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-rw-r--r--arch/arm/mach-bcmring/arch.c157
-rw-r--r--arch/arm/mach-bcmring/core.h30
-rw-r--r--arch/arm/mach-bcmring/include/cfg_global.h13
-rw-r--r--arch/arm/mach-bcmring/include/cfg_global_defines.h40
-rw-r--r--arch/arm/mach-bcmring/include/mach/hardware.h60
-rw-r--r--arch/arm/mach-bcmring/include/mach/system.h54
6 files changed, 354 insertions, 0 deletions
diff --git a/arch/arm/mach-bcmring/arch.c b/arch/arm/mach-bcmring/arch.c
new file mode 100644
index 000000000000..0da693b0f7e1
--- /dev/null
+++ b/arch/arm/mach-bcmring/arch.c
@@ -0,0 +1,157 @@
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 <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/* FIXME: temporary solution */
51#define BCM_SYSCTL_REBOOT_WARM 1
52#define CTL_BCM_REBOOT 112
53
54/* sysctl */
55int bcmring_arch_warm_reboot; /* do a warm reboot on hard reset */
56
57static struct ctl_table_header *bcmring_sysctl_header;
58
59static struct ctl_table bcmring_sysctl_warm_reboot[] = {
60 {
61 .ctl_name = BCM_SYSCTL_REBOOT_WARM,
62 .procname = "warm",
63 .data = &bcmring_arch_warm_reboot,
64 .maxlen = sizeof(int),
65 .mode = 0644,
66 .proc_handler = &proc_dointvec},
67 {}
68};
69
70static struct ctl_table bcmring_sysctl_reboot[] = {
71 {
72 .ctl_name = CTL_BCM_REBOOT,
73 .procname = "reboot",
74 .mode = 0555,
75 .child = bcmring_sysctl_warm_reboot},
76 {}
77};
78
79static struct platform_device nand_device = {
80 .name = "bcm-nand",
81 .id = -1,
82};
83
84static struct platform_device *devices[] __initdata = {
85 &nand_device,
86};
87
88/****************************************************************************
89*
90* Called from the customize_machine function in arch/arm/kernel/setup.c
91*
92* The customize_machine function is tagged as an arch_initcall
93* (see include/linux/init.h for the order that the various init sections
94* are called in.
95*
96*****************************************************************************/
97static void __init bcmring_init_machine(void)
98{
99
100 bcmring_sysctl_header = register_sysctl_table(bcmring_sysctl_reboot);
101
102 /* Enable spread spectrum */
103 chipcHw_enableSpreadSpectrum();
104
105 platform_add_devices(devices, ARRAY_SIZE(devices));
106
107 bcmring_amba_init();
108
109 dma_init();
110}
111
112/****************************************************************************
113*
114* Called from setup_arch (in arch/arm/kernel/setup.c) to fixup any tags
115* passed in by the boot loader.
116*
117*****************************************************************************/
118
119static void __init bcmring_fixup(struct machine_desc *desc,
120 struct tag *t, char **cmdline, struct meminfo *mi) {
121#ifdef CONFIG_BLK_DEV_INITRD
122 printk(KERN_NOTICE "bcmring_fixup\n");
123 t->hdr.tag = ATAG_CORE;
124 t->hdr.size = tag_size(tag_core);
125 t->u.core.flags = 0;
126 t->u.core.pagesize = PAGE_SIZE;
127 t->u.core.rootdev = 31 << 8 | 0;
128 t = tag_next(t);
129
130 t->hdr.tag = ATAG_MEM;
131 t->hdr.size = tag_size(tag_mem32);
132 t->u.mem.start = CFG_GLOBAL_RAM_BASE;
133 t->u.mem.size = CFG_GLOBAL_RAM_SIZE;
134
135 t = tag_next(t);
136
137 t->hdr.tag = ATAG_NONE;
138 t->hdr.size = 0;
139#endif
140}
141
142/****************************************************************************
143*
144* Machine Description
145*
146*****************************************************************************/
147
148MACHINE_START(BCMRING, "BCMRING")
149 /* Maintainer: Broadcom Corporation */
150 .phys_io = MM_IO_START,
151 .io_pg_offst = (MM_IO_BASE >> 18) & 0xfffc,
152 .fixup = bcmring_fixup,
153 .map_io = bcmring_map_io,
154 .init_irq = bcmring_init_irq,
155 .timer = &bcmring_timer,
156 .init_machine = bcmring_init_machine
157MACHINE_END
diff --git a/arch/arm/mach-bcmring/core.h b/arch/arm/mach-bcmring/core.h
new file mode 100644
index 000000000000..b197ba48e36e
--- /dev/null
+++ b/arch/arm/mach-bcmring/core.h
@@ -0,0 +1,30 @@
1/*
2 * linux/arch/arm/mach-versatile/core.h
3 *
4 * Copyright (C) 2004 ARM Limited
5 * Copyright (C) 2000 Deep Blue Solutions Ltd
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21/* Portions copyright Broadcom 2008 */
22#ifndef __ASM_ARCH_BCMRING_H
23#define __ASM_ARCH_BCMRING_H
24
25void __init bcmring_amba_init(void);
26void __init bcmring_map_io(void);
27void __init bcmring_init_irq(void);
28
29extern struct sys_timer bcmring_timer;
30#endif
diff --git a/arch/arm/mach-bcmring/include/cfg_global.h b/arch/arm/mach-bcmring/include/cfg_global.h
new file mode 100644
index 000000000000..f01da877148e
--- /dev/null
+++ b/arch/arm/mach-bcmring/include/cfg_global.h
@@ -0,0 +1,13 @@
1#ifndef _CFG_GLOBAL_H_
2#define _CFG_GLOBAL_H_
3
4#include <cfg_global_defines.h>
5
6#define CFG_GLOBAL_CHIP BCM11107
7#define CFG_GLOBAL_CHIP_FAMILY CFG_GLOBAL_CHIP_FAMILY_BCMRING
8#define CFG_GLOBAL_CHIP_REV 0xB0
9#define CFG_GLOBAL_RAM_SIZE 0x10000000
10#define CFG_GLOBAL_RAM_BASE 0x00000000
11#define CFG_GLOBAL_RAM_RESERVED_SIZE 0x000000
12
13#endif /* _CFG_GLOBAL_H_ */
diff --git a/arch/arm/mach-bcmring/include/cfg_global_defines.h b/arch/arm/mach-bcmring/include/cfg_global_defines.h
new file mode 100644
index 000000000000..b5beb0b30734
--- /dev/null
+++ b/arch/arm/mach-bcmring/include/cfg_global_defines.h
@@ -0,0 +1,40 @@
1/*****************************************************************************
2* Copyright 2006 - 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#ifndef CFG_GLOBAL_DEFINES_H
16#define CFG_GLOBAL_DEFINES_H
17
18/* CHIP */
19#define BCM1103 1
20
21#define BCM1191 4
22#define BCM2153 5
23#define BCM2820 6
24
25#define BCM2826 8
26#define FPGA11107 9
27#define BCM11107 10
28#define BCM11109 11
29#define BCM11170 12
30#define BCM11110 13
31#define BCM11211 14
32
33/* CFG_GLOBAL_CHIP_FAMILY types */
34#define CFG_GLOBAL_CHIP_FAMILY_NONE 0
35#define CFG_GLOBAL_CHIP_FAMILY_BCM116X 2
36#define CFG_GLOBAL_CHIP_FAMILY_BCMRING 4
37#define CFG_GLOBAL_CHIP_FAMILY_BCM1103 8
38
39#define IMAGE_HEADER_SIZE_CHECKSUM 4
40#endif
diff --git a/arch/arm/mach-bcmring/include/mach/hardware.h b/arch/arm/mach-bcmring/include/mach/hardware.h
new file mode 100644
index 000000000000..447eb340c611
--- /dev/null
+++ b/arch/arm/mach-bcmring/include/mach/hardware.h
@@ -0,0 +1,60 @@
1/*
2 *
3 * This file contains the hardware definitions of the BCMRing.
4 *
5 * Copyright (C) 1999 ARM Limited.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21#ifndef __ASM_ARCH_HARDWARE_H
22#define __ASM_ARCH_HARDWARE_H
23
24#include <asm/sizes.h>
25#include <mach/memory.h>
26#include <cfg_global.h>
27#include <mach/csp/mm_io.h>
28
29/* Hardware addresses of major areas.
30 * *_START is the physical address
31 * *_SIZE is the size of the region
32 * *_BASE is the virtual address
33 */
34#define RAM_START PHYS_OFFSET
35
36#define RAM_SIZE (CFG_GLOBAL_RAM_SIZE-CFG_GLOBAL_RAM_SIZE_RESERVED)
37#define RAM_BASE PAGE_OFFSET
38
39#define pcibios_assign_all_busses() 1
40
41/* Macros to make managing spinlocks a bit more controlled in terms of naming. */
42/* See reg_gpio.h, reg_irq.h, arch.c, gpio.c for example usage. */
43#if defined(__KERNEL__)
44#define HW_DECLARE_SPINLOCK(name) DEFINE_SPINLOCK(bcmring_##name##_reg_lock);
45#define HW_EXTERN_SPINLOCK(name) extern spinlock_t bcmring_##name##_reg_lock;
46#define HW_IRQ_SAVE(name, val) spin_lock_irqsave(&bcmring_##name##_reg_lock, (val))
47#define HW_IRQ_RESTORE(name, val) spin_unlock_irqrestore(&bcmring_##name##_reg_lock, (val))
48#else
49#define HW_DECLARE_SPINLOCK(name)
50#define HW_EXTERN_SPINLOCK(name)
51#define HW_IRQ_SAVE(name, val) {(void)(name); (void)(val); }
52#define HW_IRQ_RESTORE(name, val) {(void)(name); (void)(val); }
53#endif
54
55#ifndef HW_IO_PHYS_TO_VIRT
56#define HW_IO_PHYS_TO_VIRT MM_IO_PHYS_TO_VIRT
57#endif
58#define HW_IO_VIRT_TO_PHYS MM_IO_VIRT_TO_PHYS
59
60#endif
diff --git a/arch/arm/mach-bcmring/include/mach/system.h b/arch/arm/mach-bcmring/include/mach/system.h
new file mode 100644
index 000000000000..cdbf93c694a6
--- /dev/null
+++ b/arch/arm/mach-bcmring/include/mach/system.h
@@ -0,0 +1,54 @@
1/*
2 *
3 * Copyright (C) 1999 ARM Limited
4 * Copyright (C) 2000 Deep Blue Solutions Ltd
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20#ifndef __ASM_ARCH_SYSTEM_H
21#define __ASM_ARCH_SYSTEM_H
22
23#include <mach/csp/chipcHw_inline.h>
24
25extern int bcmring_arch_warm_reboot;
26
27static inline void arch_idle(void)
28{
29 cpu_do_idle();
30}
31
32static inline void arch_reset(char mode, char *cmd)
33{
34 printk("arch_reset:%c %x\n", mode, bcmring_arch_warm_reboot);
35
36 if (mode == 'h') {
37 /* Reboot configured in proc entry */
38 if (bcmring_arch_warm_reboot) {
39 printk("warm reset\n");
40 /* Issue Warm reset (do not reset ethernet switch, keep alive) */
41 chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_WARM);
42 } else {
43 /* Force reset of everything */
44 printk("force reset\n");
45 chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_SOFT);
46 }
47 } else {
48 /* Force reset of everything */
49 printk("force reset\n");
50 chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_SOFT);
51 }
52}
53
54#endif
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-29 20:25:14 -0500