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https://github.com/ARM-software/arm-trusted-firmware.git
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3d0f30bb54
There are some issues with synopsys MMC driver: - CMD8 should not expect data (for SD) - ACMD51 should expect data (Send SCR for SD) - dw_prepare should not dictate size to be MMC_BLOCK_SIZE, block size is now handled in the dw_prepare function - after the CMD completes, when doing dw_read, we need to invalidate cache and wait for the data transfer to complete - Need to set FIFO threshold, otherwise DMA might never get the interrupt to read or write Signed-off-by: Tien Hock, Loh <tien.hock.loh@intel.com>
24 lines
492 B
C
24 lines
492 B
C
/*
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* Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef DW_MMC_H
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#define DW_MMC_H
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#include <drivers/mmc.h>
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typedef struct dw_mmc_params {
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uintptr_t reg_base;
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uintptr_t desc_base;
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size_t desc_size;
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int clk_rate;
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int bus_width;
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unsigned int flags;
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enum mmc_device_type mmc_dev_type;
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} dw_mmc_params_t;
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void dw_mmc_init(dw_mmc_params_t *params, struct mmc_device_info *info);
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#endif /* DW_MMC_H */
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