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Commit 02a73437 authored by Linus Walleij's avatar Linus Walleij
Browse files

mach-ux500: correct MMC/SDI parameters 



We cannot clock the MMCI blocks more than 50 MHz. A bug prevented
us from seeing the effect of actually driving them to 100 MHz,
which indeed resulted failure, on the external SD card.

Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent f727a05a

arch/arm/mach-ux500/board-mop500-sdi.c

+6 −4
Original line number Diff line number Diff line
@@ -86,8 +86,10 @@ static struct stedma40_chan_cfg mop500_sdi0_dma_cfg_tx = { 
static struct mmci_platform_data mop500_sdi0_data = {

	.vdd_handler	= mop500_sdi0_vdd_handler,

	.ocr_mask	= MMC_VDD_29_30,

	.f_max		= 100000000,

	.capabilities	= MMC_CAP_4_BIT_DATA,

	.f_max		= 50000000,

	.capabilities	= MMC_CAP_4_BIT_DATA |

				MMC_CAP_SD_HIGHSPEED |

				MMC_CAP_MMC_HIGHSPEED,

	.gpio_wp	= -1,

#ifdef CONFIG_STE_DMA40

	.dma_filter	= stedma40_filter,
@@ -155,7 +157,7 @@ static struct stedma40_chan_cfg mop500_sdi2_dma_cfg_tx = { 


static struct mmci_platform_data mop500_sdi2_data = {

	.ocr_mask	= MMC_VDD_165_195,

	.f_max		= 100000000,

	.f_max		= 50000000,

	.capabilities	= MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,

	.gpio_cd	= -1,

	.gpio_wp	= -1,
@@ -192,7 +194,7 @@ static struct stedma40_chan_cfg mop500_sdi4_dma_cfg_tx = { 


static struct mmci_platform_data mop500_sdi4_data = {

	.ocr_mask	= MMC_VDD_29_30,

	.f_max		= 100000000,

	.f_max		= 50000000,

	.capabilities	= MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA |

			  MMC_CAP_MMC_HIGHSPEED,

	.gpio_cd	= -1,