98d9696b38
The multi-function pin setup code for the FEC ethernet module is using just plain wrong. Looks like it was cut-and-pasted from other init code. It has hard coded register addresses that are incorrect for the 523x, and it is manipulating bits that don't make sense. Add proper register definitions for the Pin Assignment registers of the 532x, and then use them to fix the setup code for the FEC hardware module. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
/***************************************************************************/
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/*
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* linux/arch/m68knommu/platform/523x/config.c
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*
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* Sub-architcture dependent initialization code for the Freescale
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* 523x CPUs.
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*
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* Copyright (C) 1999-2005, Greg Ungerer (gerg@snapgear.com)
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* Copyright (C) 2001-2003, SnapGear Inc. (www.snapgear.com)
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*/
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/***************************************************************************/
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#include <linux/kernel.h>
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#include <linux/param.h>
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#include <linux/init.h>
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#include <linux/io.h>
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#include <asm/machdep.h>
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#include <asm/coldfire.h>
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#include <asm/mcfsim.h>
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/***************************************************************************/
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#if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI)
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static void __init m523x_qspi_init(void)
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{
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u16 par;
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/* setup QSPS pins for QSPI with gpio CS control */
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writeb(0x1f, MCFGPIO_PAR_QSPI);
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/* and CS2 & CS3 as gpio */
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par = readw(MCFGPIO_PAR_TIMER);
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par &= 0x3f3f;
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writew(par, MCFGPIO_PAR_TIMER);
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}
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#endif /* IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) */
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/***************************************************************************/
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static void __init m523x_fec_init(void)
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{
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/* Set multi-function pins to ethernet use */
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writeb(readb(MCFGPIO_PAR_FECI2C) | 0xf0, MCFGPIO_PAR_FECI2C);
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}
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/***************************************************************************/
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void __init config_BSP(char *commandp, int size)
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{
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mach_sched_init = hw_timer_init;
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m523x_fec_init();
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#if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI)
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m523x_qspi_init();
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#endif
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}
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/***************************************************************************/
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