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ARC: HSDK-4xD: add support for SLC enable/disable

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Add support for SLC enable/disable via hsdk_init command.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
This commit is contained in:
Eugeniy Paltsev 2020-03-23 20:46:35 +03:00 committed by Alexey Brodkin
parent d4ee5c39ba
commit 1d897d1a22
1 changed files with 22 additions and 0 deletions
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22
board/synopsys/hsdk/hsdk.c
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@ -80,6 +80,7 @@ struct hsdk_env_common_ctl {
u32_env nvlim;
u32_env icache;
u32_env dcache;
u32_env l2_cache;
};
/*
@ -129,6 +130,9 @@ static const struct env_map_common env_map_common[] = {
{ "non_volatile_limit", ENV_HEX, true, 0, 0xF, &env_common.nvlim },
{ "icache_ena", ENV_HEX, true, 0, 1, &env_common.icache },
{ "dcache_ena", ENV_HEX, true, 0, 1, &env_common.dcache },
#if defined(CONFIG_BOARD_HSDK_4XD)
{ "l2_cache_ena", ENV_HEX, true, 0, 1, &env_common.l2_cache },
#endif /* CONFIG_BOARD_HSDK_4XD */
{}
};
@ -188,6 +192,11 @@ static bool is_board_match_runtime(enum board_type type_req)
return get_board_type_runtime() == type_req;
}
static bool is_board_match_config(enum board_type type_req)
{
return get_board_type_config() == type_req;
}
static const char * board_name(enum board_type type)
{
switch (type) {
@ -278,6 +287,18 @@ static void init_cluster_nvlim(void)
flush_n_invalidate_dcache_all();
}
static void init_cluster_slc(void)
{
/* ARC HS38 doesn't support SLC disabling */
if (!is_board_match_config(T_BOARD_HSDK_4XD))
return;
if (env_common.l2_cache.val)
slc_enable();
else
slc_disable();
}
static void init_master_icache(void)
{
if (icache_status()) {
@ -657,6 +678,7 @@ static void do_init_cluster(void)
* cores.
*/
init_cluster_nvlim();
init_cluster_slc();
}
static int check_master_cpu_id(void)