diff options
Diffstat (limited to 'board/armltd')
| -rw-r--r-- | board/armltd/vexpress/vexpress_common.c | 29 |
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"); } /* |