X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fmmc%2Fzynq_sdhci.c;h=039ec16e91fe4b94775773a8d705fdb82de159e4;hb=161b1fe745394f34c4aa506edc964089785919f6;hp=fdce2c2c10ec85c4a291532f927eae4a0b5627c9;hpb=e4b87e5b1d026bd010e2ba3abbf89561e8320287;p=u-boot diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c index fdce2c2c10..039ec16e91 100644 --- a/drivers/mmc/zynq_sdhci.c +++ b/drivers/mmc/zynq_sdhci.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2013 Inc. + * (C) Copyright 2013 - 2015 Xilinx, Inc. * * Xilinx Zynq SD Host Controller Interface * @@ -7,57 +7,58 @@ */ #include +#include #include #include #include #include -#include -int zynq_sdhci_init(u32 regbase) -{ - struct sdhci_host *host = NULL; +#ifndef CONFIG_ZYNQ_SDHCI_MIN_FREQ +# define CONFIG_ZYNQ_SDHCI_MIN_FREQ 0 +#endif - host = (struct sdhci_host *)malloc(sizeof(struct sdhci_host)); - if (!host) { - printf("zynq_sdhci_init: sdhci_host malloc fail\n"); - return 1; - } +static int arasan_sdhci_probe(struct udevice *dev) +{ + struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); + struct sdhci_host *host = dev_get_priv(dev); - host->name = "zynq_sdhci"; - host->ioaddr = (void *)regbase; - host->quirks = SDHCI_QUIRK_NO_CD | SDHCI_QUIRK_WAIT_SEND_CMD | + host->quirks = SDHCI_QUIRK_WAIT_SEND_CMD | SDHCI_QUIRK_BROKEN_R1B; + +#ifdef CONFIG_ZYNQ_HISPD_BROKEN + host->quirks |= SDHCI_QUIRK_NO_HISPD_BIT; +#endif + host->version = sdhci_readw(host, SDHCI_HOST_VERSION); - host->host_caps = MMC_MODE_HC; + add_sdhci(host, CONFIG_ZYNQ_SDHCI_MAX_FREQ, + CONFIG_ZYNQ_SDHCI_MIN_FREQ); + + upriv->mmc = host->mmc; - add_sdhci(host, 52000000, 52000000 >> 9); return 0; } -#ifdef CONFIG_OF_CONTROL -int zynq_sdhci_of_init(const void *blob) +static int arasan_sdhci_ofdata_to_platdata(struct udevice *dev) { - int offset = 0; - u32 ret = 0; - u32 reg; - - debug("ZYNQ SDHCI: Initialization\n"); - - do { - offset = fdt_node_offset_by_compatible(blob, offset, - "arasan,sdhci-8.9a"); - if (offset != -1) { - reg = fdtdec_get_addr(blob, offset, "reg"); - if (reg != FDT_ADDR_T_NONE) { - ret |= zynq_sdhci_init(reg); - } else { - debug("ZYNQ SDHCI: Can't get base address\n"); - return -1; - } - } - } while (offset != -1); - - return ret; + struct sdhci_host *host = dev_get_priv(dev); + + host->name = (char *)dev->name; + host->ioaddr = (void *)dev_get_addr(dev); + + return 0; } -#endif + +static const struct udevice_id arasan_sdhci_ids[] = { + { .compatible = "arasan,sdhci-8.9a" }, + { } +}; + +U_BOOT_DRIVER(arasan_sdhci_drv) = { + .name = "arasan_sdhci", + .id = UCLASS_MMC, + .of_match = arasan_sdhci_ids, + .ofdata_to_platdata = arasan_sdhci_ofdata_to_platdata, + .probe = arasan_sdhci_probe, + .priv_auto_alloc_size = sizeof(struct sdhci_host), +};