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Diffstat (limited to 'arch/h8300/platform/h8300h/generic/crt0_rom.S')
-rw-r--r--arch/h8300/platform/h8300h/generic/crt0_rom.S122
1 files changed, 0 insertions, 122 deletions
diff --git a/arch/h8300/platform/h8300h/generic/crt0_rom.S b/arch/h8300/platform/h8300h/generic/crt0_rom.S
deleted file mode 100644
index dda1dfa15a5e..000000000000
--- a/arch/h8300/platform/h8300h/generic/crt0_rom.S
+++ /dev/null
@@ -1,122 +0,0 @@
1/*
2 * linux/arch/h8300/platform/h8300h/generic/crt0_rom.S
3 *
4 * Yoshinori Sato <ysato@users.sourceforge.jp>
5 *
6 * Platform depend startup
7 * Target Archtecture: generic
8 * Memory Layout : ROM
9 */
10
11#define ASSEMBLY
12
13#include <asm/linkage.h>
14
15 .global __start
16 .global __command_line
17 .global __platform_gpio_table
18 .global __target_name
19
20 .h8300h
21 .section .text
22 .file "crt0_rom.S"
23
24 /* CPU Reset entry */
25__start:
26 mov.l #__ramend,sp
27 ldc #0x80,ccr
28
29 /* Peripheral Setup */
30
31 /* .bss clear */
32 mov.l #__sbss,er5
33 mov.l #__ebss,er4
34 sub.l er5,er4
35 shlr er4
36 shlr er4
37 sub.l er0,er0
381:
39 mov.l er0,@er5
40 adds #4,er5
41 dec.l #1,er4
42 bne 1b
43
44 /* copy .data */
45#if !defined(CONFIG_H8300H_SIM)
46 /* copy .data */
47 mov.l #__begin_data,er5
48 mov.l #__sdata,er6
49 mov.l #__edata,er4
50 sub.l er6,er4
51 shlr.l er4
52 shlr.l er4
531:
54 mov.l @er5+,er0
55 mov.l er0,@er6
56 adds #4,er6
57 dec.l #1,er4
58 bne 1b
59#endif
60
61 /* copy kernel commandline */
62 mov.l #COMMAND_START,er5
63 mov.l #__command_line,er6
64 mov.w #512,r4
65 eepmov.w
66
67 /* linux kernel start */
68 ldc #0x90,ccr /* running kernel */
69 mov.l #_init_thread_union,sp
70 add.l #0x2000,sp
71 jsr @_start_kernel
72_exit:
73
74 jmp _exit
75
76 rts
77
78 /* I/O port assign information */
79__platform_gpio_table:
80 mov.l #gpio_table,er0
81 rts
82
83gpio_table:
84 ;; P1DDR
85 .byte 0x00,0x00
86 ;; P2DDR
87 .byte 0x00,0x00
88 ;; P3DDR
89 .byte 0x00,0x00
90 ;; P4DDR
91 .byte 0x00,0x00
92 ;; P5DDR
93 .byte 0x00,0x00
94 ;; P6DDR
95 .byte 0x00,0x00
96 ;; dummy
97 .byte 0x00,0x00
98 ;; P8DDR
99 .byte 0x00,0x00
100 ;; P9DDR
101 .byte 0x00,0x00
102 ;; PADDR
103 .byte 0x00,0x00
104 ;; PBDDR
105 .byte 0x00,0x00
106
107 .section .rodata
108__target_name:
109 .asciz "generic"
110
111 .section .bss
112__command_line:
113 .space 512
114
115 /* interrupt vector */
116 .section .vectors,"ax"
117 .long __start
118vector = 1
119 .rept 64-1
120 .long _interrupt_redirect_table+vector*4
121vector = vector + 1
122 .endr