OMAP3: RX-51: Pass cpu idle parameters

Pass cpuidle parameters for RX-51. Numbers based on
measurements made in October 2009 for PM optimized
kernel with CPU freq enabled. Assumes OPP2 (main
idle OPP, and worst case latencies).

Signed-off-by: Kalle Jokiniemi <kalle.jokiniemi@digia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c
index 26b70da..acfb898 100644 (file)
--- a/arch/arm/mach-omap2/board-rx51.c
+++ b/arch/arm/mach-omap2/board-rx51.c
@@ -31,6 +31,7 @@
 #include <plat/usb.h>
 
 #include "mux.h"
+#include "pm.h"
 
 #define RX51_GPIO_SLEEP_IND 162
 
@@ -56,6 +57,23 @@ static struct platform_device leds_gpio = {
        },
 };
 
+static struct cpuidle_params rx51_cpuidle_params[] = {
+       /* C1 */
+       {1, 110, 162, 5},
+       /* C2 */
+       {1, 106, 180, 309},
+       /* C3 */
+       {0, 107, 410, 46057},
+       /* C4 */
+       {0, 121, 3374, 46057},
+       /* C5 */
+       {1, 855, 1146, 46057},
+       /* C6 */
+       {0, 7580, 4134, 484329},
+       /* C7 */
+       {1, 7505, 15274, 484329},
+};
+
 static struct omap_lcd_config rx51_lcd_config = {
        .ctrl_name      = "internal",
 };
@@ -85,6 +103,7 @@ static void __init rx51_init_irq(void)
 
        omap_board_config = rx51_config;
        omap_board_config_size = ARRAY_SIZE(rx51_config);
+       omap3_pm_init_cpuidle(rx51_cpuidle_params);
        sdrc_params = rx51_get_sdram_timings();
        omap2_init_common_hw(sdrc_params, sdrc_params);
        omap_init_irq();