HiKey970: Enable LDO33 for PCI-E switch

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Mani-Sadhasivam · Mar 19, 2019 · 32e59f8 · 32e59f8
1 parent 348ccb5
commit 32e59f8
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diff --git a/Platforms/Hisilicon/HiKey970/HiKey970Dxe/HiKey970Dxe.c b/Platforms/Hisilicon/HiKey970/HiKey970Dxe/HiKey970Dxe.c
@@ -387,6 +387,13 @@ RegulatorEenable (
     DEBUG ((DEBUG_WARN, "Warning: Couldn't Set LDO28 ON (status: %r)\n", Status));
   }
 
+  /* LDO33 enable */
+  RegVal = 0x01;
+  Status = mSpmiIo->Write(mSpmiIo, SPMI_SLAVEID_HI6421v600, PMIC_LDO33_ONOFF_ADDR, (UINT8*)&RegVal, 1);
+  if (EFI_ERROR (Status)) {
+    DEBUG ((DEBUG_WARN, "Warning: Couldn't Set LDO33 ON (status: %r)\n", Status));
+  }
+
   return EFI_SUCCESS;
 }
 #endif

diff --git a/Platforms/Hisilicon/HiKey970/Include/Kirin970.h b/Platforms/Hisilicon/HiKey970/Include/Kirin970.h
@@ -63,7 +63,9 @@
 #define PMIC_OSC32K_ONOFF_CTRL_EN_32K           (1 << 1)
 
 #define PMIC_LDO28_VSET_ADDR					0x069
+#define PMIC_LDO33_VSET_ADDR					0x06D
 #define PMIC_LDO28_ONOFF_ADDR					0x02E
+#define PMIC_LDO33_ONOFF_ADDR					0x032
 
 #define CRG_REG_BASE                            0xFFF35000