diff options
Diffstat (limited to 'arch/powerpc/platforms')
93 files changed, 869 insertions, 489 deletions
diff --git a/arch/powerpc/platforms/40x/ep405.c b/arch/powerpc/platforms/40x/ep405.c index b0389bbe4f94..ddc12a1926ef 100644 --- a/arch/powerpc/platforms/40x/ep405.c +++ b/arch/powerpc/platforms/40x/ep405.c @@ -49,7 +49,7 @@ static void __iomem *bcsr_regs; /* there's more, can't be bothered typing them tho */ -static __initdata struct of_device_id ep405_of_bus[] = { +static const struct of_device_id ep405_of_bus[] __initconst = { { .compatible = "ibm,plb3", }, { .compatible = "ibm,opb", }, { .compatible = "ibm,ebc", }, diff --git a/arch/powerpc/platforms/40x/ppc40x_simple.c b/arch/powerpc/platforms/40x/ppc40x_simple.c index 8f3920e5a046..b0c46375dd95 100644 --- a/arch/powerpc/platforms/40x/ppc40x_simple.c +++ b/arch/powerpc/platforms/40x/ppc40x_simple.c @@ -24,7 +24,7 @@ #include <linux/init.h> #include <linux/of_platform.h> -static __initdata struct of_device_id ppc40x_of_bus[] = { +static const struct of_device_id ppc40x_of_bus[] __initconst = { { .compatible = "ibm,plb3", }, { .compatible = "ibm,plb4", }, { .compatible = "ibm,opb", }, diff --git a/arch/powerpc/platforms/40x/virtex.c b/arch/powerpc/platforms/40x/virtex.c index d0fc6866b00c..9aa7ae2f4164 100644 --- a/arch/powerpc/platforms/40x/virtex.c +++ b/arch/powerpc/platforms/40x/virtex.c @@ -17,7 +17,7 @@ #include <asm/xilinx_pci.h> #include <asm/ppc4xx.h> -static struct of_device_id xilinx_of_bus_ids[] __initdata = { +static const struct of_device_id xilinx_of_bus_ids[] __initconst = { { .compatible = "xlnx,plb-v46-1.00.a", }, { .compatible = "xlnx,plb-v34-1.01.a", }, { .compatible = "xlnx,plb-v34-1.02.a", }, diff --git a/arch/powerpc/platforms/40x/walnut.c b/arch/powerpc/platforms/40x/walnut.c index 8b691df72f74..f7ac2d0fcb44 100644 --- a/arch/powerpc/platforms/40x/walnut.c +++ b/arch/powerpc/platforms/40x/walnut.c @@ -28,7 +28,7 @@ #include <asm/pci-bridge.h> #include <asm/ppc4xx.h> -static __initdata struct of_device_id walnut_of_bus[] = { +static const struct of_device_id walnut_of_bus[] __initconst = { { .compatible = "ibm,plb3", }, { .compatible = "ibm,opb", }, { .compatible = "ibm,ebc", }, diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig index 4d88f6a19058..82f2da28cd27 100644 --- a/arch/powerpc/platforms/44x/Kconfig +++ b/arch/powerpc/platforms/44x/Kconfig @@ -215,9 +215,9 @@ config AKEBONO select NET_VENDOR_IBM select IBM_EMAC_EMAC4 select IBM_EMAC_RGMII_WOL - select USB - select USB_OHCI_HCD_PLATFORM - select USB_EHCI_HCD_PLATFORM + select USB if USB_SUPPORT + select USB_OHCI_HCD_PLATFORM if USB_OHCI_HCD + select USB_EHCI_HCD_PLATFORM if USB_EHCI_HCD select MMC_SDHCI select MMC_SDHCI_PLTFM select MMC_SDHCI_OF_476GTR diff --git a/arch/powerpc/platforms/44x/canyonlands.c b/arch/powerpc/platforms/44x/canyonlands.c index e300dd4c89bf..22ca5430c9cb 100644 --- a/arch/powerpc/platforms/44x/canyonlands.c +++ b/arch/powerpc/platforms/44x/canyonlands.c @@ -33,7 +33,7 @@ #define BCSR_USB_EN 0x11 -static __initdata struct of_device_id ppc460ex_of_bus[] = { +static const struct of_device_id ppc460ex_of_bus[] __initconst = { { .compatible = "ibm,plb4", }, { .compatible = "ibm,opb", }, { .compatible = "ibm,ebc", }, diff --git a/arch/powerpc/platforms/44x/ebony.c b/arch/powerpc/platforms/44x/ebony.c index 6a4232bbdf88..ae893226392d 100644 --- a/arch/powerpc/platforms/44x/ebony.c +++ b/arch/powerpc/platforms/44x/ebony.c @@ -28,7 +28,7 @@ #include <asm/pci-bridge.h> #include <asm/ppc4xx.h> -static __initdata struct of_device_id ebony_of_bus[] = { +static const struct of_device_id ebony_of_bus[] __initconst = { { .compatible = "ibm,plb4", }, { .compatible = "ibm,opb", }, { .compatible = "ibm,ebc", }, diff --git a/arch/powerpc/platforms/44x/iss4xx.c b/arch/powerpc/platforms/44x/iss4xx.c index 4241bc825800..c7c6758b3cfe 100644 --- a/arch/powerpc/platforms/44x/iss4xx.c +++ b/arch/powerpc/platforms/44x/iss4xx.c @@ -32,7 +32,7 @@ #include <asm/mpic.h> #include <asm/mmu.h> -static __initdata struct of_device_id iss4xx_of_bus[] = { +static const struct of_device_id iss4xx_of_bus[] __initconst = { { .compatible = "ibm,plb4", }, { .compatible = "ibm,plb6", }, { .compatible = "ibm,opb", }, diff --git a/arch/powerpc/platforms/44x/ppc44x_simple.c b/arch/powerpc/platforms/44x/ppc44x_simple.c index 3ffb915446e3..573c3d2689c6 100644 --- a/arch/powerpc/platforms/44x/ppc44x_simple.c +++ b/arch/powerpc/platforms/44x/ppc44x_simple.c @@ -24,7 +24,7 @@ #include <linux/init.h> #include <linux/of_platform.h> -static __initdata struct of_device_id ppc44x_of_bus[] = { +static const struct of_device_id ppc44x_of_bus[] __initconst = { { .compatible = "ibm,plb4", }, { .compatible = "ibm,opb", }, { .compatible = "ibm,ebc", }, diff --git a/arch/powerpc/platforms/44x/ppc476.c b/arch/powerpc/platforms/44x/ppc476.c index 33986c1a05da..58db9d083969 100644 --- a/arch/powerpc/platforms/44x/ppc476.c +++ b/arch/powerpc/platforms/44x/ppc476.c @@ -38,7 +38,7 @@ #include <linux/pci.h> #include <linux/i2c.h> -static struct of_device_id ppc47x_of_bus[] __initdata = { +static const struct of_device_id ppc47x_of_bus[] __initconst = { { .compatible = "ibm,plb4", }, { .compatible = "ibm,plb6", }, { .compatible = "ibm,opb", }, diff --git a/arch/powerpc/platforms/44x/sam440ep.c b/arch/powerpc/platforms/44x/sam440ep.c index 9e09b835758b..3ee4a03c1496 100644 --- a/arch/powerpc/platforms/44x/sam440ep.c +++ b/arch/powerpc/platforms/44x/sam440ep.c @@ -29,7 +29,7 @@ #include <asm/ppc4xx.h> #include <linux/i2c.h> -static __initdata struct of_device_id sam440ep_of_bus[] = { +static const struct of_device_id sam440ep_of_bus[] __initconst = { { .compatible = "ibm,plb4", }, { .compatible = "ibm,opb", }, { .compatible = "ibm,ebc", }, diff --git a/arch/powerpc/platforms/44x/virtex.c b/arch/powerpc/platforms/44x/virtex.c index cf96ccaa760c..ad272c17c640 100644 --- a/arch/powerpc/platforms/44x/virtex.c +++ b/arch/powerpc/platforms/44x/virtex.c @@ -21,7 +21,7 @@ #include <asm/ppc4xx.h> #include "44x.h" -static struct of_device_id xilinx_of_bus_ids[] __initdata = { +static const struct of_device_id xilinx_of_bus_ids[] __initconst = { { .compatible = "simple-bus", }, { .compatible = "xlnx,plb-v46-1.00.a", }, { .compatible = "xlnx,plb-v46-1.02.a", }, diff --git a/arch/powerpc/platforms/44x/warp.c b/arch/powerpc/platforms/44x/warp.c index 3a104284b338..501333cf42cf 100644 --- a/arch/powerpc/platforms/44x/warp.c +++ b/arch/powerpc/platforms/44x/warp.c @@ -28,7 +28,7 @@ #include <asm/dma.h> -static __initdata struct of_device_id warp_of_bus[] = { +static const struct of_device_id warp_of_bus[] __initconst = { { .compatible = "ibm,plb4", }, { .compatible = "ibm,opb", }, { .compatible = "ibm,ebc", }, diff --git a/arch/powerpc/platforms/512x/mpc512x_shared.c b/arch/powerpc/platforms/512x/mpc512x_shared.c index adb95f03d4d4..e996e007bc44 100644 --- a/arch/powerpc/platforms/512x/mpc512x_shared.c +++ b/arch/powerpc/platforms/512x/mpc512x_shared.c @@ -337,7 +337,7 @@ void __init mpc512x_init_IRQ(void) /* * Nodes to do bus probe on, soc and localbus */ -static struct of_device_id __initdata of_bus_ids[] = { +static const struct of_device_id of_bus_ids[] __initconst = { { .compatible = "fsl,mpc5121-immr", }, { .compatible = "fsl,mpc5121-localbus", }, { .compatible = "fsl,mpc5121-mbx", }, diff --git a/arch/powerpc/platforms/52xx/lite5200.c b/arch/powerpc/platforms/52xx/lite5200.c index 1843bc932011..7492de3cf6d0 100644 --- a/arch/powerpc/platforms/52xx/lite5200.c +++ b/arch/powerpc/platforms/52xx/lite5200.c @@ -34,13 +34,13 @@ */ /* mpc5200 device tree match tables */ -static struct of_device_id mpc5200_cdm_ids[] __initdata = { +static const struct of_device_id mpc5200_cdm_ids[] __initconst = { { .compatible = "fsl,mpc5200-cdm", }, { .compatible = "mpc5200-cdm", }, {} }; -static struct of_device_id mpc5200_gpio_ids[] __initdata = { +static const struct of_device_id mpc5200_gpio_ids[] __initconst = { { .compatible = "fsl,mpc5200-gpio", }, { .compatible = "mpc5200-gpio", }, {} diff --git a/arch/powerpc/platforms/52xx/media5200.c b/arch/powerpc/platforms/52xx/media5200.c index 070d315dd6cd..32cae33c4266 100644 --- a/arch/powerpc/platforms/52xx/media5200.c +++ b/arch/powerpc/platforms/52xx/media5200.c @@ -30,7 +30,7 @@ #include <asm/machdep.h> #include <asm/mpc52xx.h> -static struct of_device_id mpc5200_gpio_ids[] __initdata = { +static const struct of_device_id mpc5200_gpio_ids[] __initconst = { { .compatible = "fsl,mpc5200-gpio", }, { .compatible = "mpc5200-gpio", }, {} diff --git a/arch/powerpc/platforms/52xx/mpc52xx_common.c b/arch/powerpc/platforms/52xx/mpc52xx_common.c index d7e94f49532a..26993826a797 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_common.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_common.c @@ -23,12 +23,12 @@ #include <asm/mpc52xx.h> /* MPC5200 device tree match tables */ -static struct of_device_id mpc52xx_xlb_ids[] __initdata = { +static const struct of_device_id mpc52xx_xlb_ids[] __initconst = { { .compatible = "fsl,mpc5200-xlb", }, { .compatible = "mpc5200-xlb", }, {} }; -static struct of_device_id mpc52xx_bus_ids[] __initdata = { +static const struct of_device_id mpc52xx_bus_ids[] __initconst = { { .compatible = "fsl,mpc5200-immr", }, { .compatible = "fsl,mpc5200b-immr", }, { .compatible = "simple-bus", }, @@ -108,21 +108,21 @@ void __init mpc52xx_declare_of_platform_devices(void) /* * match tables used by mpc52xx_map_common_devices() */ -static struct of_device_id mpc52xx_gpt_ids[] __initdata = { +static const struct of_device_id mpc52xx_gpt_ids[] __initconst = { { .compatible = "fsl,mpc5200-gpt", }, { .compatible = "mpc5200-gpt", }, /* old */ {} }; -static struct of_device_id mpc52xx_cdm_ids[] __initdata = { +static const struct of_device_id mpc52xx_cdm_ids[] __initconst = { { .compatible = "fsl,mpc5200-cdm", }, { .compatible = "mpc5200-cdm", }, /* old */ {} }; -static const struct of_device_id mpc52xx_gpio_simple[] = { +static const struct of_device_id mpc52xx_gpio_simple[] __initconst = { { .compatible = "fsl,mpc5200-gpio", }, {} }; -static const struct of_device_id mpc52xx_gpio_wkup[] = { +static const struct of_device_id mpc52xx_gpio_wkup[] __initconst = { { .compatible = "fsl,mpc5200-gpio-wkup", }, {} }; diff --git a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c index 37f7a89c10f2..f8f0081759fb 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c @@ -564,7 +564,7 @@ static int mpc52xx_lpbfifo_remove(struct platform_device *op) return 0; } -static struct of_device_id mpc52xx_lpbfifo_match[] = { +static const struct of_device_id mpc52xx_lpbfifo_match[] = { { .compatible = "fsl,mpc5200-lpbfifo", }, {}, }; diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c index 2898b737deb7..2944bc84b9d6 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c @@ -119,12 +119,12 @@ /* MPC5200 device tree match tables */ -static struct of_device_id mpc52xx_pic_ids[] __initdata = { +static const struct of_device_id mpc52xx_pic_ids[] __initconst = { { .compatible = "fsl,mpc5200-pic", }, { .compatible = "mpc5200-pic", }, {} }; -static struct of_device_id mpc52xx_sdma_ids[] __initdata = { +static const struct of_device_id mpc52xx_sdma_ids[] __initconst = { { .compatible = "fsl,mpc5200-bestcomm", }, { .compatible = "mpc5200-bestcomm", }, {} diff --git a/arch/powerpc/platforms/82xx/ep8248e.c b/arch/powerpc/platforms/82xx/ep8248e.c index 79799b29ffe2..3d0c3a01143d 100644 --- a/arch/powerpc/platforms/82xx/ep8248e.c +++ b/arch/powerpc/platforms/82xx/ep8248e.c @@ -298,7 +298,7 @@ static void __init ep8248e_setup_arch(void) ppc_md.progress("ep8248e_setup_arch(), finish", 0); } -static __initdata struct of_device_id of_bus_ids[] = { +static const struct of_device_id of_bus_ids[] __initconst = { { .compatible = "simple-bus", }, { .compatible = "fsl,ep8248e-bcsr", }, {}, diff --git a/arch/powerpc/platforms/82xx/km82xx.c b/arch/powerpc/platforms/82xx/km82xx.c index 058cc1895c88..387b446f4161 100644 --- a/arch/powerpc/platforms/82xx/km82xx.c +++ b/arch/powerpc/platforms/82xx/km82xx.c @@ -180,7 +180,7 @@ static void __init km82xx_setup_arch(void) ppc_md.progress("km82xx_setup_arch(), finish", 0); } -static __initdata struct of_device_id of_bus_ids[] = { +static const struct of_device_id of_bus_ids[] __initconst = { { .compatible = "simple-bus", }, {}, }; diff --git a/arch/powerpc/platforms/82xx/mpc8272_ads.c b/arch/powerpc/platforms/82xx/mpc8272_ads.c index 6a14cf50f4a2..d24deacf07d0 100644 --- a/arch/powerpc/platforms/82xx/mpc8272_ads.c +++ b/arch/powerpc/platforms/82xx/mpc8272_ads.c @@ -181,7 +181,7 @@ static void __init mpc8272_ads_setup_arch(void) ppc_md.progress("mpc8272_ads_setup_arch(), finish", 0); } -static struct of_device_id __initdata of_bus_ids[] = { +static const struct of_device_id of_bus_ids[] __initconst = { { .name = "soc", }, { .name = "cpm", }, { .name = "localbus", }, diff --git a/arch/powerpc/platforms/82xx/pq2fads.c b/arch/powerpc/platforms/82xx/pq2fads.c index e5f82ec8df17..3a5164ad10ad 100644 --- a/arch/powerpc/platforms/82xx/pq2fads.c +++ b/arch/powerpc/platforms/82xx/pq2fads.c @@ -168,7 +168,7 @@ static int __init pq2fads_probe(void) return of_flat_dt_is_compatible(root, "fsl,pq2fads"); } -static struct of_device_id __initdata of_bus_ids[] = { +static const struct of_device_id of_bus_ids[] __initconst = { { .name = "soc", }, { .name = "cpm", }, { .name = "localbus", }, diff --git a/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c b/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c index e238b6a55b15..463fa91ee5b6 100644 --- a/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c +++ b/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c @@ -141,7 +141,8 @@ static int mcu_gpiochip_add(struct mcu *mcu) static int mcu_gpiochip_remove(struct mcu *mcu) { - return gpiochip_remove(&mcu->gc); + gpiochip_remove(&mcu->gc); + return 0; } static int mcu_probe(struct i2c_client *client, const struct i2c_device_id *id) @@ -213,7 +214,7 @@ static const struct i2c_device_id mcu_ids[] = { }; MODULE_DEVICE_TABLE(i2c, mcu_ids); -static struct of_device_id mcu_of_match_table[] = { +static const struct of_device_id mcu_of_match_table[] = { { .compatible = "fsl,mcu-mpc8349emitx", }, { }, }; diff --git a/arch/powerpc/platforms/83xx/misc.c b/arch/powerpc/platforms/83xx/misc.c index 125336f750c6..ef9d01a049c1 100644 --- a/arch/powerpc/platforms/83xx/misc.c +++ b/arch/powerpc/platforms/83xx/misc.c @@ -114,7 +114,7 @@ void __init mpc83xx_ipic_and_qe_init_IRQ(void) } #endif /* CONFIG_QUICC_ENGINE */ -static struct of_device_id __initdata of_bus_ids[] = { +static const struct of_device_id of_bus_ids[] __initconst = { { .type = "soc", }, { .compatible = "soc", }, { .compatible = "simple-bus" }, diff --git a/arch/powerpc/platforms/83xx/mpc834x_itx.c b/arch/powerpc/platforms/83xx/mpc834x_itx.c index a494fa57bdf9..80aea8c4b5a3 100644 --- a/arch/powerpc/platforms/83xx/mpc834x_itx.c +++ b/arch/powerpc/platforms/83xx/mpc834x_itx.c @@ -38,7 +38,7 @@ #include "mpc83xx.h" -static struct of_device_id __initdata mpc834x_itx_ids[] = { +static const struct of_device_id mpc834x_itx_ids[] __initconst = { { .compatible = "fsl,pq2pro-localbus", }, {}, }; diff --git a/arch/powerpc/platforms/83xx/suspend.c b/arch/powerpc/platforms/83xx/suspend.c index 4b4c081df94d..eeb80e25214d 100644 --- a/arch/powerpc/platforms/83xx/suspend.c +++ b/arch/powerpc/platforms/83xx/suspend.c @@ -321,7 +321,7 @@ static const struct platform_suspend_ops mpc83xx_suspend_ops = { .end = mpc83xx_suspend_end, }; -static struct of_device_id pmc_match[]; +static const struct of_device_id pmc_match[]; static int pmc_probe(struct platform_device *ofdev) { const struct of_device_id *match; @@ -420,7 +420,7 @@ static struct pmc_type pmc_types[] = { } }; -static struct of_device_id pmc_match[] = { +static const struct of_device_id pmc_match[] = { { .compatible = "fsl,mpc8313-pmc", .data = &pmc_types[0], diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig index 0c1e6903597e..f22635a71d01 100644 --- a/arch/powerpc/platforms/85xx/Kconfig +++ b/arch/powerpc/platforms/85xx/Kconfig @@ -276,7 +276,7 @@ config CORENET_GENERIC For 64bit kernel, the following boards are supported: T208x QDS/RDB, T4240 QDS/RDB and B4 QDS The following boards are supported for both 32bit and 64bit kernel: - P5020 DS, P5040 DS and T104xQDS + P5020 DS, P5040 DS and T104xQDS/RDB endif # FSL_SOC_BOOKE diff --git a/arch/powerpc/platforms/85xx/common.c b/arch/powerpc/platforms/85xx/common.c index b564b5e23f7c..4a9ad871a168 100644 --- a/arch/powerpc/platforms/85xx/common.c +++ b/arch/powerpc/platforms/85xx/common.c @@ -14,7 +14,7 @@ #include "mpc85xx.h" -static struct of_device_id __initdata mpc85xx_common_ids[] = { +static const struct of_device_id mpc85xx_common_ids[] __initconst = { { .type = "soc", }, { .compatible = "soc", }, { .compatible = "simple-bus", }, diff --git a/arch/powerpc/platforms/85xx/corenet_generic.c b/arch/powerpc/platforms/85xx/corenet_generic.c index d22dd85e50bf..e56b89a792ed 100644 --- a/arch/powerpc/platforms/85xx/corenet_generic.c +++ b/arch/powerpc/platforms/85xx/corenet_generic.c @@ -20,6 +20,7 @@ #include <asm/time.h> #include <asm/machdep.h> #include <asm/pci-bridge.h> +#include <asm/pgtable.h> #include <asm/ppc-pci.h> #include <mm/mmu_decl.h> #include <asm/prom.h> @@ -67,6 +68,16 @@ void __init corenet_gen_setup_arch(void) swiotlb_detect_4g(); +#if defined(CONFIG_FSL_PCI) && defined(CONFIG_ZONE_DMA32) + /* + * Inbound windows don't cover the full lower 4 GiB + * due to conflicts with PCICSRBAR and outbound windows, + * so limit the DMA32 zone to 2 GiB, to allow consistent + * allocations to succeed. + */ + limit_zone_pfn(ZONE_DMA32, 1UL << (31 - PAGE_SHIFT)); +#endif + pr_info("%s board\n", ppc_md.name); mpc85xx_qe_init(); @@ -129,6 +140,9 @@ static const char * const boards[] __initconst = { "fsl,B4220QDS", "fsl,T1040QDS", "fsl,T1042QDS", + "fsl,T1040RDB", + "fsl,T1042RDB", + "fsl,T1042RDB_PI", "keymile,kmcoge4", NULL }; diff --git a/arch/powerpc/platforms/85xx/ppa8548.c b/arch/powerpc/platforms/85xx/ppa8548.c index 3daff7c63569..12019f17f297 100644 --- a/arch/powerpc/platforms/85xx/ppa8548.c +++ b/arch/powerpc/platforms/85xx/ppa8548.c @@ -59,7 +59,7 @@ static void ppa8548_show_cpuinfo(struct seq_file *m) seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f)); } -static struct of_device_id __initdata of_bus_ids[] = { +static const struct of_device_id of_bus_ids[] __initconst = { { .name = "soc", }, { .type = "soc", }, { .compatible = "simple-bus", }, diff --git a/arch/powerpc/platforms/85xx/qemu_e500.c b/arch/powerpc/platforms/85xx/qemu_e500.c index 7f2673293549..8ad2fe6f200a 100644 --- a/arch/powerpc/platforms/85xx/qemu_e500.c +++ b/arch/powerpc/platforms/85xx/qemu_e500.c @@ -18,6 +18,7 @@ #include <linux/kernel.h> #include <linux/of_fdt.h> #include <asm/machdep.h> +#include <asm/pgtable.h> #include <asm/time.h> #include <asm/udbg.h> #include <asm/mpic.h> @@ -44,6 +45,15 @@ static void __init qemu_e500_setup_arch(void) fsl_pci_assign_primary(); swiotlb_detect_4g(); +#if defined(CONFIG_FSL_PCI) && defined(CONFIG_ZONE_DMA32) + /* + * Inbound windows don't cover the full lower 4 GiB + * due to conflicts with PCICSRBAR and outbound windows, + * so limit the DMA32 zone to 2 GiB, to allow consistent + * allocations to succeed. + */ + limit_zone_pfn(ZONE_DMA32, 1UL << (31 - PAGE_SHIFT)); +#endif mpc85xx_smp_init(); } diff --git a/arch/powerpc/platforms/85xx/sgy_cts1000.c b/arch/powerpc/platforms/85xx/sgy_cts1000.c index bb75add67084..8162b0412117 100644 --- a/arch/powerpc/platforms/85xx/sgy_cts1000.c +++ b/arch/powerpc/platforms/85xx/sgy_cts1000.c @@ -24,7 +24,7 @@ static struct device_node *halt_node; -static struct of_device_id child_match[] = { +static const struct of_device_id child_match[] = { { .compatible = "sgy,gpio-halt", }, @@ -147,7 +147,7 @@ static int gpio_halt_remove(struct platform_device *pdev) return 0; } -static struct of_device_id gpio_halt_match[] = { +static const struct of_device_id gpio_halt_match[] = { /* We match on the gpio bus itself and scan the children since they * wont be matched against us. We know the bus wont match until it * has been registered too. */ diff --git a/arch/powerpc/platforms/86xx/gef_ppc9a.c b/arch/powerpc/platforms/86xx/gef_ppc9a.c index c23f3443880a..bf17933b20f3 100644 --- a/arch/powerpc/platforms/86xx/gef_ppc9a.c +++ b/arch/powerpc/platforms/86xx/gef_ppc9a.c @@ -213,7 +213,7 @@ static long __init mpc86xx_time_init(void) return 0; } -static __initdata struct of_device_id of_bus_ids[] = { +static const struct of_device_id of_bus_ids[] __initconst = { { .compatible = "simple-bus", }, { .compatible = "gianfar", }, { .compatible = "fsl,mpc8641-pcie", }, diff --git a/arch/powerpc/platforms/86xx/gef_sbc310.c b/arch/powerpc/platforms/86xx/gef_sbc310.c index 8a6ac20686ea..8facf5873866 100644 --- a/arch/powerpc/platforms/86xx/gef_sbc310.c +++ b/arch/powerpc/platforms/86xx/gef_sbc310.c @@ -200,7 +200,7 @@ static long __init mpc86xx_time_init(void) return 0; } -static __initdata struct of_device_id of_bus_ids[] = { +static const struct of_device_id of_bus_ids[] __initconst = { { .compatible = "simple-bus", }, { .compatible = "gianfar", }, { .compatible = "fsl,mpc8641-pcie", }, diff --git a/arch/powerpc/platforms/86xx/gef_sbc610.c b/arch/powerpc/platforms/86xx/gef_sbc610.c index 06c72636f299..8c9058df5642 100644 --- a/arch/powerpc/platforms/86xx/gef_sbc610.c +++ b/arch/powerpc/platforms/86xx/gef_sbc610.c @@ -190,7 +190,7 @@ static long __init mpc86xx_time_init(void) return 0; } -static __initdata struct of_device_id of_bus_ids[] = { +static const struct of_device_id of_bus_ids[] __initconst = { { .compatible = "simple-bus", }, { .compatible = "gianfar", }, { .compatible = "fsl,mpc8641-pcie", }, diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c index d479d68fbb2b..55413a547ea8 100644 --- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c +++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c @@ -85,7 +85,7 @@ static void __init mpc8610_suspend_init(void) static inline void mpc8610_suspend_init(void) { } #endif /* CONFIG_SUSPEND */ -static struct of_device_id __initdata mpc8610_ids[] = { +static const struct of_device_id mpc8610_ids[] __initconst = { { .compatible = "fsl,mpc8610-immr", }, { .compatible = "fsl,mpc8610-guts", }, { .compatible = "simple-bus", }, diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c index e8bf3fae5606..07ccb1b0cc7d 100644 --- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c +++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c @@ -127,7 +127,7 @@ mpc86xx_time_init(void) return 0; } -static __initdata struct of_device_id of_bus_ids[] = { +static const struct of_device_id of_bus_ids[] __initconst = { { .compatible = "simple-bus", }, { .compatible = "fsl,srio", }, { .compatible = "gianfar", }, diff --git a/arch/powerpc/platforms/86xx/sbc8641d.c b/arch/powerpc/platforms/86xx/sbc8641d.c index b47a8fd0f3d3..6810b71d54a7 100644 --- a/arch/powerpc/platforms/86xx/sbc8641d.c +++ b/arch/powerpc/platforms/86xx/sbc8641d.c @@ -92,7 +92,7 @@ mpc86xx_time_init(void) return 0; } -static __initdata struct of_device_id of_bus_ids[] = { +static const struct of_device_id of_bus_ids[] __initconst = { { .compatible = "simple-bus", }, { .compatible = "gianfar", }, { .compatible = "fsl,mpc8641-pcie", }, diff --git a/arch/powerpc/platforms/8xx/adder875.c b/arch/powerpc/platforms/8xx/adder875.c index 82363e98f50e..61cae4c1edb8 100644 --- a/arch/powerpc/platforms/8xx/adder875.c +++ b/arch/powerpc/platforms/8xx/adder875.c @@ -92,7 +92,7 @@ static int __init adder875_probe(void) return of_flat_dt_is_compatible(root, "analogue-and-micro,adder875"); } -static __initdata struct of_device_id of_bus_ids[] = { +static const struct of_device_id of_bus_ids[] __initconst = { { .compatible = "simple-bus", }, {}, }; diff --git a/arch/powerpc/platforms/8xx/ep88xc.c b/arch/powerpc/platforms/8xx/ep88xc.c index e62166681d08..2bedeb7d5f8f 100644 --- a/arch/powerpc/platforms/8xx/ep88xc.c +++ b/arch/powerpc/platforms/8xx/ep88xc.c @@ -147,7 +147,7 @@ static int __init ep88xc_probe(void) return of_flat_dt_is_compatible(root, "fsl,ep88xc"); } -static struct of_device_id __initdata of_bus_ids[] = { +static const struct of_device_id of_bus_ids[] __initconst = { { .name = "soc", }, { .name = "cpm", }, { .name = "localbus", }, diff --git a/arch/powerpc/platforms/8xx/mpc86xads_setup.c b/arch/powerpc/platforms/8xx/mpc86xads_setup.c index 63084640c5c5..78180c5e73ff 100644 --- a/arch/powerpc/platforms/8xx/mpc86xads_setup.c +++ b/arch/powerpc/platforms/8xx/mpc86xads_setup.c @@ -122,7 +122,7 @@ static int __init mpc86xads_probe(void) return of_flat_dt_is_compatible(root, "fsl,mpc866ads"); } -static struct of_device_id __initdata of_bus_ids[] = { +static const struct of_device_id of_bus_ids[] __initconst = { { .name = "soc", }, { .name = "cpm", }, { .name = "localbus", }, diff --git a/arch/powerpc/platforms/8xx/mpc885ads_setup.c b/arch/powerpc/platforms/8xx/mpc885ads_setup.c index 5921dcb498fd..4d62bf9dc789 100644 --- a/arch/powerpc/platforms/8xx/mpc885ads_setup.c +++ b/arch/powerpc/platforms/8xx/mpc885ads_setup.c @@ -197,7 +197,7 @@ static int __init mpc885ads_probe(void) return of_flat_dt_is_compatible(root, "fsl,mpc885ads"); } -static struct of_device_id __initdata of_bus_ids[] = { +static const struct of_device_id of_bus_ids[] __initconst = { { .name = "soc", }, { .name = "cpm", }, { .name = "localbus", }, diff --git a/arch/powerpc/platforms/8xx/tqm8xx_setup.c b/arch/powerpc/platforms/8xx/tqm8xx_setup.c index dda607807def..bee47a2b23e6 100644 --- a/arch/powerpc/platforms/8xx/tqm8xx_setup.c +++ b/arch/powerpc/platforms/8xx/tqm8xx_setup.c @@ -124,7 +124,7 @@ static int __init tqm8xx_probe(void) return of_flat_dt_is_compatible(node, "tqc,tqm8xx"); } -static struct of_device_id __initdata of_bus_ids[] = { +static const struct of_device_id of_bus_ids[] __initconst = { { .name = "soc", }, { .name = "cpm", }, { .name = "localbus", }, diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index e8bc40869cbd..76483e3acd60 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -116,6 +116,12 @@ config POWER6_CPU config POWER7_CPU bool "POWER7" depends on PPC_BOOK3S_64 + select ARCH_HAS_FAST_MULTIPLIER + +config POWER8_CPU + bool "POWER8" + depends on PPC_BOOK3S_64 + select ARCH_HAS_FAST_MULTIPLIER config E5500_CPU bool "Freescale e5500" @@ -303,9 +309,13 @@ config PPC_ICSWX_USE_SIGILL If in doubt, say N here. +config SPE_POSSIBLE + def_bool y + depends on E200 || (E500 && !PPC_E500MC) + config SPE bool "SPE Support" - depends on E200 || (E500 && !PPC_E500MC) + depends on SPE_POSSIBLE default y ---help--- This option enables kernel support for the Signal Processing diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig index 9978f594cac0..870b6dbd4d18 100644 --- a/arch/powerpc/platforms/cell/Kconfig +++ b/arch/powerpc/platforms/cell/Kconfig @@ -86,6 +86,7 @@ config SPU_FS_64K_LS config SPU_BASE bool default n + select PPC_COPRO_BASE config CBE_RAS bool "RAS features for bare metal Cell BE" diff --git a/arch/powerpc/platforms/cell/Makefile b/arch/powerpc/platforms/cell/Makefile index fe053e7c73ee..2d16884f67b9 100644 --- a/arch/powerpc/platforms/cell/Makefile +++ b/arch/powerpc/platforms/cell/Makefile @@ -20,7 +20,7 @@ spu-manage-$(CONFIG_PPC_CELL_COMMON) += spu_manage.o obj-$(CONFIG_SPU_BASE) += spu_callbacks.o spu_base.o \ spu_notify.o \ - spu_syscalls.o spu_fault.o \ + spu_syscalls.o \ $(spu-priv1-y) \ $(spu-manage-y) \ spufs/ diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c index 85825b5401e5..862b32702d29 100644 --- a/arch/powerpc/platforms/cell/axon_msi.c +++ b/arch/powerpc/platforms/cell/axon_msi.c @@ -199,14 +199,6 @@ out_error: return msic; } -static int axon_msi_check_device(struct pci_dev *dev, int nvec, int type) -{ - if (!find_msi_translator(dev)) - return -ENODEV; - - return 0; -} - static int setup_msi_msg_address(struct pci_dev *dev, struct msi_msg *msg) { struct device_node *dn; @@ -416,7 +408,6 @@ static int axon_msi_probe(struct platform_device *device) ppc_md.setup_msi_irqs = axon_msi_setup_msi_irqs; ppc_md.teardown_msi_irqs = axon_msi_teardown_msi_irqs; - ppc_md.msi_check_device = axon_msi_check_device; axon_msi_debug_setup(dn, msic); diff --git a/arch/powerpc/platforms/cell/celleb_pci.c b/arch/powerpc/platforms/cell/celleb_pci.c index 173568140a32..2b98a36ef8fb 100644 --- a/arch/powerpc/platforms/cell/celleb_pci.c +++ b/arch/powerpc/platforms/cell/celleb_pci.c @@ -454,7 +454,7 @@ static struct celleb_phb_spec celleb_fake_pci_spec __initdata = { .setup = celleb_setup_fake_pci, }; -static struct of_device_id celleb_phb_match[] __initdata = { +static const struct of_device_id celleb_phb_match[] __initconst = { { .name = "pci-pseudo", .data = &celleb_fake_pci_spec, diff --git a/arch/powerpc/platforms/cell/celleb_setup.c b/arch/powerpc/platforms/cell/celleb_setup.c index 1d5a4d8ddad9..34e8ce2976aa 100644 --- a/arch/powerpc/platforms/cell/celleb_setup.c +++ b/arch/powerpc/platforms/cell/celleb_setup.c @@ -102,7 +102,7 @@ static void __init celleb_setup_arch_common(void) #endif } -static struct of_device_id celleb_bus_ids[] __initdata = { +static const struct of_device_id celleb_bus_ids[] __initconst = { { .type = "scc", }, { .type = "ioif", }, /* old style */ {}, diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c index 2930d1e81a05..ffcbd242e669 100644 --- a/arch/powerpc/platforms/cell/spu_base.c +++ b/arch/powerpc/platforms/cell/spu_base.c @@ -76,10 +76,6 @@ static LIST_HEAD(spu_full_list); static DEFINE_SPINLOCK(spu_full_list_lock); static DEFINE_MUTEX(spu_full_list_mutex); -struct spu_slb { - u64 esid, vsid; -}; - void spu_invalidate_slbs(struct spu *spu) { struct spu_priv2 __iomem *priv2 = spu->priv2; @@ -149,7 +145,7 @@ static void spu_restart_dma(struct spu *spu) } } -static inline void spu_load_slb(struct spu *spu, int slbe, struct spu_slb *slb) +static inline void spu_load_slb(struct spu *spu, int slbe, struct copro_slb *slb) { struct spu_priv2 __iomem *priv2 = spu->priv2; @@ -167,45 +163,12 @@ static inline void spu_load_slb(struct spu *spu, int slbe, struct spu_slb *slb) static int __spu_trap_data_seg(struct spu *spu, unsigned long ea) { - struct mm_struct *mm = spu->mm; - struct spu_slb slb; - int psize; - - pr_debug("%s\n", __func__); - - slb.esid = (ea & ESID_MASK) | SLB_ESID_V; + struct copro_slb slb; + int ret; - switch(REGION_ID(ea)) { - case USER_REGION_ID: -#ifdef CONFIG_PPC_MM_SLICES - psize = get_slice_psize(mm, ea); -#else - psize = mm->context.user_psize; -#endif - slb.vsid = (get_vsid(mm->context.id, ea, MMU_SEGSIZE_256M) - << SLB_VSID_SHIFT) | SLB_VSID_USER; - break; - case VMALLOC_REGION_ID: - if (ea < VMALLOC_END) - psize = mmu_vmalloc_psize; - else - psize = mmu_io_psize; - slb.vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M) - << SLB_VSID_SHIFT) | SLB_VSID_KERNEL; - break; - case KERNEL_REGION_ID: - psize = mmu_linear_psize; - slb.vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M) - << SLB_VSID_SHIFT) | SLB_VSID_KERNEL; - break; - default: - /* Future: support kernel segments so that drivers - * can use SPUs. - */ - pr_debug("invalid region access at %016lx\n", ea); - return 1; - } - slb.vsid |= mmu_psize_defs[psize].sllp; + ret = copro_calculate_slb(spu->mm, ea, &slb); + if (ret) + return ret; spu_load_slb(spu, spu->slb_replace, &slb); @@ -253,7 +216,7 @@ static int __spu_trap_data_map(struct spu *spu, unsigned long ea, u64 dsisr) return 0; } -static void __spu_kernel_slb(void *addr, struct spu_slb *slb) +static void __spu_kernel_slb(void *addr, struct copro_slb *slb) { unsigned long ea = (unsigned long)addr; u64 llp; @@ -272,7 +235,7 @@ static void __spu_kernel_slb(void *addr, struct spu_slb *slb) * Given an array of @nr_slbs SLB entries, @slbs, return non-zero if the * address @new_addr is present. */ -static inline int __slb_present(struct spu_slb *slbs, int nr_slbs, +static inline int __slb_present(struct copro_slb *slbs, int nr_slbs, void *new_addr) { unsigned long ea = (unsigned long)new_addr; @@ -297,7 +260,7 @@ static inline int __slb_present(struct spu_slb *slbs, int nr_slbs, void spu_setup_kernel_slbs(struct spu *spu, struct spu_lscsa *lscsa, void *code, int code_size) { - struct spu_slb slbs[4]; + struct copro_slb slbs[4]; int i, nr_slbs = 0; /* start and end addresses of both mappings */ void *addrs[] = { diff --git a/arch/powerpc/platforms/cell/spu_fault.c b/arch/powerpc/platforms/cell/spu_fault.c deleted file mode 100644 index 641e7273d75a..000000000000 --- a/arch/powerpc/platforms/cell/spu_fault.c +++ /dev/null @@ -1,94 +0,0 @@ -/* - * SPU mm fault handler - * - * (C) Copyright IBM Deutschland Entwicklung GmbH 2007 - * - * Author: Arnd Bergmann <arndb@de.ibm.com> - * Author: Jeremy Kerr <jk@ozlabs.org> - * - * 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/sched.h> -#include <linux/mm.h> -#include <linux/export.h> - -#include <asm/spu.h> -#include <asm/spu_csa.h> - -/* - * This ought to be kept in sync with the powerpc specific do_page_fault - * function. Currently, there are a few corner cases that we haven't had - * to handle fortunately. - */ -int spu_handle_mm_fault(struct mm_struct *mm, unsigned long ea, - unsigned long dsisr, unsigned *flt) -{ - struct vm_area_struct *vma; - unsigned long is_write; - int ret; - - if (mm == NULL) - return -EFAULT; - - if (mm->pgd == NULL) - return -EFAULT; - - down_read(&mm->mmap_sem); - ret = -EFAULT; - vma = find_vma(mm, ea); - if (!vma) - goto out_unlock; - - if (ea < vma->vm_start) { - if (!(vma->vm_flags & VM_GROWSDOWN)) - goto out_unlock; - if (expand_stack(vma, ea)) - goto out_unlock; - } - - is_write = dsisr & MFC_DSISR_ACCESS_PUT; - if (is_write) { - if (!(vma->vm_flags & VM_WRITE)) - goto out_unlock; - } else { - if (dsisr & MFC_DSISR_ACCESS_DENIED) - goto out_unlock; - if (!(vma->vm_flags & (VM_READ | VM_EXEC))) - goto out_unlock; - } - - ret = 0; - *flt = handle_mm_fault(mm, vma, ea, is_write ? FAULT_FLAG_WRITE : 0); - if (unlikely(*flt & VM_FAULT_ERROR)) { - if (*flt & VM_FAULT_OOM) { - ret = -ENOMEM; - goto out_unlock; - } else if (*flt & VM_FAULT_SIGBUS) { - ret = -EFAULT; - goto out_unlock; - } - BUG(); - } - - if (*flt & VM_FAULT_MAJOR) - current->maj_flt++; - else - current->min_flt++; - -out_unlock: - up_read(&mm->mmap_sem); - return ret; -} -EXPORT_SYMBOL_GPL(spu_handle_mm_fault); diff --git a/arch/powerpc/platforms/cell/spufs/fault.c b/arch/powerpc/platforms/cell/spufs/fault.c index 8cb6260cc80f..e45894a08118 100644 --- a/arch/powerpc/platforms/cell/spufs/fault.c +++ b/arch/powerpc/platforms/cell/spufs/fault.c @@ -138,7 +138,7 @@ int spufs_handle_class1(struct spu_context *ctx) if (ctx->state == SPU_STATE_RUNNABLE) ctx->spu->stats.hash_flt++; - /* we must not hold the lock when entering spu_handle_mm_fault */ + /* we must not hold the lock when entering copro_handle_mm_fault */ spu_release(ctx); access = (_PAGE_PRESENT | _PAGE_USER); @@ -149,7 +149,7 @@ int spufs_handle_class1(struct spu_context *ctx) /* hashing failed, so try the actual fault handler */ if (ret) - ret = spu_handle_mm_fault(current->mm, ea, dsisr, &flt); + ret = copro_handle_mm_fault(current->mm, ea, dsisr, &flt); /* * This is nasty: we need the state_mutex for all the bookkeeping even diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c index 7044fd36197b..5b77b1919fd2 100644 --- a/arch/powerpc/platforms/chrp/setup.c +++ b/arch/powerpc/platforms/chrp/setup.c @@ -258,7 +258,7 @@ static void chrp_init_early(void) struct device_node *node; const char *property; - if (strstr(cmd_line, "console=")) + if (strstr(boot_command_line, "console=")) return; /* find the boot console from /chosen/stdout */ if (!of_chosen) diff --git a/arch/powerpc/platforms/embedded6xx/gamecube.c b/arch/powerpc/platforms/embedded6xx/gamecube.c index a138e14bad2e..bd4ba5d7d568 100644 --- a/arch/powerpc/platforms/embedded6xx/gamecube.c +++ b/arch/powerpc/platforms/embedded6xx/gamecube.c @@ -90,7 +90,7 @@ define_machine(gamecube) { }; -static struct of_device_id gamecube_of_bus[] = { +static const struct of_device_id gamecube_of_bus[] = { { .compatible = "nintendo,flipper", }, { }, }; diff --git a/arch/powerpc/platforms/embedded6xx/linkstation.c b/arch/powerpc/platforms/embedded6xx/linkstation.c index 455e7c087422..168e1d80b2e5 100644 --- a/arch/powerpc/platforms/embedded6xx/linkstation.c +++ b/arch/powerpc/platforms/embedded6xx/linkstation.c @@ -21,7 +21,7 @@ #include "mpc10x.h" -static __initdata struct of_device_id of_bus_ids[] = { +static const struct of_device_id of_bus_ids[] __initconst = { { .type = "soc", }, { .compatible = "simple-bus", }, {}, diff --git a/arch/powerpc/platforms/embedded6xx/mvme5100.c b/arch/powerpc/platforms/embedded6xx/mvme5100.c index 25e3bfb64efb..1613303177e6 100644 --- a/arch/powerpc/platforms/embedded6xx/mvme5100.c +++ b/arch/powerpc/platforms/embedded6xx/mvme5100.c @@ -149,7 +149,7 @@ static int __init mvme5100_add_bridge(struct device_node *dev) return 0; } -static struct of_device_id mvme5100_of_bus_ids[] __initdata = { +static const struct of_device_id mvme5100_of_bus_ids[] __initconst = { { .compatible = "hawk-bridge", }, {}, }; diff --git a/arch/powerpc/platforms/embedded6xx/storcenter.c b/arch/powerpc/platforms/embedded6xx/storcenter.c index c458b60d14c4..d572833ebd00 100644 --- a/arch/powerpc/platforms/embedded6xx/storcenter.c +++ b/arch/powerpc/platforms/embedded6xx/storcenter.c @@ -24,7 +24,7 @@ #include "mpc10x.h" -static __initdata struct of_device_id storcenter_of_bus[] = { +static const struct of_device_id storcenter_of_bus[] __initconst = { { .name = "soc", }, {}, }; diff --git a/arch/powerpc/platforms/embedded6xx/wii.c b/arch/powerpc/platforms/embedded6xx/wii.c index 6d8dadf19f0b..388e29bab8f6 100644 --- a/arch/powerpc/platforms/embedded6xx/wii.c +++ b/arch/powerpc/platforms/embedded6xx/wii.c @@ -235,7 +235,7 @@ define_machine(wii) { .machine_shutdown = wii_shutdown, }; -static struct of_device_id wii_of_bus[] = { +static const struct of_device_id wii_of_bus[] = { { .compatible = "nintendo,hollywood", }, { }, }; diff --git a/arch/powerpc/platforms/pasemi/gpio_mdio.c b/arch/powerpc/platforms/pasemi/gpio_mdio.c index 15adee544638..ada33358950d 100644 --- a/arch/powerpc/platforms/pasemi/gpio_mdio.c +++ b/arch/powerpc/platforms/pasemi/gpio_mdio.c @@ -290,7 +290,7 @@ static int gpio_mdio_remove(struct platform_device *dev) return 0; } -static struct of_device_id gpio_mdio_match[] = +static const struct of_device_id gpio_mdio_match[] = { { .compatible = "gpio-mdio", diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c index 8c54de6d8ec4..d71b2c7e8403 100644 --- a/arch/powerpc/platforms/pasemi/setup.c +++ b/arch/powerpc/platforms/pasemi/setup.c @@ -393,7 +393,7 @@ static inline void pasemi_pcmcia_init(void) #endif -static struct of_device_id pasemi_bus_ids[] = { +static const struct of_device_id pasemi_bus_ids[] = { /* Unfortunately needed for legacy firmwares */ { .type = "localbus", }, { .type = "sdc", }, diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c index 141f8899a633..b127a29ac526 100644 --- a/arch/powerpc/platforms/powermac/setup.c +++ b/arch/powerpc/platforms/powermac/setup.c @@ -336,7 +336,7 @@ static void __init pmac_setup_arch(void) #endif #ifdef CONFIG_ADB - if (strstr(cmd_line, "adb_sync")) { + if (strstr(boot_command_line, "adb_sync")) { extern int __adb_probe_sync; __adb_probe_sync = 1; } @@ -460,7 +460,7 @@ pmac_halt(void) static void __init pmac_init_early(void) { /* Enable early btext debug if requested */ - if (strstr(cmd_line, "btextdbg")) { + if (strstr(boot_command_line, "btextdbg")) { udbg_adb_init_early(); register_early_udbg_console(); } @@ -469,8 +469,8 @@ static void __init pmac_init_early(void) pmac_feature_init(); /* Initialize debug stuff */ - udbg_scc_init(!!strstr(cmd_line, "sccdbg")); - udbg_adb_init(!!strstr(cmd_line, "btextdbg")); + udbg_scc_init(!!strstr(boot_command_line, "sccdbg")); + udbg_adb_init(!!strstr(boot_command_line, "btextdbg")); #ifdef CONFIG_PPC64 iommu_init_early_dart(); diff --git a/arch/powerpc/platforms/powernv/eeh-ioda.c b/arch/powerpc/platforms/powernv/eeh-ioda.c index c945bed4dc9e..eba9cb10619c 100644 --- a/arch/powerpc/platforms/powernv/eeh-ioda.c +++ b/arch/powerpc/platforms/powernv/eeh-ioda.c @@ -66,6 +66,54 @@ static struct notifier_block ioda_eeh_nb = { }; #ifdef CONFIG_DEBUG_FS +static ssize_t ioda_eeh_ei_write(struct file *filp, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct pci_controller *hose = filp->private_data; + struct pnv_phb *phb = hose->private_data; + struct eeh_dev *edev; + struct eeh_pe *pe; + int pe_no, type, func; + unsigned long addr, mask; + char buf[50]; + int ret; + + if (!phb->eeh_ops || !phb->eeh_ops->err_inject) + return -ENXIO; + + ret = simple_write_to_buffer(buf, sizeof(buf), ppos, user_buf, count); + if (!ret) + return -EFAULT; + + /* Retrieve parameters */ + ret = sscanf(buf, "%x:%x:%x:%lx:%lx", + &pe_no, &type, &func, &addr, &mask); + if (ret != 5) + return -EINVAL; + + /* Retrieve PE */ + edev = kzalloc(sizeof(*edev), GFP_KERNEL); + if (!edev) + return -ENOMEM; + edev->phb = hose; + edev->pe_config_addr = pe_no; + pe = eeh_pe_get(edev); + kfree(edev); + if (!pe) + return -ENODEV; + + /* Do error injection */ + ret = phb->eeh_ops->err_inject(pe, type, func, addr, mask); + return ret < 0 ? ret : count; +} + +static const struct file_operations ioda_eeh_ei_fops = { + .open = simple_open, + .llseek = no_llseek, + .write = ioda_eeh_ei_write, +}; + static int ioda_eeh_dbgfs_set(void *data, int offset, u64 val) { struct pci_controller *hose = data; @@ -152,6 +200,10 @@ static int ioda_eeh_post_init(struct pci_controller *hose) if (!phb->has_dbgfs && phb->dbgfs) { phb->has_dbgfs = 1; + debugfs_create_file("err_injct", 0200, + phb->dbgfs, hose, + &ioda_eeh_ei_fops); + debugfs_create_file("err_injct_outbound", 0600, phb->dbgfs, hose, &ioda_eeh_outb_dbgfs_ops); @@ -189,6 +241,7 @@ static int ioda_eeh_set_option(struct eeh_pe *pe, int option) { struct pci_controller *hose = pe->phb; struct pnv_phb *phb = hose->private_data; + bool freeze_pe = false; int enable, ret = 0; s64 rc; @@ -212,6 +265,10 @@ static int ioda_eeh_set_option(struct eeh_pe *pe, int option) case EEH_OPT_THAW_DMA: enable = OPAL_EEH_ACTION_CLEAR_FREEZE_DMA; break; + case EEH_OPT_FREEZE_PE: + freeze_pe = true; + enable = OPAL_EEH_ACTION_SET_FREEZE_ALL; + break; default: pr_warn("%s: Invalid option %d\n", __func__, option); @@ -219,17 +276,35 @@ static int ioda_eeh_set_option(struct eeh_pe *pe, int option) } /* If PHB supports compound PE, to handle it */ - if (phb->unfreeze_pe) { - ret = phb->unfreeze_pe(phb, pe->addr, enable); + if (freeze_pe) { + if (phb->freeze_pe) { + phb->freeze_pe(phb, pe->addr); + } else { + rc = opal_pci_eeh_freeze_set(phb->opal_id, + pe->addr, + enable); + if (rc != OPAL_SUCCESS) { + pr_warn("%s: Failure %lld freezing " + "PHB#%x-PE#%x\n", + __func__, rc, + phb->hose->global_number, pe->addr); + ret = -EIO; + } + } } else { - rc = opal_pci_eeh_freeze_clear(phb->opal_id, - pe->addr, - enable); - if (rc != OPAL_SUCCESS) { - pr_warn("%s: Failure %lld enable %d for PHB#%x-PE#%x\n", - __func__, rc, option, phb->hose->global_number, - pe->addr); - ret = -EIO; + if (phb->unfreeze_pe) { + ret = phb->unfreeze_pe(phb, pe->addr, enable); + } else { + rc = opal_pci_eeh_freeze_clear(phb->opal_id, + pe->addr, + enable); + if (rc != OPAL_SUCCESS) { + pr_warn("%s: Failure %lld enable %d " + "for PHB#%x-PE#%x\n", + __func__, rc, option, + phb->hose->global_number, pe->addr); + ret = -EIO; + } } } @@ -298,7 +373,7 @@ static int ioda_eeh_get_pe_state(struct eeh_pe *pe) * moving forward, we have to return operational * state during PE reset. */ - if (pe->state & EEH_PE_RESET) { + if (pe->state & EEH_PE_CFG_BLOCKED) { result = (EEH_STATE_MMIO_ACTIVE | EEH_STATE_DMA_ACTIVE | EEH_STATE_MMIO_ENABLED | @@ -439,11 +514,11 @@ int ioda_eeh_phb_reset(struct pci_controller *hose, int option) if (option == EEH_RESET_FUNDAMENTAL || option == EEH_RESET_HOT) rc = opal_pci_reset(phb->opal_id, - OPAL_PHB_COMPLETE, + OPAL_RESET_PHB_COMPLETE, OPAL_ASSERT_RESET); else if (option == EEH_RESET_DEACTIVATE) rc = opal_pci_reset(phb->opal_id, - OPAL_PHB_COMPLETE, + OPAL_RESET_PHB_COMPLETE, OPAL_DEASSERT_RESET); if (rc < 0) goto out; @@ -483,15 +558,15 @@ static int ioda_eeh_root_reset(struct pci_controller *hose, int option) */ if (option == EEH_RESET_FUNDAMENTAL) rc = opal_pci_reset(phb->opal_id, - OPAL_PCI_FUNDAMENTAL_RESET, + OPAL_RESET_PCI_FUNDAMENTAL, OPAL_ASSERT_RESET); else if (option == EEH_RESET_HOT) rc = opal_pci_reset(phb->opal_id, - OPAL_PCI_HOT_RESET, + OPAL_RESET_PCI_HOT, OPAL_ASSERT_RESET); else if (option == EEH_RESET_DEACTIVATE) rc = opal_pci_reset(phb->opal_id, - OPAL_PCI_HOT_RESET, + OPAL_RESET_PCI_HOT, OPAL_DEASSERT_RESET); if (rc < 0) goto out; @@ -607,6 +682,31 @@ static int ioda_eeh_reset(struct eeh_pe *pe, int option) if (pe->type & EEH_PE_PHB) { ret = ioda_eeh_phb_reset(hose, option); } else { + struct pnv_phb *phb; + s64 rc; + + /* + * The frozen PE might be caused by PAPR error injection + * registers, which are expected to be cleared after hitting + * frozen PE as stated in the hardware spec. Unfortunately, + * that's not true on P7IOC. So we have to clear it manually + * to avoid recursive EEH errors during recovery. + */ + phb = hose->private_data; + if (phb->model == PNV_PHB_MODEL_P7IOC && + (option == EEH_RESET_HOT || + option == EEH_RESET_FUNDAMENTAL)) { + rc = opal_pci_reset(phb->opal_id, + OPAL_RESET_PHB_ERROR, + OPAL_ASSERT_RESET); + if (rc != OPAL_SUCCESS) { + pr_warn("%s: Failure %lld clearing " + "error injection registers\n", + __func__, rc); + return -EIO; + } + } + bus = eeh_pe_bus_get(pe); if (pci_is_root_bus(bus) || pci_is_root_bus(bus->parent)) @@ -628,8 +728,8 @@ static int ioda_eeh_reset(struct eeh_pe *pe, int option) * Retrieve error log, which contains log from device driver * and firmware. */ -int ioda_eeh_get_log(struct eeh_pe *pe, int severity, - char *drv_log, unsigned long len) +static int ioda_eeh_get_log(struct eeh_pe *pe, int severity, + char *drv_log, unsigned long len) { pnv_pci_dump_phb_diag_data(pe->phb, pe->data); @@ -650,6 +750,49 @@ static int ioda_eeh_configure_bridge(struct eeh_pe *pe) return 0; } +static int ioda_eeh_err_inject(struct eeh_pe *pe, int type, int func, + unsigned long addr, unsigned long mask) +{ + struct pci_controller *hose = pe->phb; + struct pnv_phb *phb = hose->private_data; + s64 ret; + + /* Sanity check on error type */ + if (type != OPAL_ERR_INJECT_TYPE_IOA_BUS_ERR && + type != OPAL_ERR_INJECT_TYPE_IOA_BUS_ERR64) { + pr_warn("%s: Invalid error type %d\n", + __func__, type); + return -ERANGE; + } + + if (func < OPAL_ERR_INJECT_FUNC_IOA_LD_MEM_ADDR || + func > OPAL_ERR_INJECT_FUNC_IOA_DMA_WR_TARGET) { + pr_warn("%s: Invalid error function %d\n", + __func__, func); + return -ERANGE; + } + + /* Firmware supports error injection ? */ + if (!opal_check_token(OPAL_PCI_ERR_INJECT)) { + pr_warn("%s: Firmware doesn't support error injection\n", + __func__); + return -ENXIO; + } + + /* Do error injection */ + ret = opal_pci_err_inject(phb->opal_id, pe->addr, + type, func, addr, mask); + if (ret != OPAL_SUCCESS) { + pr_warn("%s: Failure %lld injecting error " + "%d-%d to PHB#%x-PE#%x\n", + __func__, ret, type, func, + hose->global_number, pe->addr); + return -EIO; + } + + return 0; +} + static void ioda_eeh_hub_diag_common(struct OpalIoP7IOCErrorData *data) { /* GEM */ @@ -743,14 +886,12 @@ static int ioda_eeh_get_pe(struct pci_controller *hose, * the master PE because slave PE is invisible * to EEH core. */ - if (phb->get_pe_state) { - pnv_pe = &phb->ioda.pe_array[pe_no]; - if (pnv_pe->flags & PNV_IODA_PE_SLAVE) { - pnv_pe = pnv_pe->master; - WARN_ON(!pnv_pe || - !(pnv_pe->flags & PNV_IODA_PE_MASTER)); - pe_no = pnv_pe->pe_number; - } + pnv_pe = &phb->ioda.pe_array[pe_no]; + if (pnv_pe->flags & PNV_IODA_PE_SLAVE) { + pnv_pe = pnv_pe->master; + WARN_ON(!pnv_pe || + !(pnv_pe->flags & PNV_IODA_PE_MASTER)); + pe_no = pnv_pe->pe_number; } /* Find the PE according to PE# */ @@ -761,15 +902,37 @@ static int ioda_eeh_get_pe(struct pci_controller *hose, if (!dev_pe) return -EEXIST; - /* - * At this point, we're sure the compound PE should - * be put into frozen state. - */ + /* Freeze the (compound) PE */ *pe = dev_pe; - if (phb->freeze_pe && - !(dev_pe->state & EEH_PE_ISOLATED)) + if (!(dev_pe->state & EEH_PE_ISOLATED)) phb->freeze_pe(phb, pe_no); + /* + * At this point, we're sure the (compound) PE should + * have been frozen. However, we still need poke until + * hitting the frozen PE on top level. + */ + dev_pe = dev_pe->parent; + while (dev_pe && !(dev_pe->type & EEH_PE_PHB)) { + int ret; + int active_flags = (EEH_STATE_MMIO_ACTIVE | + EEH_STATE_DMA_ACTIVE); + + ret = eeh_ops->get_state(dev_pe, NULL); + if (ret <= 0 || (ret & active_flags) == active_flags) { + dev_pe = dev_pe->parent; + continue; + } + + /* Frozen parent PE */ + *pe = dev_pe; + if (!(dev_pe->state & EEH_PE_ISOLATED)) + phb->freeze_pe(phb, dev_pe->addr); + + /* Next one */ + dev_pe = dev_pe->parent; + } + return 0; } @@ -971,5 +1134,6 @@ struct pnv_eeh_ops ioda_eeh_ops = { .reset = ioda_eeh_reset, .get_log = ioda_eeh_get_log, .configure_bridge = ioda_eeh_configure_bridge, + .err_inject = ioda_eeh_err_inject, .next_error = ioda_eeh_next_error }; diff --git a/arch/powerpc/platforms/powernv/eeh-powernv.c b/arch/powerpc/platforms/powernv/eeh-powernv.c index fd7a16f855ed..1d19e7917d7f 100644 --- a/arch/powerpc/platforms/powernv/eeh-powernv.c +++ b/arch/powerpc/platforms/powernv/eeh-powernv.c @@ -169,6 +169,26 @@ static int powernv_eeh_dev_probe(struct pci_dev *dev, void *flag) } /* + * If the PE contains any one of following adapters, the + * PCI config space can't be accessed when dumping EEH log. + * Otherwise, we will run into fenced PHB caused by shortage + * of outbound credits in the adapter. The PCI config access + * should be blocked until PE reset. MMIO access is dropped + * by hardware certainly. In order to drop PCI config requests, + * one more flag (EEH_PE_CFG_RESTRICTED) is introduced, which + * will be checked in the backend for PE state retrival. If + * the PE becomes frozen for the first time and the flag has + * been set for the PE, we will set EEH_PE_CFG_BLOCKED for + * that PE to block its config space. + * + * Broadcom Austin 4-ports NICs (14e4:1657) + * Broadcom Shiner 2-ports 10G NICs (14e4:168e) + */ + if ((dev->vendor == PCI_VENDOR_ID_BROADCOM && dev->device == 0x1657) || + (dev->vendor == PCI_VENDOR_ID_BROADCOM && dev->device == 0x168e)) + edev->pe->state |= EEH_PE_CFG_RESTRICTED; + + /* * Cache the PE primary bus, which can't be fetched when * full hotplug is in progress. In that case, all child * PCI devices of the PE are expected to be removed prior @@ -359,6 +379,64 @@ static int powernv_eeh_configure_bridge(struct eeh_pe *pe) } /** + * powernv_pe_err_inject - Inject specified error to the indicated PE + * @pe: the indicated PE + * @type: error type + * @func: specific error type + * @addr: address + * @mask: address mask + * + * The routine is called to inject specified error, which is + * determined by @type and @func, to the indicated PE for + * testing purpose. + */ +static int powernv_eeh_err_inject(struct eeh_pe *pe, int type, int func, + unsigned long addr, unsigned long mask) +{ + struct pci_controller *hose = pe->phb; + struct pnv_phb *phb = hose->private_data; + int ret = -EEXIST; + + if (phb->eeh_ops && phb->eeh_ops->err_inject) + ret = phb->eeh_ops->err_inject(pe, type, func, addr, mask); + + return ret; +} + +static inline bool powernv_eeh_cfg_blocked(struct device_node *dn) +{ + struct eeh_dev *edev = of_node_to_eeh_dev(dn); + + if (!edev || !edev->pe) + return false; + + if (edev->pe->state & EEH_PE_CFG_BLOCKED) + return true; + + return false; +} + +static int powernv_eeh_read_config(struct device_node *dn, + int where, int size, u32 *val) +{ + if (powernv_eeh_cfg_blocked(dn)) { + *val = 0xFFFFFFFF; + return PCIBIOS_SET_FAILED; + } + + return pnv_pci_cfg_read(dn, where, size, val); +} + +static int powernv_eeh_write_config(struct device_node *dn, + int where, int size, u32 val) +{ + if (powernv_eeh_cfg_blocked(dn)) + return PCIBIOS_SET_FAILED; + + return pnv_pci_cfg_write(dn, where, size, val); +} + +/** * powernv_eeh_next_error - Retrieve next EEH error to handle * @pe: Affected PE * @@ -414,8 +492,9 @@ static struct eeh_ops powernv_eeh_ops = { .wait_state = powernv_eeh_wait_state, .get_log = powernv_eeh_get_log, .configure_bridge = powernv_eeh_configure_bridge, - .read_config = pnv_pci_cfg_read, - .write_config = pnv_pci_cfg_write, + .err_inject = powernv_eeh_err_inject, + .read_config = powernv_eeh_read_config, + .write_config = powernv_eeh_write_config, .next_error = powernv_eeh_next_error, .restore_config = powernv_eeh_restore_config }; diff --git a/arch/powerpc/platforms/powernv/opal-dump.c b/arch/powerpc/platforms/powernv/opal-dump.c index 85bb8fff7947..23260f7dfa7a 100644 --- a/arch/powerpc/platforms/powernv/opal-dump.c +++ b/arch/powerpc/platforms/powernv/opal-dump.c @@ -112,7 +112,7 @@ static ssize_t init_dump_show(struct dump_obj *dump_obj, struct dump_attribute *attr, char *buf) { - return sprintf(buf, "1 - initiate dump\n"); + return sprintf(buf, "1 - initiate Service Processor(FSP) dump\n"); } static int64_t dump_fips_init(uint8_t type) @@ -121,7 +121,7 @@ static int64_t dump_fips_init(uint8_t type) rc = opal_dump_init(type); if (rc) - pr_warn("%s: Failed to initiate FipS dump (%d)\n", + pr_warn("%s: Failed to initiate FSP dump (%d)\n", __func__, rc); return rc; } @@ -131,8 +131,12 @@ static ssize_t init_dump_store(struct dump_obj *dump_obj, const char *buf, size_t count) { - dump_fips_init(DUMP_TYPE_FSP); - pr_info("%s: Initiated FSP dump\n", __func__); + int rc; + + rc = dump_fips_init(DUMP_TYPE_FSP); + if (rc == OPAL_SUCCESS) + pr_info("%s: Initiated FSP dump\n", __func__); + return count; } @@ -297,7 +301,7 @@ static ssize_t dump_attr_read(struct file *filep, struct kobject *kobj, * and rely on userspace to ask us to try * again. */ - pr_info("%s: Platform dump partially read.ID = 0x%x\n", + pr_info("%s: Platform dump partially read. ID = 0x%x\n", __func__, dump->id); return -EIO; } @@ -423,6 +427,10 @@ void __init opal_platform_dump_init(void) { int rc; + /* ELOG not supported by firmware */ + if (!opal_check_token(OPAL_DUMP_READ)) + return; + dump_kset = kset_create_and_add("dump", NULL, opal_kobj); if (!dump_kset) { pr_warn("%s: Failed to create dump kset\n", __func__); diff --git a/arch/powerpc/platforms/powernv/opal-elog.c b/arch/powerpc/platforms/powernv/opal-elog.c index bbdb3ffaab98..518fe95dbf24 100644 --- a/arch/powerpc/platforms/powernv/opal-elog.c +++ b/arch/powerpc/platforms/powernv/opal-elog.c @@ -295,6 +295,10 @@ int __init opal_elog_init(void) { int rc = 0; + /* ELOG not supported by firmware */ + if (!opal_check_token(OPAL_ELOG_READ)) + return -1; + elog_kset = kset_create_and_add("elog", NULL, opal_kobj); if (!elog_kset) { pr_warn("%s: failed to create elog kset\n", __func__); diff --git a/arch/powerpc/platforms/powernv/opal-hmi.c b/arch/powerpc/platforms/powernv/opal-hmi.c index 97ac8dc33667..5e1ed1575aab 100644 --- a/arch/powerpc/platforms/powernv/opal-hmi.c +++ b/arch/powerpc/platforms/powernv/opal-hmi.c @@ -28,6 +28,7 @@ #include <asm/opal.h> #include <asm/cputable.h> +#include <asm/machdep.h> static int opal_hmi_handler_nb_init; struct OpalHmiEvtNode { @@ -185,4 +186,4 @@ static int __init opal_hmi_handler_init(void) } return 0; } -subsys_initcall(opal_hmi_handler_init); +machine_subsys_initcall(powernv, opal_hmi_handler_init); diff --git a/arch/powerpc/platforms/powernv/opal-lpc.c b/arch/powerpc/platforms/powernv/opal-lpc.c index ad4b31df779a..dd2c285ad170 100644 --- a/arch/powerpc/platforms/powernv/opal-lpc.c +++ b/arch/powerpc/platforms/powernv/opal-lpc.c @@ -191,6 +191,7 @@ static ssize_t lpc_debug_read(struct file *filp, char __user *ubuf, { struct lpc_debugfs_entry *lpc = filp->private_data; u32 data, pos, len, todo; + __be32 bedata; int rc; if (!access_ok(VERIFY_WRITE, ubuf, count)) @@ -213,9 +214,10 @@ static ssize_t lpc_debug_read(struct file *filp, char __user *ubuf, len = 2; } rc = opal_lpc_read(opal_lpc_chip_id, lpc->lpc_type, pos, - &data, len); + &bedata, len); if (rc) return -ENXIO; + data = be32_to_cpu(bedata); switch(len) { case 4: rc = __put_user((u32)data, (u32 __user *)ubuf); diff --git a/arch/powerpc/platforms/powernv/opal-nvram.c b/arch/powerpc/platforms/powernv/opal-nvram.c index acd9f7e96678..f9896fd5d04a 100644 --- a/arch/powerpc/platforms/powernv/opal-nvram.c +++ b/arch/powerpc/platforms/powernv/opal-nvram.c @@ -78,7 +78,7 @@ void __init opal_nvram_init(void) } nvram_size = be32_to_cpup(nbytes_p); - printk(KERN_INFO "OPAL nvram setup, %u bytes\n", nvram_size); + pr_info("OPAL nvram setup, %u bytes\n", nvram_size); of_node_put(np); ppc_md.nvram_read = opal_nvram_read; diff --git a/arch/powerpc/platforms/powernv/opal-rtc.c b/arch/powerpc/platforms/powernv/opal-rtc.c index b1885db8fdf3..499707ddaa9c 100644 --- a/arch/powerpc/platforms/powernv/opal-rtc.c +++ b/arch/powerpc/platforms/powernv/opal-rtc.c @@ -42,6 +42,9 @@ unsigned long __init opal_get_boot_time(void) __be64 __h_m_s_ms; long rc = OPAL_BUSY; + if (!opal_check_token(OPAL_RTC_READ)) + goto out; + while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) { rc = opal_rtc_read(&__y_m_d, &__h_m_s_ms); if (rc == OPAL_BUSY_EVENT) @@ -49,16 +52,18 @@ unsigned long __init opal_get_boot_time(void) else mdelay(10); } - if (rc != OPAL_SUCCESS) { - ppc_md.get_rtc_time = NULL; - ppc_md.set_rtc_time = NULL; - return 0; - } + if (rc != OPAL_SUCCESS) + goto out; + y_m_d = be32_to_cpu(__y_m_d); h_m_s_ms = be64_to_cpu(__h_m_s_ms); opal_to_tm(y_m_d, h_m_s_ms, &tm); return mktime(tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec); +out: + ppc_md.get_rtc_time = NULL; + ppc_md.set_rtc_time = NULL; + return 0; } void opal_get_rtc_time(struct rtc_time *tm) diff --git a/arch/powerpc/platforms/powernv/opal-tracepoints.c b/arch/powerpc/platforms/powernv/opal-tracepoints.c index d8a000a9988b..ae14c40b4b1c 100644 --- a/arch/powerpc/platforms/powernv/opal-tracepoints.c +++ b/arch/powerpc/platforms/powernv/opal-tracepoints.c @@ -2,7 +2,7 @@ #include <linux/jump_label.h> #include <asm/trace.h> -#ifdef CONFIG_JUMP_LABEL +#ifdef HAVE_JUMP_LABEL struct static_key opal_tracepoint_key = STATIC_KEY_INIT; void opal_tracepoint_regfunc(void) diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S index 2e6ce1b8dc8f..e9e2450c1fdd 100644 --- a/arch/powerpc/platforms/powernv/opal-wrappers.S +++ b/arch/powerpc/platforms/powernv/opal-wrappers.S @@ -184,6 +184,7 @@ OPAL_CALL(opal_register_exception_handler, OPAL_REGISTER_OPAL_EXCEPTION_HANDLER) OPAL_CALL(opal_pci_eeh_freeze_status, OPAL_PCI_EEH_FREEZE_STATUS); OPAL_CALL(opal_pci_eeh_freeze_clear, OPAL_PCI_EEH_FREEZE_CLEAR); OPAL_CALL(opal_pci_eeh_freeze_set, OPAL_PCI_EEH_FREEZE_SET); +OPAL_CALL(opal_pci_err_inject, OPAL_PCI_ERR_INJECT); OPAL_CALL(opal_pci_shpc, OPAL_PCI_SHPC); OPAL_CALL(opal_pci_phb_mmio_enable, OPAL_PCI_PHB_MMIO_ENABLE); OPAL_CALL(opal_pci_set_phb_mem_window, OPAL_PCI_SET_PHB_MEM_WINDOW); @@ -232,6 +233,7 @@ OPAL_CALL(opal_validate_flash, OPAL_FLASH_VALIDATE); OPAL_CALL(opal_manage_flash, OPAL_FLASH_MANAGE); OPAL_CALL(opal_update_flash, OPAL_FLASH_UPDATE); OPAL_CALL(opal_resync_timebase, OPAL_RESYNC_TIMEBASE); +OPAL_CALL(opal_check_token, OPAL_CHECK_TOKEN); OPAL_CALL(opal_dump_init, OPAL_DUMP_INIT); OPAL_CALL(opal_dump_info, OPAL_DUMP_INFO); OPAL_CALL(opal_dump_info2, OPAL_DUMP_INFO2); @@ -247,3 +249,4 @@ OPAL_CALL(opal_set_param, OPAL_SET_PARAM); OPAL_CALL(opal_handle_hmi, OPAL_HANDLE_HMI); OPAL_CALL(opal_register_dump_region, OPAL_REGISTER_DUMP_REGION); OPAL_CALL(opal_unregister_dump_region, OPAL_UNREGISTER_DUMP_REGION); +OPAL_CALL(opal_pci_set_phb_cxl_mode, OPAL_PCI_SET_PHB_CXL_MODE); diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index b44eec3e8dbd..d019b081df9d 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -105,12 +105,12 @@ int __init early_init_dt_scan_opal(unsigned long node, if (of_flat_dt_is_compatible(node, "ibm,opal-v3")) { powerpc_firmware_features |= FW_FEATURE_OPALv2; powerpc_firmware_features |= FW_FEATURE_OPALv3; - printk("OPAL V3 detected !\n"); + pr_info("OPAL V3 detected !\n"); } else if (of_flat_dt_is_compatible(node, "ibm,opal-v2")) { powerpc_firmware_features |= FW_FEATURE_OPALv2; - printk("OPAL V2 detected !\n"); + pr_info("OPAL V2 detected !\n"); } else { - printk("OPAL V1 detected !\n"); + pr_info("OPAL V1 detected !\n"); } /* Reinit all cores with the right endian */ @@ -194,6 +194,27 @@ static int __init opal_register_exception_handlers(void) * fwnmi area at 0x7000 to provide the glue space to OPAL */ glue = 0x7000; + + /* + * Check if we are running on newer firmware that exports + * OPAL_HANDLE_HMI token. If yes, then don't ask OPAL to patch + * the HMI interrupt and we catch it directly in Linux. + * + * For older firmware (i.e currently released POWER8 System Firmware + * as of today <= SV810_087), we fallback to old behavior and let OPAL + * patch the HMI vector and handle it inside OPAL firmware. + * + * For newer firmware (in development/yet to be released) we will + * start catching/handling HMI directly in Linux. + */ + if (!opal_check_token(OPAL_HANDLE_HMI)) { + pr_info("opal: Old firmware detected, OPAL handles HMIs.\n"); + opal_register_exception_handler( + OPAL_HYPERVISOR_MAINTENANCE_HANDLER, + 0, glue); + glue += 128; + } + opal_register_exception_handler(OPAL_SOFTPATCH_HANDLER, 0, glue); #endif @@ -322,7 +343,7 @@ static void opal_handle_message(void) /* check for errors. */ if (ret) { - pr_warning("%s: Failed to retrive opal message, err=%lld\n", + pr_warning("%s: Failed to retrieve opal message, err=%lld\n", __func__, ret); return; } diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index df241b11d4f7..468a0f23c7f2 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -37,41 +37,43 @@ #include <asm/xics.h> #include <asm/debug.h> #include <asm/firmware.h> +#include <asm/pnv-pci.h> + +#include <misc/cxl.h> #include "powernv.h" #include "pci.h" -#define define_pe_printk_level(func, kern_level) \ -static int func(const struct pnv_ioda_pe *pe, const char *fmt, ...) \ -{ \ - struct va_format vaf; \ - va_list args; \ - char pfix[32]; \ - int r; \ - \ - va_start(args, fmt); \ - \ - vaf.fmt = fmt; \ - vaf.va = &args; \ - \ - if (pe->pdev) \ - strlcpy(pfix, dev_name(&pe->pdev->dev), \ - sizeof(pfix)); \ - else \ - sprintf(pfix, "%04x:%02x ", \ - pci_domain_nr(pe->pbus), \ - pe->pbus->number); \ - r = printk(kern_level "pci %s: [PE# %.3d] %pV", \ - pfix, pe->pe_number, &vaf); \ - \ - va_end(args); \ - \ - return r; \ -} \ - -define_pe_printk_level(pe_err, KERN_ERR); -define_pe_printk_level(pe_warn, KERN_WARNING); -define_pe_printk_level(pe_info, KERN_INFO); +static void pe_level_printk(const struct pnv_ioda_pe *pe, const char *level, + const char *fmt, ...) +{ + struct va_format vaf; + va_list args; + char pfix[32]; + + va_start(args, fmt); + + vaf.fmt = fmt; + vaf.va = &args; + + if (pe->pdev) + strlcpy(pfix, dev_name(&pe->pdev->dev), sizeof(pfix)); + else + sprintf(pfix, "%04x:%02x ", + pci_domain_nr(pe->pbus), pe->pbus->number); + + printk("%spci %s: [PE# %.3d] %pV", + level, pfix, pe->pe_number, &vaf); + + va_end(args); +} + +#define pe_err(pe, fmt, ...) \ + pe_level_printk(pe, KERN_ERR, fmt, ##__VA_ARGS__) +#define pe_warn(pe, fmt, ...) \ + pe_level_printk(pe, KERN_WARNING, fmt, ##__VA_ARGS__) +#define pe_info(pe, fmt, ...) \ + pe_level_printk(pe, KERN_INFO, fmt, ##__VA_ARGS__) /* * stdcix is only supposed to be used in hypervisor real mode as per @@ -385,7 +387,7 @@ static void pnv_ioda_freeze_pe(struct pnv_phb *phb, int pe_no) } } -int pnv_ioda_unfreeze_pe(struct pnv_phb *phb, int pe_no, int opt) +static int pnv_ioda_unfreeze_pe(struct pnv_phb *phb, int pe_no, int opt) { struct pnv_ioda_pe *pe, *slave; s64 rc; @@ -890,6 +892,28 @@ static int pnv_pci_ioda_dma_set_mask(struct pnv_phb *phb, return 0; } +static u64 pnv_pci_ioda_dma_get_required_mask(struct pnv_phb *phb, + struct pci_dev *pdev) +{ + struct pci_dn *pdn = pci_get_pdn(pdev); + struct pnv_ioda_pe *pe; + u64 end, mask; + + if (WARN_ON(!pdn || pdn->pe_number == IODA_INVALID_PE)) + return 0; + + pe = &phb->ioda.pe_array[pdn->pe_number]; + if (!pe->tce_bypass_enabled) + return __dma_get_required_mask(&pdev->dev); + + + end = pe->tce_bypass_base + memblock_end_of_DRAM(); + mask = 1ULL << (fls64(end) - 1); + mask += mask - 1; + + return mask; +} + static void pnv_ioda_setup_bus_dma(struct pnv_ioda_pe *pe, struct pci_bus *bus, bool add_to_iommu_group) @@ -1306,14 +1330,186 @@ static void pnv_ioda2_msi_eoi(struct irq_data *d) icp_native_eoi(d); } + +static void set_msi_irq_chip(struct pnv_phb *phb, unsigned int virq) +{ + struct irq_data *idata; + struct irq_chip *ichip; + + if (phb->type != PNV_PHB_IODA2) + return; + + if (!phb->ioda.irq_chip_init) { + /* + * First time we setup an MSI IRQ, we need to setup the + * corresponding IRQ chip to route correctly. + */ + idata = irq_get_irq_data(virq); + ichip = irq_data_get_irq_chip(idata); + phb->ioda.irq_chip_init = 1; + phb->ioda.irq_chip = *ichip; + phb->ioda.irq_chip.irq_eoi = pnv_ioda2_msi_eoi; + } + irq_set_chip(virq, &phb->ioda.irq_chip); +} + +#ifdef CONFIG_CXL_BASE + +struct device_node *pnv_pci_to_phb_node(struct pci_dev *dev) +{ + struct pci_controller *hose = pci_bus_to_host(dev->bus); + + return hose->dn; +} +EXPORT_SYMBOL(pnv_pci_to_phb_node); + +int pnv_phb_to_cxl(struct pci_dev *dev) +{ + struct pci_controller *hose = pci_bus_to_host(dev->bus); + struct pnv_phb *phb = hose->private_data; + struct pnv_ioda_pe *pe; + int rc; + + pe = pnv_ioda_get_pe(dev); + if (!pe) + return -ENODEV; + + pe_info(pe, "Switching PHB to CXL\n"); + + rc = opal_pci_set_phb_cxl_mode(phb->opal_id, 1, pe->pe_number); + if (rc) + dev_err(&dev->dev, "opal_pci_set_phb_cxl_mode failed: %i\n", rc); + + return rc; +} +EXPORT_SYMBOL(pnv_phb_to_cxl); + +/* Find PHB for cxl dev and allocate MSI hwirqs? + * Returns the absolute hardware IRQ number + */ +int pnv_cxl_alloc_hwirqs(struct pci_dev *dev, int num) +{ + struct pci_controller *hose = pci_bus_to_host(dev->bus); + struct pnv_phb *phb = hose->private_data; + int hwirq = msi_bitmap_alloc_hwirqs(&phb->msi_bmp, num); + + if (hwirq < 0) { + dev_warn(&dev->dev, "Failed to find a free MSI\n"); + return -ENOSPC; + } + + return phb->msi_base + hwirq; +} +EXPORT_SYMBOL(pnv_cxl_alloc_hwirqs); + +void pnv_cxl_release_hwirqs(struct pci_dev *dev, int hwirq, int num) +{ + struct pci_controller *hose = pci_bus_to_host(dev->bus); + struct pnv_phb *phb = hose->private_data; + + msi_bitmap_free_hwirqs(&phb->msi_bmp, hwirq - phb->msi_base, num); +} +EXPORT_SYMBOL(pnv_cxl_release_hwirqs); + +void pnv_cxl_release_hwirq_ranges(struct cxl_irq_ranges *irqs, + struct pci_dev *dev) +{ + struct pci_controller *hose = pci_bus_to_host(dev->bus); + struct pnv_phb *phb = hose->private_data; + int i, hwirq; + + for (i = 1; i < CXL_IRQ_RANGES; i++) { + if (!irqs->range[i]) + continue; + pr_devel("cxl release irq range 0x%x: offset: 0x%lx limit: %ld\n", + i, irqs->offset[i], + irqs->range[i]); + hwirq = irqs->offset[i] - phb->msi_base; + msi_bitmap_free_hwirqs(&phb->msi_bmp, hwirq, + irqs->range[i]); + } +} +EXPORT_SYMBOL(pnv_cxl_release_hwirq_ranges); + +int pnv_cxl_alloc_hwirq_ranges(struct cxl_irq_ranges *irqs, + struct pci_dev *dev, int num) +{ + struct pci_controller *hose = pci_bus_to_host(dev->bus); + struct pnv_phb *phb = hose->private_data; + int i, hwirq, try; + + memset(irqs, 0, sizeof(struct cxl_irq_ranges)); + + /* 0 is reserved for the multiplexed PSL DSI interrupt */ + for (i = 1; i < CXL_IRQ_RANGES && num; i++) { + try = num; + while (try) { + hwirq = msi_bitmap_alloc_hwirqs(&phb->msi_bmp, try); + if (hwirq >= 0) + break; + try /= 2; + } + if (!try) + goto fail; + + irqs->offset[i] = phb->msi_base + hwirq; + irqs->range[i] = try; + pr_devel("cxl alloc irq range 0x%x: offset: 0x%lx limit: %li\n", + i, irqs->offset[i], irqs->range[i]); + num -= try; + } + if (num) + goto fail; + + return 0; +fail: + pnv_cxl_release_hwirq_ranges(irqs, dev); + return -ENOSPC; +} +EXPORT_SYMBOL(pnv_cxl_alloc_hwirq_ranges); + +int pnv_cxl_get_irq_count(struct pci_dev *dev) +{ + struct pci_controller *hose = pci_bus_to_host(dev->bus); + struct pnv_phb *phb = hose->private_data; + + return phb->msi_bmp.irq_count; +} +EXPORT_SYMBOL(pnv_cxl_get_irq_count); + +int pnv_cxl_ioda_msi_setup(struct pci_dev *dev, unsigned int hwirq, + unsigned int virq) +{ + struct pci_controller *hose = pci_bus_to_host(dev->bus); + struct pnv_phb *phb = hose->private_data; + unsigned int xive_num = hwirq - phb->msi_base; + struct pnv_ioda_pe *pe; + int rc; + + if (!(pe = pnv_ioda_get_pe(dev))) + return -ENODEV; + + /* Assign XIVE to PE */ + rc = opal_pci_set_xive_pe(phb->opal_id, pe->pe_number, xive_num); + if (rc) { + pe_warn(pe, "%s: OPAL error %d setting msi_base 0x%x " + "hwirq 0x%x XIVE 0x%x PE\n", + pci_name(dev), rc, phb->msi_base, hwirq, xive_num); + return -EIO; + } + set_msi_irq_chip(phb, virq); + + return 0; +} +EXPORT_SYMBOL(pnv_cxl_ioda_msi_setup); +#endif + static int pnv_pci_ioda_msi_setup(struct pnv_phb *phb, struct pci_dev *dev, unsigned int hwirq, unsigned int virq, unsigned int is_64, struct msi_msg *msg) { struct pnv_ioda_pe *pe = pnv_ioda_get_pe(dev); struct pci_dn *pdn = pci_get_pdn(dev); - struct irq_data *idata; - struct irq_chip *ichip; unsigned int xive_num = hwirq - phb->msi_base; __be32 data; int rc; @@ -1365,22 +1561,7 @@ static int pnv_pci_ioda_msi_setup(struct pnv_phb *phb, struct pci_dev *dev, } msg->data = be32_to_cpu(data); - /* - * Change the IRQ chip for the MSI interrupts on PHB3. - * The corresponding IRQ chip should be populated for - * the first time. - */ - if (phb->type == PNV_PHB_IODA2) { - if (!phb->ioda.irq_chip_init) { - idata = irq_get_irq_data(virq); - ichip = irq_data_get_irq_chip(idata); - phb->ioda.irq_chip_init = 1; - phb->ioda.irq_chip = *ichip; - phb->ioda.irq_chip.irq_eoi = pnv_ioda2_msi_eoi; - } - - irq_set_chip(virq, &phb->ioda.irq_chip); - } + set_msi_irq_chip(phb, virq); pr_devel("%s: %s-bit MSI on hwirq %x (xive #%d)," " address=%x_%08x data=%x PE# %d\n", @@ -1627,12 +1808,12 @@ static u32 pnv_ioda_bdfn_to_pe(struct pnv_phb *phb, struct pci_bus *bus, static void pnv_pci_ioda_shutdown(struct pnv_phb *phb) { - opal_pci_reset(phb->opal_id, OPAL_PCI_IODA_TABLE_RESET, + opal_pci_reset(phb->opal_id, OPAL_RESET_PCI_IODA_TABLE, OPAL_ASSERT_RESET); } -void __init pnv_pci_init_ioda_phb(struct device_node *np, - u64 hub_id, int ioda_type) +static void __init pnv_pci_init_ioda_phb(struct device_node *np, + u64 hub_id, int ioda_type) { struct pci_controller *hose; struct pnv_phb *phb; @@ -1782,6 +1963,7 @@ void __init pnv_pci_init_ioda_phb(struct device_node *np, /* Setup TCEs */ phb->dma_dev_setup = pnv_pci_ioda_dma_dev_setup; phb->dma_set_mask = pnv_pci_ioda_dma_set_mask; + phb->dma_get_required_mask = pnv_pci_ioda_dma_get_required_mask; /* Setup shutdown function for kexec */ phb->shutdown = pnv_pci_ioda_shutdown; @@ -1803,7 +1985,7 @@ void __init pnv_pci_init_ioda_phb(struct device_node *np, pci_add_flags(PCI_REASSIGN_ALL_RSRC); /* Reset IODA tables to a clean state */ - rc = opal_pci_reset(phb_id, OPAL_PCI_IODA_TABLE_RESET, OPAL_ASSERT_RESET); + rc = opal_pci_reset(phb_id, OPAL_RESET_PCI_IODA_TABLE, OPAL_ASSERT_RESET); if (rc) pr_warning(" OPAL Error %ld performing IODA table reset !\n", rc); diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c index b854b57ed5e1..b2187d0068b8 100644 --- a/arch/powerpc/platforms/powernv/pci.c +++ b/arch/powerpc/platforms/powernv/pci.c @@ -46,29 +46,21 @@ //#define cfg_dbg(fmt...) printk(fmt) #ifdef CONFIG_PCI_MSI -static int pnv_msi_check_device(struct pci_dev* pdev, int nvec, int type) -{ - struct pci_controller *hose = pci_bus_to_host(pdev->bus); - struct pnv_phb *phb = hose->private_data; - struct pci_dn *pdn = pci_get_pdn(pdev); - - if (pdn && pdn->force_32bit_msi && !phb->msi32_support) - return -ENODEV; - - return (phb && phb->msi_bmp.bitmap) ? 0 : -ENODEV; -} - static int pnv_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) { struct pci_controller *hose = pci_bus_to_host(pdev->bus); struct pnv_phb *phb = hose->private_data; + struct pci_dn *pdn = pci_get_pdn(pdev); struct msi_desc *entry; struct msi_msg msg; int hwirq; unsigned int virq; int rc; - if (WARN_ON(!phb)) + if (WARN_ON(!phb) || !phb->msi_bmp.bitmap) + return -ENODEV; + + if (pdn && pdn->force_32bit_msi && !phb->msi32_support) return -ENODEV; list_for_each_entry(entry, &pdev->msi_list, list) { @@ -513,7 +505,7 @@ static bool pnv_pci_cfg_check(struct pci_controller *hose, edev = of_node_to_eeh_dev(dn); if (edev) { if (edev->pe && - (edev->pe->state & EEH_PE_RESET)) + (edev->pe->state & EEH_PE_CFG_BLOCKED)) return false; if (edev->mode & EEH_DEV_REMOVED) @@ -761,6 +753,17 @@ int pnv_pci_dma_set_mask(struct pci_dev *pdev, u64 dma_mask) return __dma_set_mask(&pdev->dev, dma_mask); } +u64 pnv_pci_dma_get_required_mask(struct pci_dev *pdev) +{ + struct pci_controller *hose = pci_bus_to_host(pdev->bus); + struct pnv_phb *phb = hose->private_data; + + if (phb && phb->dma_get_required_mask) + return phb->dma_get_required_mask(phb, pdev); + + return __dma_get_required_mask(&pdev->dev); +} + void pnv_pci_shutdown(void) { struct pci_controller *hose; @@ -860,7 +863,6 @@ void __init pnv_pci_init(void) /* Configure MSIs */ #ifdef CONFIG_PCI_MSI - ppc_md.msi_check_device = pnv_msi_check_device; ppc_md.setup_msi_irqs = pnv_setup_msi_irqs; ppc_md.teardown_msi_irqs = pnv_teardown_msi_irqs; #endif diff --git a/arch/powerpc/platforms/powernv/pci.h b/arch/powerpc/platforms/powernv/pci.h index 48494d4b6058..34d29eb2a4de 100644 --- a/arch/powerpc/platforms/powernv/pci.h +++ b/arch/powerpc/platforms/powernv/pci.h @@ -85,6 +85,8 @@ struct pnv_eeh_ops { int (*get_log)(struct eeh_pe *pe, int severity, char *drv_log, unsigned long len); int (*configure_bridge)(struct eeh_pe *pe); + int (*err_inject)(struct eeh_pe *pe, int type, int func, + unsigned long addr, unsigned long mask); int (*next_error)(struct eeh_pe **pe); }; #endif /* CONFIG_EEH */ @@ -122,6 +124,8 @@ struct pnv_phb { void (*dma_dev_setup)(struct pnv_phb *phb, struct pci_dev *pdev); int (*dma_set_mask)(struct pnv_phb *phb, struct pci_dev *pdev, u64 dma_mask); + u64 (*dma_get_required_mask)(struct pnv_phb *phb, + struct pci_dev *pdev); void (*fixup_phb)(struct pci_controller *hose); u32 (*bdfn_to_pe)(struct pnv_phb *phb, struct pci_bus *bus, u32 devfn); void (*shutdown)(struct pnv_phb *phb); diff --git a/arch/powerpc/platforms/powernv/powernv.h b/arch/powerpc/platforms/powernv/powernv.h index 75501bfede7f..6c8e2d188cd0 100644 --- a/arch/powerpc/platforms/powernv/powernv.h +++ b/arch/powerpc/platforms/powernv/powernv.h @@ -13,6 +13,7 @@ struct pci_dev; extern void pnv_pci_init(void); extern void pnv_pci_shutdown(void); extern int pnv_pci_dma_set_mask(struct pci_dev *pdev, u64 dma_mask); +extern u64 pnv_pci_dma_get_required_mask(struct pci_dev *pdev); #else static inline void pnv_pci_init(void) { } static inline void pnv_pci_shutdown(void) { } @@ -21,6 +22,11 @@ static inline int pnv_pci_dma_set_mask(struct pci_dev *pdev, u64 dma_mask) { return -ENODEV; } + +static inline u64 pnv_pci_dma_get_required_mask(struct pci_dev *pdev) +{ + return 0; +} #endif extern void pnv_lpc_init(void); diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c index 5a0e2dc6de5f..3f9546d8a51f 100644 --- a/arch/powerpc/platforms/powernv/setup.c +++ b/arch/powerpc/platforms/powernv/setup.c @@ -173,6 +173,14 @@ static int pnv_dma_set_mask(struct device *dev, u64 dma_mask) return __dma_set_mask(dev, dma_mask); } +static u64 pnv_dma_get_required_mask(struct device *dev) +{ + if (dev_is_pci(dev)) + return pnv_pci_dma_get_required_mask(to_pci_dev(dev)); + + return __dma_get_required_mask(dev); +} + static void pnv_shutdown(void) { /* Let the PCI code clear up IODA tables */ @@ -307,7 +315,7 @@ static int __init pnv_probe(void) * Returns the cpu frequency for 'cpu' in Hz. This is used by * /proc/cpuinfo */ -unsigned long pnv_get_proc_freq(unsigned int cpu) +static unsigned long pnv_get_proc_freq(unsigned int cpu) { unsigned long ret_freq; @@ -335,6 +343,7 @@ define_machine(powernv) { .power_save = power7_idle, .calibrate_decr = generic_calibrate_decr, .dma_set_mask = pnv_dma_set_mask, + .dma_get_required_mask = pnv_dma_get_required_mask, #ifdef CONFIG_KEXEC .kexec_cpu_down = pnv_kexec_cpu_down, #endif diff --git a/arch/powerpc/platforms/powernv/smp.c b/arch/powerpc/platforms/powernv/smp.c index 5fcfcf44e3a9..4753958cd509 100644 --- a/arch/powerpc/platforms/powernv/smp.c +++ b/arch/powerpc/platforms/powernv/smp.c @@ -54,7 +54,7 @@ static void pnv_smp_setup_cpu(int cpu) #endif } -int pnv_smp_kick_cpu(int nr) +static int pnv_smp_kick_cpu(int nr) { unsigned int pcpu = get_hard_smp_processor_id(nr); unsigned long start_here = @@ -168,9 +168,9 @@ static void pnv_smp_cpu_kill_self(void) power7_nap(1); ppc64_runlatch_on(); - /* Reenable IRQs briefly to clear the IPI that woke us */ - local_irq_enable(); - local_irq_disable(); + /* Clear the IPI that woke us up */ + icp_native_flush_interrupt(); + local_paca->irq_happened &= PACA_IRQ_HARD_DIS; mb(); if (cpu_core_split_required()) diff --git a/arch/powerpc/platforms/powernv/subcore.c b/arch/powerpc/platforms/powernv/subcore.c index 894ecb3eb596..c87f96b79d1a 100644 --- a/arch/powerpc/platforms/powernv/subcore.c +++ b/arch/powerpc/platforms/powernv/subcore.c @@ -24,6 +24,7 @@ #include <asm/smp.h> #include "subcore.h" +#include "powernv.h" /* diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c index 2d8bf15879fd..fc44ad0475f8 100644 --- a/arch/powerpc/platforms/pseries/cmm.c +++ b/arch/powerpc/platforms/pseries/cmm.c @@ -555,7 +555,6 @@ static int cmm_mem_going_offline(void *arg) pa_last = pa_last->next; free_page((unsigned long)cmm_page_list); cmm_page_list = pa_last; - continue; } } pa_curr = pa_curr->next; diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c index a2450b8a50a5..6ad83bd11fe2 100644 --- a/arch/powerpc/platforms/pseries/dlpar.c +++ b/arch/powerpc/platforms/pseries/dlpar.c @@ -17,6 +17,7 @@ #include <linux/slab.h> #include <linux/of.h> #include "offline_states.h" +#include "pseries.h" #include <asm/prom.h> #include <asm/machdep.h> @@ -24,11 +25,11 @@ #include <asm/rtas.h> struct cc_workarea { - u32 drc_index; - u32 zero; - u32 name_offset; - u32 prop_length; - u32 prop_offset; + __be32 drc_index; + __be32 zero; + __be32 name_offset; + __be32 prop_length; + __be32 prop_offset; }; void dlpar_free_cc_property(struct property *prop) @@ -48,11 +49,11 @@ static struct property *dlpar_parse_cc_property(struct cc_workarea *ccwa) if (!prop) return NULL; - name = (char *)ccwa + ccwa->name_offset; + name = (char *)ccwa + be32_to_cpu(ccwa->name_offset); prop->name = kstrdup(name, GFP_KERNEL); - prop->length = ccwa->prop_length; - value = (char *)ccwa + ccwa->prop_offset; + prop->length = be32_to_cpu(ccwa->prop_length); + value = (char *)ccwa + be32_to_cpu(ccwa->prop_offset); prop->value = kmemdup(value, prop->length, GFP_KERNEL); if (!prop->value) { dlpar_free_cc_property(prop); @@ -78,7 +79,7 @@ static struct device_node *dlpar_parse_cc_node(struct cc_workarea *ccwa, if (!dn) return NULL; - name = (char *)ccwa + ccwa->name_offset; + name = (char *)ccwa + be32_to_cpu(ccwa->name_offset); dn->full_name = kasprintf(GFP_KERNEL, "%s/%s", path, name); if (!dn->full_name) { kfree(dn); @@ -125,7 +126,7 @@ void dlpar_free_cc_nodes(struct device_node *dn) #define CALL_AGAIN -2 #define ERR_CFG_USE -9003 -struct device_node *dlpar_configure_connector(u32 drc_index, +struct device_node *dlpar_configure_connector(__be32 drc_index, struct device_node *parent) { struct device_node *dn; @@ -363,7 +364,8 @@ static int dlpar_online_cpu(struct device_node *dn) int rc = 0; unsigned int cpu; int len, nthreads, i; - const u32 *intserv; + const __be32 *intserv; + u32 thread; intserv = of_get_property(dn, "ibm,ppc-interrupt-server#s", &len); if (!intserv) @@ -373,8 +375,9 @@ static int dlpar_online_cpu(struct device_node *dn) cpu_maps_update_begin(); for (i = 0; i < nthreads; i++) { + thread = be32_to_cpu(intserv[i]); for_each_present_cpu(cpu) { - if (get_hard_smp_processor_id(cpu) != intserv[i]) + if (get_hard_smp_processor_id(cpu) != thread) continue; BUG_ON(get_cpu_current_state(cpu) != CPU_STATE_OFFLINE); @@ -388,7 +391,7 @@ static int dlpar_online_cpu(struct device_node *dn) } if (cpu == num_possible_cpus()) printk(KERN_WARNING "Could not find cpu to online " - "with physical id 0x%x\n", intserv[i]); + "with physical id 0x%x\n", thread); } cpu_maps_update_done(); @@ -411,7 +414,7 @@ static ssize_t dlpar_cpu_probe(const char *buf, size_t count) if (!parent) return -ENODEV; - dn = dlpar_configure_connector(drc_index, parent); + dn = dlpar_configure_connector(cpu_to_be32(drc_index), parent); if (!dn) return -EINVAL; @@ -442,7 +445,8 @@ static int dlpar_offline_cpu(struct device_node *dn) int rc = 0; unsigned int cpu; int len, nthreads, i; - const u32 *intserv; + const __be32 *intserv; + u32 thread; intserv = of_get_property(dn, "ibm,ppc-interrupt-server#s", &len); if (!intserv) @@ -452,8 +456,9 @@ static int dlpar_offline_cpu(struct device_node *dn) cpu_maps_update_begin(); for (i = 0; i < nthreads; i++) { + thread = be32_to_cpu(intserv[i]); for_each_present_cpu(cpu) { - if (get_hard_smp_processor_id(cpu) != intserv[i]) + if (get_hard_smp_processor_id(cpu) != thread) continue; if (get_cpu_current_state(cpu) == CPU_STATE_OFFLINE) @@ -475,14 +480,14 @@ static int dlpar_offline_cpu(struct device_node *dn) * Upgrade it's state to CPU_STATE_OFFLINE. */ set_preferred_offline_state(cpu, CPU_STATE_OFFLINE); - BUG_ON(plpar_hcall_norets(H_PROD, intserv[i]) + BUG_ON(plpar_hcall_norets(H_PROD, thread) != H_SUCCESS); __cpu_die(cpu); break; } if (cpu == num_possible_cpus()) printk(KERN_WARNING "Could not find cpu to offline " - "with physical id 0x%x\n", intserv[i]); + "with physical id 0x%x\n", thread); } cpu_maps_update_done(); @@ -494,15 +499,15 @@ out: static ssize_t dlpar_cpu_release(const char *buf, size_t count) { struct device_node *dn; - const u32 *drc_index; + u32 drc_index; int rc; dn = of_find_node_by_path(buf); if (!dn) return -EINVAL; - drc_index = of_get_property(dn, "ibm,my-drc-index", NULL); - if (!drc_index) { + rc = of_property_read_u32(dn, "ibm,my-drc-index", &drc_index); + if (rc) { of_node_put(dn); return -EINVAL; } @@ -513,7 +518,7 @@ static ssize_t dlpar_cpu_release(const char *buf, size_t count) return -EINVAL; } - rc = dlpar_release_drc(*drc_index); + rc = dlpar_release_drc(drc_index); if (rc) { of_node_put(dn); return rc; @@ -521,7 +526,7 @@ static ssize_t dlpar_cpu_release(const char *buf, size_t count) rc = dlpar_detach_node(dn); if (rc) { - dlpar_acquire_drc(*drc_index); + dlpar_acquire_drc(drc_index); return rc; } diff --git a/arch/powerpc/platforms/pseries/eeh_pseries.c b/arch/powerpc/platforms/pseries/eeh_pseries.c index b08053819d99..a6c7e19f5eb3 100644 --- a/arch/powerpc/platforms/pseries/eeh_pseries.c +++ b/arch/powerpc/platforms/pseries/eeh_pseries.c @@ -88,29 +88,14 @@ static int pseries_eeh_init(void) * and its variant since the old firmware probably support address * of domain/bus/slot/function for EEH RTAS operations. */ - if (ibm_set_eeh_option == RTAS_UNKNOWN_SERVICE) { - pr_warn("%s: RTAS service <ibm,set-eeh-option> invalid\n", - __func__); - return -EINVAL; - } else if (ibm_set_slot_reset == RTAS_UNKNOWN_SERVICE) { - pr_warn("%s: RTAS service <ibm,set-slot-reset> invalid\n", - __func__); - return -EINVAL; - } else if (ibm_read_slot_reset_state2 == RTAS_UNKNOWN_SERVICE && - ibm_read_slot_reset_state == RTAS_UNKNOWN_SERVICE) { - pr_warn("%s: RTAS service <ibm,read-slot-reset-state2> and " - "<ibm,read-slot-reset-state> invalid\n", - __func__); - return -EINVAL; - } else if (ibm_slot_error_detail == RTAS_UNKNOWN_SERVICE) { - pr_warn("%s: RTAS service <ibm,slot-error-detail> invalid\n", - __func__); - return -EINVAL; - } else if (ibm_configure_pe == RTAS_UNKNOWN_SERVICE && - ibm_configure_bridge == RTAS_UNKNOWN_SERVICE) { - pr_warn("%s: RTAS service <ibm,configure-pe> and " - "<ibm,configure-bridge> invalid\n", - __func__); + if (ibm_set_eeh_option == RTAS_UNKNOWN_SERVICE || + ibm_set_slot_reset == RTAS_UNKNOWN_SERVICE || + (ibm_read_slot_reset_state2 == RTAS_UNKNOWN_SERVICE && + ibm_read_slot_reset_state == RTAS_UNKNOWN_SERVICE) || + ibm_slot_error_detail == RTAS_UNKNOWN_SERVICE || + (ibm_configure_pe == RTAS_UNKNOWN_SERVICE && + ibm_configure_bridge == RTAS_UNKNOWN_SERVICE)) { + pr_info("EEH functionality not supported\n"); return -EINVAL; } @@ -118,11 +103,11 @@ static int pseries_eeh_init(void) spin_lock_init(&slot_errbuf_lock); eeh_error_buf_size = rtas_token("rtas-error-log-max"); if (eeh_error_buf_size == RTAS_UNKNOWN_SERVICE) { - pr_warn("%s: unknown EEH error log size\n", + pr_info("%s: unknown EEH error log size\n", __func__); eeh_error_buf_size = 1024; } else if (eeh_error_buf_size > RTAS_ERROR_LOG_MAX) { - pr_warn("%s: EEH error log size %d exceeds the maximal %d\n", + pr_info("%s: EEH error log size %d exceeds the maximal %d\n", __func__, eeh_error_buf_size, RTAS_ERROR_LOG_MAX); eeh_error_buf_size = RTAS_ERROR_LOG_MAX; } @@ -349,7 +334,9 @@ static int pseries_eeh_set_option(struct eeh_pe *pe, int option) if (pe->addr) config_addr = pe->addr; break; - + case EEH_OPT_FREEZE_PE: + /* Not support */ + return 0; default: pr_err("%s: Invalid option %d\n", __func__, option); @@ -729,6 +716,7 @@ static struct eeh_ops pseries_eeh_ops = { .wait_state = pseries_eeh_wait_state, .get_log = pseries_eeh_get_log, .configure_bridge = pseries_eeh_configure_bridge, + .err_inject = NULL, .read_config = pseries_eeh_read_config, .write_config = pseries_eeh_write_config, .next_error = NULL, diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c index 20d62975856f..5c375f93c669 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -90,7 +90,7 @@ static void rtas_stop_self(void) { static struct rtas_args args = { .nargs = 0, - .nret = 1, + .nret = cpu_to_be32(1), .rets = &args.args[0], }; @@ -247,7 +247,7 @@ static int pseries_add_processor(struct device_node *np) unsigned int cpu; cpumask_var_t candidate_mask, tmp; int err = -ENOSPC, len, nthreads, i; - const u32 *intserv; + const __be32 *intserv; intserv = of_get_property(np, "ibm,ppc-interrupt-server#s", &len); if (!intserv) @@ -293,7 +293,7 @@ static int pseries_add_processor(struct device_node *np) for_each_cpu(cpu, tmp) { BUG_ON(cpu_present(cpu)); set_cpu_present(cpu, true); - set_hard_smp_processor_id(cpu, *intserv++); + set_hard_smp_processor_id(cpu, be32_to_cpu(*intserv++)); } err = 0; out_unlock: @@ -312,7 +312,8 @@ static void pseries_remove_processor(struct device_node *np) { unsigned int cpu; int len, nthreads, i; - const u32 *intserv; + const __be32 *intserv; + u32 thread; intserv = of_get_property(np, "ibm,ppc-interrupt-server#s", &len); if (!intserv) @@ -322,8 +323,9 @@ static void pseries_remove_processor(struct device_node *np) cpu_maps_update_begin(); for (i = 0; i < nthreads; i++) { + thread = be32_to_cpu(intserv[i]); for_each_present_cpu(cpu) { - if (get_hard_smp_processor_id(cpu) != intserv[i]) + if (get_hard_smp_processor_id(cpu) != thread) continue; BUG_ON(cpu_online(cpu)); set_cpu_present(cpu, false); @@ -332,7 +334,7 @@ static void pseries_remove_processor(struct device_node *np) } if (cpu >= nr_cpu_ids) printk(KERN_WARNING "Could not find cpu to remove " - "with physical id 0x%x\n", intserv[i]); + "with physical id 0x%x\n", thread); } cpu_maps_update_done(); } diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index c904583baf4b..3c4c0dcd90d3 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -20,6 +20,7 @@ #include <asm/machdep.h> #include <asm/prom.h> #include <asm/sparsemem.h> +#include "pseries.h" unsigned long pseries_memory_block_size(void) { @@ -113,7 +114,7 @@ out: static int pseries_remove_mem_node(struct device_node *np) { const char *type; - const unsigned int *regs; + const __be32 *regs; unsigned long base; unsigned int lmb_size; int ret = -EINVAL; @@ -126,14 +127,14 @@ static int pseries_remove_mem_node(struct device_node *np) return 0; /* - * Find the bae address and size of the memblock + * Find the base address and size of the memblock */ regs = of_get_property(np, "reg", NULL); if (!regs) return ret; - base = *(unsigned long *)regs; - lmb_size = regs[3]; + base = be64_to_cpu(*(unsigned long *)regs); + lmb_size = be32_to_cpu(regs[3]); pseries_remove_memblock(base, lmb_size); return 0; @@ -153,7 +154,7 @@ static inline int pseries_remove_mem_node(struct device_node *np) static int pseries_add_mem_node(struct device_node *np) { const char *type; - const unsigned int *regs; + const __be32 *regs; unsigned long base; unsigned int lmb_size; int ret = -EINVAL; @@ -172,8 +173,8 @@ static int pseries_add_mem_node(struct device_node *np) if (!regs) return ret; - base = *(unsigned long *)regs; - lmb_size = regs[3]; + base = be64_to_cpu(*(unsigned long *)regs); + lmb_size = be32_to_cpu(regs[3]); /* * Update memory region to represent the memory add @@ -187,44 +188,46 @@ static int pseries_update_drconf_memory(struct of_prop_reconfig *pr) struct of_drconf_cell *new_drmem, *old_drmem; unsigned long memblock_size; u32 entries; - u32 *p; + __be32 *p; int i, rc = -EINVAL; memblock_size = pseries_memory_block_size(); if (!memblock_size) return -EINVAL; - p = (u32 *) pr->old_prop->value; + p = (__be32 *) pr->old_prop->value; if (!p) return -EINVAL; /* The first int of the property is the number of lmb's described * by the property. This is followed by an array of of_drconf_cell - * entries. Get the niumber of entries and skip to the array of + * entries. Get the number of entries and skip to the array of * of_drconf_cell's. */ - entries = *p++; + entries = be32_to_cpu(*p++); old_drmem = (struct of_drconf_cell *)p; - p = (u32 *)pr->prop->value; + p = (__be32 *)pr->prop->value; p++; new_drmem = (struct of_drconf_cell *)p; for (i = 0; i < entries; i++) { - if ((old_drmem[i].flags & DRCONF_MEM_ASSIGNED) && - (!(new_drmem[i].flags & DRCONF_MEM_ASSIGNED))) { - rc = pseries_remove_memblock(old_drmem[i].base_addr, + if ((be32_to_cpu(old_drmem[i].flags) & DRCONF_MEM_ASSIGNED) && + (!(be32_to_cpu(new_drmem[i].flags) & DRCONF_MEM_ASSIGNED))) { + rc = pseries_remove_memblock( + be64_to_cpu(old_drmem[i].base_addr), memblock_size); break; - } else if ((!(old_drmem[i].flags & DRCONF_MEM_ASSIGNED)) && - (new_drmem[i].flags & DRCONF_MEM_ASSIGNED)) { - rc = memblock_add(old_drmem[i].base_addr, + } else if ((!(be32_to_cpu(old_drmem[i].flags) & + DRCONF_MEM_ASSIGNED)) && + (be32_to_cpu(new_drmem[i].flags) & + DRCONF_MEM_ASSIGNED)) { + rc = memblock_add(be64_to_cpu(old_drmem[i].base_addr), memblock_size); rc = (rc < 0) ? -EINVAL : 0; break; } } - return rc; } diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index 4642d6a4d356..e32e00976a94 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -30,7 +30,6 @@ #include <linux/mm.h> #include <linux/memblock.h> #include <linux/spinlock.h> -#include <linux/sched.h> /* for show_stack */ #include <linux/string.h> #include <linux/pci.h> #include <linux/dma-mapping.h> @@ -168,7 +167,7 @@ static int tce_build_pSeriesLP(struct iommu_table *tbl, long tcenum, printk("\tindex = 0x%llx\n", (u64)tbl->it_index); printk("\ttcenum = 0x%llx\n", (u64)tcenum); printk("\ttce val = 0x%llx\n", tce ); - show_stack(current, (unsigned long *)__get_SP()); + dump_stack(); } tcenum++; @@ -257,7 +256,7 @@ static int tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum, printk("\tindex = 0x%llx\n", (u64)tbl->it_index); printk("\tnpages = 0x%llx\n", (u64)npages); printk("\ttce[0] val = 0x%llx\n", tcep[0]); - show_stack(current, (unsigned long *)__get_SP()); + dump_stack(); } return ret; } @@ -273,7 +272,7 @@ static void tce_free_pSeriesLP(struct iommu_table *tbl, long tcenum, long npages printk("tce_free_pSeriesLP: plpar_tce_put failed. rc=%lld\n", rc); printk("\tindex = 0x%llx\n", (u64)tbl->it_index); printk("\ttcenum = 0x%llx\n", (u64)tcenum); - show_stack(current, (unsigned long *)__get_SP()); + dump_stack(); } tcenum++; @@ -292,7 +291,7 @@ static void tce_freemulti_pSeriesLP(struct iommu_table *tbl, long tcenum, long n printk("\trc = %lld\n", rc); printk("\tindex = 0x%llx\n", (u64)tbl->it_index); printk("\tnpages = 0x%llx\n", (u64)npages); - show_stack(current, (unsigned long *)__get_SP()); + dump_stack(); } } @@ -307,7 +306,7 @@ static unsigned long tce_get_pSeriesLP(struct iommu_table *tbl, long tcenum) printk("tce_get_pSeriesLP: plpar_tce_get failed. rc=%lld\n", rc); printk("\tindex = 0x%llx\n", (u64)tbl->it_index); printk("\ttcenum = 0x%llx\n", (u64)tcenum); - show_stack(current, (unsigned long *)__get_SP()); + dump_stack(); } return tce_ret; @@ -329,16 +328,16 @@ struct direct_window { /* Dynamic DMA Window support */ struct ddw_query_response { - __be32 windows_available; - __be32 largest_available_block; - __be32 page_size; - __be32 migration_capable; + u32 windows_available; + u32 largest_available_block; + u32 page_size; + u32 migration_capable; }; struct ddw_create_response { - __be32 liobn; - __be32 addr_hi; - __be32 addr_lo; + u32 liobn; + u32 addr_hi; + u32 addr_lo; }; static LIST_HEAD(direct_window_list); @@ -725,16 +724,18 @@ static void remove_ddw(struct device_node *np, bool remove_prop) { struct dynamic_dma_window_prop *dwp; struct property *win64; - const u32 *ddw_avail; + u32 ddw_avail[3]; u64 liobn; - int len, ret = 0; + int ret = 0; + + ret = of_property_read_u32_array(np, "ibm,ddw-applicable", + &ddw_avail[0], 3); - ddw_avail = of_get_property(np, "ibm,ddw-applicable", &len); win64 = of_find_property(np, DIRECT64_PROPNAME, NULL); if (!win64) return; - if (!ddw_avail || len < 3 * sizeof(u32) || win64->length < sizeof(*dwp)) + if (ret || win64->length < sizeof(*dwp)) goto delprop; dwp = win64->value; @@ -872,8 +873,9 @@ static int create_ddw(struct pci_dev *dev, const u32 *ddw_avail, do { /* extra outputs are LIOBN and dma-addr (hi, lo) */ - ret = rtas_call(ddw_avail[1], 5, 4, (u32 *)create, cfg_addr, - BUID_HI(buid), BUID_LO(buid), page_shift, window_shift); + ret = rtas_call(ddw_avail[1], 5, 4, (u32 *)create, + cfg_addr, BUID_HI(buid), BUID_LO(buid), + page_shift, window_shift); } while (rtas_busy_delay(ret)); dev_info(&dev->dev, "ibm,create-pe-dma-window(%x) %x %x %x %x %x returned %d " @@ -910,7 +912,7 @@ static u64 enable_ddw(struct pci_dev *dev, struct device_node *pdn) int page_shift; u64 dma_addr, max_addr; struct device_node *dn; - const u32 *uninitialized_var(ddw_avail); + u32 ddw_avail[3]; struct direct_window *window; struct property *win64; struct dynamic_dma_window_prop *ddwprop; @@ -942,8 +944,9 @@ static u64 enable_ddw(struct pci_dev *dev, struct device_node *pdn) * for the given node in that order. * the property is actually in the parent, not the PE */ - ddw_avail = of_get_property(pdn, "ibm,ddw-applicable", &len); - if (!ddw_avail || len < 3 * sizeof(u32)) + ret = of_property_read_u32_array(pdn, "ibm,ddw-applicable", + &ddw_avail[0], 3); + if (ret) goto out_failed; /* @@ -966,11 +969,11 @@ static u64 enable_ddw(struct pci_dev *dev, struct device_node *pdn) dev_dbg(&dev->dev, "no free dynamic windows"); goto out_failed; } - if (be32_to_cpu(query.page_size) & 4) { + if (query.page_size & 4) { page_shift = 24; /* 16MB */ - } else if (be32_to_cpu(query.page_size) & 2) { + } else if (query.page_size & 2) { page_shift = 16; /* 64kB */ - } else if (be32_to_cpu(query.page_size) & 1) { + } else if (query.page_size & 1) { page_shift = 12; /* 4kB */ } else { dev_dbg(&dev->dev, "no supported direct page size in mask %x", @@ -980,7 +983,7 @@ static u64 enable_ddw(struct pci_dev *dev, struct device_node *pdn) /* verify the window * number of ptes will map the partition */ /* check largest block * page size > max memory hotplug addr */ max_addr = memory_hotplug_max(); - if (be32_to_cpu(query.largest_available_block) < (max_addr >> page_shift)) { + if (query.largest_available_block < (max_addr >> page_shift)) { dev_dbg(&dev->dev, "can't map partiton max 0x%llx with %u " "%llu-sized pages\n", max_addr, query.largest_available_block, 1ULL << page_shift); @@ -1006,8 +1009,9 @@ static u64 enable_ddw(struct pci_dev *dev, struct device_node *pdn) if (ret != 0) goto out_free_prop; - ddwprop->liobn = create.liobn; - ddwprop->dma_base = cpu_to_be64(of_read_number(&create.addr_hi, 2)); + ddwprop->liobn = cpu_to_be32(create.liobn); + ddwprop->dma_base = cpu_to_be64(((u64)create.addr_hi << 32) | + create.addr_lo); ddwprop->tce_shift = cpu_to_be32(page_shift); ddwprop->window_shift = cpu_to_be32(len); @@ -1039,7 +1043,7 @@ static u64 enable_ddw(struct pci_dev *dev, struct device_node *pdn) list_add(&window->list, &direct_window_list); spin_unlock(&direct_window_list_lock); - dma_addr = of_read_number(&create.addr_hi, 2); + dma_addr = be64_to_cpu(ddwprop->dma_base); goto out_unlock; out_free_window: diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index 34e64237fff9..8c509d5397c6 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -59,8 +59,6 @@ EXPORT_SYMBOL(plpar_hcall); EXPORT_SYMBOL(plpar_hcall9); EXPORT_SYMBOL(plpar_hcall_norets); -extern void pSeries_find_serial_port(void); - void vpa_init(int cpu) { int hwcpu = get_hard_smp_processor_id(cpu); @@ -642,7 +640,7 @@ EXPORT_SYMBOL(arch_free_page); #endif #ifdef CONFIG_TRACEPOINTS -#ifdef CONFIG_JUMP_LABEL +#ifdef HAVE_JUMP_LABEL struct static_key hcall_tracepoint_key = STATIC_KEY_INIT; void hcall_tracepoint_regfunc(void) diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c index 18ff4626d74e..8ab5add4ac82 100644 --- a/arch/powerpc/platforms/pseries/msi.c +++ b/arch/powerpc/platforms/pseries/msi.c @@ -336,26 +336,6 @@ out: return request; } -static int rtas_msi_check_device(struct pci_dev *pdev, int nvec, int type) -{ - int quota, rc; - - if (type == PCI_CAP_ID_MSIX) - rc = check_req_msix(pdev, nvec); - else - rc = check_req_msi(pdev, nvec); - - if (rc) - return rc; - - quota = msi_quota_for_device(pdev, nvec); - - if (quota && quota < nvec) - return quota; - - return 0; -} - static int check_msix_entries(struct pci_dev *pdev) { struct msi_desc *entry; @@ -397,15 +377,24 @@ static void rtas_hack_32bit_msi_gen2(struct pci_dev *pdev) static int rtas_setup_msi_irqs(struct pci_dev *pdev, int nvec_in, int type) { struct pci_dn *pdn; - int hwirq, virq, i, rc; + int hwirq, virq, i, quota, rc; struct msi_desc *entry; struct msi_msg msg; int nvec = nvec_in; int use_32bit_msi_hack = 0; - pdn = pci_get_pdn(pdev); - if (!pdn) - return -ENODEV; + if (type == PCI_CAP_ID_MSIX) + rc = check_req_msix(pdev, nvec); + else + rc = check_req_msi(pdev, nvec); + + if (rc) + return rc; + + quota = msi_quota_for_device(pdev, nvec); + + if (quota && quota < nvec) + return quota; if (type == PCI_CAP_ID_MSIX && check_msix_entries(pdev)) return -EINVAL; @@ -416,12 +405,14 @@ static int rtas_setup_msi_irqs(struct pci_dev *pdev, int nvec_in, int type) */ if (type == PCI_CAP_ID_MSIX) { int m = roundup_pow_of_two(nvec); - int quota = msi_quota_for_device(pdev, m); + quota = msi_quota_for_device(pdev, m); if (quota >= m) nvec = m; } + pdn = pci_get_pdn(pdev); + /* * Try the new more explicit firmware interface, if that fails fall * back to the old interface. The old interface is known to never @@ -485,7 +476,7 @@ again: irq_set_msi_desc(virq, entry); /* Read config space back so we can restore after reset */ - read_msi_msg(virq, &msg); + __read_msi_msg(entry, &msg); entry->msg = msg; } @@ -526,7 +517,6 @@ static int rtas_msi_init(void) WARN_ON(ppc_md.setup_msi_irqs); ppc_md.setup_msi_irqs = rtas_setup_msi_irqs; ppc_md.teardown_msi_irqs = rtas_teardown_msi_irqs; - ppc_md.msi_check_device = rtas_msi_check_device; WARN_ON(ppc_md.pci_irq_fixup); ppc_md.pci_irq_fixup = rtas_msi_pci_irq_fixup; diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c index 0cc240b7f694..11a3b617ef5d 100644 --- a/arch/powerpc/platforms/pseries/nvram.c +++ b/arch/powerpc/platforms/pseries/nvram.c @@ -276,8 +276,10 @@ static ssize_t pSeries_nvram_get_size(void) * sequence #: The unique sequence # for each event. (until it wraps) * error log: The error log from event_scan */ -int nvram_write_os_partition(struct nvram_os_partition *part, char * buff, - int length, unsigned int err_type, unsigned int error_log_cnt) +static int nvram_write_os_partition(struct nvram_os_partition *part, + char *buff, int length, + unsigned int err_type, + unsigned int error_log_cnt) { int rc; loff_t tmp_index; @@ -330,9 +332,9 @@ int nvram_write_error_log(char * buff, int length, * * Reads nvram partition for at most 'length' */ -int nvram_read_partition(struct nvram_os_partition *part, char *buff, - int length, unsigned int *err_type, - unsigned int *error_log_cnt) +static int nvram_read_partition(struct nvram_os_partition *part, char *buff, + int length, unsigned int *err_type, + unsigned int *error_log_cnt) { int rc; loff_t tmp_index; diff --git a/arch/powerpc/platforms/pseries/pci.c b/arch/powerpc/platforms/pseries/pci.c index c413ec158ff5..67e48594040c 100644 --- a/arch/powerpc/platforms/pseries/pci.c +++ b/arch/powerpc/platforms/pseries/pci.c @@ -29,6 +29,7 @@ #include <asm/pci-bridge.h> #include <asm/prom.h> #include <asm/ppc-pci.h> +#include "pseries.h" #if 0 void pcibios_name_device(struct pci_dev *dev) diff --git a/arch/powerpc/platforms/pseries/pseries.h b/arch/powerpc/platforms/pseries/pseries.h index 361add62abf1..1796c5438cc6 100644 --- a/arch/powerpc/platforms/pseries/pseries.h +++ b/arch/powerpc/platforms/pseries/pseries.h @@ -56,7 +56,8 @@ extern void hvc_vio_init_early(void); /* Dynamic logical Partitioning/Mobility */ extern void dlpar_free_cc_nodes(struct device_node *); extern void dlpar_free_cc_property(struct property *); -extern struct device_node *dlpar_configure_connector(u32, struct device_node *); +extern struct device_node *dlpar_configure_connector(__be32, + struct device_node *); extern int dlpar_attach_node(struct device_node *); extern int dlpar_detach_node(struct device_node *); diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c index dff05b9eb946..5a4d0fc03b03 100644 --- a/arch/powerpc/platforms/pseries/ras.c +++ b/arch/powerpc/platforms/pseries/ras.c @@ -126,7 +126,7 @@ struct epow_errorlog { #define EPOW_MAIN_ENCLOSURE 5 #define EPOW_POWER_OFF 7 -void rtas_parse_epow_errlog(struct rtas_error_log *log) +static void rtas_parse_epow_errlog(struct rtas_error_log *log) { struct pseries_errorlog *pseries_log; struct epow_errorlog *epow_log; diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index e724d3186e73..125c589eeef5 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -561,7 +561,7 @@ void pSeries_coalesce_init(void) * fw_cmo_feature_init - FW_FEATURE_CMO is not stored in ibm,hypertas-functions, * handle that here. (Stolen from parse_system_parameter_string) */ -void pSeries_cmo_feature_init(void) +static void pSeries_cmo_feature_init(void) { char *ptr, *key, *value, *end; int call_status; |