3 * Should apply for QDS platform of B4860 and it's personalities.
4 * viz B4860/B4420/B4220QDS
6 * Copyright 2012 Freescale Semiconductor Inc.
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
14 #include <linux/kernel.h>
15 #include <linux/pci.h>
16 #include <linux/kdev_t.h>
17 #include <linux/delay.h>
18 #include <linux/interrupt.h>
19 #include <linux/phy.h>
22 #include <asm/machdep.h>
23 #include <asm/pci-bridge.h>
24 #include <mm/mmu_decl.h>
29 #include <linux/of_platform.h>
30 #include <sysdev/fsl_soc.h>
31 #include <sysdev/fsl_pci.h>
32 #include <asm/ehv_pic.h>
34 #include "corenet_ds.h"
37 * Called very early, device-tree isn't unflattened
39 static int __init b4_qds_probe(void)
41 unsigned long root = of_get_flat_dt_root();
43 extern struct smp_ops_t smp_85xx_ops;
46 if ((of_flat_dt_is_compatible(root, "fsl,B4860QDS")) ||
47 (of_flat_dt_is_compatible(root, "fsl,B4420QDS")) ||
48 (of_flat_dt_is_compatible(root, "fsl,B4220QDS")))
51 /* Check if we're running under the Freescale hypervisor */
52 if ((of_flat_dt_is_compatible(root, "fsl,B4860QDS-hv")) ||
53 (of_flat_dt_is_compatible(root, "fsl,B4420QDS-hv")) ||
54 (of_flat_dt_is_compatible(root, "fsl,B4220QDS-hv"))) {
55 ppc_md.init_IRQ = ehv_pic_init;
56 ppc_md.get_irq = ehv_pic_get_irq;
57 ppc_md.restart = fsl_hv_restart;
58 ppc_md.power_off = fsl_hv_halt;
59 ppc_md.halt = fsl_hv_halt;
62 * Disable the timebase sync operations because we can't write
63 * to the timebase registers under the hypervisor.
65 smp_85xx_ops.give_timebase = NULL;
66 smp_85xx_ops.take_timebase = NULL;
74 define_machine(b4_qds) {
76 .probe = b4_qds_probe,
77 .setup_arch = corenet_ds_setup_arch,
78 .init_IRQ = corenet_ds_pic_init,
80 .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
82 /* coreint doesn't play nice with lazy EE, use legacy mpic for now */
84 .get_irq = mpic_get_irq,
86 .get_irq = mpic_get_coreint_irq,
88 .restart = fsl_rstcr_restart,
89 .calibrate_decr = generic_calibrate_decr,
90 .progress = udbg_progress,
92 .power_save = book3e_idle,
94 .power_save = e500_idle,
98 machine_arch_initcall(b4_qds, corenet_ds_publish_devices);
100 #ifdef CONFIG_SWIOTLB
101 machine_arch_initcall(b4_qds, swiotlb_setup_bus_notifier);