diff options
Diffstat (limited to 'arch/powerpc/platforms/pasemi')
| -rw-r--r-- | arch/powerpc/platforms/pasemi/Kconfig | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pasemi/Makefile | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pasemi/cpufreq.c | 323 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pasemi/dma_lib.c | 13 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pasemi/gpio_mdio.c | 58 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pasemi/idle.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pasemi/iommu.c | 34 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pasemi/pasemi.h | 4 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pasemi/pci.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pasemi/powersave.S | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pasemi/setup.c | 41 |
11 files changed, 63 insertions, 420 deletions
diff --git a/arch/powerpc/platforms/pasemi/Kconfig b/arch/powerpc/platforms/pasemi/Kconfig index 348e0619e3e..a2aeb327d18 100644 --- a/arch/powerpc/platforms/pasemi/Kconfig +++ b/arch/powerpc/platforms/pasemi/Kconfig @@ -1,5 +1,5 @@ config PPC_PASEMI - depends on PPC_MULTIPLATFORM && PPC64 + depends on PPC64 && PPC_BOOK3S bool "PA Semi SoC-based platforms" default n select MPIC diff --git a/arch/powerpc/platforms/pasemi/Makefile b/arch/powerpc/platforms/pasemi/Makefile index ce6d789e074..8e8d4cae5eb 100644 --- a/arch/powerpc/platforms/pasemi/Makefile +++ b/arch/powerpc/platforms/pasemi/Makefile @@ -1,3 +1,2 @@ obj-y += setup.o pci.o time.o idle.o powersave.o iommu.o dma_lib.o misc.o obj-$(CONFIG_PPC_PASEMI_MDIO) += gpio_mdio.o -obj-$(CONFIG_PPC_PASEMI_CPUFREQ) += cpufreq.o diff --git a/arch/powerpc/platforms/pasemi/cpufreq.c b/arch/powerpc/platforms/pasemi/cpufreq.c deleted file mode 100644 index 58556b028a4..00000000000 --- a/arch/powerpc/platforms/pasemi/cpufreq.c +++ /dev/null @@ -1,323 +0,0 @@ -/* - * Copyright (C) 2007 PA Semi, Inc - * - * Authors: Egor Martovetsky <egor@pasemi.com> - * Olof Johansson <olof@lixom.net> - * - * Maintained by: Olof Johansson <olof@lixom.net> - * - * Based on arch/powerpc/platforms/cell/cbe_cpufreq.c: - * (C) Copyright IBM Deutschland Entwicklung GmbH 2005 - * - * 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, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -#include <linux/cpufreq.h> -#include <linux/timer.h> - -#include <asm/hw_irq.h> -#include <asm/io.h> -#include <asm/prom.h> -#include <asm/time.h> -#include <asm/smp.h> - -#define SDCASR_REG 0x0100 -#define SDCASR_REG_STRIDE 0x1000 -#define SDCPWR_CFGA0_REG 0x0100 -#define SDCPWR_PWST0_REG 0x0000 -#define SDCPWR_GIZTIME_REG 0x0440 - -/* SDCPWR_GIZTIME_REG fields */ -#define SDCPWR_GIZTIME_GR 0x80000000 -#define SDCPWR_GIZTIME_LONGLOCK 0x000000ff - -/* Offset of ASR registers from SDC base */ -#define SDCASR_OFFSET 0x120000 - -static void __iomem *sdcpwr_mapbase; -static void __iomem *sdcasr_mapbase; - -static DEFINE_MUTEX(pas_switch_mutex); - -/* Current astate, is used when waking up from power savings on - * one core, in case the other core has switched states during - * the idle time. - */ -static int current_astate; - -/* We support 5(A0-A4) power states excluding turbo(A5-A6) modes */ -static struct cpufreq_frequency_table pas_freqs[] = { - {0, 0}, - {1, 0}, - {2, 0}, - {3, 0}, - {4, 0}, - {0, CPUFREQ_TABLE_END}, -}; - -static struct freq_attr *pas_cpu_freqs_attr[] = { - &cpufreq_freq_attr_scaling_available_freqs, - NULL, -}; - -/* - * hardware specific functions - */ - -static int get_astate_freq(int astate) -{ - u32 ret; - ret = in_le32(sdcpwr_mapbase + SDCPWR_CFGA0_REG + (astate * 0x10)); - - return ret & 0x3f; -} - -static int get_cur_astate(int cpu) -{ - u32 ret; - - ret = in_le32(sdcpwr_mapbase + SDCPWR_PWST0_REG); - ret = (ret >> (cpu * 4)) & 0x7; - - return ret; -} - -static int get_gizmo_latency(void) -{ - u32 giztime, ret; - - giztime = in_le32(sdcpwr_mapbase + SDCPWR_GIZTIME_REG); - - /* just provide the upper bound */ - if (giztime & SDCPWR_GIZTIME_GR) - ret = (giztime & SDCPWR_GIZTIME_LONGLOCK) * 128000; - else - ret = (giztime & SDCPWR_GIZTIME_LONGLOCK) * 1000; - - return ret; -} - -static void set_astate(int cpu, unsigned int astate) -{ - u64 flags; - - /* Return if called before init has run */ - if (unlikely(!sdcasr_mapbase)) - return; - - local_irq_save(flags); - - out_le32(sdcasr_mapbase + SDCASR_REG + SDCASR_REG_STRIDE*cpu, astate); - - local_irq_restore(flags); -} - -int check_astate(void) -{ - return get_cur_astate(hard_smp_processor_id()); -} - -void restore_astate(int cpu) -{ - set_astate(cpu, current_astate); -} - -/* - * cpufreq functions - */ - -static int pas_cpufreq_cpu_init(struct cpufreq_policy *policy) -{ - const u32 *max_freqp; - u32 max_freq; - int i, cur_astate; - struct resource res; - struct device_node *cpu, *dn; - int err = -ENODEV; - - cpu = of_get_cpu_node(policy->cpu, NULL); - - if (!cpu) - goto out; - - dn = of_find_compatible_node(NULL, NULL, "1682m-sdc"); - if (!dn) - dn = of_find_compatible_node(NULL, NULL, - "pasemi,pwrficient-sdc"); - if (!dn) - goto out; - err = of_address_to_resource(dn, 0, &res); - of_node_put(dn); - if (err) - goto out; - sdcasr_mapbase = ioremap(res.start + SDCASR_OFFSET, 0x2000); - if (!sdcasr_mapbase) { - err = -EINVAL; - goto out; - } - - dn = of_find_compatible_node(NULL, NULL, "1682m-gizmo"); - if (!dn) - dn = of_find_compatible_node(NULL, NULL, - "pasemi,pwrficient-gizmo"); - if (!dn) { - err = -ENODEV; - goto out_unmap_sdcasr; - } - err = of_address_to_resource(dn, 0, &res); - of_node_put(dn); - if (err) - goto out_unmap_sdcasr; - sdcpwr_mapbase = ioremap(res.start, 0x1000); - if (!sdcpwr_mapbase) { - err = -EINVAL; - goto out_unmap_sdcasr; - } - - pr_debug("init cpufreq on CPU %d\n", policy->cpu); - - max_freqp = of_get_property(cpu, "clock-frequency", NULL); - if (!max_freqp) { - err = -EINVAL; - goto out_unmap_sdcpwr; - } - - /* we need the freq in kHz */ - max_freq = *max_freqp / 1000; - - pr_debug("max clock-frequency is at %u kHz\n", max_freq); - pr_debug("initializing frequency table\n"); - - /* initialize frequency table */ - for (i=0; pas_freqs[i].frequency!=CPUFREQ_TABLE_END; i++) { - pas_freqs[i].frequency = get_astate_freq(pas_freqs[i].index) * 100000; - pr_debug("%d: %d\n", i, pas_freqs[i].frequency); - } - - policy->cpuinfo.transition_latency = get_gizmo_latency(); - - cur_astate = get_cur_astate(policy->cpu); - pr_debug("current astate is at %d\n",cur_astate); - - policy->cur = pas_freqs[cur_astate].frequency; - policy->cpus = cpu_online_map; - - ppc_proc_freq = policy->cur * 1000ul; - - cpufreq_frequency_table_get_attr(pas_freqs, policy->cpu); - - /* this ensures that policy->cpuinfo_min and policy->cpuinfo_max - * are set correctly - */ - return cpufreq_frequency_table_cpuinfo(policy, pas_freqs); - -out_unmap_sdcpwr: - iounmap(sdcpwr_mapbase); - -out_unmap_sdcasr: - iounmap(sdcasr_mapbase); -out: - return err; -} - -static int pas_cpufreq_cpu_exit(struct cpufreq_policy *policy) -{ - if (sdcasr_mapbase) - iounmap(sdcasr_mapbase); - if (sdcpwr_mapbase) - iounmap(sdcpwr_mapbase); - - cpufreq_frequency_table_put_attr(policy->cpu); - return 0; -} - -static int pas_cpufreq_verify(struct cpufreq_policy *policy) -{ - return cpufreq_frequency_table_verify(policy, pas_freqs); -} - -static int pas_cpufreq_target(struct cpufreq_policy *policy, - unsigned int target_freq, - unsigned int relation) -{ - struct cpufreq_freqs freqs; - int pas_astate_new; - int i; - - cpufreq_frequency_table_target(policy, - pas_freqs, - target_freq, - relation, - &pas_astate_new); - - freqs.old = policy->cur; - freqs.new = pas_freqs[pas_astate_new].frequency; - freqs.cpu = policy->cpu; - - mutex_lock(&pas_switch_mutex); - cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); - - pr_debug("setting frequency for cpu %d to %d kHz, 1/%d of max frequency\n", - policy->cpu, - pas_freqs[pas_astate_new].frequency, - pas_freqs[pas_astate_new].index); - - current_astate = pas_astate_new; - - for_each_online_cpu(i) - set_astate(i, pas_astate_new); - - cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); - mutex_unlock(&pas_switch_mutex); - - ppc_proc_freq = freqs.new * 1000ul; - return 0; -} - -static struct cpufreq_driver pas_cpufreq_driver = { - .name = "pas-cpufreq", - .owner = THIS_MODULE, - .flags = CPUFREQ_CONST_LOOPS, - .init = pas_cpufreq_cpu_init, - .exit = pas_cpufreq_cpu_exit, - .verify = pas_cpufreq_verify, - .target = pas_cpufreq_target, - .attr = pas_cpu_freqs_attr, -}; - -/* - * module init and destoy - */ - -static int __init pas_cpufreq_init(void) -{ - if (!machine_is_compatible("PA6T-1682M") && - !machine_is_compatible("pasemi,pwrficient")) - return -ENODEV; - - return cpufreq_register_driver(&pas_cpufreq_driver); -} - -static void __exit pas_cpufreq_exit(void) -{ - cpufreq_unregister_driver(&pas_cpufreq_driver); -} - -module_init(pas_cpufreq_init); -module_exit(pas_cpufreq_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Egor Martovetsky <egor@pasemi.com>, Olof Johansson <olof@lixom.net>"); diff --git a/arch/powerpc/platforms/pasemi/dma_lib.c b/arch/powerpc/platforms/pasemi/dma_lib.c index 217af321b0c..aafa01ba062 100644 --- a/arch/powerpc/platforms/pasemi/dma_lib.c +++ b/arch/powerpc/platforms/pasemi/dma_lib.c @@ -18,10 +18,11 @@ */ #include <linux/kernel.h> -#include <linux/init.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/pci.h> +#include <linux/slab.h> #include <linux/of.h> +#include <linux/sched.h> #include <asm/pasemi_dma.h> @@ -378,9 +379,9 @@ void pasemi_dma_free_buf(struct pasemi_dmachan *chan, int size, } EXPORT_SYMBOL(pasemi_dma_free_buf); -/* pasemi_dma_alloc_flag - Allocate a flag (event) for channel syncronization +/* pasemi_dma_alloc_flag - Allocate a flag (event) for channel synchronization * - * Allocates a flag for use with channel syncronization (event descriptors). + * Allocates a flag for use with channel synchronization (event descriptors). * Returns allocated flag (0-63), < 0 on error. */ int pasemi_dma_alloc_flag(void) @@ -509,7 +510,7 @@ fallback: */ int pasemi_dma_init(void) { - static spinlock_t init_lock = SPIN_LOCK_UNLOCKED; + static DEFINE_SPINLOCK(init_lock); struct pci_dev *iob_pdev; struct pci_dev *pdev; struct resource res; @@ -575,7 +576,7 @@ int pasemi_dma_init(void) res.start = 0xfd800000; res.end = res.start + 0x1000; } - dma_status = __ioremap(res.start, res.end-res.start, 0); + dma_status = __ioremap(res.start, resource_size(&res), 0); pci_dev_put(iob_pdev); for (i = 0; i < MAX_TXCH; i++) diff --git a/arch/powerpc/platforms/pasemi/gpio_mdio.c b/arch/powerpc/platforms/pasemi/gpio_mdio.c index ab6955412ba..15adee54463 100644 --- a/arch/powerpc/platforms/pasemi/gpio_mdio.c +++ b/arch/powerpc/platforms/pasemi/gpio_mdio.c @@ -24,12 +24,14 @@ #include <linux/io.h> #include <linux/module.h> #include <linux/types.h> +#include <linux/slab.h> #include <linux/sched.h> #include <linux/errno.h> #include <linux/ioport.h> #include <linux/interrupt.h> #include <linux/phy.h> -#include <linux/platform_device.h> +#include <linux/of_address.h> +#include <linux/of_mdio.h> #include <linux/of_platform.h> #define DELAY 1 @@ -39,6 +41,7 @@ static void __iomem *gpio_regs; struct gpio_priv { int mdc_pin; int mdio_pin; + int mdio_irqs[PHY_MAX_ADDR]; }; #define MDC_PIN(bus) (((struct gpio_priv *)bus->priv)->mdc_pin) @@ -214,23 +217,21 @@ static int gpio_mdio_reset(struct mii_bus *bus) } -static int __devinit gpio_mdio_probe(struct of_device *ofdev, - const struct of_device_id *match) +static int gpio_mdio_probe(struct platform_device *ofdev) { struct device *dev = &ofdev->dev; - struct device_node *phy_dn, *np = ofdev->node; + struct device_node *np = ofdev->dev.of_node; struct mii_bus *new_bus; struct gpio_priv *priv; const unsigned int *prop; int err; - int i; err = -ENOMEM; priv = kzalloc(sizeof(struct gpio_priv), GFP_KERNEL); if (!priv) goto out; - new_bus = kzalloc(sizeof(struct mii_bus), GFP_KERNEL); + new_bus = mdiobus_alloc(); if (!new_bus) goto out_free_priv; @@ -244,27 +245,7 @@ static int __devinit gpio_mdio_probe(struct of_device *ofdev, snprintf(new_bus->id, MII_BUS_ID_SIZE, "%x", *prop); new_bus->priv = priv; - new_bus->phy_mask = 0; - - new_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL); - - if (!new_bus->irq) - goto out_free_bus; - - for (i = 0; i < PHY_MAX_ADDR; i++) - new_bus->irq[i] = NO_IRQ; - - for (phy_dn = of_get_next_child(np, NULL); - phy_dn != NULL; - phy_dn = of_get_next_child(np, phy_dn)) { - const unsigned int *ip, *regp; - - ip = of_get_property(phy_dn, "interrupts", NULL); - regp = of_get_property(phy_dn, "reg", NULL); - if (!ip || !regp || *regp >= PHY_MAX_ADDR) - continue; - new_bus->irq[*regp] = irq_create_mapping(NULL, *ip); - } + new_bus->irq = priv->mdio_irqs; prop = of_get_property(np, "mdc-pin", NULL); priv->mdc_pin = *prop; @@ -272,10 +253,10 @@ static int __devinit gpio_mdio_probe(struct of_device *ofdev, prop = of_get_property(np, "mdio-pin", NULL); priv->mdio_pin = *prop; - new_bus->dev = dev; + new_bus->parent = dev; dev_set_drvdata(dev, new_bus); - err = mdiobus_register(new_bus); + err = of_mdiobus_register(new_bus, np); if (err != 0) { printk(KERN_ERR "%s: Cannot register as MDIO bus, err %d\n", @@ -286,8 +267,6 @@ static int __devinit gpio_mdio_probe(struct of_device *ofdev, return 0; out_free_irq: - kfree(new_bus->irq); -out_free_bus: kfree(new_bus); out_free_priv: kfree(priv); @@ -296,7 +275,7 @@ out: } -static int gpio_mdio_remove(struct of_device *dev) +static int gpio_mdio_remove(struct platform_device *dev) { struct mii_bus *bus = dev_get_drvdata(&dev->dev); @@ -306,7 +285,7 @@ static int gpio_mdio_remove(struct of_device *dev) kfree(bus->priv); bus->priv = NULL; - kfree(bus); + mdiobus_free(bus); return 0; } @@ -320,13 +299,14 @@ static struct of_device_id gpio_mdio_match[] = }; MODULE_DEVICE_TABLE(of, gpio_mdio_match); -static struct of_platform_driver gpio_mdio_driver = +static struct platform_driver gpio_mdio_driver = { - .match_table = gpio_mdio_match, .probe = gpio_mdio_probe, .remove = gpio_mdio_remove, - .driver = { - .name = "gpio-mdio-bitbang", + .driver = { + .name = "gpio-mdio-bitbang", + .owner = THIS_MODULE, + .of_match_table = gpio_mdio_match, }, }; @@ -346,13 +326,13 @@ int gpio_mdio_init(void) if (!gpio_regs) return -ENODEV; - return of_register_platform_driver(&gpio_mdio_driver); + return platform_driver_register(&gpio_mdio_driver); } module_init(gpio_mdio_init); void gpio_mdio_exit(void) { - of_unregister_platform_driver(&gpio_mdio_driver); + platform_driver_unregister(&gpio_mdio_driver); if (gpio_regs) iounmap(gpio_regs); } diff --git a/arch/powerpc/platforms/pasemi/idle.c b/arch/powerpc/platforms/pasemi/idle.c index 43911d8b020..75b296bc51a 100644 --- a/arch/powerpc/platforms/pasemi/idle.c +++ b/arch/powerpc/platforms/pasemi/idle.c @@ -90,7 +90,7 @@ machine_late_initcall(pasemi, pasemi_idle_init); static int __init idle_param(char *p) { int i; - for (i = 0; i < sizeof(modes)/sizeof(struct sleep_mode); i++) { + for (i = 0; i < ARRAY_SIZE(modes); i++) { if (!strcmp(modes[i].name, p)) { current_mode = i; break; diff --git a/arch/powerpc/platforms/pasemi/iommu.c b/arch/powerpc/platforms/pasemi/iommu.c index a0ff03a3d8d..2e576f2ae44 100644 --- a/arch/powerpc/platforms/pasemi/iommu.c +++ b/arch/powerpc/platforms/pasemi/iommu.c @@ -19,12 +19,12 @@ #undef DEBUG +#include <linux/memblock.h> #include <linux/types.h> #include <linux/spinlock.h> #include <linux/pci.h> #include <asm/iommu.h> #include <asm/machdep.h> -#include <asm/abs_addr.h> #include <asm/firmware.h> #define IOBMAP_PAGE_SHIFT 12 @@ -99,7 +99,7 @@ static int iobmap_build(struct iommu_table *tbl, long index, ip = ((u32 *)tbl->it_base) + index; while (npages--) { - rpn = virt_to_abs(uaddr) >> IOBMAP_PAGE_SHIFT; + rpn = __pa(uaddr) >> IOBMAP_PAGE_SHIFT; *(ip++) = IOBMAP_L2E_V | rpn; /* invalidate tlb, can be optimized more */ @@ -138,8 +138,11 @@ static void iommu_table_iobmap_setup(void) pr_debug(" -> %s\n", __func__); iommu_table_iobmap.it_busno = 0; iommu_table_iobmap.it_offset = 0; + iommu_table_iobmap.it_page_shift = IOBMAP_PAGE_SHIFT; + /* it_size is in number of entries */ - iommu_table_iobmap.it_size = 0x80000000 >> IOBMAP_PAGE_SHIFT; + iommu_table_iobmap.it_size = + 0x80000000 >> iommu_table_iobmap.it_page_shift; /* Initialize the common IOMMU code */ iommu_table_iobmap.it_base = (unsigned long)iob_l2_base; @@ -156,20 +159,12 @@ static void iommu_table_iobmap_setup(void) static void pci_dma_bus_setup_pasemi(struct pci_bus *bus) { - struct device_node *dn; - pr_debug("pci_dma_bus_setup, bus %p, bus->self %p\n", bus, bus->self); if (!iommu_table_iobmap_inited) { iommu_table_iobmap_inited = 1; iommu_table_iobmap_setup(); } - - dn = pci_bus_to_OF_node(bus); - - if (dn) - PCI_DN(dn)->iommu_table = &iommu_table_iobmap; - } @@ -189,12 +184,9 @@ static void pci_dma_dev_setup_pasemi(struct pci_dev *dev) } #endif - dev->dev.archdata.dma_data = &iommu_table_iobmap; + set_iommu_table_base(&dev->dev, &iommu_table_iobmap); } -static void pci_dma_bus_setup_null(struct pci_bus *b) { } -static void pci_dma_dev_setup_null(struct pci_dev *d) { } - int __init iob_init(struct device_node *dn) { unsigned long tmp; @@ -204,7 +196,7 @@ int __init iob_init(struct device_node *dn) pr_debug(" -> %s\n", __func__); /* Allocate a spare page to map all invalid IOTLB pages. */ - tmp = lmb_alloc(IOBMAP_PAGE_SIZE, IOBMAP_PAGE_SIZE); + tmp = memblock_alloc(IOBMAP_PAGE_SIZE, IOBMAP_PAGE_SIZE); if (!tmp) panic("IOBMAP: Cannot allocate spare page!"); /* Empty l1 is marked invalid */ @@ -251,14 +243,8 @@ void __init iommu_init_early_pasemi(void) iommu_off = of_chosen && of_get_property(of_chosen, "linux,iommu-off", NULL); #endif - if (iommu_off) { - /* Direct I/O, IOMMU off */ - ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_null; - ppc_md.pci_dma_bus_setup = pci_dma_bus_setup_null; - set_pci_dma_ops(&dma_direct_ops); - + if (iommu_off) return; - } iob_init(NULL); @@ -275,7 +261,7 @@ void __init alloc_iobmap_l2(void) return; #endif /* For 2G space, 8x64 pages (2^21 bytes) is max total l2 size */ - iob_l2_base = (u32 *)abs_to_virt(lmb_alloc_base(1UL<<21, 1UL<<21, 0x80000000)); + iob_l2_base = (u32 *)__va(memblock_alloc_base(1UL<<21, 1UL<<21, 0x80000000)); printk(KERN_INFO "IOBMAP L2 allocated at: %p\n", iob_l2_base); } diff --git a/arch/powerpc/platforms/pasemi/pasemi.h b/arch/powerpc/platforms/pasemi/pasemi.h index b1e524f7489..ea65bf0eb89 100644 --- a/arch/powerpc/platforms/pasemi/pasemi.h +++ b/arch/powerpc/platforms/pasemi/pasemi.h @@ -3,8 +3,8 @@ extern unsigned long pas_get_boot_time(void); extern void pas_pci_init(void); -extern void __devinit pas_pci_irq_fixup(struct pci_dev *dev); -extern void __devinit pas_pci_dma_dev_setup(struct pci_dev *dev); +extern void pas_pci_irq_fixup(struct pci_dev *dev); +extern void pas_pci_dma_dev_setup(struct pci_dev *dev); extern void __iomem *pasemi_pci_getcfgaddr(struct pci_dev *dev, int offset); diff --git a/arch/powerpc/platforms/pasemi/pci.c b/arch/powerpc/platforms/pasemi/pci.c index b6a0ec45c69..aa862713258 100644 --- a/arch/powerpc/platforms/pasemi/pci.c +++ b/arch/powerpc/platforms/pasemi/pci.c @@ -229,9 +229,6 @@ void __init pas_pci_init(void) /* Setup the linkage between OF nodes and PHBs */ pci_devs_phb_init(); - - /* Use the common resource allocation mechanism */ - pci_probe_only = 1; } void __iomem *pasemi_pci_getcfgaddr(struct pci_dev *dev, int offset) diff --git a/arch/powerpc/platforms/pasemi/powersave.S b/arch/powerpc/platforms/pasemi/powersave.S index 56f45adcd08..81ab555aa49 100644 --- a/arch/powerpc/platforms/pasemi/powersave.S +++ b/arch/powerpc/platforms/pasemi/powersave.S @@ -66,7 +66,7 @@ sleep_common: std r3, 48(r1) /* Only do power savings when in astate 0 */ - bl .check_astate + bl check_astate cmpwi r3,0 bne 1f diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c index c64fb5bfb37..8c54de6d8ec 100644 --- a/arch/powerpc/platforms/pasemi/setup.c +++ b/arch/powerpc/platforms/pasemi/setup.c @@ -26,17 +26,19 @@ #include <linux/kernel.h> #include <linux/delay.h> #include <linux/console.h> +#include <linux/export.h> #include <linux/pci.h> #include <linux/of_platform.h> +#include <linux/gfp.h> #include <asm/prom.h> -#include <asm/system.h> #include <asm/iommu.h> #include <asm/machdep.h> #include <asm/mpic.h> #include <asm/smp.h> #include <asm/time.h> #include <asm/mmu.h> +#include <asm/debug.h> #include <pcmcia/ss.h> #include <pcmcia/cistpl.h> @@ -44,10 +46,6 @@ #include "pasemi.h" -#if !defined(CONFIG_SMP) -static void smp_send_stop(void) {} -#endif - /* SDC reset register, must be pre-mapped at reset time */ static void __iomem *reset_reg; @@ -75,31 +73,36 @@ static void pas_restart(char *cmd) } #ifdef CONFIG_SMP -static DEFINE_SPINLOCK(timebase_lock); +static arch_spinlock_t timebase_lock; static unsigned long timebase; -static void __devinit pas_give_timebase(void) +static void pas_give_timebase(void) { - spin_lock(&timebase_lock); + unsigned long flags; + + local_irq_save(flags); + hard_irq_disable(); + arch_spin_lock(&timebase_lock); mtspr(SPRN_TBCTL, TBCTL_FREEZE); isync(); timebase = get_tb(); - spin_unlock(&timebase_lock); + arch_spin_unlock(&timebase_lock); while (timebase) barrier(); mtspr(SPRN_TBCTL, TBCTL_RESTART); + local_irq_restore(flags); } -static void __devinit pas_take_timebase(void) +static void pas_take_timebase(void) { while (!timebase) smp_rmb(); - spin_lock(&timebase_lock); + arch_spin_lock(&timebase_lock); set_tb(timebase >> 32, timebase & 0xffffffff); timebase = 0; - spin_unlock(&timebase_lock); + arch_spin_unlock(&timebase_lock); } struct smp_ops_t pas_smp_ops = { @@ -221,7 +224,7 @@ static __init void pas_init_IRQ(void) openpic_addr = of_read_number(opprop, naddr); printk(KERN_DEBUG "OpenPIC addr: %lx\n", openpic_addr); - mpic_flags = MPIC_PRIMARY | MPIC_LARGE_VECTORS | MPIC_NO_BIAS; + mpic_flags = MPIC_LARGE_VECTORS | MPIC_NO_BIAS | MPIC_NO_RESET; nmiprop = of_get_property(mpic_node, "nmi-source", NULL); if (nmiprop) @@ -231,14 +234,14 @@ static __init void pas_init_IRQ(void) mpic_flags, 0, 0, "PASEMI-OPIC"); BUG_ON(!mpic); - mpic_assign_isu(mpic, 0, openpic_addr + 0x10000); + mpic_assign_isu(mpic, 0, mpic->paddr + 0x10000); mpic_init(mpic); /* The NMI/MCK source needs to be prio 15 */ if (nmiprop) { nmi_virq = irq_create_mapping(NULL, *nmiprop); mpic_irq_set_priority(nmi_virq, 15); - set_irq_type(nmi_virq, IRQ_TYPE_EDGE_RISING); - mpic_unmask_irq(nmi_virq); + irq_set_irq_type(nmi_virq, IRQ_TYPE_EDGE_RISING); + mpic_unmask_irq(irq_get_irq_data(nmi_virq)); } of_node_put(mpic_node); @@ -264,7 +267,7 @@ static int pas_machine_check_handler(struct pt_regs *regs) if (nmi_virq != NO_IRQ && mpic_get_mcirq() == nmi_virq) { printk(KERN_ERR "NMI delivered\n"); debugger(regs); - mpic_end_irq(nmi_virq); + mpic_end_irq(irq_get_irq_data(nmi_virq)); goto out; } @@ -358,10 +361,10 @@ static int pcmcia_notify(struct notifier_block *nb, unsigned long action, /* We know electra_cf devices will always have of_node set, since * electra_cf is an of_platform driver. */ - if (!parent->archdata.of_node) + if (!parent->of_node) return 0; - if (!of_device_is_compatible(parent->archdata.of_node, "electra-cf")) + if (!of_device_is_compatible(parent->of_node, "electra-cf")) return 0; /* We use the direct ops for localbus */ |