GLOB_CTRL_RESET
sbus_writel(GLOB_CTRL_RESET, gregs + GLOB_CTRL);
if (sbus_readl(gregs + GLOB_CTRL) & GLOB_CTRL_RESET) {
sbus_writel(GLOB_CTRL_RESET, gregs + GLOB_CTRL);
if (tmp & GLOB_CTRL_RESET) {