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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arm/mach-imx/mach-vf610.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-imx/mach-vf610.c')
-rw-r--r--arch/arm/mach-imx/mach-vf610.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-vf610.c b/arch/arm/mach-imx/mach-vf610.c
new file mode 100644
index 000000000..208ff6406
--- /dev/null
+++ b/arch/arm/mach-imx/mach-vf610.c
@@ -0,0 +1,71 @@
+// 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