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-rw-r--r--arch/ppc/syslib/Makefile4
-rw-r--r--arch/ppc/syslib/ipic.c646
-rw-r--r--arch/ppc/syslib/ipic.h49
-rw-r--r--arch/ppc/syslib/m8xx_setup.c15
-rw-r--r--arch/ppc/syslib/m8xx_wdt.c92
-rw-r--r--arch/ppc/syslib/m8xx_wdt.h4
-rw-r--r--arch/ppc/syslib/mpc83xx_devices.c10
-rw-r--r--arch/ppc/syslib/mpc85xx_devices.c10
-rw-r--r--arch/ppc/syslib/ocp.c4
-rw-r--r--arch/ppc/syslib/prom.c21
10 files changed, 103 insertions, 752 deletions
diff --git a/arch/ppc/syslib/Makefile b/arch/ppc/syslib/Makefile
index 5b7f2b80e56e..159dcd92a6d1 100644
--- a/arch/ppc/syslib/Makefile
+++ b/arch/ppc/syslib/Makefile
@@ -39,8 +39,6 @@ obj-$(CONFIG_8xx) += m8xx_setup.o ppc8xx_pic.o $(wdt-mpc8xx-y) \
ppc_sys.o mpc8xx_devices.o mpc8xx_sys.o
obj-$(CONFIG_PCI_QSPAN) += qspan_pci.o
obj-$(CONFIG_PPC_OF) += prom_init.o prom.o
-obj-$(CONFIG_PPC_PMAC) += open_pic.o
-obj-$(CONFIG_POWER4) += open_pic2.o
obj-$(CONFIG_PPC_CHRP) += open_pic.o
obj-$(CONFIG_PPC_PREP) += open_pic.o todc_time.o
obj-$(CONFIG_BAMBOO) += pci_auto.o todc_time.o
@@ -96,7 +94,7 @@ ifeq ($(CONFIG_85xx),y)
obj-$(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
diff --git a/arch/ppc/syslib/ipic.c b/arch/ppc/syslib/ipic.c
deleted file mode 100644
index 8f01e0f1d847..000000000000
--- a/arch/ppc/syslib/ipic.c
+++ /dev/null
@@ -1,646 +0,0 @@
-/*
- * 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);
diff --git a/arch/ppc/syslib/ipic.h b/arch/ppc/syslib/ipic.h
deleted file mode 100644
index a7ce7da8785c..000000000000
--- a/arch/ppc/syslib/ipic.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * 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__ */
diff --git a/arch/ppc/syslib/m8xx_setup.c b/arch/ppc/syslib/m8xx_setup.c
index 1cc3abe6fa43..688616de3cde 100644
--- a/arch/ppc/syslib/m8xx_setup.c
+++ b/arch/ppc/syslib/m8xx_setup.c
@@ -135,6 +135,16 @@ static struct irqaction tbint_irqaction = {
.name = "tbint",
};
+/* per-board overridable init_internal_rtc() function. */
+void __init __attribute__ ((weak))
+init_internal_rtc(void)
+{
+ /* Disable the RTC one second and alarm interrupts. */
+ out_be16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc, in_be16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc) & ~(RTCSC_SIE | RTCSC_ALE));
+ /* Enable the RTC */
+ out_be16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc, in_be16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc) | (RTCSC_RTF | RTCSC_RTE));
+}
+
/* The decrementer counts at the system (internal) clock frequency divided by
* sixteen, or external oscillator divided by four. We force the processor
* to use system clock divided by sixteen.
@@ -183,10 +193,7 @@ void __init m8xx_calibrate_decr(void)
out_be32(&((immap_t *)IMAP_ADDR)->im_sitk.sitk_rtcsck, KAPWR_KEY);
out_be32(&((immap_t *)IMAP_ADDR)->im_sitk.sitk_tbk, KAPWR_KEY);
- /* Disable the RTC one second and alarm interrupts. */
- out_be16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc, in_be16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc) & ~(RTCSC_SIE | RTCSC_ALE));
- /* Enable the RTC */
- out_be16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc, in_be16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc) | (RTCSC_RTF | RTCSC_RTE));
+ init_internal_rtc();
/* Enabling the decrementer also enables the timebase interrupts
* (or from the other point of view, to get decrementer interrupts
diff --git a/arch/ppc/syslib/m8xx_wdt.c b/arch/ppc/syslib/m8xx_wdt.c
index a21632d37e5a..df6c9557b86a 100644
--- a/arch/ppc/syslib/m8xx_wdt.c
+++ b/arch/ppc/syslib/m8xx_wdt.c
@@ -19,6 +19,7 @@
#include <syslib/m8xx_wdt.h>
static int wdt_timeout;
+int m8xx_has_internal_rtc = 0;
static irqreturn_t m8xx_wdt_interrupt(int, void *, struct pt_regs *);
static struct irqaction m8xx_wdt_irqaction = {
@@ -45,35 +46,15 @@ static irqreturn_t m8xx_wdt_interrupt(int irq, void *dev, struct pt_regs *regs)
return IRQ_HANDLED;
}
-void __init m8xx_wdt_handler_install(bd_t * binfo)
+#define SYPCR_SWP 0x1
+#define SYPCR_SWE 0x4
+
+
+void __init m8xx_wdt_install_irq(volatile immap_t *imap, bd_t *binfo)
{
- volatile immap_t *imap = (volatile immap_t *)IMAP_ADDR;
u32 pitc;
- u32 sypcr;
u32 pitrtclk;
- sypcr = in_be32(&imap->im_siu_conf.sc_sypcr);
-
- if (!(sypcr & 0x04)) {
- printk(KERN_NOTICE "m8xx_wdt: wdt disabled (SYPCR: 0x%08X)\n",
- sypcr);
- return;
- }
-
- m8xx_wdt_reset();
-
- printk(KERN_NOTICE
- "m8xx_wdt: active wdt found (SWTC: 0x%04X, SWP: 0x%01X)\n",
- (sypcr >> 16), sypcr & 0x01);
-
- wdt_timeout = (sypcr >> 16) & 0xFFFF;
-
- if (!wdt_timeout)
- wdt_timeout = 0xFFFF;
-
- if (sypcr & 0x01)
- wdt_timeout *= 2048;
-
/*
* Fire trigger if half of the wdt ticked down
*/
@@ -98,6 +79,67 @@ void __init m8xx_wdt_handler_install(bd_t * binfo)
printk(KERN_NOTICE
"m8xx_wdt: keep-alive trigger installed (PITC: 0x%04X)\n", pitc);
+}
+
+static void m8xx_wdt_timer_func(unsigned long data);
+
+static struct timer_list m8xx_wdt_timer =
+ TIMER_INITIALIZER(m8xx_wdt_timer_func, 0, 0);
+
+void m8xx_wdt_stop_timer(void)
+{
+ del_timer(&m8xx_wdt_timer);
+}
+
+void m8xx_wdt_install_timer(void)
+{
+ m8xx_wdt_timer.expires = jiffies + (HZ/2);
+ add_timer(&m8xx_wdt_timer);
+}
+
+static void m8xx_wdt_timer_func(unsigned long data)
+{
+ m8xx_wdt_reset();
+ m8xx_wdt_install_timer();
+}
+
+void __init m8xx_wdt_handler_install(bd_t * binfo)
+{
+ volatile immap_t *imap = (volatile immap_t *)IMAP_ADDR;
+ u32 sypcr;
+
+ sypcr = in_be32(&imap->im_siu_conf.sc_sypcr);
+
+ if (!(sypcr & SYPCR_SWE)) {
+ printk(KERN_NOTICE "m8xx_wdt: wdt disabled (SYPCR: 0x%08X)\n",
+ sypcr);
+ return;
+ }
+
+ m8xx_wdt_reset();
+
+ printk(KERN_NOTICE
+ "m8xx_wdt: active wdt found (SWTC: 0x%04X, SWP: 0x%01X)\n",
+ (sypcr >> 16), sypcr & SYPCR_SWP);
+
+ wdt_timeout = (sypcr >> 16) & 0xFFFF;
+
+ if (!wdt_timeout)
+ wdt_timeout = 0xFFFF;
+
+ if (sypcr & SYPCR_SWP)
+ wdt_timeout *= 2048;
+
+ m8xx_has_internal_rtc = in_be16(&imap->im_sit.sit_rtcsc) & RTCSC_RTE;
+
+ /* if the internal RTC is off use a kernel timer */
+ if (!m8xx_has_internal_rtc) {
+ if (wdt_timeout < (binfo->bi_intfreq/HZ))
+ printk(KERN_ERR "m8xx_wdt: timeout too short for ktimer!\n");
+ m8xx_wdt_install_timer();
+ } else
+ m8xx_wdt_install_irq(imap, binfo);
+
wdt_timeout /= binfo->bi_intfreq;
}
diff --git a/arch/ppc/syslib/m8xx_wdt.h b/arch/ppc/syslib/m8xx_wdt.h
index 0d81a9f8155f..e75835f0012b 100644
--- a/arch/ppc/syslib/m8xx_wdt.h
+++ b/arch/ppc/syslib/m8xx_wdt.h
@@ -9,8 +9,12 @@
#ifndef _PPC_SYSLIB_M8XX_WDT_H
#define _PPC_SYSLIB_M8XX_WDT_H
+extern int m8xx_has_internal_rtc;
+
extern void m8xx_wdt_handler_install(bd_t * binfo);
extern int m8xx_wdt_get_timeout(void);
extern void m8xx_wdt_reset(void);
+extern void m8xx_wdt_install_timer(void);
+extern void m8xx_wdt_stop_timer(void);
#endif /* _PPC_SYSLIB_M8XX_WDT_H */
diff --git a/arch/ppc/syslib/mpc83xx_devices.c b/arch/ppc/syslib/mpc83xx_devices.c
index 847df4409982..f9b95de70e23 100644
--- a/arch/ppc/syslib/mpc83xx_devices.c
+++ b/arch/ppc/syslib/mpc83xx_devices.c
@@ -28,7 +28,6 @@
*/
struct gianfar_mdio_data mpc83xx_mdio_pdata = {
- .paddr = 0x24520,
};
static struct gianfar_platform_data mpc83xx_tsec1_pdata = {
@@ -226,7 +225,14 @@ struct platform_device ppc_sys_platform_devices[] = {
.name = "fsl-gianfar_mdio",
.id = 0,
.dev.platform_data = &mpc83xx_mdio_pdata,
- .num_resources = 0,
+ .num_resources = 1,
+ .resource = (struct resource[]) {
+ {
+ .start = 0x24520,
+ .end = 0x2453f,
+ .flags = IORESOURCE_MEM,
+ },
+ },
},
};
diff --git a/arch/ppc/syslib/mpc85xx_devices.c b/arch/ppc/syslib/mpc85xx_devices.c
index 69949d255658..00e9b6ff2f6e 100644
--- a/arch/ppc/syslib/mpc85xx_devices.c
+++ b/arch/ppc/syslib/mpc85xx_devices.c
@@ -26,7 +26,6 @@
* what CCSRBAR is, will get fixed up by mach_mpc85xx_fixup
*/
struct gianfar_mdio_data mpc85xx_mdio_pdata = {
- .paddr = MPC85xx_MIIM_OFFSET,
};
static struct gianfar_platform_data mpc85xx_tsec1_pdata = {
@@ -720,7 +719,14 @@ struct platform_device ppc_sys_platform_devices[] = {
.name = "fsl-gianfar_mdio",
.id = 0,
.dev.platform_data = &mpc85xx_mdio_pdata,
- .num_resources = 0,
+ .num_resources = 1,
+ .resource = (struct resource[]) {
+ {
+ .start = 0x24520,
+ .end = 0x2453f,
+ .flags = IORESOURCE_MEM,
+ },
+ },
},
};
diff --git a/arch/ppc/syslib/ocp.c b/arch/ppc/syslib/ocp.c
index 9ccce438bd7a..ab34b1d6072f 100644
--- a/arch/ppc/syslib/ocp.c
+++ b/arch/ppc/syslib/ocp.c
@@ -189,6 +189,8 @@ ocp_device_resume(struct device *dev)
struct bus_type ocp_bus_type = {
.name = "ocp",
.match = ocp_device_match,
+ .probe = ocp_driver_probe,
+ .remove = ocp_driver_remove,
.suspend = ocp_device_suspend,
.resume = ocp_device_resume,
};
@@ -210,8 +212,6 @@ ocp_register_driver(struct ocp_driver *drv)
/* initialize common driver fields */
drv->driver.name = drv->name;
drv->driver.bus = &ocp_bus_type;
- drv->driver.probe = ocp_device_probe;
- drv->driver.remove = ocp_device_remove;
/* register with core */
return driver_register(&drv->driver);
diff --git a/arch/ppc/syslib/prom.c b/arch/ppc/syslib/prom.c
index af4deace49e0..482f837fd373 100644
--- a/arch/ppc/syslib/prom.c
+++ b/arch/ppc/syslib/prom.c
@@ -70,8 +70,6 @@ int use_of_interrupt_tree;
struct device_node *dflt_interrupt_controller;
int num_interrupt_controllers;
-int pmac_newworld;
-
extern unsigned int rtas_entry; /* physical pointer */
extern struct device_node *allnodes;
@@ -123,22 +121,13 @@ finish_device_tree(void)
unsigned long mem = (unsigned long) klimit;
struct device_node *np;
- /* All newworld pmac machines and CHRPs now use the interrupt tree */
+ /* All CHRPs now use the interrupt tree */
for (np = allnodes; np != NULL; np = np->allnext) {
if (get_property(np, "interrupt-parent", NULL)) {
use_of_interrupt_tree = 1;
break;
}
}
- if (_machine == _MACH_Pmac && use_of_interrupt_tree)
- pmac_newworld = 1;
-
-#ifdef CONFIG_BOOTX_TEXT
- if (boot_infos && pmac_newworld) {
- prom_print("WARNING ! BootX/miBoot booting is not supported on this machine\n");
- prom_print(" You should use an Open Firmware bootloader\n");
- }
-#endif /* CONFIG_BOOTX_TEXT */
if (use_of_interrupt_tree) {
/*
@@ -434,16 +423,10 @@ finish_node_interrupts(struct device_node *np, unsigned long mem_start)
* those machines, we want to offset interrupts from the
* second openpic by 128 -- BenH
*/
- if (_machine != _MACH_Pmac && num_interrupt_controllers > 1
+ if (num_interrupt_controllers > 1
&& ic != NULL
&& get_property(ic, "interrupt-parent", NULL) == NULL)
offset = 16;
- else if (_machine == _MACH_Pmac && num_interrupt_controllers > 1
- && ic != NULL && ic->parent != NULL) {
- char *name = get_property(ic->parent, "name", NULL);
- if (name && !strcmp(name, "u3"))
- offset = 128;
- }
np->intrs[i].line = irq[0] + offset;
if (n > 1)
generated by cgit v1.2.3 (git 2.0.4) at 2024-07-28 17:37:02 +0000