1 // SPDX-License-Identifier: GPL-2.0
3  * Generic SH-4 / SH-4A PCIC operations (SH7751, SH7780).
5  * Copyright (C) 2002 - 2009  Paul Mundt
11 #include "pci-sh4.h"
17 	(0x80000000 | (bus->number << 16) | (devfn << 8) | (where & ~3))
25 	struct pci_channel *chan = bus->sysdata;  in sh4_pci_read()
27 	u32 data;  in sh4_pci_read()  local
35 	data = pci_read_reg(chan, SH4_PCIPDR);  in sh4_pci_read()
40 		*val = (data >> ((where & 3) << 3)) & 0xff;  in sh4_pci_read()
43 		*val = (data >> ((where & 2) << 3)) & 0xffff;  in sh4_pci_read()
46 		*val = data;  in sh4_pci_read()
63 	struct pci_channel *chan = bus->sysdata;  in sh4_pci_write()
65 	int shift;  in sh4_pci_write()  local
66 	u32 data;  in sh4_pci_write()  local
70 	data = pci_read_reg(chan, SH4_PCIPDR);  in sh4_pci_write()
75 		shift = (where & 3) << 3;  in sh4_pci_write()
76 		data &= ~(0xff << shift);  in sh4_pci_write()
77 		data |= ((val & 0xff) << shift);  in sh4_pci_write()
80 		shift = (where & 2) << 3;  in sh4_pci_write()
81 		data &= ~(0xffff << shift);  in sh4_pci_write()
82 		data |= ((val & 0xffff) << shift);  in sh4_pci_write()
85 		data = val;  in sh4_pci_write()
91 	pci_write_reg(chan, data, SH4_PCIPDR);  in sh4_pci_write()