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authorUsama Arif <usama.arif@arm.com>2021-10-19 15:49:48 +0100
committerJaehoon Chung <jh80.chung@samsung.com>2021-10-29 18:22:32 +0900
commitc95b0297e95613fc68b1d92118ee64720d142f8c (patch)
tree9d1b3a9dddc72198f5f823135d60bed7b358faf3 /drivers/mmc/arm_pl180_mmci.h
parent44645f87de513468a8c8082d057704df0495d7a4 (diff)
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mmc: arm_pl180_mmci: Enable HWFC for specific versions of MCI
There are 4 registers (PERIPHID{0-3}) that contain the ID of MCI. For MMCs' with peripheral id 0x02041180 and 0x03041180, H/W flow control needs to be enabled for multi block writes (MMC CMD 18). Signed-off-by: Usama Arif <usama.arif@arm.com> Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Diffstat (limited to 'drivers/mmc/arm_pl180_mmci.h')
-rw-r--r--drivers/mmc/arm_pl180_mmci.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mmc/arm_pl180_mmci.h b/drivers/mmc/arm_pl180_mmci.h
index 15c29beadb..fca15910a8 100644
--- a/drivers/mmc/arm_pl180_mmci.h
+++ b/drivers/mmc/arm_pl180_mmci.h
@@ -43,6 +43,7 @@
#define SDI_CLKCR_CLKEN 0x00000100
#define SDI_CLKCR_PWRSAV 0x00000200
#define SDI_CLKCR_BYPASS 0x00000400
+#define SDI_CLKCR_HWFCEN 0x00001000
#define SDI_CLKCR_WIDBUS_MASK 0x00001800
#define SDI_CLKCR_WIDBUS_1 0x00000000
#define SDI_CLKCR_WIDBUS_4 0x00000800