diff options
Diffstat (limited to 'drivers/mmc')
-rw-r--r-- | drivers/mmc/Makefile | 1 | ||||
-rw-r--r-- | drivers/mmc/mmc.c | 46 | ||||
-rw-r--r-- | drivers/mmc/spl_mmc.c | 17 | ||||
-rw-r--r-- | drivers/mmc/zynq_sdhci.c | 40 |
4 files changed, 84 insertions, 20 deletions
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile index 1d6faa2a924..7cd4281733b 100644 --- a/drivers/mmc/Makefile +++ b/drivers/mmc/Makefile @@ -49,6 +49,7 @@ COBJS-$(CONFIG_SH_MMCIF) += sh_mmcif.o COBJS-$(CONFIG_TEGRA_MMC) += tegra_mmc.o COBJS-$(CONFIG_DWMMC) += dw_mmc.o COBJS-$(CONFIG_EXYNOS_DWMMC) += exynos_dw_mmc.o +COBJS-$(CONFIG_ZYNQ_SDHCI) += zynq_sdhci.o COBJS := $(COBJS-y) SRCS := $(COBJS:.o=.c) diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index d732581eb8d..2590f1bcce5 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -601,7 +601,7 @@ static int mmc_send_ext_csd(struct mmc *mmc, u8 *ext_csd) data.dest = (char *)ext_csd; data.blocks = 1; - data.blocksize = 512; + data.blocksize = MMC_MAX_BLOCK_LEN; data.flags = MMC_DATA_READ; err = mmc_send_cmd(mmc, &cmd, &data); @@ -634,7 +634,7 @@ static int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value) static int mmc_change_freq(struct mmc *mmc) { - ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, 512); + ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, MMC_MAX_BLOCK_LEN); char cardtype; int err; @@ -784,6 +784,8 @@ retry_scr: break; case 2: mmc->version = SD_VERSION_2; + if ((mmc->scr[0] >> 15) & 0x1) + mmc->version = SD_VERSION_3; break; default: mmc->version = SD_VERSION_1_0; @@ -897,8 +899,8 @@ static int mmc_startup(struct mmc *mmc) uint mult, freq; u64 cmult, csize, capacity; struct mmc_cmd cmd; - ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, 512); - ALLOC_CACHE_ALIGN_BUFFER(u8, test_csd, 512); + ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, MMC_MAX_BLOCK_LEN); + ALLOC_CACHE_ALIGN_BUFFER(u8, test_csd, MMC_MAX_BLOCK_LEN); int timeout = 1000; #ifdef CONFIG_MMC_SPI_CRC_ON @@ -1014,11 +1016,11 @@ static int mmc_startup(struct mmc *mmc) mmc->capacity = (csize + 1) << (cmult + 2); mmc->capacity *= mmc->read_bl_len; - if (mmc->read_bl_len > 512) - mmc->read_bl_len = 512; + if (mmc->read_bl_len > MMC_MAX_BLOCK_LEN) + mmc->read_bl_len = MMC_MAX_BLOCK_LEN; - if (mmc->write_bl_len > 512) - mmc->write_bl_len = 512; + if (mmc->write_bl_len > MMC_MAX_BLOCK_LEN) + mmc->write_bl_len = MMC_MAX_BLOCK_LEN; /* Select the card, and put it into Transfer Mode */ if (!mmc_host_is_spi(mmc)) { /* cmd not supported in spi */ @@ -1049,20 +1051,39 @@ static int mmc_startup(struct mmc *mmc) | ext_csd[EXT_CSD_SEC_CNT + 1] << 8 | ext_csd[EXT_CSD_SEC_CNT + 2] << 16 | ext_csd[EXT_CSD_SEC_CNT + 3] << 24; - capacity *= 512; + capacity *= MMC_MAX_BLOCK_LEN; if ((capacity >> 20) > 2 * 1024) mmc->capacity = capacity; } + switch (ext_csd[EXT_CSD_REV]) { + case 1: + mmc->version = MMC_VERSION_4_1; + break; + case 2: + mmc->version = MMC_VERSION_4_2; + break; + case 3: + mmc->version = MMC_VERSION_4_3; + break; + case 5: + mmc->version = MMC_VERSION_4_41; + break; + case 6: + mmc->version = MMC_VERSION_4_5; + break; + } + /* * Check whether GROUP_DEF is set, if yes, read out * group size from ext_csd directly, or calculate * the group size from the csd value. */ - if (ext_csd[EXT_CSD_ERASE_GROUP_DEF]) + if (ext_csd[EXT_CSD_ERASE_GROUP_DEF]) { mmc->erase_grp_size = - ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] * 512 * 1024; - else { + ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] * + MMC_MAX_BLOCK_LEN * 1024; + } else { int erase_gsz, erase_gmul; erase_gsz = (mmc->csd[2] & 0x00007c00) >> 10; erase_gmul = (mmc->csd[2] & 0x000003e0) >> 5; @@ -1182,6 +1203,7 @@ static int mmc_startup(struct mmc *mmc) mmc->block_dev.lun = 0; mmc->block_dev.type = 0; mmc->block_dev.blksz = mmc->read_bl_len; + mmc->block_dev.log2blksz = LOG2(mmc->block_dev.blksz); mmc->block_dev.lba = lldiv(mmc->capacity, mmc->read_bl_len); sprintf(mmc->block_dev.vendor, "Man %06x Snr %04x%04x", mmc->cid[0] >> 24, (mmc->cid[2] & 0xffff), diff --git a/drivers/mmc/spl_mmc.c b/drivers/mmc/spl_mmc.c index 753c6a014a6..7efdcb88b73 100644 --- a/drivers/mmc/spl_mmc.c +++ b/drivers/mmc/spl_mmc.c @@ -34,8 +34,9 @@ DECLARE_GLOBAL_DATA_PTR; static void mmc_load_image_raw(struct mmc *mmc) { - u32 image_size_sectors, err; - const struct image_header *header; + unsigned long err; + u32 image_size_sectors; + struct image_header *header; header = (struct image_header *)(CONFIG_SYS_TEXT_BASE - sizeof(struct image_header)); @@ -43,9 +44,9 @@ static void mmc_load_image_raw(struct mmc *mmc) /* read image header to find the image size & load address */ err = mmc->block_dev.block_read(0, CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR, 1, - (void *)header); + header); - if (err <= 0) + if (err == 0) goto end; spl_parse_image_header(header); @@ -60,8 +61,8 @@ static void mmc_load_image_raw(struct mmc *mmc) image_size_sectors, (void *)spl_image.load_addr); end: - if (err <= 0) { - printf("spl: mmc blk read err - %d\n", err); + if (err == 0) { + printf("spl: mmc blk read err - %lu\n", err); hang(); } } @@ -69,7 +70,7 @@ end: #ifdef CONFIG_SPL_FAT_SUPPORT static void mmc_load_image_fat(struct mmc *mmc) { - s32 err; + int err; struct image_header *header; header = (struct image_header *)(CONFIG_SYS_TEXT_BASE - @@ -83,7 +84,7 @@ static void mmc_load_image_fat(struct mmc *mmc) } err = file_fat_read(CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME, - (u8 *)header, sizeof(struct image_header)); + header, sizeof(struct image_header)); if (err <= 0) goto end; diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c new file mode 100644 index 00000000000..9e37af45fc6 --- /dev/null +++ b/drivers/mmc/zynq_sdhci.c @@ -0,0 +1,40 @@ +/* + * (C) Copyright 2013 Inc. + * + * Xilinx Zynq SD Host Controller Interface + * + * This program is free software; you can redistribute it and/or modify it under + * the terms of the GNU General Public License version 2 as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <common.h> +#include <malloc.h> +#include <sdhci.h> +#include <asm/arch/sys_proto.h> + +int zynq_sdhci_init(u32 regbase) +{ + struct sdhci_host *host = NULL; + + host = (struct sdhci_host *)malloc(sizeof(struct sdhci_host)); + if (!host) { + printf("zynq_sdhci_init: sdhci_host malloc fail\n"); + return 1; + } + + 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; + + add_sdhci(host, 52000000, 52000000 >> 9); + return 0; +} |