diff options
Diffstat (limited to 'arch/sh/drivers/pci/fixups-sdk7780.c')
| -rw-r--r-- | arch/sh/drivers/pci/fixups-sdk7780.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/sh/drivers/pci/fixups-sdk7780.c b/arch/sh/drivers/pci/fixups-sdk7780.c new file mode 100644 index 0000000000..c306040485 --- /dev/null +++ b/arch/sh/drivers/pci/fixups-sdk7780.c @@ -0,0 +1,40 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * arch/sh/drivers/pci/fixups-sdk7780.c + * + * PCI fixups for the SDK7780SE03 + * + * Copyright (C) 2003 Lineo uSolutions, Inc. + * Copyright (C) 2004 - 2006 Paul Mundt + * Copyright (C) 2006 Nobuhiro Iwamatsu + */ +#include <linux/pci.h> +#include <linux/io.h> +#include <linux/sh_intc.h> +#include "pci-sh4.h" + +#define IRQ_INTA evt2irq(0xa20) +#define IRQ_INTB evt2irq(0xa40) +#define IRQ_INTC evt2irq(0xa60) +#define IRQ_INTD evt2irq(0xa80) + +/* IDSEL [16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31] */ +static char sdk7780_irq_tab[4][16] = { + /* INTA */ + { IRQ_INTA, IRQ_INTD, IRQ_INTC, IRQ_INTD, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1 }, + /* INTB */ + { IRQ_INTB, IRQ_INTA, -1, IRQ_INTA, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1 }, + /* INTC */ + { IRQ_INTC, IRQ_INTB, -1, IRQ_INTB, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1 }, + /* INTD */ + { IRQ_INTD, IRQ_INTC, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1 }, +}; + +int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin) +{ + return sdk7780_irq_tab[pin-1][slot]; +} |