drivers/memory/brcmstb_memc.c

37 static int brcmstb_memc_uses_lpddr4(struct brcmstb_memc *memc)
39 	void __iomem *config = memc->ddr_ctrl + REG_MEMC_CNTRLR_CONFIG;
47 static int brcmstb_memc_srpd_config(struct brcmstb_memc *memc,
50 	void __iomem *cfg = memc->ddr_ctrl + memc->srpd_offset;
57 	memc->timeout_cycles = cycles;
73 	struct brcmstb_memc *memc = dev_get_drvdata(dev);
75 	return sprintf(buf, "%d\n", memc->frequency);
81 	struct brcmstb_memc *memc = dev_get_drvdata(dev);
83 	return sprintf(buf, "%d\n", memc->timeout_cycles);
89 	struct brcmstb_memc *memc = dev_get_drvdata(dev);
98 	if (brcmstb_memc_uses_lpddr4(memc))
105 	ret = brcmstb_memc_srpd_config(memc, val);
129 	struct brcmstb_memc *memc;
132 	memc = devm_kzalloc(dev, sizeof(*memc), GFP_KERNEL);
133 	if (!memc)
136 	dev_set_drvdata(dev, memc);
139 	memc->srpd_offset = memc_data->srpd_offset;
141 	memc->ddr_ctrl = devm_platform_ioremap_resource(pdev, 0);
142 	if (IS_ERR(memc->ddr_ctrl))
143 		return PTR_ERR(memc->ddr_ctrl);
146 			     &memc->frequency);
176 		.compatible = "brcm,brcmstb-memc-ddr-rev-b.1.x",
180 		.compatible = "brcm,brcmstb-memc-ddr-rev-b.2.0",
184 		.compatible = "brcm,brcmstb-memc-ddr-rev-b.2.1",
188 		.compatible = "brcm,brcmstb-memc-ddr-rev-b.2.2",
192 		.compatible = "brcm,brcmstb-memc-ddr-rev-b.2.3",
196 		.compatible = "brcm,brcmstb-memc-ddr-rev-b.2.5",
200 		.compatible = "brcm,brcmstb-memc-ddr-rev-b.2.6",
204 		.compatible = "brcm,brcmstb-memc-ddr-rev-b.2.7",
208 		.compatible = "brcm,brcmstb-memc-ddr-rev-b.2.8",
212 		.compatible = "brcm,brcmstb-memc-ddr-rev-b.3.0",
216 		.compatible = "brcm,brcmstb-memc-ddr-rev-b.3.1",
220 		.compatible = "brcm,brcmstb-memc-ddr-rev-c.1.0",
224 		.compatible = "brcm,brcmstb-memc-ddr-rev-c.1.1",
228 		.compatible = "brcm,brcmstb-memc-ddr-rev-c.1.2",
232 		.compatible = "brcm,brcmstb-memc-ddr-rev-c.1.3",
236 		.compatible = "brcm,brcmstb-memc-ddr-rev-c.1.4",
241 		.compatible = "brcm,brcmstb-memc-ddr",
250 	struct brcmstb_memc *memc = dev_get_drvdata(dev);
251 	void __iomem *cfg = memc->ddr_ctrl + memc->srpd_offset;
254 	if (memc->timeout_cycles == 0)
273 	struct brcmstb_memc *memc = dev_get_drvdata(dev);
275 	if (memc->timeout_cycles == 0)
278 	return brcmstb_memc_srpd_config(memc, memc->timeout_cycles);