1 files changed, 0 insertions, 352 deletions
diff --git a/arch/openrisc/cpu/start.S b/arch/openrisc/cpu/start.S
deleted file mode 100644
index 1ae3b75f3b..0000000000
--- a/arch/openrisc/cpu/start.S
+++ /dev/null
@@ -1,352 +0,0 @@
-/*
- * (C) Copyright 2011, Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
- * (C) Copyright 2011, Julius Baxter <julius@opencores.org>
- * (C) Copyright 2014, Franck Jullien <franck.jullien@gmail.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <config.h>
-#include <asm-offsets.h>
-#include <asm/spr-defs.h>
-
-#define EXCEPTION_STACK_SIZE (128+128)
-
-#define HANDLE_EXCEPTION			\
-	l.addi	r1, r1, -EXCEPTION_STACK_SIZE	;\
-	l.sw	0x00(r1), r2			;\
-	l.sw	0x1c(r1), r9			;\
-	l.movhi r2,hi(_exception_handler)       ;\
-	l.ori   r2,r2,lo(_exception_handler)    ;\
-	l.jalr	r2              		;\
-	 l.nop					;\
-	l.lwz 	r9, 0x1c(r1)			;\
-	l.addi	r1, r1, EXCEPTION_STACK_SIZE	;\
-	l.rfe					;\
-	 l.nop
-
-	.section .vectors, "ax"
-	.global __reset
-
-	/* reset */
-	.org	0x100
-__reset:
-	/* there is no guarantee r0 is hardwired to zero, clear it here */
-	l.andi	r0, r0, 0
-	/* reset stack and frame pointers */
-	l.andi	r1, r0, 0
-	l.andi	r2, r0, 0
-
-	/* set supervisor mode */
-	l.ori	r3,r0,SPR_SR_SM
-	l.mtspr	r0,r3,SPR_SR
-
-	l.jal	_cur
-	l.nop
-_cur:
-	l.ori	r8, r9, 0		/* Get _cur current address */
-
-	l.movhi	r3, hi(_cur)
-	l.ori	r3, r3, lo(_cur)
-	l.sfeq	r8, r3			/* If we are running at the linked address */
-	l.bf	_no_vector_reloc	/* there is not need for relocation */
-	 l.sub	r8, r8, r3
-
-	l.mfspr	r4, r0, SPR_CPUCFGR
-	l.andi	r4, r4, SPR_CPUCFGR_EVBARP	/* Exception Vector Base Address Register present ? */
-	l.sfnei	r4,0
-	l.bnf	_reloc_vectors
-	l.movhi	r5, 0			/* Destination */
-
-	l.mfspr	r4, r0, SPR_EVBAR
-	l.add	r5, r5, r4
-
-_reloc_vectors:
-	/* Relocate vectors*/
-	l.movhi	r5, 0			/* Destination */
-	l.movhi	r6, hi(__start)		/* Length */
-	l.ori	r6, r6, lo(__start)
-	l.ori	r3, r8, 0
-
-.L_relocvectors:
-	l.lwz	r7, 0(r3)
-	l.sw	0(r5), r7
-	l.addi	r5, r5, 4
-	l.sfeq	r5, r6
-	l.bnf	.L_relocvectors
-	 l.addi	r3, r3, 4
-
-_no_vector_reloc:
-
-	/* Relocate u-boot */
-	l.movhi	r3,hi(__start)		/* source start offset */
-	l.ori	r3,r3,lo(__start)
-	l.add	r3,r8,r3
-
-	l.movhi	r4,hi(_stext)		/* dest start address */
-	l.ori	r4,r4,lo(_stext)
-	l.movhi	r5,hi(__end)		/* dest end address */
-	l.ori	r5,r5,lo(__end)
-
-.L_reloc:
-	l.lwz	r6,0(r3)
-	l.sw	0(r4),r6
-	l.addi	r3,r3,4
-	l.sfltu	r4,r5
-	l.bf	.L_reloc
-	 l.addi	r4,r4,4			/* delay slot */
-
-	l.movhi	r4,hi(_start)
-	l.ori	r4,r4,lo(_start)
-	l.jr	r4
-	 l.nop
-
-	/* bus error */
-	.org	0x200
-	HANDLE_EXCEPTION
-
-	/* data page fault */
-	.org	0x300
-	HANDLE_EXCEPTION
-
-	/* instruction page fault */
-	.org	0x400
-	HANDLE_EXCEPTION
-
-	/* tick timer */
-	.org	0x500
-	HANDLE_EXCEPTION
-
-	/* alignment */
-	.org	0x600
-	HANDLE_EXCEPTION
-
-	/* illegal instruction */
-	.org	0x700
-	HANDLE_EXCEPTION
-
-	/* external interrupt */
-	.org	0x800
-	HANDLE_EXCEPTION
-
-	/* D-TLB miss */
-	.org	0x900
-	HANDLE_EXCEPTION
-
-	/* I-TLB miss */
-	.org	0xa00
-	HANDLE_EXCEPTION
-
-	/* range */
-	.org	0xb00
-	HANDLE_EXCEPTION
-
-	/* system call */
-	.org	0xc00
-	HANDLE_EXCEPTION
-
-	/* floating point */
-	.org	0xd00
-	HANDLE_EXCEPTION
-
-	/* trap */
-	.org	0xe00
-	HANDLE_EXCEPTION
-
-	/* reserved */
-	.org	0xf00
-	HANDLE_EXCEPTION
-
-	/* reserved */
-	.org	0x1100
-	HANDLE_EXCEPTION
-
-	/* reserved */
-	.org	0x1200
-	HANDLE_EXCEPTION
-
-	/* reserved */
-	.org	0x1300
-	HANDLE_EXCEPTION
-
-	/* reserved */
-	.org	0x1400
-	HANDLE_EXCEPTION
-
-	/* reserved */
-	.org	0x1500
-	HANDLE_EXCEPTION
-
-	/* reserved */
-	.org	0x1600
-	HANDLE_EXCEPTION
-
-	/* reserved */
-	.org	0x1700
-	HANDLE_EXCEPTION
-
-	/* reserved */
-	.org	0x1800
-	HANDLE_EXCEPTION
-
-	/* reserved */
-	.org	0x1900
-	HANDLE_EXCEPTION
-
-	/* reserved */
-	.org	0x1a00
-	HANDLE_EXCEPTION
-
-	/* reserved */
-	.org	0x1b00
-	HANDLE_EXCEPTION
-
-	/* reserved */
-	.org	0x1c00
-	HANDLE_EXCEPTION
-
-	/* reserved */
-	.org	0x1d00
-	HANDLE_EXCEPTION
-
-	/* reserved */
-	.org	0x1e00
-	HANDLE_EXCEPTION
-
-	/* reserved */
-	.org	0x1f00
-	HANDLE_EXCEPTION
-
-	/* Startup routine */
-	.text
-	.global _start
-_start:
-	/* Init stack and frame pointers */
-	l.movhi	r1, hi(CONFIG_SYS_INIT_SP_ADDR)
-	l.ori	r1, r1, lo(CONFIG_SYS_INIT_SP_ADDR)
-	l.or	r2, r0, r1
-
-	/* clear BSS segments */
-	l.movhi	r4, hi(_bss_start)
-	l.ori	r4, r4, lo(_bss_start)
-	l.movhi	r5, hi(_bss_end)
-	l.ori	r5, r5, lo(_bss_end)
-.L_clear_bss:
-	l.sw	0(r4), r0
-	l.sfltu	r4,r5
-	l.bf	.L_clear_bss
-	 l.addi	r4,r4,4
-
-	/* Reset registers before jumping to board_init */
-	l.andi	r3, r0, 0
-	l.andi	r4, r0, 0
-	l.andi	r5, r0, 0
-	l.andi	r6, r0, 0
-	l.andi	r7, r0, 0
-	l.andi	r8, r0, 0
-	l.andi	r9, r0, 0
-	l.andi	r10, r0, 0
-	l.andi	r11, r0, 0
-	l.andi	r12, r0, 0
-	l.andi	r13, r0, 0
-	l.andi	r14, r0, 0
-	l.andi	r15, r0, 0
-	l.andi	r17, r0, 0
-	l.andi	r18, r0, 0
-	l.andi	r19, r0, 0
-	l.andi	r20, r0, 0
-	l.andi	r21, r0, 0
-	l.andi	r22, r0, 0
-	l.andi	r23, r0, 0
-	l.andi	r24, r0, 0
-	l.andi	r25, r0, 0
-	l.andi	r26, r0, 0
-	l.andi	r27, r0, 0
-	l.andi	r28, r0, 0
-	l.andi	r29, r0, 0
-	l.andi	r30, r0, 0
-	l.andi	r31, r0, 0
-
-	l.j	board_init
-	 l.nop
-
-	.size	_start, .-_start
-
-/*
- * Store state onto stack and call the real exception handler
- */
-	.section .text
-	.extern	exception_handler
-	.type	_exception_handler,@function
-
-_exception_handler:
-	/* Store state (r2 and r9 already saved)*/
-	l.sw	0x04(r1), r3
-	l.sw	0x08(r1), r4
-	l.sw	0x0c(r1), r5
-	l.sw	0x10(r1), r6
-	l.sw	0x14(r1), r7
-	l.sw	0x18(r1), r8
-	l.sw	0x20(r1), r10
-	l.sw	0x24(r1), r11
-	l.sw	0x28(r1), r12
-	l.sw	0x2c(r1), r13
-	l.sw	0x30(r1), r14
-	l.sw	0x34(r1), r15
-	l.sw	0x38(r1), r16
-	l.sw	0x3c(r1), r17
-	l.sw	0x40(r1), r18
-	l.sw	0x44(r1), r19
-	l.sw	0x48(r1), r20
-	l.sw	0x4c(r1), r21
-	l.sw	0x50(r1), r22
-	l.sw	0x54(r1), r23
-	l.sw	0x58(r1), r24
-	l.sw	0x5c(r1), r25
-	l.sw	0x60(r1), r26
-	l.sw	0x64(r1), r27
-	l.sw	0x68(r1), r28
-	l.sw	0x6c(r1), r29
-	l.sw	0x70(r1), r30
-	l.sw	0x74(r1), r31
-
-	/* Save return address */
-	l.or	r14, r0, r9
-	/* Call exception handler with the link address as argument */
-	l.jal	exception_handler
-	 l.or	r3, r0, r14
-	/* Load return address */
-	l.or	r9, r0, r14
-
-	/* Restore state */
-	l.lwz	r2, 0x00(r1)
-	l.lwz	r3, 0x04(r1)
-	l.lwz	r4, 0x08(r1)
-	l.lwz	r5, 0x0c(r1)
-	l.lwz	r6, 0x10(r1)
-	l.lwz	r7, 0x14(r1)
-	l.lwz	r8, 0x18(r1)
-	l.lwz	r10, 0x20(r1)
-	l.lwz	r11, 0x24(r1)
-	l.lwz	r12, 0x28(r1)
-	l.lwz	r13, 0x2c(r1)
-	l.lwz	r14, 0x30(r1)
-	l.lwz	r15, 0x34(r1)
-	l.lwz	r16, 0x38(r1)
-	l.lwz	r17, 0x3c(r1)
-	l.lwz	r18, 0x40(r1)
-	l.lwz	r19, 0x44(r1)
-	l.lwz	r20, 0x48(r1)
-	l.lwz	r21, 0x4c(r1)
-	l.lwz	r22, 0x50(r1)
-	l.lwz	r23, 0x54(r1)
-	l.lwz	r24, 0x58(r1)
-	l.lwz	r25, 0x5c(r1)
-	l.lwz	r26, 0x60(r1)
-	l.lwz	r27, 0x64(r1)
-	l.lwz	r28, 0x68(r1)
-	l.lwz	r29, 0x6c(r1)
-	l.lwz	r30, 0x70(r1)
-	l.lwz	r31, 0x74(r1)
-	l.jr	r9
-	 l.nop