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-rw-r--r--arch/arm/cpu/s3c44b0/start.S228
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diff --git a/arch/arm/cpu/s3c44b0/start.S b/arch/arm/cpu/s3c44b0/start.S
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--- a/arch/arm/cpu/s3c44b0/start.S
+++ /dev/null
@@ -1,228 +0,0 @@
-/*
- * Startup Code for S3C44B0 CPU-core
- *
- * (C) Copyright 2004
- * DAVE Srl
- *
- * http://www.dave-tech.it
- * http://www.wawnet.biz
- * mailto:info@wawnet.biz
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <asm-offsets.h>
-#include <config.h>
-#include <version.h>
-
-/*
- * Jump vector table
- */
-
-
-.globl _start
-_start: b reset
- add pc, pc, #0x0c000000
- add pc, pc, #0x0c000000
- add pc, pc, #0x0c000000
- add pc, pc, #0x0c000000
- add pc, pc, #0x0c000000
- add pc, pc, #0x0c000000
- add pc, pc, #0x0c000000
-
- .balignl 16,0xdeadbeef
-
-
-/*
- *************************************************************************
- *
- * Startup Code (reset vector)
- *
- * do important init only if we don't start from memory!
- * relocate u-boot to ram
- * setup stack
- * jump to second stage
- *
- *************************************************************************
- */
-
-.globl _TEXT_BASE
-_TEXT_BASE:
-#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE)
- .word CONFIG_SPL_TEXT_BASE
-#else
- .word CONFIG_SYS_TEXT_BASE
-#endif
-
-/*
- * These are defined in the board-specific linker script.
- * Subtracting _start from them lets the linker put their
- * relative position in the executable instead of leaving
- * them null.
- */
-.globl _bss_start_ofs
-_bss_start_ofs:
- .word __bss_start - _start
-
-.globl _bss_end_ofs
-_bss_end_ofs:
- .word __bss_end - _start
-
-.globl _end_ofs
-_end_ofs:
- .word _end - _start
-
-#ifdef CONFIG_USE_IRQ
-/* IRQ stack memory (calculated at run-time) */
-.globl IRQ_STACK_START
-IRQ_STACK_START:
- .word 0x0badc0de
-
-/* IRQ stack memory (calculated at run-time) */
-.globl FIQ_STACK_START
-FIQ_STACK_START:
- .word 0x0badc0de
-#endif
-
-/* IRQ stack memory (calculated at run-time) + 8 bytes */
-.globl IRQ_STACK_START_IN
-IRQ_STACK_START_IN:
- .word 0x0badc0de
-
-/*
- * the actual reset code
- */
-
-reset:
- /*
- * set the cpu to SVC32 mode
- */
- mrs r0,cpsr
- bic r0,r0,#0x1f
- orr r0,r0,#0xd3
- msr cpsr,r0
-
- /*
- * we do sys-critical inits only at reboot,
- * not when booting from ram!
- */
-#ifndef CONFIG_SKIP_LOWLEVEL_INIT
- bl cpu_init_crit
- /*
- * before relocating, we have to setup RAM timing
- * because memory timing is board-dependend, you will
- * find a lowlevel_init.S in your board directory.
- */
- bl lowlevel_init
-#endif
-
- bl _main
-
-/*------------------------------------------------------------------------------*/
-
- .globl c_runtime_cpu_setup
-c_runtime_cpu_setup:
-
- bx lr
-
-/*
- *************************************************************************
- *
- * CPU_init_critical registers
- *
- * setup important registers
- * setup memory timing
- *
- *************************************************************************
- */
-
-#define INTCON (0x01c00000+0x200000)
-#define INTMSK (0x01c00000+0x20000c)
-#define LOCKTIME (0x01c00000+0x18000c)
-#define PLLCON (0x01c00000+0x180000)
-#define CLKCON (0x01c00000+0x180004)
-#define WTCON (0x01c00000+0x130000)
-cpu_init_crit:
- /* disable watch dog */
- ldr r0, =WTCON
- ldr r1, =0x0
- str r1, [r0]
-
- /*
- * mask all IRQs by clearing all bits in the INTMRs
- */
- ldr r1,=INTMSK
- ldr r0, =0x03fffeff
- str r0, [r1]
-
- ldr r1, =INTCON
- ldr r0, =0x05
- str r0, [r1]
-
- /* Set Clock Control Register */
- ldr r1, =LOCKTIME
- ldrb r0, =800
- strb r0, [r1]
-
- ldr r1, =PLLCON
-
-#if CONFIG_S3C44B0_CLOCK_SPEED==66
- ldr r0, =0x34031 /* 66MHz (Quartz=11MHz) */
-#elif CONFIG_S3C44B0_CLOCK_SPEED==75
- ldr r0, =0x610c1 /*B2: Xtal=20mhz Fclk=75MHz */
-#else
-# error CONFIG_S3C44B0_CLOCK_SPEED undefined
-#endif
-
- str r0, [r1]
-
- ldr r1,=CLKCON
- ldr r0, =0x7ff8
- str r0, [r1]
-
- mov pc, lr
-
-
-/*************************************************/
-/* interrupt vectors */
-/*************************************************/
-real_vectors:
- b reset
- b undefined_instruction
- b software_interrupt
- b prefetch_abort
- b data_abort
- b not_used
- b irq
- b fiq
-
-/*************************************************/
-
-undefined_instruction:
- mov r6, #3
- b reset
-
-software_interrupt:
- mov r6, #4
- b reset
-
-prefetch_abort:
- mov r6, #5
- b reset
-
-data_abort:
- mov r6, #6
- b reset
-
-not_used:
- /* we *should* never reach this */
- mov r6, #7
- b reset
-
-irq:
- mov r6, #8
- b reset
-
-fiq:
- mov r6, #9
- b reset