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| author | Wolfgang Denk <wd@denx.de> | 2011-11-27 16:03:21 +0100 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2011-11-27 16:03:21 +0100 |
| commit | 99258c34103efad3395c679256a221731d010c4b (patch) | |
| tree | 19ad64086e1551cd8f94eb9cdca0eb1335def970 | |
| parent | 1de55ef105f9e00ea313c91679fed6560c63f447 (diff) | |
| parent | afd5932b2c27c750ba7dbe39125916a45d2e1c13 (diff) | |
| download | u-boot-imx-99258c34103efad3395c679256a221731d010c4b.zip u-boot-imx-99258c34103efad3395c679256a221731d010c4b.tar.gz u-boot-imx-99258c34103efad3395c679256a221731d010c4b.tar.bz2 | |
Merge branch 'master' of git://git.denx.de/u-boot-mmc
* 'master' of git://git.denx.de/u-boot-mmc:
Revert "mmc: retry the cmd8 to meet 74 clocks requirement in the spec"
mmc: mv_sdhci: Fix host version read for Armada100
| -rw-r--r-- | drivers/mmc/mmc.c | 16 | ||||
| -rw-r--r-- | drivers/mmc/mv_sdhci.c | 5 | ||||
| -rw-r--r-- | include/sdhci.h | 1 |
3 files changed, 7 insertions, 15 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 37ce6e8..21665ec 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -1190,7 +1190,7 @@ block_dev_desc_t *mmc_get_dev(int dev) int mmc_init(struct mmc *mmc) { - int err, retry = 3; + int err; if (mmc->has_init) return 0; @@ -1213,19 +1213,7 @@ int mmc_init(struct mmc *mmc) mmc->part_num = 0; /* Test for SD version 2 */ - /* - * retry here for 3 times, as for some controller it has dynamic - * clock gating, and only toggle out clk when the first cmd0 send - * out, while some card strictly obey the 74 clocks rule, the interval - * may not be sufficient between the cmd0 and this cmd8, retry to - * fulfil the clock requirement - */ - do { - err = mmc_send_if_cond(mmc); - } while (--retry > 0 && err); - - if (err) - return err; + err = mmc_send_if_cond(mmc); /* Now try to get the SD card's operating condition */ err = sd_send_op_cond(mmc); diff --git a/drivers/mmc/mv_sdhci.c b/drivers/mmc/mv_sdhci.c index f92caeb..1501974 100644 --- a/drivers/mmc/mv_sdhci.c +++ b/drivers/mmc/mv_sdhci.c @@ -48,7 +48,10 @@ int mv_sdh_init(u32 regbase, u32 max_clk, u32 min_clk, u32 quirks) mv_ops.write_b = mv_sdhci_writeb; host->ops = &mv_ops; #endif - host->version = sdhci_readw(host, SDHCI_HOST_VERSION); + if (quirks & SDHCI_QUIRK_REG32_RW) + host->version = sdhci_readl(host, SDHCI_HOST_VERSION - 2) >> 16; + else + host->version = sdhci_readw(host, SDHCI_HOST_VERSION); add_sdhci(host, max_clk, min_clk); return 0; } diff --git a/include/sdhci.h b/include/sdhci.h index 0690938..800f9d9 100644 --- a/include/sdhci.h +++ b/include/sdhci.h @@ -215,6 +215,7 @@ * quirks */ #define SDHCI_QUIRK_32BIT_DMA_ADDR (1 << 0) +#define SDHCI_QUIRK_REG32_RW (1 << 1) /* to make gcc happy */ struct sdhci_host; |