forked from Minki/linux
49316cbf0a
They tend to get not updated when files are moved around or copied and lack any obvious use. While at it zap some only too obvious comments and as per Shinya's suggestion, add a copyright header to extable.c. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com> Acked-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
133 lines
3.4 KiB
C
133 lines
3.4 KiB
C
/*
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* Copyright (C) NEC Electronics Corporation 2004-2006
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*
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* This file is based on the arch/mips/ddb5xxx/ddb5477/setup.c.
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*
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* Copyright 2001 MontaVista Software Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <asm/time.h>
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#include <asm/reboot.h>
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#include <asm/emma/emma2rh.h>
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#define USE_CPU_COUNTER_TIMER /* whether we use cpu counter */
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extern void markeins_led(const char *);
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static int bus_frequency = 0;
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static void markeins_machine_restart(char *command)
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{
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static void (*back_to_prom) (void) = (void (*)(void))0xbfc00000;
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printk("cannot EMMA2RH Mark-eins restart.\n");
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markeins_led("restart.");
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back_to_prom();
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}
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static void markeins_machine_halt(void)
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{
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printk("EMMA2RH Mark-eins halted.\n");
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markeins_led("halted.");
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while (1) ;
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}
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static void markeins_machine_power_off(void)
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{
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printk("EMMA2RH Mark-eins halted. Please turn off the power.\n");
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markeins_led("poweroff.");
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while (1) ;
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}
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static unsigned long __initdata emma2rh_clock[4] = {
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166500000, 187312500, 199800000, 210600000
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};
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static unsigned int __init detect_bus_frequency(unsigned long rtc_base)
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{
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u32 reg;
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/* detect from boot strap */
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reg = emma2rh_in32(EMMA2RH_BHIF_STRAP_0);
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reg = (reg >> 4) & 0x3;
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return emma2rh_clock[reg];
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}
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void __init plat_time_init(void)
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{
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u32 reg;
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if (bus_frequency == 0)
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bus_frequency = detect_bus_frequency(0);
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reg = emma2rh_in32(EMMA2RH_BHIF_STRAP_0);
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if ((reg & 0x3) == 0)
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reg = (reg >> 6) & 0x3;
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else {
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reg = emma2rh_in32(EMMA2RH_BHIF_MAIN_CTRL);
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reg = (reg >> 4) & 0x3;
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}
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mips_hpt_frequency = (bus_frequency * (4 + reg)) / 4 / 2;
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}
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static void markeins_board_init(void);
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extern void markeins_irq_setup(void);
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static void inline __init markeins_sio_setup(void)
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{
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}
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void __init plat_mem_setup(void)
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{
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/* initialize board - we don't trust the loader */
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markeins_board_init();
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set_io_port_base(KSEG1ADDR(EMMA2RH_PCI_IO_BASE));
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_machine_restart = markeins_machine_restart;
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_machine_halt = markeins_machine_halt;
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pm_power_off = markeins_machine_power_off;
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/* setup resource limits */
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ioport_resource.start = EMMA2RH_PCI_IO_BASE;
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ioport_resource.end = EMMA2RH_PCI_IO_BASE + EMMA2RH_PCI_IO_SIZE - 1;
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iomem_resource.start = EMMA2RH_IO_BASE;
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iomem_resource.end = EMMA2RH_ROM_BASE - 1;
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/* Reboot on panic */
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panic_timeout = 180;
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markeins_sio_setup();
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}
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static void __init markeins_board_init(void)
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{
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u32 val;
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val = emma2rh_in32(EMMA2RH_PBRD_INT_EN); /* open serial interrupts. */
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emma2rh_out32(EMMA2RH_PBRD_INT_EN, val | 0xaa);
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val = emma2rh_in32(EMMA2RH_PBRD_CLKSEL); /* set serial clocks. */
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emma2rh_out32(EMMA2RH_PBRD_CLKSEL, val | 0x5); /* 18MHz */
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emma2rh_out32(EMMA2RH_PCI_CONTROL, 0);
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markeins_led("MVL E2RH");
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}
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