+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2003
* Josef Baumgartner <josef.baumgartner@telex.de>
* MCF5275 additions
* Copyright (C) 2008 Arthur Shipkowski (art@videon-central.com)
*
- * 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * Copyright (C) 2012 Freescale Semiconductor, Inc. All Rights Reserved.
*/
#include <common.h>
#include <watchdog.h>
#include <command.h>
#include <asm/immap.h>
+#include <asm/io.h>
#include <netdev.h>
#include "cpu.h"
#ifdef CONFIG_M5208
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- volatile rcm_t *rcm = (rcm_t *)(MMAP_RCM);
+ rcm_t *rcm = (rcm_t *)(MMAP_RCM);
udelay(1000);
- rcm->rcr = RCM_RCR_SOFTRST;
+ out_8(&rcm->rcr, RCM_RCR_SOFTRST);
/* we don't return! */
return 0;
};
-int checkcpu(void)
+#if defined(CONFIG_DISPLAY_CPUINFO)
+int print_cpuinfo(void)
{
char buf1[32], buf2[32];
strmhz(buf2, gd->bus_clk));
return 0;
};
+#endif /* CONFIG_DISPLAY_CPUINFO */
#if defined(CONFIG_WATCHDOG)
/* Called by macro WATCHDOG_RESET */
void watchdog_reset(void)
{
- volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
- wdt->sr = 0x5555;
- wdt->sr = 0xAAAA;
+ wdog_t *wdt = (wdog_t *)(MMAP_WDOG);
+
+ out_be16(&wdt->sr, 0x5555);
+ out_be16(&wdt->sr, 0xaaaa);
}
int watchdog_disable(void)
{
- volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
+ wdog_t *wdt = (wdog_t *)(MMAP_WDOG);
- wdt->sr = 0x5555; /* reset watchdog counteDECLARE_GLOBAL_DATA_PTR;
-r */
- wdt->sr = 0xAAAA;
- wdt->cr = 0; /* disable watchdog timer */
+ /* reset watchdog counter */
+ out_be16(&wdt->sr, 0x5555);
+ out_be16(&wdt->sr, 0xaaaa);
+ /* disable watchdog timer */
+ out_be16(&wdt->cr, 0);
puts("WATCHDOG:disabled\n");
return (0);
int watchdog_init(void)
{
- volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
+ wdog_t *wdt = (wdog_t *)(MMAP_WDOG);
- wdt->cr = 0; /* disable watchdog */
+ /* disable watchdog */
+ out_be16(&wdt->cr, 0);
/* set timeout and enable watchdog */
- wdt->mr =
- ((CONFIG_WATCHDOG_TIMEOUT * CONFIG_SYS_HZ) / (32768 * 1000)) - 1;
- wdt->sr = 0x5555; /* reset watchdog counter */
- wdt->sr = 0xAAAA;
+ out_be16(&wdt->mr,
+ (CONFIG_WATCHDOG_TIMEOUT * CONFIG_SYS_HZ) / (32768 * 1000) - 1);
+
+ /* reset watchdog counter */
+ out_be16(&wdt->sr, 0x5555);
+ out_be16(&wdt->sr, 0xaaaa);
puts("WATCHDOG:enabled\n");
return (0);
#endif /* #ifdef CONFIG_M5208 */
#ifdef CONFIG_M5271
+#if defined(CONFIG_DISPLAY_CPUINFO)
/*
* Both MCF5270 and MCF5271 are members of the MPC5271 family. Try to
* determine which one we are running on, based on the Chip Identification
* Register (CIR).
*/
-int checkcpu(void)
+int print_cpuinfo(void)
{
char buf[32];
unsigned short cir; /* Chip Identification Register */
return 0;
}
+#endif /* CONFIG_DISPLAY_CPUINFO */
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
#ifdef CONFIG_M5272
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
+ wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
- wdp->wdog_wrrr = 0;
+ out_be16(&wdp->wdog_wrrr, 0);
udelay(1000);
/* enable watchdog, set timeout to 0 and wait */
- wdp->wdog_wrrr = 1;
+ out_be16(&wdp->wdog_wrrr, 1);
while (1) ;
/* we don't return! */
return 0;
};
-int checkcpu(void)
+#if defined(CONFIG_DISPLAY_CPUINFO)
+int print_cpuinfo(void)
{
- volatile sysctrl_t *sysctrl = (sysctrl_t *) (MMAP_CFG);
+ sysctrl_t *sysctrl = (sysctrl_t *) (MMAP_CFG);
uchar msk;
char *suf;
puts("CPU: ");
- msk = (sysctrl->sc_dir > 28) & 0xf;
+ msk = (in_be32(&sysctrl->sc_dir) > 28) & 0xf;
switch (msk) {
case 0x2:
suf = "1K75N";
printf("Freescale MCF5272 %s\n", suf);
return 0;
};
+#endif /* CONFIG_DISPLAY_CPUINFO */
#if defined(CONFIG_WATCHDOG)
/* Called by macro WATCHDOG_RESET */
void watchdog_reset(void)
{
- volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
- wdt->wdog_wcr = 0;
+ wdog_t *wdt = (wdog_t *)(MMAP_WDOG);
+
+ out_be16(&wdt->wdog_wcr, 0);
}
int watchdog_disable(void)
{
- volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
+ wdog_t *wdt = (wdog_t *)(MMAP_WDOG);
- wdt->wdog_wcr = 0; /* reset watchdog counter */
- wdt->wdog_wirr = 0; /* disable watchdog interrupt */
- wdt->wdog_wrrr = 0; /* disable watchdog timer */
+ /* reset watchdog counter */
+ out_be16(&wdt->wdog_wcr, 0);
+ /* disable watchdog interrupt */
+ out_be16(&wdt->wdog_wirr, 0);
+ /* disable watchdog timer */
+ out_be16(&wdt->wdog_wrrr, 0);
puts("WATCHDOG:disabled\n");
return (0);
int watchdog_init(void)
{
- volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
+ wdog_t *wdt = (wdog_t *)(MMAP_WDOG);
- wdt->wdog_wirr = 0; /* disable watchdog interrupt */
+ /* disable watchdog interrupt */
+ out_be16(&wdt->wdog_wirr, 0);
/* set timeout and enable watchdog */
- wdt->wdog_wrrr =
- ((CONFIG_WATCHDOG_TIMEOUT * CONFIG_SYS_HZ) / (32768 * 1000)) - 1;
- wdt->wdog_wcr = 0; /* reset watchdog counter */
+ out_be16(&wdt->wdog_wrrr,
+ (CONFIG_WATCHDOG_TIMEOUT * CONFIG_SYS_HZ) / (32768 * 1000) - 1);
+
+ /* reset watchdog counter */
+ out_be16(&wdt->wdog_wcr, 0);
puts("WATCHDOG:enabled\n");
return (0);
#ifdef CONFIG_M5275
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- volatile rcm_t *rcm = (rcm_t *)(MMAP_RCM);
+ rcm_t *rcm = (rcm_t *)(MMAP_RCM);
udelay(1000);
- rcm->rcr = RCM_RCR_SOFTRST;
+ out_8(&rcm->rcr, RCM_RCR_SOFTRST);
/* we don't return! */
return 0;
};
-int checkcpu(void)
+#if defined(CONFIG_DISPLAY_CPUINFO)
+int print_cpuinfo(void)
{
char buf[32];
strmhz(buf, CONFIG_SYS_CLK));
return 0;
};
-
+#endif /* CONFIG_DISPLAY_CPUINFO */
#if defined(CONFIG_WATCHDOG)
/* Called by macro WATCHDOG_RESET */
void watchdog_reset(void)
{
- volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
- wdt->wsr = 0x5555;
- wdt->wsr = 0xAAAA;
+ wdog_t *wdt = (wdog_t *)(MMAP_WDOG);
+
+ out_be16(&wdt->wsr, 0x5555);
+ out_be16(&wdt->wsr, 0xaaaa);
}
int watchdog_disable(void)
{
- volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
+ wdog_t *wdt = (wdog_t *)(MMAP_WDOG);
- wdt->wsr = 0x5555; /* reset watchdog counter */
- wdt->wsr = 0xAAAA;
- wdt->wcr = 0; /* disable watchdog timer */
+ /* reset watchdog counter */
+ out_be16(&wdt->wsr, 0x5555);
+ out_be16(&wdt->wsr, 0xaaaa);
+
+ /* disable watchdog timer */
+ out_be16(&wdt->wcr, 0);
puts("WATCHDOG:disabled\n");
return (0);
int watchdog_init(void)
{
- volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
+ wdog_t *wdt = (wdog_t *)(MMAP_WDOG);
- wdt->wcr = 0; /* disable watchdog */
+ /* disable watchdog */
+ out_be16(&wdt->wcr, 0);
/* set timeout and enable watchdog */
- wdt->wmr =
- ((CONFIG_WATCHDOG_TIMEOUT * CONFIG_SYS_HZ) / (32768 * 1000)) - 1;
- wdt->wsr = 0x5555; /* reset watchdog counter */
- wdt->wsr = 0xAAAA;
+ out_be16(&wdt->wmr,
+ (CONFIG_WATCHDOG_TIMEOUT * CONFIG_SYS_HZ) / (32768 * 1000) - 1);
+
+ /* reset watchdog counter */
+ out_be16(&wdt->wsr, 0x5555);
+ out_be16(&wdt->wsr, 0xaaaa);
puts("WATCHDOG:enabled\n");
return (0);
#endif /* #ifdef CONFIG_M5275 */
#ifdef CONFIG_M5282
-int checkcpu(void)
+#if defined(CONFIG_DISPLAY_CPUINFO)
+int print_cpuinfo(void)
{
unsigned char resetsource = MCFRESET_RSR;
(resetsource & MCFRESET_RSR_LVD) ? " Low Voltage" : "");
return 0;
}
+#endif /* CONFIG_DISPLAY_CPUINFO */
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
#endif
#ifdef CONFIG_M5249
-int checkcpu(void)
+#if defined(CONFIG_DISPLAY_CPUINFO)
+int print_cpuinfo(void)
{
char buf[32];
strmhz(buf, CONFIG_SYS_CLK));
return 0;
}
+#endif /* CONFIG_DISPLAY_CPUINFO */
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
#endif
#ifdef CONFIG_M5253
-int checkcpu(void)
+#if defined(CONFIG_DISPLAY_CPUINFO)
+int print_cpuinfo(void)
{
char buf[32];
}
return 0;
}
+#endif /* CONFIG_DISPLAY_CPUINFO */
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
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