CTCaer/switch-l4t-atf
1
0
Fork 0
mirror of https://github.com/CTCaer/switch-l4t-atf.git synced 2024-12-02 15:47:10 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

plat: imx8m: Keep A53 PLAT on in wait mode(ret)

Browse Source 
Keep A53 PLAT(SCU) power domain on in wait mode(ret).
RBC count only need to be set in PLAT OFF mode, so
change it accordingly.

Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Change-Id: Ie55e25c8210d298506fc4dca7a9653583db45e0c
This commit is contained in:
Jacky Bai 2019-12-09 09:53:28 +08:00 committed by Manish Pandey
parent 9ce37110f5
commit 9eb1bb63e1
2 changed files with 4 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
plat/imx/imx8m/gpc_common.c
View File

@ -133,14 +133,12 @@ void imx_set_cluster_powerdown(unsigned int last_core, uint8_t power_state)
val = mmio_read_32(IMX_GPC_BASE + LPCR_A53_AD);
val &= ~EN_L2_WFI_PDN;
/* L2 cache memory is on in WAIT mode */
if (is_local_state_off(power_state))
if (is_local_state_off(power_state)) {
val |= (L2PGE | EN_PLAT_PDN);
else
val |= EN_PLAT_PDN;
imx_a53_plat_slot_config(true);
}
mmio_write_32(IMX_GPC_BASE + LPCR_A53_AD, val);
imx_a53_plat_slot_config(true);
} else {
/* clear the slot and ack for cluster power down */
imx_a53_plat_slot_config(false);

2
plat/imx/imx8m/imx8m_psci_common.c
View File

@ -192,7 +192,7 @@ void __dead2 imx_pwr_domain_pwr_down_wfi(const psci_power_state_t *target_state)
* drived by the 32K OSC, so delay 30us to make sure the counter
* is really running.
*/
if (!is_local_state_run(CLUSTER_PWR_STATE(target_state))) {
if (is_local_state_off(CLUSTER_PWR_STATE(target_state))) {
imx_set_rbc_count();
udelay(30);
}