sh: Move SuperH PCI driver from cpu/sh4 to drivers/pci

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

1 files changed, 76 insertions, 0 deletions

diff --git a/drivers/pci/pci_sh4.c b/drivers/pci/pci_sh4.c
new file mode 100644
index 0000000..1290c0a
--- /dev/null
+++ b/drivers/pci/pci_sh4.c
@@ -0,0 +1,76 @@
+/*
+ * SH4 PCI Controller (PCIC) for U-Boot.
+ * (C) Dustin McIntire (dustin@sensoria.com)
+ * (C) 2007,2008 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ * (C) 2008 Yusuke Goda <goda.yusuke@renesas.com>
+ *
+ * u-boot/cpu/sh4/pci-sh4.c
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <asm/pci.h>
+#include <pci.h>
+
+int pci_sh4_init(struct pci_controller *hose)
+{
+	hose->first_busno = 0;
+	hose->region_count = 0;
+	hose->last_busno = 0xff;
+
+	/* PCI memory space */
+	pci_set_region(hose->regions + 0,
+		CONFIG_PCI_MEM_BUS,
+		CONFIG_PCI_MEM_PHYS,
+		CONFIG_PCI_MEM_SIZE,
+		PCI_REGION_MEM);
+	hose->region_count++;
+
+	/* PCI IO space */
+	pci_set_region(hose->regions + 1,
+		CONFIG_PCI_IO_BUS,
+		CONFIG_PCI_IO_PHYS,
+		CONFIG_PCI_IO_SIZE,
+		PCI_REGION_IO);
+	hose->region_count++;
+
+	udelay(1000);
+
+	pci_set_ops(hose,
+		    pci_hose_read_config_byte_via_dword,
+		    pci_hose_read_config_word_via_dword,
+		    pci_sh4_read_config_dword,
+		    pci_hose_write_config_byte_via_dword,
+		    pci_hose_write_config_word_via_dword,
+		    pci_sh4_write_config_dword);
+
+	pci_register_hose(hose);
+
+	udelay(1000);
+
+#ifdef CONFIG_PCI_SCAN_SHOW
+	printf("PCI:   Bus Dev VenId DevId Class Int\n");
+#endif
+	hose->last_busno = pci_hose_scan(hose);
+	return 0;
+}