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authorPierre Bourdon <delroth@gmail.com>2019-04-11 04:56:58 +0200
committerStefan Roese <sr@denx.de>2019-04-26 07:35:38 +0200
commit4ec9dd4071cb3e7d2c0c42f2eea935edceba5b7e (patch)
tree833720a3d156d52d05b39c44532795f7315f4dfa /drivers/mmc
parent5561943ba2ce290545b99d886459bb3a41c65f2c (diff)
mmc: mv_sdhci: add driver model support
The new DM implementation currently does not support the Sheeva 88SV331xV5 specific quirk present in the legacy implementation. The legacy code is thus kept for this SoC and others not yet migrated to DM_MMC. Signed-off-by: Pierre Bourdon <delroth@gmail.com> Cc: Jaehoon Chung <jh80.chung@samsung.com> Cc: Stefan Roese <sr@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/mv_sdhci.c67
1 files changed, 66 insertions, 1 deletions
diff --git a/drivers/mmc/mv_sdhci.c b/drivers/mmc/mv_sdhci.c
index de4ae0a0e7..bf26d2e4e2 100644
--- a/drivers/mmc/mv_sdhci.c
+++ b/drivers/mmc/mv_sdhci.c
@@ -4,10 +4,13 @@
*/
#include <common.h>
+#include <dm.h>
#include <malloc.h>
#include <sdhci.h>
#include <linux/mbus.h>
+#define MVSDH_NAME "mv_sdh"
+
#define SDHCI_WINDOW_CTRL(win) (0x4080 + ((win) << 4))
#define SDHCI_WINDOW_BASE(win) (0x4084 + ((win) << 4))
@@ -36,6 +39,8 @@ static void sdhci_mvebu_mbus_config(void __iomem *base)
}
}
+#ifndef CONFIG_DM_MMC
+
#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
static struct sdhci_ops mv_ops;
@@ -63,7 +68,6 @@ static inline void mv_sdhci_writeb(struct sdhci_host *host, u8 val, int reg)
#endif /* CONFIG_SHEEVA_88SV331xV5 */
#endif /* CONFIG_MMC_SDHCI_IO_ACCESSORS */
-static char *MVSDH_NAME = "mv_sdh";
int mv_sdh_init(unsigned long regbase, u32 max_clk, u32 min_clk, u32 quirks)
{
struct sdhci_host *host = NULL;
@@ -90,3 +94,64 @@ int mv_sdh_init(unsigned long regbase, u32 max_clk, u32 min_clk, u32 quirks)
return add_sdhci(host, 0, min_clk);
}
+
+#else
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct mv_sdhci_plat {
+ struct mmc_config cfg;
+ struct mmc mmc;
+};
+
+static int mv_sdhci_probe(struct udevice *dev)
+{
+ struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
+ struct mv_sdhci_plat *plat = dev_get_platdata(dev);
+ struct sdhci_host *host = dev_get_priv(dev);
+ int ret;
+
+ host->name = MVSDH_NAME;
+ host->ioaddr = (void *)devfdt_get_addr(dev);
+ host->quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | SDHCI_QUIRK_WAIT_SEND_CMD;
+
+ ret = sdhci_setup_cfg(&plat->cfg, host, 0, 0);
+ if (ret)
+ return ret;
+
+ if (CONFIG_IS_ENABLED(ARCH_MVEBU)) {
+ /* Configure SDHCI MBUS mbus bridge windows */
+ sdhci_mvebu_mbus_config(host->ioaddr);
+ }
+
+ host->mmc = &plat->mmc;
+ host->mmc->dev = dev;
+ host->mmc->priv = host;
+ upriv->mmc = host->mmc;
+
+ return sdhci_probe(dev);
+}
+
+static int mv_sdhci_bind(struct udevice *dev)
+{
+ struct mv_sdhci_plat *plat = dev_get_platdata(dev);
+
+ return sdhci_bind(dev, &plat->mmc, &plat->cfg);
+}
+
+static const struct udevice_id mv_sdhci_ids[] = {
+ { .compatible = "marvell,armada-380-sdhci" },
+ { }
+};
+
+U_BOOT_DRIVER(mv_sdhci_drv) = {
+ .name = MVSDH_NAME,
+ .id = UCLASS_MMC,
+ .of_match = mv_sdhci_ids,
+ .bind = mv_sdhci_bind,
+ .probe = mv_sdhci_probe,
+ .ops = &sdhci_ops,
+ .priv_auto_alloc_size = sizeof(struct sdhci_host),
+ .platdata_auto_alloc_size = sizeof(struct mv_sdhci_plat),
+};
+#endif /* CONFIG_DM_MMC */