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-rw-r--r--arch/sh64/mach-harp/Makefile14
-rw-r--r--arch/sh64/mach-harp/setup.c139
2 files changed, 153 insertions, 0 deletions
diff --git a/arch/sh64/mach-harp/Makefile b/arch/sh64/mach-harp/Makefile
new file mode 100644
index 000000000000..63f065bad2f9
--- /dev/null
+++ b/arch/sh64/mach-harp/Makefile
@@ -0,0 +1,14 @@
1#
2# Makefile for the ST50 Harp specific parts of the kernel
3#
4# Note! Dependencies are done automagically by 'make dep', which also
5# removes any old dependencies. DON'T put your own dependencies here
6# unless it's something special (ie not a .c file).
7#
8
9O_TARGET := harp.o
10
11obj-y := setup.o
12
13include $(TOPDIR)/Rules.make
14
diff --git a/arch/sh64/mach-harp/setup.c b/arch/sh64/mach-harp/setup.c
new file mode 100644
index 000000000000..3938a65c4b25
--- /dev/null
+++ b/arch/sh64/mach-harp/setup.c
@@ -0,0 +1,139 @@
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.
5 *
6 * arch/sh64/mach-harp/setup.c
7 *
8 * SH-5 Simulator Platform Support
9 *
10 * This file handles the architecture-dependent parts of initialization
11 *
12 * Copyright (C) 2000, 2001 Paolo Alberelli
13 *
14 * benedict.gaster@superh.com: 3rd May 2002
15 * Added support for ramdisk, removing statically linked romfs at the same time. *
16 *
17 * lethal@linux-sh.org: 15th May 2003
18 * Use the generic procfs cpuinfo interface, just return a valid board name.
19 */
20
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>
33
34#define RES_COUNT(res) ((sizeof((res))/sizeof(struct resource)))
35
36/*
37 * Platform Dependent Interrupt Priorities.
38 */
39
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 */
73
74/*
75 * Platform dependent structures: maps and parms block.
76 */
77struct resource io_resources[] = {
78 /* To be updated with external devices */
79};
80
81struct 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 */
84};
85
86struct resource xram_resources[] = {
87 /* To be updated with external devices */
88};
89
90struct resource rom_resources[] = {
91 /* To be updated with external devices */
92};
93
94struct 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),
106};
107
108int 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 */
117};
118
119void __init platform_setup(void)
120{
121 /* Harp platform leaves the decision to head.S, for now */
122 platform_parms.fpu_flags = fpu_in_use;
123}
124
125void __init platform_monitor(void)
126{
127 /* Nothing yet .. */
128}
129
130void __init platform_reserve(void)
131{
132 /* Nothing yet .. */
133}
134
135const char *get_system_type(void)
136{
137 return "ST50 Harp";
138}
139