From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sat, 16 Apr 2005 15:20:36 -0700 Subject: Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip! --- arch/mips/vr41xx/common/init.c | 85 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 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 000000000000..e03be896cbc4 --- /dev/null +++ b/arch/mips/vr41xx/common/init.c @@ -0,0 +1,85 @@ +/* + * init.c, Common initialization routines for NEC VR4100 series. + * + * Copyright (C) 2003-2005 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 + +#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; +} + +static void __init setup_timer_frequency(void) +{ + unsigned long tclock; + + 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; +} + +static void __init setup_timer_irq(struct irqaction *irq) +{ + setup_irq(TIMER_IRQ, irq); +} + +static void __init timer_init(void) +{ + board_time_init = setup_timer_frequency; + board_timer_setup = setup_timer_irq; +} + +void __init prom_init(void) +{ + int argc, i; + char **argv; + + argc = fw_arg0; + argv = (char **)fw_arg1; + + for (i = 1; i < argc; i++) { + strcat(arcs_cmdline, argv[i]); + if (i < (argc - 1)) + strcat(arcs_cmdline, " "); + } + + vr41xx_calculate_clock_frequency(); + + timer_init(); + + iomem_resource_init(); +} + +unsigned long __init prom_free_prom_memory (void) +{ + return 0UL; +} -- cgit v1.2.3