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