2005-09-02 00:42:52 +00:00
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/***************************************************************************/
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/*
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* linux/arch/m68knommu/platform/523x/config.c
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*
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2011-03-31 01:57:33 +00:00
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* Sub-architcture dependent initialization code for the Freescale
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2005-09-02 00:42:52 +00:00
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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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2008-02-01 07:34:15 +00:00
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#include <linux/io.h>
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2005-09-02 00:42:52 +00:00
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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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2008-02-01 07:34:15 +00:00
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#include <asm/mcfuart.h>
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2005-09-02 00:42:52 +00:00
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/***************************************************************************/
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2011-12-24 02:56:10 +00:00
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#ifdef CONFIG_SPI_COLDFIRE_QSPI
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2010-01-22 20:43:03 +00:00
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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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2011-12-24 02:56:10 +00:00
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#endif /* CONFIG_SPI_COLDFIRE_QSPI */
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2005-09-02 00:42:52 +00:00
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2008-02-01 07:34:15 +00:00
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/***************************************************************************/
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2009-08-12 06:14:43 +00:00
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static void __init m523x_fec_init(void)
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{
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u16 par;
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u8 v;
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/* Set multi-function pins to ethernet use */
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par = readw(MCF_IPSBAR + 0x100082);
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writew(par | 0xf00, MCF_IPSBAR + 0x100082);
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v = readb(MCF_IPSBAR + 0x100078);
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writeb(v | 0xc0, MCF_IPSBAR + 0x100078);
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}
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/***************************************************************************/
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2009-04-30 12:58:35 +00:00
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static void m523x_cpu_reset(void)
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{
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local_irq_disable();
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__raw_writeb(MCF_RCR_SWRESET, MCF_IPSBAR + MCF_RCR);
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}
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2005-09-02 00:42:52 +00:00
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/***************************************************************************/
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2008-02-01 07:34:15 +00:00
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void __init config_BSP(char *commandp, int size)
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2005-09-02 00:42:52 +00:00
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{
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2009-04-30 12:58:35 +00:00
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mach_reset = m523x_cpu_reset;
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2012-01-23 05:34:58 +00:00
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mach_sched_init = hw_timer_init;
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2005-09-02 00:42:52 +00:00
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}
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/***************************************************************************/
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2008-02-01 07:34:15 +00:00
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static int __init init_BSP(void)
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{
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2011-12-24 02:56:10 +00:00
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#ifdef CONFIG_SPI_COLDFIRE_QSPI
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2010-01-22 20:43:03 +00:00
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m523x_qspi_init();
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#endif
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2008-02-01 07:34:15 +00:00
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return 0;
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}
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arch_initcall(init_BSP);
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/***************************************************************************/
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