LIB = $(obj)lib$(SOC).o
-COBJS += aemif.o clock.o init.o mux.o timer.o wdt.o
+COBJS += aemif.o clock.o init.o mux.o timer.o
SOBJS += lowlevel_init.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
+++ /dev/null
-/*
- * TNETV107X: Watchdog timer implementation (for reset)
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-
-#define MAX_DIV 0xFFFE0001
-
-struct wdt_regs {
- u32 kick_lock;
-#define KICK_LOCK_1 0x5555
-#define KICK_LOCK_2 0xaaaa
- u32 kick;
-
- u32 change_lock;
-#define CHANGE_LOCK_1 0x6666
-#define CHANGE_LOCK_2 0xbbbb
- u32 change;
-
- u32 disable_lock;
-#define DISABLE_LOCK_1 0x7777
-#define DISABLE_LOCK_2 0xcccc
-#define DISABLE_LOCK_3 0xdddd
- u32 disable;
-
- u32 prescale_lock;
-#define PRESCALE_LOCK_1 0x5a5a
-#define PRESCALE_LOCK_2 0xa5a5
- u32 prescale;
-};
-
-static struct wdt_regs* regs = (struct wdt_regs *)TNETV107X_WDT0_ARM_BASE;
-
-#define wdt_reg_read(reg) __raw_readl(®s->reg)
-#define wdt_reg_write(reg, val) __raw_writel((val), ®s->reg)
-
-static int write_prescale_reg(unsigned long prescale_value)
-{
- wdt_reg_write(prescale_lock, PRESCALE_LOCK_1);
- if ((wdt_reg_read(prescale_lock) & 0x3) != 0x1)
- return -1;
-
- wdt_reg_write(prescale_lock, PRESCALE_LOCK_2);
- if ((wdt_reg_read(prescale_lock) & 0x3) != 0x3)
- return -1;
-
- wdt_reg_write(prescale, prescale_value);
-
- return 0;
-}
-
-static int write_change_reg(unsigned long initial_timer_value)
-{
- wdt_reg_write(change_lock, CHANGE_LOCK_1);
- if ((wdt_reg_read(change_lock) & 0x3) != 0x1)
- return -1;
-
- wdt_reg_write(change_lock, CHANGE_LOCK_2);
- if ((wdt_reg_read(change_lock) & 0x3) != 0x3)
- return -1;
-
- wdt_reg_write(change, initial_timer_value);
-
- return 0;
-}
-
-static int wdt_control(unsigned long disable_value)
-{
- wdt_reg_write(disable_lock, DISABLE_LOCK_1);
- if ((wdt_reg_read(disable_lock) & 0x3) != 0x1)
- return -1;
-
- wdt_reg_write(disable_lock, DISABLE_LOCK_2);
- if ((wdt_reg_read(disable_lock) & 0x3) != 0x2)
- return -1;
-
- wdt_reg_write(disable_lock, DISABLE_LOCK_3);
- if ((wdt_reg_read(disable_lock) & 0x3) != 0x3)
- return -1;
-
- wdt_reg_write(disable, disable_value);
- return 0;
-}
-
-static int wdt_set_period(unsigned long msec)
-{
- unsigned long change_value, count_value;
- unsigned long prescale_value = 1;
- unsigned long refclk_khz, maxdiv;
- int ret;
-
- refclk_khz = clk_get_rate(TNETV107X_LPSC_WDT_ARM);
- maxdiv = (MAX_DIV / refclk_khz);
-
- if ((!msec) || (msec > maxdiv))
- return -1;
-
- count_value = refclk_khz * msec;
- if (count_value > 0xffff) {
- change_value = count_value / 0xffff + 1;
- prescale_value = count_value / change_value;
- } else {
- change_value = count_value;
- }
-
- ret = write_prescale_reg(prescale_value - 1);
- if (ret)
- return ret;
-
- ret = write_change_reg(change_value);
- if (ret)
- return ret;
-
- return 0;
-}
-
-unsigned long last_wdt = -1;
-
-int wdt_start(unsigned long msecs)
-{
- int ret;
- ret = wdt_control(0);
- if (ret)
- return ret;
- ret = wdt_set_period(msecs);
- if (ret)
- return ret;
- ret = wdt_control(1);
- if (ret)
- return ret;
- ret = wdt_kick();
- last_wdt = msecs;
- return ret;
-}
-
-int wdt_stop(void)
-{
- last_wdt = -1;
- return wdt_control(0);
-}
-
-int wdt_kick(void)
-{
- wdt_reg_write(kick_lock, KICK_LOCK_1);
- if ((wdt_reg_read(kick_lock) & 0x3) != 0x1)
- return -1;
-
- wdt_reg_write(kick_lock, KICK_LOCK_2);
- if ((wdt_reg_read(kick_lock) & 0x3) != 0x3)
- return -1;
-
- wdt_reg_write(kick, 1);
- return 0;
-}
-
-void reset_cpu(ulong addr)
-{
- clk_enable(TNETV107X_LPSC_WDT_ARM);
- wdt_start(1);
- wdt_kick();
-}
COBJS-$(CONFIG_AT91SAM9_WATCHDOG) += at91sam9_wdt.o
COBJS-$(CONFIG_FTWDT010_WATCHDOG) += ftwdt010_wdt.o
+COBJS-$(CONFIG_TNETV107X_WATCHDOG) += tnetv107x_wdt.o
COBJS := $(COBJS-y)
SRCS := $(COBJS:.o=.c)
--- /dev/null
+/*
+ * TNETV107X: Watchdog timer implementation (for reset)
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+
+#define MAX_DIV 0xFFFE0001
+
+struct wdt_regs {
+ u32 kick_lock;
+#define KICK_LOCK_1 0x5555
+#define KICK_LOCK_2 0xaaaa
+ u32 kick;
+
+ u32 change_lock;
+#define CHANGE_LOCK_1 0x6666
+#define CHANGE_LOCK_2 0xbbbb
+ u32 change;
+
+ u32 disable_lock;
+#define DISABLE_LOCK_1 0x7777
+#define DISABLE_LOCK_2 0xcccc
+#define DISABLE_LOCK_3 0xdddd
+ u32 disable;
+
+ u32 prescale_lock;
+#define PRESCALE_LOCK_1 0x5a5a
+#define PRESCALE_LOCK_2 0xa5a5
+ u32 prescale;
+};
+
+static struct wdt_regs* regs = (struct wdt_regs *)TNETV107X_WDT0_ARM_BASE;
+
+#define wdt_reg_read(reg) __raw_readl(®s->reg)
+#define wdt_reg_write(reg, val) __raw_writel((val), ®s->reg)
+
+static int write_prescale_reg(unsigned long prescale_value)
+{
+ wdt_reg_write(prescale_lock, PRESCALE_LOCK_1);
+ if ((wdt_reg_read(prescale_lock) & 0x3) != 0x1)
+ return -1;
+
+ wdt_reg_write(prescale_lock, PRESCALE_LOCK_2);
+ if ((wdt_reg_read(prescale_lock) & 0x3) != 0x3)
+ return -1;
+
+ wdt_reg_write(prescale, prescale_value);
+
+ return 0;
+}
+
+static int write_change_reg(unsigned long initial_timer_value)
+{
+ wdt_reg_write(change_lock, CHANGE_LOCK_1);
+ if ((wdt_reg_read(change_lock) & 0x3) != 0x1)
+ return -1;
+
+ wdt_reg_write(change_lock, CHANGE_LOCK_2);
+ if ((wdt_reg_read(change_lock) & 0x3) != 0x3)
+ return -1;
+
+ wdt_reg_write(change, initial_timer_value);
+
+ return 0;
+}
+
+static int wdt_control(unsigned long disable_value)
+{
+ wdt_reg_write(disable_lock, DISABLE_LOCK_1);
+ if ((wdt_reg_read(disable_lock) & 0x3) != 0x1)
+ return -1;
+
+ wdt_reg_write(disable_lock, DISABLE_LOCK_2);
+ if ((wdt_reg_read(disable_lock) & 0x3) != 0x2)
+ return -1;
+
+ wdt_reg_write(disable_lock, DISABLE_LOCK_3);
+ if ((wdt_reg_read(disable_lock) & 0x3) != 0x3)
+ return -1;
+
+ wdt_reg_write(disable, disable_value);
+ return 0;
+}
+
+static int wdt_set_period(unsigned long msec)
+{
+ unsigned long change_value, count_value;
+ unsigned long prescale_value = 1;
+ unsigned long refclk_khz, maxdiv;
+ int ret;
+
+ refclk_khz = clk_get_rate(TNETV107X_LPSC_WDT_ARM);
+ maxdiv = (MAX_DIV / refclk_khz);
+
+ if ((!msec) || (msec > maxdiv))
+ return -1;
+
+ count_value = refclk_khz * msec;
+ if (count_value > 0xffff) {
+ change_value = count_value / 0xffff + 1;
+ prescale_value = count_value / change_value;
+ } else {
+ change_value = count_value;
+ }
+
+ ret = write_prescale_reg(prescale_value - 1);
+ if (ret)
+ return ret;
+
+ ret = write_change_reg(change_value);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+unsigned long last_wdt = -1;
+
+int wdt_start(unsigned long msecs)
+{
+ int ret;
+ ret = wdt_control(0);
+ if (ret)
+ return ret;
+ ret = wdt_set_period(msecs);
+ if (ret)
+ return ret;
+ ret = wdt_control(1);
+ if (ret)
+ return ret;
+ ret = wdt_kick();
+ last_wdt = msecs;
+ return ret;
+}
+
+int wdt_stop(void)
+{
+ last_wdt = -1;
+ return wdt_control(0);
+}
+
+int wdt_kick(void)
+{
+ wdt_reg_write(kick_lock, KICK_LOCK_1);
+ if ((wdt_reg_read(kick_lock) & 0x3) != 0x1)
+ return -1;
+
+ wdt_reg_write(kick_lock, KICK_LOCK_2);
+ if ((wdt_reg_read(kick_lock) & 0x3) != 0x3)
+ return -1;
+
+ wdt_reg_write(kick, 1);
+ return 0;
+}
+
+void reset_cpu(ulong addr)
+{
+ clk_enable(TNETV107X_LPSC_WDT_ARM);
+ wdt_start(1);
+ wdt_kick();
+}
#define CONFIG_ARM1176
#define CONFIG_TNETV107X
#define CONFIG_TNETV107X_EVM
+#define CONFIG_TNETV107X_WATCHDOG
#define CONFIG_ARCH_CPU_INIT
#define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_TEXT_BASE
#define CONFIG_DISABLE_TCM
projects / project / bcm63xx / u-boot.git / commitdiff