mmc: Split mmc struct, rework mmc initialization (v2)

[people/ms/u-boot.git] / drivers / mmc / arm_pl180_mmci.c

diff --git a/drivers/mmc/arm_pl180_mmci.c b/drivers/mmc/arm_pl180_mmci.c
index 5a30590673cde025ec635b31b20b837c22b019df..5ef7ff7ff2b7fa584c36d64e8f9f530f43cd7425 100644 (file)
--- a/drivers/mmc/arm_pl180_mmci.c
+++ b/drivers/mmc/arm_pl180_mmci.c
@@ -287,9 +287,9 @@ static void host_set_ios(struct mmc *dev)
                u32 clkdiv = 0;
                u32 tmp_clock;
 
-               if (dev->clock >= dev->f_max) {
+               if (dev->clock >= dev->cfg->f_max) {
                        clkdiv = 0;
-                       dev->clock = dev->f_max;
+                       dev->clock = dev->cfg->f_max;
                } else {
                        clkdiv = (host->clock_in / dev->clock) - 2;
                }
@@ -348,16 +348,9 @@ static const struct mmc_ops arm_pl180_mmci_ops = {
  */
 int arm_pl180_mmci_init(struct pl180_mmc_host *host)
 {
-       struct mmc *dev;
+       struct mmc *mmc;
        u32 sdi_u32;
 
-       dev = malloc(sizeof(struct mmc));
-       if (!dev)
-               return -ENOMEM;
-
-       memset(dev, 0, sizeof(struct mmc));
-       dev->priv = host;
-
        writel(host->pwr_init, &host->base->power);
        writel(host->clkdiv_init, &host->base->clock);
        udelay(CLK_CHANGE_DELAY);
@@ -365,15 +358,24 @@ int arm_pl180_mmci_init(struct pl180_mmc_host *host)
        /* Disable mmc interrupts */
        sdi_u32 = readl(&host->base->mask0) & ~SDI_MASK0_MASK;
        writel(sdi_u32, &host->base->mask0);
-       dev->name = host->name;
-       dev->ops = &arm_pl180_mmci_ops;
-       dev->host_caps = host->caps;
-       dev->voltages = host->voltages;
-       dev->f_min = host->clock_min;
-       dev->f_max = host->clock_max;
-       dev->b_max = host->b_max;
-       mmc_register(dev);
-       debug("registered mmc interface number is:%d\n", dev->block_dev.dev);
+
+       host->cfg.name = host->name;
+       host->cfg.ops = &arm_pl180_mmci_ops;
+       /* TODO remove the duplicates */
+       host->cfg.host_caps = host->caps;
+       host->cfg.voltages = host->voltages;
+       host->cfg.f_min = host->clock_min;
+       host->cfg.f_max = host->clock_max;
+       if (host->b_max != 0)
+               host->cfg.b_max = host->b_max;
+       else
+               host->cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
+
+       mmc = mmc_create(&host->cfg, host);
+       if (mmc == NULL)
+               return -1;
+
+       debug("registered mmc interface number is:%d\n", mmc->block_dev.dev);
 
        return 0;
 }