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Commit 2a9d6c80 authored by Patrice Chotard's avatar Patrice Chotard Committed by Ulf Hansson
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mmc: mmci: Add STM32 variant 



STM32F4 and STM32F7 MCUs has a SDIO controller that looks like
an ARM PL810.
This patch adds the STM32 variant so that mmci driver supports it.

Signed-off-by: default avatarAndrea Merello <andrea.merello@gmail.com>
Signed-off-by: default avatarPatrice Chotard <patrice.chotard@st.com>
Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent f9bb304c

drivers/mmc/host/mmci.c

+22 −0
Original line number Diff line number Diff line
@@ -244,6 +244,23 @@ static struct variant_data variant_ux500v2 = { 
	.opendrain		= MCI_OD,

};



static struct variant_data variant_stm32 = {

	.fifosize		= 32 * 4,

	.fifohalfsize		= 8 * 4,

	.clkreg			= MCI_CLK_ENABLE,

	.clkreg_enable		= MCI_ST_UX500_HWFCEN,

	.clkreg_8bit_bus_enable = MCI_ST_8BIT_BUS,

	.clkreg_neg_edge_enable	= MCI_ST_UX500_NEG_EDGE,

	.datalength_bits	= 24,

	.datactrl_mask_sdio	= MCI_DPSM_ST_SDIOEN,

	.st_sdio		= true,

	.st_clkdiv		= true,

	.pwrreg_powerup		= MCI_PWR_ON,

	.f_max			= 48000000,

	.pwrreg_clkgate		= true,

	.pwrreg_nopower		= true,

};



static struct variant_data variant_qcom = {

	.fifosize		= 16 * 4,

	.fifohalfsize		= 8 * 4,
@@ -2021,6 +2038,11 @@ static const struct amba_id mmci_ids[] = { 
		.mask   = 0xf0ffffff,

		.data	= &variant_ux500v2,

	},

	{

		.id     = 0x00880180,

		.mask   = 0x00ffffff,

		.data	= &variant_stm32,

	},

	/* Qualcomm variants */

	{

		.id     = 0x00051180,