diff options
Diffstat (limited to 'arch/powerpc/platforms/52xx')
| -rw-r--r-- | arch/powerpc/platforms/52xx/Kconfig | 4 | ||||
| -rw-r--r-- | arch/powerpc/platforms/52xx/efika.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/platforms/52xx/lite5200.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/platforms/52xx/lite5200_pm.c | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/52xx/media5200.c | 17 | ||||
| -rw-r--r-- | arch/powerpc/platforms/52xx/mpc5200_simple.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/platforms/52xx/mpc52xx_common.c | 10 | ||||
| -rw-r--r-- | arch/powerpc/platforms/52xx/mpc52xx_gpt.c | 24 | ||||
| -rw-r--r-- | arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c | 67 | ||||
| -rw-r--r-- | arch/powerpc/platforms/52xx/mpc52xx_pci.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/52xx/mpc52xx_pic.c | 23 |
11 files changed, 88 insertions, 71 deletions
diff --git a/arch/powerpc/platforms/52xx/Kconfig b/arch/powerpc/platforms/52xx/Kconfig index 90f4496017e..b625a2c6f4f 100644 --- a/arch/powerpc/platforms/52xx/Kconfig +++ b/arch/powerpc/platforms/52xx/Kconfig @@ -1,7 +1,7 @@ config PPC_MPC52xx bool "52xx-based boards" depends on 6xx - select PPC_CLOCK + select COMMON_CLK select PPC_PCI_CHOICE config PPC_MPC5200_SIMPLE @@ -57,5 +57,5 @@ config PPC_MPC5200_BUGFIX config PPC_MPC5200_LPBFIFO tristate "MPC5200 LocalPlus bus FIFO driver" - depends on PPC_MPC52xx + depends on PPC_MPC52xx && PPC_BESTCOMM select PPC_BESTCOMM_GEN_BD diff --git a/arch/powerpc/platforms/52xx/efika.c b/arch/powerpc/platforms/52xx/efika.c index 18c10482019..6e19b0ad5d2 100644 --- a/arch/powerpc/platforms/52xx/efika.c +++ b/arch/powerpc/platforms/52xx/efika.c @@ -199,8 +199,8 @@ static void __init efika_setup_arch(void) static int __init efika_probe(void) { - char *model = of_get_flat_dt_prop(of_get_flat_dt_root(), - "model", NULL); + const char *model = of_get_flat_dt_prop(of_get_flat_dt_root(), + "model", NULL); if (model == NULL) return 0; diff --git a/arch/powerpc/platforms/52xx/lite5200.c b/arch/powerpc/platforms/52xx/lite5200.c index 01ffa64d2aa..1843bc93201 100644 --- a/arch/powerpc/platforms/52xx/lite5200.c +++ b/arch/powerpc/platforms/52xx/lite5200.c @@ -4,7 +4,7 @@ * Written by: Grant Likely <grant.likely@secretlab.ca> * * Copyright (C) Secret Lab Technologies Ltd. 2006. All rights reserved. - * Copyright (C) Freescale Semicondutor, Inc. 2006. All rights reserved. + * Copyright 2006 Freescale Semiconductor, Inc. All rights reserved. * * Description: * This program is free software; you can redistribute it and/or modify it @@ -172,7 +172,7 @@ static void __init lite5200_setup_arch(void) mpc52xx_setup_pci(); } -static const char *board[] __initdata = { +static const char * const board[] __initconst = { "fsl,lite5200", "fsl,lite5200b", NULL, diff --git a/arch/powerpc/platforms/52xx/lite5200_pm.c b/arch/powerpc/platforms/52xx/lite5200_pm.c index eda0fc2a391..870b70f5d1b 100644 --- a/arch/powerpc/platforms/52xx/lite5200_pm.c +++ b/arch/powerpc/platforms/52xx/lite5200_pm.c @@ -3,6 +3,7 @@ #include <asm/io.h> #include <asm/time.h> #include <asm/mpc52xx.h> +#include <asm/switch_to.h> /* defined in lite5200_sleep.S and only used here */ extern void lite5200_low_power(void __iomem *sram, void __iomem *mbar); diff --git a/arch/powerpc/platforms/52xx/media5200.c b/arch/powerpc/platforms/52xx/media5200.c index 96f85e5e0cd..070d315dd6c 100644 --- a/arch/powerpc/platforms/52xx/media5200.c +++ b/arch/powerpc/platforms/52xx/media5200.c @@ -45,7 +45,7 @@ static struct of_device_id mpc5200_gpio_ids[] __initdata = { struct media5200_irq { void __iomem *regs; spinlock_t lock; - struct irq_host *irqhost; + struct irq_domain *irqhost; }; struct media5200_irq media5200_irq; @@ -112,7 +112,7 @@ void media5200_irq_cascade(unsigned int virq, struct irq_desc *desc) raw_spin_unlock(&desc->lock); } -static int media5200_irq_map(struct irq_host *h, unsigned int virq, +static int media5200_irq_map(struct irq_domain *h, unsigned int virq, irq_hw_number_t hw) { pr_debug("%s: h=%p, virq=%i, hwirq=%i\n", __func__, h, virq, (int)hw); @@ -122,7 +122,7 @@ static int media5200_irq_map(struct irq_host *h, unsigned int virq, return 0; } -static int media5200_irq_xlate(struct irq_host *h, struct device_node *ct, +static int media5200_irq_xlate(struct irq_domain *h, struct device_node *ct, const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) @@ -136,7 +136,7 @@ static int media5200_irq_xlate(struct irq_host *h, struct device_node *ct, return 0; } -static struct irq_host_ops media5200_irq_ops = { +static const struct irq_domain_ops media5200_irq_ops = { .map = media5200_irq_map, .xlate = media5200_irq_xlate, }; @@ -173,15 +173,12 @@ static void __init media5200_init_irq(void) spin_lock_init(&media5200_irq.lock); - media5200_irq.irqhost = irq_alloc_host(fpga_np, IRQ_HOST_MAP_LINEAR, - MEDIA5200_NUM_IRQS, - &media5200_irq_ops, -1); + media5200_irq.irqhost = irq_domain_add_linear(fpga_np, + MEDIA5200_NUM_IRQS, &media5200_irq_ops, &media5200_irq); if (!media5200_irq.irqhost) goto out; pr_debug("%s: allocated irqhost\n", __func__); - media5200_irq.irqhost->host_data = &media5200_irq; - irq_set_handler_data(cascade_virq, &media5200_irq); irq_set_chained_handler(cascade_virq, media5200_irq_cascade); @@ -235,7 +232,7 @@ static void __init media5200_setup_arch(void) } /* list of the supported boards */ -static const char *board[] __initdata = { +static const char * const board[] __initconst = { "fsl,media5200", NULL }; diff --git a/arch/powerpc/platforms/52xx/mpc5200_simple.c b/arch/powerpc/platforms/52xx/mpc5200_simple.c index 846b789fb19..792a301a0bf 100644 --- a/arch/powerpc/platforms/52xx/mpc5200_simple.c +++ b/arch/powerpc/platforms/52xx/mpc5200_simple.c @@ -50,7 +50,10 @@ static void __init mpc5200_simple_setup_arch(void) /* list of the supported boards */ static const char *board[] __initdata = { + "anonymous,a3m071", + "anonymous,a4m072", "anon,charon", + "ifm,o2d", "intercontrol,digsy-mtc", "manroland,mucmc52", "manroland,uc101", diff --git a/arch/powerpc/platforms/52xx/mpc52xx_common.c b/arch/powerpc/platforms/52xx/mpc52xx_common.c index 369fd5457a3..d7e94f49532 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_common.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_common.c @@ -98,13 +98,11 @@ struct mpc52xx_gpio_wkup __iomem *wkup_gpio; * of the localplus bus to the of_platform * bus. */ -void __init -mpc52xx_declare_of_platform_devices(void) +void __init mpc52xx_declare_of_platform_devices(void) { - /* Find every child of the SOC node and add it to of_platform */ - if (of_platform_bus_probe(NULL, mpc52xx_bus_ids, NULL)) - printk(KERN_ERR __FILE__ ": " - "Error while probing of_platform bus\n"); + /* Find all the 'platform' devices and register them. */ + if (of_platform_populate(NULL, mpc52xx_bus_ids, NULL, NULL)) + pr_err(__FILE__ ": Error while populating devices from DT\n"); } /* diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c index f94f06e5276..692998244d2 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c @@ -81,7 +81,7 @@ MODULE_LICENSE("GPL"); * @regs: virtual address of GPT registers * @lock: spinlock to coordinate between different functions. * @gc: gpio_chip instance structure; used when GPIO is enabled - * @irqhost: Pointer to irq_host instance; used when IRQ mode is supported + * @irqhost: Pointer to irq_domain instance; used when IRQ mode is supported * @wdt_mode: only relevant for gpt0: bit 0 (MPC52xx_GPT_CAN_WDT) indicates * if the gpt may be used as wdt, bit 1 (MPC52xx_GPT_IS_WDT) indicates * if the timer is actively used as wdt which blocks gpt functions @@ -91,7 +91,7 @@ struct mpc52xx_gpt_priv { struct device *dev; struct mpc52xx_gpt __iomem *regs; spinlock_t lock; - struct irq_host *irqhost; + struct irq_domain *irqhost; u32 ipb_freq; u8 wdt_mode; @@ -204,7 +204,7 @@ void mpc52xx_gpt_irq_cascade(unsigned int virq, struct irq_desc *desc) } } -static int mpc52xx_gpt_irq_map(struct irq_host *h, unsigned int virq, +static int mpc52xx_gpt_irq_map(struct irq_domain *h, unsigned int virq, irq_hw_number_t hw) { struct mpc52xx_gpt_priv *gpt = h->host_data; @@ -216,7 +216,7 @@ static int mpc52xx_gpt_irq_map(struct irq_host *h, unsigned int virq, return 0; } -static int mpc52xx_gpt_irq_xlate(struct irq_host *h, struct device_node *ct, +static int mpc52xx_gpt_irq_xlate(struct irq_domain *h, struct device_node *ct, const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) @@ -236,7 +236,7 @@ static int mpc52xx_gpt_irq_xlate(struct irq_host *h, struct device_node *ct, return 0; } -static struct irq_host_ops mpc52xx_gpt_irq_ops = { +static const struct irq_domain_ops mpc52xx_gpt_irq_ops = { .map = mpc52xx_gpt_irq_map, .xlate = mpc52xx_gpt_irq_xlate, }; @@ -252,14 +252,12 @@ mpc52xx_gpt_irq_setup(struct mpc52xx_gpt_priv *gpt, struct device_node *node) if (!cascade_virq) return; - gpt->irqhost = irq_alloc_host(node, IRQ_HOST_MAP_LINEAR, 1, - &mpc52xx_gpt_irq_ops, -1); + gpt->irqhost = irq_domain_add_linear(node, 1, &mpc52xx_gpt_irq_ops, gpt); if (!gpt->irqhost) { - dev_err(gpt->dev, "irq_alloc_host() failed\n"); + dev_err(gpt->dev, "irq_domain_add_linear() failed\n"); return; } - gpt->irqhost->host_data = gpt; irq_set_handler_data(cascade_virq, gpt); irq_set_chained_handler(cascade_virq, mpc52xx_gpt_irq_cascade); @@ -528,7 +526,7 @@ EXPORT_SYMBOL(mpc52xx_gpt_timer_period); #define WDT_IDENTITY "mpc52xx watchdog on GPT0" -/* wdt_is_active stores wether or not the /dev/watchdog device is opened */ +/* wdt_is_active stores whether or not the /dev/watchdog device is opened */ static unsigned long wdt_is_active; /* wdt-capable gpt */ @@ -671,7 +669,7 @@ static struct miscdevice mpc52xx_wdt_miscdev = { .fops = &mpc52xx_wdt_fops, }; -static int __devinit mpc52xx_gpt_wdt_init(void) +static int mpc52xx_gpt_wdt_init(void) { int err; @@ -706,7 +704,7 @@ static int mpc52xx_gpt_wdt_setup(struct mpc52xx_gpt_priv *gpt, #else -static int __devinit mpc52xx_gpt_wdt_init(void) +static int mpc52xx_gpt_wdt_init(void) { return 0; } @@ -722,7 +720,7 @@ static inline int mpc52xx_gpt_wdt_setup(struct mpc52xx_gpt_priv *gpt, /* --------------------------------------------------------------------- * of_platform bus binding code */ -static int __devinit mpc52xx_gpt_probe(struct platform_device *ofdev) +static int mpc52xx_gpt_probe(struct platform_device *ofdev) { struct mpc52xx_gpt_priv *gpt; diff --git a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c index d61fb1c0c1a..37f7a89c10f 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c @@ -20,9 +20,9 @@ #include <asm/mpc52xx.h> #include <asm/time.h> -#include <sysdev/bestcomm/bestcomm.h> -#include <sysdev/bestcomm/bestcomm_priv.h> -#include <sysdev/bestcomm/gen_bd.h> +#include <linux/fsl/bestcomm/bestcomm.h> +#include <linux/fsl/bestcomm/bestcomm_priv.h> +#include <linux/fsl/bestcomm/gen_bd.h> MODULE_AUTHOR("Grant Likely <grant.likely@secretlab.ca>"); MODULE_DESCRIPTION("MPC5200 LocalPlus FIFO device driver"); @@ -170,7 +170,8 @@ static void mpc52xx_lpbfifo_kick(struct mpc52xx_lpbfifo_request *req) out_be32(lpbfifo.regs + LPBFIFO_REG_CONTROL, bit_fields); /* Kick it off */ - out_8(lpbfifo.regs + LPBFIFO_REG_PACKET_SIZE, 0x01); + if (!lpbfifo.req->defer_xfer_start) + out_8(lpbfifo.regs + LPBFIFO_REG_PACKET_SIZE, 0x01); if (dma) bcom_enable(lpbfifo.bcom_cur_task); } @@ -244,7 +245,7 @@ static irqreturn_t mpc52xx_lpbfifo_irq(int irq, void *dev_id) if (dma && !write) { spin_unlock_irqrestore(&lpbfifo.lock, flags); - pr_err("bogus LPBFIFO IRQ (dma and not writting)\n"); + pr_err("bogus LPBFIFO IRQ (dma and not writing)\n"); return IRQ_HANDLED; } @@ -421,6 +422,38 @@ int mpc52xx_lpbfifo_submit(struct mpc52xx_lpbfifo_request *req) } EXPORT_SYMBOL(mpc52xx_lpbfifo_submit); +int mpc52xx_lpbfifo_start_xfer(struct mpc52xx_lpbfifo_request *req) +{ + unsigned long flags; + + if (!lpbfifo.regs) + return -ENODEV; + + spin_lock_irqsave(&lpbfifo.lock, flags); + + /* + * If the req pointer is already set and a transfer was + * started on submit, then this transfer is in progress + */ + if (lpbfifo.req && !lpbfifo.req->defer_xfer_start) { + spin_unlock_irqrestore(&lpbfifo.lock, flags); + return -EBUSY; + } + + /* + * If the req was previously submitted but not + * started, start it now + */ + if (lpbfifo.req && lpbfifo.req == req && + lpbfifo.req->defer_xfer_start) { + out_8(lpbfifo.regs + LPBFIFO_REG_PACKET_SIZE, 0x01); + } + + spin_unlock_irqrestore(&lpbfifo.lock, flags); + return 0; +} +EXPORT_SYMBOL(mpc52xx_lpbfifo_start_xfer); + void mpc52xx_lpbfifo_abort(struct mpc52xx_lpbfifo_request *req) { unsigned long flags; @@ -437,7 +470,7 @@ void mpc52xx_lpbfifo_abort(struct mpc52xx_lpbfifo_request *req) } EXPORT_SYMBOL(mpc52xx_lpbfifo_abort); -static int __devinit mpc52xx_lpbfifo_probe(struct platform_device *op) +static int mpc52xx_lpbfifo_probe(struct platform_device *op) { struct resource res; int rc = -ENOMEM; @@ -507,7 +540,7 @@ static int __devinit mpc52xx_lpbfifo_probe(struct platform_device *op) } -static int __devexit mpc52xx_lpbfifo_remove(struct platform_device *op) +static int mpc52xx_lpbfifo_remove(struct platform_device *op) { if (lpbfifo.dev != &op->dev) return 0; @@ -531,7 +564,7 @@ static int __devexit mpc52xx_lpbfifo_remove(struct platform_device *op) return 0; } -static struct of_device_id mpc52xx_lpbfifo_match[] __devinitconst = { +static struct of_device_id mpc52xx_lpbfifo_match[] = { { .compatible = "fsl,mpc5200-lpbfifo", }, {}, }; @@ -543,20 +576,6 @@ static struct platform_driver mpc52xx_lpbfifo_driver = { .of_match_table = mpc52xx_lpbfifo_match, }, .probe = mpc52xx_lpbfifo_probe, - .remove = __devexit_p(mpc52xx_lpbfifo_remove), + .remove = mpc52xx_lpbfifo_remove, }; - -/*********************************************************************** - * Module init/exit - */ -static int __init mpc52xx_lpbfifo_init(void) -{ - return platform_driver_register(&mpc52xx_lpbfifo_driver); -} -module_init(mpc52xx_lpbfifo_init); - -static void __exit mpc52xx_lpbfifo_exit(void) -{ - platform_driver_unregister(&mpc52xx_lpbfifo_driver); -} -module_exit(mpc52xx_lpbfifo_exit); +module_platform_driver(mpc52xx_lpbfifo_driver); diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pci.c b/arch/powerpc/platforms/52xx/mpc52xx_pci.c index bfb11e01133..e2d401ad8fb 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_pci.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_pci.c @@ -93,7 +93,7 @@ struct mpc52xx_pci { }; /* MPC5200 device tree match tables */ -const struct of_device_id mpc52xx_pci_ids[] __initdata = { +const struct of_device_id mpc52xx_pci_ids[] __initconst = { { .type = "pci", .compatible = "fsl,mpc5200-pci", }, { .type = "pci", .compatible = "mpc5200-pci", }, {} diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c index 1a9a4957057..2898b737deb 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c @@ -132,7 +132,7 @@ static struct of_device_id mpc52xx_sdma_ids[] __initdata = { static struct mpc52xx_intr __iomem *intr; static struct mpc52xx_sdma __iomem *sdma; -static struct irq_host *mpc52xx_irqhost = NULL; +static struct irq_domain *mpc52xx_irqhost = NULL; static unsigned char mpc52xx_map_senses[4] = { IRQ_TYPE_LEVEL_HIGH, @@ -301,7 +301,7 @@ static int mpc52xx_is_extirq(int l1, int l2) /** * mpc52xx_irqhost_xlate - translate virq# from device tree interrupts property */ -static int mpc52xx_irqhost_xlate(struct irq_host *h, struct device_node *ct, +static int mpc52xx_irqhost_xlate(struct irq_domain *h, struct device_node *ct, const u32 *intspec, unsigned int intsize, irq_hw_number_t *out_hwirq, unsigned int *out_flags) @@ -335,12 +335,12 @@ static int mpc52xx_irqhost_xlate(struct irq_host *h, struct device_node *ct, /** * mpc52xx_irqhost_map - Hook to map from virq to an irq_chip structure */ -static int mpc52xx_irqhost_map(struct irq_host *h, unsigned int virq, +static int mpc52xx_irqhost_map(struct irq_domain *h, unsigned int virq, irq_hw_number_t irq) { int l1irq; int l2irq; - struct irq_chip *irqchip; + struct irq_chip *uninitialized_var(irqchip); void *hndlr; int type; u32 reg; @@ -372,10 +372,11 @@ static int mpc52xx_irqhost_map(struct irq_host *h, unsigned int virq, case MPC52xx_IRQ_L1_MAIN: irqchip = &mpc52xx_main_irqchip; break; case MPC52xx_IRQ_L1_PERP: irqchip = &mpc52xx_periph_irqchip; break; case MPC52xx_IRQ_L1_SDMA: irqchip = &mpc52xx_sdma_irqchip; break; - default: - pr_err("%s: invalid irq: virq=%i, l1=%i, l2=%i\n", - __func__, virq, l1irq, l2irq); - return -EINVAL; + case MPC52xx_IRQ_L1_CRIT: + pr_warn("%s: Critical IRQ #%d is unsupported! Nopping it.\n", + __func__, l2irq); + irq_set_chip(virq, &no_irq_chip); + return 0; } irq_set_chip_and_handler(virq, irqchip, handle_level_irq); @@ -384,7 +385,7 @@ static int mpc52xx_irqhost_map(struct irq_host *h, unsigned int virq, return 0; } -static struct irq_host_ops mpc52xx_irqhost_ops = { +static const struct irq_domain_ops mpc52xx_irqhost_ops = { .xlate = mpc52xx_irqhost_xlate, .map = mpc52xx_irqhost_map, }; @@ -444,9 +445,9 @@ void __init mpc52xx_init_irq(void) * As last step, add an irq host to translate the real * hw irq information provided by the ofw to linux virq */ - mpc52xx_irqhost = irq_alloc_host(picnode, IRQ_HOST_MAP_LINEAR, + mpc52xx_irqhost = irq_domain_add_linear(picnode, MPC52xx_IRQ_HIGHTESTHWIRQ, - &mpc52xx_irqhost_ops, -1); + &mpc52xx_irqhost_ops, NULL); if (!mpc52xx_irqhost) panic(__FILE__ ": Cannot allocate the IRQ host\n"); |
