sh: Move SuperH PCI driver from cpu/sh4 to drivers/pci
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index fe45839..ef7781f 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -31,6 +31,8 @@
COBJS-y += pci_indirect.o
COBJS-y += tsi108_pci.o
COBJS-y += w83c553f.o
+COBJS-$(CONFIG_SH4_PCI) += pci_sh4.o
+COBJS-$(CONFIG_SH7780_PCI) +=pci_sh7780.o
COBJS := $(COBJS-y)
SRCS := $(COBJS:.o=.c)
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;
+}
diff --git a/drivers/pci/pci_sh7780.c b/drivers/pci/pci_sh7780.c
new file mode 100644
index 0000000..d63d67d
--- /dev/null
+++ b/drivers/pci/pci_sh7780.c
@@ -0,0 +1,107 @@
+/*
+ * SH7780 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>
+ *
+ * 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 <pci.h>
+
+#define SH7780_VENDOR_ID 0x1912
+#define SH7780_DEVICE_ID 0x0002
+#define SH7780_PCICR_PREFIX 0xA5000000
+#define SH7780_PCICR_PFCS 0x00000800
+#define SH7780_PCICR_FTO 0x00000400
+#define SH7780_PCICR_PFE 0x00000200
+#define SH7780_PCICR_TBS 0x00000100
+#define SH7780_PCICR_ARBM 0x00000040
+#define SH7780_PCICR_IOCS 0x00000004
+#define SH7780_PCICR_PRST 0x00000002
+#define SH7780_PCICR_CFIN 0x00000001
+
+#define p4_in(addr) *((vu_long *)addr)
+#define p4_out(data,addr) *(vu_long *)(addr) = (data)
+#define p4_inw(addr) *((vu_short *)addr)
+#define p4_outw(data,addr) *(vu_short *)(addr) = (data)
+
+int pci_sh4_read_config_dword(struct pci_controller *hose,
+ pci_dev_t dev, int offset, u32 *value)
+{
+ u32 par_data = 0x80000000 | dev;
+
+ p4_out(par_data | (offset & 0xfc), SH7780_PCIPAR);
+ *value = p4_in(SH7780_PCIPDR);
+
+ return 0;
+}
+
+int pci_sh4_write_config_dword(struct pci_controller *hose,
+ pci_dev_t dev, int offset, u32 value)
+{
+ u32 par_data = 0x80000000 | dev;
+
+ p4_out(par_data | (offset & 0xfc), SH7780_PCIPAR);
+ p4_out(value, SH7780_PCIPDR);
+ return 0;
+}
+
+int pci_sh7780_init(struct pci_controller *hose)
+{
+ p4_out(0x01, SH7780_PCIECR);
+
+ if (p4_inw(SH7780_PCIVID) != SH7780_VENDOR_ID
+ && p4_inw(SH7780_PCIDID) != SH7780_DEVICE_ID){
+ printf("PCI: Unknown PCI host bridge.\n");
+ return;
+ }
+ printf("PCI: SH7780 PCI host bridge found.\n");
+
+ /* Toggle PCI reset pin */
+ p4_out((SH7780_PCICR_PREFIX | SH7780_PCICR_PRST), SH7780_PCICR);
+ udelay(100000);
+ p4_out(SH7780_PCICR_PREFIX, SH7780_PCICR);
+ p4_outw(0x0047, SH7780_PCICMD);
+
+ p4_out(0x07F00001, SH7780_PCILSR0);
+ p4_out(0x08000000, SH7780_PCILAR0);
+ p4_out(0x00000000, SH7780_PCILSR1);
+ p4_out(0, SH7780_PCILAR1);
+ p4_out(0x08000000, SH7780_PCIMBAR0);
+ p4_out(0x00000000, SH7780_PCIMBAR1);
+
+ p4_out(0xFD000000, SH7780_PCIMBR0);
+ p4_out(0x00FC0000, SH7780_PCIMBMR0);
+
+ /* if use Operand Cache then enable PCICSCR Soonp bits. */
+ p4_out(0x08000000, SH7780_PCICSAR0);
+ p4_out(0x0000001B, SH7780_PCICSCR0); /* Snoop bit :On */
+
+ p4_out((SH7780_PCICR_PREFIX | SH7780_PCICR_CFIN | SH7780_PCICR_ARBM
+ | SH7780_PCICR_FTO | SH7780_PCICR_PFCS | SH7780_PCICR_PFE),
+ SH7780_PCICR);
+
+ pci_sh4_init(hose);
+ return 0;
+}