Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
torvalds
GitHub Repository: torvalds/linux
Path: blob/master/arch/powerpc/platforms/85xx/mpc85xx_ds.c
26481 views
1
// SPDX-License-Identifier: GPL-2.0-or-later
2
/*
3
* MPC85xx DS Board Setup
4
*
5
* Author Xianghua Xiao ([email protected])
6
* Roy Zang <[email protected]>
7
* - Add PCI/PCI Exprees support
8
* Copyright 2007 Freescale Semiconductor Inc.
9
*/
10
11
#include <linux/stddef.h>
12
#include <linux/kernel.h>
13
#include <linux/pci.h>
14
#include <linux/kdev_t.h>
15
#include <linux/delay.h>
16
#include <linux/seq_file.h>
17
#include <linux/interrupt.h>
18
#include <linux/of.h>
19
#include <linux/of_irq.h>
20
21
#include <asm/time.h>
22
#include <asm/machdep.h>
23
#include <asm/pci-bridge.h>
24
#include <mm/mmu_decl.h>
25
#include <asm/udbg.h>
26
#include <asm/mpic.h>
27
#include <asm/i8259.h>
28
#include <asm/swiotlb.h>
29
#include <asm/ppc-pci.h>
30
31
#include <sysdev/fsl_soc.h>
32
#include <sysdev/fsl_pci.h>
33
#include "smp.h"
34
35
#include "mpc85xx.h"
36
37
static void __init mpc85xx_ds_pic_init(void)
38
{
39
struct mpic *mpic;
40
int flags = MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU;
41
42
if (of_machine_is_compatible("fsl,MPC8572DS-CAMP"))
43
flags |= MPIC_NO_RESET;
44
45
mpic = mpic_alloc(NULL, 0, flags, 0, 256, " OpenPIC ");
46
47
if (WARN_ON(!mpic))
48
return;
49
50
mpic_init(mpic);
51
52
mpc85xx_8259_init();
53
}
54
55
/*
56
* Setup the architecture
57
*/
58
static void __init mpc85xx_ds_setup_arch(void)
59
{
60
if (ppc_md.progress)
61
ppc_md.progress("mpc85xx_ds_setup_arch()", 0);
62
63
swiotlb_detect_4g();
64
fsl_pci_assign_primary();
65
uli_init();
66
mpc85xx_smp_init();
67
68
pr_info("MPC85xx DS board from Freescale Semiconductor\n");
69
}
70
71
machine_arch_initcall(mpc8544_ds, mpc85xx_common_publish_devices);
72
machine_arch_initcall(mpc8572_ds, mpc85xx_common_publish_devices);
73
74
define_machine(mpc8544_ds) {
75
.name = "MPC8544 DS",
76
.compatible = "MPC8544DS",
77
.setup_arch = mpc85xx_ds_setup_arch,
78
.init_IRQ = mpc85xx_ds_pic_init,
79
#ifdef CONFIG_PCI
80
.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
81
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
82
#endif
83
.get_irq = mpic_get_irq,
84
.progress = udbg_progress,
85
};
86
87
define_machine(mpc8572_ds) {
88
.name = "MPC8572 DS",
89
.compatible = "fsl,MPC8572DS",
90
.setup_arch = mpc85xx_ds_setup_arch,
91
.init_IRQ = mpc85xx_ds_pic_init,
92
#ifdef CONFIG_PCI
93
.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
94
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
95
#endif
96
.get_irq = mpic_get_irq,
97
.progress = udbg_progress,
98
};
99
100