struct atmel_mci_priv {
struct mmc_config cfg;
struct atmel_mci *mci;
+ unsigned int initialized:1;
+ unsigned int curr_clk;
};
-static int initialized = 0;
-
/* Read Atmel MCI IP version */
static unsigned int atmel_mci_get_version(struct atmel_mci *mci)
{
}
}
-
+ if (version >= 0x500)
+ priv->curr_clk = bus_hz / (clkdiv * 2 + clkodd + 2);
+ else
+ priv->curr_clk = (bus_hz / (clkdiv + 1)) / 2;
blklen &= 0xfffc;
mr = MMCI_BF(CLKDIV, clkdiv);
if (mmc->card_caps & mmc->cfg->host_caps & MMC_MODE_HS)
writel(MMCI_BIT(HSMODE), &mci->cfg);
- udelay(50);
-
- initialized = 1;
+ priv->initialized = 1;
}
/* Return the CMDR with flags for a given command and data packet */
u32 error_flags = 0;
u32 status;
- if (!initialized) {
+ if (!priv->initialized) {
puts ("MCI not initialized!\n");
return COMM_ERR;
}
}
}
+ /*
+ * After the switch command, wait for 8 clocks before the next
+ * command
+ */
+ if (cmd->cmdidx == MMC_CMD_SWITCH)
+ udelay(8*1000000 / priv->curr_clk); /* 8 clk in us */
+
return 0;
}
cfg->ops = &atmel_mci_ops;
priv->mci = (struct atmel_mci *)regs;
+ priv->initialized = 0;
/* need to be able to pass these in on a board by board basis */
cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;