Add support for the Freescale P1010 including errata for this CPU, SoC frequency calculation and GPIO settings. The mpc85xx configuration options file is re-ordered to facilitate board option selection. Signed-off-by: Renaud Barbier <renaud.barbier@ge.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
/*
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* Copyright 2013 GE Intelligent Platforms, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* Minimal GPIO support.
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*/
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#include <common.h>
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#include <errno.h>
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#include <asm/io.h>
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#include <mach/gpio.h>
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#include <mach/immap_85xx.h>
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#ifdef CONFIG_MPC8544
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/* Enable all GPIO output pins */
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void fsl_enable_gpiout(void)
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{
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void __iomem *gpiocr = IOMEM(MPC85xx_GUTS_ADDR + MPC85xx_GPIOCR_OFFSET);
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out_be32(gpiocr, in_be32(gpiocr) | MPC85xx_GPIOCR_GPOUT);
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}
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void gpio_set_value(unsigned gpio, int val)
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{
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void __iomem *gpout = IOMEM(MPC85xx_GUTS_ADDR + MPC85xx_GPOUTDR_OFFSET);
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int gpoutdr;
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if (gpio >= 8)
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return;
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gpoutdr = in_be32(gpout);
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if (val)
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gpoutdr |= MPC85xx_GPIOBIT(gpio);
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else
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gpoutdr &= ~MPC85xx_GPIOBIT(gpio);
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out_be32(gpout, gpoutdr);
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}
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#else
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int gpio_direction_output(unsigned gpio, int val)
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{
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void __iomem *gpior = IOMEM(MPC85xx_GPIO_ADDR);
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if (gpio >= 16)
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return -EINVAL;
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if (val)
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setbits_be32(gpior + MPC85xx_GPIO_GPDAT_OFFSET,
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1 << (32 - gpio));
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else
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clrbits_be32(gpior + MPC85xx_GPIO_GPDAT_OFFSET,
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1 << (32 - gpio));
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setbits_be32(gpior + MPC85xx_GPIO_GPDIR_OFFSET, 1 << (32 - gpio));
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return 0;
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}
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#endif
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