Tegra186: mce: clear reserved fields for ARI calls
This patch clears the unused or reserved ARI input registers before issuing the actual ARI command. Change-Id: I454b86566bfe088049a5c63527c1323d7b25248a Signed-off-by: Krishna Sitaraman <ksitaraman@nvidia.com> Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
This commit is contained in:
parent
331f8a063f
commit
10007118a2
|
@ -129,6 +129,9 @@ int ari_enter_cstate(uint32_t ari_base, uint32_t state, uint32_t wake_time)
|
|||
return EINVAL;
|
||||
}
|
||||
|
||||
/* clean the previous response state */
|
||||
ari_clobber_response(ari_base);
|
||||
|
||||
/* Enter the cstate, to be woken up after wake_time (TSC ticks) */
|
||||
return ari_request_wait(ari_base, ARI_EVT_MASK_STANDBYWFI_BIT,
|
||||
TEGRA_ARI_ENTER_CSTATE, state, wake_time);
|
||||
|
@ -140,6 +143,9 @@ int ari_update_cstate_info(uint32_t ari_base, uint32_t cluster, uint32_t ccplex,
|
|||
{
|
||||
uint32_t val = 0;
|
||||
|
||||
/* clean the previous response state */
|
||||
ari_clobber_response(ari_base);
|
||||
|
||||
/* update CLUSTER_CSTATE? */
|
||||
if (cluster)
|
||||
val |= (cluster & CLUSTER_CSTATE_MASK) |
|
||||
|
@ -172,6 +178,9 @@ int ari_update_crossover_time(uint32_t ari_base, uint32_t type, uint32_t time)
|
|||
(type > TEGRA_ARI_CROSSOVER_CCP3_SC1))
|
||||
return EINVAL;
|
||||
|
||||
/* clean the previous response state */
|
||||
ari_clobber_response(ari_base);
|
||||
|
||||
/* update crossover threshold time */
|
||||
return ari_request_wait(ari_base, 0, TEGRA_ARI_UPDATE_CROSSOVER,
|
||||
type, time);
|
||||
|
@ -185,6 +194,9 @@ uint64_t ari_read_cstate_stats(uint32_t ari_base, uint32_t state)
|
|||
if (state == 0)
|
||||
return EINVAL;
|
||||
|
||||
/* clean the previous response state */
|
||||
ari_clobber_response(ari_base);
|
||||
|
||||
ret = ari_request_wait(ari_base, 0, TEGRA_ARI_CSTATE_STATS, state, 0);
|
||||
if (ret != 0)
|
||||
return EINVAL;
|
||||
|
@ -194,6 +206,9 @@ uint64_t ari_read_cstate_stats(uint32_t ari_base, uint32_t state)
|
|||
|
||||
int ari_write_cstate_stats(uint32_t ari_base, uint32_t state, uint32_t stats)
|
||||
{
|
||||
/* clean the previous response state */
|
||||
ari_clobber_response(ari_base);
|
||||
|
||||
/* write the cstate stats */
|
||||
return ari_request_wait(ari_base, 0, TEGRA_ARI_WRITE_CSTATE_STATS, state,
|
||||
stats);
|
||||
|
@ -226,6 +241,9 @@ int ari_is_ccx_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time)
|
|||
{
|
||||
int ret;
|
||||
|
||||
/* clean the previous response state */
|
||||
ari_clobber_response(ari_base);
|
||||
|
||||
ret = ari_request_wait(ari_base, 0, TEGRA_ARI_IS_CCX_ALLOWED, state & 0x7,
|
||||
wake_time);
|
||||
if (ret) {
|
||||
|
@ -248,6 +266,9 @@ int ari_is_sc7_allowed(uint32_t ari_base, uint32_t state, uint32_t wake_time)
|
|||
return EINVAL;
|
||||
}
|
||||
|
||||
/* clean the previous response state */
|
||||
ari_clobber_response(ari_base);
|
||||
|
||||
ret = ari_request_wait(ari_base, 0, TEGRA_ARI_IS_SC7_ALLOWED, state,
|
||||
wake_time);
|
||||
if (ret) {
|
||||
|
@ -283,6 +304,9 @@ int ari_online_core(uint32_t ari_base, uint32_t core)
|
|||
return EINVAL;
|
||||
}
|
||||
|
||||
/* clean the previous response state */
|
||||
ari_clobber_response(ari_base);
|
||||
|
||||
return ari_request_wait(ari_base, 0, TEGRA_ARI_ONLINE_CORE, core, 0);
|
||||
}
|
||||
|
||||
|
@ -290,6 +314,9 @@ int ari_cc3_ctrl(uint32_t ari_base, uint32_t freq, uint32_t volt, uint8_t enable
|
|||
{
|
||||
int val;
|
||||
|
||||
/* clean the previous response state */
|
||||
ari_clobber_response(ari_base);
|
||||
|
||||
/*
|
||||
* If the enable bit is cleared, Auto-CC3 will be disabled by setting
|
||||
* the SW visible voltage/frequency request registers for all non
|
||||
|
@ -309,6 +336,9 @@ int ari_cc3_ctrl(uint32_t ari_base, uint32_t freq, uint32_t volt, uint8_t enable
|
|||
|
||||
int ari_reset_vector_update(uint32_t ari_base, uint32_t lo, uint32_t hi)
|
||||
{
|
||||
/* clean the previous response state */
|
||||
ari_clobber_response(ari_base);
|
||||
|
||||
/*
|
||||
* Need to program the CPU reset vector one time during cold boot
|
||||
* and SC7 exit
|
||||
|
@ -320,18 +350,27 @@ int ari_reset_vector_update(uint32_t ari_base, uint32_t lo, uint32_t hi)
|
|||
|
||||
int ari_roc_flush_cache_trbits(uint32_t ari_base)
|
||||
{
|
||||
/* clean the previous response state */
|
||||
ari_clobber_response(ari_base);
|
||||
|
||||
return ari_request_wait(ari_base, 0, TEGRA_ARI_ROC_FLUSH_CACHE_TRBITS,
|
||||
0, 0);
|
||||
}
|
||||
|
||||
int ari_roc_flush_cache(uint32_t ari_base)
|
||||
{
|
||||
/* clean the previous response state */
|
||||
ari_clobber_response(ari_base);
|
||||
|
||||
return ari_request_wait(ari_base, 0, TEGRA_ARI_ROC_FLUSH_CACHE_ONLY,
|
||||
0, 0);
|
||||
}
|
||||
|
||||
int ari_roc_clean_cache(uint32_t ari_base)
|
||||
{
|
||||
/* clean the previous response state */
|
||||
ari_clobber_response(ari_base);
|
||||
|
||||
return ari_request_wait(ari_base, 0, TEGRA_ARI_ROC_CLEAN_CACHE_ONLY,
|
||||
0, 0);
|
||||
}
|
||||
|
@ -372,6 +411,9 @@ int ari_update_ccplex_gsc(uint32_t ari_base, uint32_t gsc_idx)
|
|||
if (gsc_idx > TEGRA_ARI_GSC_VPR_IDX)
|
||||
return EINVAL;
|
||||
|
||||
/* clean the previous response state */
|
||||
ari_clobber_response(ari_base);
|
||||
|
||||
/*
|
||||
* The MCE code will read the GSC carveout value, corrseponding to
|
||||
* the ID, from the MC registers and update the internal GSC registers
|
||||
|
@ -384,6 +426,9 @@ int ari_update_ccplex_gsc(uint32_t ari_base, uint32_t gsc_idx)
|
|||
|
||||
void ari_enter_ccplex_state(uint32_t ari_base, uint32_t state_idx)
|
||||
{
|
||||
/* clean the previous response state */
|
||||
ari_clobber_response(ari_base);
|
||||
|
||||
/*
|
||||
* The MCE will shutdown or restart the entire system
|
||||
*/
|
||||
|
@ -396,6 +441,9 @@ int ari_read_write_uncore_perfmon(uint32_t ari_base,
|
|||
int ret;
|
||||
uint32_t val;
|
||||
|
||||
/* clean the previous response state */
|
||||
ari_clobber_response(ari_base);
|
||||
|
||||
/* sanity check input parameters */
|
||||
if (req.perfmon_command.cmd == UNCORE_PERFMON_CMD_READ && !data) {
|
||||
ERROR("invalid parameters\n");
|
||||
|
|
Loading…
Reference in New Issue