diff options
Diffstat (limited to 'arch/powerpc/platforms/cell/setup.c')
-rw-r--r-- | arch/powerpc/platforms/cell/setup.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c new file mode 100644 index 000000000000..9a495634d0c2 --- /dev/null +++ b/arch/powerpc/platforms/cell/setup.c | |||
@@ -0,0 +1,141 @@ | |||
1 | /* | ||
2 | * linux/arch/powerpc/platforms/cell/cell_setup.c | ||
3 | * | ||
4 | * Copyright (C) 1995 Linus Torvalds | ||
5 | * Adapted from 'alpha' version by Gary Thomas | ||
6 | * Modified by Cort Dougan (cort@cs.nmt.edu) | ||
7 | * Modified by PPC64 Team, IBM Corp | ||
8 | * Modified by Cell Team, IBM Deutschland Entwicklung GmbH | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or | ||
11 | * modify it under the terms of the GNU General Public License | ||
12 | * as published by the Free Software Foundation; either version | ||
13 | * 2 of the License, or (at your option) any later version. | ||
14 | */ | ||
15 | #undef DEBUG | ||
16 | |||
17 | #include <linux/config.h> | ||
18 | #include <linux/sched.h> | ||
19 | #include <linux/kernel.h> | ||
20 | #include <linux/mm.h> | ||
21 | #include <linux/stddef.h> | ||
22 | #include <linux/unistd.h> | ||
23 | #include <linux/slab.h> | ||
24 | #include <linux/user.h> | ||
25 | #include <linux/reboot.h> | ||
26 | #include <linux/init.h> | ||
27 | #include <linux/delay.h> | ||
28 | #include <linux/irq.h> | ||
29 | #include <linux/seq_file.h> | ||
30 | #include <linux/root_dev.h> | ||
31 | #include <linux/console.h> | ||
32 | |||
33 | #include <asm/mmu.h> | ||
34 | #include <asm/processor.h> | ||
35 | #include <asm/io.h> | ||
36 | #include <asm/pgtable.h> | ||
37 | #include <asm/prom.h> | ||
38 | #include <asm/rtas.h> | ||
39 | #include <asm/pci-bridge.h> | ||
40 | #include <asm/iommu.h> | ||
41 | #include <asm/dma.h> | ||
42 | #include <asm/machdep.h> | ||
43 | #include <asm/time.h> | ||
44 | #include <asm/nvram.h> | ||
45 | #include <asm/cputable.h> | ||
46 | #include <asm/ppc-pci.h> | ||
47 | #include <asm/irq.h> | ||
48 | |||
49 | #include "interrupt.h" | ||
50 | #include "iommu.h" | ||
51 | |||
52 | #ifdef DEBUG | ||
53 | #define DBG(fmt...) udbg_printf(fmt) | ||
54 | #else | ||
55 | #define DBG(fmt...) | ||
56 | #endif | ||
57 | |||
58 | void cell_show_cpuinfo(struct seq_file *m) | ||
59 | { | ||
60 | struct device_node *root; | ||
61 | const char *model = ""; | ||
62 | |||
63 | root = of_find_node_by_path("/"); | ||
64 | if (root) | ||
65 | model = get_property(root, "model", NULL); | ||
66 | seq_printf(m, "machine\t\t: CHRP %s\n", model); | ||
67 | of_node_put(root); | ||
68 | } | ||
69 | |||
70 | static void cell_progress(char *s, unsigned short hex) | ||
71 | { | ||
72 | printk("*** %04x : %s\n", hex, s ? s : ""); | ||
73 | } | ||
74 | |||
75 | static void __init cell_setup_arch(void) | ||
76 | { | ||
77 | ppc_md.init_IRQ = iic_init_IRQ; | ||
78 | ppc_md.get_irq = iic_get_irq; | ||
79 | |||
80 | #ifdef CONFIG_SMP | ||
81 | smp_init_cell(); | ||
82 | #endif | ||
83 | |||
84 | /* init to some ~sane value until calibrate_delay() runs */ | ||
85 | loops_per_jiffy = 50000000; | ||
86 | |||
87 | if (ROOT_DEV == 0) { | ||
88 | printk("No ramdisk, default root is /dev/hda2\n"); | ||
89 | ROOT_DEV = Root_HDA2; | ||
90 | } | ||
91 | |||
92 | /* Find and initialize PCI host bridges */ | ||
93 | init_pci_config_tokens(); | ||
94 | find_and_init_phbs(); | ||
95 | spider_init_IRQ(); | ||
96 | #ifdef CONFIG_DUMMY_CONSOLE | ||
97 | conswitchp = &dummy_con; | ||
98 | #endif | ||
99 | |||
100 | mmio_nvram_init(); | ||
101 | } | ||
102 | |||
103 | /* | ||
104 | * Early initialization. Relocation is on but do not reference unbolted pages | ||
105 | */ | ||
106 | static void __init cell_init_early(void) | ||
107 | { | ||
108 | DBG(" -> cell_init_early()\n"); | ||
109 | |||
110 | hpte_init_native(); | ||
111 | |||
112 | cell_init_iommu(); | ||
113 | |||
114 | ppc64_interrupt_controller = IC_CELL_PIC; | ||
115 | |||
116 | DBG(" <- cell_init_early()\n"); | ||
117 | } | ||
118 | |||
119 | |||
120 | static int __init cell_probe(int platform) | ||
121 | { | ||
122 | if (platform != PLATFORM_CELL) | ||
123 | return 0; | ||
124 | |||
125 | return 1; | ||
126 | } | ||
127 | |||
128 | struct machdep_calls __initdata cell_md = { | ||
129 | .probe = cell_probe, | ||
130 | .setup_arch = cell_setup_arch, | ||
131 | .init_early = cell_init_early, | ||
132 | .show_cpuinfo = cell_show_cpuinfo, | ||
133 | .restart = rtas_restart, | ||
134 | .power_off = rtas_power_off, | ||
135 | .halt = rtas_halt, | ||
136 | .get_boot_time = rtas_get_boot_time, | ||
137 | .get_rtc_time = rtas_get_rtc_time, | ||
138 | .set_rtc_time = rtas_set_rtc_time, | ||
139 | .calibrate_decr = generic_calibrate_decr, | ||
140 | .progress = cell_progress, | ||
141 | }; | ||