1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * SBC8641D board specific routines
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright 2008 Wind River Systems Inc.
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * By Paul Gortmaker (see MAINTAINERS for contact information)
8*4882a593Smuzhiyun *
9*4882a593Smuzhiyun * Based largely on the 8641 HPCN support by Freescale Semiconductor Inc.
10*4882a593Smuzhiyun */
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun #include <linux/stddef.h>
13*4882a593Smuzhiyun #include <linux/kernel.h>
14*4882a593Smuzhiyun #include <linux/pci.h>
15*4882a593Smuzhiyun #include <linux/kdev_t.h>
16*4882a593Smuzhiyun #include <linux/delay.h>
17*4882a593Smuzhiyun #include <linux/seq_file.h>
18*4882a593Smuzhiyun #include <linux/of_platform.h>
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun #include <asm/time.h>
21*4882a593Smuzhiyun #include <asm/machdep.h>
22*4882a593Smuzhiyun #include <asm/pci-bridge.h>
23*4882a593Smuzhiyun #include <asm/prom.h>
24*4882a593Smuzhiyun #include <mm/mmu_decl.h>
25*4882a593Smuzhiyun #include <asm/udbg.h>
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun #include <asm/mpic.h>
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun #include <sysdev/fsl_pci.h>
30*4882a593Smuzhiyun #include <sysdev/fsl_soc.h>
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun #include "mpc86xx.h"
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun static void __init
sbc8641_setup_arch(void)35*4882a593Smuzhiyun sbc8641_setup_arch(void)
36*4882a593Smuzhiyun {
37*4882a593Smuzhiyun if (ppc_md.progress)
38*4882a593Smuzhiyun ppc_md.progress("sbc8641_setup_arch()", 0);
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun printk("SBC8641 board from Wind River\n");
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun #ifdef CONFIG_SMP
43*4882a593Smuzhiyun mpc86xx_smp_init();
44*4882a593Smuzhiyun #endif
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun fsl_pci_assign_primary();
47*4882a593Smuzhiyun }
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun static void
sbc8641_show_cpuinfo(struct seq_file * m)51*4882a593Smuzhiyun sbc8641_show_cpuinfo(struct seq_file *m)
52*4882a593Smuzhiyun {
53*4882a593Smuzhiyun uint svid = mfspr(SPRN_SVR);
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun seq_printf(m, "Vendor\t\t: Wind River Systems\n");
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun seq_printf(m, "SVR\t\t: 0x%x\n", svid);
58*4882a593Smuzhiyun }
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun /*
62*4882a593Smuzhiyun * Called very early, device-tree isn't unflattened
63*4882a593Smuzhiyun */
sbc8641_probe(void)64*4882a593Smuzhiyun static int __init sbc8641_probe(void)
65*4882a593Smuzhiyun {
66*4882a593Smuzhiyun if (of_machine_is_compatible("wind,sbc8641"))
67*4882a593Smuzhiyun return 1; /* Looks good */
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun return 0;
70*4882a593Smuzhiyun }
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun machine_arch_initcall(sbc8641, mpc86xx_common_publish_devices);
73*4882a593Smuzhiyun
define_machine(sbc8641)74*4882a593Smuzhiyun define_machine(sbc8641) {
75*4882a593Smuzhiyun .name = "SBC8641D",
76*4882a593Smuzhiyun .probe = sbc8641_probe,
77*4882a593Smuzhiyun .setup_arch = sbc8641_setup_arch,
78*4882a593Smuzhiyun .init_IRQ = mpc86xx_init_irq,
79*4882a593Smuzhiyun .show_cpuinfo = sbc8641_show_cpuinfo,
80*4882a593Smuzhiyun .get_irq = mpic_get_irq,
81*4882a593Smuzhiyun .time_init = mpc86xx_time_init,
82*4882a593Smuzhiyun .calibrate_decr = generic_calibrate_decr,
83*4882a593Smuzhiyun .progress = udbg_progress,
84*4882a593Smuzhiyun #ifdef CONFIG_PCI
85*4882a593Smuzhiyun .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
86*4882a593Smuzhiyun #endif
87*4882a593Smuzhiyun };
88