diff options
Diffstat (limited to 'arch/sh/drivers/pci/ops-sdk7780.c')
-rw-r--r-- | arch/sh/drivers/pci/ops-sdk7780.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/arch/sh/drivers/pci/ops-sdk7780.c b/arch/sh/drivers/pci/ops-sdk7780.c new file mode 100644 index 00000000000..66a9b4047f2 --- /dev/null +++ b/arch/sh/drivers/pci/ops-sdk7780.c @@ -0,0 +1,73 @@ +/* + * linux/arch/sh/drivers/pci/ops-sdk7780.c + * + * Copyright (C) 2006 Nobuhiro Iwamatsu + * + * PCI initialization for the SDK7780SE03 + * + * 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 <asm/sdk7780.h> +#include <asm/io.h> +#include "pci-sh4.h" + +/* IDSEL [16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31] */ +static char sdk7780_irq_tab[4][16] __initdata = { + /* INTA */ + { 65, 68, 67, 68, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + /* INTB */ + { 66, 65, -1, 65, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + /* INTC */ + { 67, 66, -1, 66, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + /* INTD */ + { 68, 67, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, +}; + +int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin) +{ + return sdk7780_irq_tab[pin-1][slot]; +} + +static struct resource sdk7780_io_resource = { + .name = "SH7780_IO", + .start = SH7780_PCI_IO_BASE, + .end = SH7780_PCI_IO_BASE + SH7780_PCI_IO_SIZE - 1, + .flags = IORESOURCE_IO +}; + +static struct resource sdk7780_mem_resource = { + .name = "SH7780_mem", + .start = SH7780_PCI_MEMORY_BASE, + .end = SH7780_PCI_MEMORY_BASE + SH7780_PCI_MEM_SIZE - 1, + .flags = IORESOURCE_MEM +}; + +struct pci_channel board_pci_channels[] = { + { &sh4_pci_ops, &sdk7780_io_resource, &sdk7780_mem_resource, 0, 0xff }, + { NULL, NULL, NULL, 0, 0 }, +}; +EXPORT_SYMBOL(board_pci_channels); + +static struct sh4_pci_address_map sdk7780_pci_map = { + .window0 = { + .base = SH7780_CS2_BASE_ADDR, + .size = 0x04000000, + }, + .window1 = { + .base = SH7780_CS3_BASE_ADDR, + .size = 0x04000000, + }, + .flags = SH4_PCIC_NO_RESET, +}; + +int __init pcibios_init_platform(void) +{ + printk(KERN_INFO "SH7780 PCI: Finished initializing PCI controller\n"); + return sh7780_pcic_init(&sdk7780_pci_map); +} |