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-rw-r--r--arch/arm/mach-bcmring/arch.c198
1 files changed, 0 insertions, 198 deletions
diff --git a/arch/arm/mach-bcmring/arch.c b/arch/arm/mach-bcmring/arch.c
deleted file mode 100644
index c18a5048b6c5..000000000000
--- a/arch/arm/mach-bcmring/arch.c
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1/*****************************************************************************
2* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved.
3*
4* Unless you and Broadcom execute a separate written software license
5* agreement governing use of this software, this software is licensed to you
6* under the terms of the GNU General Public License version 2, available at
7* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
8*
9* Notwithstanding the above, under no circumstances may you combine this
10* software in any way with any other Broadcom software provided under a
11* license other than the GPL, without Broadcom's express prior written
12* consent.
13*****************************************************************************/
14
15#include <linux/kernel.h>
16#include <linux/platform_device.h>
17#include <linux/types.h>
18#include <linux/sched.h>
19#include <linux/interrupt.h>
20#include <linux/init.h>
21#include <linux/errno.h>
22#include <linux/spinlock.h>
23#include <linux/module.h>
24
25#include <linux/proc_fs.h>
26#include <linux/sysctl.h>
27
28#include <asm/irq.h>
29#include <asm/setup.h>
30#include <asm/mach-types.h>
31#include <asm/mach/time.h>
32
33#include <asm/mach/arch.h>
34#include <mach/dma.h>
35#include <mach/hardware.h>
36#include <mach/csp/mm_io.h>
37#include <mach/csp/chipcHw_def.h>
38#include <mach/csp/chipcHw_inline.h>
39
40#include <mach/cfg_global.h>
41
42#include "core.h"
43
44HW_DECLARE_SPINLOCK(arch)
45HW_DECLARE_SPINLOCK(gpio)
46#if defined(CONFIG_DEBUG_SPINLOCK)
47 EXPORT_SYMBOL(bcmring_gpio_reg_lock);
48#endif
49
50/* sysctl */
51static int bcmring_arch_warm_reboot; /* do a warm reboot on hard reset */
52
53static void bcmring_restart(char mode, const char *cmd)
54{
55 printk("arch_reset:%c %x\n", mode, bcmring_arch_warm_reboot);
56
57 if (mode == 'h') {
58 /* Reboot configured in proc entry */
59 if (bcmring_arch_warm_reboot) {
60 printk("warm reset\n");
61 /* Issue Warm reset (do not reset ethernet switch, keep alive) */
62 chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_WARM);
63 } else {
64 /* Force reset of everything */
65 printk("force reset\n");
66 chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_SOFT);
67 }
68 } else {
69 /* Force reset of everything */
70 printk("force reset\n");
71 chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_SOFT);
72 }
73}
74
75static struct ctl_table_header *bcmring_sysctl_header;
76
77static struct ctl_table bcmring_sysctl_warm_reboot[] = {
78 {
79 .procname = "warm",
80 .data = &bcmring_arch_warm_reboot,
81 .maxlen = sizeof(int),
82 .mode = 0644,
83 .proc_handler = proc_dointvec},
84 {}
85};
86
87static struct ctl_table bcmring_sysctl_reboot[] = {
88 {
89 .procname = "reboot",
90 .mode = 0555,
91 .child = bcmring_sysctl_warm_reboot},
92 {}
93};
94
95static struct resource nand_resource[] = {
96 [0] = {
97 .start = MM_ADDR_IO_NAND,
98 .end = MM_ADDR_IO_NAND + 0x1000 - 1,
99 .flags = IORESOURCE_MEM,
100 },
101};
102
103static struct platform_device nand_device = {
104 .name = "bcm-nand",
105 .id = -1,
106 .resource = nand_resource,
107 .num_resources = ARRAY_SIZE(nand_resource),
108};
109
110static struct resource pmu_resource = {
111 .start = IRQ_PMUIRQ,
112 .end = IRQ_PMUIRQ,
113 .flags = IORESOURCE_IRQ,
114};
115
116static struct platform_device pmu_device = {
117 .name = "arm-pmu",
118 .id = -1,
119 .resource = &pmu_resource,
120 .num_resources = 1,
121};
122
123
124static struct platform_device *devices[] __initdata = {
125 &nand_device,
126 &pmu_device,
127};
128
129/****************************************************************************
130*
131* Called from the customize_machine function in arch/arm/kernel/setup.c
132*
133* The customize_machine function is tagged as an arch_initcall
134* (see include/linux/init.h for the order that the various init sections
135* are called in.
136*
137*****************************************************************************/
138static void __init bcmring_init_machine(void)
139{
140
141 bcmring_sysctl_header = register_sysctl_table(bcmring_sysctl_reboot);
142
143 /* Enable spread spectrum */
144 chipcHw_enableSpreadSpectrum();
145
146 platform_add_devices(devices, ARRAY_SIZE(devices));
147
148 bcmring_amba_init();
149
150 dma_init();
151}
152
153/****************************************************************************
154*
155* Called from setup_arch (in arch/arm/kernel/setup.c) to fixup any tags
156* passed in by the boot loader.
157*
158*****************************************************************************/
159
160static void __init bcmring_fixup(struct tag *t, char **cmdline,
161 struct meminfo *mi) {
162#ifdef CONFIG_BLK_DEV_INITRD
163 printk(KERN_NOTICE "bcmring_fixup\n");
164 t->hdr.tag = ATAG_CORE;
165 t->hdr.size = tag_size(tag_core);
166 t->u.core.flags = 0;
167 t->u.core.pagesize = PAGE_SIZE;
168 t->u.core.rootdev = 31 << 8 | 0;
169 t = tag_next(t);
170
171 t->hdr.tag = ATAG_MEM;
172 t->hdr.size = tag_size(tag_mem32);
173 t->u.mem.start = CFG_GLOBAL_RAM_BASE;
174 t->u.mem.size = CFG_GLOBAL_RAM_SIZE;
175
176 t = tag_next(t);
177
178 t->hdr.tag = ATAG_NONE;
179 t->hdr.size = 0;
180#endif
181}
182
183/****************************************************************************
184*
185* Machine Description
186*
187*****************************************************************************/
188
189MACHINE_START(BCMRING, "BCMRING")
190 /* Maintainer: Broadcom Corporation */
191 .fixup = bcmring_fixup,
192 .map_io = bcmring_map_io,
193 .init_early = bcmring_init_early,
194 .init_irq = bcmring_init_irq,
195 .timer = &bcmring_timer,
196 .init_machine = bcmring_init_machine,
197 .restart = bcmring_restart,
198MACHINE_END