X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=cpu%2Farm925t%2Fstart.S;h=567e80479e2f68fdd5f75cf1052bd1aa57121e9f;hb=10a451cd57cffbca875c97bbd8929059c5627ec6;hp=134a57639e25b24e3011205fb22956f294ba6f23;hpb=356a0d9f3123b57392935febd300ce32e63f1278;p=oweals%2Fu-boot.git

diff --git a/cpu/arm925t/start.S b/cpu/arm925t/start.S
index 134a57639e..567e80479e 100644
--- a/cpu/arm925t/start.S
+++ b/cpu/arm925t/start.S
@@ -7,9 +7,9 @@
  *
  *  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>
+ *  Copyright (c) 2003	Kshitij	 <kshitij@ti.com>
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -164,10 +164,11 @@ poll1:
 	 * 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 */
@@ -184,12 +185,13 @@ 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
@@ -198,12 +200,12 @@ stack_setup:
 clear_bss:
 	ldr	r0, _bss_start		/* find start of bss segment        */
 	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
 
 	ldr	pc, _start_armboot
 
@@ -244,7 +246,7 @@ 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 */
 /*
@@ -293,8 +295,8 @@ 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
 	ldmia	r2, {r2 - r3}                   @ get values for "aborted" pc and cpsr (into parm regs)
 	add	r0, sp, #S_FRAME_SIZE		@ grab pointer to old stack
 
@@ -326,8 +328,8 @@ 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
@@ -355,31 +357,31 @@ cpu_init_crit:
 undefined_instruction:
 	get_bad_stack
 	bad_save_user_regs
-	bl 	do_undefined_instruction
+	bl	do_undefined_instruction
 
 	.align	5
 software_interrupt:
 	get_bad_stack
 	bad_save_user_regs
-	bl 	do_software_interrupt
+	bl	do_software_interrupt
 
 	.align	5
 prefetch_abort:
 	get_bad_stack
 	bad_save_user_regs
-	bl 	do_prefetch_abort
+	bl	do_prefetch_abort
 
 	.align	5
 data_abort:
 	get_bad_stack
 	bad_save_user_regs
-	bl 	do_data_abort
+	bl	do_data_abort
 
 	.align	5
 not_used:
 	get_bad_stack
 	bad_save_user_regs
-	bl 	do_not_used
+	bl	do_not_used
 
 #ifdef CONFIG_USE_IRQ
 
@@ -387,7 +389,7 @@ not_used:
 irq:
 	get_irq_stack
 	irq_save_user_regs
-	bl 	do_irq
+	bl	do_irq
 	irq_restore_user_regs
 
 	.align	5
@@ -395,7 +397,7 @@ 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
@@ -404,13 +406,13 @@ fiq:
 irq:
 	get_bad_stack
 	bad_save_user_regs
-	bl 	do_irq
+	bl	do_irq
 
 	.align	5
 fiq:
 	get_bad_stack
 	bad_save_user_regs
-	bl 	do_fiq
+	bl	do_fiq
 
 #endif