?? setup.c
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/* * Copyright (C) 2000, 2001 Broadcom Corporation * * 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. *//* * Setup code for the SWARM board */#include <linux/spinlock.h>#include <linux/mm.h>#include <linux/bootmem.h>#include <linux/blk.h>#include <linux/init.h>#include <linux/ide.h>#include <linux/console.h>#include <asm/irq.h>#include <asm/io.h>#include <asm/bootinfo.h>#include <asm/reboot.h>#include <asm/time.h>#include <asm/sibyte/sb1250.h>#include <asm/sibyte/sb1250_regs.h>#include <asm/sibyte/sb1250_genbus.h>#include <asm/sibyte/64bit.h>#include <asm/sibyte/swarm.h>extern struct rtc_ops *rtc_ops;extern struct rtc_ops swarm_rtc_ops;#ifdef CONFIG_BLK_DEV_IDEextern struct ide_ops std_ide_ops;#ifdef CONFIG_BLK_DEV_IDE_SIBYTEextern struct ide_ops sibyte_ide_ops;#endif#endif#ifdef CONFIG_L3DEMOextern void *l3info;#endifstatic unsigned char *led_ptr;#define LED_BASE_ADDR (A_IO_EXT_REG(R_IO_EXT_REG(R_IO_EXT_START_ADDR, LEDS_CS)))#define setled(index, c) led_ptr[(3-((index)&3)) << 3] = (c)const char *get_system_type(void){ return "SiByte Swarm";}void __init bus_error_init(void){}void __init swarm_timer_setup(struct irqaction *irq){ /* * we don't set up irqaction, because we will deliver timer * interrupts through low-level (direct) meachanism. */ /* We only need to setup the generic timer */ sb1250_time_init();}extern int xicor_set_time(unsigned long);extern unsigned long xicor_get_time(void);extern void sb1250_setup(void);void __init swarm_setup(void){ extern int panic_timeout; sb1250_setup(); panic_timeout = 5; /* For debug. */ board_timer_setup = swarm_timer_setup; rtc_get_time = xicor_get_time; rtc_set_time = xicor_set_time;#ifdef CONFIG_L3DEMO if (l3info != NULL) { printk("\n"); }#endif printk("This kernel optimized for "#ifdef CONFIG_SIMULATION "simulation"#else "board"#endif " runs "#ifdef CONFIG_SIBYTE_CFE "with"#else "without"#endif " CFE\n");#ifdef CONFIG_BLK_DEV_IDE#ifdef CONFIG_BLK_DEV_IDE_SIBYTE ide_ops = &sibyte_ide_ops;#else ide_ops = &std_ide_ops;#endif#endif /* Set up the LED base address */#ifdef __MIPSEL__ /* Pass1 workaround (bug 1624) */ if (sb1250_pass == K_SYS_REVISION_PASS1) led_ptr = (unsigned char *) ((unsigned long)(KSEG1 | (G_IO_START_ADDR(csr_in32(4+(KSEG1|LED_BASE_ADDR))) << S_IO_ADDRBASE))+0x20); else#endif led_ptr = (unsigned char *) ((unsigned long)(KSEG1 | (G_IO_START_ADDR(csr_in32(KSEG1|LED_BASE_ADDR)) << S_IO_ADDRBASE))+0x20);#ifdef CONFIG_VT#ifdef CONFIG_DUMMY_CONSOLE conswitchp = &dummy_con;#endif screen_info = (struct screen_info) { 0, 0, /* orig-x, orig-y */ 0, /* unused */ 52, /* orig_video_page */ 3, /* orig_video_mode */ 80, /* orig_video_cols */ 4626, 3, 9, /* unused, ega_bx, unused */ 25, /* orig_video_lines */ 0x22, /* orig_video_isVGA */ 16 /* orig_video_points */ }; /* XXXKW for CFE, get lines/cols from environment */#endif}void setleds(char *str){ int i; for (i = 0; i < 4; i++) { if (!str[i]) { for (; i < 4; i++) { setled(' ', str[i]); } } else { setled(i, str[i]); } }}#include <linux/timer.h>static struct timer_list led_timer;static unsigned char default_led_msg[] = "Today: the CSWARM. Tomorrow: the WORLD!!!! ";static unsigned char *led_msg = default_led_msg;static unsigned char *led_msg_ptr = default_led_msg;void set_led_msg(char *new_msg){ led_msg = new_msg; led_msg_ptr = new_msg; setleds(" ");}static void move_leds(unsigned long arg){ int i; unsigned char *tmp = led_msg_ptr; for (i = 0; i < 4; i++) { setled(i, *tmp); tmp++; if (!*tmp) { tmp = led_msg; } } led_msg_ptr++; if (!*led_msg_ptr) { led_msg_ptr = led_msg; } del_timer(&led_timer); led_timer.expires = jiffies + (HZ/8); add_timer(&led_timer);}void hack_leds(void){ init_timer(&led_timer); led_timer.expires = jiffies + (HZ/8); led_timer.data = 0; led_timer.function = move_leds; add_timer(&led_timer);}
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