^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * IPIC private definitions and structure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Maintainer: Kumar Gala <galak@kernel.crashing.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright 2005 Freescale Semiconductor, Inc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #ifndef __IPIC_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define __IPIC_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <asm/ipic.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define NR_IPIC_INTS 128
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) /* External IRQS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define IPIC_IRQ_EXT0 48
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define IPIC_IRQ_EXT1 17
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define IPIC_IRQ_EXT7 23
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /* Default Priority Registers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define IPIC_PRIORITY_DEFAULT 0x05309770
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) /* System Global Interrupt Configuration Register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define SICFR_IPSA 0x00010000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define SICFR_IPSB 0x00020000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define SICFR_IPSC 0x00040000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define SICFR_IPSD 0x00080000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define SICFR_MPSA 0x00200000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define SICFR_MPSB 0x00400000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) /* System External Interrupt Mask Register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define SEMSR_SIRQ0 0x00008000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) /* System Error Control Register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define SERCR_MCPR 0x00000001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) struct ipic {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) volatile u32 __iomem *regs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) /* The remapper for this IPIC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct irq_domain *irqhost;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct ipic_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) u8 ack; /* pending register offset from base if the irq
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) supports ack operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) u8 mask; /* mask register offset from base */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) u8 prio; /* priority register offset from base */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) u8 force; /* force register offset from base */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) u8 bit; /* register bit position (as per doc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) bit mask = 1 << (31 - bit) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) u8 prio_mask; /* priority mask value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #endif /* __IPIC_H__ */