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authorSimon Glass <sjg@chromium.org>2017-04-10 00:38:21 (GMT)
committerBin Meng <bmeng.cn@gmail.com>2017-05-17 09:13:06 (GMT)
commitddb3ac3c716f56cead695444e65a7ba7b0946555 (patch)
tree16e5e4c4e0e8c6fe501891a6e70f18414d911a0b /drivers/mmc
parent13c9d8482528b466a8c7b42be8baa33bafb08b0b (diff)
downloadu-boot-ddb3ac3c716f56cead695444e65a7ba7b0946555.tar.xz
x86: Convert MMC to driver model
Convert the pci_mmc driver over to driver model and migrate all x86 boards that use it. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/pci_mmc.c86
1 files changed, 60 insertions, 26 deletions
diff --git a/drivers/mmc/pci_mmc.c b/drivers/mmc/pci_mmc.c
index e39b476..6db8977 100644
--- a/drivers/mmc/pci_mmc.c
+++ b/drivers/mmc/pci_mmc.c
@@ -6,37 +6,71 @@
*/
#include <common.h>
+#include <dm.h>
#include <errno.h>
#include <malloc.h>
+#include <mapmem.h>
#include <sdhci.h>
#include <asm/pci.h>
-int pci_mmc_init(const char *name, struct pci_device_id *mmc_supported)
+struct pci_mmc_plat {
+ struct mmc_config cfg;
+ struct mmc mmc;
+};
+
+struct pci_mmc_priv {
+ struct sdhci_host host;
+ void *base;
+};
+
+static int pci_mmc_probe(struct udevice *dev)
{
- struct sdhci_host *mmc_host;
- u32 iobase;
+ struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
+ struct pci_mmc_plat *plat = dev_get_platdata(dev);
+ struct pci_mmc_priv *priv = dev_get_priv(dev);
+ struct sdhci_host *host = &priv->host;
+ u32 ioaddr;
int ret;
- int i;
-
- for (i = 0; ; i++) {
- struct udevice *dev;
-
- ret = pci_find_device_id(mmc_supported, i, &dev);
- if (ret)
- return ret;
- mmc_host = malloc(sizeof(struct sdhci_host));
- if (!mmc_host)
- return -ENOMEM;
-
- mmc_host->name = name;
- dm_pci_read_config32(dev, PCI_BASE_ADDRESS_0, &iobase);
- mmc_host->ioaddr = (void *)(ulong)iobase;
- mmc_host->quirks = 0;
- mmc_host->max_clk = 0;
- ret = add_sdhci(mmc_host, 0, 0);
- if (ret)
- return ret;
- }
-
- return 0;
+
+ dm_pci_read_config32(dev, PCI_BASE_ADDRESS_0, &ioaddr);
+ host->ioaddr = map_sysmem(ioaddr, 0);
+ host->name = dev->name;
+ ret = sdhci_setup_cfg(&plat->cfg, host, 0, 0);
+ if (ret)
+ return ret;
+ host->mmc = &plat->mmc;
+ host->mmc->priv = &priv->host;
+ host->mmc->dev = dev;
+ upriv->mmc = host->mmc;
+
+ return sdhci_probe(dev);
}
+
+static int pci_mmc_bind(struct udevice *dev)
+{
+ struct pci_mmc_plat *plat = dev_get_platdata(dev);
+
+ return sdhci_bind(dev, &plat->mmc, &plat->cfg);
+}
+
+U_BOOT_DRIVER(pci_mmc) = {
+ .name = "pci_mmc",
+ .id = UCLASS_MMC,
+ .bind = pci_mmc_bind,
+ .probe = pci_mmc_probe,
+ .ops = &sdhci_ops,
+ .priv_auto_alloc_size = sizeof(struct pci_mmc_priv),
+ .platdata_auto_alloc_size = sizeof(struct pci_mmc_plat),
+};
+
+static struct pci_device_id mmc_supported[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT_SDIO) },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT_SD) },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT_EMMC2) },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_QRK_SDIO) },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TCF_SDIO_0) },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TCF_SDIO_1) },
+ {},
+};
+
+U_BOOT_PCI_DEVICE(pci_mmc, mmc_supported);