X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fmmc%2Fzynq_sdhci.c;h=b991102c2a1438d5e9cb664040b31e7578dca551;hb=35ae99467dbe9f5674b5cd6fbc9951c0aa8c8269;hp=610bef5cbaeff45c37f70031017fba83b5accb14;hpb=5b9c79a81db80c3f9e50c77477957cd803429af8;p=u-boot diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c index 610bef5cba..b991102c2a 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 * @@ -7,27 +7,79 @@ */ #include +#include +#include +#include #include #include -#include -int zynq_sdhci_init(u32 regbase) +#ifndef CONFIG_ZYNQ_SDHCI_MIN_FREQ +# define CONFIG_ZYNQ_SDHCI_MIN_FREQ 0 +#endif + +struct arasan_sdhci_plat { + struct mmc_config cfg; + struct mmc mmc; +}; + +static int arasan_sdhci_probe(struct udevice *dev) { - struct sdhci_host *host = NULL; + struct arasan_sdhci_plat *plat = dev_get_platdata(dev); + struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); + struct sdhci_host *host = dev_get_priv(dev); + int ret; - host = (struct sdhci_host *)malloc(sizeof(struct sdhci_host)); - if (!host) { - printf("zynq_sdhci_init: sdhci_host malloc fail\n"); - return 1; - } + 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->name = "zynq_sdhci"; - host->ioaddr = (void *)regbase; - host->quirks = SDHCI_QUIRK_NO_CD | SDHCI_QUIRK_WAIT_SEND_CMD; host->version = sdhci_readw(host, SDHCI_HOST_VERSION); - host->host_caps = MMC_MODE_HC; + ret = sdhci_setup_cfg(&plat->cfg, host, CONFIG_ZYNQ_SDHCI_MAX_FREQ, + CONFIG_ZYNQ_SDHCI_MIN_FREQ); + host->mmc = &plat->mmc; + if (ret) + return ret; + host->mmc->priv = host; + host->mmc->dev = dev; + upriv->mmc = host->mmc; + + return sdhci_probe(dev); +} + +static int arasan_sdhci_ofdata_to_platdata(struct udevice *dev) +{ + struct sdhci_host *host = dev_get_priv(dev); + + host->name = dev->name; + host->ioaddr = (void *)dev_get_addr(dev); - add_sdhci(host, 52000000, 52000000 >> 9); return 0; } + +static int arasan_sdhci_bind(struct udevice *dev) +{ + struct arasan_sdhci_plat *plat = dev_get_platdata(dev); + + return sdhci_bind(dev, &plat->mmc, &plat->cfg); +} + +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, + .ops = &sdhci_ops, + .bind = arasan_sdhci_bind, + .probe = arasan_sdhci_probe, + .priv_auto_alloc_size = sizeof(struct sdhci_host), + .platdata_auto_alloc_size = sizeof(struct arasan_sdhci_plat), +};