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/vr41xx/common/init.c | 77 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 arch/mips/vr41xx/common/init.c (limited to 'arch/mips/vr41xx/common/init.c') diff --git a/arch/mips/vr41xx/common/init.c b/arch/mips/vr41xx/common/init.c new file mode 100644 index 000000000..23916321c --- /dev/null +++ b/arch/mips/vr41xx/common/init.c @@ -0,0 +1,77 @@ +/* + * init.c, Common initialization routines for NEC VR4100 series. + * + * Copyright (C) 2003-2009 Yoichi Yuasa + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include +#include +#include +#include + +#include +#include +#include +#include + +#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) +{ +} -- cgit v1.2.3