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Subject[PATCH] N900: fix operation on emulator
Errata workarounds for N900 hardware actually break operation on
emulator. Fix it.

This approach was suggested by Pali Rohár <pali.rohar@gmail.com>
(thanks!).

(Also explain what "sleep_ind" led actually does).

Signed-off-by: Pavel Machek <pavel@ucw.cz>

diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c
index 74f83a5..81f7b9f 100644
--- a/arch/arm/mach-omap2/board-rx51.c
+++ b/arch/arm/mach-omap2/board-rx51.c
@@ -33,9 +33,12 @@
#include "pm.h"
#include "sdram-nokia.h"
#include "board-rx51-secure.h"
+#include "soc.h"

#define RX51_GPIO_SLEEP_IND 162

+/* This lights up left part of keyboard */
+
static struct gpio_led gpio_leds[] = {
{
.name = "sleep_ind",
@@ -107,9 +110,11 @@ static void __init rx51_init(void)
rx51_camera_init();

#ifdef CONFIG_ARM_ERRATA_430973
- printk(KERN_INFO "RX-51: Enabling ARM errata 430973 workaround.\n");
- /* set IBE to 1 */
- rx51_secure_update_aux_cr(1 << 6, 0);
+ if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
+ printk(KERN_INFO "RX-51: Enabling ARM errata 430973 workaround.\n");
+ /* set IBE to 1 */
+ rx51_secure_update_aux_cr(1 << 6, 0);
+ }
#endif

/* Ensure SDRC pins are mux'd for self-refresh */
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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