diff options
Diffstat (limited to 'arch/ppc/syslib')
-rw-r--r-- | arch/ppc/syslib/Makefile | 4 | ||||
-rw-r--r-- | arch/ppc/syslib/ipic.c | 646 | ||||
-rw-r--r-- | arch/ppc/syslib/ipic.h | 49 | ||||
-rw-r--r-- | arch/ppc/syslib/m8xx_setup.c | 15 | ||||
-rw-r--r-- | arch/ppc/syslib/m8xx_wdt.c | 92 | ||||
-rw-r--r-- | arch/ppc/syslib/m8xx_wdt.h | 4 | ||||
-rw-r--r-- | arch/ppc/syslib/mpc83xx_devices.c | 10 | ||||
-rw-r--r-- | arch/ppc/syslib/mpc85xx_devices.c | 10 | ||||
-rw-r--r-- | arch/ppc/syslib/ocp.c | 4 | ||||
-rw-r--r-- | arch/ppc/syslib/prom.c | 21 |
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) |