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EmbeddedPkg/DwEmmc: Adjust FIFO threshold

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Adjust FIFO threshold according to FIFO depth. Skip
the adjustment if we do not have FIFO depth info.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Acked-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
This commit is contained in:
Jun Nie
2017-07-07 17:21:37 +08:00
committed by Leif Lindholm
parent d4102f68dc
commit a58bfb37f6
4 changed files with 50 additions and 0 deletions
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6
EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmc.h
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@@ -38,7 +38,10 @@
#define DWEMMC_RINTSTS ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x044)
#define DWEMMC_STATUS ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x048)
#define DWEMMC_FIFOTH ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x04c)
#define DWEMMC_TCBCNT ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x05c)
#define DWEMMC_TBBCNT ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x060)
#define DWEMMC_DEBNCE ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x064)
#define DWEMMC_HCON ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x070)
#define DWEMMC_UHSREG ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x074)
#define DWEMMC_BMOD ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x080)
#define DWEMMC_DBADDR ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x088)
@@ -47,6 +50,7 @@
#define DWEMMC_DSCADDR ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x094)
#define DWEMMC_BUFADDR ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0x098)
#define DWEMMC_CARDTHRCTL ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0X100)
#define DWEMMC_DATA ((UINT32)PcdGet32 (PcdDwEmmcDxeBaseAddress) + 0X200)
#define CMD_UPDATE_CLK 0x80202000
#define CMD_START_BIT (1 << 31)
@@ -124,4 +128,6 @@
#define DWEMMC_CARD_RD_THR(x) ((x & 0xfff) << 16)
#define DWEMMC_CARD_RD_THR_EN (1 << 0)
#define DWEMMC_GET_HDATA_WIDTH(x) (((x) >> 7) & 0x7)
#endif // __DWEMMC_H__