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bsp/leon3: Use new L2CACHE register block API

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This commit is contained in:
Sebastian Huber
2021-07-19 11:05:38 +02:00
parent d85c505ab0
commit 37880fc656
1 changed files with 23 additions and 15 deletions
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38
bsps/sparc/leon3/start/cache.c
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@@ -6,9 +6,13 @@
* http://www.rtems.org/license/LICENSE.
*/
#include <amba.h>
#include <grlib/l2cache-regs.h>
#include <grlib/io.h>
#include <bsp/leon3.h>
#include <grlib/ambapp.h>
#define CPU_CACHE_SUPPORT_PROVIDES_RANGE_FUNCTIONS
#define CPU_CACHE_SUPPORT_PROVIDES_CACHE_SIZE_FUNCTIONS
@@ -19,12 +23,11 @@
#define CPU_DATA_CACHE_ALIGNMENT 64
static inline volatile struct l2c_regs *get_l2c_regs(void)
static inline l2cache *get_l2c_regs(void)
{
volatile struct l2c_regs *l2c = NULL;
struct ambapp_dev *adev;
adev = (void *) ambapp_for_each(
adev = (struct ambapp_dev *) ambapp_for_each(
ambapp_plb(),
OPTIONS_ALL | OPTIONS_AHB_SLVS,
VENDOR_GAISLER,
@@ -32,27 +35,32 @@ static inline volatile struct l2c_regs *get_l2c_regs(void)
ambapp_find_by_idx,
NULL
);
if (adev != NULL) {
l2c = (volatile struct l2c_regs *) DEV_TO_AHB(adev)->start[1];
if (adev == NULL) {
return NULL;
}
return l2c;
return (l2cache *) DEV_TO_AHB(adev)->start[1];
}
static inline size_t get_l2_size(void)
{
size_t size = 0;
volatile struct l2c_regs *l2c = get_l2c_regs();
l2cache *regs;
unsigned status;
unsigned ways;
unsigned set_size;
if (l2c != NULL) {
unsigned status = l2c->status;
unsigned ways = (status & 0x3) + 1;
unsigned set_size = ((status & 0x7ff) >> 2) * 1024;
regs = get_l2c_regs();
size = ways * set_size;
if (regs == NULL) {
return 0;
}
return size;
status = grlib_load_32(&regs->l2cs);
ways = L2CACHE_L2CS_WAY_GET(status) + 1;
set_size = L2CACHE_L2CS_WAY_SIZE_GET(status) * 1024;
return ways * set_size;
}
static inline size_t get_l1_size(uint32_t l1_cfg)