blob: 6f4939b6309e2efa7780f7e09c7f716c2281243a [file] [log] [blame]
Kumar Gala77e03a22008-01-23 23:42:44 -06001/*
2 * Based on MPC8560 ADS and arch/ppc stx_gp3 ports
3 *
4 * Maintained by Kumar Gala (see MAINTAINERS for contact information)
5 *
6 * Copyright 2008 Freescale Semiconductor Inc.
7 *
8 * Dan Malek <dan@embeddededge.com>
9 * Copyright 2004 Embedded Edge, LLC
10 *
11 * Copied from mpc8560_ads.c
12 * Copyright 2002, 2003 Motorola Inc.
13 *
14 * Ported to 2.6, Matt Porter <mporter@kernel.crashing.org>
15 * Copyright 2004-2005 MontaVista Software, Inc.
16 *
17 * This program is free software; you can redistribute it and/or modify it
18 * under the terms of the GNU General Public License as published by the
19 * Free Software Foundation; either version 2 of the License, or (at your
20 * option) any later version.
21 */
22
23#include <linux/stddef.h>
24#include <linux/kernel.h>
25#include <linux/pci.h>
26#include <linux/kdev_t.h>
27#include <linux/delay.h>
28#include <linux/seq_file.h>
29#include <linux/of_platform.h>
30
Kumar Gala77e03a22008-01-23 23:42:44 -060031#include <asm/time.h>
32#include <asm/machdep.h>
33#include <asm/pci-bridge.h>
34#include <asm/mpic.h>
35#include <asm/prom.h>
36#include <mm/mmu_decl.h>
37#include <asm/udbg.h>
38
39#include <sysdev/fsl_soc.h>
40#include <sysdev/fsl_pci.h>
41
Dmitry Eremin-Solenikov543a07b2011-11-17 21:56:16 +040042#include "mpc85xx.h"
43
Kumar Gala77e03a22008-01-23 23:42:44 -060044#ifdef CONFIG_CPM2
45#include <asm/cpm2.h>
Kumar Gala77e03a22008-01-23 23:42:44 -060046#endif /* CONFIG_CPM2 */
47
48static void __init stx_gp3_pic_init(void)
49{
Kyle Moffette55d7f72011-12-22 10:19:14 +000050 struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN,
Kumar Gala77e03a22008-01-23 23:42:44 -060051 0, 256, " OpenPIC ");
52 BUG_ON(mpic == NULL);
Kumar Gala77e03a22008-01-23 23:42:44 -060053 mpic_init(mpic);
54
Dmitry Eremin-Solenikov543a07b2011-11-17 21:56:16 +040055 mpc85xx_cpm2_pic_init();
Kumar Gala77e03a22008-01-23 23:42:44 -060056}
57
58/*
59 * Setup the architecture
60 */
61static void __init stx_gp3_setup_arch(void)
62{
Kumar Gala77e03a22008-01-23 23:42:44 -060063 if (ppc_md.progress)
64 ppc_md.progress("stx_gp3_setup_arch()", 0);
65
Jia Hongtao905e75c2012-08-28 15:44:08 +080066 fsl_pci_assign_primary();
67
Kumar Gala77e03a22008-01-23 23:42:44 -060068#ifdef CONFIG_CPM2
69 cpm2_reset();
70#endif
Kumar Gala77e03a22008-01-23 23:42:44 -060071}
72
73static void stx_gp3_show_cpuinfo(struct seq_file *m)
74{
75 uint pvid, svid, phid1;
Kumar Gala77e03a22008-01-23 23:42:44 -060076
77 pvid = mfspr(SPRN_PVR);
78 svid = mfspr(SPRN_SVR);
79
Frans Pop8354be92010-02-06 07:47:20 +000080 seq_printf(m, "Vendor\t\t: RPC Electronics STx\n");
Kumar Gala77e03a22008-01-23 23:42:44 -060081 seq_printf(m, "PVR\t\t: 0x%x\n", pvid);
82 seq_printf(m, "SVR\t\t: 0x%x\n", svid);
83
84 /* Display cpu Pll setting */
85 phid1 = mfspr(SPRN_HID1);
86 seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
Kumar Gala77e03a22008-01-23 23:42:44 -060087}
88
Jia Hongtao905e75c2012-08-28 15:44:08 +080089machine_arch_initcall(stx_gp3, mpc85xx_common_publish_devices);
Kumar Gala77e03a22008-01-23 23:42:44 -060090
91/*
92 * Called very early, device-tree isn't unflattened
93 */
94static int __init stx_gp3_probe(void)
95{
96 unsigned long root = of_get_flat_dt_root();
97
98 return of_flat_dt_is_compatible(root, "stx,gp3-8560");
99}
100
101define_machine(stx_gp3) {
102 .name = "STX GP3",
103 .probe = stx_gp3_probe,
104 .setup_arch = stx_gp3_setup_arch,
105 .init_IRQ = stx_gp3_pic_init,
106 .show_cpuinfo = stx_gp3_show_cpuinfo,
107 .get_irq = mpic_get_irq,
108 .restart = fsl_rstcr_restart,
109 .calibrate_decr = generic_calibrate_decr,
110 .progress = udbg_progress,
111};