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Commit 55b604ae authored by Srinivas Kandagatla's avatar Srinivas Kandagatla Committed by Ulf Hansson
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mmc: mmci: Add Qualcomm Id to amba id table 



This patch adds a fake Qualcomm ID 0x00051180 to the amba_ids, as Qualcomm
SDCC controller is pl180, but amba id registers read 0x0's.
The plan is to remove SDCC driver totally and use mmci as the main SD
controller driver for Qualcomm SOCs.

Signed-off-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 9c34b73d

drivers/mmc/host/mmci.c

+23 −0
Original line number Diff line number Diff line
@@ -190,6 +190,23 @@ static struct variant_data variant_ux500v2 = { 
	.pwrreg_nopower		= true,

};



static struct variant_data variant_qcom = {

	.fifosize		= 16 * 4,

	.fifohalfsize		= 8 * 4,

	.clkreg			= MCI_CLK_ENABLE,

	.clkreg_enable		= MCI_QCOM_CLK_FLOWENA |

				  MCI_QCOM_CLK_SELECT_IN_FBCLK,

	.clkreg_8bit_bus_enable = MCI_QCOM_CLK_WIDEBUS_8,

	.datactrl_mask_ddrmode	= MCI_QCOM_CLK_SELECT_IN_DDR_MODE,

	.data_cmd_enable	= MCI_QCOM_CSPM_DATCMD,

	.blksz_datactrl4	= true,

	.datalength_bits	= 24,

	.pwrreg_powerup		= MCI_PWR_UP,

	.f_max			= 208000000,

	.explicit_mclk_control	= true,

	.qcom_fifo		= true,

};



static int mmci_card_busy(struct mmc_host *mmc)

{

	struct mmci_host *host = mmc_priv(mmc);
@@ -1832,6 +1849,12 @@ static struct amba_id mmci_ids[] = { 
		.mask   = 0xf0ffffff,

		.data	= &variant_ux500v2,

	},

	/* Qualcomm variants */

	{

		.id     = 0x00051180,

		.mask	= 0x000fffff,

		.data	= &variant_qcom,

	},

	{ 0, 0 },

};