mmc: sdhci: move the ADMA2 table handling into own module
There are other (non-SDHCI) controllers which supports ADMA2 descriptor
tables, namely the Freescale eSDHC. Instead of copying the code, move it
into an own module.
Signed-off-by: Michael Walle <michael@walle.cc>
diff --git a/include/sdhci.h b/include/sdhci.h
index 94fc3ed..f69d5f8 100644
--- a/include/sdhci.h
+++ b/include/sdhci.h
@@ -271,7 +271,6 @@
int (*deferred_probe)(struct sdhci_host *host);
};
-#if CONFIG_IS_ENABLED(MMC_SDHCI_ADMA)
#define ADMA_MAX_LEN 65532
#ifdef CONFIG_DMA_ADDR_T_64BIT
#define ADMA_DESC_LEN 16
@@ -302,7 +301,7 @@
u32 addr_hi;
#endif
} __packed;
-#endif
+
struct sdhci_host {
const char *name;
void *ioaddr;
@@ -334,7 +333,6 @@
dma_addr_t adma_addr;
#if CONFIG_IS_ENABLED(MMC_SDHCI_ADMA)
struct sdhci_adma_desc *adma_desc_table;
- uint desc_slot;
#endif
};
@@ -496,4 +494,8 @@
#else
#endif
+struct sdhci_adma_desc *sdhci_adma_init(void);
+void sdhci_prepare_adma_table(struct sdhci_adma_desc *table,
+ struct mmc_data *data, dma_addr_t addr);
+
#endif /* __SDHCI_HW_H */