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authorTom Rini2019-05-04 20:02:16 -0400
committerTom Rini2019-05-04 20:02:16 -0400
commitc9baea6d0e96eb4bf55061d516e91e22236ed198 (patch)
tree095af9f57048d2bb4b80c3dbc573aa7f26dbb3e3 /include
parent2dc426418f275a934178df41905fabe6f7cfac95 (diff)
parent37cb626da25d0d895079c85866d0c2030cd98438 (diff)
Merge tag 'mmc-2019-5-3' of https://github.com/MrVan/u-boot
Diffstat (limited to 'include')
-rw-r--r--include/sdhci.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/include/sdhci.h b/include/sdhci.h
index bef37df982e..eee493ab5f5 100644
--- a/include/sdhci.h
+++ b/include/sdhci.h
@@ -186,6 +186,7 @@
/* 55-57 reserved */
#define SDHCI_ADMA_ADDRESS 0x58
+#define SDHCI_ADMA_ADDRESS_HI 0x5c
/* 60-FB reserved */
@@ -252,6 +253,38 @@ struct sdhci_ops {
void (*set_delay)(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
+#else
+#define ADMA_DESC_LEN 8
+#endif
+#define ADMA_TABLE_NO_ENTRIES (CONFIG_SYS_MMC_MAX_BLK_COUNT * \
+ MMC_MAX_BLOCK_LEN) / ADMA_MAX_LEN
+
+#define ADMA_TABLE_SZ (ADMA_TABLE_NO_ENTRIES * ADMA_DESC_LEN)
+
+/* Decriptor table defines */
+#define ADMA_DESC_ATTR_VALID BIT(0)
+#define ADMA_DESC_ATTR_END BIT(1)
+#define ADMA_DESC_ATTR_INT BIT(2)
+#define ADMA_DESC_ATTR_ACT1 BIT(4)
+#define ADMA_DESC_ATTR_ACT2 BIT(5)
+
+#define ADMA_DESC_TRANSFER_DATA ADMA_DESC_ATTR_ACT2
+#define ADMA_DESC_LINK_DESC (ADMA_DESC_ATTR_ACT1 | ADMA_DESC_ATTR_ACT2)
+
+struct sdhci_adma_desc {
+ u8 attr;
+ u8 reserved;
+ u16 len;
+ u32 addr_lo;
+#ifdef CONFIG_DMA_ADDR_T_64BIT
+ u32 addr_hi;
+#endif
+} __packed;
+#endif
struct sdhci_host {
const char *name;
void *ioaddr;
@@ -272,6 +305,17 @@ struct sdhci_host {
uint voltages;
struct mmc_config cfg;
+ dma_addr_t start_addr;
+ int flags;
+#define USE_SDMA (0x1 << 0)
+#define USE_ADMA (0x1 << 1)
+#define USE_ADMA64 (0x1 << 2)
+#define USE_DMA (USE_SDMA | USE_ADMA | USE_ADMA64)
+ dma_addr_t adma_addr;
+#if CONFIG_IS_ENABLED(MMC_SDHCI_ADMA)
+ struct sdhci_adma_desc *adma_desc_table;
+ uint desc_slot;
+#endif
};
#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS