mmc: sdhci-of-dwcmshc: implement specific set_uhs_signaling

#include "sdhci-pltfm.h"

/* DWCMSHC specific Mode Select value */

#define DWCMSHC_CTRL_HS400		0x7

#define BOUNDARY_OK(addr, len) \

	((addr | (SZ_128M - 1)) == ((addr + len - 1) | (SZ_128M - 1)))

	sdhci_adma_write_desc(host, desc, addr, len, cmd);

}

static void dwcmshc_set_uhs_signaling(struct sdhci_host *host,

				      unsigned int timing)

{

	u16 ctrl_2;

	ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2);

	/* Select Bus Speed Mode for host */

	ctrl_2 &= ~SDHCI_CTRL_UHS_MASK;

	if ((timing == MMC_TIMING_MMC_HS200) ||

	    (timing == MMC_TIMING_UHS_SDR104))

		ctrl_2 |= SDHCI_CTRL_UHS_SDR104;

	else if (timing == MMC_TIMING_UHS_SDR12)

		ctrl_2 |= SDHCI_CTRL_UHS_SDR12;

	else if ((timing == MMC_TIMING_UHS_SDR25) ||

		 (timing == MMC_TIMING_MMC_HS))

		ctrl_2 |= SDHCI_CTRL_UHS_SDR25;

	else if (timing == MMC_TIMING_UHS_SDR50)

		ctrl_2 |= SDHCI_CTRL_UHS_SDR50;

	else if ((timing == MMC_TIMING_UHS_DDR50) ||

		 (timing == MMC_TIMING_MMC_DDR52))

		ctrl_2 |= SDHCI_CTRL_UHS_DDR50;

	else if (timing == MMC_TIMING_MMC_HS400)

		ctrl_2 |= DWCMSHC_CTRL_HS400;

	sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2);

}

static const struct sdhci_ops sdhci_dwcmshc_ops = {

	.set_clock		= sdhci_set_clock,

	.set_bus_width		= sdhci_set_bus_width,

	.set_uhs_signaling	= sdhci_set_uhs_signaling,

	.set_uhs_signaling	= dwcmshc_set_uhs_signaling,

	.get_max_clock		= sdhci_pltfm_clk_get_max_clock,

	.reset			= sdhci_reset,

	.adma_write_desc	= dwcmshc_adma_write_desc,