diff options
Diffstat (limited to 'arch/arm/mach-layerscape/lowlevel.S')
-rw-r--r-- | arch/arm/mach-layerscape/lowlevel.S | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/mach-layerscape/lowlevel.S b/arch/arm/mach-layerscape/lowlevel.S new file mode 100644 index 0000000000..adb3e54367 --- /dev/null +++ b/arch/arm/mach-layerscape/lowlevel.S @@ -0,0 +1,18 @@ +#include <linux/linkage.h> + +.section .text.ls1046a_init_l2_latency +ENTRY(ls1046a_init_l2_latency) + /* Initialize the L2 RAM latency */ + mrs x1, S3_1_c11_c0_2 + mov x0, #0x1C7 + /* Clear L2 Tag RAM latency and L2 Data RAM latency */ + bic x1, x1, x0 + /* Set L2 data ram latency bits [2:0] */ + orr x1, x1, #0x2 + /* set L2 tag ram latency bits [8:6] */ + orr x1, x1, #0x80 + msr S3_1_c11_c0_2, x1 + isb + + ret +ENDPROC(ls1046a_init_l2_latency); |