| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* |
| * Copyright 2012-2013 Freescale Semiconductor, Inc. |
| */ |
| |
| #include <linux/of_address.h> |
| #include <linux/of_platform.h> |
| #include <linux/io.h> |
| |
| #include <linux/irqchip.h> |
| #include <asm/mach/arch.h> |
| #include <asm/hardware/cache-l2x0.h> |
| |
| #include "common.h" |
| #include "hardware.h" |
| |
| #define MSCM_CPxCOUNT 0x00c |
| #define MSCM_CPxCFG1 0x014 |
| |
| static void __init vf610_detect_cpu(void) |
| { |
| struct device_node *np; |
| u32 cpxcount, cpxcfg1; |
| unsigned int cpu_type; |
| void __iomem *mscm; |
| |
| np = of_find_compatible_node(NULL, NULL, "fsl,vf610-mscm-cpucfg"); |
| if (WARN_ON(!np)) |
| return; |
| |
| mscm = of_iomap(np, 0); |
| of_node_put(np); |
| |
| if (WARN_ON(!mscm)) |
| return; |
| |
| cpxcount = readl_relaxed(mscm + MSCM_CPxCOUNT); |
| cpxcfg1 = readl_relaxed(mscm + MSCM_CPxCFG1); |
| |
| iounmap(mscm); |
| |
| cpu_type = cpxcount ? MXC_CPU_VF600 : MXC_CPU_VF500; |
| |
| if (cpxcfg1) |
| cpu_type |= MXC_CPU_VFx10; |
| |
| mxc_set_cpu_type(cpu_type); |
| } |
| |
| static void __init vf610_init_machine(void) |
| { |
| vf610_detect_cpu(); |
| |
| of_platform_default_populate(NULL, NULL, NULL); |
| } |
| |
| static const char * const vf610_dt_compat[] __initconst = { |
| "fsl,vf500", |
| "fsl,vf510", |
| "fsl,vf600", |
| "fsl,vf610", |
| "fsl,vf610m4", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(VYBRID_VF610, "Freescale Vybrid VF5xx/VF6xx (Device Tree)") |
| .l2c_aux_val = 0, |
| .l2c_aux_mask = ~0, |
| .init_machine = vf610_init_machine, |
| .dt_compat = vf610_dt_compat, |
| MACHINE_END |
