ARM (ARM11): add data cache support, test on Qong board
Add data cache support for arm1136 systems. Enable "cache" command on Qong board and test performance. Test 1: Loading 127 MB of data from NAND flash into RAM: Instr. Cache off on on Data Cache off off on -------------------------------------------------- QONG (ARM11) 177s 95s 43s = x 4.1 Test 2: uncompressing a gzipped image from RAM to RAM (size compressed: 6.5 MiB, uncompressed: 35 MiB): Instr. Cache off on on Data Cache off off on -------------------------------------------------- QONG (ARM11) 1.54s 0.95s 0.18s = x 8.6 Portions of this work were supported by funding from the CE Linux Forum. Signed-off-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
parent
95c6f6d34d
commit
7e4a9e6dc8
|
@ -439,6 +439,11 @@ fiq:
|
|||
.align 5
|
||||
.global arm1136_cache_flush
|
||||
arm1136_cache_flush:
|
||||
#if !defined(CONFIG_SYS_NO_ICACHE)
|
||||
mcr p15, 0, r1, c7, c5, 0 @ invalidate I cache
|
||||
#endif
|
||||
#if !defined(CONFIG_SYS_NO_DCACHE)
|
||||
mcr p15, 0, r1, c7, c14, 0 @ invalidate D cache
|
||||
#endif
|
||||
mov pc, lr @ back to caller
|
||||
#endif /* CONFIG_PRELOADER */
|
||||
|
|
|
@ -27,7 +27,7 @@
|
|||
|
||||
void flush_cache (unsigned long dummy1, unsigned long dummy2)
|
||||
{
|
||||
#ifdef CONFIG_OMAP2420
|
||||
#if defined(CONFIG_OMAP2420) || defined(CONFIG_ARM1136)
|
||||
void arm1136_cache_flush(void);
|
||||
|
||||
arm1136_cache_flush();
|
||||
|
|
|
@ -104,6 +104,7 @@
|
|||
|
||||
#include <config_cmd_default.h>
|
||||
|
||||
#define CONFIG_CMD_CACHE
|
||||
#define CONFIG_CMD_PING
|
||||
#define CONFIG_CMD_DHCP
|
||||
#define CONFIG_CMD_NET
|
||||
|
|
Loading…
Reference in a new issue