* |
| * If a QE firmware has been uploaded, then add the 'firmware' node under |
| * the 'qe' node. |
| */ |
| void fdt_fixup_qe_firmware(void *blob) |
| { |
| struct qe_firmware_info *qe_fw_info; |
| int node, ret; |
| |
| qe_fw_info = qe_get_firmware_info(); |
| if (!qe_fw_info) |
| return; |
| |
| node = fdt_path_offset(blob, "/qe"); |
| if (node < 0) |
| return; |
| |
| /* We assume the node doesn't exist yet */ |
| node = fdt_add_subnode(blob, node, "firmware"); |
| if (node < 0) |
| return; |
| |
| ret = fdt_setprop(blob, node, "extended-modes", |
| &qe_fw_info->extended_modes, sizeof(u64)); |
| if (ret < 0) |
| goto error; |
| |
| ret = fdt_setprop_string(blob, node, "id", qe_fw_info->id); |
| if (ret < 0) |
| goto error; |
| |
| ret = fdt_setprop(blob, node, "virtual-traps", qe_fw_info->vtraps, |
| sizeof(qe_fw_info->vtraps)); |
| if (ret < 0) |
| goto error; |
| |
| return; |
| |
| error: |
| fdt_del_node(blob, node); |
| } |
| |
| void ft_qe_setup(void *blob) |
| { |
| do_fixup_by_prop_u32(blob, "device_type", "qe", 4, |
| "bus-frequency", gd->arch.qe_clk, 1); |
| do_fixup_by_prop_u32(blob, "device_type", "qe", 4, |
| "brg-frequency", gd->arch.brg_clk, 1); |
| do_fixup_by_compat_u32(blob, "fsl,qe", |
| "clock-frequency", gd->arch.qe_clk, 1); |
| do_fixup_by_compat_u32(blob, "fsl,qe", |
| "bus-frequency", gd->arch.qe_clk, 1); |
| do_fixup_by_compat_u32(blob, "fsl,qe", |
| "brg-frequency", gd->arch.brg_clk, 1); |
| do_fixup_by_compat_u32(blob, "fsl,qe-gtm", |
| "clock-frequency", gd->arch.qe_clk / 2, 1); |
| fdt_fixup_qe_firmware(blob); |
| } |
| #endif |