2eeec85638
This patch converts the board specific interrupt code for r2d to make use of intc. While at it we improve the Kconfig to avoid confusion. - Two sets of interrupt tables exist - one for R2D-1 and one for R2D-PLUS. - R2D-1 and R2D-PLUS use the same irq constants. - R2D-1 has AX88796 support, R2D-PLUS does not hook up that IRQ. - R2D-PLUS has KEY support, R2D-1 does not hook up that IRQ. - The number and order of IRQ values are disconnected from register bits. - Interrupt sources now start from IRQ 100. - The machvec demux function converts from irlm IRQ 0-14 to IRQ 100++. Tested on R2D-1 and R2D-PLUS boards. Version 2 adds CONFIG_RTS7751R2D_1 and CONFIG_RTS7751R2D_PLUS together with intc structured as __initdata. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
73 lines
1.6 KiB
C
73 lines
1.6 KiB
C
/*
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* linux/arch/sh/drivers/pci/ops-rts7751r2d.c
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*
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* Author: Ian DaSilva (idasilva@mvista.com)
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*
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* Highly leveraged from pci-bigsur.c, written by Dustin McIntire.
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*
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* May be copied or modified under the terms of the GNU General Public
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* License. See linux/COPYING for more information.
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*
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* PCI initialization for the Renesas SH7751R RTS7751R2D board
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*/
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/pci.h>
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#include <linux/io.h>
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#include <asm/rts7751r2d.h>
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#include "pci-sh4.h"
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static u8 rts7751r2d_irq_tab[] __initdata = {
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IRQ_PCI_INTA,
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IRQ_PCI_INTB,
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IRQ_PCI_INTC,
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IRQ_PCI_INTD,
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};
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int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
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{
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return rts7751r2d_irq_tab[slot];
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}
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static struct resource sh7751_io_resource = {
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.name = "SH7751_IO",
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.start = 0x4000,
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.end = 0x4000 + SH7751_PCI_IO_SIZE - 1,
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.flags = IORESOURCE_IO
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};
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static struct resource sh7751_mem_resource = {
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.name = "SH7751_mem",
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.start = SH7751_PCI_MEMORY_BASE,
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.end = SH7751_PCI_MEMORY_BASE + SH7751_PCI_MEM_SIZE - 1,
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.flags = IORESOURCE_MEM
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};
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extern struct pci_ops sh7751_pci_ops;
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struct pci_channel board_pci_channels[] = {
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{ &sh4_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0xff },
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{ NULL, NULL, NULL, 0, 0 },
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};
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EXPORT_SYMBOL(board_pci_channels);
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static struct sh4_pci_address_map sh7751_pci_map = {
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.window0 = {
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.base = SH7751_CS3_BASE_ADDR,
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.size = 0x04000000,
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},
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.window1 = {
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.base = 0x00000000, /* Unused */
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.size = 0x00000000, /* Unused */
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},
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.flags = SH4_PCIC_NO_RESET,
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};
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int __init pcibios_init_platform(void)
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{
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return sh7751_pcic_init(&sh7751_pci_map);
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}
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