94 	struct aspeed_smc_controller *controller;  member
197 #define SEGMENT_ADDR_REG(controller, cs)	\  argument
198 	((controller)->regs + SEGMENT_ADDR_REG0 + (cs) * 4)
258 	return BIT(chip->controller->info->we0 + chip->cs);  in aspeed_smc_chip_write_bit()
263 	struct aspeed_smc_controller *controller = chip->controller;  in aspeed_smc_chip_check_config()  local
266 	reg = readl(controller->regs + CONFIG_REG);  in aspeed_smc_chip_check_config()
271 	dev_dbg(controller->dev, "config write is not set ! @%p: 0x%08x\n",  in aspeed_smc_chip_check_config()
272 		controller->regs + CONFIG_REG, reg);  in aspeed_smc_chip_check_config()
274 	writel(reg, controller->regs + CONFIG_REG);  in aspeed_smc_chip_check_config()
312 	mutex_lock(&chip->controller->mutex);  in aspeed_smc_prep()
320 	mutex_unlock(&chip->controller->mutex);  in aspeed_smc_unprep()
401 static int aspeed_smc_unregister(struct aspeed_smc_controller *controller)  in aspeed_smc_unregister()  argument
406 	for (n = 0; n < controller->info->nce; n++) {  in aspeed_smc_unregister()
407 		chip = controller->chips[n];  in aspeed_smc_unregister()
439 	struct aspeed_smc_controller *controller = chip->controller;  in aspeed_smc_chip_base()  local
443 	if (controller->info->nce > 1) {  in aspeed_smc_chip_base()
444 		reg = readl(SEGMENT_ADDR_REG(controller, chip->cs));  in aspeed_smc_chip_base()
452 	return controller->ahb_base + offset;  in aspeed_smc_chip_base()
455 static u32 aspeed_smc_ahb_base_phy(struct aspeed_smc_controller *controller)  in aspeed_smc_ahb_base_phy()  argument
457 	u32 seg0_val = readl(SEGMENT_ADDR_REG(controller, 0));  in aspeed_smc_ahb_base_phy()
465 	struct aspeed_smc_controller *controller = chip->controller;  in chip_set_segment()  local
469 	ahb_base_phy = aspeed_smc_ahb_base_phy(controller);  in chip_set_segment()
471 	seg_reg = SEGMENT_ADDR_REG(controller, cs);  in chip_set_segment()
486 	if (start + size > ahb_base_phy + controller->ahb_window_size) {  in chip_set_segment()
487 		size = ahb_base_phy + controller->ahb_window_size - start;  in chip_set_segment()
525 	struct aspeed_smc_controller *controller = chip->controller;  in aspeed_smc_chip_set_segment()  local
533 	if (size > controller->info->maxsize)  in aspeed_smc_chip_set_segment()
534 		size = controller->info->maxsize;  in aspeed_smc_chip_set_segment()
541 	if (controller->info == &spi_2400_info)  in aspeed_smc_chip_set_segment()
550 	if (chip->cs == 0 && controller->info == &spi_2500_info &&  in aspeed_smc_chip_set_segment()
558 	ahb_base_phy = aspeed_smc_ahb_base_phy(controller);  in aspeed_smc_chip_set_segment()
566 		u32 prev = readl(SEGMENT_ADDR_REG(controller, chip->cs - 1));  in aspeed_smc_chip_set_segment()
576 	chip->ahb_base = controller->ahb_base + (start - ahb_base_phy);  in aspeed_smc_chip_set_segment()
583 	if (chip->cs < controller->info->nce - 1)  in aspeed_smc_chip_set_segment()
597 	struct aspeed_smc_controller *controller = chip->controller;  in aspeed_smc_chip_enable_write()  local
600 	reg = readl(controller->regs + CONFIG_REG);  in aspeed_smc_chip_enable_write()
603 	writel(reg, controller->regs + CONFIG_REG);  in aspeed_smc_chip_enable_write()
608 	struct aspeed_smc_controller *controller = chip->controller;  in aspeed_smc_chip_set_type()  local
613 	reg = readl(controller->regs + CONFIG_REG);  in aspeed_smc_chip_set_type()
616 	writel(reg, controller->regs + CONFIG_REG);  in aspeed_smc_chip_set_type()
626 	struct aspeed_smc_controller *controller = chip->controller;  in aspeed_smc_chip_set_4b()  local
629 	reg = readl(controller->regs + CE_CONTROL_REG);  in aspeed_smc_chip_set_4b()
631 	writel(reg, controller->regs + CE_CONTROL_REG);  in aspeed_smc_chip_set_4b()
648 	struct aspeed_smc_controller *controller = chip->controller;  in aspeed_smc_chip_setup_init()  local
649 	const struct aspeed_smc_info *info = controller->info;  in aspeed_smc_chip_setup_init()
678 	dev_dbg(controller->dev, "control register: %08x\n", reg);  in aspeed_smc_chip_setup_init()
682 		dev_dbg(controller->dev,  in aspeed_smc_chip_setup_init()
700 	dev_dbg(controller->dev, "default control register: %08x\n",  in aspeed_smc_chip_setup_init()
707 	struct aspeed_smc_controller *controller = chip->controller;  in aspeed_smc_chip_setup_finish()  local
708 	const struct aspeed_smc_info *info = controller->info;  in aspeed_smc_chip_setup_finish()
724 	dev_dbg(controller->dev, "write control register: %08x\n",  in aspeed_smc_chip_setup_finish()
744 	dev_dbg(controller->dev, "base control register: %08x\n",  in aspeed_smc_chip_setup_finish()
749 static int aspeed_smc_setup_flash(struct aspeed_smc_controller *controller,  in aspeed_smc_setup_flash()  argument
757 	const struct aspeed_smc_info *info = controller->info;  in aspeed_smc_setup_flash()
758 	struct device *dev = controller->dev;  in aspeed_smc_setup_flash()
785 		if (controller->chips[cs]) {  in aspeed_smc_setup_flash()
787 				cs, dev_name(controller->chips[cs]->nor.dev));  in aspeed_smc_setup_flash()
792 		chip = devm_kzalloc(controller->dev, sizeof(*chip), GFP_KERNEL);  in aspeed_smc_setup_flash()
798 		chip->controller = controller;  in aspeed_smc_setup_flash()
799 		chip->ctl = controller->regs + info->ctl0 + cs * 4;  in aspeed_smc_setup_flash()
836 		controller->chips[cs] = chip;  in aspeed_smc_setup_flash()
841 		aspeed_smc_unregister(controller);  in aspeed_smc_setup_flash()
851 	struct aspeed_smc_controller *controller;  in aspeed_smc_probe()  local
862 	controller = devm_kzalloc(&pdev->dev,  in aspeed_smc_probe()
863 				  struct_size(controller, chips, info->nce),  in aspeed_smc_probe()
865 	if (!controller)  in aspeed_smc_probe()
867 	controller->info = info;  in aspeed_smc_probe()
868 	controller->dev = dev;  in aspeed_smc_probe()
870 	mutex_init(&controller->mutex);  in aspeed_smc_probe()
871 	platform_set_drvdata(pdev, controller);  in aspeed_smc_probe()
874 	controller->regs = devm_ioremap_resource(dev, res);  in aspeed_smc_probe()
875 	if (IS_ERR(controller->regs))  in aspeed_smc_probe()
876 		return PTR_ERR(controller->regs);  in aspeed_smc_probe()
879 	controller->ahb_base = devm_ioremap_resource(dev, res);  in aspeed_smc_probe()
880 	if (IS_ERR(controller->ahb_base))  in aspeed_smc_probe()
881 		return PTR_ERR(controller->ahb_base);  in aspeed_smc_probe()
883 	controller->ahb_window_size = resource_size(res);  in aspeed_smc_probe()
885 	ret = aspeed_smc_setup_flash(controller, np, res);  in aspeed_smc_probe()