dm: arm: bcmstb: Enable driver model MMC support
For bcm7445 and bcm7260, this patch enables CONFIG_DM_MMC and updates
the bcmstb SDHCI driver to use the new driver model. This allows
removal of SDHCI configuration handling from bcmstb.c, and eliminates
a board removal compile warning.
Signed-off-by: Thomas Fitzsimmons <fitzsim@fitzsim.org>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/drivers/mmc/bcmstb_sdhci.c b/drivers/mmc/bcmstb_sdhci.c
index 443ae8d..eef46f3 100644
--- a/drivers/mmc/bcmstb_sdhci.c
+++ b/drivers/mmc/bcmstb_sdhci.c
@@ -1,11 +1,13 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2018 Cisco Systems, Inc.
+ * (C) Copyright 2019 Synamedia
*
* Author: Thomas Fitzsimmons <fitzsim@fitzsim.org>
*/
#include <common.h>
+#include <dm.h>
#include <mach/sdhci.h>
#include <malloc.h>
#include <sdhci.h>
@@ -36,32 +38,67 @@
*/
#define BCMSTB_SDHCI_MINIMUM_CLOCK_FREQUENCY 400000
-static char *BCMSTB_SDHCI_NAME = "bcmstb-sdhci";
-
/*
* This driver has only been tested with eMMC devices; SD devices may
* not work.
*/
-int bcmstb_sdhci_init(phys_addr_t regbase)
+struct sdhci_bcmstb_plat {
+ struct mmc_config cfg;
+ struct mmc mmc;
+};
+
+static int sdhci_bcmstb_bind(struct udevice *dev)
{
- struct sdhci_host *host = NULL;
+ struct sdhci_bcmstb_plat *plat = dev_get_platdata(dev);
- host = (struct sdhci_host *)malloc(sizeof(struct sdhci_host));
- if (!host) {
- printf("%s: Failed to allocate memory\n", __func__);
- return 1;
- }
- memset(host, 0, sizeof(*host));
+ return sdhci_bind(dev, &plat->mmc, &plat->cfg);
+}
- host->name = BCMSTB_SDHCI_NAME;
- host->ioaddr = (void *)regbase;
- host->quirks = 0;
+static int sdhci_bcmstb_probe(struct udevice *dev)
+{
+ struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
+ struct sdhci_bcmstb_plat *plat = dev_get_platdata(dev);
+ struct sdhci_host *host = dev_get_priv(dev);
+ fdt_addr_t base;
+ int ret;
+
+ base = devfdt_get_addr(dev);
+ if (base == FDT_ADDR_T_NONE)
+ return -EINVAL;
- host->cfg.part_type = PART_TYPE_DOS;
+ host->name = dev->name;
+ host->ioaddr = (void *)base;
- host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
+ ret = mmc_of_parse(dev, &plat->cfg);
+ if (ret)
+ return ret;
- return add_sdhci(host,
- BCMSTB_SDHCI_MAXIMUM_CLOCK_FREQUENCY,
- BCMSTB_SDHCI_MINIMUM_CLOCK_FREQUENCY);
+ ret = sdhci_setup_cfg(&plat->cfg, host,
+ BCMSTB_SDHCI_MAXIMUM_CLOCK_FREQUENCY,
+ BCMSTB_SDHCI_MINIMUM_CLOCK_FREQUENCY);
+ if (ret)
+ return ret;
+
+ upriv->mmc = &plat->mmc;
+ host->mmc = &plat->mmc;
+ host->mmc->priv = host;
+
+ return sdhci_probe(dev);
}
+
+static const struct udevice_id sdhci_bcmstb_match[] = {
+ { .compatible = "brcm,bcm7425-sdhci" },
+ { .compatible = "brcm,sdhci-brcmstb" },
+ { }
+};
+
+U_BOOT_DRIVER(sdhci_bcmstb) = {
+ .name = "sdhci-bcmstb",
+ .id = UCLASS_MMC,
+ .of_match = sdhci_bcmstb_match,
+ .ops = &sdhci_ops,
+ .bind = sdhci_bcmstb_bind,
+ .probe = sdhci_bcmstb_probe,
+ .priv_auto_alloc_size = sizeof(struct sdhci_host),
+ .platdata_auto_alloc_size = sizeof(struct sdhci_bcmstb_plat),
+};