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| // 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
|
|
