X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=cpu%2Farm_cortexa8%2Fcpu.c;h=a01e0d605ff8fc6397687cc6d7c8de9508143b21;hb=da0e5f7ee828f246d85997486fff308837069453;hp=506dbec173201da98b3fcfc8c63b76a159f17620;hpb=677e62f43235de9a1701204d7bcea0fb3d233fa1;p=oweals%2Fu-boot.git

diff --git a/cpu/arm_cortexa8/cpu.c b/cpu/arm_cortexa8/cpu.c
index 506dbec173..a01e0d605f 100644
--- a/cpu/arm_cortexa8/cpu.c
+++ b/cpu/arm_cortexa8/cpu.c
@@ -6,7 +6,7 @@
  * Marius Groeger <mgroeger@sysgo.de>
  *
  * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -33,39 +33,14 @@
 
 #include <common.h>
 #include <command.h>
-#include <asm/arch/sys_proto.h>
 #include <asm/system.h>
-
-#ifdef CONFIG_USE_IRQ
-DECLARE_GLOBAL_DATA_PTR;
-#endif
-
+#include <asm/cache.h>
 #ifndef CONFIG_L2_OFF
-void l2cache_disable(void);
+#include <asm/arch/sys_proto.h>
 #endif
 
 static void cache_flush(void);
 
-static void cp_delay(void)
-{
-	/* Many OMAP regs need at least 2 nops */
-	asm("nop");
-	asm("nop");
-}
-
-int cpu_init(void)
-{
-	/*
-	 * setup up stacks if necessary
-	 */
-#ifdef CONFIG_USE_IRQ
-	IRQ_STACK_START =
-	    _armboot_start - CONFIG_SYS_MALLOC_LEN - CONFIG_SYS_GBL_DATA_SIZE - 4;
-	FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ;
-#endif
-	return 0;
-}
-
 int cleanup_before_linux(void)
 {
 	unsigned int i;
@@ -87,121 +62,21 @@ int cleanup_before_linux(void)
 
 #ifndef CONFIG_L2_OFF
 	/* turn off L2 cache */
-	l2cache_disable();
+	l2_cache_disable();
 	/* invalidate L2 cache also */
-	v7_flush_dcache_all(get_device_type());
+	invalidate_dcache(get_device_type());
 #endif
 	i = 0;
 	/* mem barrier to sync up things */
 	asm("mcr p15, 0, %0, c7, c10, 4": :"r"(i));
 
 #ifndef CONFIG_L2_OFF
-	l2cache_enable();
+	l2_cache_enable();
 #endif
 
 	return 0;
 }
 
-int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
-	disable_interrupts();
-	reset_cpu(0);
-
-	/* NOTREACHED */
-	return 0;
-}
-
-void icache_enable(void)
-{
-	ulong reg;
-
-	reg = get_cr();	/* get control reg. */
-	cp_delay();
-	set_cr(reg | CR_I);
-}
-
-void icache_disable(void)
-{
-	ulong reg;
-
-	reg = get_cr();
-	cp_delay();
-	set_cr(reg & ~CR_I);
-}
-
-void dcache_disable (void)
-{
-	ulong reg;
-
-	reg = get_cr ();
-	cp_delay ();
-	set_cr (reg & ~CR_C);
-}
-
-void l2cache_enable()
-{
-	unsigned long i;
-	volatile unsigned int j;
-
-	/* ES2 onwards we can disable/enable L2 ourselves */
-	if (get_cpu_rev() == CPU_3430_ES2) {
-		__asm__ __volatile__("mrc p15, 0, %0, c1, c0, 1":"=r"(i));
-		__asm__ __volatile__("orr %0, %0, #0x2":"=r"(i));
-		__asm__ __volatile__("mcr p15, 0, %0, c1, c0, 1":"=r"(i));
-	} else {
-		/* Save r0, r12 and restore them after usage */
-		__asm__ __volatile__("mov %0, r12":"=r"(j));
-		__asm__ __volatile__("mov %0, r0":"=r"(i));
-
-		/*
-		 * GP Device ROM code API usage here
-		 * r12 = AUXCR Write function and r0 value
-		 */
-		__asm__ __volatile__("mov r12, #0x3");
-		__asm__ __volatile__("mrc p15, 0, r0, c1, c0, 1");
-		__asm__ __volatile__("orr r0, r0, #0x2");
-		/* SMI instruction to call ROM Code API */
-		__asm__ __volatile__(".word 0xE1600070");
-		__asm__ __volatile__("mov r0, %0":"=r"(i));
-		__asm__ __volatile__("mov r12, %0":"=r"(j));
-	}
-
-}
-
-void l2cache_disable()
-{
-	unsigned long i;
-	volatile unsigned int j;
-
-	/* ES2 onwards we can disable/enable L2 ourselves */
-	if (get_cpu_rev() == CPU_3430_ES2) {
-		__asm__ __volatile__("mrc p15, 0, %0, c1, c0, 1":"=r"(i));
-		__asm__ __volatile__("bic %0, %0, #0x2":"=r"(i));
-		__asm__ __volatile__("mcr p15, 0, %0, c1, c0, 1":"=r"(i));
-	} else {
-		/* Save r0, r12 and restore them after usage */
-		__asm__ __volatile__("mov %0, r12":"=r"(j));
-		__asm__ __volatile__("mov %0, r0":"=r"(i));
-
-		/*
-		 * GP Device ROM code API usage here
-		 * r12 = AUXCR Write function and r0 value
-		 */
-		__asm__ __volatile__("mov r12, #0x3");
-		__asm__ __volatile__("mrc p15, 0, r0, c1, c0, 1");
-		__asm__ __volatile__("bic r0, r0, #0x2");
-		/* SMI instruction to call ROM Code API */
-		__asm__ __volatile__(".word 0xE1600070");
-		__asm__ __volatile__("mov r0, %0":"=r"(i));
-		__asm__ __volatile__("mov r12, %0":"=r"(j));
-	}
-}
-
-int icache_status(void)
-{
-	return (get_cr() & CR_I) != 0;
-}
-
 static void cache_flush(void)
 {
 	asm ("mcr p15, 0, %0, c7, c5, 0": :"r" (0));