diff options
Diffstat (limited to 'arch/powerpc/sysdev')
-rw-r--r-- | arch/powerpc/sysdev/fsl_msi.c | 9 | ||||
-rw-r--r-- | arch/powerpc/sysdev/fsl_pci.c | 3 | ||||
-rw-r--r-- | arch/powerpc/sysdev/fsl_rio.c | 104 | ||||
-rw-r--r-- | arch/powerpc/sysdev/fsl_rio.h | 13 | ||||
-rw-r--r-- | arch/powerpc/sysdev/fsl_soc.c | 5 | ||||
-rw-r--r-- | arch/powerpc/sysdev/ipic.c | 1 | ||||
-rw-r--r-- | arch/powerpc/sysdev/mpc5xxx_clocks.c | 3 | ||||
-rw-r--r-- | arch/powerpc/sysdev/mpic.c | 1 | ||||
-rw-r--r-- | arch/powerpc/sysdev/mpic_pasemi_msi.c | 7 | ||||
-rw-r--r-- | arch/powerpc/sysdev/mpic_u3msi.c | 7 | ||||
-rw-r--r-- | arch/powerpc/sysdev/ppc4xx_cpm.c | 8 | ||||
-rw-r--r-- | arch/powerpc/sysdev/ppc4xx_hsta_msi.c | 2 | ||||
-rw-r--r-- | arch/powerpc/sysdev/ppc4xx_msi.c | 3 | ||||
-rw-r--r-- | arch/powerpc/sysdev/ppc4xx_pci.c | 1 | ||||
-rw-r--r-- | arch/powerpc/sysdev/qe_lib/qe.c | 1 | ||||
-rw-r--r-- | arch/powerpc/sysdev/qe_lib/qe_ic.c | 1 | ||||
-rw-r--r-- | arch/powerpc/sysdev/uic.c | 1 | ||||
-rw-r--r-- | arch/powerpc/sysdev/xics/ics-opal.c | 2 | ||||
-rw-r--r-- | arch/powerpc/sysdev/xics/ics-rtas.c | 2 | ||||
-rw-r--r-- | arch/powerpc/sysdev/xics/xics-common.c | 2 |
20 files changed, 140 insertions, 36 deletions
diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c index e596444fb024..4bbb4b8dfd09 100644 --- a/arch/powerpc/sysdev/fsl_msi.c +++ b/arch/powerpc/sysdev/fsl_msi.c @@ -13,7 +13,6 @@ * */ #include <linux/irq.h> -#include <linux/bootmem.h> #include <linux/msi.h> #include <linux/pci.h> #include <linux/slab.h> @@ -82,8 +81,8 @@ static void fsl_msi_print_chip(struct irq_data *irqd, struct seq_file *p) static struct irq_chip fsl_msi_chip = { - .irq_mask = mask_msi_irq, - .irq_unmask = unmask_msi_irq, + .irq_mask = pci_msi_mask_irq, + .irq_unmask = pci_msi_unmask_irq, .irq_ack = fsl_msi_end_irq, .irq_print_chip = fsl_msi_print_chip, }; @@ -242,7 +241,7 @@ static int fsl_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) irq_set_msi_desc(virq, entry); fsl_compose_msi_msg(pdev, hwirq, &msg, msi_data); - write_msi_msg(virq, &msg); + pci_write_msi_msg(virq, &msg); } return 0; @@ -361,7 +360,7 @@ static int fsl_msi_setup_hwirq(struct fsl_msi *msi, struct platform_device *dev, cascade_data->virq = virt_msir; msi->cascade_array[irq_index] = cascade_data; - ret = request_irq(virt_msir, fsl_msi_cascade, 0, + ret = request_irq(virt_msir, fsl_msi_cascade, IRQF_NO_THREAD, "fsl-msi-cascade", cascade_data); if (ret) { dev_err(&dev->dev, "failed to request_irq(%d), ret = %d\n", diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index 65d2ed4549e6..6455c1eada1a 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -23,7 +23,6 @@ #include <linux/string.h> #include <linux/init.h> #include <linux/interrupt.h> -#include <linux/bootmem.h> #include <linux/memblock.h> #include <linux/log2.h> #include <linux/slab.h> @@ -152,7 +151,7 @@ static int setup_one_atmu(struct ccsr_pci __iomem *pci, flags |= 0x10000000; /* enable relaxed ordering */ for (i = 0; size > 0; i++) { - unsigned int bits = min(ilog2(size), + unsigned int bits = min_t(u32, ilog2(size), __ffs(pci_addr | phys_addr)); if (index + i >= 5) diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c index 39d32480f0eb..c1cd3698f534 100644 --- a/arch/powerpc/sysdev/fsl_rio.c +++ b/arch/powerpc/sysdev/fsl_rio.c @@ -58,6 +58,19 @@ #define RIO_ISR_AACR 0x10120 #define RIO_ISR_AACR_AA 0x1 /* Accept All ID */ +#define RIWTAR_TRAD_VAL_SHIFT 12 +#define RIWTAR_TRAD_MASK 0x00FFFFFF +#define RIWBAR_BADD_VAL_SHIFT 12 +#define RIWBAR_BADD_MASK 0x003FFFFF +#define RIWAR_ENABLE 0x80000000 +#define RIWAR_TGINT_LOCAL 0x00F00000 +#define RIWAR_RDTYP_NO_SNOOP 0x00040000 +#define RIWAR_RDTYP_SNOOP 0x00050000 +#define RIWAR_WRTYP_NO_SNOOP 0x00004000 +#define RIWAR_WRTYP_SNOOP 0x00005000 +#define RIWAR_WRTYP_ALLOC 0x00006000 +#define RIWAR_SIZE_MASK 0x0000003F + #define __fsl_read_rio_config(x, addr, err, op) \ __asm__ __volatile__( \ "1: "op" %1,0(%2)\n" \ @@ -266,6 +279,89 @@ fsl_rio_config_write(struct rio_mport *mport, int index, u16 destid, return 0; } +static void fsl_rio_inbound_mem_init(struct rio_priv *priv) +{ + int i; + + /* close inbound windows */ + for (i = 0; i < RIO_INB_ATMU_COUNT; i++) + out_be32(&priv->inb_atmu_regs[i].riwar, 0); +} + +int fsl_map_inb_mem(struct rio_mport *mport, dma_addr_t lstart, + u64 rstart, u32 size, u32 flags) +{ + struct rio_priv *priv = mport->priv; + u32 base_size; + unsigned int base_size_log; + u64 win_start, win_end; + u32 riwar; + int i; + + if ((size & (size - 1)) != 0) + return -EINVAL; + + base_size_log = ilog2(size); + base_size = 1 << base_size_log; + + /* check if addresses are aligned with the window size */ + if (lstart & (base_size - 1)) + return -EINVAL; + if (rstart & (base_size - 1)) + return -EINVAL; + + /* check for conflicting ranges */ + for (i = 0; i < RIO_INB_ATMU_COUNT; i++) { + riwar = in_be32(&priv->inb_atmu_regs[i].riwar); + if ((riwar & RIWAR_ENABLE) == 0) + continue; + win_start = ((u64)(in_be32(&priv->inb_atmu_regs[i].riwbar) & RIWBAR_BADD_MASK)) + << RIWBAR_BADD_VAL_SHIFT; + win_end = win_start + ((1 << ((riwar & RIWAR_SIZE_MASK) + 1)) - 1); + if (rstart < win_end && (rstart + size) > win_start) + return -EINVAL; + } + + /* find unused atmu */ + for (i = 0; i < RIO_INB_ATMU_COUNT; i++) { + riwar = in_be32(&priv->inb_atmu_regs[i].riwar); + if ((riwar & RIWAR_ENABLE) == 0) + break; + } + if (i >= RIO_INB_ATMU_COUNT) + return -ENOMEM; + + out_be32(&priv->inb_atmu_regs[i].riwtar, lstart >> RIWTAR_TRAD_VAL_SHIFT); + out_be32(&priv->inb_atmu_regs[i].riwbar, rstart >> RIWBAR_BADD_VAL_SHIFT); + out_be32(&priv->inb_atmu_regs[i].riwar, RIWAR_ENABLE | RIWAR_TGINT_LOCAL | + RIWAR_RDTYP_SNOOP | RIWAR_WRTYP_SNOOP | (base_size_log - 1)); + + return 0; +} + +void fsl_unmap_inb_mem(struct rio_mport *mport, dma_addr_t lstart) +{ + u32 win_start_shift, base_start_shift; + struct rio_priv *priv = mport->priv; + u32 riwar, riwtar; + int i; + + /* skip default window */ + base_start_shift = lstart >> RIWTAR_TRAD_VAL_SHIFT; + for (i = 0; i < RIO_INB_ATMU_COUNT; i++) { + riwar = in_be32(&priv->inb_atmu_regs[i].riwar); + if ((riwar & RIWAR_ENABLE) == 0) + continue; + + riwtar = in_be32(&priv->inb_atmu_regs[i].riwtar); + win_start_shift = riwtar & RIWTAR_TRAD_MASK; + if (win_start_shift == base_start_shift) { + out_be32(&priv->inb_atmu_regs[i].riwar, riwar & ~RIWAR_ENABLE); + return; + } + } +} + void fsl_rio_port_error_handler(int offset) { /*XXX: Error recovery is not implemented, we just clear errors */ @@ -389,6 +485,8 @@ int fsl_rio_setup(struct platform_device *dev) ops->add_outb_message = fsl_add_outb_message; ops->add_inb_buffer = fsl_add_inb_buffer; ops->get_inb_message = fsl_get_inb_message; + ops->map_inb = fsl_map_inb_mem; + ops->unmap_inb = fsl_unmap_inb_mem; rmu_node = of_parse_phandle(dev->dev.of_node, "fsl,srio-rmu-handle", 0); if (!rmu_node) { @@ -602,6 +700,11 @@ int fsl_rio_setup(struct platform_device *dev) RIO_ATMU_REGS_PORT2_OFFSET)); priv->maint_atmu_regs = priv->atmu_regs + 1; + priv->inb_atmu_regs = (struct rio_inb_atmu_regs __iomem *) + (priv->regs_win + + ((i == 0) ? RIO_INB_ATMU_REGS_PORT1_OFFSET : + RIO_INB_ATMU_REGS_PORT2_OFFSET)); + /* Set to receive any dist ID for serial RapidIO controller. */ if (port->phy_type == RIO_PHY_SERIAL) @@ -620,6 +723,7 @@ int fsl_rio_setup(struct platform_device *dev) rio_law_start = range_start; fsl_rio_setup_rmu(port, rmu_np[i]); + fsl_rio_inbound_mem_init(priv); dbell->mport[i] = port; diff --git a/arch/powerpc/sysdev/fsl_rio.h b/arch/powerpc/sysdev/fsl_rio.h index ae8e27405a0d..d53407a34f32 100644 --- a/arch/powerpc/sysdev/fsl_rio.h +++ b/arch/powerpc/sysdev/fsl_rio.h @@ -50,9 +50,12 @@ #define RIO_S_DBELL_REGS_OFFSET 0x13400 #define RIO_S_PW_REGS_OFFSET 0x134e0 #define RIO_ATMU_REGS_DBELL_OFFSET 0x10C40 +#define RIO_INB_ATMU_REGS_PORT1_OFFSET 0x10d60 +#define RIO_INB_ATMU_REGS_PORT2_OFFSET 0x10f60 #define MAX_MSG_UNIT_NUM 2 #define MAX_PORT_NUM 4 +#define RIO_INB_ATMU_COUNT 4 struct rio_atmu_regs { u32 rowtar; @@ -63,6 +66,15 @@ struct rio_atmu_regs { u32 pad2[3]; }; +struct rio_inb_atmu_regs { + u32 riwtar; + u32 pad1; + u32 riwbar; + u32 pad2; + u32 riwar; + u32 pad3[3]; +}; + struct rio_dbell_ring { void *virt; dma_addr_t phys; @@ -99,6 +111,7 @@ struct rio_priv { void __iomem *regs_win; struct rio_atmu_regs __iomem *atmu_regs; struct rio_atmu_regs __iomem *maint_atmu_regs; + struct rio_inb_atmu_regs __iomem *inb_atmu_regs; void __iomem *maint_win; void *rmm_handle; /* RapidIO message manager(unit) Handle */ }; diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c index ffd1169ebaab..99269c041615 100644 --- a/arch/powerpc/sysdev/fsl_soc.c +++ b/arch/powerpc/sysdev/fsl_soc.c @@ -197,8 +197,7 @@ static int __init setup_rstcr(void) if (!rstcr && ppc_md.restart == fsl_rstcr_restart) printk(KERN_ERR "No RSTCR register, warm reboot won't work\n"); - if (np) - of_node_put(np); + of_node_put(np); return 0; } @@ -238,7 +237,7 @@ void fsl_hv_restart(char *cmd) /* * Halt the current partition * - * This function should be assigned to the ppc_md.power_off and ppc_md.halt + * This function should be assigned to the pm_power_off and ppc_md.halt * function pointers, to shut down the partition when we're running under * the Freescale hypervisor. */ diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c index b50f97811c25..b28733727ed3 100644 --- a/arch/powerpc/sysdev/ipic.c +++ b/arch/powerpc/sysdev/ipic.c @@ -20,7 +20,6 @@ #include <linux/signal.h> #include <linux/syscore_ops.h> #include <linux/device.h> -#include <linux/bootmem.h> #include <linux/spinlock.h> #include <linux/fsl_devices.h> #include <asm/irq.h> diff --git a/arch/powerpc/sysdev/mpc5xxx_clocks.c b/arch/powerpc/sysdev/mpc5xxx_clocks.c index 5492dc5f56f4..f4f0301b9a60 100644 --- a/arch/powerpc/sysdev/mpc5xxx_clocks.c +++ b/arch/powerpc/sysdev/mpc5xxx_clocks.c @@ -26,8 +26,7 @@ unsigned long mpc5xxx_get_bus_frequency(struct device_node *node) of_node_put(node); node = np; } - if (node) - of_node_put(node); + of_node_put(node); return p_bus_freq ? *p_bus_freq : 0; } diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 89cec0ed6a58..c4648ad5c1f3 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -24,7 +24,6 @@ #include <linux/irq.h> #include <linux/smp.h> #include <linux/interrupt.h> -#include <linux/bootmem.h> #include <linux/spinlock.h> #include <linux/pci.h> #include <linux/slab.h> diff --git a/arch/powerpc/sysdev/mpic_pasemi_msi.c b/arch/powerpc/sysdev/mpic_pasemi_msi.c index 15dccd35fa11..a3f660eed6de 100644 --- a/arch/powerpc/sysdev/mpic_pasemi_msi.c +++ b/arch/powerpc/sysdev/mpic_pasemi_msi.c @@ -16,7 +16,6 @@ #undef DEBUG #include <linux/irq.h> -#include <linux/bootmem.h> #include <linux/msi.h> #include <asm/mpic.h> #include <asm/prom.h> @@ -42,7 +41,7 @@ static struct mpic *msi_mpic; static void mpic_pasemi_msi_mask_irq(struct irq_data *data) { pr_debug("mpic_pasemi_msi_mask_irq %d\n", data->irq); - mask_msi_irq(data); + pci_msi_mask_irq(data); mpic_mask_irq(data); } @@ -50,7 +49,7 @@ static void mpic_pasemi_msi_unmask_irq(struct irq_data *data) { pr_debug("mpic_pasemi_msi_unmask_irq %d\n", data->irq); mpic_unmask_irq(data); - unmask_msi_irq(data); + pci_msi_unmask_irq(data); } static struct irq_chip mpic_pasemi_msi_chip = { @@ -136,7 +135,7 @@ static int pasemi_msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) * register to generate MSI [512...1023] */ msg.data = hwirq-0x200; - write_msi_msg(virq, &msg); + pci_write_msi_msg(virq, &msg); } return 0; diff --git a/arch/powerpc/sysdev/mpic_u3msi.c b/arch/powerpc/sysdev/mpic_u3msi.c index 623d7fba15b4..b2cef1809389 100644 --- a/arch/powerpc/sysdev/mpic_u3msi.c +++ b/arch/powerpc/sysdev/mpic_u3msi.c @@ -10,7 +10,6 @@ */ #include <linux/irq.h> -#include <linux/bootmem.h> #include <linux/msi.h> #include <asm/mpic.h> #include <asm/prom.h> @@ -25,14 +24,14 @@ static struct mpic *msi_mpic; static void mpic_u3msi_mask_irq(struct irq_data *data) { - mask_msi_irq(data); + pci_msi_mask_irq(data); mpic_mask_irq(data); } static void mpic_u3msi_unmask_irq(struct irq_data *data) { mpic_unmask_irq(data); - unmask_msi_irq(data); + pci_msi_unmask_irq(data); } static struct irq_chip mpic_u3msi_chip = { @@ -171,7 +170,7 @@ static int u3msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) printk("u3msi: allocated virq 0x%x (hw 0x%x) addr 0x%lx\n", virq, hwirq, (unsigned long)addr); msg.data = hwirq; - write_msi_msg(virq, &msg); + pci_write_msi_msg(virq, &msg); hwirq++; } diff --git a/arch/powerpc/sysdev/ppc4xx_cpm.c b/arch/powerpc/sysdev/ppc4xx_cpm.c index 82e2cfe35c62..ba95adf81d8d 100644 --- a/arch/powerpc/sysdev/ppc4xx_cpm.c +++ b/arch/powerpc/sysdev/ppc4xx_cpm.c @@ -281,7 +281,7 @@ static int __init cpm_init(void) printk(KERN_ERR "cpm: could not parse dcr property for %s\n", np->full_name); ret = -EINVAL; - goto out; + goto node_put; } cpm.dcr_host = dcr_map(np, dcr_base, dcr_len); @@ -290,7 +290,7 @@ static int __init cpm_init(void) printk(KERN_ERR "cpm: failed to map dcr property for %s\n", np->full_name); ret = -EINVAL; - goto out; + goto node_put; } /* All 4xx SoCs with a CPM controller have one of two @@ -330,9 +330,9 @@ static int __init cpm_init(void) if (cpm.standby || cpm.suspend) suspend_set_ops(&cpm_suspend_ops); +node_put: + of_node_put(np); out: - if (np) - of_node_put(np); return ret; } diff --git a/arch/powerpc/sysdev/ppc4xx_hsta_msi.c b/arch/powerpc/sysdev/ppc4xx_hsta_msi.c index f51fcebb559e..ed9970ff8d94 100644 --- a/arch/powerpc/sysdev/ppc4xx_hsta_msi.c +++ b/arch/powerpc/sysdev/ppc4xx_hsta_msi.c @@ -85,7 +85,7 @@ static int hsta_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) msi_bitmap_free_hwirqs(&ppc4xx_hsta_msi.bmp, irq, 1); return -EINVAL; } - write_msi_msg(hwirq, &msg); + pci_write_msi_msg(hwirq, &msg); } return 0; diff --git a/arch/powerpc/sysdev/ppc4xx_msi.c b/arch/powerpc/sysdev/ppc4xx_msi.c index 96eaaa026849..6e2e6aa378bb 100644 --- a/arch/powerpc/sysdev/ppc4xx_msi.c +++ b/arch/powerpc/sysdev/ppc4xx_msi.c @@ -22,7 +22,6 @@ */ #include <linux/irq.h> -#include <linux/bootmem.h> #include <linux/pci.h> #include <linux/msi.h> #include <linux/of_platform.h> @@ -116,7 +115,7 @@ static int ppc4xx_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) irq_set_msi_desc(virq, entry); msg.data = int_no; - write_msi_msg(virq, &msg); + pci_write_msi_msg(virq, &msg); } return 0; } diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c index df6e2fc4ff92..086aca69ecae 100644 --- a/arch/powerpc/sysdev/ppc4xx_pci.c +++ b/arch/powerpc/sysdev/ppc4xx_pci.c @@ -22,7 +22,6 @@ #include <linux/pci.h> #include <linux/init.h> #include <linux/of.h> -#include <linux/bootmem.h> #include <linux/delay.h> #include <linux/slab.h> diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c index a06f83ee63a5..1f29cee8da7b 100644 --- a/arch/powerpc/sysdev/qe_lib/qe.c +++ b/arch/powerpc/sysdev/qe_lib/qe.c @@ -22,7 +22,6 @@ #include <linux/spinlock.h> #include <linux/mm.h> #include <linux/interrupt.h> -#include <linux/bootmem.h> #include <linux/module.h> #include <linux/delay.h> #include <linux/ioport.h> diff --git a/arch/powerpc/sysdev/qe_lib/qe_ic.c b/arch/powerpc/sysdev/qe_lib/qe_ic.c index b2b87c30e266..543765e1ef14 100644 --- a/arch/powerpc/sysdev/qe_lib/qe_ic.c +++ b/arch/powerpc/sysdev/qe_lib/qe_ic.c @@ -23,7 +23,6 @@ #include <linux/sched.h> #include <linux/signal.h> #include <linux/device.h> -#include <linux/bootmem.h> #include <linux/spinlock.h> #include <asm/irq.h> #include <asm/io.h> diff --git a/arch/powerpc/sysdev/uic.c b/arch/powerpc/sysdev/uic.c index 92033936a8f7..7c37157d4c24 100644 --- a/arch/powerpc/sysdev/uic.c +++ b/arch/powerpc/sysdev/uic.c @@ -19,7 +19,6 @@ #include <linux/sched.h> #include <linux/signal.h> #include <linux/device.h> -#include <linux/bootmem.h> #include <linux/spinlock.h> #include <linux/irq.h> #include <linux/interrupt.h> diff --git a/arch/powerpc/sysdev/xics/ics-opal.c b/arch/powerpc/sysdev/xics/ics-opal.c index 3c6ee1b64e5d..4ba554ec8eaf 100644 --- a/arch/powerpc/sysdev/xics/ics-opal.c +++ b/arch/powerpc/sysdev/xics/ics-opal.c @@ -73,7 +73,7 @@ static unsigned int ics_opal_startup(struct irq_data *d) * at that level, so we do it here by hand. */ if (d->msi_desc) - unmask_msi_irq(d); + pci_msi_unmask_irq(d); #endif /* unmask it */ diff --git a/arch/powerpc/sysdev/xics/ics-rtas.c b/arch/powerpc/sysdev/xics/ics-rtas.c index 936575d99c5c..bc81335b2cbc 100644 --- a/arch/powerpc/sysdev/xics/ics-rtas.c +++ b/arch/powerpc/sysdev/xics/ics-rtas.c @@ -76,7 +76,7 @@ static unsigned int ics_rtas_startup(struct irq_data *d) * at that level, so we do it here by hand. */ if (d->msi_desc) - unmask_msi_irq(d); + pci_msi_unmask_irq(d); #endif /* unmask it */ ics_rtas_unmask_irq(d); diff --git a/arch/powerpc/sysdev/xics/xics-common.c b/arch/powerpc/sysdev/xics/xics-common.c index fe0cca477164..365249cd346b 100644 --- a/arch/powerpc/sysdev/xics/xics-common.c +++ b/arch/powerpc/sysdev/xics/xics-common.c @@ -155,7 +155,7 @@ int __init xics_smp_probe(void) void xics_teardown_cpu(void) { - struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr); + struct xics_cppr *os_cppr = this_cpu_ptr(&xics_cppr); /* * we have to reset the cppr index to 0 because we're |