diff options
author | David Woodhouse <David.Woodhouse@intel.com> | 2010-10-30 12:35:11 +0100 |
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committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-10-30 12:35:11 +0100 |
commit | 67577927e8d7a1f4b09b4992df640eadc6aacb36 (patch) | |
tree | 2e9efe6b5745965faf0dcc084d4613d9356263f9 /arch/powerpc/sysdev | |
parent | 6fe4c590313133ebd5dadb769031489ff178ece1 (diff) | |
parent | 51f00a471ce8f359627dd99aeac322947a0e491b (diff) | |
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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Conflicts:
drivers/mtd/mtd_blkdevs.c
Merge Grant's device-tree bits so that we can apply the subsequent fixes.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'arch/powerpc/sysdev')
-rw-r--r-- | arch/powerpc/sysdev/Makefile | 5 | ||||
-rw-r--r-- | arch/powerpc/sysdev/dart_iommu.c | 74 | ||||
-rw-r--r-- | arch/powerpc/sysdev/fsl_85xx_cache_ctlr.h | 101 | ||||
-rw-r--r-- | arch/powerpc/sysdev/fsl_85xx_cache_sram.c | 159 | ||||
-rw-r--r-- | arch/powerpc/sysdev/fsl_85xx_l2ctlr.c | 231 | ||||
-rw-r--r-- | arch/powerpc/sysdev/fsl_msi.c | 13 | ||||
-rw-r--r-- | arch/powerpc/sysdev/fsl_pci.c | 60 | ||||
-rw-r--r-- | arch/powerpc/sysdev/fsl_pci.h | 1 | ||||
-rw-r--r-- | arch/powerpc/sysdev/fsl_rio.c | 65 | ||||
-rw-r--r-- | arch/powerpc/sysdev/fsl_soc.c | 181 | ||||
-rw-r--r-- | arch/powerpc/sysdev/mpc8xxx_gpio.c | 3 | ||||
-rw-r--r-- | arch/powerpc/sysdev/mpic_pasemi_msi.c | 22 | ||||
-rw-r--r-- | arch/powerpc/sysdev/mpic_u3msi.c | 18 | ||||
-rw-r--r-- | arch/powerpc/sysdev/pmi.c | 2 |
14 files changed, 698 insertions, 237 deletions
diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile index 5642924..0bef9da 100644 --- a/arch/powerpc/sysdev/Makefile +++ b/arch/powerpc/sysdev/Makefile @@ -1,8 +1,6 @@ subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror -ifeq ($(CONFIG_PPC64),y) -EXTRA_CFLAGS += -mno-minimal-toc -endif +ccflags-$(CONFIG_PPC64) := -mno-minimal-toc mpic-msi-obj-$(CONFIG_PCI_MSI) += mpic_msi.o mpic_u3msi.o mpic_pasemi_msi.o obj-$(CONFIG_MPIC) += mpic.o $(mpic-msi-obj-y) @@ -20,6 +18,7 @@ obj-$(CONFIG_FSL_PMC) += fsl_pmc.o obj-$(CONFIG_FSL_LBC) += fsl_lbc.o obj-$(CONFIG_FSL_GTM) += fsl_gtm.o obj-$(CONFIG_MPC8xxx_GPIO) += mpc8xxx_gpio.o +obj-$(CONFIG_FSL_85XX_CACHE_SRAM) += fsl_85xx_l2ctlr.o fsl_85xx_cache_sram.o obj-$(CONFIG_SIMPLE_GPIO) += simple_gpio.o obj-$(CONFIG_RAPIDIO) += fsl_rio.o obj-$(CONFIG_TSI108_BRIDGE) += tsi108_pci.o tsi108_dev.o diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c index 559db2b..17cf15e 100644 --- a/arch/powerpc/sysdev/dart_iommu.c +++ b/arch/powerpc/sysdev/dart_iommu.c @@ -70,6 +70,8 @@ static int iommu_table_dart_inited; static int dart_dirty; static int dart_is_u4; +#define DART_U4_BYPASS_BASE 0x8000000000ull + #define DBG(...) static inline void dart_tlb_invalidate_all(void) @@ -292,12 +294,20 @@ static void iommu_table_dart_setup(void) set_bit(iommu_table_dart.it_size - 1, iommu_table_dart.it_map); } -static void pci_dma_dev_setup_dart(struct pci_dev *dev) +static void dma_dev_setup_dart(struct device *dev) { /* We only have one iommu table on the mac for now, which makes * things simple. Setup all PCI devices to point to this table */ - set_iommu_table_base(&dev->dev, &iommu_table_dart); + if (get_dma_ops(dev) == &dma_direct_ops) + set_dma_offset(dev, DART_U4_BYPASS_BASE); + else + set_iommu_table_base(dev, &iommu_table_dart); +} + +static void pci_dma_dev_setup_dart(struct pci_dev *dev) +{ + dma_dev_setup_dart(&dev->dev); } static void pci_dma_bus_setup_dart(struct pci_bus *bus) @@ -315,6 +325,45 @@ static void pci_dma_bus_setup_dart(struct pci_bus *bus) PCI_DN(dn)->iommu_table = &iommu_table_dart; } +static bool dart_device_on_pcie(struct device *dev) +{ + struct device_node *np = of_node_get(dev->of_node); + + while(np) { + if (of_device_is_compatible(np, "U4-pcie") || + of_device_is_compatible(np, "u4-pcie")) { + of_node_put(np); + return true; + } + np = of_get_next_parent(np); + } + return false; +} + +static int dart_dma_set_mask(struct device *dev, u64 dma_mask) +{ + if (!dev->dma_mask || !dma_supported(dev, dma_mask)) + return -EIO; + + /* U4 supports a DART bypass, we use it for 64-bit capable + * devices to improve performances. However, that only works + * for devices connected to U4 own PCIe interface, not bridged + * through hypertransport. We need the device to support at + * least 40 bits of addresses. + */ + if (dart_device_on_pcie(dev) && dma_mask >= DMA_BIT_MASK(40)) { + dev_info(dev, "Using 64-bit DMA iommu bypass\n"); + set_dma_ops(dev, &dma_direct_ops); + } else { + dev_info(dev, "Using 32-bit DMA via iommu\n"); + set_dma_ops(dev, &dma_iommu_ops); + } + dma_dev_setup_dart(dev); + + *dev->dma_mask = dma_mask; + return 0; +} + void __init iommu_init_early_dart(void) { struct device_node *dn; @@ -328,20 +377,25 @@ void __init iommu_init_early_dart(void) dart_is_u4 = 1; } + /* Initialize the DART HW */ + if (dart_init(dn) != 0) + goto bail; + /* Setup low level TCE operations for the core IOMMU code */ ppc_md.tce_build = dart_build; ppc_md.tce_free = dart_free; ppc_md.tce_flush = dart_flush; - /* Initialize the DART HW */ - if (dart_init(dn) == 0) { - ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_dart; - ppc_md.pci_dma_bus_setup = pci_dma_bus_setup_dart; + /* Setup bypass if supported */ + if (dart_is_u4) + ppc_md.dma_set_mask = dart_dma_set_mask; - /* Setup pci_dma ops */ - set_pci_dma_ops(&dma_iommu_ops); - return; - } + ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_dart; + ppc_md.pci_dma_bus_setup = pci_dma_bus_setup_dart; + + /* Setup pci_dma ops */ + set_pci_dma_ops(&dma_iommu_ops); + return; bail: /* If init failed, use direct iommu and null setup functions */ diff --git a/arch/powerpc/sysdev/fsl_85xx_cache_ctlr.h b/arch/powerpc/sysdev/fsl_85xx_cache_ctlr.h new file mode 100644 index 0000000..60c9c0b --- /dev/null +++ b/arch/powerpc/sysdev/fsl_85xx_cache_ctlr.h @@ -0,0 +1,101 @@ +/* + * Copyright 2009-2010 Freescale Semiconductor, Inc + * + * QorIQ based Cache Controller Memory Mapped Registers + * + * Author: Vivek Mahajan <vivek.mahajan@freescale.com> + * + * 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. + * + * 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. + */ + +#ifndef __FSL_85XX_CACHE_CTLR_H__ +#define __FSL_85XX_CACHE_CTLR_H__ + +#define L2CR_L2FI 0x40000000 /* L2 flash invalidate */ +#define L2CR_L2IO 0x00200000 /* L2 instruction only */ +#define L2CR_SRAM_ZERO 0x00000000 /* L2SRAM zero size */ +#define L2CR_SRAM_FULL 0x00010000 /* L2SRAM full size */ +#define L2CR_SRAM_HALF 0x00020000 /* L2SRAM half size */ +#define L2CR_SRAM_TWO_HALFS 0x00030000 /* L2SRAM two half sizes */ +#define L2CR_SRAM_QUART 0x00040000 /* L2SRAM one quarter size */ +#define L2CR_SRAM_TWO_QUARTS 0x00050000 /* L2SRAM two quarter size */ +#define L2CR_SRAM_EIGHTH 0x00060000 /* L2SRAM one eighth size */ +#define L2CR_SRAM_TWO_EIGHTH 0x00070000 /* L2SRAM two eighth size */ + +#define L2SRAM_OPTIMAL_SZ_SHIFT 0x00000003 /* Optimum size for L2SRAM */ + +#define L2SRAM_BAR_MSK_LO18 0xFFFFC000 /* Lower 18 bits */ +#define L2SRAM_BARE_MSK_HI4 0x0000000F /* Upper 4 bits */ + +enum cache_sram_lock_ways { + LOCK_WAYS_ZERO, + LOCK_WAYS_EIGHTH, + LOCK_WAYS_TWO_EIGHTH, + LOCK_WAYS_HALF = 4, + LOCK_WAYS_FULL = 8, +}; + +struct mpc85xx_l2ctlr { + u32 ctl; /* 0x000 - L2 control */ + u8 res1[0xC]; + u32 ewar0; /* 0x010 - External write address 0 */ + u32 ewarea0; /* 0x014 - External write address extended 0 */ + u32 ewcr0; /* 0x018 - External write ctrl */ + u8 res2[4]; + u32 ewar1; /* 0x020 - External write address 1 */ + u32 ewarea1; /* 0x024 - External write address extended 1 */ + u32 ewcr1; /* 0x028 - External write ctrl 1 */ + u8 res3[4]; + u32 ewar2; /* 0x030 - External write address 2 */ + u32 ewarea2; /* 0x034 - External write address extended 2 */ + u32 ewcr2; /* 0x038 - External write ctrl 2 */ + u8 res4[4]; + u32 ewar3; /* 0x040 - External write address 3 */ + u32 ewarea3; /* 0x044 - External write address extended 3 */ + u32 ewcr3; /* 0x048 - External write ctrl 3 */ + u8 res5[0xB4]; + u32 srbar0; /* 0x100 - SRAM base address 0 */ + u32 srbarea0; /* 0x104 - SRAM base addr reg ext address 0 */ + u32 srbar1; /* 0x108 - SRAM base address 1 */ + u32 srbarea1; /* 0x10C - SRAM base addr reg ext address 1 */ + u8 res6[0xCF0]; + u32 errinjhi; /* 0xE00 - Error injection mask high */ + u32 errinjlo; /* 0xE04 - Error injection mask low */ + u32 errinjctl; /* 0xE08 - Error injection tag/ecc control */ + u8 res7[0x14]; + u32 captdatahi; /* 0xE20 - Error data high capture */ + u32 captdatalo; /* 0xE24 - Error data low capture */ + u32 captecc; /* 0xE28 - Error syndrome */ + u8 res8[0x14]; + u32 errdet; /* 0xE40 - Error detect */ + u32 errdis; /* 0xE44 - Error disable */ + u32 errinten; /* 0xE48 - Error interrupt enable */ + u32 errattr; /* 0xE4c - Error attribute capture */ + u32 erradrrl; /* 0xE50 - Error address capture low */ + u32 erradrrh; /* 0xE54 - Error address capture high */ + u32 errctl; /* 0xE58 - Error control */ + u8 res9[0x1A4]; +}; + +struct sram_parameters { + unsigned int sram_size; + uint64_t sram_offset; +}; + +extern int instantiate_cache_sram(struct platform_device *dev, + struct sram_parameters sram_params); +extern void remove_cache_sram(struct platform_device *dev); + +#endif /* __FSL_85XX_CACHE_CTLR_H__ */ diff --git a/arch/powerpc/sysdev/fsl_85xx_cache_sram.c b/arch/powerpc/sysdev/fsl_85xx_cache_sram.c new file mode 100644 index 0000000..54fb192 --- /dev/null +++ b/arch/powerpc/sysdev/fsl_85xx_cache_sram.c @@ -0,0 +1,159 @@ +/* + * Copyright 2009-2010 Freescale Semiconductor, Inc. + * + * Simple memory allocator abstraction for QorIQ (P1/P2) based Cache-SRAM + * + * Author: Vivek Mahajan <vivek.mahajan@freescale.com> + * + * This file is derived from the original work done + * by Sylvain Munaut for the Bestcomm SRAM allocator. + * + * 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. + * + * 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/kernel.h> +#include <linux/slab.h> +#include <linux/err.h> +#include <linux/of_platform.h> +#include <asm/pgtable.h> +#include <asm/fsl_85xx_cache_sram.h> + +#include "fsl_85xx_cache_ctlr.h" + +struct mpc85xx_cache_sram *cache_sram; + +void *mpc85xx_cache_sram_alloc(unsigned int size, + phys_addr_t *phys, unsigned int align) +{ + unsigned long offset; + unsigned long flags; + + if (unlikely(cache_sram == NULL)) + return NULL; + + if (!size || (size > cache_sram->size) || (align > cache_sram->size)) { + pr_err("%s(): size(=%x) or align(=%x) zero or too big\n", + __func__, size, align); + return NULL; + } + + if ((align & (align - 1)) || align <= 1) { + pr_err("%s(): align(=%x) must be power of two and >1\n", + __func__, align); + return NULL; + } + + spin_lock_irqsave(&cache_sram->lock, flags); + offset = rh_alloc_align(cache_sram->rh, size, align, NULL); + spin_unlock_irqrestore(&cache_sram->lock, flags); + + if (IS_ERR_VALUE(offset)) + return NULL; + + *phys = cache_sram->base_phys + offset; + + return (unsigned char *)cache_sram->base_virt + offset; +} +EXPORT_SYMBOL(mpc85xx_cache_sram_alloc); + +void mpc85xx_cache_sram_free(void *ptr) +{ + unsigned long flags; + BUG_ON(!ptr); + + spin_lock_irqsave(&cache_sram->lock, flags); + rh_free(cache_sram->rh, ptr - cache_sram->base_virt); + spin_unlock_irqrestore(&cache_sram->lock, flags); +} +EXPORT_SYMBOL(mpc85xx_cache_sram_free); + +int __init instantiate_cache_sram(struct platform_device *dev, + struct sram_parameters sram_params) +{ + int ret = 0; + + if (cache_sram) { + dev_err(&dev->dev, "Already initialized cache-sram\n"); + return -EBUSY; + } + + cache_sram = kzalloc(sizeof(struct mpc85xx_cache_sram), GFP_KERNEL); + if (!cache_sram) { + dev_err(&dev->dev, "Out of memory for cache_sram structure\n"); + return -ENOMEM; + } + + cache_sram->base_phys = sram_params.sram_offset; + cache_sram->size = sram_params.sram_size; + + if (!request_mem_region(cache_sram->base_phys, cache_sram->size, + "fsl_85xx_cache_sram")) { + dev_err(&dev->dev, "%s: request memory failed\n", + dev->dev.of_node->full_name); + ret = -ENXIO; + goto out_free; + } + + cache_sram->base_virt = ioremap_flags(cache_sram->base_phys, + cache_sram->size, _PAGE_COHERENT | PAGE_KERNEL); + if (!cache_sram->base_virt) { + dev_err(&dev->dev, "%s: ioremap_flags failed\n", + dev->dev.of_node->full_name); + ret = -ENOMEM; + goto out_release; + } + + cache_sram->rh = rh_create(sizeof(unsigned int)); + if (IS_ERR(cache_sram->rh)) { + dev_err(&dev->dev, "%s: Unable to create remote heap\n", + dev->dev.of_node->full_name); + ret = PTR_ERR(cache_sram->rh); + goto out_unmap; + } + + rh_attach_region(cache_sram->rh, 0, cache_sram->size); + spin_lock_init(&cache_sram->lock); + + dev_info(&dev->dev, "[base:0x%llx, size:0x%x] configured and loaded\n", + (unsigned long long)cache_sram->base_phys, cache_sram->size); + + return 0; + +out_unmap: + iounmap(cache_sram->base_virt); + +out_release: + release_mem_region(cache_sram->base_phys, cache_sram->size); + +out_free: + kfree(cache_sram); + return ret; +} + +void remove_cache_sram(struct platform_device *dev) +{ + BUG_ON(!cache_sram); + + rh_detach_region(cache_sram->rh, 0, cache_sram->size); + rh_destroy(cache_sram->rh); + + iounmap(cache_sram->base_virt); + release_mem_region(cache_sram->base_phys, cache_sram->size); + + kfree(cache_sram); + cache_sram = NULL; + + dev_info(&dev->dev, "MPC85xx Cache-SRAM driver unloaded\n"); +} diff --git a/arch/powerpc/sysdev/fsl_85xx_l2ctlr.c b/arch/powerpc/sysdev/fsl_85xx_l2ctlr.c new file mode 100644 index 0000000..cc8d655 --- /dev/null +++ b/arch/powerpc/sysdev/fsl_85xx_l2ctlr.c @@ -0,0 +1,231 @@ +/* + * Copyright 2009-2010 Freescale Semiconductor, Inc. + * + * QorIQ (P1/P2) L2 controller init for Cache-SRAM instantiation + * + * Author: Vivek Mahajan <vivek.mahajan@freescale.com> + * + * 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. + * + * 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/kernel.h> +#include <linux/of_platform.h> +#include <asm/io.h> + +#include "fsl_85xx_cache_ctlr.h" + +static char *sram_size; +static char *sram_offset; +struct mpc85xx_l2ctlr __iomem *l2ctlr; + +static long get_cache_sram_size(void) +{ + unsigned long val; + + if (!sram_size || (strict_strtoul(sram_size, 0, &val) < 0)) + return -EINVAL; + + return val; +} + +static long get_cache_sram_offset(void) +{ + unsigned long val; + + if (!sram_offset || (strict_strtoul(sram_offset, 0, &val) < 0)) + return -EINVAL; + + return val; +} + +static int __init get_size_from_cmdline(char *str) +{ + if (!str) + return 0; + + sram_size = str; + return 1; +} + +static int __init get_offset_from_cmdline(char *str) +{ + if (!str) + return 0; + + sram_offset = str; + return 1; +} + +__setup("cache-sram-size=", get_size_from_cmdline); +__setup("cache-sram-offset=", get_offset_from_cmdline); + +static int __devinit mpc85xx_l2ctlr_of_probe(struct platform_device *dev, + const struct of_device_id *match) +{ + long rval; + unsigned int rem; + unsigned char ways; + const unsigned int *prop; + unsigned int l2cache_size; + struct sram_parameters sram_params; + + if (!dev->dev.of_node) { + dev_err(&dev->dev, "Device's OF-node is NULL\n"); + return -EINVAL; + } + + prop = of_get_property(dev->dev.of_node, "cache-size", NULL); + if (!prop) { + dev_err(&dev->dev, "Missing L2 cache-size\n"); + return -EINVAL; + } + l2cache_size = *prop; + + sram_params.sram_size = get_cache_sram_size(); + if (sram_params.sram_size <= 0) { + dev_err(&dev->dev, + "Entire L2 as cache, Aborting Cache-SRAM stuff\n"); + return -EINVAL; + } + + sram_params.sram_offset = get_cache_sram_offset(); + if (sram_params.sram_offset <= 0) { + dev_err(&dev->dev, + "Entire L2 as cache, provide a valid sram offset\n"); + return -EINVAL; + } + + + rem = l2cache_size % sram_params.sram_size; + ways = LOCK_WAYS_FULL * sram_params.sram_size / l2cache_size; + if (rem || (ways & (ways - 1))) { + dev_err(&dev->dev, "Illegal cache-sram-size in command line\n"); + return -EINVAL; + } + + l2ctlr = of_iomap(dev->dev.of_node, 0); + if (!l2ctlr) { + dev_err(&dev->dev, "Can't map L2 controller\n"); + return -EINVAL; + } + + /* + * Write bits[0-17] to srbar0 + */ + out_be32(&l2ctlr->srbar0, + sram_params.sram_offset & L2SRAM_BAR_MSK_LO18); + + /* + * Write bits[18-21] to srbare0 + */ +#ifdef CONFIG_PHYS_64BIT + out_be32(&l2ctlr->srbarea0, + (sram_params.sram_offset >> 32) & L2SRAM_BARE_MSK_HI4); +#endif + + clrsetbits_be32(&l2ctlr->ctl, L2CR_L2E, L2CR_L2FI); + + switch (ways) { + case LOCK_WAYS_EIGHTH: + setbits32(&l2ctlr->ctl, + L2CR_L2E | L2CR_L2FI | L2CR_SRAM_EIGHTH); + break; + + case LOCK_WAYS_TWO_EIGHTH: + setbits32(&l2ctlr->ctl, + L2CR_L2E | L2CR_L2FI | L2CR_SRAM_QUART); + break; + + case LOCK_WAYS_HALF: + setbits32(&l2ctlr->ctl, + L2CR_L2E | L2CR_L2FI | L2CR_SRAM_HALF); + break; + + case LOCK_WAYS_FULL: + default: + setbits32(&l2ctlr->ctl, + L2CR_L2E | L2CR_L2FI | L2CR_SRAM_FULL); + break; + } + eieio(); + + rval = instantiate_cache_sram(dev, sram_params); + if (rval < 0) { + dev_err(&dev->dev, "Can't instantiate Cache-SRAM\n"); + iounmap(l2ctlr); + return -EINVAL; + } + + return 0; +} + +static int __devexit mpc85xx_l2ctlr_of_remove(struct platform_device *dev) +{ + BUG_ON(!l2ctlr); + + iounmap(l2ctlr); + remove_cache_sram(dev); + dev_info(&dev->dev, "MPC85xx L2 controller unloaded\n"); + + return 0; +} + +static struct of_device_id mpc85xx_l2ctlr_of_match[] = { + { + .compatible = "fsl,p2020-l2-cache-controller", + }, + { + .compatible = "fsl,p2010-l2-cache-controller", + }, + { + .compatible = "fsl,p1020-l2-cache-controller", + }, + { + .compatible = "fsl,p1011-l2-cache-controller", + }, + { + .compatible = "fsl,p1013-l2-cache-controller", + }, + { + .compatible = "fsl,p1022-l2-cache-controller", + }, + {}, +}; + +static struct of_platform_driver mpc85xx_l2ctlr_of_platform_driver = { + .driver = { + .name = "fsl-l2ctlr", + .owner = THIS_MODULE, + .of_match_table = mpc85xx_l2ctlr_of_match, + }, + .probe = mpc85xx_l2ctlr_of_probe, + .remove = __devexit_p(mpc85xx_l2ctlr_of_remove), +}; + +static __init int mpc85xx_l2ctlr_of_init(void) +{ + return of_register_platform_driver(&mpc85xx_l2ctlr_of_platform_driver); +} + +static void __exit mpc85xx_l2ctlr_of_exit(void) +{ + of_unregister_platform_driver(&mpc85xx_l2ctlr_of_platform_driver); +} + +subsys_initcall(mpc85xx_l2ctlr_of_init); +module_exit(mpc85xx_l2ctlr_of_exit); + +MODULE_DESCRIPTION("Freescale MPC85xx L2 controller init"); +MODULE_LICENSE("GPL v2"); diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c index 87991d3..108d76f 100644 --- a/arch/powerpc/sysdev/fsl_msi.c +++ b/arch/powerpc/sysdev/fsl_msi.c @@ -24,6 +24,7 @@ #include <asm/ppc-pci.h> #include <asm/mpic.h> #include "fsl_msi.h" +#include "fsl_pci.h" LIST_HEAD(msi_head); @@ -51,8 +52,8 @@ static void fsl_msi_end_irq(unsigned int virq) } static struct irq_chip fsl_msi_chip = { - .mask = mask_msi_irq, - .unmask = unmask_msi_irq, + .irq_mask = mask_msi_irq, + .irq_unmask = unmask_msi_irq, .ack = fsl_msi_end_irq, .name = "FSL-MSI", }; @@ -125,13 +126,11 @@ static void fsl_compose_msi_msg(struct pci_dev *pdev, int hwirq, { struct fsl_msi *msi_data = fsl_msi_data; struct pci_controller *hose = pci_bus_to_host(pdev->bus); - u32 base = 0; + u64 base = fsl_pci_immrbar_base(hose); - pci_bus_read_config_dword(hose->bus, - PCI_DEVFN(0, 0), PCI_BASE_ADDRESS_0, &base); + msg->address_lo = msi_data->msi_addr_lo + lower_32_bits(base); + msg->address_hi = msi_data->msi_addr_hi + upper_32_bits(base); - msg->address_lo = msi_data->msi_addr_lo + base; - msg->address_hi = msi_data->msi_addr_hi; msg->data = hwirq; pr_debug("%s: allocated srs: %d, ibs: %d\n", diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index 4ae9332..818f7c6 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -1,7 +1,7 @@ /* * MPC83xx/85xx/86xx PCI/PCIE support routing. * - * Copyright 2007-2009 Freescale Semiconductor, Inc. + * Copyright 2007-2010 Freescale Semiconductor, Inc. * Copyright 2008-2009 MontaVista Software, Inc. * * Initial author: Xianghua Xiao <x.xiao@freescale.com> @@ -34,7 +34,7 @@ #include <sysdev/fsl_soc.h> #include <sysdev/fsl_pci.h> -static int fsl_pcie_bus_fixup; +static int fsl_pcie_bus_fixup, is_mpc83xx_pci; static void __init quirk_fsl_pcie_header(struct pci_dev *dev) { @@ -407,10 +407,18 @@ DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2010E, quirk_fsl_pcie_header); DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2010, quirk_fsl_pcie_header); DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2020E, quirk_fsl_pcie_header); DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2020, quirk_fsl_pcie_header); +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2040E, quirk_fsl_pcie_header); +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2040, quirk_fsl_pcie_header); +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P3041E, quirk_fsl_pcie_header); +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P3041, quirk_fsl_pcie_header); DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4040E, quirk_fsl_pcie_header); DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4040, quirk_fsl_pcie_header); DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4080E, quirk_fsl_pcie_header); DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4080, quirk_fsl_pcie_header); +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P5010E, quirk_fsl_pcie_header); +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P5010, quirk_fsl_pcie_header); +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P5020E, quirk_fsl_pcie_header); +DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P5020, quirk_fsl_pcie_header); #endif /* CONFIG_FSL_SOC_BOOKE || CONFIG_PPC_86xx */ #if defined(CONFIG_PPC_83xx) || defined(CONFIG_PPC_MPC512x) @@ -430,6 +438,13 @@ struct mpc83xx_pcie_priv { u32 dev_base; }; +struct pex_inbound_window { + u32 ar; + u32 tar; + u32 barl; + u32 barh; +}; + /* * With the convention of u-boot, the PCIE outbound window 0 serves * as configuration transactions outbound. @@ -437,6 +452,8 @@ struct mpc83xx_pcie_priv { #define PEX_OUTWIN0_BAR 0xCA4 #define PEX_OUTWIN0_TAL 0xCA8 #define PEX_OUTWIN0_TAH 0xCAC +#define PEX_RC_INWIN_BASE 0xE60 +#define PEX_RCIWARn_EN 0x1 static int mpc83xx_pcie_exclude_device(struct pci_bus *bus, unsigned int devfn) { @@ -604,6 +621,8 @@ int __init mpc83xx_add_bridge(struct device_node *dev) const int *bus_range; int primary; + is_mpc83xx_pci = 1; + if (!of_device_is_available(dev)) { pr_warning("%s: disabled by the firmware.\n", dev->full_name); @@ -683,3 +702,40 @@ err0: return ret; } #endif /* CONFIG_PPC_83xx */ + +u64 fsl_pci_immrbar_base(struct pci_controller *hose) +{ +#ifdef CONFIG_PPC_83xx + if (is_mpc83xx_pci) { + struct mpc83xx_pcie_priv *pcie = hose->dn->data; + struct pex_inbound_window *in; + int i; + + /* Walk the Root Complex Inbound windows to match IMMR base */ + in = pcie->cfg_type0 + PEX_RC_INWIN_BASE; + for (i = 0; i < 4; i++) { + /* not enabled, skip */ + if (!in_le32(&in[i].ar) & PEX_RCIWARn_EN) + continue; + + if (get_immrbase() == in_le32(&in[i].tar)) + return (u64)in_le32(&in[i].barh) << 32 | + in_le32(&in[i].barl); + } + + printk(KERN_WARNING "could not find PCI BAR matching IMMR\n"); + } +#endif + +#if defined(CONFIG_FSL_SOC_BOOKE) || defined(CONFIG_PPC_86xx) + if (!is_mpc83xx_pci) { + u32 base; + + pci_bus_read_config_dword(hose->bus, + PCI_DEVFN(0, 0), PCI_BASE_ADDRESS_0, &base); + return base; + } +#endif + + return 0; +} diff --git a/arch/powerpc/sysdev/fsl_pci.h b/arch/powerpc/sysdev/fsl_pci.h index a9d8bbe..8ad72a1 100644 --- a/arch/powerpc/sysdev/fsl_pci.h +++ b/arch/powerpc/sysdev/fsl_pci.h @@ -88,6 +88,7 @@ struct ccsr_pci { extern int fsl_add_bridge(struct device_node *dev, int is_primary); extern void fsl_pcibios_fixup_bus(struct pci_bus *bus); extern int mpc83xx_add_bridge(struct device_node *dev); +u64 fsl_pci_immrbar_base(struct pci_controller *hose); #endif /* __POWERPC_FSL_PCI_H */ #endif /* __KERNEL__ */ diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c index 3017532..4127636 100644 --- a/arch/powerpc/sysdev/fsl_rio.c +++ b/arch/powerpc/sysdev/fsl_rio.c @@ -117,44 +117,59 @@ struct rio_atmu_regs { }; struct rio_msg_regs { - u32 omr; - u32 osr; + u32 omr; /* 0xD_3000 - Outbound message 0 mode register */ + u32 osr; /* 0xD_3004 - Outbound message 0 status register */ u32 pad1; - u32 odqdpar; + u32 odqdpar; /* 0xD_300C - Outbound message 0 descriptor queue + dequeue pointer address register */ u32 pad2; - u32 osar; - u32 odpr; - u32 odatr; - u32 odcr; + u32 osar; /* 0xD_3014 - Outbound message 0 source address + register */ + u32 odpr; /* 0xD_3018 - Outbound message 0 destination port + register */ + u32 odatr; /* 0xD_301C - Outbound message 0 destination attributes + Register*/ + u32 odcr; /* 0xD_3020 - Outbound message 0 double-word count + register */ u32 pad3; - u32 odqepar; + u32 odqepar; /* 0xD_3028 - Outbound message 0 descriptor queue + enqueue pointer address register */ u32 pad4[13]; - u32 imr; - u32 isr; + u32 imr; /* 0xD_3060 - Inbound message 0 mode register */ + u32 isr; /* 0xD_3064 - Inbound message 0 status register */ u32 pad5; - u32 ifqdpar; + u32 ifqdpar; /* 0xD_306C - Inbound message 0 frame queue dequeue + pointer address register*/ u32 pad6; - u32 ifqepar; + u32 ifqepar; /* 0xD_3074 - Inbound message 0 frame queue enqueue + pointer address register */ u32 pad7[226]; - u32 odmr; - u32 odsr; + u32 odmr; /* 0xD_3400 - Outbound doorbell mode register */ + u32 odsr; /* 0xD_3404 - Outbound doorbell status register */ u32 res0[4]; - u32 oddpr; - u32 oddatr; + u32 oddpr; /* 0xD_3418 - Outbound doorbell destination port + register */ + u32 oddatr; /* 0xD_341c - Outbound doorbell destination attributes + register */ u32 res1[3]; - u32 odretcr; + u32 odretcr; /* 0xD_342C - Outbound doorbell retry error threshold + configuration register */ u32 res2[12]; - u32 dmr; - u32 dsr; + u32 dmr; /* 0xD_3460 - Inbound doorbell mode register */ + u32 dsr; /* 0xD_3464 - Inbound doorbell status register */ u32 pad8; - u32 dqdpar; + u32 dqdpar; /* 0xD_346C - Inbound doorbell queue dequeue Pointer + address register */ u32 pad9; - u32 dqepar; + u32 dqepar; /* 0xD_3474 - Inbound doorbell Queue enqueue pointer + address register */ u32 pad10[26]; - u32 pwmr; - u32 pwsr; - u32 epwqbar; - u32 pwqbar; + u32 pwmr; /* 0xD_34E0 - Inbound port-write mode register */ + u32 pwsr; /* 0xD_34E4 - Inbound port-write status register */ + u32 epwqbar; /* 0xD_34E8 - Extended Port-Write Queue Base Address + register */ + u32 pwqbar; /* 0xD_34EC - Inbound port-write queue base address + register */ }; struct rio_tx_desc { diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c index b91f7ac..19e5015 100644 --- a/arch/powerpc/sysdev/fsl_soc.c +++ b/arch/powerpc/sysdev/fsl_soc.c @@ -209,186 +209,29 @@ static int __init of_add_fixed_phys(void) arch_initcall(of_add_fixed_phys); #endif /* CONFIG_FIXED_PHY */ -static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type) -{ - if (!phy_type) - return FSL_USB2_PHY_NONE; - if (!strcasecmp(phy_type, "ulpi")) - return FSL_USB2_PHY_ULPI; - if (!strcasecmp(phy_type, "utmi")) - return FSL_USB2_PHY_UTMI; - if (!strcasecmp(phy_type, "utmi_wide")) - return FSL_USB2_PHY_UTMI_WIDE; - if (!strcasecmp(phy_type, "serial")) - return FSL_USB2_PHY_SERIAL; - - return FSL_USB2_PHY_NONE; -} +#if defined(CONFIG_FSL_SOC_BOOKE) || defined(CONFIG_PPC_86xx) +static __be32 __iomem *rstcr; -static int __init fsl_usb_of_init(void) +static int __init setup_rstcr(void) { struct device_node *np; - unsigned int i = 0; - struct platform_device *usb_dev_mph = NULL, *usb_dev_dr_host = NULL, - *usb_dev_dr_client = NULL; - int ret; - - for_each_compatible_node(np, NULL, "fsl-usb2-mph") { - struct resource r[2]; - struct fsl_usb2_platform_data usb_data; - const unsigned char *prop = NULL; - - memset(&r, 0, sizeof(r)); - memset(&usb_data, 0, sizeof(usb_data)); - - ret = of_address_to_resource(np, 0, &r[0]); - if (ret) - goto err; - - of_irq_to_resource(np, 0, &r[1]); - - usb_dev_mph = - platform_device_register_simple("fsl-ehci", i, r, 2); - if (IS_ERR(usb_dev_mph)) { - ret = PTR_ERR(usb_dev_mph); - goto err; - } - - usb_dev_mph->dev.coherent_dma_mask = 0xffffffffUL; - usb_dev_mph->dev.dma_mask = &usb_dev_mph->dev.coherent_dma_mask; - - usb_data.operating_mode = FSL_USB2_MPH_HOST; - - prop = of_get_property(np, "port0", NULL); - if (prop) - usb_data.port_enables |= FSL_USB2_PORT0_ENABLED; - - prop = of_get_property(np, "port1", NULL); - if (prop) - usb_data.port_enables |= FSL_USB2_PORT1_ENABLED; - - prop = of_get_property(np, "phy_type", NULL); - usb_data.phy_mode = determine_usb_phy(prop); - - ret = - platform_device_add_data(usb_dev_mph, &usb_data, - sizeof(struct - fsl_usb2_platform_data)); - if (ret) - goto unreg_mph; - i++; - } - - for_each_compatible_node(np, NULL, "fsl-usb2-dr") { - struct resource r[2]; - struct fsl_usb2_platform_data usb_data; - const unsigned char *prop = NULL; - if (!of_device_is_available(np)) - continue; - - memset(&r, 0, sizeof(r)); - memset(&usb_data, 0, sizeof(usb_data)); - - ret = of_address_to_resource(np, 0, &r[0]); - if (ret) - goto unreg_mph; - - of_irq_to_resource(np, 0, &r[1]); - - prop = of_get_property(np, "dr_mode", NULL); - - if (!prop || !strcmp(prop, "host")) { - usb_data.operating_mode = FSL_USB2_DR_HOST; - usb_dev_dr_host = platform_device_register_simple( - "fsl-ehci", i, r, 2); - if (IS_ERR(usb_dev_dr_host)) { - ret = PTR_ERR(usb_dev_dr_host); - goto err; - } - } else if (prop && !strcmp(prop, "peripheral")) { - usb_data.operating_mode = FSL_USB2_DR_DEVICE; - usb_dev_dr_client = platform_device_register_simple( - "fsl-usb2-udc", i, r, 2); - if (IS_ERR(usb_dev_dr_client)) { - ret = PTR_ERR(usb_dev_dr_client); - goto err; - } - } else if (prop && !strcmp(prop, "otg")) { - usb_data.operating_mode = FSL_USB2_DR_OTG; - usb_dev_dr_host = platform_device_register_simple( - "fsl-ehci", i, r, 2); - if (IS_ERR(usb_dev_dr_host)) { - ret = PTR_ERR(usb_dev_dr_host); - goto err; - } - usb_dev_dr_client = platform_device_register_simple( - "fsl-usb2-udc", i, r, 2); - if (IS_ERR(usb_dev_dr_client)) { - ret = PTR_ERR(usb_dev_dr_client); - goto err; - } - } else { - ret = -EINVAL; - goto err; + for_each_node_by_name(np, "global-utilities") { + if ((of_get_property(np, "fsl,has-rstcr", NULL))) { + rstcr = of_iomap(np, 0) + 0xb0; + if (!rstcr) + printk (KERN_ERR "Error: reset control " + "register not mapped!\n"); + break; } - - prop = of_get_property(np, "phy_type", NULL); - usb_data.phy_mode = determine_usb_phy(prop); - - if (usb_dev_dr_host) { - usb_dev_dr_host->dev.coherent_dma_mask = 0xffffffffUL; - usb_dev_dr_host->dev.dma_mask = &usb_dev_dr_host-> - dev.coherent_dma_mask; - if ((ret = platform_device_add_data(usb_dev_dr_host, - &usb_data, sizeof(struct - fsl_usb2_platform_data)))) - goto unreg_dr; - } - if (usb_dev_dr_client) { - usb_dev_dr_client->dev.coherent_dma_mask = 0xffffffffUL; - usb_dev_dr_client->dev.dma_mask = &usb_dev_dr_client-> - dev.coherent_dma_mask; - if ((ret = platform_device_add_data(usb_dev_dr_client, - &usb_data, sizeof(struct - fsl_usb2_platform_data)))) - goto unreg_dr; - } - i++; } - return 0; - -unreg_dr: - if (usb_dev_dr_host) - platform_device_unregister(usb_dev_dr_host); - if (usb_dev_dr_client) - platform_device_unregister(usb_dev_dr_client); -unreg_mph: - if (usb_dev_mph) - platform_device_unregister(usb_dev_mph); -err: - return ret; -} - -arch_initcall(fsl_usb_of_init); - -#if defined(CONFIG_FSL_SOC_BOOKE) || defined(CONFIG_PPC_86xx) -static __be32 __iomem *rstcr; -static int __init setup_rstcr(void) -{ - struct device_node *np; - np = of_find_node_by_name(NULL, "global-utilities"); - if ((np && of_get_property(np, "fsl,has-rstcr", NULL))) { - rstcr = of_iomap(np, 0) + 0xb0; - if (!rstcr) - printk (KERN_EMERG "Error: reset control register " - "not mapped!\n"); - } else if (ppc_md.restart == fsl_rstcr_restart) + if (!rstcr && ppc_md.restart == fsl_rstcr_restart) printk(KERN_ERR "No RSTCR register, warm reboot won't work\n"); if (np) of_node_put(np); + return 0; } diff --git a/arch/powerpc/sysdev/mpc8xxx_gpio.c b/arch/powerpc/sysdev/mpc8xxx_gpio.c index 2b69084..c0ea05e 100644 --- a/arch/powerpc/sysdev/mpc8xxx_gpio.c +++ b/arch/powerpc/sysdev/mpc8xxx_gpio.c @@ -330,6 +330,9 @@ static int __init mpc8xxx_add_gpiochips(void) for_each_compatible_node(np, NULL, "fsl,mpc8610-gpio") mpc8xxx_add_controller(np); + for_each_compatible_node(np, NULL, "fsl,qoriq-gpio") + mpc8xxx_add_controller(np); + return 0; } arch_initcall(mpc8xxx_add_gpiochips); diff --git a/arch/powerpc/sysdev/mpic_pasemi_msi.c b/arch/powerpc/sysdev/mpic_pasemi_msi.c index 3b6a9a4..320ad5a 100644 --- a/arch/powerpc/sysdev/mpic_pasemi_msi.c +++ b/arch/powerpc/sysdev/mpic_pasemi_msi.c @@ -39,24 +39,24 @@ static struct mpic *msi_mpic; -static void mpic_pasemi_msi_mask_irq(unsigned int irq) +static void mpic_pasemi_msi_mask_irq(struct irq_data *data) { - pr_debug("mpic_pasemi_msi_mask_irq %d\n", irq); - mask_msi_irq(irq); - mpic_mask_irq(irq); + pr_debug("mpic_pasemi_msi_mask_irq %d\n", data->irq); + mask_msi_irq(data); + mpic_mask_irq(data->irq); } -static void mpic_pasemi_msi_unmask_irq(unsigned int irq) +static void mpic_pasemi_msi_unmask_irq(struct irq_data *data) { - pr_debug("mpic_pasemi_msi_unmask_irq %d\n", irq); - mpic_unmask_irq(irq); - unmask_msi_irq(irq); + pr_debug("mpic_pasemi_msi_unmask_irq %d\n", data->irq); + mpic_unmask_irq(data->irq); + unmask_msi_irq(data); } static struct irq_chip mpic_pasemi_msi_chip = { - .shutdown = mpic_pasemi_msi_mask_irq, - .mask = mpic_pasemi_msi_mask_irq, - .unmask = mpic_pasemi_msi_unmask_irq, + .irq_shutdown = mpic_pasemi_msi_mask_irq, + .irq_mask = mpic_pasemi_msi_mask_irq, + .irq_unmask = mpic_pasemi_msi_unmask_irq, .eoi = mpic_end_irq, .set_type = mpic_set_irq_type, .set_affinity = mpic_set_affinity, diff --git a/arch/powerpc/sysdev/mpic_u3msi.c b/arch/powerpc/sysdev/mpic_u3msi.c index bcbfe79..a2b028b 100644 --- a/arch/powerpc/sysdev/mpic_u3msi.c +++ b/arch/powerpc/sysdev/mpic_u3msi.c @@ -23,22 +23,22 @@ /* A bit ugly, can we get this from the pci_dev somehow? */ static struct mpic *msi_mpic; -static void mpic_u3msi_mask_irq(unsigned int irq) +static void mpic_u3msi_mask_irq(struct irq_data *data) { - mask_msi_irq(irq); - mpic_mask_irq(irq); + mask_msi_irq(data); + mpic_mask_irq(data->irq); } -static void mpic_u3msi_unmask_irq(unsigned int irq) +static void mpic_u3msi_unmask_irq(struct irq_data *data) { - mpic_unmask_irq(irq); - unmask_msi_irq(irq); + mpic_unmask_irq(data->irq); + unmask_msi_irq(data); } static struct irq_chip mpic_u3msi_chip = { - .shutdown = mpic_u3msi_mask_irq, - .mask = mpic_u3msi_mask_irq, - .unmask = mpic_u3msi_unmask_irq, + .irq_shutdown = mpic_u3msi_mask_irq, + .irq_mask = mpic_u3msi_mask_irq, + .irq_unmask = mpic_u3msi_unmask_irq, .eoi = mpic_end_irq, .set_type = mpic_set_irq_type, .set_affinity = mpic_set_affinity, diff --git a/arch/powerpc/sysdev/pmi.c b/arch/powerpc/sysdev/pmi.c index 24a0bb9..4260f36 100644 --- a/arch/powerpc/sysdev/pmi.c +++ b/arch/powerpc/sysdev/pmi.c @@ -114,7 +114,7 @@ static void pmi_notify_handlers(struct work_struct *work) spin_lock(&data->handler_spinlock); list_for_each_entry(handler, &data->handler, node) { - pr_debug(KERN_INFO "pmi: notifying handler %p\n", handler); + pr_debug("pmi: notifying handler %p\n", handler); if (handler->type == data->msg.type) handler->handle_pmi_message(data->msg); } |