X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=cpu%2Farm926ejs%2Fstart.S;h=8043322583a8870869dfa67c768b60dcf0f020ef;hb=cb32ed1fc298875845f166d326a3f2704a0d5364;hp=ad5d84770e5651e4915e933635ef7ad00d2b706b;hpb=a56bd92289298bde16306bcc754277db45315d2f;p=oweals%2Fu-boot.git

diff --git a/cpu/arm926ejs/start.S b/cpu/arm926ejs/start.S
index ad5d84770e..8043322583 100644
--- a/cpu/arm926ejs/start.S
+++ b/cpu/arm926ejs/start.S
@@ -7,7 +7,7 @@
  *
  *  Copyright (c) 2001	Marius Gröger <mag@sysgo.de>
  *  Copyright (c) 2002	Alex Züpke <azu@sysgo.de>
- *  Copyright (c) 2002	Gary Jennejohn <gj@denx.de>
+ *  Copyright (c) 2002	Gary Jennejohn <garyj@denx.de>
  *  Copyright (c) 2003	Richard Woodruff <r-woodruff2@ti.com>
  *  Copyright (c) 2003	Kshitij <kshitij@ti.com>
  *
@@ -32,6 +32,7 @@
 
 
 #include <config.h>
+#include <common.h>
 #include <version.h>
 
 #if defined(CONFIG_OMAP1610)
@@ -139,10 +140,11 @@ reset:
 	 * 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 */
@@ -159,12 +161,13 @@ 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:
 	ldr	r0, _TEXT_BASE		/* upper 128 KiB: relocated uboot   */
-	sub	r0, r0, #CFG_MALLOC_LEN	/* malloc area                      */
-	sub	r0, r0, #CFG_GBL_DATA_SIZE /* bdinfo                        */
+	sub	r0, r0, #CONFIG_SYS_MALLOC_LEN	/* malloc area                      */
+	sub	r0, r0, #CONFIG_SYS_GBL_DATA_SIZE /* bdinfo                        */
 #ifdef CONFIG_USE_IRQ
 	sub	r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ)
 #endif
@@ -172,14 +175,16 @@ 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
 
@@ -197,8 +202,7 @@ _start_armboot:
  *
  *************************************************************************
  */
-
-
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
 cpu_init_crit:
 	/*
 	 * flush v4 I/D caches
@@ -221,9 +225,11 @@ 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 */
+
 /*
  *************************************************************************
  *
@@ -271,8 +277,8 @@ cpu_init_crit:
 	stmia	sp, {r0 - r12}	@ Save user registers (now in svc mode) r0-r12
 
 	ldr	r2, _armboot_start
-	sub	r2, r2, #(CONFIG_STACKSIZE+CFG_MALLOC_LEN)
-	sub	r2, r2, #(CFG_GBL_DATA_SIZE+8)  @ set base 2 words into abort stack
+	sub	r2, r2, #(CONFIG_STACKSIZE+CONFIG_SYS_MALLOC_LEN)
+	sub	r2, r2, #(CONFIG_SYS_GBL_DATA_SIZE+8)  @ set base 2 words into abort stack
 	@ get values for "aborted" pc and cpsr (into parm regs)
 	ldmia	r2, {r2 - r3}
 	add	r0, sp, #S_FRAME_SIZE		@ grab pointer to old stack
@@ -305,8 +311,8 @@ cpu_init_crit:
 
 	.macro get_bad_stack
 	ldr	r13, _armboot_start		@ setup our mode stack
-	sub	r13, r13, #(CONFIG_STACKSIZE+CFG_MALLOC_LEN)
-	sub	r13, r13, #(CFG_GBL_DATA_SIZE+8) @ reserved a couple spots in abort stack
+	sub	r13, r13, #(CONFIG_STACKSIZE+CONFIG_SYS_MALLOC_LEN)
+	sub	r13, r13, #(CONFIG_SYS_GBL_DATA_SIZE+8) @ reserved a couple spots in abort stack
 
 	str	lr, [r13]	@ save caller lr in position 0 of saved stack
 	mrs	lr, spsr	@ get the spsr
@@ -365,7 +371,7 @@ not_used:
 irq:
 	get_irq_stack
 	irq_save_user_regs
-	bl 	do_irq
+	bl	do_irq
 	irq_restore_user_regs
 
 	.align	5
@@ -373,7 +379,7 @@ 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
@@ -391,18 +397,3 @@ 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