1// SPDX-License-Identifier: GPL-2.0-or-later
 2/*
 3 * Copyright 2012-2013 Freescale Semiconductor, Inc.
 4 */
 5
 6#include <linux/of_address.h>
 7#include <linux/of_platform.h>
 8#include <linux/io.h>
 9
10#include <linux/irqchip.h>
11#include <asm/mach/arch.h>
12#include <asm/hardware/cache-l2x0.h>
13
14#include "common.h"
15#include "hardware.h"
16
17#define MSCM_CPxCOUNT		0x00c
18#define MSCM_CPxCFG1		0x014
19
20static void __init vf610_detect_cpu(void)
21{
22	struct device_node *np;
23	u32 cpxcount, cpxcfg1;
24	unsigned int cpu_type;
25	void __iomem *mscm;
26
27	np = of_find_compatible_node(NULL, NULL, "fsl,vf610-mscm-cpucfg");
28	if (WARN_ON(!np))
29		return;
30
31	mscm = of_iomap(np, 0);
32	of_node_put(np);
33
34	if (WARN_ON(!mscm))
35		return;
36
37	cpxcount = readl_relaxed(mscm + MSCM_CPxCOUNT);
38	cpxcfg1  = readl_relaxed(mscm + MSCM_CPxCFG1);
39
40	iounmap(mscm);
41
42	cpu_type = cpxcount ? MXC_CPU_VF600 : MXC_CPU_VF500;
43
44	if (cpxcfg1)
45		cpu_type |= MXC_CPU_VFx10;
46
47	mxc_set_cpu_type(cpu_type);
48}
49
50static void __init vf610_init_machine(void)
51{
52	vf610_detect_cpu();
53
54	of_platform_default_populate(NULL, NULL, NULL);
55}
56
57static const char * const vf610_dt_compat[] __initconst = {
58	"fsl,vf500",
59	"fsl,vf510",
60	"fsl,vf600",
61	"fsl,vf610",
62	"fsl,vf610m4",
63	NULL,
64};
65
66DT_MACHINE_START(VYBRID_VF610, "Freescale Vybrid VF5xx/VF6xx (Device Tree)")
67	.l2c_aux_val	= 0,
68	.l2c_aux_mask	= ~0,
69	.init_machine   = vf610_init_machine,
70	.dt_compat	= vf610_dt_compat,
71MACHINE_END

 1// SPDX-License-Identifier: GPL-2.0-or-later
 2/*
 3 * Copyright 2012-2013 Freescale Semiconductor, Inc.
 4 */
 5
 6#include <linux/of_address.h>
 7#include <linux/of_platform.h>
 8#include <linux/io.h>
 9
10#include <linux/irqchip.h>
11#include <asm/mach/arch.h>
12#include <asm/hardware/cache-l2x0.h>
13
14#include "common.h"
15#include "hardware.h"
16
17#define MSCM_CPxCOUNT		0x00c
18#define MSCM_CPxCFG1		0x014
19
20static void __init vf610_detect_cpu(void)
21{
22	struct device_node *np;
23	u32 cpxcount, cpxcfg1;
24	unsigned int cpu_type;
25	void __iomem *mscm;
26
27	np = of_find_compatible_node(NULL, NULL, "fsl,vf610-mscm-cpucfg");
28	if (WARN_ON(!np))
29		return;
30
31	mscm = of_iomap(np, 0);
32	of_node_put(np);
33
34	if (WARN_ON(!mscm))
35		return;
36
37	cpxcount = readl_relaxed(mscm + MSCM_CPxCOUNT);
38	cpxcfg1  = readl_relaxed(mscm + MSCM_CPxCFG1);
39
40	iounmap(mscm);
41
42	cpu_type = cpxcount ? MXC_CPU_VF600 : MXC_CPU_VF500;
43
44	if (cpxcfg1)
45		cpu_type |= MXC_CPU_VFx10;
46
47	mxc_set_cpu_type(cpu_type);
48}
49
50static void __init vf610_init_machine(void)
51{
52	vf610_detect_cpu();
53
54	of_platform_default_populate(NULL, NULL, NULL);
55}
56
57static const char * const vf610_dt_compat[] __initconst = {
58	"fsl,vf500",
59	"fsl,vf510",
60	"fsl,vf600",
61	"fsl,vf610",
62	"fsl,vf610m4",
63	NULL,
64};
65
66DT_MACHINE_START(VYBRID_VF610, "Freescale Vybrid VF5xx/VF6xx (Device Tree)")
67	.l2c_aux_val	= 0,
68	.l2c_aux_mask	= ~0,
69	.init_machine   = vf610_init_machine,
70	.dt_compat	= vf610_dt_compat,
71MACHINE_END