SAR_REG_CMD
writel(SAR_CMD_READ_SRAM | (addr << 2), SAR_REG_CMD);
writel(SAR_CMD_WRITE_SRAM | (addr << 2), SAR_REG_CMD);
writel(SAR_CMD_READ_UTILITY + ubus_addr, SAR_REG_CMD);
writel(SAR_CMD_OPEN_CONNECTION | (addr << 2), SAR_REG_CMD);
writel(SAR_CMD_WRITE_UTILITY + ubus_addr, SAR_REG_CMD);
writel(SAR_CMD_CLOSE_CONNECTION | (addr << 2), SAR_REG_CMD);
SAR_REG_CMD);
SAR_REG_CMD);
writel(SAR_CMD_WRITE_SRAM | (0 << 2), SAR_REG_CMD);
writel(SAR_CMD_WRITE_SRAM | (addr << 2), SAR_REG_CMD);
writel(SAR_CMD_READ_SRAM | (0 << 2), SAR_REG_CMD);