diff options
| -rw-r--r-- | arch/mips/alchemy/Kconfig | 1 | ||||
| -rw-r--r-- | arch/mips/alchemy/common/Makefile | 2 | ||||
| -rw-r--r-- | arch/mips/alchemy/common/au1xxx_irqmap.c | 205 | ||||
| -rw-r--r-- | arch/mips/alchemy/common/irq.c | 785 | ||||
| -rw-r--r-- | arch/mips/alchemy/common/power.c | 6 | ||||
| -rw-r--r-- | arch/mips/alchemy/devboards/db1x00/irqmap.c | 24 | ||||
| -rw-r--r-- | arch/mips/alchemy/devboards/pb1000/board_setup.c | 9 | ||||
| -rw-r--r-- | arch/mips/alchemy/devboards/pb1100/board_setup.c | 16 | ||||
| -rw-r--r-- | arch/mips/alchemy/devboards/pb1200/board_setup.c | 5 | ||||
| -rw-r--r-- | arch/mips/alchemy/devboards/pb1200/irqmap.c | 7 | ||||
| -rw-r--r-- | arch/mips/alchemy/devboards/pb1500/board_setup.c | 18 | ||||
| -rw-r--r-- | arch/mips/alchemy/devboards/pb1550/board_setup.c | 13 | ||||
| -rw-r--r-- | arch/mips/alchemy/mtx-1/irqmap.c | 18 | ||||
| -rw-r--r-- | arch/mips/alchemy/xxs1500/irqmap.c | 31 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-au1x00/au1000.h | 18 |
15 files changed, 514 insertions, 644 deletions
diff --git a/arch/mips/alchemy/Kconfig b/arch/mips/alchemy/Kconfig index e4a057d80ab..4397d94f327 100644 --- a/arch/mips/alchemy/Kconfig +++ b/arch/mips/alchemy/Kconfig @@ -134,3 +134,4 @@ config SOC_AU1X00 select SYS_HAS_CPU_MIPS32_R1 select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_APM_EMULATION + select GENERIC_HARDIRQS_NO__DO_IRQ diff --git a/arch/mips/alchemy/common/Makefile b/arch/mips/alchemy/common/Makefile index df48fd65bbf..28b8aebb35e 100644 --- a/arch/mips/alchemy/common/Makefile +++ b/arch/mips/alchemy/common/Makefile @@ -6,7 +6,7 @@ # obj-y += prom.o irq.o puts.o time.o reset.o \ - au1xxx_irqmap.o clocks.o platform.o power.o setup.o \ + clocks.o platform.o power.o setup.o \ sleeper.o cputable.o dma.o dbdma.o gpio.o obj-$(CONFIG_PCI) += pci.o diff --git a/arch/mips/alchemy/common/au1xxx_irqmap.c b/arch/mips/alchemy/common/au1xxx_irqmap.c deleted file mode 100644 index c7ca1596394..00000000000 --- a/arch/mips/alchemy/common/au1xxx_irqmap.c +++ /dev/null @@ -1,205 +0,0 @@ -/* - * BRIEF MODULE DESCRIPTION - * Au1xxx processor specific IRQ tables - * - * Copyright 2004 Embedded Edge, LLC - * dan@embeddededge.com - * - * 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 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * 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/init.h> -#include <linux/kernel.h> - -#include <au1000.h> - -/* The IC0 interrupt table. This is processor, rather than - * board dependent, so no reason to keep this info in the board - * dependent files. - * - * Careful if you change match 2 request! - * The interrupt handler is called directly from the low level dispatch code. - */ -struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = { - -#if defined(CONFIG_SOC_AU1000) - { AU1000_UART0_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_UART1_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_UART2_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_UART3_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_TOY_MATCH2_INT, INTC_INT_RISE_EDGE, 1 }, - { AU1000_RTC_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_USB_DEV_REQ_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 }, - { AU1000_ACSYNC_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_AC97C_INT, INTC_INT_RISE_EDGE, 0 }, - -#elif defined(CONFIG_SOC_AU1500) - - { AU1500_UART0_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_PCI_INTA, INTC_INT_LOW_LEVEL, 0 }, - { AU1000_PCI_INTB, INTC_INT_LOW_LEVEL, 0 }, - { AU1500_UART3_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_PCI_INTC, INTC_INT_LOW_LEVEL, 0 }, - { AU1000_PCI_INTD, INTC_INT_LOW_LEVEL, 0 }, - { AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_TOY_MATCH2_INT, INTC_INT_RISE_EDGE, 1 }, - { AU1000_RTC_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_USB_DEV_REQ_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 }, - { AU1000_ACSYNC_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1500_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1500_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_AC97C_INT, INTC_INT_RISE_EDGE, 0 }, - -#elif defined(CONFIG_SOC_AU1100) - - { AU1100_UART0_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1100_UART1_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1100_SD_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1100_UART3_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_TOY_MATCH2_INT, INTC_INT_RISE_EDGE, 1 }, - { AU1000_RTC_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_USB_DEV_REQ_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 }, - { AU1000_ACSYNC_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1100_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 }, - /* { AU1000_GPIO215_208_INT, INTC_INT_HIGH_LEVEL, 0 }, */ - { AU1100_LCD_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_AC97C_INT, INTC_INT_RISE_EDGE, 0 }, - -#elif defined(CONFIG_SOC_AU1550) - - { AU1550_UART0_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1550_PCI_INTA, INTC_INT_LOW_LEVEL, 0 }, - { AU1550_PCI_INTB, INTC_INT_LOW_LEVEL, 0 }, - { AU1550_DDMA_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1550_CRYPTO_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1550_PCI_INTC, INTC_INT_LOW_LEVEL, 0 }, - { AU1550_PCI_INTD, INTC_INT_LOW_LEVEL, 0 }, - { AU1550_PCI_RST_INT, INTC_INT_LOW_LEVEL, 0 }, - { AU1550_UART1_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1550_UART3_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1550_PSC0_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1550_PSC1_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1550_PSC2_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1550_PSC3_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_TOY_MATCH2_INT, INTC_INT_RISE_EDGE, 1 }, - { AU1000_RTC_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1550_NAND_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1550_USB_DEV_REQ_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1550_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1550_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 }, - { AU1550_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1550_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0 }, - -#elif defined(CONFIG_SOC_AU1200) - - { AU1200_UART0_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1200_SWT_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1200_SD_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1200_DDMA_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1200_MAE_BE_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1200_UART1_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1200_MAE_FE_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1200_PSC0_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1200_PSC1_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1200_AES_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1200_CAMERA_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_TOY_MATCH2_INT, INTC_INT_RISE_EDGE, 1 }, - { AU1000_RTC_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1200_NAND_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1200_USB_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1200_LCD_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1200_MAE_BOTH_INT, INTC_INT_HIGH_LEVEL, 0 }, - -#else -#error "Error: Unknown Alchemy SOC" -#endif - -}; - -int __initdata au1xxx_ic0_nr_irqs = ARRAY_SIZE(au1xxx_ic0_map); diff --git a/arch/mips/alchemy/common/irq.c b/arch/mips/alchemy/common/irq.c index 40c6ceceb5f..c54384779fb 100644 --- a/arch/mips/alchemy/common/irq.c +++ b/arch/mips/alchemy/common/irq.c @@ -24,6 +24,7 @@ * with this program; if not, write to the Free Software Foundation, Inc., * 675 Mass Ave, Cambridge, MA 02139, USA. */ + #include <linux/bitops.h> #include <linux/init.h> #include <linux/interrupt.h> @@ -36,15 +37,174 @@ #include <asm/mach-pb1x00/pb1000.h> #endif -#define EXT_INTC0_REQ0 2 /* IP 2 */ -#define EXT_INTC0_REQ1 3 /* IP 3 */ -#define EXT_INTC1_REQ0 4 /* IP 4 */ -#define EXT_INTC1_REQ1 5 /* IP 5 */ -#define MIPS_TIMER_IP 7 /* IP 7 */ +static DEFINE_SPINLOCK(irq_lock); -void (*board_init_irq)(void) __initdata = NULL; +static int au1x_ic_settype(unsigned int irq, unsigned int flow_type); + +/* per-processor fixed function irqs */ +struct au1xxx_irqmap au1xxx_ic0_map[] __initdata = { + +#if defined(CONFIG_SOC_AU1000) + { AU1000_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_UART1_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_UART2_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_UART3_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_SSI0_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_SSI1_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE+1, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE+2, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE+3, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE+4, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE+5, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE+6, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE+7, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_TOY_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1 }, + { AU1000_RTC_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_IRDA_TX_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_IRDA_RX_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_USB_DEV_REQ_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_USB_DEV_SUS_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_USB_HOST_INT, IRQ_TYPE_LEVEL_LOW, 0 }, + { AU1000_ACSYNC_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_MAC0_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_MAC1_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_AC97C_INT, IRQ_TYPE_EDGE_RISING, 0 }, + +#elif defined(CONFIG_SOC_AU1500) + + { AU1500_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_PCI_INTA, IRQ_TYPE_LEVEL_LOW, 0 }, + { AU1000_PCI_INTB, IRQ_TYPE_LEVEL_LOW, 0 }, + { AU1500_UART3_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_PCI_INTC, IRQ_TYPE_LEVEL_LOW, 0 }, + { AU1000_PCI_INTD, IRQ_TYPE_LEVEL_LOW, 0 }, + { AU1000_DMA_INT_BASE, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE+1, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE+2, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE+3, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE+4, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE+5, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE+6, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE+7, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_TOY_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1 }, + { AU1000_RTC_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_USB_DEV_REQ_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_USB_DEV_SUS_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_USB_HOST_INT, IRQ_TYPE_LEVEL_LOW, 0 }, + { AU1000_ACSYNC_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1500_MAC0_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1500_MAC1_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_AC97C_INT, IRQ_TYPE_EDGE_RISING, 0 }, + +#elif defined(CONFIG_SOC_AU1100) + + { AU1100_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1100_UART1_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1100_SD_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1100_UART3_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_SSI0_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_SSI1_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE+1, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE+2, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE+3, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE+4, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE+5, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE+6, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_DMA_INT_BASE+7, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_TOY_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1 }, + { AU1000_RTC_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_IRDA_TX_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_IRDA_RX_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_USB_DEV_REQ_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_USB_DEV_SUS_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_USB_HOST_INT, IRQ_TYPE_LEVEL_LOW, 0 }, + { AU1000_ACSYNC_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1100_MAC0_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1100_LCD_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_AC97C_INT, IRQ_TYPE_EDGE_RISING, 0 }, + +#elif defined(CONFIG_SOC_AU1550) + + { AU1550_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1550_PCI_INTA, IRQ_TYPE_LEVEL_LOW, 0 }, + { AU1550_PCI_INTB, IRQ_TYPE_LEVEL_LOW, 0 }, + { AU1550_DDMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1550_CRYPTO_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1550_PCI_INTC, IRQ_TYPE_LEVEL_LOW, 0 }, + { AU1550_PCI_INTD, IRQ_TYPE_LEVEL_LOW, 0 }, + { AU1550_PCI_RST_INT, IRQ_TYPE_LEVEL_LOW, 0 }, + { AU1550_UART1_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1550_UART3_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1550_PSC0_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1550_PSC1_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1550_PSC2_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1550_PSC3_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_TOY_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1 }, + { AU1000_RTC_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1550_NAND_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1550_USB_DEV_REQ_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1550_USB_DEV_SUS_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1550_USB_HOST_INT, IRQ_TYPE_LEVEL_LOW, 0 }, + { AU1550_MAC0_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1550_MAC1_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + +#elif defined(CONFIG_SOC_AU1200) + + { AU1200_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1200_SWT_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1200_SD_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1200_DDMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1200_MAE_BE_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1200_UART1_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1200_MAE_FE_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1200_PSC0_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1200_PSC1_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1200_AES_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1200_CAMERA_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1000_TOY_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1 }, + { AU1000_RTC_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1000_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1200_NAND_INT, IRQ_TYPE_EDGE_RISING, 0 }, + { AU1200_USB_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1200_LCD_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + { AU1200_MAE_BOTH_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, + +#else +#error "Error: Unknown Alchemy SOC" +#endif +}; -static DEFINE_SPINLOCK(irq_lock); #ifdef CONFIG_PM @@ -130,67 +290,47 @@ void restore_au1xxx_intctl(void) #endif /* CONFIG_PM */ -inline void local_enable_irq(unsigned int irq_nr) +static void au1x_ic0_unmask(unsigned int irq_nr) { unsigned int bit = irq_nr - AU1000_INTC0_INT_BASE; - - if (bit >= 32) { - au_writel(1 << (bit - 32), IC1_MASKSET); - au_writel(1 << (bit - 32), IC1_WAKESET); - } else { - au_writel(1 << bit, IC0_MASKSET); - au_writel(1 << bit, IC0_WAKESET); - } + au_writel(1 << bit, IC0_MASKSET); + au_writel(1 << bit, IC0_WAKESET); au_sync(); } - -inline void local_disable_irq(unsigned int irq_nr) +static void au1x_ic1_unmask(unsigned int irq_nr) { - unsigned int bit = irq_nr - AU1000_INTC0_INT_BASE; + unsigned int bit = irq_nr - AU1000_INTC1_INT_BASE; + au_writel(1 << bit, IC1_MASKSET); + au_writel(1 << bit, IC1_WAKESET); - if (bit >= 32) { - au_writel(1 << (bit - 32), IC1_MASKCLR); - au_writel(1 << (bit - 32), IC1_WAKECLR); - } else { - au_writel(1 << bit, IC0_MASKCLR); - au_writel(1 << bit, IC0_WAKECLR); - } +/* very hacky. does the pb1000 cpld auto-disable this int? + * nowhere in the current kernel sources is it disabled. --mlau + */ +#if defined(CONFIG_MIPS_PB1000) + if (irq_nr == AU1000_GPIO_15) + au_writel(0x4000, PB1000_MDR); /* enable int */ +#endif au_sync(); } - -static inline void mask_and_ack_rise_edge_irq(unsigned int irq_nr) +static void au1x_ic0_mask(unsigned int irq_nr) { unsigned int bit = irq_nr - AU1000_INTC0_INT_BASE; - - if (bit >= 32) { - au_writel(1 << (bit - 32), IC1_RISINGCLR); - au_writel(1 << (bit - 32), IC1_MASKCLR); - } else { - au_writel(1 << bit, IC0_RISINGCLR); - au_writel(1 << bit, IC0_MASKCLR); - } + au_writel(1 << bit, IC0_MASKCLR); + au_writel(1 << bit, IC0_WAKECLR); au_sync(); } - -static inline void mask_and_ack_fall_edge_irq(unsigned int irq_nr) +static void au1x_ic1_mask(unsigned int irq_nr) { - unsigned int bit = irq_nr - AU1000_INTC0_INT_BASE; - - if (bit >= 32) { - au_writel(1 << (bit - 32), IC1_FALLINGCLR); - au_writel(1 << (bit - 32), IC1_MASKCLR); - } else { - au_writel(1 << bit, IC0_FALLINGCLR); - au_writel(1 << bit, IC0_MASKCLR); - } + unsigned int bit = irq_nr - AU1000_INTC1_INT_BASE; + au_writel(1 << bit, IC1_MASKCLR); + au_writel(1 << bit, IC1_WAKECLR); au_sync(); } - -static inline void mask_and_ack_either_edge_irq(unsigned int irq_nr) +static void au1x_ic0_ack(unsigned int irq_nr) { unsigned int bit = irq_nr - AU1000_INTC0_INT_BASE; @@ -198,349 +338,229 @@ static inline void mask_and_ack_either_edge_irq(unsigned int irq_nr) * This may assume that we don't get interrupts from * both edges at once, or if we do, that we don't care. */ - if (bit >= 32) { - au_writel(1 << (bit - 32), IC1_FALLINGCLR); - au_writel(1 << (bit - 32), IC1_RISINGCLR); - au_writel(1 << (bit - 32), IC1_MASKCLR); - } else { - au_writel(1 << bit, IC0_FALLINGCLR); - au_writel(1 << bit, IC0_RISINGCLR); - au_writel(1 << bit, IC0_MASKCLR); - } + au_writel(1 << bit, IC0_FALLINGCLR); + au_writel(1 << bit, IC0_RISINGCLR); au_sync(); } -static inline void mask_and_ack_level_irq(unsigned int irq_nr) -{ - local_disable_irq(irq_nr); - au_sync(); -#if defined(CONFIG_MIPS_PB1000) - if (irq_nr == AU1000_GPIO_15) { - au_writel(0x8000, PB1000_MDR); /* ack int */ - au_sync(); - } -#endif -} - -static void end_irq(unsigned int irq_nr) +static void au1x_ic1_ack(unsigned int irq_nr) { - if (!(irq_desc[irq_nr].status & (IRQ_DISABLED | IRQ_INPROGRESS))) - local_enable_irq(irq_nr); - -#if defined(CONFIG_MIPS_PB1000) - if (irq_nr == AU1000_GPIO_15) { - au_writel(0x4000, PB1000_MDR); /* enable int */ - au_sync(); - } -#endif -} - -unsigned long save_local_and_disable(int controller) -{ - int i; - unsigned long flags, mask; - - spin_lock_irqsave(&irq_lock, flags); - if (controller) { - mask = au_readl(IC1_MASKSET); - for (i = 32; i < 64; i++) - local_disable_irq(i); - } else { - mask = au_readl(IC0_MASKSET); - for (i = 0; i < 32; i++) - local_disable_irq(i); - } - spin_unlock_irqrestore(&irq_lock, flags); + unsigned int bit = irq_nr - AU1000_INTC1_INT_BASE; - return mask; + /* + * This may assume that we don't get interrupts from + * both edges at once, or if we do, that we don't care. + */ + au_writel(1 << bit, IC1_FALLINGCLR); + au_writel(1 << bit, IC1_RISINGCLR); + au_sync(); } -void restore_local_and_enable(int controller, unsigned long mask) +static int au1x_ic1_setwake(unsigned int irq, unsigned int on) { - int i; - unsigned long flags, new_mask; + unsigned int bit = irq - AU1000_INTC1_INT_BASE; + unsigned long wakemsk, flags; - spin_lock_irqsave(&irq_lock, flags); - for (i = 0; i < 32; i++) - if (mask & (1 << i)) { - if (controller) - local_enable_irq(i + 32); - else - local_enable_irq(i); - } + /* only GPIO 0-7 can act as wakeup source: */ + if ((irq < AU1000_GPIO_0) || (irq > AU1000_GPIO_7)) + return -EINVAL; - if (controller) - new_mask = au_readl(IC1_MASKSET); + local_irq_save(flags); + wakemsk = au_readl(SYS_WAKEMSK); + if (on) + wakemsk |= 1 << bit; else - new_mask = au_readl(IC0_MASKSET); + wakemsk &= ~(1 << bit); + au_writel(wakemsk, SYS_WAKEMSK); + au_sync(); + local_irq_restore(flags); - spin_unlock_irqrestore(&irq_lock, flags); + return 0; } - -static struct irq_chip rise_edge_irq_type = { - .name = "Au1000 Rise Edge", - .ack = mask_and_ack_rise_edge_irq, - .mask = local_disable_irq, - .mask_ack = mask_and_ack_rise_edge_irq, - .unmask = local_enable_irq, - .end = end_irq, -}; - -static struct irq_chip fall_edge_irq_type = { - .name = "Au1000 Fall Edge", - .ack = mask_and_ack_fall_edge_irq, - .mask = local_disable_irq, - .mask_ack = mask_and_ack_fall_edge_irq, - .unmask = local_enable_irq, - .end = end_irq, -}; - -static struct irq_chip either_edge_irq_type = { - .name = "Au1000 Rise or Fall Edge", - .ack = mask_and_ack_either_edge_irq, - .mask = local_disable_irq, - .mask_ack = mask_and_ack_either_edge_irq, - .unmask = local_enable_irq, - .end = end_irq, +/* + * irq_chips for both ICs; this way the mask handlers can be + * as short as possible. + * + * NOTE: the ->ack() callback is used by the handle_edge_irq + * flowhandler only, the ->mask_ack() one by handle_level_irq, + * so no need for an irq_chip for each type of irq (level/edge). + */ +static struct irq_chip au1x_ic0_chip = { + .name = "Alchemy-IC0", + .ack = au1x_ic0_ack, /* edge */ + .mask = au1x_ic0_mask, + .mask_ack = au1x_ic0_mask, /* level */ + .unmask = au1x_ic0_unmask, + .set_type = au1x_ic_settype, }; -static struct irq_chip level_irq_type = { - .name = "Au1000 Level", - .ack = mask_and_ack_level_irq, - .mask = local_disable_irq, - .mask_ack = mask_and_ack_level_irq, - .unmask = local_enable_irq, - .end = end_irq, +static struct irq_chip au1x_ic1_chip = { + .name = "Alchemy-IC1", + .ack = au1x_ic1_ack, /* edge */ + .mask = au1x_ic1_mask, + .mask_ack = au1x_ic1_mask, /* level */ + .unmask = au1x_ic1_unmask, + .set_type = au1x_ic_settype, + .set_wake = au1x_ic1_setwake, }; -static void __init setup_local_irq(unsigned int irq_nr, int type, int int_req) +static int au1x_ic_settype(unsigned int irq, unsigned int flow_type) { - unsigned int bit = irq_nr - AU1000_INTC0_INT_BASE; - - if (irq_nr > AU1000_MAX_INTR) - return; - - /* Config2[n], Config1[n], Config0[n] */ - if (bit >= 32) { - switch (type) { - case INTC_INT_RISE_EDGE: /* 0:0:1 */ - au_writel(1 << (bit - 32), IC1_CFG2CLR); - au_writel(1 << (bit - 32), IC1_CFG1CLR); - au_writel(1 << (bit - 32), IC1_CFG0SET); - set_irq_chip(irq_nr, &rise_edge_irq_type); - break; - case INTC_INT_FALL_EDGE: /* 0:1:0 */ - au_writel(1 << (bit - 32), IC1_CFG2CLR); - au_writel(1 << (bit - 32), IC1_CFG1SET); - au_writel(1 << (bit - 32), IC1_CFG0CLR); - set_irq_chip(irq_nr, &fall_edge_irq_type); - break; - case INTC_INT_RISE_AND_FALL_EDGE: /* 0:1:1 */ - au_writel(1 << (bit - 32), IC1_CFG2CLR); - au_writel(1 << (bit - 32), IC1_CFG1SET); - au_writel(1 << (bit - 32), IC1_CFG0SET); - set_irq_chip(irq_nr, &either_edge_irq_type); - break; - case INTC_INT_HIGH_LEVEL: /* 1:0:1 */ - au_writel(1 << (bit - 32), IC1_CFG2SET); - au_writel(1 << (bit - 32), IC1_CFG1CLR); - au_writel(1 << (bit - 32), IC1_CFG0SET); - set_irq_chip(irq_nr, &level_irq_type); - break; - case INTC_INT_LOW_LEVEL: /* 1:1:0 */ - au_writel(1 << (bit - 32), IC1_CFG2SET); - au_writel(1 << (bit - 32), IC1_CFG1SET); - au_writel(1 << (bit - 32), IC1_CFG0CLR); - set_irq_chip(irq_nr, &level_irq_type); - break; - case INTC_INT_DISABLED: /* 0:0:0 */ - au_writel(1 << (bit - 32), IC1_CFG0CLR); - au_writel(1 << (bit - 32), IC1_CFG1CLR); - au_writel(1 << (bit - 32), IC1_CFG2CLR); - break; - default: /* disable the interrupt */ - printk(KERN_WARNING "unexpected int type %d (irq %d)\n", - type, irq_nr); - au_writel(1 << (bit - 32), IC1_CFG0CLR); - au_writel(1 << (bit - 32), IC1_CFG1CLR); - au_writel(1 << (bit - 32), IC1_CFG2CLR); - return; - } - if (int_req) /* assign to interrupt request 1 */ - au_writel(1 << (bit - 32), IC1_ASSIGNCLR); - else /* assign to interrupt request 0 */ - au_writel(1 << (bit - 32), IC1_ASSIGNSET); - au_writel(1 << (bit - 32), IC1_SRCSET); - au_writel(1 << (bit - 32), IC1_MASKCLR); - au_writel(1 << (bit - 32), IC1_WAKECLR); + struct irq_chip *chip; + unsigned long icr[6]; + unsigned int bit, ic; + int ret; + + if (irq >= AU1000_INTC1_INT_BASE) { + bit = irq - AU1000_INTC1_INT_BASE; + chip = &au1x_ic1_chip; + ic = 1; } else { - switch (type) { - case INTC_INT_RISE_EDGE: /* 0:0:1 */ - au_writel(1 << bit, IC0_CFG2CLR); - au_writel(1 << bit, IC0_CFG1CLR); - au_writel(1 << bit, IC0_CFG0SET); - set_irq_chip(irq_nr, &rise_edge_irq_type); - break; - case INTC_INT_FALL_EDGE: /* 0:1:0 */ - au_writel(1 << bit, IC0_CFG2CLR); - au_writel(1 << bit, IC0_CFG1SET); - au_writel(1 << bit, IC0_CFG0CLR); - set_irq_chip(irq_nr, &fall_edge_irq_type); - break; - case INTC_INT_RISE_AND_FALL_EDGE: /* 0:1:1 */ - au_writel(1 << bit, IC0_CFG2CLR); - au_writel(1 << bit, IC0_CFG1SET); - au_writel(1 << bit, IC0_CFG0SET); - set_irq_chip(irq_nr, &either_edge_irq_type); - break; - case INTC_INT_HIGH_LEVEL: /* 1:0:1 */ - au_writel(1 << bit, IC0_CFG2SET); - au_writel(1 << bit, IC0_CFG1CLR); - au_writel(1 << bit, IC0_CFG0SET); - set_irq_chip(irq_nr, &level_irq_type); - break; - case INTC_INT_LOW_LEVEL: /* 1:1:0 */ - au_writel(1 << bit, IC0_CFG2SET); - au_writel(1 << bit, IC0_CFG1SET); - au_writel(1 << bit, IC0_CFG0CLR); - set_irq_chip(irq_nr, &level_irq_type); - break; - case INTC_INT_DISABLED: /* 0:0:0 */ - au_writel(1 << bit, IC0_CFG0CLR); - au_writel(1 << bit, IC0_CFG1CLR); - au_writel(1 << bit, IC0_CFG2CLR); - break; - default: /* disable the interrupt */ - printk(KERN_WARNING "unexpected int type %d (irq %d)\n", - type, irq_nr); - au_writel(1 << bit, IC0_CFG0CLR); - au_writel(1 << bit, IC0_CFG1CLR); - au_writel(1 << bit, IC0_CFG2CLR); - return; - } - if (int_req) /* assign to interrupt request 1 */ - au_writel(1 << bit, IC0_ASSIGNCLR); - else /* assign to interrupt request 0 */ - au_writel(1 << bit, IC0_ASSIGNSET); - au_writel(1 << bit, IC0_SRCSET); - au_writel(1 << bit, IC0_MASKCLR); - au_writel(1 << bit, IC0_WAKECLR); + bit = irq - AU1000_INTC0_INT_BASE; + chip = &au1x_ic0_chip; + ic = 0; + } + + if (bit > 31) + return -EINVAL; + + icr[0] = ic ? IC1_CFG0SET : IC0_CFG0SET; + icr[1] = ic ? IC1_CFG1SET : IC0_CFG1SET; + icr[2] = ic ? IC1_CFG2SET : IC0_CFG2SET; + icr[3] = ic ? IC1_CFG0CLR : IC0_CFG0CLR; + icr[4] = ic ? IC1_CFG1CLR : IC0_CFG1CLR; + icr[5] = ic ? IC1_CFG2CLR : IC0_CFG2CLR; + + ret = 0; + + switch (flow_type) { /* cfgregs 2:1:0 */ + case IRQ_TYPE_EDGE_RISING: /* 0:0:1 */ + au_writel(1 << bit, icr[5]); + au_writel(1 << bit, icr[4]); + au_writel(1 << bit, icr[0]); + set_irq_chip_and_handler_name(irq, chip, + handle_edge_irq, "riseedge"); + break; + case IRQ_TYPE_EDGE_FALLING: /* 0:1:0 */ + au_writel(1 << bit, icr[5]); + au_writel(1 << bit, icr[1]); + au_writel(1 << bit, icr[3]); + set_irq_chip_and_handler_name(irq, chip, + handle_edge_irq, "falledge"); + break; + case IRQ_TYPE_EDGE_BOTH: /* 0:1:1 */ + au_writel(1 << bit, icr[5]); + au_writel(1 << bit, icr[1]); + au_writel(1 << bit, icr[0]); + set_irq_chip_and_handler_name(irq, chip, + handle_edge_irq, "bothedge"); + break; + case IRQ_TYPE_LEVEL_HIGH: /* 1:0:1 */ + au_writel(1 << bit, icr[2]); + au_writel(1 << bit, icr[4]); + au_writel(1 << bit, icr[0]); + set_irq_chip_and_handler_name(irq, chip, + handle_level_irq, "hilevel"); + break; + case IRQ_TYPE_LEVEL_LOW: /* 1:1:0 */ + au_writel(1 << bit, icr[2]); + au_writel(1 << bit, icr[1]); + au_writel(1 << bit, icr[3]); + set_irq_chip_and_handler_name(irq, chip, + handle_level_irq, "lowlevel"); + break; + case IRQ_TYPE_NONE: /* 0:0:0 */ + au_writel(1 << bit, icr[5]); + au_writel(1 << bit, icr[4]); + au_writel(1 << bit, icr[3]); + /* set at least chip so we can call set_irq_type() on it */ + set_irq_chip(irq, chip); + break; + default: + ret = -EINVAL; } au_sync(); -} -/* - * Interrupts are nested. Even if an interrupt handler is registered - * as "fast", we might get another interrupt before we return from - * intcX_reqX_irqdispatch(). - */ + return ret; +} -static void intc0_req0_irqdispatch(void) +asmlinkage void plat_irq_dispatch(void) { - static unsigned long intc0_req0; - unsigned int bit; - - intc0_req0 |= au_readl(IC0_REQ0INT); + unsigned int pending = read_c0_status() & read_c0_cause(); + unsigned long s, off, bit; - if (!intc0_req0) + if (pending & CAUSEF_IP7) { + do_IRQ(MIPS_CPU_IRQ_BASE + 7); return; - + } else if (pending & CAUSEF_IP2) { + s = IC0_REQ0INT; + off = AU1000_INTC0_INT_BASE; + } else if (pending & CAUSEF_IP3) { + s = IC0_REQ1INT; + off = AU1000_INTC0_INT_BASE; + } else if (pending & CAUSEF_IP4) { + s = IC1_REQ0INT; + off = AU1000_INTC1_INT_BASE; + } else if (pending & CAUSEF_IP5) { + s = IC1_REQ1INT; + off = AU1000_INTC1_INT_BASE; + } else + goto spurious; + + bit = 0; + s = au_readl(s); + if (unlikely(!s)) { +spurious: + spurious_interrupt(); + return; + } #ifdef AU1000_USB_DEV_REQ_INT /* * Because of the tight timing of SETUP token to reply * transactions, the USB devices-side packet complete * interrupt needs the highest priority. */ - if ((intc0_req0 & (1 << AU1000_USB_DEV_REQ_INT))) { - intc0_req0 &= ~(1 << AU1000_USB_DEV_REQ_INT); + bit = 1 << (AU1000_USB_DEV_REQ_INT - AU1000_INTC0_INT_BASE); + if ((pending & CAUSEF_IP2) && (s & bit)) { do_IRQ(AU1000_USB_DEV_REQ_INT); return; } #endif - bit = __ffs(intc0_req0); - intc0_req0 &= ~(1 << bit); - do_IRQ(AU1000_INTC0_INT_BASE + bit); + do_IRQ(__ffs(s) + off); } - -static void intc0_req1_irqdispatch(void) +/* setup edge/level and assign request 0/1 */ +void __init au1xxx_setup_irqmap(struct au1xxx_irqmap *map, int count) { - static unsigned long intc0_req1; - unsigned int bit; - - intc0_req1 |= au_readl(IC0_REQ1INT); - - if (!intc0_req1) - return; - - bit = __ffs(intc0_req1); - intc0_req1 &= ~(1 << bit); - do_IRQ(AU1000_INTC0_INT_BASE + bit); -} - - -/* - * Interrupt Controller 1: - * interrupts 32 - 63 - */ -static void intc1_req0_irqdispatch(void) -{ - static unsigned long intc1_req0; - unsigned int bit; - - intc1_req0 |= au_readl(IC1_REQ0INT); - - if (!intc1_req0) - return; - - bit = __ffs(intc1_req0); - intc1_req0 &= ~(1 << bit); - do_IRQ(AU1000_INTC1_INT_BASE + bit); -} - - -static void intc1_req1_irqdispatch(void) -{ - static unsigned long intc1_req1; - unsigned int bit; - - intc1_req1 |= au_readl(IC1_REQ1INT); - - if (!intc1_req1) - return; - - bit = __ffs(intc1_req1); - intc1_req1 &= ~(1 << bit); - do_IRQ(AU1000_INTC1_INT_BASE + bit); -} - -asmlinkage void plat_irq_dispatch(void) -{ - unsigned int pending = read_c0_status() & read_c0_cause(); + unsigned int bit, irq_nr; + + while (count--) { + irq_nr = map[count].im_irq; + + if (((irq_nr < AU1000_INTC0_INT_BASE) || + (irq_nr >= AU1000_INTC0_INT_BASE + 32)) && + ((irq_nr < AU1000_INTC1_INT_BASE) || + (irq_nr >= AU1000_INTC1_INT_BASE + 32))) + continue; + + if (irq_nr >= AU1000_INTC1_INT_BASE) { + bit = irq_nr - AU1000_INTC1_INT_BASE; + if (map[count].im_request) + au_writel(1 << bit, IC1_ASSIGNCLR); + } else { + bit = irq_nr - AU1000_INTC0_INT_BASE; + if (map[count].im_request) + au_writel(1 << bit, IC0_ASSIGNCLR); + } - if (pending & CAUSEF_IP7) - do_IRQ(MIPS_CPU_IRQ_BASE + 7); - else if (pending & CAUSEF_IP2) - intc0_req0_irqdispatch(); - else if (pending & CAUSEF_IP3) - intc0_req1_irqdispatch(); - else if (pending & CAUSEF_IP4) - intc1_req0_irqdispatch(); - else if (pending & CAUSEF_IP5) - intc1_req1_irqdispatch(); - else - spurious_interrupt(); + au1x_ic_settype(irq_nr, map[count].im_type); + } } void __init arch_init_irq(void) { int i; - struct au1xxx_irqmap *imp; - extern struct au1xxx_irqmap au1xxx_irq_map[]; - extern struct au1xxx_irqmap au1xxx_ic0_map[]; - extern int au1xxx_nr_irqs; - extern int au1xxx_ic0_nr_irqs; /* * Initialize interrupt controllers to a safe state. @@ -569,28 +589,67 @@ void __init arch_init_irq(void) mips_cpu_irq_init(); - /* - * Initialize IC0, which is fixed per processor. + /* register all 64 possible IC0+IC1 irq sources as type "none". + * Use set_irq_type() to set edge/level behaviour at runtime. */ - imp = au1xxx_ic0_map; - for (i = 0; i < au1xxx_ic0_nr_irqs; i++) { - setup_local_irq(imp->im_irq, imp->im_type, imp->im_request); - imp++; - } + for (i = AU1000_INTC0_INT_BASE; + (i < AU1000_INTC0_INT_BASE + 32); i++) + au1x_ic_settype(i, IRQ_TYPE_NONE); + + for (i = AU1000_INTC1_INT_BASE; + (i < AU1000_INTC1_INT_BASE + 32); i++) + au1x_ic_settype(i, IRQ_TYPE_NONE); /* - * Now set up the irq mapping for the board. + * Initialize IC0, which is fixed per processor. */ - imp = au1xxx_irq_map; - for (i = 0; i < au1xxx_nr_irqs; i++) { - setup_local_irq(imp->im_irq, imp->im_type, imp->im_request); - imp++; + au1xxx_setup_irqmap(au1xxx_ic0_map, ARRAY_SIZE(au1xxx_ic0_map)); + + /* Boards can register additional (GPIO-based) IRQs. + */ + board_init_irq(); + + set_c0_status(IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3); +} + +unsigned long save_local_and_disable(int controller) +{ + int i; + unsigned long flags, mask; + + spin_lock_irqsave(&irq_lock, flags); + if (controller) { + mask = au_readl(IC1_MASKSET); + for (i = 0; i < 32; i++) + au1x_ic1_mask(i + AU1000_INTC1_INT_BASE); + } else { + mask = au_readl(IC0_MASKSET); + for (i = 0; i < 32; i++) + au1x_ic0_mask(i + AU1000_INTC0_INT_BASE); } + spin_unlock_irqrestore(&irq_lock, flags); - set_c0_status(IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3 | IE_IRQ4); + return mask; +} - /* Board specific IRQ initialization. - */ - if (board_init_irq) - board_init_irq(); +void restore_local_and_enable(int controller, unsigned long mask) +{ + int i; + unsigned long flags, new_mask; + + spin_lock_irqsave(&irq_lock, flags); + for (i = 0; i < 32; i++) + if (mask & (1 << i)) { + if (controller) + au1x_ic1_unmask(i + AU1000_INTC1_INT_BASE); + else + au1x_ic0_unmask(i + AU1000_INTC0_INT_BASE); + } + + if (controller) + new_mask = au_readl(IC1_MASKSET); + else + new_mask = au_readl(IC0_MASKSET); + + spin_unlock_irqrestore(&irq_lock, flags); } diff --git a/arch/mips/alchemy/common/power.c b/arch/mips/alchemy/common/power.c index bd854a6d1d8..33a3cdb7444 100644 --- a/arch/mips/alchemy/common/power.c +++ b/arch/mips/alchemy/common/power.c @@ -51,7 +51,6 @@ static void au1000_calibrate_delay(void); extern unsigned long save_local_and_disable(int controller); extern void restore_local_and_enable(int controller, unsigned long mask); -extern void local_enable_irq(unsigned int irq_nr); static DEFINE_SPINLOCK(pm_lock); @@ -364,7 +363,10 @@ static int pm_do_freq(ctl_table *ctl, int write, struct file *file, */ intc0_mask = save_local_and_disable(0); intc1_mask = save_local_and_disable(1); - local_enable_irq(AU1000_TOY_MATCH2_INT); + val = 1 << (AU1000_TOY_MATCH2_INT - AU1000_INTC0_INT_BASE); + au_writel(val, IC0_MASKSET); /* unmask */ + au_writel(val, IC0_WAKESET); /* enable wake-from-sleep */ + au_sync(); spin_unlock_irqrestore(&pm_lock, flags); au1000_calibrate_delay(); restore_local_and_enable(0, intc0_mask); diff --git a/arch/mips/alchemy/devboards/db1x00/irqmap.c b/arch/mips/alchemy/devboards/db1x00/irqmap.c index 94c090e8bf7..0b09025087c 100644 --- a/arch/mips/alchemy/devboards/db1x00/irqmap.c +++ b/arch/mips/alchemy/devboards/db1x00/irqmap.c @@ -27,6 +27,7 @@ */ #include <linux/init.h> +#include <linux/interrupt.h> #include <asm/mach-au1x00/au1000.h> @@ -66,21 +67,24 @@ struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { #ifndef CONFIG_MIPS_MIRAGE #ifdef CONFIG_MIPS_DB1550 - { AU1000_GPIO_3, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card 0 IRQ# */ - { AU1000_GPIO_5, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card 1 IRQ# */ + { AU1000_GPIO_3, IRQF_TRIGGER_LOW, 0 }, /* PCMCIA Card 0 IRQ# */ + { AU1000_GPIO_5, IRQF_TRIGGER_LOW, 0 }, /* PCMCIA Card 1 IRQ# */ #else - { AU1000_GPIO_0, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card 0 Fully_Interted# */ - { AU1000_GPIO_1, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card 0 STSCHG# */ - { AU1000_GPIO_2, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card 0 IRQ# */ + { AU1000_GPIO_0, IRQF_TRIGGER_LOW, 0 }, /* PCMCIA Card 0 Fully_Interted# */ + { AU1000_GPIO_1, IRQF_TRIGGER_LOW, 0 }, /* PCMCIA Card 0 STSCHG# */ + { AU1000_GPIO_2, IRQF_TRIGGER_LOW, 0 }, /* PCMCIA Card 0 IRQ# */ - { AU1000_GPIO_3, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card 1 Fully_Interted# */ - { AU1000_GPIO_4, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card 1 STSCHG# */ - { AU1000_GPIO_5, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card 1 IRQ# */ + { AU1000_GPIO_3, IRQF_TRIGGER_LOW, 0 }, /* PCMCIA Card 1 Fully_Interted# */ + { AU1000_GPIO_4, IRQF_TRIGGER_LOW, 0 }, /* PCMCIA Card 1 STSCHG# */ + { AU1000_GPIO_5, IRQF_TRIGGER_LOW, 0 }, /* PCMCIA Card 1 IRQ# */ #endif #else - { AU1000_GPIO_7, INTC_INT_RISE_EDGE, 0 }, /* touchscreen pen down */ + { AU1000_GPIO_7, IRQF_TRIGGER_RISING, 0 }, /* touchscreen pen down */ #endif }; -int __initdata au1xxx_nr_irqs = ARRAY_SIZE(au1xxx_irq_map); +void __init board_init_irq(void) +{ + au1xxx_setup_irqmap(au1xxx_irq_map, ARRAY_SIZE(au1xxx_irq_map)); +} diff --git a/arch/mips/alchemy/devboards/pb1000/board_setup.c b/arch/mips/alchemy/devboards/pb1000/board_setup.c index 889c8fda2ab..aed2fdecc70 100644 --- a/arch/mips/alchemy/devboards/pb1000/board_setup.c +++ b/arch/mips/alchemy/devboards/pb1000/board_setup.c @@ -32,11 +32,9 @@ struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { - { AU1000_GPIO_15, INTC_INT_LOW_LEVEL, 0 }, + { AU1000_GPIO_15, IRQF_TRIGGER_LOW, 0 }, }; -int __initdata au1xxx_nr_irqs = ARRAY_SIZE(au1xxx_irq_map); - const char *get_system_type(void) { @@ -47,6 +45,11 @@ void board_reset(void) { } +void __init board_init_irq(void) +{ + au1xxx_setup_irqmap(au1xxx_irq_map, ARRAY_SIZE(au1xxx_irq_map)); +} + void __init board_setup(void) { u32 pin_func, static_cfg0; diff --git a/arch/mips/alchemy/devboards/pb1100/board_setup.c b/arch/mips/alchemy/devboards/pb1100/board_setup.c index fbd211e1348..4df57fae15d 100644 --- a/arch/mips/alchemy/devboards/pb1100/board_setup.c +++ b/arch/mips/alchemy/devboards/pb1100/board_setup.c @@ -25,6 +25,7 @@ #include <linux/init.h> #include <linux/delay.h> +#include <linux/interrupt.h> #include <asm/mach-au1x00/au1000.h> #include <asm/mach-pb1x00/pb1100.h> @@ -33,14 +34,12 @@ struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { - { AU1000_GPIO_9, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card Fully_Inserted# */ - { AU1000_GPIO_10, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card STSCHG# */ - { AU1000_GPIO_11, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card IRQ# */ - { AU1000_GPIO_13, INTC_INT_LOW_LEVEL, 0 }, /* DC_IRQ# */ + { AU1000_GPIO_9, IRQF_TRIGGER_LOW, 0 }, /* PCMCIA Card Fully_Inserted# */ + { AU1000_GPIO_10, IRQF_TRIGGER_LOW, 0 }, /* PCMCIA Card STSCHG# */ + { AU1000_GPIO_11, IRQF_TRIGGER_LOW, 0 }, /* PCMCIA Card IRQ# */ + { AU1000_GPIO_13, IRQF_TRIGGER_LOW, 0 }, /* DC_IRQ# */ }; -int __initdata au1xxx_nr_irqs = ARRAY_SIZE(au1xxx_irq_map); - const char *get_system_type(void) { @@ -53,6 +52,11 @@ void board_reset(void) au_writel(0x00000000, PB1100_RST_VDDI); } +void __init board_init_irq(void) +{ + au1xxx_setup_irqmap(au1xxx_irq_map, ARRAY_SIZE(au1xxx_irq_map)); +} + void __init board_setup(void) { volatile void __iomem *base = (volatile void __iomem *)0xac000000UL; diff --git a/arch/mips/alchemy/devboards/pb1200/board_setup.c b/arch/mips/alchemy/devboards/pb1200/board_setup.c index b5585e46200..94e6b7e7753 100644 --- a/arch/mips/alchemy/devboards/pb1200/board_setup.c +++ b/arch/mips/alchemy/devboards/pb1200/board_setup.c @@ -30,8 +30,6 @@ #include <prom.h> #include <au1xxx.h> -extern void _board_init_irq(void); -extern void (*board_init_irq)(void); const char *get_system_type(void) { @@ -131,9 +129,6 @@ void __init board_setup(void) #ifdef CONFIG_MIPS_DB1200 printk(KERN_INFO "AMD Alchemy Db1200 Board\n"); #endif - - /* Setup Pb1200 External Interrupt Controller */ - board_init_irq = _board_init_irq; } int board_au1200fb_panel(void) diff --git a/arch/mips/alchemy/devboards/pb1200/irqmap.c b/arch/mips/alchemy/devboards/pb1200/irqmap.c index 2a505ad8715..1f92fec24a3 100644 --- a/arch/mips/alchemy/devboards/pb1200/irqmap.c +++ b/arch/mips/alchemy/devboards/pb1200/irqmap.c @@ -40,10 +40,9 @@ struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { /* This is external interrupt cascade */ - { AU1000_GPIO_7, INTC_INT_LOW_LEVEL, 0 }, + { AU1000_GPIO_7, IRQF_TRIGGER_LOW, 0 }, }; -int __initdata au1xxx_nr_irqs = ARRAY_SIZE(au1xxx_irq_map); /* * Support for External interrupts on the Pb1200 Development platform. @@ -121,10 +120,12 @@ static struct irq_chip external_irq_type = { .unmask = pb1200_enable_irq, }; -void _board_init_irq(void) +void __init board_init_irq(void) { unsigned int irq; + au1xxx_setup_irqmap(au1xxx_irq_map, ARRAY_SIZE(au1xxx_irq_map)); + #ifdef CONFIG_MIPS_PB1200 /* We have a problem with CPLD rev 3. */ if (((bcsr->whoami & BCSR_WHOAMI_CPLD) >> 4) <= 3) { diff --git a/arch/mips/alchemy/devboards/pb1500/board_setup.c b/arch/mips/alchemy/devboards/pb1500/board_setup.c index dcb36a66442..fed3b093156 100644 --- a/arch/mips/alchemy/devboards/pb1500/board_setup.c +++ b/arch/mips/alchemy/devboards/pb1500/board_setup.c @@ -25,6 +25,7 @@ #include <linux/init.h> #include <linux/delay.h> +#include <linux/interrupt.h> #include <asm/mach-au1x00/au1000.h> #include <asm/mach-pb1x00/pb1500.h> @@ -38,15 +39,13 @@ char irq_tab_alchemy[][5] __initdata = { }; struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { - { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0 }, - { AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 }, - { AU1500_GPIO_202, INTC_INT_LOW_LEVEL, 0 }, - { AU1500_GPIO_203, INTC_INT_LOW_LEVEL, 0 }, - { AU1500_GPIO_205, INTC_INT_LOW_LEVEL, 0 }, + { AU1500_GPIO_204, IRQF_TRIGGER_HIGH, 0 }, + { AU1500_GPIO_201, IRQF_TRIGGER_LOW, 0 }, + { AU1500_GPIO_202, IRQF_TRIGGER_LOW, 0 }, + { AU1500_GPIO_203, IRQF_TRIGGER_LOW, 0 }, + { AU1500_GPIO_205, IRQF_TRIGGER_LOW, 0 }, }; -int __initdata au1xxx_nr_irqs = ARRAY_SIZE(au1xxx_irq_map); - const char *get_system_type(void) { @@ -59,6 +58,11 @@ void board_reset(void) au_writel(0x00000000, PB1500_RST_VDDI); } +void __init board_init_irq(void) +{ + au1xxx_setup_irqmap(au1xxx_irq_map, ARRAY_SIZE(au1xxx_irq_map)); +} + void __init board_setup(void) { u32 pin_func; diff --git a/arch/mips/alchemy/devboards/pb1550/board_setup.c b/arch/mips/alchemy/devboards/pb1550/board_setup.c index f462652d762..b6e9e7d247a 100644 --- a/arch/mips/alchemy/devboards/pb1550/board_setup.c +++ b/arch/mips/alchemy/devboards/pb1550/board_setup.c @@ -28,6 +28,7 @@ */ #include <linux/init.h> +#include <linux/interrupt.h> #include <asm/mach-au1x00/au1000.h> #include <asm/mach-pb1x00/pb1550.h> @@ -41,13 +42,10 @@ char irq_tab_alchemy[][5] __initdata = { }; struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { - { AU1000_GPIO_0, INTC_INT_LOW_LEVEL, 0 }, - { AU1000_GPIO_1, INTC_INT_LOW_LEVEL, 0 }, + { AU1000_GPIO_0, IRQF_TRIGGER_LOW, 0 }, + { AU1000_GPIO_1, IRQF_TRIGGER_LOW, 0 }, }; -int __initdata au1xxx_nr_irqs = ARRAY_SIZE(au1xxx_irq_map); - - const char *get_system_type(void) { return "Alchemy Pb1550"; @@ -59,6 +57,11 @@ void board_reset(void) au_writew(au_readw(0xAF00001C) & ~BCSR_SYSTEM_RESET, 0xAF00001C); } +void __init board_init_irq(void) +{ + au1xxx_setup_irqmap(au1xxx_irq_map, ARRAY_SIZE(au1xxx_irq_map)); +} + void __init board_setup(void) { u32 pin_func; diff --git a/arch/mips/alchemy/mtx-1/irqmap.c b/arch/mips/alchemy/mtx-1/irqmap.c index f2bf02951e9..f1ab12ab343 100644 --- a/arch/mips/alchemy/mtx-1/irqmap.c +++ b/arch/mips/alchemy/mtx-1/irqmap.c @@ -27,7 +27,7 @@ */ #include <linux/init.h> - +#include <linux/interrupt.h> #include <asm/mach-au1x00/au1000.h> char irq_tab_alchemy[][5] __initdata = { @@ -42,11 +42,15 @@ char irq_tab_alchemy[][5] __initdata = { }; struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { - { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0 }, - { AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 }, - { AU1500_GPIO_202, INTC_INT_LOW_LEVEL, 0 }, - { AU1500_GPIO_203, INTC_INT_LOW_LEVEL, 0 }, - { AU1500_GPIO_205, INTC_INT_LOW_LEVEL, 0 }, + { AU1500_GPIO_204, IRQF_TRIGGER_HIGH, 0 }, + { AU1500_GPIO_201, IRQF_TRIGGER_LOW, 0 }, + { AU1500_GPIO_202, IRQF_TRIGGER_LOW, 0 }, + { AU1500_GPIO_203, IRQF_TRIGGER_LOW, 0 }, + { AU1500_GPIO_205, IRQF_TRIGGER_LOW, 0 }, }; -int __initdata au1xxx_nr_irqs = ARRAY_SIZE(au1xxx_irq_map); + +void __init board_init_irq(void) +{ + au1xxx_setup_irqmap(au1xxx_irq_map, ARRAY_SIZE(au1xxx_irq_map)); +} diff --git a/arch/mips/alchemy/xxs1500/irqmap.c b/arch/mips/alchemy/xxs1500/irqmap.c index edf06ed1187..0f0f3012e5f 100644 --- a/arch/mips/alchemy/xxs1500/irqmap.c +++ b/arch/mips/alchemy/xxs1500/irqmap.c @@ -27,23 +27,26 @@ */ #include <linux/init.h> - +#include <linux/interrupt.h> #include <asm/mach-au1x00/au1000.h> struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { - { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0 }, - { AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 }, - { AU1500_GPIO_202, INTC_INT_LOW_LEVEL, 0 }, - { AU1500_GPIO_203, INTC_INT_LOW_LEVEL, 0 }, - { AU1500_GPIO_205, INTC_INT_LOW_LEVEL, 0 }, - { AU1500_GPIO_207, INTC_INT_LOW_LEVEL, 0 }, + { AU1500_GPIO_204, IRQF_TRIGGER_HIGH, 0 }, + { AU1500_GPIO_201, IRQF_TRIGGER_LOW, 0 }, + { AU1500_GPIO_202, IRQF_TRIGGER_LOW, 0 }, + { AU1500_GPIO_203, IRQF_TRIGGER_LOW, 0 }, + { AU1500_GPIO_205, IRQF_TRIGGER_LOW, 0 }, + { AU1500_GPIO_207, IRQF_TRIGGER_LOW, 0 }, - { AU1000_GPIO_0, INTC_INT_LOW_LEVEL, 0 }, - { AU1000_GPIO_1, INTC_INT_LOW_LEVEL, 0 }, - { AU1000_GPIO_2, INTC_INT_LOW_LEVEL, 0 }, - { AU1000_GPIO_3, INTC_INT_LOW_LEVEL, 0 }, - { AU1000_GPIO_4, INTC_INT_LOW_LEVEL, 0 }, /* CF interrupt */ - { AU1000_GPIO_5, INTC_INT_LOW_LEVEL, 0 }, + { AU1000_GPIO_0, IRQF_TRIGGER_LOW, 0 }, + { AU1000_GPIO_1, IRQF_TRIGGER_LOW, 0 }, + { AU1000_GPIO_2, IRQF_TRIGGER_LOW, 0 }, + { AU1000_GPIO_3, IRQF_TRIGGER_LOW, 0 }, + { AU1000_GPIO_4, IRQF_TRIGGER_LOW, 0 }, /* CF interrupt */ + { AU1000_GPIO_5, IRQF_TRIGGER_LOW, 0 }, }; -int __initdata au1xxx_nr_irqs = ARRAY_SIZE(au1xxx_irq_map); +void __init board_init_irq(void) +{ + au1xxx_setup_irqmap(au1xxx_irq_map, ARRAY_SIZE(au1xxx_irq_map)); +} diff --git a/arch/mips/include/asm/mach-au1x00/au1000.h b/arch/mips/include/asm/mach-au1x00/au1000.h index 0d302bad449..a7ba35247c8 100644 --- a/arch/mips/include/asm/mach-au1x00/au1000.h +++ b/arch/mips/include/asm/mach-au1x00/au1000.h @@ -109,10 +109,11 @@ struct au1xxx_irqmap { int im_request; }; -/* - * init_IRQ looks for a table with this name. - */ -extern struct au1xxx_irqmap au1xxx_irq_map[]; +/* core calls this function to let boards initialize other IRQ sources */ +void board_init_irq(void); + +/* boards call this to register additional (GPIO) interrupts */ +void au1xxx_setup_irqmap(struct au1xxx_irqmap *map, int count); #endif /* !defined (_LANGUAGE_ASSEMBLY) */ @@ -505,15 +506,6 @@ extern struct au1xxx_irqmap au1xxx_irq_map[]; #define IC1_TESTBIT 0xB1800080 -/* Interrupt Configuration Modes */ -#define INTC_INT_DISABLED 0x0 -#define INTC_INT_RISE_EDGE 0x1 -#define INTC_INT_FALL_EDGE 0x2 -#define INTC_INT_RISE_AND_FALL_EDGE 0x3 -#define INTC_INT_HIGH_LEVEL 0x5 -#define INTC_INT_LOW_LEVEL 0x6 -#define INTC_INT_HIGH_AND_LOW_LEVEL 0x7 - /* Interrupt Numbers */ /* Au1000 */ #ifdef CONFIG_SOC_AU1000 |