From: Russell King Date: Sun, 25 Mar 2012 22:54:16 +0000 (+0100) Subject: Merge branch 'sa1111' into sa11x0 X-Git-Tag: v4.13~12295^2^3~10 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=374da9da22ebaad0524c77905b5e89ae4619bef3;p=mirror_ubuntu-bionic-kernel.git Merge branch 'sa1111' into sa11x0 Conflicts: arch/arm/common/sa1111.c arch/arm/mach-sa1100/neponset.c Fixed: arch/arm/mach-sa1100/assabet.c for the neponset changes --- 374da9da22ebaad0524c77905b5e89ae4619bef3 diff --cc arch/arm/mach-sa1100/assabet.c index f2030bc22cde,0c4b76ab4d8e..e2d411a8d4ce --- a/arch/arm/mach-sa1100/assabet.c +++ b/arch/arm/mach-sa1100/assabet.c @@@ -425,21 -412,21 +425,8 @@@ static void __init assabet_map_io(void */ Ser1SDCR0 |= SDCR0_SUS; -- if (machine_has_neponset()) { --#ifdef CONFIG_ASSABET_NEPONSET -- extern void neponset_map_io(void); -- -- /* -- * We map Neponset registers even if it isn't present since -- * many drivers will try to probe their stuff (and fail). -- * This is still more friendly than a kernel paging request -- * crash. -- */ -- neponset_map_io(); --#endif -- } else { ++ if (!machine_has_neponset()) sa1100_register_uart_fns(&assabet_port_fns); -- } /* * When Neponset is attached, the first UART should be diff --cc arch/arm/mach-sa1100/badge4.c index ce2dbdf4ba1a,645ffa1ddc7c..5839c9d8bb92 --- a/arch/arm/mach-sa1100/badge4.c +++ b/arch/arm/mach-sa1100/badge4.c @@@ -39,12 -39,36 +39,28 @@@ #include "generic.h" static struct resource sa1111_resources[] = { - [0] = { - .start = BADGE4_SA1111_BASE, - .end = BADGE4_SA1111_BASE + 0x00001fff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = BADGE4_IRQ_GPIO_SA1111, - .end = BADGE4_IRQ_GPIO_SA1111, - .flags = IORESOURCE_IRQ, - }, + [0] = DEFINE_RES_MEM(BADGE4_SA1111_BASE, 0x2000), + [1] = DEFINE_RES_IRQ(BADGE4_IRQ_GPIO_SA1111), }; + static int badge4_sa1111_enable(void *data, unsigned devid) + { + if (devid == SA1111_DEVID_USB) + badge4_set_5V(BADGE4_5V_USB, 1); + return 0; + } + + static void badge4_sa1111_disable(void *data, unsigned devid) + { + if (devid == SA1111_DEVID_USB) + badge4_set_5V(BADGE4_5V_USB, 0); + } + static struct sa1111_platform_data sa1111_info = { .irq_base = IRQ_BOARD_END, + .disable_devs = SA1111_DEVID_PS2_MSE, + .enable = badge4_sa1111_enable, + .disable = badge4_sa1111_disable, }; static u64 sa1111_dmamask = 0xffffffffUL; diff --cc arch/arm/mach-sa1100/neponset.c index 7ffa631eede4,290afedde749..3297aa22cd77 --- a/arch/arm/mach-sa1100/neponset.c +++ b/arch/arm/mach-sa1100/neponset.c @@@ -229,220 -242,101 +229,207 @@@ static struct irq_chip nochip = static struct sa1111_platform_data sa1111_info = { .irq_base = IRQ_BOARD_END, + .disable_devs = SA1111_DEVID_PS2_MSE, }; -static u64 sa1111_dmamask = 0xffffffffUL; +static int __devinit neponset_probe(struct platform_device *dev) +{ + struct neponset_drvdata *d; + struct resource *nep_res, *sa1111_res, *smc91x_res; + struct resource sa1111_resources[] = { + DEFINE_RES_MEM(0x40000000, SZ_8K), + { .flags = IORESOURCE_IRQ }, + }; + struct platform_device_info sa1111_devinfo = { + .parent = &dev->dev, + .name = "sa1111", + .id = 0, + .res = sa1111_resources, + .num_res = ARRAY_SIZE(sa1111_resources), + .data = &sa1111_info, + .size_data = sizeof(sa1111_info), + .dma_mask = 0xffffffffUL, + }; + struct resource smc91x_resources[] = { + DEFINE_RES_MEM_NAMED(SA1100_CS3_PHYS, + 0x02000000, "smc91x-regs"), + DEFINE_RES_MEM_NAMED(SA1100_CS3_PHYS + 0x02000000, + 0x02000000, "smc91x-attrib"), + { .flags = IORESOURCE_IRQ }, + }; + struct platform_device_info smc91x_devinfo = { + .parent = &dev->dev, + .name = "smc91x", + .id = 0, + .res = smc91x_resources, + .num_res = ARRAY_SIZE(smc91x_resources), + }; + int ret, irq; + + if (nep_base) + return -EBUSY; + + irq = ret = platform_get_irq(dev, 0); + if (ret < 0) + goto err_alloc; + + nep_res = platform_get_resource(dev, IORESOURCE_MEM, 0); + smc91x_res = platform_get_resource(dev, IORESOURCE_MEM, 1); + sa1111_res = platform_get_resource(dev, IORESOURCE_MEM, 2); + if (!nep_res || !smc91x_res || !sa1111_res) { + ret = -ENXIO; + goto err_alloc; + } -static struct platform_device sa1111_device = { - .name = "sa1111", - .id = 0, - .dev = { - .dma_mask = &sa1111_dmamask, - .coherent_dma_mask = 0xffffffff, - .platform_data = &sa1111_info, - }, - .num_resources = ARRAY_SIZE(sa1111_resources), - .resource = sa1111_resources, -}; + d = kzalloc(sizeof(*d), GFP_KERNEL); + if (!d) { + ret = -ENOMEM; + goto err_alloc; + } -static struct resource smc91x_resources[] = { - [0] = { - .name = "smc91x-regs", - .start = SA1100_CS3_PHYS, - .end = SA1100_CS3_PHYS + 0x01ffffff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_NEPONSET_SMC9196, - .end = IRQ_NEPONSET_SMC9196, - .flags = IORESOURCE_IRQ, - }, - [2] = { - .name = "smc91x-attrib", - .start = SA1100_CS3_PHYS + 0x02000000, - .end = SA1100_CS3_PHYS + 0x03ffffff, - .flags = IORESOURCE_MEM, - }, -}; + d->base = ioremap(nep_res->start, SZ_4K); + if (!d->base) { + ret = -ENOMEM; + goto err_ioremap; + } -static struct platform_device smc91x_device = { - .name = "smc91x", - .id = 0, - .num_resources = ARRAY_SIZE(smc91x_resources), - .resource = smc91x_resources, -}; + if (readb_relaxed(d->base + WHOAMI) != 0x11) { + dev_warn(&dev->dev, "Neponset board detected, but wrong ID: %02x\n", + readb_relaxed(d->base + WHOAMI)); + ret = -ENODEV; + goto err_id; + } -static struct platform_device *devices[] __initdata = { - &neponset_device, - &sa1111_device, - &smc91x_device, -}; + ret = irq_alloc_descs(-1, IRQ_BOARD_START, NEP_IRQ_NR, -1); + if (ret <= 0) { + dev_err(&dev->dev, "unable to allocate %u irqs: %d\n", + NEP_IRQ_NR, ret); + if (ret == 0) + ret = -ENOMEM; + goto err_irq_alloc; + } -extern void sa1110_mb_disable(void); + d->irq_base = ret; -static int __init neponset_init(void) -{ - platform_driver_register(&neponset_device_driver); + irq_set_chip_and_handler(d->irq_base + NEP_IRQ_SMC91X, &nochip, + handle_simple_irq); + set_irq_flags(d->irq_base + NEP_IRQ_SMC91X, IRQF_VALID | IRQF_PROBE); + irq_set_chip_and_handler(d->irq_base + NEP_IRQ_USAR, &nochip, + handle_simple_irq); + set_irq_flags(d->irq_base + NEP_IRQ_USAR, IRQF_VALID | IRQF_PROBE); + irq_set_chip(d->irq_base + NEP_IRQ_SA1111, &nochip); - /* - * The Neponset is only present on the Assabet machine type. - */ - if (!machine_is_assabet()) - return -ENODEV; + irq_set_irq_type(irq, IRQ_TYPE_EDGE_RISING); + irq_set_handler_data(irq, d); + irq_set_chained_handler(irq, neponset_irq_handler); /* - * Ensure that the memory bus request/grant signals are setup, - * and the grant is held in its inactive state, whether or not - * we actually have a Neponset attached. + * We would set IRQ_GPIO25 to be a wake-up IRQ, but unfortunately + * something on the Neponset activates this IRQ on sleep (eth?) */ +#if 0 + enable_irq_wake(irq); +#endif + + dev_info(&dev->dev, "Neponset daughter board, providing IRQ%u-%u\n", + d->irq_base, d->irq_base + NEP_IRQ_NR - 1); + nep_base = d->base; + + sa1100_register_uart_fns(&neponset_port_fns); + + /* Ensure that the memory bus request/grant signals are setup */ sa1110_mb_disable(); - if (!machine_has_neponset()) { - printk(KERN_DEBUG "Neponset expansion board not present\n"); - return -ENODEV; - } + /* Disable GPIO 0/1 drivers so the buttons work on the Assabet */ + writeb_relaxed(NCR_GP01_OFF, d->base + NCR_0); - if (WHOAMI != 0x11) { - printk(KERN_WARNING "Neponset board detected, but " - "wrong ID: %02x\n", WHOAMI); - return -ENODEV; - } + sa1111_resources[0].parent = sa1111_res; + sa1111_resources[1].start = d->irq_base + NEP_IRQ_SA1111; + sa1111_resources[1].end = d->irq_base + NEP_IRQ_SA1111; + d->sa1111 = platform_device_register_full(&sa1111_devinfo); + + smc91x_resources[0].parent = smc91x_res; + smc91x_resources[1].parent = smc91x_res; + smc91x_resources[2].start = d->irq_base + NEP_IRQ_SMC91X; + smc91x_resources[2].end = d->irq_base + NEP_IRQ_SMC91X; + d->smc91x = platform_device_register_full(&smc91x_devinfo); + + platform_set_drvdata(dev, d); - return platform_add_devices(devices, ARRAY_SIZE(devices)); + return 0; + + err_irq_alloc: + err_id: + iounmap(d->base); + err_ioremap: + kfree(d); + err_alloc: + return ret; } -subsys_initcall(neponset_init); +static int __devexit neponset_remove(struct platform_device *dev) +{ + struct neponset_drvdata *d = platform_get_drvdata(dev); + int irq = platform_get_irq(dev, 0); + + if (!IS_ERR(d->sa1111)) + platform_device_unregister(d->sa1111); + if (!IS_ERR(d->smc91x)) + platform_device_unregister(d->smc91x); + irq_set_chained_handler(irq, NULL); + irq_free_descs(d->irq_base, NEP_IRQ_NR); + nep_base = NULL; + iounmap(d->base); + kfree(d); -static struct map_desc neponset_io_desc[] __initdata = { - { /* System Registers */ - .virtual = 0xf3000000, - .pfn = __phys_to_pfn(0x10000000), - .length = SZ_1M, - .type = MT_DEVICE - } + return 0; +} + +#ifdef CONFIG_PM_SLEEP +static int neponset_suspend(struct device *dev) +{ + struct neponset_drvdata *d = dev_get_drvdata(dev); + + d->ncr0 = readb_relaxed(d->base + NCR_0); + d->mdm_ctl_0 = readb_relaxed(d->base + MDM_CTL_0); + + return 0; +} + +static int neponset_resume(struct device *dev) +{ + struct neponset_drvdata *d = dev_get_drvdata(dev); + + writeb_relaxed(d->ncr0, d->base + NCR_0); + writeb_relaxed(d->mdm_ctl_0, d->base + MDM_CTL_0); + + return 0; +} + +static const struct dev_pm_ops neponset_pm_ops = { + .suspend_noirq = neponset_suspend, + .resume_noirq = neponset_resume, + .freeze_noirq = neponset_suspend, + .restore_noirq = neponset_resume, +}; +#define PM_OPS &neponset_pm_ops +#else +#define PM_OPS NULL +#endif + +static struct platform_driver neponset_device_driver = { + .probe = neponset_probe, + .remove = __devexit_p(neponset_remove), + .driver = { + .name = "neponset", + .owner = THIS_MODULE, + .pm = PM_OPS, + }, }; -void __init neponset_map_io(void) +static int __init neponset_init(void) { - iotable_init(neponset_io_desc, ARRAY_SIZE(neponset_io_desc)); + return platform_driver_register(&neponset_device_driver); } + +subsys_initcall(neponset_init); - - static struct map_desc neponset_io_desc[] __initdata = { - { /* SA-1111 */ - .virtual = 0xf4000000, - .pfn = __phys_to_pfn(0x40000000), - .length = SZ_1M, - .type = MT_DEVICE - } - }; - - void __init neponset_map_io(void) - { - iotable_init(neponset_io_desc, ARRAY_SIZE(neponset_io_desc)); - }