[PATCH 08/13] ARM: OMAP5: Add the WakeupGen IP updates.

On Saturday 05 May 2012 04:25 AM, Tony Lindgren wrote:

* R Sricharan [off-list ref] [120503 00:30]:

quoted

--- a/arch/arm/mach-omap2/omap-hotplug.c
+++ b/arch/arm/mach-omap2/omap-hotplug.c

@@ -17,8 +17,10 @@
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/smp.h>
+#include <linux/io.h>
 
 #include <asm/cacheflush.h>
+#include <mach/omap-wakeupgen.h>
 
 #include "common.h"
 

@@ -35,7 +37,8 @@ int platform_cpu_kill(unsigned int cpu)
  */
 void __ref platform_cpu_die(unsigned int cpu)
 {
-	unsigned int this_cpu;
+	unsigned int boot_cpu = 0;
+	void __iomem *base = omap_get_wakeupgen_base();
 
 	flush_cache_all();
 	dsb();

@@ -43,16 +46,27 @@ void __ref platform_cpu_die(unsigned int cpu)
 	/*
 	 * we're ready for shutdown now, so do it
 	 */
-	if (omap_modify_auxcoreboot0(0x0, 0x200) != 0x0)
-		pr_err("Secure clear status failed\n");
+	if (cpu_is_omap44xx()) {
+		if (omap_modify_auxcoreboot0(0x0, 0x200) != 0x0)
+			pr_err("Secure clear status failed\n");
+	} else {
+		__raw_writel(0, base + OMAP_AUX_CORE_BOOT_0);
+	}
+
 
 	for (;;) {
 		/*
 		 * Enter into low power state
 		 */
 		omap4_hotplug_cpu(cpu, PWRDM_POWER_OFF);
-		this_cpu = smp_processor_id();
-		if (omap_read_auxcoreboot0() == this_cpu) {
+
+		if (cpu_is_omap44xx())
+			boot_cpu = omap_read_auxcoreboot0();
+		else
+			boot_cpu =
+				__raw_readl(base + OMAP_AUX_CORE_BOOT_0) >> 5;
+
+		if (boot_cpu == smp_processor_id()) {
 			/*
 			 * OK, proper wakeup, we're done
 			 */

These should use variables set up during init instead of cpu_is_omapxxx
checks.

Sounds good. Will fit it.

Regards
Santosh