obj-$(CONFIG_40x) += dcr.o
obj-$(CONFIG_U3_DART) += u3_iommu.o
obj-$(CONFIG_MMIO_NVRAM) += mmio_nvram.o
+obj-$(CONFIG_83xx) += ipic.o
--- /dev/null
+/*
+ * include/asm-ppc/ipic.c
+ *
+ * IPIC routines implementations.
+ *
+ * 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.
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/reboot.h>
+#include <linux/slab.h>
+#include <linux/stddef.h>
+#include <linux/sched.h>
+#include <linux/signal.h>
+#include <linux/sysdev.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include <asm/ipic.h>
+#include <asm/mpc83xx.h>
+
+#include "ipic.h"
+
+static struct ipic p_ipic;
+static struct ipic * primary_ipic;
+
+static struct ipic_info ipic_info[] = {
+ [9] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_H,
+ .prio = IPIC_SIPRR_D,
+ .force = IPIC_SIFCR_H,
+ .bit = 24,
+ .prio_mask = 0,
+ },
+ [10] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_H,
+ .prio = IPIC_SIPRR_D,
+ .force = IPIC_SIFCR_H,
+ .bit = 25,
+ .prio_mask = 1,
+ },
+ [11] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_H,
+ .prio = IPIC_SIPRR_D,
+ .force = IPIC_SIFCR_H,
+ .bit = 26,
+ .prio_mask = 2,
+ },
+ [14] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_H,
+ .prio = IPIC_SIPRR_D,
+ .force = IPIC_SIFCR_H,
+ .bit = 29,
+ .prio_mask = 5,
+ },
+ [15] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_H,
+ .prio = IPIC_SIPRR_D,
+ .force = IPIC_SIFCR_H,
+ .bit = 30,
+ .prio_mask = 6,
+ },
+ [16] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_H,
+ .prio = IPIC_SIPRR_D,
+ .force = IPIC_SIFCR_H,
+ .bit = 31,
+ .prio_mask = 7,
+ },
+ [17] = {
+ .pend = IPIC_SEPNR,
+ .mask = IPIC_SEMSR,
+ .prio = IPIC_SMPRR_A,
+ .force = IPIC_SEFCR,
+ .bit = 1,
+ .prio_mask = 5,
+ },
+ [18] = {
+ .pend = IPIC_SEPNR,
+ .mask = IPIC_SEMSR,
+ .prio = IPIC_SMPRR_A,
+ .force = IPIC_SEFCR,
+ .bit = 2,
+ .prio_mask = 6,
+ },
+ [19] = {
+ .pend = IPIC_SEPNR,
+ .mask = IPIC_SEMSR,
+ .prio = IPIC_SMPRR_A,
+ .force = IPIC_SEFCR,
+ .bit = 3,
+ .prio_mask = 7,
+ },
+ [20] = {
+ .pend = IPIC_SEPNR,
+ .mask = IPIC_SEMSR,
+ .prio = IPIC_SMPRR_B,
+ .force = IPIC_SEFCR,
+ .bit = 4,
+ .prio_mask = 4,
+ },
+ [21] = {
+ .pend = IPIC_SEPNR,
+ .mask = IPIC_SEMSR,
+ .prio = IPIC_SMPRR_B,
+ .force = IPIC_SEFCR,
+ .bit = 5,
+ .prio_mask = 5,
+ },
+ [22] = {
+ .pend = IPIC_SEPNR,
+ .mask = IPIC_SEMSR,
+ .prio = IPIC_SMPRR_B,
+ .force = IPIC_SEFCR,
+ .bit = 6,
+ .prio_mask = 6,
+ },
+ [23] = {
+ .pend = IPIC_SEPNR,
+ .mask = IPIC_SEMSR,
+ .prio = IPIC_SMPRR_B,
+ .force = IPIC_SEFCR,
+ .bit = 7,
+ .prio_mask = 7,
+ },
+ [32] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_H,
+ .prio = IPIC_SIPRR_A,
+ .force = IPIC_SIFCR_H,
+ .bit = 0,
+ .prio_mask = 0,
+ },
+ [33] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_H,
+ .prio = IPIC_SIPRR_A,
+ .force = IPIC_SIFCR_H,
+ .bit = 1,
+ .prio_mask = 1,
+ },
+ [34] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_H,
+ .prio = IPIC_SIPRR_A,
+ .force = IPIC_SIFCR_H,
+ .bit = 2,
+ .prio_mask = 2,
+ },
+ [35] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_H,
+ .prio = IPIC_SIPRR_A,
+ .force = IPIC_SIFCR_H,
+ .bit = 3,
+ .prio_mask = 3,
+ },
+ [36] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_H,
+ .prio = IPIC_SIPRR_A,
+ .force = IPIC_SIFCR_H,
+ .bit = 4,
+ .prio_mask = 4,
+ },
+ [37] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_H,
+ .prio = IPIC_SIPRR_A,
+ .force = IPIC_SIFCR_H,
+ .bit = 5,
+ .prio_mask = 5,
+ },
+ [38] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_H,
+ .prio = IPIC_SIPRR_A,
+ .force = IPIC_SIFCR_H,
+ .bit = 6,
+ .prio_mask = 6,
+ },
+ [39] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_H,
+ .prio = IPIC_SIPRR_A,
+ .force = IPIC_SIFCR_H,
+ .bit = 7,
+ .prio_mask = 7,
+ },
+ [48] = {
+ .pend = IPIC_SEPNR,
+ .mask = IPIC_SEMSR,
+ .prio = IPIC_SMPRR_A,
+ .force = IPIC_SEFCR,
+ .bit = 0,
+ .prio_mask = 4,
+ },
+ [64] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_L,
+ .prio = IPIC_SMPRR_A,
+ .force = IPIC_SIFCR_L,
+ .bit = 0,
+ .prio_mask = 0,
+ },
+ [65] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_L,
+ .prio = IPIC_SMPRR_A,
+ .force = IPIC_SIFCR_L,
+ .bit = 1,
+ .prio_mask = 1,
+ },
+ [66] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_L,
+ .prio = IPIC_SMPRR_A,
+ .force = IPIC_SIFCR_L,
+ .bit = 2,
+ .prio_mask = 2,
+ },
+ [67] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_L,
+ .prio = IPIC_SMPRR_A,
+ .force = IPIC_SIFCR_L,
+ .bit = 3,
+ .prio_mask = 3,
+ },
+ [68] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_L,
+ .prio = IPIC_SMPRR_B,
+ .force = IPIC_SIFCR_L,
+ .bit = 4,
+ .prio_mask = 0,
+ },
+ [69] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_L,
+ .prio = IPIC_SMPRR_B,
+ .force = IPIC_SIFCR_L,
+ .bit = 5,
+ .prio_mask = 1,
+ },
+ [70] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_L,
+ .prio = IPIC_SMPRR_B,
+ .force = IPIC_SIFCR_L,
+ .bit = 6,
+ .prio_mask = 2,
+ },
+ [71] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_L,
+ .prio = IPIC_SMPRR_B,
+ .force = IPIC_SIFCR_L,
+ .bit = 7,
+ .prio_mask = 3,
+ },
+ [72] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_L,
+ .prio = 0,
+ .force = IPIC_SIFCR_L,
+ .bit = 8,
+ },
+ [73] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_L,
+ .prio = 0,
+ .force = IPIC_SIFCR_L,
+ .bit = 9,
+ },
+ [74] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_L,
+ .prio = 0,
+ .force = IPIC_SIFCR_L,
+ .bit = 10,
+ },
+ [75] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_L,
+ .prio = 0,
+ .force = IPIC_SIFCR_L,
+ .bit = 11,
+ },
+ [76] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_L,
+ .prio = 0,
+ .force = IPIC_SIFCR_L,
+ .bit = 12,
+ },
+ [77] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_L,
+ .prio = 0,
+ .force = IPIC_SIFCR_L,
+ .bit = 13,
+ },
+ [78] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_L,
+ .prio = 0,
+ .force = IPIC_SIFCR_L,
+ .bit = 14,
+ },
+ [79] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_L,
+ .prio = 0,
+ .force = IPIC_SIFCR_L,
+ .bit = 15,
+ },
+ [80] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_L,
+ .prio = 0,
+ .force = IPIC_SIFCR_L,
+ .bit = 16,
+ },
+ [84] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_L,
+ .prio = 0,
+ .force = IPIC_SIFCR_L,
+ .bit = 20,
+ },
+ [85] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_L,
+ .prio = 0,
+ .force = IPIC_SIFCR_L,
+ .bit = 21,
+ },
+ [90] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_L,
+ .prio = 0,
+ .force = IPIC_SIFCR_L,
+ .bit = 26,
+ },
+ [91] = {
+ .pend = IPIC_SIPNR_H,
+ .mask = IPIC_SIMSR_L,
+ .prio = 0,
+ .force = IPIC_SIFCR_L,
+ .bit = 27,
+ },
+};
+
+static inline u32 ipic_read(volatile u32 __iomem *base, unsigned int reg)
+{
+ return in_be32(base + (reg >> 2));
+}
+
+static inline void ipic_write(volatile u32 __iomem *base, unsigned int reg, u32 value)
+{
+ out_be32(base + (reg >> 2), value);
+}
+
+static inline struct ipic * ipic_from_irq(unsigned int irq)
+{
+ return primary_ipic;
+}
+
+static void ipic_enable_irq(unsigned int irq)
+{
+ struct ipic *ipic = ipic_from_irq(irq);
+ unsigned int src = irq - ipic->irq_offset;
+ u32 temp;
+
+ temp = ipic_read(ipic->regs, ipic_info[src].mask);
+ temp |= (1 << (31 - ipic_info[src].bit));
+ ipic_write(ipic->regs, ipic_info[src].mask, temp);
+}
+
+static void ipic_disable_irq(unsigned int irq)
+{
+ struct ipic *ipic = ipic_from_irq(irq);
+ unsigned int src = irq - ipic->irq_offset;
+ u32 temp;
+
+ temp = ipic_read(ipic->regs, ipic_info[src].mask);
+ temp &= ~(1 << (31 - ipic_info[src].bit));
+ ipic_write(ipic->regs, ipic_info[src].mask, temp);
+}
+
+static void ipic_disable_irq_and_ack(unsigned int irq)
+{
+ struct ipic *ipic = ipic_from_irq(irq);
+ unsigned int src = irq - ipic->irq_offset;
+ u32 temp;
+
+ ipic_disable_irq(irq);
+
+ temp = ipic_read(ipic->regs, ipic_info[src].pend);
+ temp |= (1 << (31 - ipic_info[src].bit));
+ ipic_write(ipic->regs, ipic_info[src].pend, temp);
+}
+
+static void ipic_end_irq(unsigned int irq)
+{
+ if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
+ ipic_enable_irq(irq);
+}
+
+struct hw_interrupt_type ipic = {
+ .typename = " IPIC ",
+ .enable = ipic_enable_irq,
+ .disable = ipic_disable_irq,
+ .ack = ipic_disable_irq_and_ack,
+ .end = ipic_end_irq,
+};
+
+void __init ipic_init(phys_addr_t phys_addr,
+ unsigned int flags,
+ unsigned int irq_offset,
+ unsigned char *senses,
+ unsigned int senses_count)
+{
+ u32 i, temp = 0;
+
+ primary_ipic = &p_ipic;
+ primary_ipic->regs = ioremap(phys_addr, MPC83xx_IPIC_SIZE);
+
+ primary_ipic->irq_offset = irq_offset;
+
+ ipic_write(primary_ipic->regs, IPIC_SICNR, 0x0);
+
+ /* default priority scheme is grouped. If spread mode is required
+ * configure SICFR accordingly */
+ if (flags & IPIC_SPREADMODE_GRP_A)
+ temp |= SICFR_IPSA;
+ if (flags & IPIC_SPREADMODE_GRP_D)
+ temp |= SICFR_IPSD;
+ if (flags & IPIC_SPREADMODE_MIX_A)
+ temp |= SICFR_MPSA;
+ if (flags & IPIC_SPREADMODE_MIX_B)
+ temp |= SICFR_MPSB;
+
+ ipic_write(primary_ipic->regs, IPIC_SICNR, temp);
+
+ /* handle MCP route */
+ temp = 0;
+ if (flags & IPIC_DISABLE_MCP_OUT)
+ temp = SERCR_MCPR;
+ ipic_write(primary_ipic->regs, IPIC_SERCR, temp);
+
+ /* handle routing of IRQ0 to MCP */
+ temp = ipic_read(primary_ipic->regs, IPIC_SEMSR);
+
+ if (flags & IPIC_IRQ0_MCP)
+ temp |= SEMSR_SIRQ0;
+ else
+ temp &= ~SEMSR_SIRQ0;
+
+ ipic_write(primary_ipic->regs, IPIC_SEMSR, temp);
+
+ for (i = 0 ; i < NR_IPIC_INTS ; i++) {
+ irq_desc[i+irq_offset].handler = &ipic;
+ irq_desc[i+irq_offset].status = IRQ_LEVEL;
+ }
+
+ temp = 0;
+ for (i = 0 ; i < senses_count ; i++) {
+ if ((senses[i] & IRQ_SENSE_MASK) == IRQ_SENSE_EDGE) {
+ temp |= 1 << (15 - i);
+ if (i != 0)
+ irq_desc[i + irq_offset + MPC83xx_IRQ_EXT1 - 1].status = 0;
+ else
+ irq_desc[irq_offset + MPC83xx_IRQ_EXT0].status = 0;
+ }
+ }
+ ipic_write(primary_ipic->regs, IPIC_SECNR, temp);
+
+ printk ("IPIC (%d IRQ sources, %d External IRQs) at %p\n", NR_IPIC_INTS,
+ senses_count, primary_ipic->regs);
+}
+
+int ipic_set_priority(unsigned int irq, unsigned int priority)
+{
+ struct ipic *ipic = ipic_from_irq(irq);
+ unsigned int src = irq - ipic->irq_offset;
+ u32 temp;
+
+ if (priority > 7)
+ return -EINVAL;
+ if (src > 127)
+ return -EINVAL;
+ if (ipic_info[src].prio == 0)
+ return -EINVAL;
+
+ temp = ipic_read(ipic->regs, ipic_info[src].prio);
+
+ if (priority < 4) {
+ temp &= ~(0x7 << (20 + (3 - priority) * 3));
+ temp |= ipic_info[src].prio_mask << (20 + (3 - priority) * 3);
+ } else {
+ temp &= ~(0x7 << (4 + (7 - priority) * 3));
+ temp |= ipic_info[src].prio_mask << (4 + (7 - priority) * 3);
+ }
+
+ ipic_write(ipic->regs, ipic_info[src].prio, temp);
+
+ return 0;
+}
+
+void ipic_set_highest_priority(unsigned int irq)
+{
+ struct ipic *ipic = ipic_from_irq(irq);
+ unsigned int src = irq - ipic->irq_offset;
+ u32 temp;
+
+ temp = ipic_read(ipic->regs, IPIC_SICFR);
+
+ /* clear and set HPI */
+ temp &= 0x7f000000;
+ temp |= (src & 0x7f) << 24;
+
+ ipic_write(ipic->regs, IPIC_SICFR, temp);
+}
+
+void ipic_set_default_priority(void)
+{
+ ipic_set_priority(MPC83xx_IRQ_TSEC1_TX, 0);
+ ipic_set_priority(MPC83xx_IRQ_TSEC1_RX, 1);
+ ipic_set_priority(MPC83xx_IRQ_TSEC1_ERROR, 2);
+ ipic_set_priority(MPC83xx_IRQ_TSEC2_TX, 3);
+ ipic_set_priority(MPC83xx_IRQ_TSEC2_RX, 4);
+ ipic_set_priority(MPC83xx_IRQ_TSEC2_ERROR, 5);
+ ipic_set_priority(MPC83xx_IRQ_USB2_DR, 6);
+ ipic_set_priority(MPC83xx_IRQ_USB2_MPH, 7);
+
+ ipic_set_priority(MPC83xx_IRQ_UART1, 0);
+ ipic_set_priority(MPC83xx_IRQ_UART2, 1);
+ ipic_set_priority(MPC83xx_IRQ_SEC2, 2);
+ ipic_set_priority(MPC83xx_IRQ_IIC1, 5);
+ ipic_set_priority(MPC83xx_IRQ_IIC2, 6);
+ ipic_set_priority(MPC83xx_IRQ_SPI, 7);
+ ipic_set_priority(MPC83xx_IRQ_RTC_SEC, 0);
+ ipic_set_priority(MPC83xx_IRQ_PIT, 1);
+ ipic_set_priority(MPC83xx_IRQ_PCI1, 2);
+ ipic_set_priority(MPC83xx_IRQ_PCI2, 3);
+ ipic_set_priority(MPC83xx_IRQ_EXT0, 4);
+ ipic_set_priority(MPC83xx_IRQ_EXT1, 5);
+ ipic_set_priority(MPC83xx_IRQ_EXT2, 6);
+ ipic_set_priority(MPC83xx_IRQ_EXT3, 7);
+ ipic_set_priority(MPC83xx_IRQ_RTC_ALR, 0);
+ ipic_set_priority(MPC83xx_IRQ_MU, 1);
+ ipic_set_priority(MPC83xx_IRQ_SBA, 2);
+ ipic_set_priority(MPC83xx_IRQ_DMA, 3);
+ ipic_set_priority(MPC83xx_IRQ_EXT4, 4);
+ ipic_set_priority(MPC83xx_IRQ_EXT5, 5);
+ ipic_set_priority(MPC83xx_IRQ_EXT6, 6);
+ ipic_set_priority(MPC83xx_IRQ_EXT7, 7);
+}
+
+void ipic_enable_mcp(enum ipic_mcp_irq mcp_irq)
+{
+ struct ipic *ipic = primary_ipic;
+ u32 temp;
+
+ temp = ipic_read(ipic->regs, IPIC_SERMR);
+ temp |= (1 << (31 - mcp_irq));
+ ipic_write(ipic->regs, IPIC_SERMR, temp);
+}
+
+void ipic_disable_mcp(enum ipic_mcp_irq mcp_irq)
+{
+ struct ipic *ipic = primary_ipic;
+ u32 temp;
+
+ temp = ipic_read(ipic->regs, IPIC_SERMR);
+ temp &= (1 << (31 - mcp_irq));
+ ipic_write(ipic->regs, IPIC_SERMR, temp);
+}
+
+u32 ipic_get_mcp_status(void)
+{
+ return ipic_read(primary_ipic->regs, IPIC_SERMR);
+}
+
+void ipic_clear_mcp_status(u32 mask)
+{
+ ipic_write(primary_ipic->regs, IPIC_SERMR, mask);
+}
+
+/* Return an interrupt vector or -1 if no interrupt is pending. */
+int ipic_get_irq(struct pt_regs *regs)
+{
+ int irq;
+
+ irq = ipic_read(primary_ipic->regs, IPIC_SIVCR) & 0x7f;
+
+ if (irq == 0) /* 0 --> no irq is pending */
+ irq = -1;
+
+ return irq;
+}
+
+static struct sysdev_class ipic_sysclass = {
+ set_kset_name("ipic"),
+};
+
+static struct sys_device device_ipic = {
+ .id = 0,
+ .cls = &ipic_sysclass,
+};
+
+static int __init init_ipic_sysfs(void)
+{
+ int rc;
+
+ if (!primary_ipic->regs)
+ return -ENODEV;
+ printk(KERN_DEBUG "Registering ipic with sysfs...\n");
+
+ rc = sysdev_class_register(&ipic_sysclass);
+ if (rc) {
+ printk(KERN_ERR "Failed registering ipic sys class\n");
+ return -ENODEV;
+ }
+ rc = sysdev_register(&device_ipic);
+ if (rc) {
+ printk(KERN_ERR "Failed registering ipic sys device\n");
+ return -ENODEV;
+ }
+ return 0;
+}
+
+subsys_initcall(init_ipic_sysfs);
--- /dev/null
+/*
+ * arch/ppc/kernel/ipic.h
+ *
+ * IPIC private definitions and structure.
+ *
+ * Maintainer: Kumar Gala <galak@kernel.crashing.org>
+ *
+ * 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 <asm/ipic.h>
+
+#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__ */
obj-$(CONFIG_PCI) += pci_auto.o
endif
obj-$(CONFIG_RAPIDIO) += ppc85xx_rio.o
-obj-$(CONFIG_83xx) += ipic.o ppc83xx_setup.o ppc_sys.o \
+obj-$(CONFIG_83xx) += ppc83xx_setup.o ppc_sys.o \
mpc83xx_sys.o mpc83xx_devices.o
ifeq ($(CONFIG_83xx),y)
obj-$(CONFIG_PCI) += pci_auto.o
+++ /dev/null
-/*
- * include/asm-ppc/ipic.c
- *
- * IPIC routines implementations.
- *
- * 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.
- */
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/reboot.h>
-#include <linux/slab.h>
-#include <linux/stddef.h>
-#include <linux/sched.h>
-#include <linux/signal.h>
-#include <linux/sysdev.h>
-#include <asm/irq.h>
-#include <asm/io.h>
-#include <asm/ipic.h>
-#include <asm/mpc83xx.h>
-
-#include "ipic.h"
-
-static struct ipic p_ipic;
-static struct ipic * primary_ipic;
-
-static struct ipic_info ipic_info[] = {
- [9] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_H,
- .prio = IPIC_SIPRR_D,
- .force = IPIC_SIFCR_H,
- .bit = 24,
- .prio_mask = 0,
- },
- [10] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_H,
- .prio = IPIC_SIPRR_D,
- .force = IPIC_SIFCR_H,
- .bit = 25,
- .prio_mask = 1,
- },
- [11] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_H,
- .prio = IPIC_SIPRR_D,
- .force = IPIC_SIFCR_H,
- .bit = 26,
- .prio_mask = 2,
- },
- [14] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_H,
- .prio = IPIC_SIPRR_D,
- .force = IPIC_SIFCR_H,
- .bit = 29,
- .prio_mask = 5,
- },
- [15] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_H,
- .prio = IPIC_SIPRR_D,
- .force = IPIC_SIFCR_H,
- .bit = 30,
- .prio_mask = 6,
- },
- [16] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_H,
- .prio = IPIC_SIPRR_D,
- .force = IPIC_SIFCR_H,
- .bit = 31,
- .prio_mask = 7,
- },
- [17] = {
- .pend = IPIC_SEPNR,
- .mask = IPIC_SEMSR,
- .prio = IPIC_SMPRR_A,
- .force = IPIC_SEFCR,
- .bit = 1,
- .prio_mask = 5,
- },
- [18] = {
- .pend = IPIC_SEPNR,
- .mask = IPIC_SEMSR,
- .prio = IPIC_SMPRR_A,
- .force = IPIC_SEFCR,
- .bit = 2,
- .prio_mask = 6,
- },
- [19] = {
- .pend = IPIC_SEPNR,
- .mask = IPIC_SEMSR,
- .prio = IPIC_SMPRR_A,
- .force = IPIC_SEFCR,
- .bit = 3,
- .prio_mask = 7,
- },
- [20] = {
- .pend = IPIC_SEPNR,
- .mask = IPIC_SEMSR,
- .prio = IPIC_SMPRR_B,
- .force = IPIC_SEFCR,
- .bit = 4,
- .prio_mask = 4,
- },
- [21] = {
- .pend = IPIC_SEPNR,
- .mask = IPIC_SEMSR,
- .prio = IPIC_SMPRR_B,
- .force = IPIC_SEFCR,
- .bit = 5,
- .prio_mask = 5,
- },
- [22] = {
- .pend = IPIC_SEPNR,
- .mask = IPIC_SEMSR,
- .prio = IPIC_SMPRR_B,
- .force = IPIC_SEFCR,
- .bit = 6,
- .prio_mask = 6,
- },
- [23] = {
- .pend = IPIC_SEPNR,
- .mask = IPIC_SEMSR,
- .prio = IPIC_SMPRR_B,
- .force = IPIC_SEFCR,
- .bit = 7,
- .prio_mask = 7,
- },
- [32] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_H,
- .prio = IPIC_SIPRR_A,
- .force = IPIC_SIFCR_H,
- .bit = 0,
- .prio_mask = 0,
- },
- [33] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_H,
- .prio = IPIC_SIPRR_A,
- .force = IPIC_SIFCR_H,
- .bit = 1,
- .prio_mask = 1,
- },
- [34] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_H,
- .prio = IPIC_SIPRR_A,
- .force = IPIC_SIFCR_H,
- .bit = 2,
- .prio_mask = 2,
- },
- [35] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_H,
- .prio = IPIC_SIPRR_A,
- .force = IPIC_SIFCR_H,
- .bit = 3,
- .prio_mask = 3,
- },
- [36] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_H,
- .prio = IPIC_SIPRR_A,
- .force = IPIC_SIFCR_H,
- .bit = 4,
- .prio_mask = 4,
- },
- [37] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_H,
- .prio = IPIC_SIPRR_A,
- .force = IPIC_SIFCR_H,
- .bit = 5,
- .prio_mask = 5,
- },
- [38] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_H,
- .prio = IPIC_SIPRR_A,
- .force = IPIC_SIFCR_H,
- .bit = 6,
- .prio_mask = 6,
- },
- [39] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_H,
- .prio = IPIC_SIPRR_A,
- .force = IPIC_SIFCR_H,
- .bit = 7,
- .prio_mask = 7,
- },
- [48] = {
- .pend = IPIC_SEPNR,
- .mask = IPIC_SEMSR,
- .prio = IPIC_SMPRR_A,
- .force = IPIC_SEFCR,
- .bit = 0,
- .prio_mask = 4,
- },
- [64] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_L,
- .prio = IPIC_SMPRR_A,
- .force = IPIC_SIFCR_L,
- .bit = 0,
- .prio_mask = 0,
- },
- [65] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_L,
- .prio = IPIC_SMPRR_A,
- .force = IPIC_SIFCR_L,
- .bit = 1,
- .prio_mask = 1,
- },
- [66] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_L,
- .prio = IPIC_SMPRR_A,
- .force = IPIC_SIFCR_L,
- .bit = 2,
- .prio_mask = 2,
- },
- [67] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_L,
- .prio = IPIC_SMPRR_A,
- .force = IPIC_SIFCR_L,
- .bit = 3,
- .prio_mask = 3,
- },
- [68] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_L,
- .prio = IPIC_SMPRR_B,
- .force = IPIC_SIFCR_L,
- .bit = 4,
- .prio_mask = 0,
- },
- [69] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_L,
- .prio = IPIC_SMPRR_B,
- .force = IPIC_SIFCR_L,
- .bit = 5,
- .prio_mask = 1,
- },
- [70] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_L,
- .prio = IPIC_SMPRR_B,
- .force = IPIC_SIFCR_L,
- .bit = 6,
- .prio_mask = 2,
- },
- [71] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_L,
- .prio = IPIC_SMPRR_B,
- .force = IPIC_SIFCR_L,
- .bit = 7,
- .prio_mask = 3,
- },
- [72] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_L,
- .prio = 0,
- .force = IPIC_SIFCR_L,
- .bit = 8,
- },
- [73] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_L,
- .prio = 0,
- .force = IPIC_SIFCR_L,
- .bit = 9,
- },
- [74] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_L,
- .prio = 0,
- .force = IPIC_SIFCR_L,
- .bit = 10,
- },
- [75] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_L,
- .prio = 0,
- .force = IPIC_SIFCR_L,
- .bit = 11,
- },
- [76] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_L,
- .prio = 0,
- .force = IPIC_SIFCR_L,
- .bit = 12,
- },
- [77] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_L,
- .prio = 0,
- .force = IPIC_SIFCR_L,
- .bit = 13,
- },
- [78] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_L,
- .prio = 0,
- .force = IPIC_SIFCR_L,
- .bit = 14,
- },
- [79] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_L,
- .prio = 0,
- .force = IPIC_SIFCR_L,
- .bit = 15,
- },
- [80] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_L,
- .prio = 0,
- .force = IPIC_SIFCR_L,
- .bit = 16,
- },
- [84] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_L,
- .prio = 0,
- .force = IPIC_SIFCR_L,
- .bit = 20,
- },
- [85] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_L,
- .prio = 0,
- .force = IPIC_SIFCR_L,
- .bit = 21,
- },
- [90] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_L,
- .prio = 0,
- .force = IPIC_SIFCR_L,
- .bit = 26,
- },
- [91] = {
- .pend = IPIC_SIPNR_H,
- .mask = IPIC_SIMSR_L,
- .prio = 0,
- .force = IPIC_SIFCR_L,
- .bit = 27,
- },
-};
-
-static inline u32 ipic_read(volatile u32 __iomem *base, unsigned int reg)
-{
- return in_be32(base + (reg >> 2));
-}
-
-static inline void ipic_write(volatile u32 __iomem *base, unsigned int reg, u32 value)
-{
- out_be32(base + (reg >> 2), value);
-}
-
-static inline struct ipic * ipic_from_irq(unsigned int irq)
-{
- return primary_ipic;
-}
-
-static void ipic_enable_irq(unsigned int irq)
-{
- struct ipic *ipic = ipic_from_irq(irq);
- unsigned int src = irq - ipic->irq_offset;
- u32 temp;
-
- temp = ipic_read(ipic->regs, ipic_info[src].mask);
- temp |= (1 << (31 - ipic_info[src].bit));
- ipic_write(ipic->regs, ipic_info[src].mask, temp);
-}
-
-static void ipic_disable_irq(unsigned int irq)
-{
- struct ipic *ipic = ipic_from_irq(irq);
- unsigned int src = irq - ipic->irq_offset;
- u32 temp;
-
- temp = ipic_read(ipic->regs, ipic_info[src].mask);
- temp &= ~(1 << (31 - ipic_info[src].bit));
- ipic_write(ipic->regs, ipic_info[src].mask, temp);
-}
-
-static void ipic_disable_irq_and_ack(unsigned int irq)
-{
- struct ipic *ipic = ipic_from_irq(irq);
- unsigned int src = irq - ipic->irq_offset;
- u32 temp;
-
- ipic_disable_irq(irq);
-
- temp = ipic_read(ipic->regs, ipic_info[src].pend);
- temp |= (1 << (31 - ipic_info[src].bit));
- ipic_write(ipic->regs, ipic_info[src].pend, temp);
-}
-
-static void ipic_end_irq(unsigned int irq)
-{
- if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- ipic_enable_irq(irq);
-}
-
-struct hw_interrupt_type ipic = {
- .typename = " IPIC ",
- .enable = ipic_enable_irq,
- .disable = ipic_disable_irq,
- .ack = ipic_disable_irq_and_ack,
- .end = ipic_end_irq,
-};
-
-void __init ipic_init(phys_addr_t phys_addr,
- unsigned int flags,
- unsigned int irq_offset,
- unsigned char *senses,
- unsigned int senses_count)
-{
- u32 i, temp = 0;
-
- primary_ipic = &p_ipic;
- primary_ipic->regs = ioremap(phys_addr, MPC83xx_IPIC_SIZE);
-
- primary_ipic->irq_offset = irq_offset;
-
- ipic_write(primary_ipic->regs, IPIC_SICNR, 0x0);
-
- /* default priority scheme is grouped. If spread mode is required
- * configure SICFR accordingly */
- if (flags & IPIC_SPREADMODE_GRP_A)
- temp |= SICFR_IPSA;
- if (flags & IPIC_SPREADMODE_GRP_D)
- temp |= SICFR_IPSD;
- if (flags & IPIC_SPREADMODE_MIX_A)
- temp |= SICFR_MPSA;
- if (flags & IPIC_SPREADMODE_MIX_B)
- temp |= SICFR_MPSB;
-
- ipic_write(primary_ipic->regs, IPIC_SICNR, temp);
-
- /* handle MCP route */
- temp = 0;
- if (flags & IPIC_DISABLE_MCP_OUT)
- temp = SERCR_MCPR;
- ipic_write(primary_ipic->regs, IPIC_SERCR, temp);
-
- /* handle routing of IRQ0 to MCP */
- temp = ipic_read(primary_ipic->regs, IPIC_SEMSR);
-
- if (flags & IPIC_IRQ0_MCP)
- temp |= SEMSR_SIRQ0;
- else
- temp &= ~SEMSR_SIRQ0;
-
- ipic_write(primary_ipic->regs, IPIC_SEMSR, temp);
-
- for (i = 0 ; i < NR_IPIC_INTS ; i++) {
- irq_desc[i+irq_offset].handler = &ipic;
- irq_desc[i+irq_offset].status = IRQ_LEVEL;
- }
-
- temp = 0;
- for (i = 0 ; i < senses_count ; i++) {
- if ((senses[i] & IRQ_SENSE_MASK) == IRQ_SENSE_EDGE) {
- temp |= 1 << (15 - i);
- if (i != 0)
- irq_desc[i + irq_offset + MPC83xx_IRQ_EXT1 - 1].status = 0;
- else
- irq_desc[irq_offset + MPC83xx_IRQ_EXT0].status = 0;
- }
- }
- ipic_write(primary_ipic->regs, IPIC_SECNR, temp);
-
- printk ("IPIC (%d IRQ sources, %d External IRQs) at %p\n", NR_IPIC_INTS,
- senses_count, primary_ipic->regs);
-}
-
-int ipic_set_priority(unsigned int irq, unsigned int priority)
-{
- struct ipic *ipic = ipic_from_irq(irq);
- unsigned int src = irq - ipic->irq_offset;
- u32 temp;
-
- if (priority > 7)
- return -EINVAL;
- if (src > 127)
- return -EINVAL;
- if (ipic_info[src].prio == 0)
- return -EINVAL;
-
- temp = ipic_read(ipic->regs, ipic_info[src].prio);
-
- if (priority < 4) {
- temp &= ~(0x7 << (20 + (3 - priority) * 3));
- temp |= ipic_info[src].prio_mask << (20 + (3 - priority) * 3);
- } else {
- temp &= ~(0x7 << (4 + (7 - priority) * 3));
- temp |= ipic_info[src].prio_mask << (4 + (7 - priority) * 3);
- }
-
- ipic_write(ipic->regs, ipic_info[src].prio, temp);
-
- return 0;
-}
-
-void ipic_set_highest_priority(unsigned int irq)
-{
- struct ipic *ipic = ipic_from_irq(irq);
- unsigned int src = irq - ipic->irq_offset;
- u32 temp;
-
- temp = ipic_read(ipic->regs, IPIC_SICFR);
-
- /* clear and set HPI */
- temp &= 0x7f000000;
- temp |= (src & 0x7f) << 24;
-
- ipic_write(ipic->regs, IPIC_SICFR, temp);
-}
-
-void ipic_set_default_priority(void)
-{
- ipic_set_priority(MPC83xx_IRQ_TSEC1_TX, 0);
- ipic_set_priority(MPC83xx_IRQ_TSEC1_RX, 1);
- ipic_set_priority(MPC83xx_IRQ_TSEC1_ERROR, 2);
- ipic_set_priority(MPC83xx_IRQ_TSEC2_TX, 3);
- ipic_set_priority(MPC83xx_IRQ_TSEC2_RX, 4);
- ipic_set_priority(MPC83xx_IRQ_TSEC2_ERROR, 5);
- ipic_set_priority(MPC83xx_IRQ_USB2_DR, 6);
- ipic_set_priority(MPC83xx_IRQ_USB2_MPH, 7);
-
- ipic_set_priority(MPC83xx_IRQ_UART1, 0);
- ipic_set_priority(MPC83xx_IRQ_UART2, 1);
- ipic_set_priority(MPC83xx_IRQ_SEC2, 2);
- ipic_set_priority(MPC83xx_IRQ_IIC1, 5);
- ipic_set_priority(MPC83xx_IRQ_IIC2, 6);
- ipic_set_priority(MPC83xx_IRQ_SPI, 7);
- ipic_set_priority(MPC83xx_IRQ_RTC_SEC, 0);
- ipic_set_priority(MPC83xx_IRQ_PIT, 1);
- ipic_set_priority(MPC83xx_IRQ_PCI1, 2);
- ipic_set_priority(MPC83xx_IRQ_PCI2, 3);
- ipic_set_priority(MPC83xx_IRQ_EXT0, 4);
- ipic_set_priority(MPC83xx_IRQ_EXT1, 5);
- ipic_set_priority(MPC83xx_IRQ_EXT2, 6);
- ipic_set_priority(MPC83xx_IRQ_EXT3, 7);
- ipic_set_priority(MPC83xx_IRQ_RTC_ALR, 0);
- ipic_set_priority(MPC83xx_IRQ_MU, 1);
- ipic_set_priority(MPC83xx_IRQ_SBA, 2);
- ipic_set_priority(MPC83xx_IRQ_DMA, 3);
- ipic_set_priority(MPC83xx_IRQ_EXT4, 4);
- ipic_set_priority(MPC83xx_IRQ_EXT5, 5);
- ipic_set_priority(MPC83xx_IRQ_EXT6, 6);
- ipic_set_priority(MPC83xx_IRQ_EXT7, 7);
-}
-
-void ipic_enable_mcp(enum ipic_mcp_irq mcp_irq)
-{
- struct ipic *ipic = primary_ipic;
- u32 temp;
-
- temp = ipic_read(ipic->regs, IPIC_SERMR);
- temp |= (1 << (31 - mcp_irq));
- ipic_write(ipic->regs, IPIC_SERMR, temp);
-}
-
-void ipic_disable_mcp(enum ipic_mcp_irq mcp_irq)
-{
- struct ipic *ipic = primary_ipic;
- u32 temp;
-
- temp = ipic_read(ipic->regs, IPIC_SERMR);
- temp &= (1 << (31 - mcp_irq));
- ipic_write(ipic->regs, IPIC_SERMR, temp);
-}
-
-u32 ipic_get_mcp_status(void)
-{
- return ipic_read(primary_ipic->regs, IPIC_SERMR);
-}
-
-void ipic_clear_mcp_status(u32 mask)
-{
- ipic_write(primary_ipic->regs, IPIC_SERMR, mask);
-}
-
-/* Return an interrupt vector or -1 if no interrupt is pending. */
-int ipic_get_irq(struct pt_regs *regs)
-{
- int irq;
-
- irq = ipic_read(primary_ipic->regs, IPIC_SIVCR) & 0x7f;
-
- if (irq == 0) /* 0 --> no irq is pending */
- irq = -1;
-
- return irq;
-}
-
-static struct sysdev_class ipic_sysclass = {
- set_kset_name("ipic"),
-};
-
-static struct sys_device device_ipic = {
- .id = 0,
- .cls = &ipic_sysclass,
-};
-
-static int __init init_ipic_sysfs(void)
-{
- int rc;
-
- if (!primary_ipic->regs)
- return -ENODEV;
- printk(KERN_DEBUG "Registering ipic with sysfs...\n");
-
- rc = sysdev_class_register(&ipic_sysclass);
- if (rc) {
- printk(KERN_ERR "Failed registering ipic sys class\n");
- return -ENODEV;
- }
- rc = sysdev_register(&device_ipic);
- if (rc) {
- printk(KERN_ERR "Failed registering ipic sys device\n");
- return -ENODEV;
- }
- return 0;
-}
-
-subsys_initcall(init_ipic_sysfs);
+++ /dev/null
-/*
- * arch/ppc/kernel/ipic.h
- *
- * IPIC private definitions and structure.
- *
- * Maintainer: Kumar Gala <galak@kernel.crashing.org>
- *
- * 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 <asm/ipic.h>
-
-#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__ */
--- /dev/null
+/*
+ * include/asm-ppc/ipic.h
+ *
+ * IPIC external definitions and structure.
+ *
+ * Maintainer: Kumar Gala <galak@kernel.crashing.org>
+ *
+ * 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.
+ */
+#ifdef __KERNEL__
+#ifndef __ASM_IPIC_H__
+#define __ASM_IPIC_H__
+
+#include <linux/irq.h>
+
+/* Flags when we init the IPIC */
+#define IPIC_SPREADMODE_GRP_A 0x00000001
+#define IPIC_SPREADMODE_GRP_D 0x00000002
+#define IPIC_SPREADMODE_MIX_A 0x00000004
+#define IPIC_SPREADMODE_MIX_B 0x00000008
+#define IPIC_DISABLE_MCP_OUT 0x00000010
+#define IPIC_IRQ0_MCP 0x00000020
+
+/* IPIC registers offsets */
+#define IPIC_SICFR 0x00 /* System Global Interrupt Configuration Register */
+#define IPIC_SIVCR 0x04 /* System Global Interrupt Vector Register */
+#define IPIC_SIPNR_H 0x08 /* System Internal Interrupt Pending Register (HIGH) */
+#define IPIC_SIPNR_L 0x0C /* System Internal Interrupt Pending Register (LOW) */
+#define IPIC_SIPRR_A 0x10 /* System Internal Interrupt group A Priority Register */
+#define IPIC_SIPRR_B 0x14 /* System Internal Interrupt group B Priority Register */
+#define IPIC_SIPRR_C 0x18 /* System Internal Interrupt group C Priority Register */
+#define IPIC_SIPRR_D 0x1C /* System Internal Interrupt group D Priority Register */
+#define IPIC_SIMSR_H 0x20 /* System Internal Interrupt Mask Register (HIGH) */
+#define IPIC_SIMSR_L 0x24 /* System Internal Interrupt Mask Register (LOW) */
+#define IPIC_SICNR 0x28 /* System Internal Interrupt Control Register */
+#define IPIC_SEPNR 0x2C /* System External Interrupt Pending Register */
+#define IPIC_SMPRR_A 0x30 /* System Mixed Interrupt group A Priority Register */
+#define IPIC_SMPRR_B 0x34 /* System Mixed Interrupt group B Priority Register */
+#define IPIC_SEMSR 0x38 /* System External Interrupt Mask Register */
+#define IPIC_SECNR 0x3C /* System External Interrupt Control Register */
+#define IPIC_SERSR 0x40 /* System Error Status Register */
+#define IPIC_SERMR 0x44 /* System Error Mask Register */
+#define IPIC_SERCR 0x48 /* System Error Control Register */
+#define IPIC_SIFCR_H 0x50 /* System Internal Interrupt Force Register (HIGH) */
+#define IPIC_SIFCR_L 0x54 /* System Internal Interrupt Force Register (LOW) */
+#define IPIC_SEFCR 0x58 /* System External Interrupt Force Register */
+#define IPIC_SERFR 0x5C /* System Error Force Register */
+#define IPIC_SCVCR 0x60 /* System Critical Interrupt Vector Register */
+#define IPIC_SMVCR 0x64 /* System Management Interrupt Vector Register */
+
+enum ipic_prio_grp {
+ IPIC_INT_GRP_A = IPIC_SIPRR_A,
+ IPIC_INT_GRP_D = IPIC_SIPRR_D,
+ IPIC_MIX_GRP_A = IPIC_SMPRR_A,
+ IPIC_MIX_GRP_B = IPIC_SMPRR_B,
+};
+
+enum ipic_mcp_irq {
+ IPIC_MCP_IRQ0 = 0,
+ IPIC_MCP_WDT = 1,
+ IPIC_MCP_SBA = 2,
+ IPIC_MCP_PCI1 = 5,
+ IPIC_MCP_PCI2 = 6,
+ IPIC_MCP_MU = 7,
+};
+
+extern void ipic_init(phys_addr_t phys_addr, unsigned int flags,
+ unsigned int irq_offset,
+ unsigned char *senses, unsigned int senses_count);
+extern int ipic_set_priority(unsigned int irq, unsigned int priority);
+extern void ipic_set_highest_priority(unsigned int irq);
+extern void ipic_set_default_priority(void);
+extern void ipic_enable_mcp(enum ipic_mcp_irq mcp_irq);
+extern void ipic_disable_mcp(enum ipic_mcp_irq mcp_irq);
+extern u32 ipic_get_mcp_status(void);
+extern void ipic_clear_mcp_status(u32 mask);
+extern int ipic_get_irq(struct pt_regs *regs);
+
+#endif /* __ASM_IPIC_H__ */
+#endif /* __KERNEL__ */
+++ /dev/null
-/*
- * include/asm-ppc/ipic.h
- *
- * IPIC external definitions and structure.
- *
- * Maintainer: Kumar Gala <galak@kernel.crashing.org>
- *
- * 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.
- */
-#ifdef __KERNEL__
-#ifndef __ASM_IPIC_H__
-#define __ASM_IPIC_H__
-
-#include <linux/irq.h>
-
-/* Flags when we init the IPIC */
-#define IPIC_SPREADMODE_GRP_A 0x00000001
-#define IPIC_SPREADMODE_GRP_D 0x00000002
-#define IPIC_SPREADMODE_MIX_A 0x00000004
-#define IPIC_SPREADMODE_MIX_B 0x00000008
-#define IPIC_DISABLE_MCP_OUT 0x00000010
-#define IPIC_IRQ0_MCP 0x00000020
-
-/* IPIC registers offsets */
-#define IPIC_SICFR 0x00 /* System Global Interrupt Configuration Register */
-#define IPIC_SIVCR 0x04 /* System Global Interrupt Vector Register */
-#define IPIC_SIPNR_H 0x08 /* System Internal Interrupt Pending Register (HIGH) */
-#define IPIC_SIPNR_L 0x0C /* System Internal Interrupt Pending Register (LOW) */
-#define IPIC_SIPRR_A 0x10 /* System Internal Interrupt group A Priority Register */
-#define IPIC_SIPRR_B 0x14 /* System Internal Interrupt group B Priority Register */
-#define IPIC_SIPRR_C 0x18 /* System Internal Interrupt group C Priority Register */
-#define IPIC_SIPRR_D 0x1C /* System Internal Interrupt group D Priority Register */
-#define IPIC_SIMSR_H 0x20 /* System Internal Interrupt Mask Register (HIGH) */
-#define IPIC_SIMSR_L 0x24 /* System Internal Interrupt Mask Register (LOW) */
-#define IPIC_SICNR 0x28 /* System Internal Interrupt Control Register */
-#define IPIC_SEPNR 0x2C /* System External Interrupt Pending Register */
-#define IPIC_SMPRR_A 0x30 /* System Mixed Interrupt group A Priority Register */
-#define IPIC_SMPRR_B 0x34 /* System Mixed Interrupt group B Priority Register */
-#define IPIC_SEMSR 0x38 /* System External Interrupt Mask Register */
-#define IPIC_SECNR 0x3C /* System External Interrupt Control Register */
-#define IPIC_SERSR 0x40 /* System Error Status Register */
-#define IPIC_SERMR 0x44 /* System Error Mask Register */
-#define IPIC_SERCR 0x48 /* System Error Control Register */
-#define IPIC_SIFCR_H 0x50 /* System Internal Interrupt Force Register (HIGH) */
-#define IPIC_SIFCR_L 0x54 /* System Internal Interrupt Force Register (LOW) */
-#define IPIC_SEFCR 0x58 /* System External Interrupt Force Register */
-#define IPIC_SERFR 0x5C /* System Error Force Register */
-#define IPIC_SCVCR 0x60 /* System Critical Interrupt Vector Register */
-#define IPIC_SMVCR 0x64 /* System Management Interrupt Vector Register */
-
-enum ipic_prio_grp {
- IPIC_INT_GRP_A = IPIC_SIPRR_A,
- IPIC_INT_GRP_D = IPIC_SIPRR_D,
- IPIC_MIX_GRP_A = IPIC_SMPRR_A,
- IPIC_MIX_GRP_B = IPIC_SMPRR_B,
-};
-
-enum ipic_mcp_irq {
- IPIC_MCP_IRQ0 = 0,
- IPIC_MCP_WDT = 1,
- IPIC_MCP_SBA = 2,
- IPIC_MCP_PCI1 = 5,
- IPIC_MCP_PCI2 = 6,
- IPIC_MCP_MU = 7,
-};
-
-extern void ipic_init(phys_addr_t phys_addr, unsigned int flags,
- unsigned int irq_offset,
- unsigned char *senses, unsigned int senses_count);
-extern int ipic_set_priority(unsigned int irq, unsigned int priority);
-extern void ipic_set_highest_priority(unsigned int irq);
-extern void ipic_set_default_priority(void);
-extern void ipic_enable_mcp(enum ipic_mcp_irq mcp_irq);
-extern void ipic_disable_mcp(enum ipic_mcp_irq mcp_irq);
-extern u32 ipic_get_mcp_status(void);
-extern void ipic_clear_mcp_status(u32 mask);
-extern int ipic_get_irq(struct pt_regs *regs);
-
-#endif /* __ASM_IPIC_H__ */
-#endif /* __KERNEL__ */
projects / linux-drm-fsl-dcu.git / commitdiff