SYS_SBRD_PRES_EN
if (csr & SYS_SBRD_PRES_EN) {
csr &= ~SYS_SBRD_PRES_EN;
SYS_PPS_FAN_FAIL_EN | SYS_SBRD_PRES_EN);
SYS_PPS_FAN_FAIL_EN | SYS_SBRD_PRES_EN);
if (softsp->saved_en_state & SYS_SBRD_PRES_EN)
SYS_PPS_FAN_FAIL_EN | SYS_SBRD_PRES_EN);
SYS_PS_FAIL_EN | SYS_SBRD_PRES_EN;
*(softsp->csr) |= SYS_SBRD_PRES_EN;
SYS_AC_PWR_FAIL_EN | SYS_SBRD_PRES_EN);
enable_sys_interrupt &= ~SYS_SBRD_PRES_EN;
SYS_PPS_FAN_FAIL_EN | SYS_SBRD_PRES_EN);