1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Based on MPC8560 ADS and arch/ppc stx_gp3 ports
4 *
5 * Maintained by Kumar Gala (see MAINTAINERS for contact information)
6 *
7 * Copyright 2008 Freescale Semiconductor Inc.
8 *
9 * Dan Malek <dan@embeddededge.com>
10 * Copyright 2004 Embedded Edge, LLC
11 *
12 * Copied from mpc8560_ads.c
13 * Copyright 2002, 2003 Motorola Inc.
14 *
15 * Ported to 2.6, Matt Porter <mporter@kernel.crashing.org>
16 * Copyright 2004-2005 MontaVista Software, Inc.
17 */
18
19#include <linux/stddef.h>
20#include <linux/kernel.h>
21#include <linux/pci.h>
22#include <linux/kdev_t.h>
23#include <linux/delay.h>
24#include <linux/seq_file.h>
25#include <linux/of.h>
26
27#include <asm/time.h>
28#include <asm/machdep.h>
29#include <asm/pci-bridge.h>
30#include <asm/mpic.h>
31#include <mm/mmu_decl.h>
32#include <asm/udbg.h>
33
34#include <sysdev/fsl_soc.h>
35#include <sysdev/fsl_pci.h>
36
37#include "mpc85xx.h"
38
39#ifdef CONFIG_CPM2
40#include <asm/cpm2.h>
41#endif /* CONFIG_CPM2 */
42
43static void __init stx_gp3_pic_init(void)
44{
45	struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN,
46			0, 256, " OpenPIC  ");
47	BUG_ON(mpic == NULL);
48	mpic_init(mpic);
49
50	mpc85xx_cpm2_pic_init();
51}
52
53/*
54 * Setup the architecture
55 */
56static void __init stx_gp3_setup_arch(void)
57{
58	if (ppc_md.progress)
59		ppc_md.progress("stx_gp3_setup_arch()", 0);
60
61	fsl_pci_assign_primary();
62
63#ifdef CONFIG_CPM2
64	cpm2_reset();
65#endif
66}
67
68static void stx_gp3_show_cpuinfo(struct seq_file *m)
69{
70	uint pvid, svid, phid1;
71
72	pvid = mfspr(SPRN_PVR);
73	svid = mfspr(SPRN_SVR);
74
75	seq_printf(m, "Vendor\t\t: RPC Electronics STx\n");
76	seq_printf(m, "PVR\t\t: 0x%x\n", pvid);
77	seq_printf(m, "SVR\t\t: 0x%x\n", svid);
78
79	/* Display cpu Pll setting */
80	phid1 = mfspr(SPRN_HID1);
81	seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
82}
83
84machine_arch_initcall(stx_gp3, mpc85xx_common_publish_devices);
85
86define_machine(stx_gp3) {
87	.name			= "STX GP3",
88	.compatible		= "stx,gp3-8560",
89	.setup_arch		= stx_gp3_setup_arch,
90	.init_IRQ		= stx_gp3_pic_init,
91	.show_cpuinfo		= stx_gp3_show_cpuinfo,
92	.get_irq		= mpic_get_irq,
93	.progress		= udbg_progress,
94};
95