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@@ -346,23 +346,31 @@ typedef uint32_t mfp_cfg_t;
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#define MFP_CFG_PIN(mfp_cfg) (((mfp_cfg) >> 16) & 0xffff)
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#define MFP_CFG_VAL(mfp_cfg) ((mfp_cfg) & 0xffff)
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-#define MFPR_DEFAULT (0x0000)
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+/*
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+ * MFP register defaults to
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+ * drive strength fast 3mA (010'b)
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+ * edge detection logic disabled
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+ * alternate function 0
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+ */
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+#define MFPR_DEFAULT (0x0840)
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#define MFP_CFG(pin, af) \
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((MFP_PIN_##pin << 16) | MFPR_DEFAULT | (MFP_##af))
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#define MFP_CFG_DRV(pin, af, drv) \
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- ((MFP_PIN_##pin << 16) | MFPR_DEFAULT |\
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+ ((MFP_PIN_##pin << 16) | (MFPR_DEFAULT & ~MFPR_DRV_MASK) |\
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((MFP_##drv) << 10) | (MFP_##af))
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#define MFP_CFG_LPM(pin, af, lpm) \
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- ((MFP_PIN_##pin << 16) | MFPR_DEFAULT | (MFP_##af) |\
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+ ((MFP_PIN_##pin << 16) | (MFPR_DEFAULT & ~MFPR_LPM_MASK) |\
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(((MFP_LPM_##lpm) & 0x3) << 7) |\
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(((MFP_LPM_##lpm) & 0x4) << 12) |\
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- (((MFP_LPM_##lpm) & 0x8) << 10))
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+ (((MFP_LPM_##lpm) & 0x8) << 10) |\
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+ (MFP_##af))
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#define MFP_CFG_X(pin, af, drv, lpm) \
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- ((MFP_PIN_##pin << 16) | MFPR_DEFAULT |\
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+ ((MFP_PIN_##pin << 16) |\
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+ (MFPR_DEFAULT & ~(MFPR_DRV_MASK | MFPR_LPM_MASK)) |\
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((MFP_##drv) << 10) | (MFP_##af) |\
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(((MFP_LPM_##lpm) & 0x3) << 7) |\
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(((MFP_LPM_##lpm) & 0x4) << 12) |\
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