Merge branch 'linus' into cpus4096

[pandora-kernel.git] / arch / arm / plat-omap / common.c

diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c
index 4f0f9c4..8d04929 100644 (file)
--- a/arch/arm/plat-omap/common.c
+++ b/arch/arm/plat-omap/common.c
@@ -26,12 +26,18 @@
 #include <asm/io.h>
 #include <asm/setup.h>
 
+#include <asm/arch/common.h>
 #include <asm/arch/board.h>
+#include <asm/arch/control.h>
 #include <asm/arch/mux.h>
 #include <asm/arch/fpga.h>
 
 #include <asm/arch/clock.h>
 
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+# include "../mach-omap2/sdrc.h"
+#endif
+
 #define NO_LENGTH_CHECK 0xffffffff
 
 unsigned char omap_bootloader_tag[512];
@@ -171,8 +177,8 @@ console_initcall(omap_add_serial_console);
 
 #if defined(CONFIG_ARCH_OMAP16XX)
 #define TIMER_32K_SYNCHRONIZED         0xfffbc410
-#elif defined(CONFIG_ARCH_OMAP24XX)
-#define TIMER_32K_SYNCHRONIZED         (OMAP24XX_32KSYNCT_BASE + 0x10)
+#elif defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#define TIMER_32K_SYNCHRONIZED         (OMAP2_32KSYNCT_BASE + 0x10)
 #endif
 
 #ifdef TIMER_32K_SYNCHRONIZED
@@ -193,12 +199,35 @@ static struct clocksource clocksource_32k = {
        .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
 };
 
+/*
+ * Rounds down to nearest nsec.
+ */
+unsigned long long omap_32k_ticks_to_nsecs(unsigned long ticks_32k)
+{
+       return cyc2ns(&clocksource_32k, ticks_32k);
+}
+
+/*
+ * Returns current time from boot in nsecs. It's OK for this to wrap
+ * around for now, as it's just a relative time stamp.
+ */
+unsigned long long sched_clock(void)
+{
+       return omap_32k_ticks_to_nsecs(omap_32k_read());
+}
+
 static int __init omap_init_clocksource_32k(void)
 {
        static char err[] __initdata = KERN_ERR
                        "%s: can't register clocksource!\n";
 
-       if (cpu_is_omap16xx() || cpu_is_omap24xx()) {
+       if (cpu_is_omap16xx() || cpu_class_is_omap2()) {
+               struct clk *sync_32k_ick;
+
+               sync_32k_ick = clk_get(NULL, "omap_32ksync_ick");
+               if (sync_32k_ick)
+                       clk_enable(sync_32k_ick);
+
                clocksource_32k.mult = clocksource_hz2mult(32768,
                                            clocksource_32k.shift);
 
@@ -210,3 +239,73 @@ static int __init omap_init_clocksource_32k(void)
 arch_initcall(omap_init_clocksource_32k);
 
 #endif /* TIMER_32K_SYNCHRONIZED */
+
+/* Global address base setup code */
+
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+
+static struct omap_globals *omap2_globals;
+
+static void __init __omap2_set_globals(void)
+{
+       omap2_set_globals_memory(omap2_globals);
+       omap2_set_globals_control(omap2_globals);
+       omap2_set_globals_prcm(omap2_globals);
+}
+
+#endif
+
+#if defined(CONFIG_ARCH_OMAP2420)
+
+static struct omap_globals omap242x_globals = {
+       .tap    = (__force void __iomem *)OMAP2_IO_ADDRESS(0x48014000),
+       .sdrc   = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP2420_SDRC_BASE),
+       .sms    = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP2420_SMS_BASE),
+       .ctrl   = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP2420_CTRL_BASE),
+       .prm    = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP2420_PRM_BASE),
+       .cm     = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP2420_CM_BASE),
+};
+
+void __init omap2_set_globals_242x(void)
+{
+       omap2_globals = &omap242x_globals;
+       __omap2_set_globals();
+}
+#endif
+
+#if defined(CONFIG_ARCH_OMAP2430)
+
+static struct omap_globals omap243x_globals = {
+       .tap    = (__force void __iomem *)OMAP2_IO_ADDRESS(0x4900a000),
+       .sdrc   = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP243X_SDRC_BASE),
+       .sms    = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP243X_SMS_BASE),
+       .ctrl   = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP243X_CTRL_BASE),
+       .prm    = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP2430_PRM_BASE),
+       .cm     = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP2430_CM_BASE),
+};
+
+void __init omap2_set_globals_243x(void)
+{
+       omap2_globals = &omap243x_globals;
+       __omap2_set_globals();
+}
+#endif
+
+#if defined(CONFIG_ARCH_OMAP3430)
+
+static struct omap_globals omap343x_globals = {
+       .tap    = (__force void __iomem *)OMAP2_IO_ADDRESS(0x4830A000),
+       .sdrc   = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP343X_SDRC_BASE),
+       .sms    = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP343X_SMS_BASE),
+       .ctrl   = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP343X_CTRL_BASE),
+       .prm    = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP3430_PRM_BASE),
+       .cm     = (__force void __iomem *)OMAP2_IO_ADDRESS(OMAP3430_CM_BASE),
+};
+
+void __init omap2_set_globals_343x(void)
+{
+       omap2_globals = &omap343x_globals;
+       __omap2_set_globals();
+}
+#endif
+