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      1 // SPDX-License-Identifier: GPL-2.0
      2 /*
      3  * Copyright (c) 2016 Google, Inc
      4  */
      5 
      6 #include <common.h>
      7 #include <dm.h>
      8 #include <asm/pch_common.h>
      9 
     10 u32 pch_common_sir_read(struct udevice *dev, int idx)
     11 {
     12 	u32 data;
     13 
     14 	dm_pci_write_config32(dev, SATA_SIRI, idx);
     15 	dm_pci_read_config32(dev, SATA_SIRD, &data);
     16 
     17 	return data;
     18 }
     19 
     20 void pch_common_sir_write(struct udevice *dev, int idx, u32 value)
     21 {
     22 	dm_pci_write_config32(dev, SATA_SIRI, idx);
     23 	dm_pci_write_config32(dev, SATA_SIRD, value);
     24 }
     25