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Diffstat (limited to 'arch/h8300/platform/h8s/edosk2674/crt0_rom.S')
-rw-r--r--arch/h8300/platform/h8s/edosk2674/crt0_rom.S186
1 files changed, 0 insertions, 186 deletions
diff --git a/arch/h8300/platform/h8s/edosk2674/crt0_rom.S b/arch/h8300/platform/h8s/edosk2674/crt0_rom.S
deleted file mode 100644
index 06d1d7f324c..00000000000
--- a/arch/h8300/platform/h8s/edosk2674/crt0_rom.S
+++ /dev/null
@@ -1,186 +0,0 @@
-/*
- * linux/arch/h8300/platform/h8s/edosk2674/crt0_rom.S
- *
- * Yoshinori Sato <ysato@users.sourceforge.jp>
- *
- * Platform depend startup
- * Target Archtecture: EDOSK-2674
- * Memory Layout : ROM
- */
-
-#define ASSEMBLY
-
-#include <asm/linkage.h>
-#include <asm/regs267x.h>
-
- .global __start
- .global __command_line
- .global __platform_gpio_table
- .global __target_name
-
- .h8300s
- .section .text
- .file "crt0_rom.S"
-
- /* CPU Reset entry */
-__start:
- mov.l #__ramend,sp
- ldc #0x80,ccr
- ldc #0,exr
-
- /* Peripheral Setup */
-;BSC/GPIO setup
- mov.l #init_regs,er0
- mov.w #0xffff,e2
-1:
- mov.w @er0+,r2
- beq 2f
- mov.w @er0+,r1
- mov.b r1l,@er2
- bra 1b
-
-2:
-;SDRAM setup
-#define SDRAM_SMR 0x400040
-
- mov.b #0,r0l
- mov.b r0l,@DRACCR:16
- mov.w #0x188,r0
- mov.w r0,@REFCR:16
- mov.w #0x85b4,r0
- mov.w r0,@DRAMCR:16
- mov.b #0,r1l
- mov.b r1l,@SDRAM_SMR
- mov.w #0x84b4,r0
- mov.w r0,@DRAMCR:16
-;special thanks to Arizona Cooperative Power
-
- /* copy .data */
- mov.l #__begin_data,er5
- mov.l #__sdata,er6
- mov.l #__edata,er4
- sub.l er6,er4
- shlr.l #2,er4
-1:
- mov.l @er5+,er0
- mov.l er0,@er6
- adds #4,er6
- dec.l #1,er4
- bne 1b
-
- /* .bss clear */
- mov.l #__sbss,er5
- mov.l #__ebss,er4
- sub.l er5,er4
- shlr.l #2,er4
- sub.l er0,er0
-1:
- mov.l er0,@er5
- adds #4,er5
- dec.l #1,er4
- bne 1b
-
- /* copy kernel commandline */
- mov.l #COMMAND_START,er5
- mov.l #__command_line,er6
- mov.w #512,r4
- eepmov.w
-
- /* linux kernel start */
- ldc #0x90,ccr /* running kernel */
- mov.l #_init_thread_union,sp
- add.l #0x2000,sp
- jsr @_start_kernel
-_exit:
-
- jmp _exit
-
- rts
-
- /* I/O port assign information */
-__platform_gpio_table:
- mov.l #gpio_table,er0
- rts
-
-#define INIT_REGS_DATA(REGS,DATA) \
- .word ((REGS) & 0xffff),DATA
-
-init_regs:
-INIT_REGS_DATA(ASTCR,0xff)
-INIT_REGS_DATA(RDNCR,0x00)
-INIT_REGS_DATA(ABWCR,0x80)
-INIT_REGS_DATA(WTCRAH,0x27)
-INIT_REGS_DATA(WTCRAL,0x77)
-INIT_REGS_DATA(WTCRBH,0x71)
-INIT_REGS_DATA(WTCRBL,0x22)
-INIT_REGS_DATA(CSACRH,0x80)
-INIT_REGS_DATA(CSACRL,0x80)
-INIT_REGS_DATA(BROMCRH,0xa0)
-INIT_REGS_DATA(BROMCRL,0xa0)
-INIT_REGS_DATA(P3DDR,0x3a)
-INIT_REGS_DATA(P3ODR,0x06)
-INIT_REGS_DATA(PADDR,0xff)
-INIT_REGS_DATA(PFDDR,0xfe)
-INIT_REGS_DATA(PGDDR,0x0f)
-INIT_REGS_DATA(PHDDR,0x0f)
-INIT_REGS_DATA(PFCR0,0xff)
-INIT_REGS_DATA(PFCR2,0x0d)
-INIT_REGS_DATA(ITSR, 0x00)
-INIT_REGS_DATA(ITSR+1,0x3f)
-INIT_REGS_DATA(INTCR,0x20)
-
- .word 0
-
-gpio_table:
- ;; P1DDR
- .byte 0x00,0x00
- ;; P2DDR
- .byte 0x00,0x00
- ;; P3DDR
- .byte 0x00,0x00
- ;; dummy
- .byte 0x00,0x00
- ;; P5DDR
- .byte 0x00,0x00
- ;; P6DDR
- .byte 0x00,0x00
- ;; P7DDR
- .byte 0x00,0x00
- ;; P8DDR
- .byte 0x00,0x00
- ;; dummy
- .byte 0x00,0x00
- ;; PADDR
- .byte 0x00,0x00
- ;; PBDDR
- .byte 0x00,0x00
- ;; PCDDR
- .byte 0x00,0x00
- ;; PDDDR
- .byte 0x00,0x00
- ;; PEDDR
- .byte 0x00,0x00
- ;; PFDDR
- .byte 0x00,0x00
- ;; PGDDR
- .byte 0x00,0x00
- ;; PHDDR
- .byte 0x00,0x00
-
- .section .rodata
-__target_name:
- .asciz "EDOSK-2674"
-
- .section .bss
-__command_line:
- .space 512
-
- /* interrupt vector */
- .section .vectors,"ax"
- .long __start
- .long __start
-vector = 2
- .rept 126
- .long _interrupt_redirect_table+vector*4
-vector = vector + 1
- .endr