Linux-2.6.12-rc2
[linux-2.6/kvm.git] / arch / sh64 / mach-harp / setup.c
blob3938a65c4b2532aa46e82b1a35924e4020845406
1 /*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
6 * arch/sh64/mach-harp/setup.c
8 * SH-5 Simulator Platform Support
10 * This file handles the architecture-dependent parts of initialization
12 * Copyright (C) 2000, 2001 Paolo Alberelli
14 * benedict.gaster@superh.com: 3rd May 2002
15 * Added support for ramdisk, removing statically linked romfs at the same time. *
17 * lethal@linux-sh.org: 15th May 2003
18 * Use the generic procfs cpuinfo interface, just return a valid board name.
21 #include <linux/stddef.h>
22 #include <linux/init.h>
23 #include <linux/config.h>
24 #include <linux/mm.h>
25 #include <linux/bootmem.h>
26 #include <linux/delay.h>
27 #include <linux/kernel.h>
28 #include <asm/processor.h>
29 #include <asm/platform.h>
30 #include <asm/io.h>
31 #include <asm/irq.h>
32 #include <asm/page.h>
34 #define RES_COUNT(res) ((sizeof((res))/sizeof(struct resource)))
37 * Platform Dependent Interrupt Priorities.
40 /* Using defaults defined in irq.h */
41 #define RES NO_PRIORITY /* Disabled */
42 #define IR0 IRL0_PRIORITY /* IRLs */
43 #define IR1 IRL1_PRIORITY
44 #define IR2 IRL2_PRIORITY
45 #define IR3 IRL3_PRIORITY
46 #define PCA INTA_PRIORITY /* PCI Ints */
47 #define PCB INTB_PRIORITY
48 #define PCC INTC_PRIORITY
49 #define PCD INTD_PRIORITY
50 #define SER TOP_PRIORITY
51 #define ERR TOP_PRIORITY
52 #define PW0 TOP_PRIORITY
53 #define PW1 TOP_PRIORITY
54 #define PW2 TOP_PRIORITY
55 #define PW3 TOP_PRIORITY
56 #define DM0 NO_PRIORITY /* DMA Ints */
57 #define DM1 NO_PRIORITY
58 #define DM2 NO_PRIORITY
59 #define DM3 NO_PRIORITY
60 #define DAE NO_PRIORITY
61 #define TU0 TIMER_PRIORITY /* TMU Ints */
62 #define TU1 NO_PRIORITY
63 #define TU2 NO_PRIORITY
64 #define TI2 NO_PRIORITY
65 #define ATI NO_PRIORITY /* RTC Ints */
66 #define PRI NO_PRIORITY
67 #define CUI RTC_PRIORITY
68 #define ERI SCIF_PRIORITY /* SCIF Ints */
69 #define RXI SCIF_PRIORITY
70 #define BRI SCIF_PRIORITY
71 #define TXI SCIF_PRIORITY
72 #define ITI TOP_PRIORITY /* WDT Ints */
75 * Platform dependent structures: maps and parms block.
77 struct resource io_resources[] = {
78 /* To be updated with external devices */
81 struct resource kram_resources[] = {
82 { "Kernel code", 0, 0 }, /* These must be last in the array */
83 { "Kernel data", 0, 0 } /* These must be last in the array */
86 struct resource xram_resources[] = {
87 /* To be updated with external devices */
90 struct resource rom_resources[] = {
91 /* To be updated with external devices */
94 struct sh64_platform platform_parms = {
95 .readonly_rootfs = 1,
96 .initial_root_dev = 0x0100,
97 .loader_type = 1,
98 .io_res_p = io_resources,
99 .io_res_count = RES_COUNT(io_resources),
100 .kram_res_p = kram_resources,
101 .kram_res_count = RES_COUNT(kram_resources),
102 .xram_res_p = xram_resources,
103 .xram_res_count = RES_COUNT(xram_resources),
104 .rom_res_p = rom_resources,
105 .rom_res_count = RES_COUNT(rom_resources),
108 int platform_int_priority[NR_INTC_IRQS] = {
109 IR0, IR1, IR2, IR3, PCA, PCB, PCC, PCD, /* IRQ 0- 7 */
110 RES, RES, RES, RES, SER, ERR, PW3, PW2, /* IRQ 8-15 */
111 PW1, PW0, DM0, DM1, DM2, DM3, DAE, RES, /* IRQ 16-23 */
112 RES, RES, RES, RES, RES, RES, RES, RES, /* IRQ 24-31 */
113 TU0, TU1, TU2, TI2, ATI, PRI, CUI, ERI, /* IRQ 32-39 */
114 RXI, BRI, TXI, RES, RES, RES, RES, RES, /* IRQ 40-47 */
115 RES, RES, RES, RES, RES, RES, RES, RES, /* IRQ 48-55 */
116 RES, RES, RES, RES, RES, RES, RES, ITI, /* IRQ 56-63 */
119 void __init platform_setup(void)
121 /* Harp platform leaves the decision to head.S, for now */
122 platform_parms.fpu_flags = fpu_in_use;
125 void __init platform_monitor(void)
127 /* Nothing yet .. */
130 void __init platform_reserve(void)
132 /* Nothing yet .. */
135 const char *get_system_type(void)
137 return "ST50 Harp";