1 files changed, 100 insertions, 40 deletions

diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c
index 3a4768d55895..f12f0e39ddf2 100644
--- a/arch/arm/plat-omap/common.c
+++ b/arch/arm/plat-omap/common.c
@@ -29,13 +29,14 @@
 #include <asm/mach/map.h>
 #include <asm/setup.h>
 
-#include <mach/common.h>
-#include <mach/board.h>
-#include <mach/control.h>
-#include <mach/mux.h>
-#include <mach/fpga.h>
+#include <plat/common.h>
+#include <plat/board.h>
+#include <plat/control.h>
+#include <plat/mux.h>
+#include <plat/fpga.h>
+#include <plat/serial.h>
 
-#include <mach/clock.h>
+#include <plat/clock.h>
 
 #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
 # include "../mach-omap2/sdrc.h"
@@ -43,12 +44,12 @@
 
 #define NO_LENGTH_CHECK 0xffffffff
 
-unsigned char omap_bootloader_tag[512];
-int omap_bootloader_tag_len;
-
 struct omap_board_config_kernel *omap_board_config;
 int omap_board_config_size;
 
+/* used by omap-smp.c and board-4430sdp.c */
+void __iomem *gic_cpu_base_addr;
+
 static const void *get_config(u16 tag, size_t len, int skip, size_t *len_out)
 {
         struct omap_board_config_kernel *kinfo = NULL;
@@ -96,10 +97,17 @@ EXPORT_SYMBOL(omap_get_var_config);
 
 #include <linux/clocksource.h>
 
+/*
+ * offset_32k holds the init time counter value. It is then subtracted
+ * from every counter read to achieve a counter that counts time from the
+ * kernel boot (needed for sched_clock()).
+ */
+static u32 offset_32k __read_mostly;
+
 #ifdef CONFIG_ARCH_OMAP16XX
 static cycle_t omap16xx_32k_read(struct clocksource *cs)
 {
-        return omap_readl(OMAP16XX_TIMER_32K_SYNCHRONIZED);
+        return omap_readl(OMAP16XX_TIMER_32K_SYNCHRONIZED) - offset_32k;
 }
 #else
 #define omap16xx_32k_read       NULL
@@ -108,7 +116,7 @@ static cycle_t omap16xx_32k_read(struct clocksource *cs)
 #ifdef CONFIG_ARCH_OMAP2420
 static cycle_t omap2420_32k_read(struct clocksource *cs)
 {
-        return omap_readl(OMAP2420_32KSYNCT_BASE + 0x10);
+        return omap_readl(OMAP2420_32KSYNCT_BASE + 0x10) - offset_32k;
 }
 #else
 #define omap2420_32k_read       NULL
@@ -117,16 +125,16 @@ static cycle_t omap2420_32k_read(struct clocksource *cs)
 #ifdef CONFIG_ARCH_OMAP2430
 static cycle_t omap2430_32k_read(struct clocksource *cs)
 {
-        return omap_readl(OMAP2430_32KSYNCT_BASE + 0x10);
+        return omap_readl(OMAP2430_32KSYNCT_BASE + 0x10) - offset_32k;
 }
 #else
 #define omap2430_32k_read       NULL
 #endif
 
-#ifdef CONFIG_ARCH_OMAP34XX
+#ifdef CONFIG_ARCH_OMAP3
 static cycle_t omap34xx_32k_read(struct clocksource *cs)
 {
-        return omap_readl(OMAP3430_32KSYNCT_BASE + 0x10);
+        return omap_readl(OMAP3430_32KSYNCT_BASE + 0x10) - offset_32k;
 }
 #else
 #define omap34xx_32k_read       NULL
@@ -135,7 +143,7 @@ static cycle_t omap34xx_32k_read(struct clocksource *cs)
 #ifdef CONFIG_ARCH_OMAP4
 static cycle_t omap44xx_32k_read(struct clocksource *cs)
 {
-        return omap_readl(OMAP4430_32KSYNCT_BASE + 0x10);
+        return omap_readl(OMAP4430_32KSYNCT_BASE + 0x10) - offset_32k;
 }
 #else
 #define omap44xx_32k_read       NULL
@@ -169,6 +177,32 @@ unsigned long long sched_clock(void)
                                   clocksource_32k.mult, clocksource_32k.shift);
 }
 
+/**
+ * read_persistent_clock -  Return time from a persistent clock.
+ *
+ * Reads the time from a source which isn't disabled during PM, the
+ * 32k sync timer.  Convert the cycles elapsed since last read into
+ * nsecs and adds to a monotonically increasing timespec.
+ */
+static struct timespec persistent_ts;
+static cycles_t cycles, last_cycles;
+void read_persistent_clock(struct timespec *ts)
+{
+        unsigned long long nsecs;
+        cycles_t delta;
+        struct timespec *tsp = &persistent_ts;
+
+        last_cycles = cycles;
+        cycles = clocksource_32k.read(&clocksource_32k);
+        delta = cycles - last_cycles;
+
+        nsecs = clocksource_cyc2ns(delta,
+                                   clocksource_32k.mult, clocksource_32k.shift);
+
+        timespec_add_ns(tsp, nsecs);
+        *ts = *tsp;
+}
+
 static int __init omap_init_clocksource_32k(void)
 {
         static char err[] __initdata = KERN_ERR
@@ -197,6 +231,8 @@ static int __init omap_init_clocksource_32k(void)
                 clocksource_32k.mult = clocksource_hz2mult(32768,
                                             clocksource_32k.shift);
 
+                offset_32k = clocksource_32k.read(&clocksource_32k);
+
                 if (clocksource_register(&clocksource_32k))
                         printk(err, clocksource_32k.name);
         }
@@ -216,6 +252,7 @@ static void __init __omap2_set_globals(struct omap_globals *omap2_globals)
         omap2_set_globals_sdrc(omap2_globals);
         omap2_set_globals_control(omap2_globals);
         omap2_set_globals_prcm(omap2_globals);
+        omap2_set_globals_uart(omap2_globals);
 }
 
 #endif
@@ -224,12 +261,15 @@ static void __init __omap2_set_globals(struct omap_globals *omap2_globals)
 
 static struct omap_globals omap242x_globals = {
         .class  = OMAP242X_CLASS,
-        .tap    = OMAP2_IO_ADDRESS(0x48014000),
-        .sdrc   = OMAP2_IO_ADDRESS(OMAP2420_SDRC_BASE),
-        .sms    = OMAP2_IO_ADDRESS(OMAP2420_SMS_BASE),
-        .ctrl   = OMAP2_IO_ADDRESS(OMAP2420_CTRL_BASE),
-        .prm    = OMAP2_IO_ADDRESS(OMAP2420_PRM_BASE),
-        .cm     = OMAP2_IO_ADDRESS(OMAP2420_CM_BASE),
+        .tap    = OMAP2_L4_IO_ADDRESS(0x48014000),
+        .sdrc   = OMAP2420_SDRC_BASE,
+        .sms    = OMAP2420_SMS_BASE,
+        .ctrl   = OMAP2420_CTRL_BASE,
+        .prm    = OMAP2420_PRM_BASE,
+        .cm     = OMAP2420_CM_BASE,
+        .uart1_phys     = OMAP2_UART1_BASE,
+        .uart2_phys     = OMAP2_UART2_BASE,
+        .uart3_phys     = OMAP2_UART3_BASE,
 };
 
 void __init omap2_set_globals_242x(void)
@@ -242,12 +282,15 @@ void __init omap2_set_globals_242x(void)
 
 static struct omap_globals omap243x_globals = {
         .class  = OMAP243X_CLASS,
-        .tap    = OMAP2_IO_ADDRESS(0x4900a000),
-        .sdrc   = OMAP2_IO_ADDRESS(OMAP243X_SDRC_BASE),
-        .sms    = OMAP2_IO_ADDRESS(OMAP243X_SMS_BASE),
-        .ctrl   = OMAP2_IO_ADDRESS(OMAP243X_CTRL_BASE),
-        .prm    = OMAP2_IO_ADDRESS(OMAP2430_PRM_BASE),
-        .cm     = OMAP2_IO_ADDRESS(OMAP2430_CM_BASE),
+        .tap    = OMAP2_L4_IO_ADDRESS(0x4900a000),
+        .sdrc   = OMAP243X_SDRC_BASE,
+        .sms    = OMAP243X_SMS_BASE,
+        .ctrl   = OMAP243X_CTRL_BASE,
+        .prm    = OMAP2430_PRM_BASE,
+        .cm     = OMAP2430_CM_BASE,
+        .uart1_phys     = OMAP2_UART1_BASE,
+        .uart2_phys     = OMAP2_UART2_BASE,
+        .uart3_phys     = OMAP2_UART3_BASE,
 };
 
 void __init omap2_set_globals_243x(void)
@@ -256,37 +299,54 @@ void __init omap2_set_globals_243x(void)
 }
 #endif
 
-#if defined(CONFIG_ARCH_OMAP3430)
+#if defined(CONFIG_ARCH_OMAP3)
 
-static struct omap_globals omap343x_globals = {
+static struct omap_globals omap3_globals = {
         .class  = OMAP343X_CLASS,
-        .tap    = OMAP2_IO_ADDRESS(0x4830A000),
-        .sdrc   = OMAP2_IO_ADDRESS(OMAP343X_SDRC_BASE),
-        .sms    = OMAP2_IO_ADDRESS(OMAP343X_SMS_BASE),
-        .ctrl   = OMAP2_IO_ADDRESS(OMAP343X_CTRL_BASE),
-        .prm    = OMAP2_IO_ADDRESS(OMAP3430_PRM_BASE),
-        .cm     = OMAP2_IO_ADDRESS(OMAP3430_CM_BASE),
+        .tap    = OMAP2_L4_IO_ADDRESS(0x4830A000),
+        .sdrc   = OMAP343X_SDRC_BASE,
+        .sms    = OMAP343X_SMS_BASE,
+        .ctrl   = OMAP343X_CTRL_BASE,
+        .prm    = OMAP3430_PRM_BASE,
+        .cm     = OMAP3430_CM_BASE,
+        .uart1_phys     = OMAP3_UART1_BASE,
+        .uart2_phys     = OMAP3_UART2_BASE,
+        .uart3_phys     = OMAP3_UART3_BASE,
 };
 
 void __init omap2_set_globals_343x(void)
 {
-        __omap2_set_globals(&omap343x_globals);
+        __omap2_set_globals(&omap3_globals);
+}
+
+void __init omap2_set_globals_36xx(void)
+{
+        omap3_globals.uart4_phys = OMAP3_UART4_BASE;
+
+        __omap2_set_globals(&omap3_globals);
 }
 #endif
 
 #if defined(CONFIG_ARCH_OMAP4)
 static struct omap_globals omap4_globals = {
         .class  = OMAP443X_CLASS,
-        .tap    = OMAP2_IO_ADDRESS(0x4830a000),
-        .ctrl   = OMAP2_IO_ADDRESS(OMAP443X_CTRL_BASE),
-        .prm    = OMAP2_IO_ADDRESS(OMAP4430_PRM_BASE),
-        .cm     = OMAP2_IO_ADDRESS(OMAP4430_CM_BASE),
+        .tap    = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
+        .ctrl   = OMAP443X_CTRL_BASE,
+        .prm    = OMAP4430_PRM_BASE,
+        .cm     = OMAP4430_CM_BASE,
+        .cm2    = OMAP4430_CM2_BASE,
+        .uart1_phys     = OMAP4_UART1_BASE,
+        .uart2_phys     = OMAP4_UART2_BASE,
+        .uart3_phys     = OMAP4_UART3_BASE,
+        .uart4_phys     = OMAP4_UART4_BASE,
 };
 
 void __init omap2_set_globals_443x(void)
 {
         omap2_set_globals_tap(&omap4_globals);
         omap2_set_globals_control(&omap4_globals);
+        omap2_set_globals_prcm(&omap4_globals);
+        omap2_set_globals_uart(&omap4_globals);
 }
 #endif