========================
~# ./memspeed
size 8388608 8192k 8M
offset 8388608, 0
buffers 0x2aaad000 0x2b2ad000
copy libc 133 MB/s
copy Android v5 273 MB/s
copy Android NEON 235 MB/s
copy INT32 116 MB/s
copy ASM ARM 187 MB/s
copy ASM VLDM 64 204 MB/s
copy ASM VLDM 128 173 MB/s
copy ASM VLD1 216 MB/s
read ASM ARM 286 MB/s
read ASM VLDM 242 MB/s
read ASM VLD1 286 MB/s
write libc 1947 MB/s
write ASM ARM 1943 MB/s
write ASM VSTM 1942 MB/s
write ASM VST1 1935 MB/s
10.10 + PATCH
=============
~# ./memspeed
size 8388608 8192k 8M
offset 8388608, 0
buffers 0x2ab17000 0x2b317000
copy libc 129 MB/s
copy Android v5 256 MB/s
copy Android NEON 356 MB/s
copy INT32 127 MB/s
copy ASM ARM 321 MB/s
copy ASM VLDM 64 337 MB/s
copy ASM VLDM 128 321 MB/s
copy ASM VLD1 350 MB/s
read ASM ARM 496 MB/s
read ASM VLDM 470 MB/s
read ASM VLD1 488 MB/s
write libc 1701 MB/s
write ASM ARM 1682 MB/s
write ASM VSTM 1693 MB/s
write ASM VST1 1681 MB/s
Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
---
arch/arm/mach-omap2/omap4-common.c | 17 +++++++++++------
1 files changed, 11 insertions(+), 6 deletions(-)
@@ -66,9 +66,6 @@ static int __init omap_l2_cache_init(void)
l2cache_base = ioremap(OMAP44XX_L2CACHE_BASE, SZ_4K);
BUG_ON(!l2cache_base);
- /* Enable PL310 L2 Cache controller */
- omap_smc1(0x102, 0x1);
-
/*
* 16-way associativity, parity disabled
* Way size - 32KB (es1.0)
@@ -79,10 +76,18 @@ static int __init omap_l2_cache_init(void)
(0x1 << L2X0_AUX_CTRL_NS_LOCKDOWN_SHIFT) |
(0x1 << L2X0_AUX_CTRL_NS_INT_CTRL_SHIFT));
- if (omap_rev() == OMAP4430_REV_ES1_0)
+ if (omap_rev() == OMAP4430_REV_ES1_0) {
aux_ctrl |= 0x2 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT;
- else
- aux_ctrl |= 0x3 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT;
+ } else {
+ aux_ctrl |= ((0x3 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT) |
+ (1 << L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT) |
+ (1 << L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT));
+ }
+ if (omap_rev() != OMAP4430_REV_ES1_0)
+ omap_smc1(0x109, aux_ctrl);
+
+ /* Enable PL310 L2 Cache controller */
+ omap_smc1(0x102, 0x1);
l2x0_init(l2cache_base, aux_ctrl, L2X0_AUX_CTRL_MASK);