Merge tag 'efi-2019-10-rc1' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi

[platform/kernel/u-boot.git] / include / sdhci.h

diff --git a/include/sdhci.h b/include/sdhci.h
index c66ec6c..eee493a 100644 (file)
--- 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;
@@ -275,6 +308,14 @@ struct sdhci_host {
        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