drivers/spi/spi-rockchip-sfc.c

174 	void __iomem *regbase;
192 	writel_relaxed(SFC_RCVR_RESET, sfc->regbase + SFC_RCVR);
194 	err = readl_poll_timeout(sfc->regbase + SFC_RCVR, status,
201 	writel_relaxed(0xFFFFFFFF, sfc->regbase + SFC_ICLR);
210 	return  (u16)(readl(sfc->regbase + SFC_VER) & 0xffff);
223 	reg = readl(sfc->regbase + SFC_IMR);
225 	writel(reg, sfc->regbase + SFC_IMR);
233 	reg = readl(sfc->regbase + SFC_IMR);
235 	writel(reg, sfc->regbase + SFC_IMR);
240 	writel(0, sfc->regbase + SFC_CTRL);
241 	writel(0xFFFFFFFF, sfc->regbase + SFC_ICLR);
244 		writel(SFC_LEN_CTRL_TRB_SEL, sfc->regbase + SFC_LEN_CTRL);
254 	ret = readl_poll_timeout(sfc->regbase + SFC_FSR, status,
271 	ret = readl_poll_timeout(sfc->regbase + SFC_FSR, status,
317 			writel(op->addr.nbytes * 8 - 1, sfc->regbase + SFC_ABIT);
335 		writel(len, sfc->regbase + SFC_LEN_EXT);
357 	writel(ctrl, sfc->regbase + SFC_CTRL);
358 	writel(cmd, sfc->regbase + SFC_CMD);
360 		writel(op->addr.val, sfc->regbase + SFC_ADDR);
379 		iowrite32_rep(sfc->regbase + SFC_DATA, buf, write_words);
390 		writel(tmp, sfc->regbase + SFC_DATA);
411 		ioread32_rep(sfc->regbase + SFC_DATA, buf, read_words);
421 		tmp = readl(sfc->regbase + SFC_DATA);
430 	writel(0xFFFFFFFF, sfc->regbase + SFC_ICLR);
431 	writel((u32)dma_buf, sfc->regbase + SFC_DMA_ADDR);
432 	writel(SFC_DMA_TRIGGER_START, sfc->regbase + SFC_DMA_TRIGGER);
475 	ret = readl_poll_timeout(sfc->regbase + SFC_SR, status,
543 	reg = readl(sfc->regbase + SFC_RISR);
546 	writel_relaxed(reg, sfc->regbase + SFC_ICLR);
578 	sfc->regbase = devm_platform_ioremap_resource(pdev, 0);
579 	if (IS_ERR(sfc->regbase))
580 		return PTR_ERR(sfc->regbase);