sdhci_fdt.c (be27b3116288a0ff98ddce9c853b6f4fe55e85ee) sdhci_fdt.c (018101a836f0e0f36db6973bde543685ebf67436)
1/*-
2 * Copyright (c) 2012 Thomas Skibo
3 * Copyright (c) 2008 Alexander Motin <mav@FreeBSD.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

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52
53#include <dev/mmc/bridge.h>
54
55#include <dev/sdhci/sdhci.h>
56
57#include "mmcbr_if.h"
58#include "sdhci_if.h"
59
1/*-
2 * Copyright (c) 2012 Thomas Skibo
3 * Copyright (c) 2008 Alexander Motin <mav@FreeBSD.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

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52
53#include <dev/mmc/bridge.h>
54
55#include <dev/sdhci/sdhci.h>
56
57#include "mmcbr_if.h"
58#include "sdhci_if.h"
59
60#define MAX_SLOTS 6
60#define MAX_SLOTS 6
61#define SDHCI_FDT_ARMADA38X 1
62#define SDHCI_FDT_GENERIC 2
63#define SDHCI_FDT_XLNX_ZY7 3
61
64
65static struct ofw_compat_data compat_data[] = {
66 { "marvell,armada-380-sdhci", SDHCI_FDT_ARMADA38X },
67 { "sdhci_generic", SDHCI_FDT_GENERIC },
68 { "xlnx,zy7_sdhci", SDHCI_FDT_XLNX_ZY7 },
69 { NULL, 0 }
70};
71
62struct sdhci_fdt_softc {
63 device_t dev; /* Controller device */
64 u_int quirks; /* Chip specific quirks */
65 u_int caps; /* If we override SDHCI_CAPABILITIES */
66 uint32_t max_clk; /* Max possible freq */
67 struct resource *irq_res; /* IRQ resource */
68 void *intrhand; /* Interrupt handle */
69

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176
177 sc->quirks = 0;
178 sc->num_slots = 1;
179 sc->max_clk = 0;
180
181 if (!ofw_bus_status_okay(dev))
182 return (ENXIO);
183
72struct sdhci_fdt_softc {
73 device_t dev; /* Controller device */
74 u_int quirks; /* Chip specific quirks */
75 u_int caps; /* If we override SDHCI_CAPABILITIES */
76 uint32_t max_clk; /* Max possible freq */
77 struct resource *irq_res; /* IRQ resource */
78 void *intrhand; /* Interrupt handle */
79

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186
187 sc->quirks = 0;
188 sc->num_slots = 1;
189 sc->max_clk = 0;
190
191 if (!ofw_bus_status_okay(dev))
192 return (ENXIO);
193
184 if (ofw_bus_is_compatible(dev, "sdhci_generic")) {
194 switch (ofw_bus_search_compatible(dev, compat_data)->ocd_data) {
195 case SDHCI_FDT_ARMADA38X:
196 sc->quirks = SDHCI_QUIRK_BROKEN_AUTO_STOP;
197 device_set_desc(dev, "ARMADA38X SDHCI controller");
198 break;
199 case SDHCI_FDT_GENERIC:
185 device_set_desc(dev, "generic fdt SDHCI controller");
200 device_set_desc(dev, "generic fdt SDHCI controller");
186 } else if (ofw_bus_is_compatible(dev, "xlnx,zy7_sdhci")) {
201 break;
202 case SDHCI_FDT_XLNX_ZY7:
187 sc->quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK;
188 device_set_desc(dev, "Zynq-7000 generic fdt SDHCI controller");
203 sc->quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK;
204 device_set_desc(dev, "Zynq-7000 generic fdt SDHCI controller");
189 } else
205 break;
206 default:
190 return (ENXIO);
207 return (ENXIO);
208 }
191
192 node = ofw_bus_get_node(dev);
193
194 /* Allow dts to patch quirks, slots, and max-frequency. */
195 if ((OF_getencprop(node, "quirks", &cid, sizeof(cid))) > 0)
196 sc->quirks = cid;
197 if ((OF_getencprop(node, "num-slots", &cid, sizeof(cid))) > 0)
198 sc->num_slots = cid;

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210 node = ofw_bus_get_node(dev);
211
212 /* Allow dts to patch quirks, slots, and max-frequency. */
213 if ((OF_getencprop(node, "quirks", &cid, sizeof(cid))) > 0)
214 sc->quirks = cid;
215 if ((OF_getencprop(node, "num-slots", &cid, sizeof(cid))) > 0)
216 sc->num_slots = cid;

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