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
stx_gp3_pic_init(void)43 static 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 */
stx_gp3_setup_arch(void)56 static 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
stx_gp3_show_cpuinfo(struct seq_file * m)68 static 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
84 machine_arch_initcall(stx_gp3, mpc85xx_common_publish_devices);
85
define_machine(stx_gp3)86 define_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