1 files changed, 64 insertions, 0 deletions

diff --git a/arch/mips/vr41xx/common/init.c b/arch/mips/vr41xx/common/init.c
new file mode 100644
index 000000000..ca53ac306
--- /dev/null
+++ b/arch/mips/vr41xx/common/init.c
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ *  init.c, Common initialization routines for NEC VR4100 series.
+ *
+ *  Copyright (C) 2003-2009  Yoichi Yuasa <yuasa@linux-mips.org>
+ */
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/irq.h>
+#include <linux/string.h>
+
+#include <asm/bootinfo.h>
+#include <asm/time.h>
+#include <asm/vr41xx/irq.h>
+#include <asm/vr41xx/vr41xx.h>
+
+#define IO_MEM_RESOURCE_START   0UL
+#define IO_MEM_RESOURCE_END     0x1fffffffUL
+
+static void __init iomem_resource_init(void)
+{
+        iomem_resource.start = IO_MEM_RESOURCE_START;
+        iomem_resource.end = IO_MEM_RESOURCE_END;
+}
+
+void __init plat_time_init(void)
+{
+        unsigned long tclock;
+
+        vr41xx_calculate_clock_frequency();
+
+        tclock = vr41xx_get_tclock_frequency();
+        if (current_cpu_data.processor_id == PRID_VR4131_REV2_0 ||
+            current_cpu_data.processor_id == PRID_VR4131_REV2_1)
+                mips_hpt_frequency = tclock / 2;
+        else
+                mips_hpt_frequency = tclock / 4;
+}
+
+void __init plat_mem_setup(void)
+{
+        iomem_resource_init();
+
+        vr41xx_siu_setup();
+}
+
+void __init prom_init(void)
+{
+        int argc, i;
+        char **argv;
+
+        argc = fw_arg0;
+        argv = (char **)fw_arg1;
+
+        for (i = 1; i < argc; i++) {
+                strlcat(arcs_cmdline, argv[i], COMMAND_LINE_SIZE);
+                if (i < (argc - 1))
+                        strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE);
+        }
+}
+
+void __init prom_free_prom_memory(void)
+{
+}