From 02dff37bfab8390393dd22371549cdfd9c93c546 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Sun, 3 Jun 2018 18:02:09 +1000 Subject: Don't write GPIO data right before clocking if using same reg Signed-off-by: Benjamin Herrenschmidt --- cf-code/cf-fsi-fw.S | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/cf-code/cf-fsi-fw.S b/cf-code/cf-fsi-fw.S index 8beeac9..cbf381c 100644 --- a/cf-code/cf-fsi-fw.S +++ b/cf-code/cf-fsi-fw.S @@ -144,7 +144,10 @@ bra 99f 98: bclr.l #DATA_GPIO_BIT,%DDAT trace #TR_CLKOBIT0 -99: move.l %DDAT,%a4@(0) +99: +#if DATA_GPIO_REG != CLOCK_GPIO_REG + move.l %DDAT,%a4@(0) +#endif clock_toggle .endm @@ -153,7 +156,9 @@ trace #TR_CLKZ trace \reg bset.l #DATA_GPIO_BIT,%DDAT +#if DATA_GPIO_REG != CLOCK_GPIO_REG move.l %DDAT,%a4@(0) +#endif 99: clock_toggle subq.l #1,\reg bne 99b -- cgit v1.2.1