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-rw-r--r--board/armltd/vexpress/vexpress_common.c29
1 files changed, 23 insertions, 6 deletions
diff --git a/board/armltd/vexpress/vexpress_common.c b/board/armltd/vexpress/vexpress_common.c
index c4f2520..2c54869 100644
--- a/board/armltd/vexpress/vexpress_common.c
+++ b/board/armltd/vexpress/vexpress_common.c
@@ -45,8 +45,7 @@
static ulong timestamp;
static ulong lastdec;
-static struct wdt *wdt_base = (struct wdt *)WDT_BASE;
-static struct systimer *systimer_base = (struct systimer *)SYSTIMER_BASE;
+static struct systimer *systimer_base = (struct systimer *)V2M_TIMER01;
static struct sysctrl *sysctrl_base = (struct sysctrl *)SCTL_BASE;
static void flash__init(void);
@@ -173,13 +172,31 @@ static void vexpress_timer_init(void)
reset_timer_masked();
}
+int v2m_cfg_write(u32 devfn, u32 data)
+{
+ /* Configuration interface broken? */
+ u32 val;
+
+ devfn |= SYS_CFG_START | SYS_CFG_WRITE;
+
+ val = readl(V2M_SYS_CFGSTAT);
+ writel(val & ~SYS_CFG_COMPLETE, V2M_SYS_CFGSTAT);
+
+ writel(data, V2M_SYS_CFGDATA);
+ writel(devfn, V2M_SYS_CFGCTRL);
+
+ do {
+ val = readl(V2M_SYS_CFGSTAT);
+ } while (val == 0);
+
+ return !!(val & SYS_CFG_ERR);
+}
+
/* Use the ARM Watchdog System to cause reset */
void reset_cpu(ulong addr)
{
- writeb(WDT_EN, &wdt_base->wdogcontrol);
- writel(WDT_RESET_LOAD, &wdt_base->wdogload);
- while (1)
- ;
+ if (v2m_cfg_write(SYS_CFG_REBOOT | SYS_CFG_SITE_MB, 0))
+ printf("Unable to reboot\n");
}
/*