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https://github.com/brain-hackers/u-boot-brain
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c4d660d4d0
At present if U-Boot proper uses driver model for MMC, then SPL has to also. While this is desirable, it places a significant barrier to moving to driver model in some cases. For example, with a space-constrained SPL it may be necessary to enable CONFIG_SPL_OF_PLATDATA which involves adjusting some drivers. Add new SPL versions of the options for DM_MMC, DM_MMC_OPS and BLK. By default these follow their non-SPL versions, but this can be changed by boards which need it. Signed-off-by: Simon Glass <sjg@chromium.org>
139 lines
3.3 KiB
C
139 lines
3.3 KiB
C
/*
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* Copyright 2008,2010 Freescale Semiconductor, Inc
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* Andy Fleming
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*
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* Based (loosely) on the Linux code
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _MMC_PRIVATE_H_
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#define _MMC_PRIVATE_H_
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#include <mmc.h>
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extern int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
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struct mmc_data *data);
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extern int mmc_send_status(struct mmc *mmc, int timeout);
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extern int mmc_set_blocklen(struct mmc *mmc, int len);
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#ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
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void mmc_adapter_card_type_ident(void);
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#endif
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#if CONFIG_IS_ENABLED(BLK)
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ulong mmc_bread(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
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void *dst);
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#else
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ulong mmc_bread(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
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void *dst);
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#endif
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#if !(defined(CONFIG_SPL_BUILD) && !defined(CONFIG_SPL_SAVEENV))
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#if CONFIG_IS_ENABLED(BLK)
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ulong mmc_bwrite(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
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const void *src);
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ulong mmc_berase(struct udevice *dev, lbaint_t start, lbaint_t blkcnt);
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#else
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ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
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const void *src);
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ulong mmc_berase(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt);
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#endif
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#else /* CONFIG_SPL_BUILD and CONFIG_SPL_SAVEENV is not defined */
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/* declare dummies to reduce code size. */
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#if CONFIG_IS_ENABLED(BLK)
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static inline unsigned long mmc_berase(struct udevice *dev,
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lbaint_t start, lbaint_t blkcnt)
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{
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return 0;
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}
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static inline ulong mmc_bwrite(struct udevice *dev, lbaint_t start,
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lbaint_t blkcnt, const void *src)
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{
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return 0;
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}
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#else
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static inline unsigned long mmc_berase(struct blk_desc *block_dev,
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lbaint_t start, lbaint_t blkcnt)
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{
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return 0;
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}
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static inline ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start,
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lbaint_t blkcnt, const void *src)
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{
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return 0;
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}
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#endif
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#endif /* CONFIG_SPL_BUILD */
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#ifdef CONFIG_MMC_TRACE
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void mmmc_trace_before_send(struct mmc *mmc, struct mmc_cmd *cmd);
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void mmmc_trace_after_send(struct mmc *mmc, struct mmc_cmd *cmd, int ret);
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void mmc_trace_state(struct mmc *mmc, struct mmc_cmd *cmd);
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#else
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static inline void mmmc_trace_before_send(struct mmc *mmc, struct mmc_cmd *cmd)
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{
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}
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static inline void mmmc_trace_after_send(struct mmc *mmc, struct mmc_cmd *cmd,
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int ret)
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{
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}
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static inline void mmc_trace_state(struct mmc *mmc, struct mmc_cmd *cmd)
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{
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}
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#endif
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/**
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* mmc_get_next_devnum() - Get the next available MMC device number
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*
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* @return next available device number (0 = first), or -ve on error
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*/
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int mmc_get_next_devnum(void);
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/**
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* mmc_do_preinit() - Get an MMC device ready for use
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*/
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void mmc_do_preinit(void);
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/**
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* mmc_list_init() - Set up the list of MMC devices
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*/
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void mmc_list_init(void);
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/**
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* mmc_list_add() - Add a new MMC device to the list of devices
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*
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* @mmc: Device to add
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*/
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void mmc_list_add(struct mmc *mmc);
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/**
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* mmc_switch_part() - Switch to a new MMC hardware partition
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*
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* @mmc: MMC device
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* @part_num: Hardware partition number
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* @return 0 if OK, -ve on error
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*/
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int mmc_switch_part(struct mmc *mmc, unsigned int part_num);
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/**
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* mmc_switch() - Issue and MMC switch mode command
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*
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* @mmc: MMC device
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* @set: Unused
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* @index: Cmdarg index
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* @value: Cmdarg value
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* @return 0 if OK, -ve on error
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*/
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int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value);
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#endif /* _MMC_PRIVATE_H_ */
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