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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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4bf648fa98
All these separate directories for each ColdFire CPU SoC varient seems like overkill. The majority of them only contain a single small config file. Move these into the common ColdFire code directory. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
89 lines
2.2 KiB
C
89 lines
2.2 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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#include <asm/mcfgpio.h>
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/***************************************************************************/
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struct mcf_gpio_chip mcf_gpio_chips[] = {
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MCFGPS(PIRQ, 1, 7, MCFEPORT_EPDDR, MCFEPORT_EPDR, MCFEPORT_EPPDR),
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MCFGPF(ADDR, 13, 3),
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MCFGPF(DATAH, 16, 8),
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MCFGPF(DATAL, 24, 8),
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MCFGPF(BUSCTL, 32, 8),
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MCFGPF(BS, 40, 4),
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MCFGPF(CS, 49, 7),
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MCFGPF(SDRAM, 56, 6),
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MCFGPF(FECI2C, 64, 4),
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MCFGPF(UARTH, 72, 2),
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MCFGPF(UARTL, 80, 8),
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MCFGPF(QSPI, 88, 5),
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MCFGPF(TIMER, 96, 8),
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MCFGPF(ETPU, 104, 3),
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};
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unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips);
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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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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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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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