1 files changed, 118 insertions, 0 deletions
diff --git a/arch/arm/plat-s5p/dev-tmu.c b/arch/arm/plat-s5p/dev-tmu.c
new file mode 100644
index 0000000..ea330cd
--- /dev/null
+++ b/arch/arm/plat-s5p/dev-tmu.c
@@ -0,0 +1,118 @@
+/* linux/arch/arm/plat-s5p/dev-tmu.c
+ *
+ * Copyright 2009 by SAMSUNG
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#include <asm/irq.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+#include <plat/devs.h>
+#include <plat/s5p-tmu.h>
+
+static struct resource s5p_tmu_resource[] = {
+	[0] = {
+		.start	= S5P_PA_TMU,
+		.end	= S5P_PA_TMU + 0xFFFF - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_TMU,
+		.end	= IRQ_TMU,
+		.flags	= IORESOURCE_IRQ,
+	}
+};
+
+struct platform_device s5p_device_tmu = {
+	.name	= "s5p-tmu",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(s5p_tmu_resource),
+	.resource	= s5p_tmu_resource,
+};
+
+/*
+ * The below temperature value is derived from testing smdk4x12 board
+ * in chamber
+ * 78 degree  : threshold temp
+ * 87 degree  : throttling temperature
+ * 103 degree : Waring temperature
+ * 110 degree : Tripping temperature
+ * 85 degree  : Memory throttling
+ * 120 degree : To protect chip,forcely kernel panic
+*/
+static struct s5p_platform_tmu default_tmu_data __initdata = {
+	.ts = {
+		.stop_1st_throttle  = 78,
+		.start_1st_throttle = 80,
+		.stop_2nd_throttle  = 87,
+		.start_2nd_throttle = 103,
+		.start_tripping     = 110,
+		.start_emergency    = 120,
+		.stop_mem_throttle  = 80,
+		.start_mem_throttle = 85,
+	},
+	.cpufreq = {
+		.limit_1st_throttle = 800000,
+		.limit_2nd_throttle = 200000,
+	},
+	.mp = {
+		.rclk = 24000000,
+		.period_bank_refresh = 3900,
+	},
+	.cfg = {
+		.mode  = 1,
+		.slope = 80,
+		.sampling_rate   = 1000,
+		.monitoring_rate = 10000,
+	},
+};
+
+int s5p_tmu_get_irqno(int num)
+{
+	return platform_get_irq(&s5p_device_tmu, num);
+}
+
+struct s5p_tmu *s5p_tmu_get_platdata(void)
+{
+	return platform_get_drvdata(&s5p_device_tmu);
+}
+
+void __init s5p_tmu_set_platdata(struct s5p_platform_tmu *pd)
+{
+	struct s5p_platform_tmu *npd;
+
+	npd = kmalloc(sizeof(struct s5p_platform_tmu), GFP_KERNEL);
+	if (!npd) {
+		printk(KERN_ERR "%s: no memory for platform data\n", __func__);
+	} else {
+		if (!pd->ts.stop_1st_throttle)
+			memcpy(&npd->ts, &default_tmu_data.ts,
+				sizeof(struct temperature_params));
+		else
+			memcpy(&npd->ts, &pd->ts,
+				sizeof(struct temperature_params));
+
+		if (!(pd->cpufreq.limit_1st_throttle))
+			memcpy(&npd->cpufreq, &default_tmu_data.cpufreq,
+				sizeof(struct cpufreq_params));
+		else
+			memcpy(&npd->cpufreq, &pd->cpufreq,
+				 sizeof(struct cpufreq_params));
+
+		if (pd->temp_compensate.arm_volt)
+			memcpy(&npd->temp_compensate, &pd->temp_compensate,
+				 sizeof(struct temp_compensate_params));
+
+		s5p_device_tmu.dev.platform_data = npd;
+	}
+}