+// SPDX-License-Identifier: GPL-2.0+
/*
* Support of SDHCI for Microchip PIC32 SoC.
*
* Copyright (C) 2015 Microchip Technology Inc.
* Andrei Pistirica <andrei.pistirica@microchip.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
-#include <dm.h>
#include <common.h>
+#include <dm.h>
#include <sdhci.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
#include <mach/pic32.h>
DECLARE_GLOBAL_DATA_PTR;
+static int pic32_sdhci_get_cd(struct sdhci_host *host)
+{
+ /* PIC32 SDHCI CD errata:
+ * - set CD_TEST and clear CD_TEST_INS bit
+ */
+ sdhci_writeb(host, SDHCI_CTRL_CD_TEST, SDHCI_HOST_CONTROL);
+
+ return 0;
+}
+
+static const struct sdhci_ops pic32_sdhci_ops = {
+ .get_cd = pic32_sdhci_get_cd,
+};
+
static int pic32_sdhci_probe(struct udevice *dev)
{
struct sdhci_host *host = dev_get_priv(dev);
fdt_size_t size;
int ret;
- addr = fdtdec_get_addr_size(fdt, dev->of_offset, "reg", &size);
+ addr = fdtdec_get_addr_size(fdt, dev_of_offset(dev), "reg", &size);
if (addr == FDT_ADDR_T_NONE)
return -EINVAL;
host->ioaddr = ioremap(addr, size);
host->name = dev->name;
- host->quirks = SDHCI_QUIRK_NO_HISPD_BIT | SDHCI_QUIRK_NO_CD;
- host->bus_width = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
+ host->quirks = SDHCI_QUIRK_NO_HISPD_BIT;
+ host->bus_width = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
"bus-width", 4);
+ host->ops = &pic32_sdhci_ops;
- ret = fdtdec_get_int_array(gd->fdt_blob, dev->of_offset,
+ ret = fdtdec_get_int_array(gd->fdt_blob, dev_of_offset(dev),
"clock-freq-min-max", f_min_max, 2);
if (ret) {
printf("sdhci: clock-freq-min-max not found\n");
return ret;
}
- ret = add_sdhci(host, f_min_max[1], f_min_max[0]);
+ host->max_clk = f_min_max[1];
+
+ ret = add_sdhci(host, 0, f_min_max[0]);
if (ret)
return ret;
host->mmc->dev = dev;