diff options
Diffstat (limited to 'arch/sh/drivers/pci/ops-rts7751r2d.c')
| -rw-r--r-- | arch/sh/drivers/pci/ops-rts7751r2d.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/sh/drivers/pci/ops-rts7751r2d.c b/arch/sh/drivers/pci/ops-rts7751r2d.c new file mode 100644 index 000000000000..beafa11f4d0c --- /dev/null +++ b/arch/sh/drivers/pci/ops-rts7751r2d.c @@ -0,0 +1,79 @@ +/* + * linux/arch/sh/kernel/pci-rts7751r2d.c + * + * Author: Ian DaSilva (idasilva@mvista.com) + * + * Highly leveraged from pci-bigsur.c, written by Dustin McIntire. + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * PCI initialization for the Renesas SH7751R RTS7751R2D board + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/pci.h> +#include <linux/module.h> + +#include <asm/io.h> +#include "pci-sh7751.h" +#include <asm/rts7751r2d/rts7751r2d.h> + +int __init pcibios_map_platform_irq(u8 slot, u8 pin) +{ + switch (slot) { + case 0: return IRQ_PCISLOT1; /* PCI Extend slot #1 */ + case 1: return IRQ_PCISLOT2; /* PCI Extend slot #2 */ + case 2: return IRQ_PCMCIA; /* PCI Cardbus Bridge */ + case 3: return IRQ_PCIETH; /* Realtek Ethernet controller */ + default: + printk("PCI: Bad IRQ mapping request for slot %d\n", slot); + return -1; + } +} + +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 +}; + +extern struct pci_ops sh7751_pci_ops; + +struct pci_channel board_pci_channels[] = { + { &sh7751_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0xff }, + { NULL, NULL, NULL, 0, 0 }, +}; +EXPORT_SYMBOL(board_pci_channels); + +static struct sh7751_pci_address_map sh7751_pci_map = { + .window0 = { + .base = SH7751_CS3_BASE_ADDR, + .size = 0x04000000, + }, + + .window1 = { + .base = 0x00000000, /* Unused */ + .size = 0x00000000, /* Unused */ + }, + + .flags = SH7751_PCIC_NO_RESET, +}; + +int __init pcibios_init_platform(void) +{ + return sh7751_pcic_init(&sh7751_pci_map); +} + |