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* PPC405EP: Add CFG_GPIO0_OR, CFG_GPIO0_ODR to setup GPIO completely.

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- Add configuration of Open Drain GPIO Output selection
  - Add configuration of initial value of GPIO output pins
Patch by Tolunay Orkun, 07 Apr 2006
This commit is contained in:
Stefan Roese 2006-10-12 19:43:29 +02:00
parent 87621bc247
commit e0a46554c3
2 changed files with 15 additions and 4 deletions
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5
CHANGELOG
View file

@ -2,6 +2,11 @@
Changes since U-Boot 1.1.4:
======================================================================
* PPC405EP: Add CFG_GPIO0_OR, CFG_GPIO0_ODR to setup GPIO completely.
- Add configuration of Open Drain GPIO Output selection
- Add configuration of initial value of GPIO output pins
Patch by Tolunay Orkun, 07 Apr 2006
* Fix spelling; minor code cleanup.
* Fix JFFS2 compilation problem

14
cpu/ppc4xx/cpu_init.c
View file

@ -226,13 +226,19 @@ cpu_init_f (void)
/*
* GPIO0 setup (select GPIO or alternate function)
*/
out32(GPIO0_OSRH, CFG_GPIO0_OSRH); /* output select */
#if defined(CFG_GPIO0_OR)
out32(GPIO0_OR, CFG_GPIO0_OR); /* set initial state of output pins */
#endif
#if defined(CFG_GPIO0_ODR)
out32(GPIO0_ODR, CFG_GPIO0_ODR); /* open-drain select */
#endif
out32(GPIO0_OSRH, CFG_GPIO0_OSRH); /* output select */
out32(GPIO0_OSRL, CFG_GPIO0_OSRL);
out32(GPIO0_ISR1H, CFG_GPIO0_ISR1H); /* input select */
out32(GPIO0_ISR1H, CFG_GPIO0_ISR1H); /* input select */
out32(GPIO0_ISR1L, CFG_GPIO0_ISR1L);
out32(GPIO0_TSRH, CFG_GPIO0_TSRH); /* three-state select */
out32(GPIO0_TSRH, CFG_GPIO0_TSRH); /* three-state select */
out32(GPIO0_TSRL, CFG_GPIO0_TSRL);
out32(GPIO0_TCR, CFG_GPIO0_TCR); /* enable output driver for outputs */
out32(GPIO0_TCR, CFG_GPIO0_TCR); /* enable output driver for outputs */
/*
* Set EMAC noise filter bits