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bsp/altera-cyclone-v: Enable L2 cache for network driver

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This commit is contained in:
Ralf Kirchner
2014-05-28 14:47:03 +02:00
committed by Sebastian Huber
parent dda78f43d5
commit 32c8960925
1 changed files with 14 additions and 1 deletions
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15
c/src/lib/libbsp/arm/altera-cyclone-v/network/network.c
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@@ -40,6 +40,7 @@
#include <bsp/alt_generalpurpose_io.h>
#include <bsp/nocache-heap.h>
#include "socal/alt_rstmgr.h"
#include "socal/alt_sysmgr.h"
#include "socal/hps.h"
#include "socal/socal.h"
#include <libchip/dwmac.h>
@@ -1080,9 +1081,21 @@ static int network_if_mem_free_nocache(
*/
static int network_if_bus_setup( void *arg )
{
volatile uint32_t reg = alt_read_word( ALT_SYSMGR_EMAC_L3MST_ADDR );
(void) arg;
/* Nothing to be done */
reg &= ALT_SYSMGR_EMAC_L3MST_AWCACHE_1_CLR_MSK;
reg &= ALT_SYSMGR_EMAC_L3MST_ARCACHE_1_CLR_MSK;
reg |= ALT_SYSMGR_EMAC_L3MST_AWCACHE_1_SET(
ALT_SYSMGR_EMAC_L3MST_AWCACHE_1_E_CACHE_WRBACK_ALLOC
);
reg |= ALT_SYSMGR_EMAC_L3MST_ARCACHE_1_SET(
ALT_SYSMGR_EMAC_L3MST_ARCACHE_1_E_CACHE_WRBACK_ALLOC
);
alt_write_word( ALT_SYSMGR_EMAC_L3MST_ADDR, reg );
return 0;
}