From e0a46554c3459dc7cabf149c135e79e8df70ae14 Mon Sep 17 00:00:00 2001 From: Stefan Roese <sr@denx.de> Date: Thu, 12 Oct 2006 19:43:29 +0200 Subject: [PATCH] * 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 --- CHANGELOG | 5 +++++ cpu/ppc4xx/cpu_init.c | 14 ++++++++++---- 2 files changed, 15 insertions(+), 4 deletions(-) diff --git a/CHANGELOG b/CHANGELOG index 166cfa3a4e..87a87461d9 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -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 diff --git a/cpu/ppc4xx/cpu_init.c b/cpu/ppc4xx/cpu_init.c index b27567fa4d..def46f15ca 100644 --- a/cpu/ppc4xx/cpu_init.c +++ b/cpu/ppc4xx/cpu_init.c @@ -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 -- GitLab