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add delays around 16-bit enable/disable a la the driver; w/o this

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operation on my ixp435 Cambria board is unreliable
This commit is contained in:
Sam Leffler 2008-12-19 00:56:47 +00:00
parent b4e11e4f1a
commit 656c23db6e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/projects/cambria/; revision=186307
1 changed files with 2 additions and 0 deletions
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2
sys/boot/arm/ixp425/boot2/ixp425_board.c
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@ -330,6 +330,7 @@ cfenable16(void)
val = *dskinf.cs1to;
*dskinf.cs1to = val &~ EXP_BYTE_EN;
DELAY(100);
#if 0
DPRINTF("%s: cs1 timing reg %x\n", *dskinf.cs1to, __func__);
#endif
@ -340,6 +341,7 @@ cfdisable16(void)
{
u_int32_t val;
DELAY(100);
val = *dskinf.cs1to;
*dskinf.cs1to = val | EXP_BYTE_EN;
#if 0