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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/powerpc/platforms/85xx/stx_gp3.c
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// SPDX-License-Identifier: GPL-2.0-or-later

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/*

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 * Based on MPC8560 ADS and arch/ppc stx_gp3 ports

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 *

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 * Maintained by Kumar Gala (see MAINTAINERS for contact information)

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 *

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 * Copyright 2008 Freescale Semiconductor Inc.

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 *

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 * Dan Malek <[email protected]>

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 * Copyright 2004 Embedded Edge, LLC

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 *

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 * Copied from mpc8560_ads.c

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 * Copyright 2002, 2003 Motorola Inc.

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 *

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 * Ported to 2.6, Matt Porter <[email protected]>

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 * Copyright 2004-2005 MontaVista Software, Inc.

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 */

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#include <linux/stddef.h>

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#include <linux/kernel.h>

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#include <linux/pci.h>

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#include <linux/kdev_t.h>

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#include <linux/delay.h>

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#include <linux/seq_file.h>

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#include <linux/of.h>

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#include <asm/time.h>

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#include <asm/machdep.h>

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#include <asm/pci-bridge.h>

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#include <asm/mpic.h>

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#include <mm/mmu_decl.h>

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#include <asm/udbg.h>

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#include <sysdev/fsl_soc.h>

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#include <sysdev/fsl_pci.h>

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#include "mpc85xx.h"

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#ifdef CONFIG_CPM2

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#include <asm/cpm2.h>

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#endif /* CONFIG_CPM2 */

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static void __init stx_gp3_pic_init(void)

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{

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	struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN,

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			0, 256, " OpenPIC  ");

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	BUG_ON(mpic == NULL);

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	mpic_init(mpic);

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	mpc85xx_cpm2_pic_init();

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}

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/*

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 * Setup the architecture

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 */

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static void __init stx_gp3_setup_arch(void)

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{

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	if (ppc_md.progress)

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		ppc_md.progress("stx_gp3_setup_arch()", 0);

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	fsl_pci_assign_primary();

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#ifdef CONFIG_CPM2

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	cpm2_reset();

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#endif

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}

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static void stx_gp3_show_cpuinfo(struct seq_file *m)

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{

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	uint pvid, svid, phid1;

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	pvid = mfspr(SPRN_PVR);

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	svid = mfspr(SPRN_SVR);

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	seq_printf(m, "Vendor\t\t: RPC Electronics STx\n");

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	seq_printf(m, "PVR\t\t: 0x%x\n", pvid);

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	seq_printf(m, "SVR\t\t: 0x%x\n", svid);

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	/* Display cpu Pll setting */

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	phid1 = mfspr(SPRN_HID1);

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	seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));

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}

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machine_arch_initcall(stx_gp3, mpc85xx_common_publish_devices);

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define_machine(stx_gp3) {

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	.name			= "STX GP3",

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	.compatible		= "stx,gp3-8560",

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	.setup_arch		= stx_gp3_setup_arch,

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	.init_IRQ		= stx_gp3_pic_init,

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	.show_cpuinfo		= stx_gp3_show_cpuinfo,

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	.get_irq		= mpic_get_irq,

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	.progress		= udbg_progress,

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};

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