Fix udelay bug in vfd.c for trab board
Patch by Martin Krause, 27 Oct 2005
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@ -2,6 +2,9 @@
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Changes since U-Boot 1.1.4:
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Changes since U-Boot 1.1.4:
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======================================================================
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======================================================================
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* Fix udelay bug in vfd.c for trab board
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Patch by Martin Krause, 27 Oct 2005
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* Disable JFFS2 support for trab board
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* Disable JFFS2 support for trab board
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Patch by Martin Krause, 27 Oct 2005
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Patch by Martin Krause, 27 Oct 2005
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@ -358,6 +358,8 @@ void transfer_pic(int display, unsigned char *adr, int height, int width)
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*/
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*/
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int vfd_init_clocks (void)
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int vfd_init_clocks (void)
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{
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{
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int i;
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S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
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S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
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S3C24X0_TIMERS * const timers = S3C24X0_GetBase_TIMERS();
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S3C24X0_TIMERS * const timers = S3C24X0_GetBase_TIMERS();
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S3C24X0_LCD * const lcd = S3C24X0_GetBase_LCD();
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S3C24X0_LCD * const lcd = S3C24X0_GetBase_LCD();
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@ -367,7 +369,9 @@ int vfd_init_clocks (void)
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*/
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*/
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gpio->PCUP = (gpio->PCUP & 0xFFF0); /* activate GPC0...GPC3 pullups */
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gpio->PCUP = (gpio->PCUP & 0xFFF0); /* activate GPC0...GPC3 pullups */
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gpio->PCCON = (gpio->PCCON & 0xFFFFFF00); /* configure GPC0...GPC3 as inputs */
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gpio->PCCON = (gpio->PCCON & 0xFFFFFF00); /* configure GPC0...GPC3 as inputs */
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udelay (10); /* allow signals to settle */
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/* allow signals to settle */
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for (i=0; i<10000; i++) /* udelay isn't working yet at this point! */
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__asm("NOP");
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vfd_board_id = (~gpio->PCDAT) & 0x000F; /* read GPC0...GPC3 port pins */
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vfd_board_id = (~gpio->PCDAT) & 0x000F; /* read GPC0...GPC3 port pins */
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VFD_DISABLE; /* activate blank for the vfd */
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VFD_DISABLE; /* activate blank for the vfd */
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