This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / arch / sh / drivers / pci / ops-landisk.c

diff --git a/arch/sh/drivers/pci/ops-landisk.c b/arch/sh/drivers/pci/ops-landisk.c
new file mode 100644 (file)
index 0000000..d060308
--- /dev/null
+++ b/arch/sh/drivers/pci/ops-landisk.c
@@ -0,0 +1,67 @@
+/*
+ * arch/sh/drivers/pci/ops-landisk.c
+ *
+ * PCI initialization for the I-O DATA Device, Inc. LANDISK board
+ *
+ * Copyright (C) 2006 kogiidena
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License.  See linux/COPYING for more information.
+ */
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pci.h>
+#include "pci-sh4.h"
+
+static struct resource sh7751_io_resource = {
+       .name = "SH7751 IO",
+       .start = 0x4000,
+       .end = 0x4000 + SH7751_PCI_IO_SIZE - 1,
+       .flags = IORESOURCE_IO
+};
+
+static struct resource sh7751_mem_resource = {
+       .name = "SH7751 mem",
+       .start = SH7751_PCI_MEMORY_BASE,
+       .end = SH7751_PCI_MEMORY_BASE + SH7751_PCI_MEM_SIZE - 1,
+       .flags = IORESOURCE_MEM
+};
+
+struct pci_channel board_pci_channels[] = {
+       {&sh4_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0x3ff},
+       {NULL, NULL, NULL, 0, 0},
+};
+
+static struct sh4_pci_address_map sh7751_pci_map = {
+       .window0 = {
+               .base   = SH7751_CS3_BASE_ADDR,
+               .size   = (64 << 20),   /* 64MB */
+       },
+
+       .flags = SH4_PCIC_NO_RESET,
+};
+
+int __init pcibios_init_platform(void)
+{
+       return sh7751_pcic_init(&sh7751_pci_map);
+}
+
+int pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
+{
+       /*
+        * slot0: pin1-4 = irq5,6,7,8
+        * slot1: pin1-4 = irq6,7,8,5
+        * slot2: pin1-4 = irq7,8,5,6
+        * slot3: pin1-4 = irq8,5,6,7
+        */
+       int irq = ((slot + pin - 1) & 0x3) + 5;
+
+       if ((slot | (pin - 1)) > 0x3) {
+               printk("PCI: Bad IRQ mapping request for slot %d pin %c\n",
+                      slot, pin - 1 + 'A');
+               return -1;
+       }
+       return irq;
+}