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Commit | Line | Data |
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293eb33f | 1 | /* |
d9ae52c8 | 2 | * (C) Copyright 2013 - 2015 Xilinx, Inc. |
293eb33f MS |
3 | * |
4 | * Xilinx Zynq SD Host Controller Interface | |
5 | * | |
1a459660 | 6 | * SPDX-License-Identifier: GPL-2.0+ |
293eb33f MS |
7 | */ |
8 | ||
9 | #include <common.h> | |
d9ae52c8 | 10 | #include <dm.h> |
345d3c0f MS |
11 | #include <fdtdec.h> |
12 | #include <libfdt.h> | |
293eb33f MS |
13 | #include <malloc.h> |
14 | #include <sdhci.h> | |
293eb33f | 15 | |
a57a4a5d SDPP |
16 | #ifndef CONFIG_ZYNQ_SDHCI_MIN_FREQ |
17 | # define CONFIG_ZYNQ_SDHCI_MIN_FREQ 0 | |
18 | #endif | |
19 | ||
329a449f SG |
20 | struct arasan_sdhci_plat { |
21 | struct mmc_config cfg; | |
22 | struct mmc mmc; | |
23 | }; | |
24 | ||
d9ae52c8 | 25 | static int arasan_sdhci_probe(struct udevice *dev) |
293eb33f | 26 | { |
329a449f | 27 | struct arasan_sdhci_plat *plat = dev_get_platdata(dev); |
d9ae52c8 MS |
28 | struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); |
29 | struct sdhci_host *host = dev_get_priv(dev); | |
329a449f | 30 | int ret; |
293eb33f | 31 | |
eddabd16 | 32 | host->quirks = SDHCI_QUIRK_WAIT_SEND_CMD | |
f9ec45d1 | 33 | SDHCI_QUIRK_BROKEN_R1B; |
b2156146 SDPP |
34 | |
35 | #ifdef CONFIG_ZYNQ_HISPD_BROKEN | |
36 | host->quirks |= SDHCI_QUIRK_NO_HISPD_BIT; | |
37 | #endif | |
38 | ||
14bed52d JC |
39 | ret = sdhci_setup_cfg(&plat->cfg, host, CONFIG_ZYNQ_SDHCI_MAX_FREQ, |
40 | CONFIG_ZYNQ_SDHCI_MIN_FREQ); | |
329a449f SG |
41 | host->mmc = &plat->mmc; |
42 | if (ret) | |
43 | return ret; | |
44 | host->mmc->priv = host; | |
cffe5d86 | 45 | host->mmc->dev = dev; |
329a449f | 46 | upriv->mmc = host->mmc; |
d9ae52c8 | 47 | |
329a449f | 48 | return sdhci_probe(dev); |
293eb33f | 49 | } |
d9ae52c8 MS |
50 | |
51 | static int arasan_sdhci_ofdata_to_platdata(struct udevice *dev) | |
52 | { | |
53 | struct sdhci_host *host = dev_get_priv(dev); | |
54 | ||
cacd1d2f | 55 | host->name = dev->name; |
d9ae52c8 MS |
56 | host->ioaddr = (void *)dev_get_addr(dev); |
57 | ||
58 | return 0; | |
59 | } | |
60 | ||
329a449f SG |
61 | static int arasan_sdhci_bind(struct udevice *dev) |
62 | { | |
63 | struct arasan_sdhci_plat *plat = dev_get_platdata(dev); | |
329a449f | 64 | |
24f5aec3 | 65 | return sdhci_bind(dev, &plat->mmc, &plat->cfg); |
329a449f SG |
66 | } |
67 | ||
d9ae52c8 MS |
68 | static const struct udevice_id arasan_sdhci_ids[] = { |
69 | { .compatible = "arasan,sdhci-8.9a" }, | |
70 | { } | |
71 | }; | |
72 | ||
73 | U_BOOT_DRIVER(arasan_sdhci_drv) = { | |
74 | .name = "arasan_sdhci", | |
75 | .id = UCLASS_MMC, | |
76 | .of_match = arasan_sdhci_ids, | |
77 | .ofdata_to_platdata = arasan_sdhci_ofdata_to_platdata, | |
329a449f SG |
78 | .ops = &sdhci_ops, |
79 | .bind = arasan_sdhci_bind, | |
d9ae52c8 MS |
80 | .probe = arasan_sdhci_probe, |
81 | .priv_auto_alloc_size = sizeof(struct sdhci_host), | |
329a449f | 82 | .platdata_auto_alloc_size = sizeof(struct arasan_sdhci_plat), |
d9ae52c8 | 83 | }; |