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Merge "fix(imx8mp): uncondtionally enable only the USB power domain" into integration

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Madhukar Pappireddy 2024-02-20 14:40:06 +01:00 • committed by TrustedFirmware Code Review
commit e2c7934093
1 changed files with 12 additions and 4 deletions
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16
plat/imx/imx8m/imx8mp/gpc.c
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@ -374,12 +374,20 @@ void imx_gpc_init(void)
mmio_clrbits_32(IMX_SRC_BASE + SRC_OTG1PHY_SCR, 0x1); mmio_clrbits_32(IMX_SRC_BASE + SRC_OTG1PHY_SCR, 0x1);
mmio_clrbits_32(IMX_SRC_BASE + SRC_OTG2PHY_SCR, 0x1); mmio_clrbits_32(IMX_SRC_BASE + SRC_OTG2PHY_SCR, 0x1);
/* enable all the power domain by default */ /* enable all clocks by default */
for (i = 0; i < 101; i++) { for (i = 0; i < 101; i++) {
mmio_write_32(IMX_CCM_BASE + CCGR(i), 0x3); mmio_write_32(IMX_CCM_BASE + CCGR(i), 0x3);
} }
for (i = 0; i < 20; i++) { /* Depending on SKU, we may be lacking e.g. a VPU and shouldn't
imx_gpc_pm_domain_enable(i, true); * access that domain here, because that would lockup the SoC.
} * Other i.MX8M variants don't initialize any power domains, but
* for 8MP we have been enabling the USB power domains since the
* beginning and stopping to do this now may render systems
* unrecoverable. So we'll keep initializing just the USB power
* domains instead of all of them like before.
*/
imx_gpc_pm_domain_enable(HSIOMIX, true);
imx_gpc_pm_domain_enable(USB1_PHY, true);
imx_gpc_pm_domain_enable(USB2_PHY, true);
} }