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https://github.com/smaeul/u-boot.git
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d39b574158
Fixed some broken instances of "#ifdef CMD_CFG_IDE" too. Those always evaluated TRUE, and thus were always compiled even when IDE really wasn't defined/wanted. Signed-off-by: Jon Loeliger <jdl@freescale.com>
161 lines
3.8 KiB
C
161 lines
3.8 KiB
C
/*
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* (C) Copyright 2004, Li-Pro.Net <www.li-pro.net>
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* Stephan Linz <linz@li-pro.net>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (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,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <command.h>
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#include <nios.h>
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#include <nios-io.h>
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#if defined(CONFIG_HW_WATCHDOG)
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#if !defined(CONFIG_HW_WDENA_BASE)
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#error "*** CONFIG_HW_WDENA_BASE not defined ***"
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#if !defined(CONFIG_HW_WDENA_BIT)
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#error "*** CONFIG_HW_WDENA_BIT not defined ***"
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#endif
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#endif
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#if !defined(CONFIG_HW_WDTOG_BASE)
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#error "*** CONFIG_HW_WDTOG_BASE not defined ***"
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#if !defined(CONFIG_HW_WDTOG_BIT)
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#error "*** CONFIG_HW_WDTOG_BIT not defined ***"
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#endif
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#endif
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#ifdef CONFIG_HW_WDPORT_WRONLY /* emulate read access */
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static unsigned __wd_ena_pio_portval = 0;
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#endif
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#define WD_PIO_INIT_DONE(V) ((V) & (1 << CONFIG_HW_WDENA_BIT))
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void ssv_wd_pio_init(void)
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{
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nios_pio_t *ena_piop = (nios_pio_t*)CONFIG_HW_WDENA_BASE;
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nios_pio_t *trg_piop = (nios_pio_t*)CONFIG_HW_WDTOG_BASE;
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trg_piop->data &= ~(1 << CONFIG_HW_WDTOG_BIT);
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#ifdef CONFIG_HW_WDPORT_WRONLY /* emulate read access */
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__wd_ena_pio_portval |= (1 << CONFIG_HW_WDENA_BIT);
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ena_piop->data = __wd_ena_pio_portval;
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#else /* !CONFIG_HW_WDPORT_WRONLY */
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trg_piop->direction |= (1 << CONFIG_HW_WDTOG_BIT);
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ena_piop->data |= (1 << CONFIG_HW_WDENA_BIT);
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ena_piop->direction |= (1 << CONFIG_HW_WDENA_BIT);
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#endif /* CONFIG_HW_WDPORT_WRONLY */
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}
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void ssv_wd_pio_done(void)
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{
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nios_pio_t *piop = (nios_pio_t*)CONFIG_HW_WDENA_BASE;
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#ifdef CONFIG_HW_WDPORT_WRONLY /* emulate read access */
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__wd_ena_pio_portval &= ~(1 << CONFIG_HW_WDENA_BIT);
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piop->data = __wd_ena_pio_portval;
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#else /* !CONFIG_HW_WDPORT_WRONLY */
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piop->data &= ~(1 << CONFIG_HW_WDENA_BIT);
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#endif /* CONFIG_HW_WDPORT_WRONLY */
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}
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void ssv_wd_pio_reset(void)
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{
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nios_pio_t *trg_piop = (nios_pio_t*)CONFIG_HW_WDTOG_BASE;
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#ifdef CONFIG_HW_WDPORT_WRONLY
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if (WD_PIO_INIT_DONE(__wd_ena_pio_portval))
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#else
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nios_pio_t *ena_piop = (nios_pio_t*)CONFIG_HW_WDENA_BASE;
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if (WD_PIO_INIT_DONE(ena_piop->data))
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#endif
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{
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trg_piop->data |= (1 << CONFIG_HW_WDTOG_BIT);
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trg_piop->data &= ~(1 << CONFIG_HW_WDTOG_BIT);
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}
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}
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void hw_watchdog_reset(void)
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{
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int re_enable = disable_interrupts ();
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ssv_wd_pio_reset();
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if (re_enable)
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enable_interrupts ();
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}
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#if defined(CONFIG_CMD_BSP)
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int do_wd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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nios_pio_t *ena_piop = (nios_pio_t*)CONFIG_HW_WDENA_BASE;
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switch (argc)
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{
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case 1:
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printf ("Watchdog timer status is %s\n",
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#ifdef CONFIG_HW_WDPORT_WRONLY
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WD_PIO_INIT_DONE(__wd_ena_pio_portval)
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#else
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WD_PIO_INIT_DONE(ena_piop->data)
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#endif
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? "on" : "off");
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return 0;
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case 2:
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if (!strcmp(argv[1],"on"))
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{
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ssv_wd_pio_init();
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printf("Watchdog timer now is on\n");
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return 0;
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}
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else if (!strcmp(argv[1],"off"))
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{
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ssv_wd_pio_done();
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printf("Watchdog timer now is off\n");
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return 0;
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}
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break;
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default:
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break;
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}
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printf ("Usage:\n%s\n", cmdtp->usage);
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return 1;
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}
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U_BOOT_CMD(
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wd, 2, 1, do_wd,
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"wd - check and set watchdog\n",
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"on - switch watchDog on\n"
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"wd off - switch watchdog off\n"
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"wd - print current status\n"
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);
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#endif
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#endif /* CONFIG_HW_WATCHDOG */
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