bar2_writel
bar2_writel(tegra, (FW_IOCTL_CFGTBL_READ << FW_IOCTL_TYPE_SHIFT) | offset,
.mbox_reg_writel = &bar2_writel,
bar2_writel(tegra, page, XUSB_BAR2_ARU_C11_CSBRANGE);
bar2_writel(tegra, page, XUSB_BAR2_ARU_C11_CSBRANGE);
bar2_writel(tegra, value, XUSB_BAR2_CSB_BASE_ADDR + ofs);