From 1cd8e506209223ed10da805d99be55e268f4023c Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Mon, 14 Nov 2005 12:54:33 -0600 Subject: [PATCH] powerpc: moved ipic code to arch/powerpc Moved 83xx and QUICC Engine interrupt handling code into arch/powerpc as a precursor of getting 83xx sub-arch building in arch/powerpc. Signed-off-by: Kumar Gala Signed-off-by: Paul Mackerras --- arch/powerpc/sysdev/ipic.h | 49 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 arch/powerpc/sysdev/ipic.h (limited to 'arch/powerpc/sysdev/ipic.h') diff --git a/arch/powerpc/sysdev/ipic.h b/arch/powerpc/sysdev/ipic.h new file mode 100644 index 000000000000..a7ce7da8785c --- /dev/null +++ b/arch/powerpc/sysdev/ipic.h @@ -0,0 +1,49 @@ +/* + * arch/ppc/kernel/ipic.h + * + * IPIC private definitions and structure. + * + * Maintainer: Kumar Gala + * + * Copyright 2005 Freescale Semiconductor, Inc + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ +#ifndef __IPIC_H__ +#define __IPIC_H__ + +#include + +#define MPC83xx_IPIC_SIZE (0x00100) + +/* System Global Interrupt Configuration Register */ +#define SICFR_IPSA 0x00010000 +#define SICFR_IPSD 0x00080000 +#define SICFR_MPSA 0x00200000 +#define SICFR_MPSB 0x00400000 + +/* System External Interrupt Mask Register */ +#define SEMSR_SIRQ0 0x00008000 + +/* System Error Control Register */ +#define SERCR_MCPR 0x00000001 + +struct ipic { + volatile u32 __iomem *regs; + unsigned int irq_offset; +}; + +struct ipic_info { + u8 pend; /* pending register offset from base */ + u8 mask; /* mask register offset from base */ + u8 prio; /* priority register offset from base */ + u8 force; /* force register offset from base */ + u8 bit; /* register bit position (as per doc) + bit mask = 1 << (31 - bit) */ + u8 prio_mask; /* priority mask value */ +}; + +#endif /* __IPIC_H__ */ -- cgit v1.2.3