5 files changed, 24 insertions, 16 deletions
diff --git a/arch/arm/mach-u300/clock.c b/arch/arm/mach-u300/clock.c
index 5af71d5ba66..5d12d547789 100644
--- a/arch/arm/mach-u300/clock.c
+++ b/arch/arm/mach-u300/clock.c
@@ -1212,6 +1212,8 @@ static struct clk ppm_clk = {
 };
 #endif
 
+static struct clk dummy_apb_pclk;
+
 #define DEF_LOOKUP(devid, clkref)		\
 	{					\
 	.dev_id = devid,			\
@@ -1223,6 +1225,10 @@ static struct clk ppm_clk = {
  * look up through clockdevice.
  */
 static struct clk_lookup lookups[] = {
+	{
+		.con_id = "apb_pclk",
+		.clk = &dummy_apb_pclk,
+	},
 	/* Connected directly to the AMBA bus */
 	DEF_LOOKUP("amba",      &amba_clk),
 	DEF_LOOKUP("cpu",       &cpu_clk),
diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c
index 5f34eb674d6..653b3e0ab7b 100644
--- a/arch/arm/mach-u300/core.c
+++ b/arch/arm/mach-u300/core.c
@@ -1561,13 +1561,6 @@ static void __init u300_init_check_chip(void)
 	printk(KERN_INFO "Initializing U300 system on %s baseband chip " \
 	       "(chip ID 0x%04x)\n", chipname, val);
 
-#ifdef CONFIG_MACH_U300_BS26
-	if ((val & 0xFF00U) != 0xc800) {
-		printk(KERN_ERR "Platform configured for BS25/BS26 " \
-		       "with DB3150 but %s detected, expect problems!",
-		       chipname);
-	}
-#endif
 #ifdef CONFIG_MACH_U300_BS330
 	if ((val & 0xFF00U) != 0xd800) {
 		printk(KERN_ERR "Platform configured for BS330 " \
diff --git a/arch/arm/mach-u300/gpio.c b/arch/arm/mach-u300/gpio.c
index 5f61fd45a0c..d92790140fe 100644
--- a/arch/arm/mach-u300/gpio.c
+++ b/arch/arm/mach-u300/gpio.c
@@ -523,7 +523,7 @@ static void gpio_set_initial_values(void)
 
 	/*
 	 * Put all pins that are set to either 'GPIO_OUT' or 'GPIO_NOT_USED'
-	 * to output and 'GPIO_IN' to input for each port. And initalize
+	 * to output and 'GPIO_IN' to input for each port. And initialize
 	 * default value on outputs.
 	 */
 	for (i = 0; i < U300_GPIO_NUM_PORTS; i++) {
diff --git a/arch/arm/mach-u300/include/mach/memory.h b/arch/arm/mach-u300/include/mach/memory.h
index ab000df7fc0..bf134bcc129 100644
--- a/arch/arm/mach-u300/include/mach/memory.h
+++ b/arch/arm/mach-u300/include/mach/memory.h
@@ -35,14 +35,6 @@
 #endif
 
 /*
- * TCM memory whereabouts
- */
-#define ITCM_OFFSET	0xffff2000
-#define ITCM_END	0xffff3fff
-#define DTCM_OFFSET	0xffff4000
-#define DTCM_END	0xffff5fff
-
-/*
  * We enable a real big DMA buffer if need be.
  */
 #define CONSISTENT_DMA_SIZE SZ_4M
diff --git a/arch/arm/mach-u300/u300.c b/arch/arm/mach-u300/u300.c
index d2a0b8847a1..bfcda982088 100644
--- a/arch/arm/mach-u300/u300.c
+++ b/arch/arm/mach-u300/u300.c
@@ -14,6 +14,7 @@
 #include <linux/sched.h>
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
+#include <linux/memblock.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <mach/hardware.h>
@@ -22,6 +23,21 @@
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
+static void __init u300_reserve(void)
+{
+	/*
+	 * U300 - This platform family can share physical memory
+	 * between two ARM cpus, one running Linux and the other
+	 * running another OS.
+	 */
+#ifdef CONFIG_MACH_U300_SINGLE_RAM
+#if ((CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1) == 1) && \
+	CONFIG_MACH_U300_2MB_ALIGNMENT_FIX
+        memblock_reserve(PHYS_OFFSET, 0x00100000);
+#endif
+#endif
+}
+
 static void __init u300_init_machine(void)
 {
 	u300_init_devices();
@@ -49,6 +65,7 @@ MACHINE_START(U300, MACH_U300_STRING)
 	.io_pg_offst	= ((U300_AHB_PER_VIRT_BASE) >> 18) & 0xfffc,
 	.boot_params	= BOOT_PARAMS_OFFSET,
 	.map_io		= u300_map_io,
+	.reserve	= u300_reserve,
 	.init_irq	= u300_init_irq,
 	.timer		= &u300_timer,
 	.init_machine	= u300_init_machine,