upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
117 lines
3.7 KiB
117 lines
3.7 KiB
/*
|
|
* U-boot - ints.c Interrupt related routines
|
|
*
|
|
* Copyright (c) 2005-2007 Analog Devices Inc.
|
|
*
|
|
* This file is based on ints.c
|
|
*
|
|
* Apr18 2003, Changed by HuTao to support interrupt cascading for Blackfin
|
|
* drivers
|
|
*
|
|
* Copyright 1996 Roman Zippel
|
|
* Copyright 1999 D. Jeff Dionne <jeff@uclinux.org>
|
|
* Copyright 2000-2001 Lineo, Inc. D. Jefff Dionne <jeff@lineo.ca>
|
|
* Copyright 2002 Arcturus Networks Inc. MaTed <mated@sympatico.ca>
|
|
* Copyright 2003 Metrowerks/Motorola
|
|
*
|
|
* (C) Copyright 2000-2004
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* 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., 51 Franklin St, Fifth Floor, Boston,
|
|
* MA 02110-1301 USA
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <linux/stddef.h>
|
|
#include <asm/system.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/traps.h>
|
|
#include <asm/io.h>
|
|
#include <asm/errno.h>
|
|
#include <asm/machdep.h>
|
|
#include <asm/setup.h>
|
|
#include <asm/blackfin.h>
|
|
#include "cpu.h"
|
|
|
|
void blackfin_irq_panic(int reason, struct pt_regs *regs)
|
|
{
|
|
printf("\n\nException: IRQ 0x%x entered\n", reason);
|
|
printf("code=[0x%x], ", (unsigned int)(regs->seqstat & 0x3f));
|
|
printf("stack frame=0x%x, ", (unsigned int)regs);
|
|
printf("bad PC=0x%04x\n", (unsigned int)regs->pc);
|
|
dump(regs);
|
|
printf("Unhandled IRQ or exceptions!\n");
|
|
printf("Please reset the board \n");
|
|
}
|
|
|
|
void blackfin_init_IRQ(void)
|
|
{
|
|
*(unsigned volatile long *)(SIC_IMASK) = SIC_UNMASK_ALL;
|
|
cli();
|
|
#ifndef CONFIG_KGDB
|
|
*(unsigned volatile long *)(EVT_EMULATION_ADDR) = 0x0;
|
|
#endif
|
|
*(unsigned volatile long *)(EVT_NMI_ADDR) =
|
|
(unsigned volatile long)evt_nmi;
|
|
*(unsigned volatile long *)(EVT_EXCEPTION_ADDR) =
|
|
(unsigned volatile long)trap;
|
|
*(unsigned volatile long *)(EVT_HARDWARE_ERROR_ADDR) =
|
|
(unsigned volatile long)evt_ivhw;
|
|
*(unsigned volatile long *)(EVT_RESET_ADDR) =
|
|
(unsigned volatile long)evt_rst;
|
|
*(unsigned volatile long *)(EVT_TIMER_ADDR) =
|
|
(unsigned volatile long)evt_timer;
|
|
*(unsigned volatile long *)(EVT_IVG7_ADDR) =
|
|
(unsigned volatile long)evt_evt7;
|
|
*(unsigned volatile long *)(EVT_IVG8_ADDR) =
|
|
(unsigned volatile long)evt_evt8;
|
|
*(unsigned volatile long *)(EVT_IVG9_ADDR) =
|
|
(unsigned volatile long)evt_evt9;
|
|
*(unsigned volatile long *)(EVT_IVG10_ADDR) =
|
|
(unsigned volatile long)evt_evt10;
|
|
*(unsigned volatile long *)(EVT_IVG11_ADDR) =
|
|
(unsigned volatile long)evt_evt11;
|
|
*(unsigned volatile long *)(EVT_IVG12_ADDR) =
|
|
(unsigned volatile long)evt_evt12;
|
|
*(unsigned volatile long *)(EVT_IVG13_ADDR) =
|
|
(unsigned volatile long)evt_evt13;
|
|
*(unsigned volatile long *)(EVT_IVG14_ADDR) =
|
|
(unsigned volatile long)evt_system_call;
|
|
*(unsigned volatile long *)(EVT_IVG15_ADDR) =
|
|
(unsigned volatile long)evt_soft_int1;
|
|
*(volatile unsigned long *)ILAT = 0;
|
|
asm("csync;");
|
|
sti();
|
|
*(volatile unsigned long *)IMASK = 0xffbf;
|
|
asm("csync;");
|
|
}
|
|
|
|
void exception_handle(void)
|
|
{
|
|
#if defined (CONFIG_PANIC_HANG)
|
|
display_excp();
|
|
#else
|
|
udelay(100000); /* allow messages to go out */
|
|
do_reset(NULL, 0, 0, NULL);
|
|
#endif
|
|
}
|
|
|
|
void display_excp(void)
|
|
{
|
|
printf("Exception!\n");
|
|
}
|
|
|