X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=cpu%2Farm926ejs%2Fstart.S;h=a61fa1847ded92ffeb3101c2a736091f2e4065c4;hb=b5b7db9c87624af7a4f1342c5828c76fdde17ed9;hp=0c28927ba0b6c69904569ac8300cf8098dc1c397;hpb=f6e20fc6ca5a45316f94743d8b60dce4d9766bc8;p=oweals%2Fu-boot.git

diff --git a/cpu/arm926ejs/start.S b/cpu/arm926ejs/start.S
index 0c28927ba0..a61fa1847d 100644
--- a/cpu/arm926ejs/start.S
+++ b/cpu/arm926ejs/start.S
@@ -3,7 +3,7 @@
  *
  *  Copyright (c) 2003  Texas Instruments
  *
- *  ----- Adapted for OMAP1610 from ARM925t code ------
+ *  ----- Adapted for OMAP1610 OMAP730 from ARM925t code ------
  *
  *  Copyright (c) 2001	Marius Gröger <mag@sysgo.de>
  *  Copyright (c) 2002	Alex Züpke <azu@sysgo.de>
@@ -36,6 +36,8 @@
 
 #if defined(CONFIG_OMAP1610)
 #include <./configs/omap1510.h>
+#elif defined(CONFIG_OMAP730)
+#include <./configs/omap730.h>
 #endif
 
 /*
@@ -133,35 +135,15 @@ reset:
 	orr	r0,r0,#0xd3
 	msr	cpsr,r0
 
-
-	/*
-	 * turn off the watchdog, unlock/diable sequence
-	 */
-	mov	r1, #0xF5
-	ldr	r0, =WDTIM_MODE
-	strh	r1, [r0]
-	mov	r1, #0xA0
-	strh	r1, [r0]
-
-
-	/*
-	 * mask all IRQs by setting all bits in the INTMR - default
-	 */
-
-	mov	r1, #0xffffffff
-	ldr	r0, =REG_IHL1_MIR
-	str	r1, [r0]
-	ldr	r0, =REG_IHL2_MIR
-	str	r1, [r0]
-
 	/*
 	 * we do sys-critical inits only at reboot,
 	 * not when booting from ram!
 	 */
-#ifdef CONFIG_INIT_CRITICAL
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
 	bl	cpu_init_crit
 #endif
 
+#ifndef CONFIG_SKIP_RELOCATE_UBOOT
 relocate:				/* relocate U-Boot to RAM	    */
 	adr	r0, _start		/* r0 <- current position of code   */
 	ldr	r1, _TEXT_BASE		/* test if we run from flash or RAM */
@@ -178,6 +160,7 @@ copy_loop:
 	stmia	r1!, {r3-r10}		/* copy to   target address [r1]    */
 	cmp	r0, r2			/* until source end addreee [r2]    */
 	ble	copy_loop
+#endif	/* CONFIG_SKIP_RELOCATE_UBOOT */
 
 	/* Set up the stack						    */
 stack_setup:
@@ -191,14 +174,16 @@ stack_setup:
 
 clear_bss:
 	ldr	r0, _bss_start		/* find start of bss segment        */
-	add	r0, r0, #4		/* start at first byte of bss       */
 	ldr	r1, _bss_end		/* stop here                        */
-	mov 	r2, #0x00000000		/* clear                            */
+	mov	r2, #0x00000000		/* clear                            */
 
 clbss_l:str	r2, [r0]		/* clear loop...                    */
 	add	r0, r0, #4
 	cmp	r0, r1
-	bne	clbss_l
+	ble	clbss_l
+
+	bl coloured_LED_init
+	bl red_LED_on
 
 	ldr	pc, _start_armboot
 
@@ -216,8 +201,7 @@ _start_armboot:
  *
  *************************************************************************
  */
-
-
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
 cpu_init_crit:
 	/*
 	 * flush v4 I/D caches
@@ -240,9 +224,11 @@ cpu_init_crit:
 	 * Go setup Memory and board specific bits prior to relocation.
 	 */
 	mov	ip, lr		/* perserve link reg across call */
-	bl	platformsetup	/* go setup pll,mux,memory */
+	bl	lowlevel_init	/* go setup pll,mux,memory */
 	mov	lr, ip		/* restore link */
 	mov	pc, lr		/* back to my caller */
+#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
+
 /*
  *************************************************************************
  *
@@ -384,7 +370,7 @@ not_used:
 irq:
 	get_irq_stack
 	irq_save_user_regs
-	bl 	do_irq
+	bl	do_irq
 	irq_restore_user_regs
 
 	.align	5
@@ -392,7 +378,7 @@ fiq:
 	get_fiq_stack
 	/* someone ought to write a more effiction fiq_save_user_regs */
 	irq_save_user_regs
-	bl 	do_fiq
+	bl	do_fiq
 	irq_restore_user_regs
 
 #else
@@ -410,18 +396,3 @@ fiq:
 	bl	do_fiq
 
 #endif
-
-	.align	5
-.globl reset_cpu
-reset_cpu:
-	ldr	r1, rstctl1	/* get clkm1 reset ctl */
-	mov	r3, #0x0
-	strh	r3, [r1]	/* clear it */
-	mov	r3, #0x8
-	strh	r3, [r1]	/* force dsp+arm reset */
-_loop_forever:
-	b	_loop_forever
-
-
-rstctl1:
-	.word	0xfffece10