1 files changed, 70 insertions, 0 deletions
diff --git a/target/linux/cns3xxx/patches-3.8/097-l2x0_cmdline_disable.patch b/target/linux/cns3xxx/patches-3.8/097-l2x0_cmdline_disable.patch
new file mode 100644
index 000000000..eb5c8113c
--- /dev/null
+++ b/target/linux/cns3xxx/patches-3.8/097-l2x0_cmdline_disable.patch
@@ -0,0 +1,70 @@
+--- a/arch/arm/mach-cns3xxx/core.c
++++ b/arch/arm/mach-cns3xxx/core.c
+@@ -293,13 +293,26 @@ struct sys_timer cns3xxx_timer = {
+ 
+ #ifdef CONFIG_CACHE_L2X0
+ 
+-void __init cns3xxx_l2x0_init(void)
++static int cns3xxx_l2x0_enable = 1;
++
++static int __init cns3xxx_l2x0_disable(char *s)
++{
++	cns3xxx_l2x0_enable = 0;
++	return 1;
++}
++__setup("nol2x0", cns3xxx_l2x0_disable);
++
++static int __init cns3xxx_l2x0_init(void)
+ {
+-	void __iomem *base = ioremap(CNS3XXX_L2C_BASE, SZ_4K);
++	void __iomem *base;
+ 	u32 val;
+ 
++	if (!cns3xxx_l2x0_enable)
++		return 0;
++
++ 	base = ioremap(CNS3XXX_L2C_BASE, SZ_4K);
+ 	if (WARN_ON(!base))
+-		return;
++		return 0;
+ 
+ 	/*
+ 	 * Tag RAM Control register
+@@ -329,7 +342,10 @@ void __init cns3xxx_l2x0_init(void)
+ 
+ 	/* 32 KiB, 8-way, parity disable */
+ 	l2x0_init(base, 0x00540000, 0xfe000fff);
++
++	return 0;
+ }
++arch_initcall(cns3xxx_l2x0_init);
+ 
+ #endif /* CONFIG_CACHE_L2X0 */
+ 
+--- a/arch/arm/mach-cns3xxx/cns3420vb.c
++++ b/arch/arm/mach-cns3xxx/cns3420vb.c
+@@ -241,8 +241,6 @@ static struct platform_device *cns3420_p
+ 
+ static void __init cns3420_init(void)
+ {
+-	cns3xxx_l2x0_init();
+-
+ 	platform_add_devices(cns3420_pdevs, ARRAY_SIZE(cns3420_pdevs));
+ 
+ 	cns3xxx_ahci_init();
+--- a/arch/arm/mach-cns3xxx/core.h
++++ b/arch/arm/mach-cns3xxx/core.h
+@@ -15,13 +15,6 @@ extern struct smp_operations cns3xxx_smp
+ extern struct sys_timer cns3xxx_timer;
+ extern void cns3xxx_pcie_iotable_init(void);
+ 
+-
+-#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_common_init(void);
+ void __init cns3xxx_init_irq(void);
+ int  __init cns3xxx_pcie_init(void);