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-rw-r--r--arch/arm/mach-omap2/opp3xxx_data.c107
1 files changed, 107 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/opp3xxx_data.c b/arch/arm/mach-omap2/opp3xxx_data.c
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+++ b/arch/arm/mach-omap2/opp3xxx_data.c
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+/*
+ * OMAP3 OPP table definitions.
+ *
+ * Copyright (C) 2009-2010 Texas Instruments Incorporated - http://www.ti.com/
+ * Nishanth Menon
+ * Kevin Hilman
+ * Copyright (C) 2010 Nokia Corporation.
+ * Eduardo Valentin
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+#include <linux/module.h>
+
+#include <plat/cpu.h>
+
+#include "omap_opp_data.h"
+
+static struct omap_opp_def __initdata omap34xx_opp_def_list[] = {
+ /* MPU OPP1 */
+ OPP_INITIALIZER("mpu", true, 125000000, 975000),
+ /* MPU OPP2 */
+ OPP_INITIALIZER("mpu", true, 250000000, 1075000),
+ /* MPU OPP3 */
+ OPP_INITIALIZER("mpu", true, 500000000, 1200000),
+ /* MPU OPP4 */
+ OPP_INITIALIZER("mpu", true, 550000000, 1270000),
+ /* MPU OPP5 */
+ OPP_INITIALIZER("mpu", true, 600000000, 1350000),
+
+ /*
+ * L3 OPP1 - 41.5 MHz is disabled because: The voltage for that OPP is
+ * almost the same than the one at 83MHz thus providing very little
+ * gain for the power point of view. In term of energy it will even
+ * increase the consumption due to the very negative performance
+ * impact that frequency will do to the MPU and the whole system in
+ * general.
+ */
+ OPP_INITIALIZER("l3_main", false, 41500000, 975000),
+ /* L3 OPP2 */
+ OPP_INITIALIZER("l3_main", true, 83000000, 1050000),
+ /* L3 OPP3 */
+ OPP_INITIALIZER("l3_main", true, 166000000, 1150000),
+
+ /* DSP OPP1 */
+ OPP_INITIALIZER("iva", true, 90000000, 975000),
+ /* DSP OPP2 */
+ OPP_INITIALIZER("iva", true, 180000000, 1075000),
+ /* DSP OPP3 */
+ OPP_INITIALIZER("iva", true, 360000000, 1200000),
+ /* DSP OPP4 */
+ OPP_INITIALIZER("iva", true, 400000000, 1270000),
+ /* DSP OPP5 */
+ OPP_INITIALIZER("iva", true, 430000000, 1350000),
+};
+
+static struct omap_opp_def __initdata omap36xx_opp_def_list[] = {
+ /* MPU OPP1 - OPP50 */
+ OPP_INITIALIZER("mpu", true, 300000000, 1012500),
+ /* MPU OPP2 - OPP100 */
+ OPP_INITIALIZER("mpu", true, 600000000, 1200000),
+ /* MPU OPP3 - OPP-Turbo */
+ OPP_INITIALIZER("mpu", false, 800000000, 1325000),
+ /* MPU OPP4 - OPP-SB */
+ OPP_INITIALIZER("mpu", false, 1000000000, 1375000),
+
+ /* L3 OPP1 - OPP50 */
+ OPP_INITIALIZER("l3_main", true, 100000000, 1000000),
+ /* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */
+ OPP_INITIALIZER("l3_main", true, 200000000, 1200000),
+
+ /* DSP OPP1 - OPP50 */
+ OPP_INITIALIZER("iva", true, 260000000, 1012500),
+ /* DSP OPP2 - OPP100 */
+ OPP_INITIALIZER("iva", true, 520000000, 1200000),
+ /* DSP OPP3 - OPP-Turbo */
+ OPP_INITIALIZER("iva", false, 660000000, 1325000),
+ /* DSP OPP4 - OPP-SB */
+ OPP_INITIALIZER("iva", false, 800000000, 1375000),
+};
+
+/**
+ * omap3_opp_init() - initialize omap3 opp table
+ */
+static int __init omap3_opp_init(void)
+{
+ int r = -ENODEV;
+
+ if (!cpu_is_omap34xx())
+ return r;
+
+ if (cpu_is_omap3630())
+ r = omap_init_opp_table(omap36xx_opp_def_list,
+ ARRAY_SIZE(omap36xx_opp_def_list));
+ else
+ r = omap_init_opp_table(omap34xx_opp_def_list,
+ ARRAY_SIZE(omap34xx_opp_def_list));
+
+ return r;
+}
+device_initcall(omap3_opp_init);