18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * Copyright 2012-2013 Freescale Semiconductor, Inc. 48c2ecf20Sopenharmony_ci */ 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ci#include <linux/of_address.h> 78c2ecf20Sopenharmony_ci#include <linux/of_platform.h> 88c2ecf20Sopenharmony_ci#include <linux/io.h> 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ci#include <linux/irqchip.h> 118c2ecf20Sopenharmony_ci#include <asm/mach/arch.h> 128c2ecf20Sopenharmony_ci#include <asm/hardware/cache-l2x0.h> 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_ci#include "common.h" 158c2ecf20Sopenharmony_ci#include "hardware.h" 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_ci#define MSCM_CPxCOUNT 0x00c 188c2ecf20Sopenharmony_ci#define MSCM_CPxCFG1 0x014 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_cistatic void __init vf610_detect_cpu(void) 218c2ecf20Sopenharmony_ci{ 228c2ecf20Sopenharmony_ci struct device_node *np; 238c2ecf20Sopenharmony_ci u32 cpxcount, cpxcfg1; 248c2ecf20Sopenharmony_ci unsigned int cpu_type; 258c2ecf20Sopenharmony_ci void __iomem *mscm; 268c2ecf20Sopenharmony_ci 278c2ecf20Sopenharmony_ci np = of_find_compatible_node(NULL, NULL, "fsl,vf610-mscm-cpucfg"); 288c2ecf20Sopenharmony_ci if (WARN_ON(!np)) 298c2ecf20Sopenharmony_ci return; 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_ci mscm = of_iomap(np, 0); 328c2ecf20Sopenharmony_ci of_node_put(np); 338c2ecf20Sopenharmony_ci 348c2ecf20Sopenharmony_ci if (WARN_ON(!mscm)) 358c2ecf20Sopenharmony_ci return; 368c2ecf20Sopenharmony_ci 378c2ecf20Sopenharmony_ci cpxcount = readl_relaxed(mscm + MSCM_CPxCOUNT); 388c2ecf20Sopenharmony_ci cpxcfg1 = readl_relaxed(mscm + MSCM_CPxCFG1); 398c2ecf20Sopenharmony_ci 408c2ecf20Sopenharmony_ci iounmap(mscm); 418c2ecf20Sopenharmony_ci 428c2ecf20Sopenharmony_ci cpu_type = cpxcount ? MXC_CPU_VF600 : MXC_CPU_VF500; 438c2ecf20Sopenharmony_ci 448c2ecf20Sopenharmony_ci if (cpxcfg1) 458c2ecf20Sopenharmony_ci cpu_type |= MXC_CPU_VFx10; 468c2ecf20Sopenharmony_ci 478c2ecf20Sopenharmony_ci mxc_set_cpu_type(cpu_type); 488c2ecf20Sopenharmony_ci} 498c2ecf20Sopenharmony_ci 508c2ecf20Sopenharmony_cistatic void __init vf610_init_machine(void) 518c2ecf20Sopenharmony_ci{ 528c2ecf20Sopenharmony_ci vf610_detect_cpu(); 538c2ecf20Sopenharmony_ci 548c2ecf20Sopenharmony_ci of_platform_default_populate(NULL, NULL, NULL); 558c2ecf20Sopenharmony_ci} 568c2ecf20Sopenharmony_ci 578c2ecf20Sopenharmony_cistatic const char * const vf610_dt_compat[] __initconst = { 588c2ecf20Sopenharmony_ci "fsl,vf500", 598c2ecf20Sopenharmony_ci "fsl,vf510", 608c2ecf20Sopenharmony_ci "fsl,vf600", 618c2ecf20Sopenharmony_ci "fsl,vf610", 628c2ecf20Sopenharmony_ci "fsl,vf610m4", 638c2ecf20Sopenharmony_ci NULL, 648c2ecf20Sopenharmony_ci}; 658c2ecf20Sopenharmony_ci 668c2ecf20Sopenharmony_ciDT_MACHINE_START(VYBRID_VF610, "Freescale Vybrid VF5xx/VF6xx (Device Tree)") 678c2ecf20Sopenharmony_ci .l2c_aux_val = 0, 688c2ecf20Sopenharmony_ci .l2c_aux_mask = ~0, 698c2ecf20Sopenharmony_ci .init_machine = vf610_init_machine, 708c2ecf20Sopenharmony_ci .dt_compat = vf610_dt_compat, 718c2ecf20Sopenharmony_ciMACHINE_END 72