8 files changed, 57 insertions, 26 deletions

diff --git a/arch/arm/mach-cns3xxx/cns3420vb.c b/arch/arm/mach-cns3xxx/cns3420vb.c
index 08e5c8759502..3e7d1496cb47 100644
--- a/arch/arm/mach-cns3xxx/cns3420vb.c
+++ b/arch/arm/mach-cns3xxx/cns3420vb.c
@@ -29,7 +29,6 @@
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 #include <asm/mach/time.h>
-#include <mach/hardware.h>
 #include <mach/cns3xxx.h>
 #include <mach/irqs.h>
 #include "core.h"
@@ -170,6 +169,8 @@ static struct platform_device *cns3420_pdevs[] __initdata = {
 
 static void __init cns3420_init(void)
 {
+        cns3xxx_l2x0_init();
+
         platform_add_devices(cns3420_pdevs, ARRAY_SIZE(cns3420_pdevs));
 
         cns3xxx_ahci_init();
diff --git a/arch/arm/mach-cns3xxx/core.c b/arch/arm/mach-cns3xxx/core.c
index da30078a80c1..941a308e1253 100644
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -16,6 +16,7 @@
 #include <asm/mach/time.h>
 #include <asm/mach/irq.h>
 #include <asm/hardware/gic.h>
+#include <asm/hardware/cache-l2x0.h>
 #include <mach/cns3xxx.h>
 #include "core.h"
 
@@ -244,3 +245,45 @@ static void __init cns3xxx_timer_init(void)
 struct sys_timer cns3xxx_timer = {
         .init = cns3xxx_timer_init,
 };
+
+#ifdef CONFIG_CACHE_L2X0
+
+void __init cns3xxx_l2x0_init(void)
+{
+        void __iomem *base = ioremap(CNS3XXX_L2C_BASE, SZ_4K);
+        u32 val;
+
+        if (WARN_ON(!base))
+                return;
+
+        /*
+         * Tag RAM Control register
+         *
+         * bit[10:8]    - 1 cycle of write accesses latency
+         * bit[6:4]     - 1 cycle of read accesses latency
+         * bit[3:0]     - 1 cycle of setup latency
+         *
+         * 1 cycle of latency for setup, read and write accesses
+         */
+        val = readl(base + L2X0_TAG_LATENCY_CTRL);
+        val &= 0xfffff888;
+        writel(val, base + L2X0_TAG_LATENCY_CTRL);
+
+        /*
+         * Data RAM Control register
+         *
+         * bit[10:8]    - 1 cycles of write accesses latency
+         * bit[6:4]     - 1 cycles of read accesses latency
+         * bit[3:0]     - 1 cycle of setup latency
+         *
+         * 1 cycle of latency for setup, read and write accesses
+         */
+        val = readl(base + L2X0_DATA_LATENCY_CTRL);
+        val &= 0xfffff888;
+        writel(val, base + L2X0_DATA_LATENCY_CTRL);
+
+        /* 32 KiB, 8-way, parity disable */
+        l2x0_init(base, 0x00540000, 0xfe000fff);
+}
+
+#endif /* CONFIG_CACHE_L2X0 */
diff --git a/arch/arm/mach-cns3xxx/core.h b/arch/arm/mach-cns3xxx/core.h
index ffeb3a8b73ba..fcd225343c61 100644
--- a/arch/arm/mach-cns3xxx/core.h
+++ b/arch/arm/mach-cns3xxx/core.h
@@ -13,6 +13,12 @@
 
 extern struct sys_timer cns3xxx_timer;
 
+#ifdef CONFIG_CACHE_L2X0
+void __init cns3xxx_l2x0_init(void);
+#else
+static inline void cns3xxx_l2x0_init(void) {}
+#endif /* CONFIG_CACHE_L2X0 */
+
 void __init cns3xxx_map_io(void);
 void __init cns3xxx_init_irq(void);
 void cns3xxx_power_off(void);
diff --git a/arch/arm/mach-cns3xxx/include/mach/hardware.h b/arch/arm/mach-cns3xxx/include/mach/hardware.h
deleted file mode 100644
index 57e09836f9d7..000000000000
--- a/arch/arm/mach-cns3xxx/include/mach/hardware.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * This file contains the hardware definitions of the Cavium Networks boards.
- *
- * Copyright 2003 ARM Limited.
- * Copyright 2008 Cavium Networks
- *
- * This file 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.
- */
-
-#ifndef __MACH_HARDWARE_H
-#define __MACH_HARDWARE_H
-
-#include <asm/sizes.h>
-
-/* macro to get at IO space when running virtually */
-#define PCIBIOS_MIN_IO          0x00000000
-#define PCIBIOS_MIN_MEM         0x00000000
-#define pcibios_assign_all_busses()     1
-
-#endif
diff --git a/arch/arm/mach-cns3xxx/include/mach/pm.h b/arch/arm/mach-cns3xxx/include/mach/pm.h
index 6eae7f764d1d..c2588cc991d1 100644
--- a/arch/arm/mach-cns3xxx/include/mach/pm.h
+++ b/arch/arm/mach-cns3xxx/include/mach/pm.h
@@ -11,7 +11,7 @@
 #ifndef __CNS3XXX_PM_H
 #define __CNS3XXX_PM_H
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 void cns3xxx_pwr_clk_en(unsigned int block);
 void cns3xxx_pwr_clk_dis(unsigned int block);
diff --git a/arch/arm/mach-cns3xxx/include/mach/vmalloc.h b/arch/arm/mach-cns3xxx/include/mach/vmalloc.h
index 4d381ec05278..1dd231d2f772 100644
--- a/arch/arm/mach-cns3xxx/include/mach/vmalloc.h
+++ b/arch/arm/mach-cns3xxx/include/mach/vmalloc.h
@@ -8,4 +8,4 @@
  * published by the Free Software Foundation.
  */
 
-#define VMALLOC_END             0xd8000000
+#define VMALLOC_END             0xd8000000UL
diff --git a/arch/arm/mach-cns3xxx/pcie.c b/arch/arm/mach-cns3xxx/pcie.c
index 78defd71a829..a4ec080908b8 100644
--- a/arch/arm/mach-cns3xxx/pcie.c
+++ b/arch/arm/mach-cns3xxx/pcie.c
@@ -369,6 +369,9 @@ static int __init cns3xxx_pcie_init(void)
 {
         int i;
 
+        pcibios_min_io = 0;
+        pcibios_min_mem = 0;
+
         hook_fault_code(16 + 6, cns3xxx_pcie_abort_handler, SIGBUS, 0,
                         "imprecise external abort");
 
diff --git a/arch/arm/mach-cns3xxx/pm.c b/arch/arm/mach-cns3xxx/pm.c
index 5e579552aa54..0c04678615ce 100644
--- a/arch/arm/mach-cns3xxx/pm.c
+++ b/arch/arm/mach-cns3xxx/pm.c
@@ -10,7 +10,7 @@
 #include <linux/module.h>
 #include <linux/io.h>
 #include <linux/delay.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <mach/system.h>
 #include <mach/cns3xxx.h>
 #include <mach/pm.h>