Lines Matching +full:supports +full:- +full:cqe
1 // SPDX-License-Identifier: GPL-2.0-only
3 * sdhci-brcmstb.c Support for SDHCI on Broadcom BRCMSTB SoC's
15 #include "sdhci-pltfm.h"
43 dev_dbg(mmc_dev(mmc), "%s(): Setting HS400-Enhanced-Strobe mode\n", in sdhci_brcmstb_hs400es()
45 reg = readl(host->ioaddr + SDHCI_VENDOR); in sdhci_brcmstb_hs400es()
46 if (ios->enhanced_strobe) in sdhci_brcmstb_hs400es()
50 writel(reg, host->ioaddr + SDHCI_VENDOR); in sdhci_brcmstb_hs400es()
57 host->mmc->actual_clock = 0; in sdhci_brcmstb_set_clock()
59 clk = sdhci_calc_clk(host, clock, &host->mmc->actual_clock); in sdhci_brcmstb_set_clock()
73 dev_dbg(mmc_dev(host->mmc), "%s: Setting UHS signaling for %d timing\n", in sdhci_brcmstb_set_uhs_signaling()
93 ctrl_2 |= SDHCI_CTRL_HS400; /* Non-standard */ in sdhci_brcmstb_set_uhs_signaling()
153 { .compatible = "brcm,bcm7425-sdhci", .data = &match_priv_7425 },
154 { .compatible = "brcm,bcm7445-sdhci", .data = &match_priv_7445 },
155 { .compatible = "brcm,bcm7216-sdhci", .data = &match_priv_7216 },
167 cqhci_irq(host->mmc, intmask, cmd_error, data_error); in sdhci_brcmstb_cqhci_irq()
179 if (!priv->has_cqe) in sdhci_brcmstb_add_host()
182 dev_dbg(mmc_dev(host->mmc), "CQE is enabled\n"); in sdhci_brcmstb_add_host()
183 host->mmc->caps2 |= MMC_CAP2_CQE | MMC_CAP2_CQE_DCMD; in sdhci_brcmstb_add_host()
188 cq_host = devm_kzalloc(mmc_dev(host->mmc), in sdhci_brcmstb_add_host()
191 ret = -ENOMEM; in sdhci_brcmstb_add_host()
195 cq_host->mmio = host->ioaddr + SDHCI_ARASAN_CQE_BASE_ADDR; in sdhci_brcmstb_add_host()
196 cq_host->ops = &sdhci_brcmstb_cqhci_ops; in sdhci_brcmstb_add_host()
198 dma64 = host->flags & SDHCI_USE_64_BIT_DMA; in sdhci_brcmstb_add_host()
200 dev_dbg(mmc_dev(host->mmc), "Using 64 bit DMA\n"); in sdhci_brcmstb_add_host()
201 cq_host->caps |= CQHCI_TASK_DESC_SZ_128; in sdhci_brcmstb_add_host()
202 cq_host->quirks |= CQHCI_QUIRK_SHORT_TXFR_DESC_SZ; in sdhci_brcmstb_add_host()
205 ret = cqhci_init(cq_host, host->mmc, dma64); in sdhci_brcmstb_add_host()
233 match = of_match_node(sdhci_brcm_of_match, pdev->dev.of_node); in sdhci_brcmstb_probe()
234 match_priv = match->data; in sdhci_brcmstb_probe()
236 dev_dbg(&pdev->dev, "Probe found match for %s\n", match->compatible); in sdhci_brcmstb_probe()
238 clk = devm_clk_get_optional(&pdev->dev, NULL); in sdhci_brcmstb_probe()
240 return dev_err_probe(&pdev->dev, PTR_ERR(clk), in sdhci_brcmstb_probe()
248 if (device_property_read_bool(&pdev->dev, "supports-cqe")) { in sdhci_brcmstb_probe()
250 match_priv->ops->irq = sdhci_brcmstb_cqhci_irq; in sdhci_brcmstb_probe()
252 brcmstb_pdata.ops = match_priv->ops; in sdhci_brcmstb_probe()
262 priv->has_cqe = has_cqe; in sdhci_brcmstb_probe()
264 /* Map in the non-standard CFG registers */ in sdhci_brcmstb_probe()
266 priv->cfg_regs = devm_ioremap_resource(&pdev->dev, iomem); in sdhci_brcmstb_probe()
267 if (IS_ERR(priv->cfg_regs)) { in sdhci_brcmstb_probe()
268 res = PTR_ERR(priv->cfg_regs); in sdhci_brcmstb_probe()
273 res = mmc_of_parse(host->mmc); in sdhci_brcmstb_probe()
281 if (match_priv->hs400es && in sdhci_brcmstb_probe()
282 (host->mmc->caps2 & MMC_CAP2_HS400_ES)) in sdhci_brcmstb_probe()
283 host->mmc_host_ops.hs400_enhanced_strobe = match_priv->hs400es; in sdhci_brcmstb_probe()
290 host->caps = sdhci_readl(host, SDHCI_CAPABILITIES); in sdhci_brcmstb_probe()
291 if (match_priv->flags & BRCMSTB_PRIV_FLAGS_NO_64BIT) in sdhci_brcmstb_probe()
292 host->caps &= ~SDHCI_CAN_64BIT; in sdhci_brcmstb_probe()
293 host->caps1 = sdhci_readl(host, SDHCI_CAPABILITIES_1); in sdhci_brcmstb_probe()
294 host->caps1 &= ~(SDHCI_SUPPORT_SDR50 | SDHCI_SUPPORT_SDR104 | in sdhci_brcmstb_probe()
296 host->quirks |= SDHCI_QUIRK_MISSING_CAPS; in sdhci_brcmstb_probe()
298 if (match_priv->flags & BRCMSTB_PRIV_FLAGS_BROKEN_TIMEOUT) in sdhci_brcmstb_probe()
299 host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL; in sdhci_brcmstb_probe()
305 pltfm_host->clk = clk; in sdhci_brcmstb_probe()
321 dev_err(&pdev->dev, "failed to shutdown\n"); in sdhci_brcmstb_shutdown()
328 .name = "sdhci-brcmstb",