From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- arch/mips/paravirt/setup.c | 67 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 arch/mips/paravirt/setup.c (limited to 'arch/mips/paravirt/setup.c') diff --git a/arch/mips/paravirt/setup.c b/arch/mips/paravirt/setup.c new file mode 100644 index 000000000..d2ffec140 --- /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 +#include + +#include +#include +#include +#include + +extern const 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(¶virt_smp_ops); +} + +void __init plat_mem_setup(void) +{ + /* Do nothing, the "mem=???" parser handles our memory. */ +} + +void __init prom_free_prom_memory(void) +{ +} -- cgit v1.2.3