--- a/arch/arm/mach-cns3xxx/core.c +++ b/arch/arm/mach-cns3xxx/core.c @@ -273,13 +273,26 @@ void __init cns3xxx_timer_init(void) #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 @@ -309,7 +322,10 @@ 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 @@ -239,8 +239,6 @@ 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();