1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* arch/sh64/mach-romram/setup.c
*
* SH-5 ROM/RAM Platform Support
*
* This file handles the architecture-dependent parts of initialization
*
* Copyright (C) 2000, 2001 Paolo Alberelli
*
* benedict.gaster@superh.com: 3rd May 2002
* Added support for ramdisk, removing statically linked romfs at the same time. *
*
* lethal@linux-sh.org: 15th May 2003
* Use the generic procfs cpuinfo interface, just return a valid board name.
*
* Sean.McGoogan@superh.com 17th Feb 2004
* copied from arch/sh64/mach-harp/setup.c
*/
#include <linux/stddef.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/bootmem.h>
#include <linux/delay.h>
#include <linux/kernel.h>
#include <asm/processor.h>
#include <asm/platform.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/page.h>
#define RES_COUNT(res) ((sizeof((res))/sizeof(struct resource)))
/*
* Platform Dependent Interrupt Priorities.
*/
/* Using defaults defined in irq.h */
#define RES NO_PRIORITY /* Disabled */
#define IR0 IRL0_PRIORITY /* IRLs */
#define IR1 IRL1_PRIORITY
#define IR2 IRL2_PRIORITY
#define IR3 IRL3_PRIORITY
#define PCA INTA_PRIORITY /* PCI Ints */
#define PCB INTB_PRIORITY
#define PCC INTC_PRIORITY
#define PCD INTD_PRIORITY
#define SER TOP_PRIORITY
#define ERR TOP_PRIORITY
#define PW0 TOP_PRIORITY
#define PW1 TOP_PRIORITY
#define PW2 TOP_PRIORITY
#define PW3 TOP_PRIORITY
#define DM0 NO_PRIORITY /* DMA Ints */
#define DM1 NO_PRIORITY
#define DM2 NO_PRIORITY
#define DM3 NO_PRIORITY
#define DAE NO_PRIORITY
#define TU0 TIMER_PRIORITY /* TMU Ints */
#define TU1 NO_PRIORITY
#define TU2 NO_PRIORITY
#define TI2 NO_PRIORITY
#define ATI NO_PRIORITY /* RTC Ints */
#define PRI NO_PRIORITY
#define CUI RTC_PRIORITY
#define ERI SCIF_PRIORITY /* SCIF Ints */
#define RXI SCIF_PRIORITY
#define BRI SCIF_PRIORITY
#define TXI SCIF_PRIORITY
#define ITI TOP_PRIORITY /* WDT Ints */
/*
* Platform dependent structures: maps and parms block.
*/
struct resource io_resources[] = {
/* To be updated with external devices */
};
struct resource kram_resources[] = {
{ "Kernel code", 0, 0 }, /* These must be last in the array */
{ "Kernel data", 0, 0 } /* These must be last in the array */
};
struct resource xram_resources[] = {
/* To be updated with external devices */
};
struct resource rom_resources[] = {
/* To be updated with external devices */
};
struct sh64_platform platform_parms = {
.readonly_rootfs = 1,
.initial_root_dev = 0x0100,
.loader_type = 1,
.io_res_p = io_resources,
.io_res_count = RES_COUNT(io_resources),
.kram_res_p = kram_resources,
.kram_res_count = RES_COUNT(kram_resources),
.xram_res_p = xram_resources,
.xram_res_count = RES_COUNT(xram_resources),
.rom_res_p = rom_resources,
.rom_res_count = RES_COUNT(rom_resources),
};
int platform_int_priority[NR_INTC_IRQS] = {
IR0, IR1, IR2, IR3, PCA, PCB, PCC, PCD, /* IRQ 0- 7 */
RES, RES, RES, RES, SER, ERR, PW3, PW2, /* IRQ 8-15 */
PW1, PW0, DM0, DM1, DM2, DM3, DAE, RES, /* IRQ 16-23 */
RES, RES, RES, RES, RES, RES, RES, RES, /* IRQ 24-31 */
TU0, TU1, TU2, TI2, ATI, PRI, CUI, ERI, /* IRQ 32-39 */
RXI, BRI, TXI, RES, RES, RES, RES, RES, /* IRQ 40-47 */
RES, RES, RES, RES, RES, RES, RES, RES, /* IRQ 48-55 */
RES, RES, RES, RES, RES, RES, RES, ITI, /* IRQ 56-63 */
};
void __init platform_setup(void)
{
/* ROM/RAM platform leaves the decision to head.S, for now */
platform_parms.fpu_flags = fpu_in_use;
}
void __init platform_monitor(void)
{
/* Nothing yet .. */
}
void __init platform_reserve(void)
{
/* Nothing yet .. */
}
const char *get_system_type(void)
{
return "ROM/RAM";
}
|
