From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/9] mx23: Use XFER_COUNT field in HW_SSP_CTRL0 register in MMC PIO mode
Date: Tue, 22 Jan 2013 02:45:44 +0100 [thread overview]
Message-ID: <201301220245.44366.marex@denx.de> (raw)
In-Reply-To: <1358819250-31625-3-git-send-email-otavio@ossystems.com.br>
Dear Otavio Salvador,
> From: Marek Vasut <marex@denx.de>
>
> Signed-off-by: Marek Vasut <marex@denx.de>
> Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
> ---
> drivers/mmc/mxsmmc.c | 24 +++++++++++++++++++++---
> 1 file changed, 21 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/mmc/mxsmmc.c b/drivers/mmc/mxsmmc.c
> index 0c4cd54..4b178be 100644
> --- a/drivers/mmc/mxsmmc.c
> +++ b/drivers/mmc/mxsmmc.c
> @@ -211,14 +211,32 @@ mxsmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
> struct mmc_data *data) }
>
> ctrl0 |= SSP_CTRL0_DATA_XFER;
> +
> + reg = data->blocksize * data->blocks;
> +#if defined(CONFIG_MX23)
> + if (reg & ~SSP_CTRL0_XFER_COUNT_MASK) {
> + printf("MMC%d: Transfer too large (%i bytes)!\n",
> + mmc->block_dev.dev, reg);
> + return -EINVAL;
> + }
> +
> + ctrl0 |= reg & SSP_CTRL0_XFER_COUNT_MASK;
> +
> + reg = readl(&ssp_regs->hw_ssp_cmd0);
> + reg &= ~0xfff00;
> + reg |= (data->blocks - 1) << 8;
> + reg |= (ffs(data->blocksize) - 1) << 16;
This is using some random hard-coded offsets, I told you numerous times I will
NAK this.
Sorry.
Best regards,
Marek Vasut
next prev parent reply other threads:[~2013-01-22 1:45 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-22 1:47 [U-Boot] [PATCH 0/9] iMX23 MMC support and environment addition Otavio Salvador
2013-01-22 1:47 ` [U-Boot] [PATCH 1/9] mx23: Add SSP registers map Otavio Salvador
2013-01-22 1:47 ` [U-Boot] [PATCH 2/9] mx23: Use XFER_COUNT field in HW_SSP_CTRL0 register in MMC PIO mode Otavio Salvador
2013-01-22 1:45 ` Marek Vasut [this message]
2013-01-22 1:53 ` Otavio Salvador
2013-01-22 2:01 ` Marek Vasut
2013-01-22 1:47 ` [U-Boot] [PATCH 3/9] mx23: Fix transfer size setting for SPI Otavio Salvador
2013-01-22 1:46 ` Marek Vasut
2013-01-22 1:55 ` Otavio Salvador
2013-01-22 2:00 ` Marek Vasut
2013-01-24 18:14 ` Marek Vasut
2013-01-22 1:47 ` [U-Boot] [PATCH 4/9] mx23evk: Add initial board support Otavio Salvador
2013-01-22 1:46 ` Marek Vasut
2013-01-22 2:02 ` Otavio Salvador
2013-01-22 2:16 ` Marek Vasut
2013-01-22 2:30 ` Fabio Estevam
2013-01-22 2:42 ` Marek Vasut
2013-01-22 10:05 ` Otavio Salvador
2013-01-22 1:47 ` [U-Boot] [PATCH 5/9] mx23_olinuxino: Add MMC support Otavio Salvador
2013-01-22 1:47 ` Marek Vasut
2013-01-22 1:58 ` Otavio Salvador
2013-01-22 1:47 ` [U-Boot] [PATCH 6/9] mx23_olinuxino: Skip MMC Card detection Otavio Salvador
2013-01-22 1:48 ` Marek Vasut
2013-01-22 1:58 ` Otavio Salvador
2013-01-22 1:59 ` Marek Vasut
2013-01-22 1:47 ` [U-Boot] [PATCH 7/9] mx23_olinuxino: Add default environment Otavio Salvador
2013-01-22 1:49 ` Marek Vasut
2013-01-22 2:00 ` Otavio Salvador
2013-01-22 2:34 ` Fabio Estevam
2013-01-22 1:47 ` [U-Boot] [PATCH 8/9] mxs: Fix MMC reset to avoid write errors and timeout in iMX23 Otavio Salvador
2013-01-22 1:49 ` Marek Vasut
2013-01-22 2:03 ` Otavio Salvador
2013-01-22 2:15 ` Marek Vasut
2013-01-22 1:47 ` [U-Boot] [PATCH 9/9] mx23: Use PIO mode support for MMC Otavio Salvador
2013-01-22 1:50 ` Marek Vasut
2013-01-22 1:56 ` Otavio Salvador
2013-01-22 1:59 ` Marek Vasut
2013-01-23 9:04 ` Stefano Babic
2013-01-23 11:05 ` Otavio Salvador
2013-01-23 11:26 ` Marek Vasut
2013-01-23 11:39 ` Stefano Babic
2013-01-23 11:48 ` Marek Vasut
2013-01-23 12:12 ` Otavio Salvador
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