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- AM335x requires updated soft-reset logic too

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This commit is contained in:
Oleksandr Tymoshenko 2013-07-08 04:27:03 +00:00
parent 55d78cc78b
commit f1fa19dfe7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=253023
1 changed files with 7 additions and 4 deletions
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11
sys/arm/ti/ti_mmchs.c
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@ -213,10 +213,13 @@ ti_mmchs_reset_controller(struct ti_mmchs_softc *sc, uint32_t bit)
sysctl = ti_mmchs_read_4(sc, MMCHS_SYSCTL);
ti_mmchs_write_4(sc, MMCHS_SYSCTL, sysctl | bit);
if ((ti_chip() == CHIP_OMAP_4) && (ti_revision() > OMAP4430_REV_ES1_0)) {
/* OMAP4 ES2 and greater has an updated reset logic.
* Monitor a 0->1 transition first
*/
/*
* AM335x and OMAP4 ES2 and greater has an updated reset logic.
* Monitor a 0->1 transition first
*/
if ((ti_chip() == CHIP_AM335X) ||
((ti_chip() == CHIP_OMAP_4) && (ti_revision() > OMAP4430_REV_ES1_0))) {
attempts = 10000;
while (!(ti_mmchs_read_4(sc, MMCHS_SYSCTL) & bit) && (attempts-- > 0))
continue;