From 8f9dc85348ac37ff3b6b031d22e93a5b59d81f83 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Fri, 4 Jan 2013 00:51:24 +0100 Subject: bcma: mips: remove assigned_irqs from structure This member is not needed any more. Signed-off-by: Hauke Mehrtens Signed-off-by: John W. Linville --- include/linux/bcma/bcma_driver_mips.h | 1 - 1 file changed, 1 deletion(-) (limited to 'include/linux/bcma/bcma_driver_mips.h') diff --git a/include/linux/bcma/bcma_driver_mips.h b/include/linux/bcma/bcma_driver_mips.h index 0baf8a56b794..6495579e3f35 100644 --- a/include/linux/bcma/bcma_driver_mips.h +++ b/include/linux/bcma/bcma_driver_mips.h @@ -36,7 +36,6 @@ struct bcma_drv_mips { struct bcma_device *core; u8 setup_done:1; u8 early_setup_done:1; - unsigned int assigned_irqs; }; #ifdef CONFIG_BCMA_DRIVER_MIPS -- cgit v1.2.3 From e2aa19fadd718d7dd920a3994118863861a4b61e Mon Sep 17 00:00:00 2001 From: Nathan Hintz Date: Thu, 10 Jan 2013 17:54:09 +0100 Subject: bcma: return the mips irq number in bcma_core_irq The irq signal numbers that are send by the cpu are increased by 2 from the number programmed into the mips core by bcma. Return the irq number on which the irqs are send in bcma_core_irq() now. Signed-off-by: Nathan Hintz Signed-off-by: Hauke Mehrtens Signed-off-by: John W. Linville --- arch/mips/bcm47xx/serial.c | 2 +- drivers/bcma/driver_chipcommon.c | 2 +- drivers/bcma/driver_mips.c | 12 +++++++++--- drivers/bcma/driver_pci_host.c | 4 ++-- include/linux/bcma/bcma_driver_mips.h | 2 +- 5 files changed, 14 insertions(+), 8 deletions(-) (limited to 'include/linux/bcma/bcma_driver_mips.h') diff --git a/arch/mips/bcm47xx/serial.c b/arch/mips/bcm47xx/serial.c index 57981e4fe2bc..b8ef965705cf 100644 --- a/arch/mips/bcm47xx/serial.c +++ b/arch/mips/bcm47xx/serial.c @@ -62,7 +62,7 @@ static int __init uart8250_init_bcma(void) p->mapbase = (unsigned int) bcma_port->regs; p->membase = (void *) bcma_port->regs; - p->irq = bcma_port->irq + 2; + p->irq = bcma_port->irq; p->uartclk = bcma_port->baud_base; p->regshift = bcma_port->reg_shift; p->iotype = UPIO_MEM; diff --git a/drivers/bcma/driver_chipcommon.c b/drivers/bcma/driver_chipcommon.c index e461ad25fda4..28fa50ad87be 100644 --- a/drivers/bcma/driver_chipcommon.c +++ b/drivers/bcma/driver_chipcommon.c @@ -329,7 +329,7 @@ void bcma_chipco_serial_init(struct bcma_drv_cc *cc) return; } - irq = bcma_core_mips_irq(cc->core); + irq = bcma_core_irq(cc->core); /* Determine the registers of the UARTs */ cc->nr_serial_ports = (cc->capabilities & BCMA_CC_CAP_NRUART); diff --git a/drivers/bcma/driver_mips.c b/drivers/bcma/driver_mips.c index 90f20a247725..a808404db4b1 100644 --- a/drivers/bcma/driver_mips.c +++ b/drivers/bcma/driver_mips.c @@ -85,7 +85,7 @@ static u32 bcma_core_mips_irqflag(struct bcma_device *dev) * If disabled, 5 is returned. * If not supported, 6 is returned. */ -unsigned int bcma_core_mips_irq(struct bcma_device *dev) +static unsigned int bcma_core_mips_irq(struct bcma_device *dev) { struct bcma_device *mdev = dev->bus->drv_mips.core; u32 irqflag; @@ -102,7 +102,13 @@ unsigned int bcma_core_mips_irq(struct bcma_device *dev) return 5; } -EXPORT_SYMBOL(bcma_core_mips_irq); + +unsigned int bcma_core_irq(struct bcma_device *dev) +{ + unsigned int mips_irq = bcma_core_mips_irq(dev); + return mips_irq <= 4 ? mips_irq + 2 : 0; +} +EXPORT_SYMBOL(bcma_core_irq); static void bcma_core_mips_set_irq(struct bcma_device *dev, unsigned int irq) { @@ -299,7 +305,7 @@ void bcma_core_mips_init(struct bcma_drv_mips *mcore) break; default: list_for_each_entry(core, &bus->cores, list) { - core->irq = bcma_core_mips_irq(core) + 2; + core->irq = bcma_core_irq(core); } bcma_err(bus, "Unknown device (0x%x) found, can not configure IRQs\n", diff --git a/drivers/bcma/driver_pci_host.c b/drivers/bcma/driver_pci_host.c index e6b5c89469dc..ef9f0938da77 100644 --- a/drivers/bcma/driver_pci_host.c +++ b/drivers/bcma/driver_pci_host.c @@ -577,7 +577,7 @@ int bcma_core_pci_plat_dev_init(struct pci_dev *dev) pr_info("PCI: Fixing up device %s\n", pci_name(dev)); /* Fix up interrupt lines */ - dev->irq = bcma_core_mips_irq(pc_host->pdev->core) + 2; + dev->irq = bcma_core_irq(pc_host->pdev->core); pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); return 0; @@ -596,6 +596,6 @@ int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev) pc_host = container_of(dev->bus->ops, struct bcma_drv_pci_host, pci_ops); - return bcma_core_mips_irq(pc_host->pdev->core) + 2; + return bcma_core_irq(pc_host->pdev->core); } EXPORT_SYMBOL(bcma_core_pci_pcibios_map_irq); diff --git a/include/linux/bcma/bcma_driver_mips.h b/include/linux/bcma/bcma_driver_mips.h index 6495579e3f35..73c7f4b882cc 100644 --- a/include/linux/bcma/bcma_driver_mips.h +++ b/include/linux/bcma/bcma_driver_mips.h @@ -48,6 +48,6 @@ static inline void bcma_core_mips_early_init(struct bcma_drv_mips *mcore) { } extern u32 bcma_cpu_clock(struct bcma_drv_mips *mcore); -extern unsigned int bcma_core_mips_irq(struct bcma_device *dev); +extern unsigned int bcma_core_irq(struct bcma_device *core); #endif /* LINUX_BCMA_DRIVER_MIPS_H_ */ -- cgit v1.2.3 From 6bf2e5461479c4511f59946a7378db576b04dbc5 Mon Sep 17 00:00:00 2001 From: Nathan Hintz Date: Fri, 11 Jan 2013 22:07:22 -0800 Subject: bcma: fix bcm4716/bcm4748 i2s irqflag The default irqflag assignment for the I2S core on some Broadcom 4716/4748 devices is invalid and needs to be corrected (from the Broadcom SDK). Signed-off-by: Nathan Hintz Acked-by: Hauke Mehrtens Signed-off-by: John W. Linville --- drivers/bcma/driver_mips.c | 28 ++++++++++++++++++++++++++++ include/linux/bcma/bcma_driver_mips.h | 1 + 2 files changed, 29 insertions(+) (limited to 'include/linux/bcma/bcma_driver_mips.h') diff --git a/drivers/bcma/driver_mips.c b/drivers/bcma/driver_mips.c index a808404db4b1..9fe86ee16c66 100644 --- a/drivers/bcma/driver_mips.c +++ b/drivers/bcma/driver_mips.c @@ -256,6 +256,32 @@ void bcma_core_mips_early_init(struct bcma_drv_mips *mcore) mcore->early_setup_done = true; } +static void bcma_fix_i2s_irqflag(struct bcma_bus *bus) +{ + struct bcma_device *cpu, *pcie, *i2s; + + /* Fixup the interrupts in 4716/4748 for i2s core (2010 Broadcom SDK) + * (IRQ flags > 7 are ignored when setting the interrupt masks) + */ + if (bus->chipinfo.id != BCMA_CHIP_ID_BCM4716 && + bus->chipinfo.id != BCMA_CHIP_ID_BCM4748) + return; + + cpu = bcma_find_core(bus, BCMA_CORE_MIPS_74K); + pcie = bcma_find_core(bus, BCMA_CORE_PCIE); + i2s = bcma_find_core(bus, BCMA_CORE_I2S); + if (cpu && pcie && i2s && + bcma_aread32(cpu, BCMA_MIPS_OOBSELINA74) == 0x08060504 && + bcma_aread32(pcie, BCMA_MIPS_OOBSELINA74) == 0x08060504 && + bcma_aread32(i2s, BCMA_MIPS_OOBSELOUTA30) == 0x88) { + bcma_awrite32(cpu, BCMA_MIPS_OOBSELINA74, 0x07060504); + bcma_awrite32(pcie, BCMA_MIPS_OOBSELINA74, 0x07060504); + bcma_awrite32(i2s, BCMA_MIPS_OOBSELOUTA30, 0x87); + bcma_debug(bus, + "Moved i2s interrupt to oob line 7 instead of 8\n"); + } +} + void bcma_core_mips_init(struct bcma_drv_mips *mcore) { struct bcma_bus *bus; @@ -269,6 +295,8 @@ void bcma_core_mips_init(struct bcma_drv_mips *mcore) bcma_core_mips_early_init(mcore); + bcma_fix_i2s_irqflag(bus); + switch (bus->chipinfo.id) { case BCMA_CHIP_ID_BCM4716: case BCMA_CHIP_ID_BCM4748: diff --git a/include/linux/bcma/bcma_driver_mips.h b/include/linux/bcma/bcma_driver_mips.h index 73c7f4b882cc..0d1ea297851a 100644 --- a/include/linux/bcma/bcma_driver_mips.h +++ b/include/linux/bcma/bcma_driver_mips.h @@ -28,6 +28,7 @@ #define BCMA_MIPS_MIPS74K_GPIOEN 0x0048 #define BCMA_MIPS_MIPS74K_CLKCTLST 0x01E0 +#define BCMA_MIPS_OOBSELINA74 0x004 #define BCMA_MIPS_OOBSELOUTA30 0x100 struct bcma_device; -- cgit v1.2.3 From 8f1ca2683225afa21b827ff620a6225c390771a9 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Sat, 26 Jan 2013 21:39:44 +0100 Subject: bcma: add gpio_to_irq The old bcm47xx gpio code had support for gpio_to_irq, but the new code did not provide this function, but returned -ENXIO all the time. This patch adds the missing function. Signed-off-by: Hauke Mehrtens Signed-off-by: John W. Linville --- drivers/bcma/driver_gpio.c | 11 +++++++++++ include/linux/bcma/bcma_driver_mips.h | 9 +++++++-- 2 files changed, 18 insertions(+), 2 deletions(-) (limited to 'include/linux/bcma/bcma_driver_mips.h') diff --git a/drivers/bcma/driver_gpio.c b/drivers/bcma/driver_gpio.c index 9a6f585da2d9..0b5df538dfd9 100644 --- a/drivers/bcma/driver_gpio.c +++ b/drivers/bcma/driver_gpio.c @@ -73,6 +73,16 @@ static void bcma_gpio_free(struct gpio_chip *chip, unsigned gpio) bcma_chipco_gpio_pullup(cc, 1 << gpio, 0); } +static int bcma_gpio_to_irq(struct gpio_chip *chip, unsigned gpio) +{ + struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip); + + if (cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC) + return bcma_core_irq(cc->core); + else + return -EINVAL; +} + int bcma_gpio_init(struct bcma_drv_cc *cc) { struct gpio_chip *chip = &cc->gpio; @@ -85,6 +95,7 @@ int bcma_gpio_init(struct bcma_drv_cc *cc) chip->set = bcma_gpio_set_value; chip->direction_input = bcma_gpio_direction_input; chip->direction_output = bcma_gpio_direction_output; + chip->to_irq = bcma_gpio_to_irq; chip->ngpio = 16; /* There is just one SoC in one device and its GPIO addresses should be * deterministic to address them more easily. The other buses could get diff --git a/include/linux/bcma/bcma_driver_mips.h b/include/linux/bcma/bcma_driver_mips.h index 0d1ea297851a..fb61f3fb4ddb 100644 --- a/include/linux/bcma/bcma_driver_mips.h +++ b/include/linux/bcma/bcma_driver_mips.h @@ -42,13 +42,18 @@ struct bcma_drv_mips { #ifdef CONFIG_BCMA_DRIVER_MIPS extern void bcma_core_mips_init(struct bcma_drv_mips *mcore); extern void bcma_core_mips_early_init(struct bcma_drv_mips *mcore); + +extern unsigned int bcma_core_irq(struct bcma_device *core); #else static inline void bcma_core_mips_init(struct bcma_drv_mips *mcore) { } static inline void bcma_core_mips_early_init(struct bcma_drv_mips *mcore) { } + +static inline unsigned int bcma_core_irq(struct bcma_device *core) +{ + return 0; +} #endif extern u32 bcma_cpu_clock(struct bcma_drv_mips *mcore); -extern unsigned int bcma_core_irq(struct bcma_device *core); - #endif /* LINUX_BCMA_DRIVER_MIPS_H_ */ -- cgit v1.2.3