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-rw-r--r--arch/mips/paravirt/setup.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/mips/paravirt/setup.c b/arch/mips/paravirt/setup.c
new file mode 100644
index 00000000000..cb8448b373a
--- /dev/null
+++ b/arch/mips/paravirt/setup.c
@@ -0,0 +1,67 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2013 Cavium, Inc.
+ */
+
+#include <linux/kernel.h>
+#include <linux/kvm_para.h>
+
+#include <asm/reboot.h>
+#include <asm/bootinfo.h>
+#include <asm/smp-ops.h>
+#include <asm/time.h>
+
+extern struct plat_smp_ops paravirt_smp_ops;
+
+const char *get_system_type(void)
+{
+ return "MIPS Para-Virtualized Guest";
+}
+
+void __init plat_time_init(void)
+{
+ mips_hpt_frequency = kvm_hypercall0(KVM_HC_MIPS_GET_CLOCK_FREQ);
+
+ preset_lpj = mips_hpt_frequency / (2 * HZ);
+}
+
+static void pv_machine_halt(void)
+{
+ kvm_hypercall0(KVM_HC_MIPS_EXIT_VM);
+}
+
+/*
+ * Early entry point for arch setup
+ */
+void __init prom_init(void)
+{
+ int i;
+ int argc = fw_arg0;
+ char **argv = (char **)fw_arg1;
+
+#ifdef CONFIG_32BIT
+ set_io_port_base(KSEG1ADDR(0x1e000000));
+#else /* CONFIG_64BIT */
+ set_io_port_base(PHYS_TO_XKSEG_UNCACHED(0x1e000000));
+#endif
+
+ for (i = 0; i < argc; i++) {
+ strlcat(arcs_cmdline, argv[i], COMMAND_LINE_SIZE);
+ if (i < argc - 1)
+ strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE);
+ }
+ _machine_halt = pv_machine_halt;
+ register_smp_ops(&paravirt_smp_ops);
+}
+
+void __init plat_mem_setup(void)
+{
+ /* Do nothing, the "mem=???" parser handles our memory. */
+}
+
+void __init prom_free_prom_memory(void)
+{
+}