diff options
Diffstat (limited to 'arch/mips/alchemy/common')
| -rw-r--r-- | arch/mips/alchemy/common/Makefile | 4 | ||||
| -rw-r--r-- | arch/mips/alchemy/common/dbdma.c | 63 | ||||
| -rw-r--r-- | arch/mips/alchemy/common/gpiolib.c | 56 | ||||
| -rw-r--r-- | arch/mips/alchemy/common/irq.c | 875 | ||||
| -rw-r--r-- | arch/mips/alchemy/common/platform.c | 99 | ||||
| -rw-r--r-- | arch/mips/alchemy/common/power.c | 4 | ||||
| -rw-r--r-- | arch/mips/alchemy/common/setup.c | 18 | ||||
| -rw-r--r-- | arch/mips/alchemy/common/sleeper.S | 97 | ||||
| -rw-r--r-- | arch/mips/alchemy/common/time.c | 33 | ||||
| -rw-r--r-- | arch/mips/alchemy/common/usb.c | 593 | ||||
| -rw-r--r-- | arch/mips/alchemy/common/vss.c | 84 |
11 files changed, 1597 insertions, 329 deletions
diff --git a/arch/mips/alchemy/common/Makefile b/arch/mips/alchemy/common/Makefile index 811ece7b22e..cb83d8d21ae 100644 --- a/arch/mips/alchemy/common/Makefile +++ b/arch/mips/alchemy/common/Makefile @@ -6,9 +6,7 @@ # obj-y += prom.o time.o clocks.o platform.o power.o setup.o \ - sleeper.o dma.o dbdma.o - -obj-$(CONFIG_ALCHEMY_GPIOINT_AU1000) += irq.o + sleeper.o dma.o dbdma.o vss.o irq.o usb.o # optional gpiolib support ifeq ($(CONFIG_ALCHEMY_GPIO_INDIRECT),) diff --git a/arch/mips/alchemy/common/dbdma.c b/arch/mips/alchemy/common/dbdma.c index 0e63ee487d6..19d5642c16d 100644 --- a/arch/mips/alchemy/common/dbdma.c +++ b/arch/mips/alchemy/common/dbdma.c @@ -148,6 +148,50 @@ static dbdev_tab_t au1200_dbdev_tab[] __initdata = { { DSCR_CMD0_ALWAYS, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 }, }; +static dbdev_tab_t au1300_dbdev_tab[] __initdata = { + { AU1300_DSCR_CMD0_UART0_TX, DEV_FLAGS_OUT, 0, 8, 0x10100004, 0, 0 }, + { AU1300_DSCR_CMD0_UART0_RX, DEV_FLAGS_IN, 0, 8, 0x10100000, 0, 0 }, + { AU1300_DSCR_CMD0_UART1_TX, DEV_FLAGS_OUT, 0, 8, 0x10101004, 0, 0 }, + { AU1300_DSCR_CMD0_UART1_RX, DEV_FLAGS_IN, 0, 8, 0x10101000, 0, 0 }, + { AU1300_DSCR_CMD0_UART2_TX, DEV_FLAGS_OUT, 0, 8, 0x10102004, 0, 0 }, + { AU1300_DSCR_CMD0_UART2_RX, DEV_FLAGS_IN, 0, 8, 0x10102000, 0, 0 }, + { AU1300_DSCR_CMD0_UART3_TX, DEV_FLAGS_OUT, 0, 8, 0x10103004, 0, 0 }, + { AU1300_DSCR_CMD0_UART3_RX, DEV_FLAGS_IN, 0, 8, 0x10103000, 0, 0 }, + + { AU1300_DSCR_CMD0_SDMS_TX0, DEV_FLAGS_OUT, 4, 8, 0x10600000, 0, 0 }, + { AU1300_DSCR_CMD0_SDMS_RX0, DEV_FLAGS_IN, 4, 8, 0x10600004, 0, 0 }, + { AU1300_DSCR_CMD0_SDMS_TX1, DEV_FLAGS_OUT, 8, 8, 0x10601000, 0, 0 }, + { AU1300_DSCR_CMD0_SDMS_RX1, DEV_FLAGS_IN, 8, 8, 0x10601004, 0, 0 }, + + { AU1300_DSCR_CMD0_AES_RX, DEV_FLAGS_IN , 4, 32, 0x10300008, 0, 0 }, + { AU1300_DSCR_CMD0_AES_TX, DEV_FLAGS_OUT, 4, 32, 0x10300004, 0, 0 }, + + { AU1300_DSCR_CMD0_PSC0_TX, DEV_FLAGS_OUT, 0, 16, 0x10a0001c, 0, 0 }, + { AU1300_DSCR_CMD0_PSC0_RX, DEV_FLAGS_IN, 0, 16, 0x10a0001c, 0, 0 }, + { AU1300_DSCR_CMD0_PSC1_TX, DEV_FLAGS_OUT, 0, 16, 0x10a0101c, 0, 0 }, + { AU1300_DSCR_CMD0_PSC1_RX, DEV_FLAGS_IN, 0, 16, 0x10a0101c, 0, 0 }, + { AU1300_DSCR_CMD0_PSC2_TX, DEV_FLAGS_OUT, 0, 16, 0x10a0201c, 0, 0 }, + { AU1300_DSCR_CMD0_PSC2_RX, DEV_FLAGS_IN, 0, 16, 0x10a0201c, 0, 0 }, + { AU1300_DSCR_CMD0_PSC3_TX, DEV_FLAGS_OUT, 0, 16, 0x10a0301c, 0, 0 }, + { AU1300_DSCR_CMD0_PSC3_RX, DEV_FLAGS_IN, 0, 16, 0x10a0301c, 0, 0 }, + + { AU1300_DSCR_CMD0_LCD, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 }, + { AU1300_DSCR_CMD0_NAND_FLASH, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 }, + + { AU1300_DSCR_CMD0_SDMS_TX2, DEV_FLAGS_OUT, 4, 8, 0x10602000, 0, 0 }, + { AU1300_DSCR_CMD0_SDMS_RX2, DEV_FLAGS_IN, 4, 8, 0x10602004, 0, 0 }, + + { AU1300_DSCR_CMD0_CIM_SYNC, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 }, + + { AU1300_DSCR_CMD0_UDMA, DEV_FLAGS_ANYUSE, 0, 32, 0x14001810, 0, 0 }, + + { AU1300_DSCR_CMD0_DMA_REQ0, 0, 0, 0, 0x00000000, 0, 0 }, + { AU1300_DSCR_CMD0_DMA_REQ1, 0, 0, 0, 0x00000000, 0, 0 }, + + { DSCR_CMD0_THROTTLE, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 }, + { DSCR_CMD0_ALWAYS, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 }, +}; + /* 32 predefined plus 32 custom */ #define DBDEV_TAB_SIZE 64 @@ -208,7 +252,7 @@ EXPORT_SYMBOL(au1xxx_ddma_del_device); u32 au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid, void (*callback)(int, void *), void *callparam) { - unsigned long flags; + unsigned long flags; u32 used, chan; u32 dcp; int i; @@ -468,7 +512,7 @@ u32 au1xxx_dbdma_ring_alloc(u32 chanid, int entries) break; } - /* If source input is FIFO, set static address. */ + /* If source input is FIFO, set static address. */ if (stp->dev_flags & DEV_FLAGS_IN) { if (stp->dev_flags & DEV_FLAGS_BURSTABLE) src1 |= DSCR_SRC1_SAM(DSCR_xAM_BURST); @@ -591,7 +635,7 @@ u32 au1xxx_dbdma_put_source(u32 chanid, dma_addr_t buf, int nbytes, u32 flags) dma_cache_wback_inv((unsigned long)dp, sizeof(*dp)); ctp->chan_ptr->ddma_dbell = 0; - /* Get next descriptor pointer. */ + /* Get next descriptor pointer. */ ctp->put_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); /* Return something non-zero. */ @@ -653,7 +697,7 @@ u32 au1xxx_dbdma_put_dest(u32 chanid, dma_addr_t buf, int nbytes, u32 flags) dma_cache_wback_inv((unsigned long)dp, sizeof(*dp)); ctp->chan_ptr->ddma_dbell = 0; - /* Get next descriptor pointer. */ + /* Get next descriptor pointer. */ ctp->put_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); /* Return something non-zero. */ @@ -698,7 +742,7 @@ u32 au1xxx_dbdma_get_dest(u32 chanid, void **buf, int *nbytes) *nbytes = dp->dscr_cmd1; rv = dp->dscr_stat; - /* Get next descriptor pointer. */ + /* Get next descriptor pointer. */ ctp->get_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); /* Return something non-zero. */ @@ -847,7 +891,7 @@ void au1xxx_dbdma_dump(u32 chanid) chan_tab_t *ctp; au1x_ddma_desc_t *dp; dbdev_tab_t *stp, *dtp; - au1x_dma_chan_t *cp; + au1x_dma_chan_t *cp; u32 i = 0; ctp = *((chan_tab_t **)chanid); @@ -925,7 +969,7 @@ u32 au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr) dp->dscr_cmd0 |= dscr->dscr_cmd0 | DSCR_CMD0_V; ctp->chan_ptr->ddma_dbell = 0; - /* Get next descriptor pointer. */ + /* Get next descriptor pointer. */ ctp->put_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); /* Return something non-zero. */ @@ -1019,8 +1063,7 @@ static int __init dbdma_setup(unsigned int irq, dbdev_tab_t *idtable) dbdma_gptr->ddma_inten = 0xffff; au_sync(); - ret = request_irq(irq, dbdma_interrupt, IRQF_DISABLED, "dbdma", - (void *)dbdma_gptr); + ret = request_irq(irq, dbdma_interrupt, 0, "dbdma", (void *)dbdma_gptr); if (ret) printk(KERN_ERR "Cannot grab DBDMA interrupt!\n"); else { @@ -1038,6 +1081,8 @@ static int __init alchemy_dbdma_init(void) return dbdma_setup(AU1550_DDMA_INT, au1550_dbdev_tab); case ALCHEMY_CPU_AU1200: return dbdma_setup(AU1200_DDMA_INT, au1200_dbdev_tab); + case ALCHEMY_CPU_AU1300: + return dbdma_setup(AU1300_DDMA_INT, au1300_dbdev_tab); } return 0; } diff --git a/arch/mips/alchemy/common/gpiolib.c b/arch/mips/alchemy/common/gpiolib.c index 91fb4d9e30f..f9bc4f52044 100644 --- a/arch/mips/alchemy/common/gpiolib.c +++ b/arch/mips/alchemy/common/gpiolib.c @@ -27,6 +27,7 @@ * CONFIG_ALCHEMY_GPIO_INDIRECT=n, otherwise compilation will fail! * au1000 SoC have only one GPIO block : GPIO1 * Au1100, Au15x0, Au12x0 have a second one : GPIO2 + * Au1300 is totally different: 1 block with up to 128 GPIOs */ #include <linux/init.h> @@ -35,6 +36,7 @@ #include <linux/types.h> #include <linux/gpio.h> #include <asm/mach-au1x00/gpio-au1000.h> +#include <asm/mach-au1x00/gpio-au1300.h> static int gpio2_get(struct gpio_chip *chip, unsigned offset) { @@ -104,17 +106,54 @@ struct gpio_chip alchemy_gpio_chip[] = { .ngpio = ALCHEMY_GPIO1_NUM, }, [1] = { - .label = "alchemy-gpio2", - .direction_input = gpio2_direction_input, - .direction_output = gpio2_direction_output, - .get = gpio2_get, - .set = gpio2_set, + .label = "alchemy-gpio2", + .direction_input = gpio2_direction_input, + .direction_output = gpio2_direction_output, + .get = gpio2_get, + .set = gpio2_set, .to_irq = gpio2_to_irq, - .base = ALCHEMY_GPIO2_BASE, - .ngpio = ALCHEMY_GPIO2_NUM, + .base = ALCHEMY_GPIO2_BASE, + .ngpio = ALCHEMY_GPIO2_NUM, }, }; +static int alchemy_gpic_get(struct gpio_chip *chip, unsigned int off) +{ + return au1300_gpio_get_value(off + AU1300_GPIO_BASE); +} + +static void alchemy_gpic_set(struct gpio_chip *chip, unsigned int off, int v) +{ + au1300_gpio_set_value(off + AU1300_GPIO_BASE, v); +} + +static int alchemy_gpic_dir_input(struct gpio_chip *chip, unsigned int off) +{ + return au1300_gpio_direction_input(off + AU1300_GPIO_BASE); +} + +static int alchemy_gpic_dir_output(struct gpio_chip *chip, unsigned int off, + int v) +{ + return au1300_gpio_direction_output(off + AU1300_GPIO_BASE, v); +} + +static int alchemy_gpic_gpio_to_irq(struct gpio_chip *chip, unsigned int off) +{ + return au1300_gpio_to_irq(off + AU1300_GPIO_BASE); +} + +static struct gpio_chip au1300_gpiochip = { + .label = "alchemy-gpic", + .direction_input = alchemy_gpic_dir_input, + .direction_output = alchemy_gpic_dir_output, + .get = alchemy_gpic_get, + .set = alchemy_gpic_set, + .to_irq = alchemy_gpic_gpio_to_irq, + .base = AU1300_GPIO_BASE, + .ngpio = AU1300_GPIO_NUM, +}; + static int __init alchemy_gpiochip_init(void) { int ret = 0; @@ -127,6 +166,9 @@ static int __init alchemy_gpiochip_init(void) ret = gpiochip_add(&alchemy_gpio_chip[0]); ret |= gpiochip_add(&alchemy_gpio_chip[1]); break; + case ALCHEMY_CPU_AU1300: + ret = gpiochip_add(&au1300_gpiochip); + break; } return ret; } diff --git a/arch/mips/alchemy/common/irq.c b/arch/mips/alchemy/common/irq.c index 8b60ba0675e..63a71817a00 100644 --- a/arch/mips/alchemy/common/irq.c +++ b/arch/mips/alchemy/common/irq.c @@ -25,19 +25,15 @@ * 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/bitops.h> +#include <linux/export.h> #include <linux/init.h> #include <linux/interrupt.h> -#include <linux/irq.h> #include <linux/slab.h> #include <linux/syscore_ops.h> #include <asm/irq_cpu.h> -#include <asm/mipsregs.h> #include <asm/mach-au1x00/au1000.h> -#ifdef CONFIG_MIPS_PB1000 -#include <asm/mach-pb1x00/pb1000.h> -#endif +#include <asm/mach-au1x00/gpio-au1300.h> /* Interrupt Controller register offsets */ #define IC_CFG0RD 0x40 @@ -69,7 +65,17 @@ #define IC_FALLINGCLR 0x7C #define IC_TESTBIT 0x80 -static int au1x_ic_settype(struct irq_data *d, unsigned int flow_type); +/* per-processor fixed function irqs */ +struct alchemy_irqmap { + int irq; /* linux IRQ number */ + int type; /* IRQ_TYPE_ */ + int prio; /* irq priority, 0 highest, 3 lowest */ + int internal; /* GPIC: internal source (no ext. pin)? */ +}; + +static int au1x_ic_settype(struct irq_data *d, unsigned int type); +static int au1300_gpic_settype(struct irq_data *d, unsigned int type); + /* NOTE on interrupt priorities: The original writers of this code said: * @@ -77,176 +83,207 @@ static int au1x_ic_settype(struct irq_data *d, unsigned int flow_type); * the USB devices-side packet complete interrupt (USB_DEV_REQ_INT) * needs the highest priority. */ - -/* per-processor fixed function irqs */ -struct au1xxx_irqmap { - int im_irq; - int im_type; - int im_request; /* set 1 to get higher priority */ +struct alchemy_irqmap au1000_irqmap[] __initdata = { + { AU1000_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1000_UART1_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1000_UART2_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1000_UART3_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1000_SSI0_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1000_SSI1_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1000_DMA_INT_BASE, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1000_DMA_INT_BASE+1, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1000_DMA_INT_BASE+2, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1000_DMA_INT_BASE+3, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1000_DMA_INT_BASE+4, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1000_DMA_INT_BASE+5, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1000_DMA_INT_BASE+6, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1000_DMA_INT_BASE+7, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1000_TOY_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1000_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1000_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1000_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1000_RTC_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1000_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1000_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1000_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0, 0 }, + { AU1000_IRDA_TX_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1000_IRDA_RX_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1000_USB_DEV_REQ_INT, IRQ_TYPE_LEVEL_HIGH, 0, 0 }, + { AU1000_USB_DEV_SUS_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1000_USB_HOST_INT, IRQ_TYPE_LEVEL_LOW, 1, 0 }, + { AU1000_ACSYNC_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1000_MAC0_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1000_MAC1_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1000_AC97C_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { -1, }, }; -struct au1xxx_irqmap au1000_irqmap[] __initdata = { - { 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, 0 }, - { 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, 1 }, - { 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, 1 }, - { 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 }, +struct alchemy_irqmap au1500_irqmap[] __initdata = { + { AU1500_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1500_PCI_INTA, IRQ_TYPE_LEVEL_LOW, 1, 0 }, + { AU1500_PCI_INTB, IRQ_TYPE_LEVEL_LOW, 1, 0 }, + { AU1500_UART3_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1500_PCI_INTC, IRQ_TYPE_LEVEL_LOW, 1, 0 }, + { AU1500_PCI_INTD, IRQ_TYPE_LEVEL_LOW, 1, 0 }, + { AU1500_DMA_INT_BASE, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1500_DMA_INT_BASE+1, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1500_DMA_INT_BASE+2, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1500_DMA_INT_BASE+3, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1500_DMA_INT_BASE+4, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1500_DMA_INT_BASE+5, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1500_DMA_INT_BASE+6, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1500_DMA_INT_BASE+7, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1500_TOY_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1500_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1500_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1500_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1500_RTC_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1500_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1500_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1500_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0, 0 }, + { AU1500_USB_DEV_REQ_INT, IRQ_TYPE_LEVEL_HIGH, 0, 0 }, + { AU1500_USB_DEV_SUS_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1500_USB_HOST_INT, IRQ_TYPE_LEVEL_LOW, 1, 0 }, + { AU1500_ACSYNC_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1500_MAC0_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1500_MAC1_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1500_AC97C_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, { -1, }, }; -struct au1xxx_irqmap au1500_irqmap[] __initdata = { - { AU1500_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1500_PCI_INTA, IRQ_TYPE_LEVEL_LOW, 0 }, - { AU1500_PCI_INTB, IRQ_TYPE_LEVEL_LOW, 0 }, - { AU1500_UART3_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1500_PCI_INTC, IRQ_TYPE_LEVEL_LOW, 0 }, - { AU1500_PCI_INTD, IRQ_TYPE_LEVEL_LOW, 0 }, - { AU1500_DMA_INT_BASE, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1500_DMA_INT_BASE+1, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1500_DMA_INT_BASE+2, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1500_DMA_INT_BASE+3, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1500_DMA_INT_BASE+4, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1500_DMA_INT_BASE+5, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1500_DMA_INT_BASE+6, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1500_DMA_INT_BASE+7, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1500_TOY_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1500_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1500_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1500_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1500_RTC_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1500_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1500_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1500_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1 }, - { AU1500_USB_DEV_REQ_INT, IRQ_TYPE_LEVEL_HIGH, 1 }, - { AU1500_USB_DEV_SUS_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1500_USB_HOST_INT, IRQ_TYPE_LEVEL_LOW, 0 }, - { AU1500_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 }, - { AU1500_AC97C_INT, IRQ_TYPE_EDGE_RISING, 0 }, +struct alchemy_irqmap au1100_irqmap[] __initdata = { + { AU1100_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1100_UART1_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1100_SD_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1100_UART3_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1100_SSI0_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1100_SSI1_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1100_DMA_INT_BASE, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1100_DMA_INT_BASE+1, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1100_DMA_INT_BASE+2, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1100_DMA_INT_BASE+3, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1100_DMA_INT_BASE+4, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1100_DMA_INT_BASE+5, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1100_DMA_INT_BASE+6, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1100_DMA_INT_BASE+7, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1100_TOY_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1100_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1100_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1100_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1100_RTC_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1100_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1100_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1100_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0, 0 }, + { AU1100_IRDA_TX_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1100_IRDA_RX_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1100_USB_DEV_REQ_INT, IRQ_TYPE_LEVEL_HIGH, 0, 0 }, + { AU1100_USB_DEV_SUS_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1100_USB_HOST_INT, IRQ_TYPE_LEVEL_LOW, 1, 0 }, + { AU1100_ACSYNC_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1100_MAC0_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1100_LCD_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1100_AC97C_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, { -1, }, }; -struct au1xxx_irqmap au1100_irqmap[] __initdata = { - { 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 }, - { AU1100_SSI0_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1100_SSI1_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1100_DMA_INT_BASE, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1100_DMA_INT_BASE+1, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1100_DMA_INT_BASE+2, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1100_DMA_INT_BASE+3, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1100_DMA_INT_BASE+4, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1100_DMA_INT_BASE+5, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1100_DMA_INT_BASE+6, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1100_DMA_INT_BASE+7, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1100_TOY_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1100_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1100_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1100_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1100_RTC_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1100_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1100_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1100_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1 }, - { AU1100_IRDA_TX_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1100_IRDA_RX_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1100_USB_DEV_REQ_INT, IRQ_TYPE_LEVEL_HIGH, 1 }, - { AU1100_USB_DEV_SUS_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1100_USB_HOST_INT, IRQ_TYPE_LEVEL_LOW, 0 }, - { AU1100_ACSYNC_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1100_MAC0_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1100_LCD_INT, IRQ_TYPE_LEVEL_HIGH, 0 }, - { AU1100_AC97C_INT, IRQ_TYPE_EDGE_RISING, 0 }, +struct alchemy_irqmap au1550_irqmap[] __initdata = { + { AU1550_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1550_PCI_INTA, IRQ_TYPE_LEVEL_LOW, 1, 0 }, + { AU1550_PCI_INTB, IRQ_TYPE_LEVEL_LOW, 1, 0 }, + { AU1550_DDMA_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1550_CRYPTO_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1550_PCI_INTC, IRQ_TYPE_LEVEL_LOW, 1, 0 }, + { AU1550_PCI_INTD, IRQ_TYPE_LEVEL_LOW, 1, 0 }, + { AU1550_PCI_RST_INT, IRQ_TYPE_LEVEL_LOW, 1, 0 }, + { AU1550_UART1_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1550_UART3_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1550_PSC0_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1550_PSC1_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1550_PSC2_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1550_PSC3_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1550_TOY_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1550_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1550_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1550_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1550_RTC_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1550_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1550_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1550_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0, 0 }, + { AU1550_NAND_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1550_USB_DEV_REQ_INT, IRQ_TYPE_LEVEL_HIGH, 0, 0 }, + { AU1550_USB_DEV_SUS_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1550_USB_HOST_INT, IRQ_TYPE_LEVEL_LOW, 1, 0 }, + { AU1550_MAC0_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1550_MAC1_DMA_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, { -1, }, }; -struct au1xxx_irqmap au1550_irqmap[] __initdata = { - { 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 }, - { AU1550_TOY_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1550_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1550_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1550_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1550_RTC_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1550_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1550_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1550_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1 }, - { AU1550_NAND_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1550_USB_DEV_REQ_INT, IRQ_TYPE_LEVEL_HIGH, 1 }, - { 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 }, +struct alchemy_irqmap au1200_irqmap[] __initdata = { + { AU1200_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1200_SWT_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1200_SD_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1200_DDMA_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1200_MAE_BE_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1200_UART1_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1200_MAE_FE_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1200_PSC0_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1200_PSC1_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1200_AES_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1200_CAMERA_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1200_TOY_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1200_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1200_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1200_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1200_RTC_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1200_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1200_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1200_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0, 0 }, + { AU1200_NAND_INT, IRQ_TYPE_EDGE_RISING, 1, 0 }, + { AU1200_USB_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1200_LCD_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, + { AU1200_MAE_BOTH_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0 }, { -1, }, }; -struct au1xxx_irqmap au1200_irqmap[] __initdata = { - { 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 }, - { AU1200_TOY_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1200_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1200_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1200_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1200_RTC_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1200_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1200_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 0 }, - { AU1200_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1 }, - { 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 }, - { -1, }, +static struct alchemy_irqmap au1300_irqmap[] __initdata = { + /* multifunction: gpio pin or device */ + { AU1300_UART1_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0, }, + { AU1300_UART2_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0, }, + { AU1300_UART3_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0, }, + { AU1300_SD1_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0, }, + { AU1300_SD2_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0, }, + { AU1300_PSC0_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0, }, + { AU1300_PSC1_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0, }, + { AU1300_PSC2_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0, }, + { AU1300_PSC3_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0, }, + { AU1300_NAND_INT, IRQ_TYPE_LEVEL_HIGH, 1, 0, }, + /* au1300 internal */ + { AU1300_DDMA_INT, IRQ_TYPE_LEVEL_HIGH, 1, 1, }, + { AU1300_MMU_INT, IRQ_TYPE_LEVEL_HIGH, 1, 1, }, + { AU1300_MPU_INT, IRQ_TYPE_LEVEL_HIGH, 1, 1, }, + { AU1300_GPU_INT, IRQ_TYPE_LEVEL_HIGH, 1, 1, }, + { AU1300_UDMA_INT, IRQ_TYPE_LEVEL_HIGH, 1, 1, }, + { AU1300_TOY_INT, IRQ_TYPE_EDGE_RISING, 1, 1, }, + { AU1300_TOY_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 1, 1, }, + { AU1300_TOY_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 1, 1, }, + { AU1300_TOY_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 1, 1, }, + { AU1300_RTC_INT, IRQ_TYPE_EDGE_RISING, 1, 1, }, + { AU1300_RTC_MATCH0_INT, IRQ_TYPE_EDGE_RISING, 1, 1, }, + { AU1300_RTC_MATCH1_INT, IRQ_TYPE_EDGE_RISING, 1, 1, }, + { AU1300_RTC_MATCH2_INT, IRQ_TYPE_EDGE_RISING, 0, 1, }, + { AU1300_UART0_INT, IRQ_TYPE_LEVEL_HIGH, 1, 1, }, + { AU1300_SD0_INT, IRQ_TYPE_LEVEL_HIGH, 1, 1, }, + { AU1300_USB_INT, IRQ_TYPE_LEVEL_HIGH, 1, 1, }, + { AU1300_LCD_INT, IRQ_TYPE_LEVEL_HIGH, 1, 1, }, + { AU1300_BSA_INT, IRQ_TYPE_LEVEL_HIGH, 1, 1, }, + { AU1300_MPE_INT, IRQ_TYPE_EDGE_RISING, 1, 1, }, + { AU1300_ITE_INT, IRQ_TYPE_LEVEL_HIGH, 1, 1, }, + { AU1300_AES_INT, IRQ_TYPE_LEVEL_HIGH, 1, 1, }, + { AU1300_CIM_INT, IRQ_TYPE_LEVEL_HIGH, 1, 1, }, + { -1, }, /* terminator */ }; +/******************************************************************************/ static void au1x_ic0_unmask(struct irq_data *d) { @@ -265,14 +302,6 @@ static void au1x_ic1_unmask(struct irq_data *d) __raw_writel(1 << bit, base + IC_MASKSET); __raw_writel(1 << bit, base + IC_WAKESET); - -/* 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 (d->irq == AU1000_GPIO15_INT) - __raw_writel(0x4000, (void __iomem *)PB1000_MDR); /* enable int */ -#endif wmb(); } @@ -470,40 +499,219 @@ static int au1x_ic_settype(struct irq_data *d, unsigned int flow_type) return ret; } -asmlinkage void plat_irq_dispatch(void) +/******************************************************************************/ + +/* + * au1300_gpic_chgcfg - change PIN configuration. + * @gpio: pin to change (0-based GPIO number from datasheet). + * @clr: clear all bits set in 'clr'. + * @set: set these bits. + * + * modifies a pins' configuration register, bits set in @clr will + * be cleared in the register, bits in @set will be set. + */ +static inline void au1300_gpic_chgcfg(unsigned int gpio, + unsigned long clr, + unsigned long set) +{ + void __iomem *r = AU1300_GPIC_ADDR; + unsigned long l; + + r += gpio * 4; /* offset into pin config array */ + l = __raw_readl(r + AU1300_GPIC_PINCFG); + l &= ~clr; + l |= set; + __raw_writel(l, r + AU1300_GPIC_PINCFG); + wmb(); +} + +/* + * au1300_pinfunc_to_gpio - assign a pin as GPIO input (GPIO ctrl). + * @pin: pin (0-based GPIO number from datasheet). + * + * Assigns a GPIO pin to the GPIO controller, so its level can either + * be read or set through the generic GPIO functions. + * If you need a GPOUT, use au1300_gpio_set_value(pin, 0/1). + * REVISIT: is this function really necessary? + */ +void au1300_pinfunc_to_gpio(enum au1300_multifunc_pins gpio) +{ + au1300_gpio_direction_input(gpio + AU1300_GPIO_BASE); +} +EXPORT_SYMBOL_GPL(au1300_pinfunc_to_gpio); + +/* + * au1300_pinfunc_to_dev - assign a pin to the device function. + * @pin: pin (0-based GPIO number from datasheet). + * + * Assigns a GPIO pin to its associated device function; the pin will be + * driven by the device and not through GPIO functions. + */ +void au1300_pinfunc_to_dev(enum au1300_multifunc_pins gpio) +{ + void __iomem *r = AU1300_GPIC_ADDR; + unsigned long bit; + + r += GPIC_GPIO_BANKOFF(gpio); + bit = GPIC_GPIO_TO_BIT(gpio); + __raw_writel(bit, r + AU1300_GPIC_DEVSEL); + wmb(); +} +EXPORT_SYMBOL_GPL(au1300_pinfunc_to_dev); + +/* + * au1300_set_irq_priority - set internal priority of IRQ. + * @irq: irq to set priority (linux irq number). + * @p: priority (0 = highest, 3 = lowest). + */ +void au1300_set_irq_priority(unsigned int irq, int p) { - unsigned int pending = read_c0_status() & read_c0_cause(); - unsigned long s, off; - - if (pending & CAUSEF_IP7) { - off = MIPS_CPU_IRQ_BASE + 7; - goto handle; - } else if (pending & CAUSEF_IP2) { - s = KSEG1ADDR(AU1000_IC0_PHYS_ADDR) + IC_REQ0INT; - off = AU1000_INTC0_INT_BASE; - } else if (pending & CAUSEF_IP3) { - s = KSEG1ADDR(AU1000_IC0_PHYS_ADDR) + IC_REQ1INT; - off = AU1000_INTC0_INT_BASE; - } else if (pending & CAUSEF_IP4) { - s = KSEG1ADDR(AU1000_IC1_PHYS_ADDR) + IC_REQ0INT; - off = AU1000_INTC1_INT_BASE; - } else if (pending & CAUSEF_IP5) { - s = KSEG1ADDR(AU1000_IC1_PHYS_ADDR) + IC_REQ1INT; - off = AU1000_INTC1_INT_BASE; - } else - goto spurious; - - s = __raw_readl((void __iomem *)s); - if (unlikely(!s)) { -spurious: - spurious_interrupt(); - return; + irq -= ALCHEMY_GPIC_INT_BASE; + au1300_gpic_chgcfg(irq, GPIC_CFG_IL_MASK, GPIC_CFG_IL_SET(p)); +} +EXPORT_SYMBOL_GPL(au1300_set_irq_priority); + +/* + * au1300_set_dbdma_gpio - assign a gpio to one of the DBDMA triggers. + * @dchan: dbdma trigger select (0, 1). + * @gpio: pin to assign as trigger. + * + * DBDMA controller has 2 external trigger sources; this function + * assigns a GPIO to the selected trigger. + */ +void au1300_set_dbdma_gpio(int dchan, unsigned int gpio) +{ + unsigned long r; + + if ((dchan >= 0) && (dchan <= 1)) { + r = __raw_readl(AU1300_GPIC_ADDR + AU1300_GPIC_DMASEL); + r &= ~(0xff << (8 * dchan)); + r |= (gpio & 0x7f) << (8 * dchan); + __raw_writel(r, AU1300_GPIC_ADDR + AU1300_GPIC_DMASEL); + wmb(); } - off += __ffs(s); -handle: - do_IRQ(off); } +static inline void gpic_pin_set_idlewake(unsigned int gpio, int allow) +{ + au1300_gpic_chgcfg(gpio, GPIC_CFG_IDLEWAKE, + allow ? GPIC_CFG_IDLEWAKE : 0); +} + +static void au1300_gpic_mask(struct irq_data *d) +{ + void __iomem *r = AU1300_GPIC_ADDR; + unsigned long bit, irq = d->irq; + + irq -= ALCHEMY_GPIC_INT_BASE; + r += GPIC_GPIO_BANKOFF(irq); + bit = GPIC_GPIO_TO_BIT(irq); + __raw_writel(bit, r + AU1300_GPIC_IDIS); + wmb(); + + gpic_pin_set_idlewake(irq, 0); +} + +static void au1300_gpic_unmask(struct irq_data *d) +{ + void __iomem *r = AU1300_GPIC_ADDR; + unsigned long bit, irq = d->irq; + + irq -= ALCHEMY_GPIC_INT_BASE; + + gpic_pin_set_idlewake(irq, 1); + + r += GPIC_GPIO_BANKOFF(irq); + bit = GPIC_GPIO_TO_BIT(irq); + __raw_writel(bit, r + AU1300_GPIC_IEN); + wmb(); +} + +static void au1300_gpic_maskack(struct irq_data *d) +{ + void __iomem *r = AU1300_GPIC_ADDR; + unsigned long bit, irq = d->irq; + + irq -= ALCHEMY_GPIC_INT_BASE; + r += GPIC_GPIO_BANKOFF(irq); + bit = GPIC_GPIO_TO_BIT(irq); + __raw_writel(bit, r + AU1300_GPIC_IPEND); /* ack */ + __raw_writel(bit, r + AU1300_GPIC_IDIS); /* mask */ + wmb(); + + gpic_pin_set_idlewake(irq, 0); +} + +static void au1300_gpic_ack(struct irq_data *d) +{ + void __iomem *r = AU1300_GPIC_ADDR; + unsigned long bit, irq = d->irq; + + irq -= ALCHEMY_GPIC_INT_BASE; + r += GPIC_GPIO_BANKOFF(irq); + bit = GPIC_GPIO_TO_BIT(irq); + __raw_writel(bit, r + AU1300_GPIC_IPEND); /* ack */ + wmb(); +} + +static struct irq_chip au1300_gpic = { + .name = "GPIOINT", + .irq_ack = au1300_gpic_ack, + .irq_mask = au1300_gpic_mask, + .irq_mask_ack = au1300_gpic_maskack, + .irq_unmask = au1300_gpic_unmask, + .irq_set_type = au1300_gpic_settype, +}; + +static int au1300_gpic_settype(struct irq_data *d, unsigned int type) +{ + unsigned long s; + unsigned char *name = NULL; + irq_flow_handler_t hdl = NULL; + + switch (type) { + case IRQ_TYPE_LEVEL_HIGH: + s = GPIC_CFG_IC_LEVEL_HIGH; + name = "high"; + hdl = handle_level_irq; + break; + case IRQ_TYPE_LEVEL_LOW: + s = GPIC_CFG_IC_LEVEL_LOW; + name = "low"; + hdl = handle_level_irq; + break; + case IRQ_TYPE_EDGE_RISING: + s = GPIC_CFG_IC_EDGE_RISE; + name = "posedge"; + hdl = handle_edge_irq; + break; + case IRQ_TYPE_EDGE_FALLING: + s = GPIC_CFG_IC_EDGE_FALL; + name = "negedge"; + hdl = handle_edge_irq; + break; + case IRQ_TYPE_EDGE_BOTH: + s = GPIC_CFG_IC_EDGE_BOTH; + name = "bothedge"; + hdl = handle_edge_irq; + break; + case IRQ_TYPE_NONE: + s = GPIC_CFG_IC_OFF; + name = "disabled"; + hdl = handle_level_irq; + break; + default: + return -EINVAL; + } + + __irq_set_chip_handler_name_locked(d->irq, &au1300_gpic, hdl, name); + + au1300_gpic_chgcfg(d->irq - ALCHEMY_GPIC_INT_BASE, GPIC_CFG_IC_MASK, s); + + return 0; +} + +/******************************************************************************/ static inline void ic_init(void __iomem *base) { @@ -521,13 +729,159 @@ static inline void ic_init(void __iomem *base) wmb(); } -static void __init au1000_init_irq(struct au1xxx_irqmap *map) +static unsigned long alchemy_gpic_pmdata[ALCHEMY_GPIC_INT_NUM + 6]; + +static inline void alchemy_ic_suspend_one(void __iomem *base, unsigned long *d) +{ + d[0] = __raw_readl(base + IC_CFG0RD); + d[1] = __raw_readl(base + IC_CFG1RD); + d[2] = __raw_readl(base + IC_CFG2RD); + d[3] = __raw_readl(base + IC_SRCRD); + d[4] = __raw_readl(base + IC_ASSIGNRD); + d[5] = __raw_readl(base + IC_WAKERD); + d[6] = __raw_readl(base + IC_MASKRD); + ic_init(base); /* shut it up too while at it */ +} + +static inline void alchemy_ic_resume_one(void __iomem *base, unsigned long *d) +{ + ic_init(base); + + __raw_writel(d[0], base + IC_CFG0SET); + __raw_writel(d[1], base + IC_CFG1SET); + __raw_writel(d[2], base + IC_CFG2SET); + __raw_writel(d[3], base + IC_SRCSET); + __raw_writel(d[4], base + IC_ASSIGNSET); + __raw_writel(d[5], base + IC_WAKESET); + wmb(); + + __raw_writel(d[6], base + IC_MASKSET); + wmb(); +} + +static int alchemy_ic_suspend(void) +{ + alchemy_ic_suspend_one((void __iomem *)KSEG1ADDR(AU1000_IC0_PHYS_ADDR), + alchemy_gpic_pmdata); + alchemy_ic_suspend_one((void __iomem *)KSEG1ADDR(AU1000_IC1_PHYS_ADDR), + &alchemy_gpic_pmdata[7]); + return 0; +} + +static void alchemy_ic_resume(void) +{ + alchemy_ic_resume_one((void __iomem *)KSEG1ADDR(AU1000_IC1_PHYS_ADDR), + &alchemy_gpic_pmdata[7]); + alchemy_ic_resume_one((void __iomem *)KSEG1ADDR(AU1000_IC0_PHYS_ADDR), + alchemy_gpic_pmdata); +} + +static int alchemy_gpic_suspend(void) +{ + void __iomem *base = (void __iomem *)KSEG1ADDR(AU1300_GPIC_PHYS_ADDR); + int i; + + /* save 4 interrupt mask status registers */ + alchemy_gpic_pmdata[0] = __raw_readl(base + AU1300_GPIC_IEN + 0x0); + alchemy_gpic_pmdata[1] = __raw_readl(base + AU1300_GPIC_IEN + 0x4); + alchemy_gpic_pmdata[2] = __raw_readl(base + AU1300_GPIC_IEN + 0x8); + alchemy_gpic_pmdata[3] = __raw_readl(base + AU1300_GPIC_IEN + 0xc); + + /* save misc register(s) */ + alchemy_gpic_pmdata[4] = __raw_readl(base + AU1300_GPIC_DMASEL); + + /* molto silenzioso */ + __raw_writel(~0UL, base + AU1300_GPIC_IDIS + 0x0); + __raw_writel(~0UL, base + AU1300_GPIC_IDIS + 0x4); + __raw_writel(~0UL, base + AU1300_GPIC_IDIS + 0x8); + __raw_writel(~0UL, base + AU1300_GPIC_IDIS + 0xc); + wmb(); + + /* save pin/int-type configuration */ + base += AU1300_GPIC_PINCFG; + for (i = 0; i < ALCHEMY_GPIC_INT_NUM; i++) + alchemy_gpic_pmdata[i + 5] = __raw_readl(base + (i << 2)); + + wmb(); + + return 0; +} + +static void alchemy_gpic_resume(void) +{ + void __iomem *base = (void __iomem *)KSEG1ADDR(AU1300_GPIC_PHYS_ADDR); + int i; + + /* disable all first */ + __raw_writel(~0UL, base + AU1300_GPIC_IDIS + 0x0); + __raw_writel(~0UL, base + AU1300_GPIC_IDIS + 0x4); + __raw_writel(~0UL, base + AU1300_GPIC_IDIS + 0x8); + __raw_writel(~0UL, base + AU1300_GPIC_IDIS + 0xc); + wmb(); + + /* restore pin/int-type configurations */ + base += AU1300_GPIC_PINCFG; + for (i = 0; i < ALCHEMY_GPIC_INT_NUM; i++) + __raw_writel(alchemy_gpic_pmdata[i + 5], base + (i << 2)); + wmb(); + + /* restore misc register(s) */ + base = (void __iomem *)KSEG1ADDR(AU1300_GPIC_PHYS_ADDR); + __raw_writel(alchemy_gpic_pmdata[4], base + AU1300_GPIC_DMASEL); + wmb(); + + /* finally restore masks */ + __raw_writel(alchemy_gpic_pmdata[0], base + AU1300_GPIC_IEN + 0x0); + __raw_writel(alchemy_gpic_pmdata[1], base + AU1300_GPIC_IEN + 0x4); + __raw_writel(alchemy_gpic_pmdata[2], base + AU1300_GPIC_IEN + 0x8); + __raw_writel(alchemy_gpic_pmdata[3], base + AU1300_GPIC_IEN + 0xc); + wmb(); +} + +static struct syscore_ops alchemy_ic_pmops = { + .suspend = alchemy_ic_suspend, + .resume = alchemy_ic_resume, +}; + +static struct syscore_ops alchemy_gpic_pmops = { + .suspend = alchemy_gpic_suspend, + .resume = alchemy_gpic_resume, +}; + +/******************************************************************************/ + +/* create chained handlers for the 4 IC requests to the MIPS IRQ ctrl */ +#define DISP(name, base, addr) \ +static void au1000_##name##_dispatch(unsigned int irq, struct irq_desc *d) \ +{ \ + unsigned long r = __raw_readl((void __iomem *)KSEG1ADDR(addr)); \ + if (likely(r)) \ + generic_handle_irq(base + __ffs(r)); \ + else \ + spurious_interrupt(); \ +} + +DISP(ic0r0, AU1000_INTC0_INT_BASE, AU1000_IC0_PHYS_ADDR + IC_REQ0INT) +DISP(ic0r1, AU1000_INTC0_INT_BASE, AU1000_IC0_PHYS_ADDR + IC_REQ1INT) +DISP(ic1r0, AU1000_INTC1_INT_BASE, AU1000_IC1_PHYS_ADDR + IC_REQ0INT) +DISP(ic1r1, AU1000_INTC1_INT_BASE, AU1000_IC1_PHYS_ADDR + IC_REQ1INT) + +static void alchemy_gpic_dispatch(unsigned int irq, struct irq_desc *d) +{ + int i = __raw_readl(AU1300_GPIC_ADDR + AU1300_GPIC_PRIENC); + generic_handle_irq(ALCHEMY_GPIC_INT_BASE + i); +} + +/******************************************************************************/ + +static void __init au1000_init_irq(struct alchemy_irqmap *map) { unsigned int bit, irq_nr; void __iomem *base; ic_init((void __iomem *)KSEG1ADDR(AU1000_IC0_PHYS_ADDR)); ic_init((void __iomem *)KSEG1ADDR(AU1000_IC1_PHYS_ADDR)); + register_syscore_ops(&alchemy_ic_pmops); mips_cpu_irq_init(); /* register all 64 possible IC0+IC1 irq sources as type "none". @@ -544,8 +898,8 @@ static void __init au1000_init_irq(struct au1xxx_irqmap *map) /* * Initialize IC0, which is fixed per processor. */ - while (map->im_irq != -1) { - irq_nr = map->im_irq; + while (map->irq != -1) { + irq_nr = map->irq; if (irq_nr >= AU1000_INTC1_INT_BASE) { bit = irq_nr - AU1000_INTC1_INT_BASE; @@ -554,16 +908,61 @@ static void __init au1000_init_irq(struct au1xxx_irqmap *map) bit = irq_nr - AU1000_INTC0_INT_BASE; base = (void __iomem *)KSEG1ADDR(AU1000_IC0_PHYS_ADDR); } - if (map->im_request) + if (map->prio == 0) __raw_writel(1 << bit, base + IC_ASSIGNSET); - au1x_ic_settype(irq_get_irq_data(irq_nr), map->im_type); + au1x_ic_settype(irq_get_irq_data(irq_nr), map->type); ++map; } - set_c0_status(IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3); + irq_set_chained_handler(MIPS_CPU_IRQ_BASE + 2, au1000_ic0r0_dispatch); + irq_set_chained_handler(MIPS_CPU_IRQ_BASE + 3, au1000_ic0r1_dispatch); + irq_set_chained_handler(MIPS_CPU_IRQ_BASE + 4, au1000_ic1r0_dispatch); + irq_set_chained_handler(MIPS_CPU_IRQ_BASE + 5, au1000_ic1r1_dispatch); +} + +static void __init alchemy_gpic_init_irq(const struct alchemy_irqmap *dints) +{ + int i; + void __iomem *bank_base; + + register_syscore_ops(&alchemy_gpic_pmops); + mips_cpu_irq_init(); + + /* disable & ack all possible interrupt sources */ + for (i = 0; i < 4; i++) { + bank_base = AU1300_GPIC_ADDR + (i * 4); + __raw_writel(~0UL, bank_base + AU1300_GPIC_IDIS); + wmb(); + __raw_writel(~0UL, bank_base + AU1300_GPIC_IPEND); + wmb(); + } + + /* register an irq_chip for them, with 2nd highest priority */ + for (i = ALCHEMY_GPIC_INT_BASE; i <= ALCHEMY_GPIC_INT_LAST; i++) { + au1300_set_irq_priority(i, 1); + au1300_gpic_settype(irq_get_irq_data(i), IRQ_TYPE_NONE); + } + + /* setup known on-chip sources */ + while ((i = dints->irq) != -1) { + au1300_gpic_settype(irq_get_irq_data(i), dints->type); + au1300_set_irq_priority(i, dints->prio); + + if (dints->internal) + au1300_pinfunc_to_dev(i - ALCHEMY_GPIC_INT_BASE); + + dints++; + } + + irq_set_chained_handler(MIPS_CPU_IRQ_BASE + 2, alchemy_gpic_dispatch); + irq_set_chained_handler(MIPS_CPU_IRQ_BASE + 3, alchemy_gpic_dispatch); + irq_set_chained_handler(MIPS_CPU_IRQ_BASE + 4, alchemy_gpic_dispatch); + irq_set_chained_handler(MIPS_CPU_IRQ_BASE + 5, alchemy_gpic_dispatch); } +/******************************************************************************/ + void __init arch_init_irq(void) { switch (alchemy_get_cputype()) { @@ -582,65 +981,17 @@ void __init arch_init_irq(void) case ALCHEMY_CPU_AU1200: au1000_init_irq(au1200_irqmap); break; + case ALCHEMY_CPU_AU1300: + alchemy_gpic_init_irq(au1300_irqmap); + break; + default: + pr_err("unknown Alchemy IRQ core\n"); + break; } } - -static unsigned long alchemy_ic_pmdata[7 * 2]; - -static inline void alchemy_ic_suspend_one(void __iomem *base, unsigned long *d) -{ - d[0] = __raw_readl(base + IC_CFG0RD); - d[1] = __raw_readl(base + IC_CFG1RD); - d[2] = __raw_readl(base + IC_CFG2RD); - d[3] = __raw_readl(base + IC_SRCRD); - d[4] = __raw_readl(base + IC_ASSIGNRD); - d[5] = __raw_readl(base + IC_WAKERD); - d[6] = __raw_readl(base + IC_MASKRD); - ic_init(base); /* shut it up too while at it */ -} - -static inline void alchemy_ic_resume_one(void __iomem *base, unsigned long *d) -{ - ic_init(base); - - __raw_writel(d[0], base + IC_CFG0SET); - __raw_writel(d[1], base + IC_CFG1SET); - __raw_writel(d[2], base + IC_CFG2SET); - __raw_writel(d[3], base + IC_SRCSET); - __raw_writel(d[4], base + IC_ASSIGNSET); - __raw_writel(d[5], base + IC_WAKESET); - wmb(); - - __raw_writel(d[6], base + IC_MASKSET); - wmb(); -} - -static int alchemy_ic_suspend(void) -{ - alchemy_ic_suspend_one((void __iomem *)KSEG1ADDR(AU1000_IC0_PHYS_ADDR), - alchemy_ic_pmdata); - alchemy_ic_suspend_one((void __iomem *)KSEG1ADDR(AU1000_IC1_PHYS_ADDR), - &alchemy_ic_pmdata[7]); - return 0; -} - -static void alchemy_ic_resume(void) -{ - alchemy_ic_resume_one((void __iomem *)KSEG1ADDR(AU1000_IC1_PHYS_ADDR), - &alchemy_ic_pmdata[7]); - alchemy_ic_resume_one((void __iomem *)KSEG1ADDR(AU1000_IC0_PHYS_ADDR), - alchemy_ic_pmdata); -} - -static struct syscore_ops alchemy_ic_syscore_ops = { - .suspend = alchemy_ic_suspend, - .resume = alchemy_ic_resume, -}; - -static int __init alchemy_ic_pm_init(void) +asmlinkage void plat_irq_dispatch(void) { - register_syscore_ops(&alchemy_ic_syscore_ops); - return 0; + unsigned long r = (read_c0_status() & read_c0_cause()) >> 8; + do_IRQ(MIPS_CPU_IRQ_BASE + __ffs(r & 0xff)); } -device_initcall(alchemy_ic_pm_init); diff --git a/arch/mips/alchemy/common/platform.c b/arch/mips/alchemy/common/platform.c index c8e5d72a582..9837a134a6d 100644 --- a/arch/mips/alchemy/common/platform.c +++ b/arch/mips/alchemy/common/platform.c @@ -17,6 +17,8 @@ #include <linux/platform_device.h> #include <linux/serial_8250.h> #include <linux/slab.h> +#include <linux/usb/ehci_pdriver.h> +#include <linux/usb/ohci_pdriver.h> #include <asm/mach-au1x00/au1000.h> #include <asm/mach-au1x00/au1xxx_dbdma.h> @@ -51,7 +53,7 @@ static void alchemy_8250_pm(struct uart_port *port, unsigned int state, .irq = _irq, \ .regshift = 2, \ .iotype = UPIO_AU, \ - .flags = UPF_SKIP_TEST | UPF_IOREMAP | \ + .flags = UPF_SKIP_TEST | UPF_IOREMAP | \ UPF_FIXED_TYPE, \ .type = PORT_16550A, \ .pm = alchemy_8250_pm, \ @@ -82,6 +84,12 @@ static struct plat_serial8250_port au1x00_uart_data[][4] __initdata = { PORT(AU1000_UART0_PHYS_ADDR, AU1200_UART0_INT), PORT(AU1000_UART1_PHYS_ADDR, AU1200_UART1_INT), }, + [ALCHEMY_CPU_AU1300] = { + PORT(AU1300_UART0_PHYS_ADDR, AU1300_UART0_INT), + PORT(AU1300_UART1_PHYS_ADDR, AU1300_UART1_INT), + PORT(AU1300_UART2_PHYS_ADDR, AU1300_UART2_INT), + PORT(AU1300_UART3_PHYS_ADDR, AU1300_UART3_INT), + }, }; static struct platform_device au1xx0_uart_device = { @@ -116,16 +124,65 @@ static void __init alchemy_setup_uarts(int ctype) static u64 alchemy_ohci_dmamask = DMA_BIT_MASK(32); static u64 __maybe_unused alchemy_ehci_dmamask = DMA_BIT_MASK(32); +/* Power on callback for the ehci platform driver */ +static int alchemy_ehci_power_on(struct platform_device *pdev) +{ + return alchemy_usb_control(ALCHEMY_USB_EHCI0, 1); +} + +/* Power off/suspend callback for the ehci platform driver */ +static void alchemy_ehci_power_off(struct platform_device *pdev) +{ + alchemy_usb_control(ALCHEMY_USB_EHCI0, 0); +} + +static struct usb_ehci_pdata alchemy_ehci_pdata = { + .no_io_watchdog = 1, + .power_on = alchemy_ehci_power_on, + .power_off = alchemy_ehci_power_off, + .power_suspend = alchemy_ehci_power_off, +}; + +/* Power on callback for the ohci platform driver */ +static int alchemy_ohci_power_on(struct platform_device *pdev) +{ + int unit; + + unit = (pdev->id == 1) ? + ALCHEMY_USB_OHCI1 : ALCHEMY_USB_OHCI0; + + return alchemy_usb_control(unit, 1); +} + +/* Power off/suspend callback for the ohci platform driver */ +static void alchemy_ohci_power_off(struct platform_device *pdev) +{ + int unit; + + unit = (pdev->id == 1) ? + ALCHEMY_USB_OHCI1 : ALCHEMY_USB_OHCI0; + + alchemy_usb_control(unit, 0); +} + +static struct usb_ohci_pdata alchemy_ohci_pdata = { + .power_on = alchemy_ohci_power_on, + .power_off = alchemy_ohci_power_off, + .power_suspend = alchemy_ohci_power_off, +}; + static unsigned long alchemy_ohci_data[][2] __initdata = { [ALCHEMY_CPU_AU1000] = { AU1000_USB_OHCI_PHYS_ADDR, AU1000_USB_HOST_INT }, [ALCHEMY_CPU_AU1500] = { AU1000_USB_OHCI_PHYS_ADDR, AU1500_USB_HOST_INT }, [ALCHEMY_CPU_AU1100] = { AU1000_USB_OHCI_PHYS_ADDR, AU1100_USB_HOST_INT }, [ALCHEMY_CPU_AU1550] = { AU1550_USB_OHCI_PHYS_ADDR, AU1550_USB_HOST_INT }, [ALCHEMY_CPU_AU1200] = { AU1200_USB_OHCI_PHYS_ADDR, AU1200_USB_INT }, + [ALCHEMY_CPU_AU1300] = { AU1300_USB_OHCI0_PHYS_ADDR, AU1300_USB_INT }, }; static unsigned long alchemy_ehci_data[][2] __initdata = { [ALCHEMY_CPU_AU1200] = { AU1200_USB_EHCI_PHYS_ADDR, AU1200_USB_INT }, + [ALCHEMY_CPU_AU1300] = { AU1300_USB_EHCI_PHYS_ADDR, AU1300_USB_INT }, }; static int __init _new_usbres(struct resource **r, struct platform_device **d) @@ -161,16 +218,17 @@ static void __init alchemy_setup_usb(int ctype) res[1].start = alchemy_ohci_data[ctype][1]; res[1].end = res[1].start; res[1].flags = IORESOURCE_IRQ; - pdev->name = "au1xxx-ohci"; + pdev->name = "ohci-platform"; pdev->id = 0; pdev->dev.dma_mask = &alchemy_ohci_dmamask; + pdev->dev.platform_data = &alchemy_ohci_pdata; if (platform_device_register(pdev)) printk(KERN_INFO "Alchemy USB: cannot add OHCI0\n"); - /* setup EHCI0: Au1200 */ - if (ctype == ALCHEMY_CPU_AU1200) { + /* setup EHCI0: Au1200/Au1300 */ + if ((ctype == ALCHEMY_CPU_AU1200) || (ctype == ALCHEMY_CPU_AU1300)) { if (_new_usbres(&res, &pdev)) return; @@ -180,13 +238,34 @@ static void __init alchemy_setup_usb(int ctype) res[1].start = alchemy_ehci_data[ctype][1]; res[1].end = res[1].start; res[1].flags = IORESOURCE_IRQ; - pdev->name = "au1xxx-ehci"; + pdev->name = "ehci-platform"; pdev->id = 0; pdev->dev.dma_mask = &alchemy_ehci_dmamask; + pdev->dev.platform_data = &alchemy_ehci_pdata; if (platform_device_register(pdev)) printk(KERN_INFO "Alchemy USB: cannot add EHCI0\n"); } + + /* Au1300: OHCI1 */ + if (ctype == ALCHEMY_CPU_AU1300) { + if (_new_usbres(&res, &pdev)) + return; + + res[0].start = AU1300_USB_OHCI1_PHYS_ADDR; + res[0].end = res[0].start + 0x100 - 1; + res[0].flags = IORESOURCE_MEM; + res[1].start = AU1300_USB_INT; + res[1].end = res[1].start; + res[1].flags = IORESOURCE_IRQ; + pdev->name = "ohci-platform"; + pdev->id = 1; + pdev->dev.dma_mask = &alchemy_ohci_dmamask; + pdev->dev.platform_data = &alchemy_ohci_pdata; + + if (platform_device_register(pdev)) + printk(KERN_INFO "Alchemy USB: cannot add OHCI1\n"); + } } /* Macro to help defining the Ethernet MAC resources */ @@ -307,13 +386,12 @@ static void __init alchemy_setup_macs(int ctype) if (alchemy_get_macs(ctype) < 1) return; - macres = kmalloc(sizeof(struct resource) * MAC_RES_COUNT, GFP_KERNEL); + macres = kmemdup(au1xxx_eth0_resources[ctype], + sizeof(struct resource) * MAC_RES_COUNT, GFP_KERNEL); if (!macres) { printk(KERN_INFO "Alchemy: no memory for MAC0 resources\n"); return; } - memcpy(macres, au1xxx_eth0_resources[ctype], - sizeof(struct resource) * MAC_RES_COUNT); au1xxx_eth0_device.resource = macres; i = prom_get_ethernet_addr(ethaddr); @@ -329,13 +407,12 @@ static void __init alchemy_setup_macs(int ctype) if (alchemy_get_macs(ctype) < 2) return; - macres = kmalloc(sizeof(struct resource) * MAC_RES_COUNT, GFP_KERNEL); + macres = kmemdup(au1xxx_eth1_resources[ctype], + sizeof(struct resource) * MAC_RES_COUNT, GFP_KERNEL); if (!macres) { printk(KERN_INFO "Alchemy: no memory for MAC1 resources\n"); return; } - memcpy(macres, au1xxx_eth1_resources[ctype], - sizeof(struct resource) * MAC_RES_COUNT); au1xxx_eth1_device.resource = macres; ethaddr[5] += 1; /* next addr for 2nd MAC */ diff --git a/arch/mips/alchemy/common/power.c b/arch/mips/alchemy/common/power.c index bdd6651e9a4..bdb28dee8fd 100644 --- a/arch/mips/alchemy/common/power.c +++ b/arch/mips/alchemy/common/power.c @@ -29,7 +29,6 @@ * 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/init.h> #include <linux/pm.h> #include <linux/sysctl.h> #include <linux/jiffies.h> @@ -126,6 +125,9 @@ void au_sleep(void) case ALCHEMY_CPU_AU1200: alchemy_sleep_au1550(); break; + case ALCHEMY_CPU_AU1300: + alchemy_sleep_au1300(); + break; } restore_core_regs(); diff --git a/arch/mips/alchemy/common/setup.c b/arch/mips/alchemy/common/setup.c index 37ffd997c61..8267e3c9772 100644 --- a/arch/mips/alchemy/common/setup.c +++ b/arch/mips/alchemy/common/setup.c @@ -30,6 +30,7 @@ #include <linux/jiffies.h> #include <linux/module.h> +#include <asm/dma-coherence.h> #include <asm/mipsregs.h> #include <asm/time.h> @@ -59,7 +60,22 @@ void __init plat_mem_setup(void) /* Clear to obtain best system bus performance */ clear_c0_config(1 << 19); /* Clear Config[OD] */ - board_setup(); /* board specific setup */ + hw_coherentio = 0; + coherentio = 1; + switch (alchemy_get_cputype()) { + case ALCHEMY_CPU_AU1000: + case ALCHEMY_CPU_AU1500: + case ALCHEMY_CPU_AU1100: + coherentio = 0; + break; + case ALCHEMY_CPU_AU1200: + /* Au1200 AB USB does not support coherent memory */ + if (0 == (read_c0_prid() & PRID_REV_MASK)) + coherentio = 0; + break; + } + + board_setup(); /* board specific setup */ /* IO/MEM resources. */ set_io_port_base(0); diff --git a/arch/mips/alchemy/common/sleeper.S b/arch/mips/alchemy/common/sleeper.S index 77f3c743b71..c73d81270b4 100644 --- a/arch/mips/alchemy/common/sleeper.S +++ b/arch/mips/alchemy/common/sleeper.S @@ -95,19 +95,19 @@ LEAF(alchemy_sleep_au1000) /* cache following instructions, as memory gets put to sleep */ la t0, 1f - .set mips3 + .set arch=r4000 cache 0x14, 0(t0) cache 0x14, 32(t0) cache 0x14, 64(t0) cache 0x14, 96(t0) .set mips0 -1: lui a0, 0xb400 /* mem_xxx */ - sw zero, 0x001c(a0) /* Precharge */ +1: lui a0, 0xb400 /* mem_xxx */ + sw zero, 0x001c(a0) /* Precharge */ sync sw zero, 0x0020(a0) /* Auto Refresh */ sync - sw zero, 0x0030(a0) /* Sleep */ + sw zero, 0x0030(a0) /* Sleep */ sync DO_SLEEP @@ -121,22 +121,22 @@ LEAF(alchemy_sleep_au1550) /* cache following instructions, as memory gets put to sleep */ la t0, 1f - .set mips3 + .set arch=r4000 cache 0x14, 0(t0) cache 0x14, 32(t0) cache 0x14, 64(t0) cache 0x14, 96(t0) .set mips0 -1: lui a0, 0xb400 /* mem_xxx */ - sw zero, 0x08c0(a0) /* Precharge */ +1: lui a0, 0xb400 /* mem_xxx */ + sw zero, 0x08c0(a0) /* Precharge */ sync sw zero, 0x08d0(a0) /* Self Refresh */ sync /* wait for sdram to enter self-refresh mode */ - lui t0, 0x0100 -2: lw t1, 0x0850(a0) /* mem_sdstat */ + lui t0, 0x0100 +2: lw t1, 0x0850(a0) /* mem_sdstat */ and t2, t1, t0 beq t2, zero, 2b nop @@ -144,15 +144,88 @@ LEAF(alchemy_sleep_au1550) /* disable SDRAM clocks */ lui t0, 0xcfff ori t0, t0, 0xffff - lw t1, 0x0840(a0) /* mem_sdconfiga */ - and t1, t0, t1 /* clear CE[1:0] */ - sw t1, 0x0840(a0) /* mem_sdconfiga */ + lw t1, 0x0840(a0) /* mem_sdconfiga */ + and t1, t0, t1 /* clear CE[1:0] */ + sw t1, 0x0840(a0) /* mem_sdconfiga */ sync DO_SLEEP END(alchemy_sleep_au1550) +/* sleepcode for Au1300 memory controller type */ +LEAF(alchemy_sleep_au1300) + + SETUP_SLEEP + + /* cache following instructions, as memory gets put to sleep */ + la t0, 2f + la t1, 4f + subu t2, t1, t0 + + .set arch=r4000 + +1: cache 0x14, 0(t0) + subu t2, t2, 32 + bgez t2, 1b + addu t0, t0, 32 + + .set mips0 + +2: lui a0, 0xb400 /* mem_xxx */ + + /* disable all ports in mem_sdportcfga */ + sw zero, 0x868(a0) /* mem_sdportcfga */ + sync + + /* disable ODT */ + li t0, 0x03010000 + sw t0, 0x08d8(a0) /* mem_sdcmd0 */ + sw t0, 0x08dc(a0) /* mem_sdcmd1 */ + sync + + /* precharge */ + li t0, 0x23000400 + sw t0, 0x08dc(a0) /* mem_sdcmd1 */ + sw t0, 0x08d8(a0) /* mem_sdcmd0 */ + sync + + /* auto refresh */ + sw zero, 0x08c8(a0) /* mem_sdautoref */ + sync + + /* block access to the DDR */ + lw t0, 0x0848(a0) /* mem_sdconfigb */ + li t1, (1 << 7 | 0x3F) + or t0, t0, t1 + sw t0, 0x0848(a0) /* mem_sdconfigb */ + sync + + /* issue the Self Refresh command */ + li t0, 0x10000000 + sw t0, 0x08dc(a0) /* mem_sdcmd1 */ + sw t0, 0x08d8(a0) /* mem_sdcmd0 */ + sync + + /* wait for sdram to enter self-refresh mode */ + lui t0, 0x0300 +3: lw t1, 0x0850(a0) /* mem_sdstat */ + and t2, t1, t0 + bne t2, t0, 3b + nop + + /* disable SDRAM clocks */ + li t0, ~(3<<28) + lw t1, 0x0840(a0) /* mem_sdconfiga */ + and t1, t1, t0 /* clear CE[1:0] */ + sw t1, 0x0840(a0) /* mem_sdconfiga */ + sync + + DO_SLEEP +4: + +END(alchemy_sleep_au1300) + /* This is where we return upon wakeup. * Reload all of the registers and return. diff --git a/arch/mips/alchemy/common/time.c b/arch/mips/alchemy/common/time.c index d5da6adbf63..93fa586d52e 100644 --- a/arch/mips/alchemy/common/time.c +++ b/arch/mips/alchemy/common/time.c @@ -36,6 +36,7 @@ #include <linux/interrupt.h> #include <linux/spinlock.h> +#include <asm/idle.h> #include <asm/processor.h> #include <asm/time.h> #include <asm/mach-au1x00/au1000.h> @@ -53,7 +54,7 @@ static struct clocksource au1x_counter1_clocksource = { .read = au1x_counter1_read, .mask = CLOCKSOURCE_MASK(32), .flags = CLOCK_SOURCE_IS_CONTINUOUS, - .rating = 100, + .rating = 1500, }; static int au1x_rtcmatch2_set_next_event(unsigned long delta, @@ -84,15 +85,15 @@ static irqreturn_t au1x_rtcmatch2_irq(int irq, void *dev_id) static struct clock_event_device au1x_rtcmatch2_clockdev = { .name = "rtcmatch2", .features = CLOCK_EVT_FEAT_ONESHOT, - .rating = 100, - .set_next_event = au1x_rtcmatch2_set_next_event, + .rating = 1500, + .set_next_event = au1x_rtcmatch2_set_next_event, .set_mode = au1x_rtcmatch2_set_mode, .cpumask = cpu_all_mask, }; static struct irqaction au1x_rtcmatch2_irqaction = { .handler = au1x_rtcmatch2_irq, - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_TIMER, .name = "timer", .dev_id = &au1x_rtcmatch2_clockdev, }; @@ -146,7 +147,7 @@ static int __init alchemy_time_init(unsigned int m2int) cd->shift = 32; cd->mult = div_sc(32768, NSEC_PER_SEC, cd->shift); cd->max_delta_ns = clockevent_delta2ns(0xffffffff, cd); - cd->min_delta_ns = clockevent_delta2ns(8, cd); /* ~0.25ms */ + cd->min_delta_ns = clockevent_delta2ns(9, cd); /* ~0.28ms */ clockevents_register_device(cd); setup_irq(m2int, &au1x_rtcmatch2_irqaction); @@ -158,26 +159,13 @@ cntr_err: return -1; } -static void __init alchemy_setup_c0timer(void) -{ - /* - * MIPS kernel assigns 'au1k_wait' to 'cpu_wait' before this - * function is called. Because the Alchemy counters are unusable - * the C0 timekeeping code is installed and use of the 'wait' - * instruction must be prohibited, which is done most easily by - * assigning NULL to cpu_wait. - */ - cpu_wait = NULL; - r4k_clockevent_init(); - init_r4k_clocksource(); -} - static int alchemy_m2inttab[] __initdata = { AU1000_RTC_MATCH2_INT, AU1500_RTC_MATCH2_INT, AU1100_RTC_MATCH2_INT, AU1550_RTC_MATCH2_INT, AU1200_RTC_MATCH2_INT, + AU1300_RTC_MATCH2_INT, }; void __init plat_time_init(void) @@ -185,8 +173,7 @@ void __init plat_time_init(void) int t; t = alchemy_get_cputype(); - if (t == ALCHEMY_CPU_UNKNOWN) - alchemy_setup_c0timer(); - else if (alchemy_time_init(alchemy_m2inttab[t])) - alchemy_setup_c0timer(); + if (t == ALCHEMY_CPU_UNKNOWN || + alchemy_time_init(alchemy_m2inttab[t])) + cpu_wait = NULL; /* wait doesn't work with r4k timer */ } diff --git a/arch/mips/alchemy/common/usb.c b/arch/mips/alchemy/common/usb.c new file mode 100644 index 00000000000..d193dbea84a --- /dev/null +++ b/arch/mips/alchemy/common/usb.c @@ -0,0 +1,593 @@ +/* + * USB block power/access management abstraction. + * + * Au1000+: The OHCI block control register is at the far end of the OHCI memory + * area. Au1550 has OHCI on different base address. No need to handle + * UDC here. + * Au1200: one register to control access and clocks to O/EHCI, UDC and OTG + * as well as the PHY for EHCI and UDC. + * + */ + +#include <linux/init.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/spinlock.h> +#include <linux/syscore_ops.h> +#include <asm/cpu.h> +#include <asm/mach-au1x00/au1000.h> + +/* control register offsets */ +#define AU1000_OHCICFG 0x7fffc +#define AU1550_OHCICFG 0x07ffc +#define AU1200_USBCFG 0x04 + +/* Au1000 USB block config bits */ +#define USBHEN_RD (1 << 4) /* OHCI reset-done indicator */ +#define USBHEN_CE (1 << 3) /* OHCI block clock enable */ +#define USBHEN_E (1 << 2) /* OHCI block enable */ +#define USBHEN_C (1 << 1) /* OHCI block coherency bit */ +#define USBHEN_BE (1 << 0) /* OHCI Big-Endian */ + +/* Au1200 USB config bits */ +#define USBCFG_PFEN (1 << 31) /* prefetch enable (undoc) */ +#define USBCFG_RDCOMB (1 << 30) /* read combining (undoc) */ +#define USBCFG_UNKNOWN (5 << 20) /* unknown, leave this way */ +#define USBCFG_SSD (1 << 23) /* serial short detect en */ +#define USBCFG_PPE (1 << 19) /* HS PHY PLL */ +#define USBCFG_UCE (1 << 18) /* UDC clock enable */ +#define USBCFG_ECE (1 << 17) /* EHCI clock enable */ +#define USBCFG_OCE (1 << 16) /* OHCI clock enable */ +#define USBCFG_FLA(x) (((x) & 0x3f) << 8) +#define USBCFG_UCAM (1 << 7) /* coherent access (undoc) */ +#define USBCFG_GME (1 << 6) /* OTG mem access */ +#define USBCFG_DBE (1 << 5) /* UDC busmaster enable */ +#define USBCFG_DME (1 << 4) /* UDC mem enable */ +#define USBCFG_EBE (1 << 3) /* EHCI busmaster enable */ +#define USBCFG_EME (1 << 2) /* EHCI mem enable */ +#define USBCFG_OBE (1 << 1) /* OHCI busmaster enable */ +#define USBCFG_OME (1 << 0) /* OHCI mem enable */ +#define USBCFG_INIT_AU1200 (USBCFG_PFEN | USBCFG_RDCOMB | USBCFG_UNKNOWN |\ + USBCFG_SSD | USBCFG_FLA(0x20) | USBCFG_UCAM | \ + USBCFG_GME | USBCFG_DBE | USBCFG_DME | \ + USBCFG_EBE | USBCFG_EME | USBCFG_OBE | \ + USBCFG_OME) + +/* Au1300 USB config registers */ +#define USB_DWC_CTRL1 0x00 +#define USB_DWC_CTRL2 0x04 +#define USB_VBUS_TIMER 0x10 +#define USB_SBUS_CTRL 0x14 +#define USB_MSR_ERR 0x18 +#define USB_DWC_CTRL3 0x1C +#define USB_DWC_CTRL4 0x20 +#define USB_OTG_STATUS 0x28 +#define USB_DWC_CTRL5 0x2C +#define USB_DWC_CTRL6 0x30 +#define USB_DWC_CTRL7 0x34 +#define USB_PHY_STATUS 0xC0 +#define USB_INT_STATUS 0xC4 +#define USB_INT_ENABLE 0xC8 + +#define USB_DWC_CTRL1_OTGD 0x04 /* set to DISable OTG */ +#define USB_DWC_CTRL1_HSTRS 0x02 /* set to ENable EHCI */ +#define USB_DWC_CTRL1_DCRS 0x01 /* set to ENable UDC */ + +#define USB_DWC_CTRL2_PHY1RS 0x04 /* set to enable PHY1 */ +#define USB_DWC_CTRL2_PHY0RS 0x02 /* set to enable PHY0 */ +#define USB_DWC_CTRL2_PHYRS 0x01 /* set to enable PHY */ + +#define USB_DWC_CTRL3_OHCI1_CKEN (1 << 19) +#define USB_DWC_CTRL3_OHCI0_CKEN (1 << 18) +#define USB_DWC_CTRL3_EHCI0_CKEN (1 << 17) +#define USB_DWC_CTRL3_OTG0_CKEN (1 << 16) + +#define USB_SBUS_CTRL_SBCA 0x04 /* coherent access */ + +#define USB_INTEN_FORCE 0x20 +#define USB_INTEN_PHY 0x10 +#define USB_INTEN_UDC 0x08 +#define USB_INTEN_EHCI 0x04 +#define USB_INTEN_OHCI1 0x02 +#define USB_INTEN_OHCI0 0x01 + +static DEFINE_SPINLOCK(alchemy_usb_lock); + +static inline void __au1300_usb_phyctl(void __iomem *base, int enable) +{ + unsigned long r, s; + + r = __raw_readl(base + USB_DWC_CTRL2); + s = __raw_readl(base + USB_DWC_CTRL3); + + s &= USB_DWC_CTRL3_OHCI1_CKEN | USB_DWC_CTRL3_OHCI0_CKEN | + USB_DWC_CTRL3_EHCI0_CKEN | USB_DWC_CTRL3_OTG0_CKEN; + + if (enable) { + /* simply enable all PHYs */ + r |= USB_DWC_CTRL2_PHY1RS | USB_DWC_CTRL2_PHY0RS | + USB_DWC_CTRL2_PHYRS; + __raw_writel(r, base + USB_DWC_CTRL2); + wmb(); + } else if (!s) { + /* no USB block active, do disable all PHYs */ + r &= ~(USB_DWC_CTRL2_PHY1RS | USB_DWC_CTRL2_PHY0RS | + USB_DWC_CTRL2_PHYRS); + __raw_writel(r, base + USB_DWC_CTRL2); + wmb(); + } +} + +static inline void __au1300_ohci_control(void __iomem *base, int enable, int id) +{ + unsigned long r; + + if (enable) { + __raw_writel(1, base + USB_DWC_CTRL7); /* start OHCI clock */ + wmb(); + + r = __raw_readl(base + USB_DWC_CTRL3); /* enable OHCI block */ + r |= (id == 0) ? USB_DWC_CTRL3_OHCI0_CKEN + : USB_DWC_CTRL3_OHCI1_CKEN; + __raw_writel(r, base + USB_DWC_CTRL3); + wmb(); + + __au1300_usb_phyctl(base, enable); /* power up the PHYs */ + + r = __raw_readl(base + USB_INT_ENABLE); + r |= (id == 0) ? USB_INTEN_OHCI0 : USB_INTEN_OHCI1; + __raw_writel(r, base + USB_INT_ENABLE); + wmb(); + + /* reset the OHCI start clock bit */ + __raw_writel(0, base + USB_DWC_CTRL7); + wmb(); + } else { + r = __raw_readl(base + USB_INT_ENABLE); + r &= ~((id == 0) ? USB_INTEN_OHCI0 : USB_INTEN_OHCI1); + __raw_writel(r, base + USB_INT_ENABLE); + wmb(); + + r = __raw_readl(base + USB_DWC_CTRL3); + r &= ~((id == 0) ? USB_DWC_CTRL3_OHCI0_CKEN + : USB_DWC_CTRL3_OHCI1_CKEN); + __raw_writel(r, base + USB_DWC_CTRL3); + wmb(); + + __au1300_usb_phyctl(base, enable); + } +} + +static inline void __au1300_ehci_control(void __iomem *base, int enable) +{ + unsigned long r; + + if (enable) { + r = __raw_readl(base + USB_DWC_CTRL3); + r |= USB_DWC_CTRL3_EHCI0_CKEN; + __raw_writel(r, base + USB_DWC_CTRL3); + wmb(); + + r = __raw_readl(base + USB_DWC_CTRL1); + r |= USB_DWC_CTRL1_HSTRS; + __raw_writel(r, base + USB_DWC_CTRL1); + wmb(); + + __au1300_usb_phyctl(base, enable); + + r = __raw_readl(base + USB_INT_ENABLE); + r |= USB_INTEN_EHCI; + __raw_writel(r, base + USB_INT_ENABLE); + wmb(); + } else { + r = __raw_readl(base + USB_INT_ENABLE); + r &= ~USB_INTEN_EHCI; + __raw_writel(r, base + USB_INT_ENABLE); + wmb(); + + r = __raw_readl(base + USB_DWC_CTRL1); + r &= ~USB_DWC_CTRL1_HSTRS; + __raw_writel(r, base + USB_DWC_CTRL1); + wmb(); + + r = __raw_readl(base + USB_DWC_CTRL3); + r &= ~USB_DWC_CTRL3_EHCI0_CKEN; + __raw_writel(r, base + USB_DWC_CTRL3); + wmb(); + + __au1300_usb_phyctl(base, enable); + } +} + +static inline void __au1300_udc_control(void __iomem *base, int enable) +{ + unsigned long r; + + if (enable) { + r = __raw_readl(base + USB_DWC_CTRL1); + r |= USB_DWC_CTRL1_DCRS; + __raw_writel(r, base + USB_DWC_CTRL1); + wmb(); + + __au1300_usb_phyctl(base, enable); + + r = __raw_readl(base + USB_INT_ENABLE); + r |= USB_INTEN_UDC; + __raw_writel(r, base + USB_INT_ENABLE); + wmb(); + } else { + r = __raw_readl(base + USB_INT_ENABLE); + r &= ~USB_INTEN_UDC; + __raw_writel(r, base + USB_INT_ENABLE); + wmb(); + + r = __raw_readl(base + USB_DWC_CTRL1); + r &= ~USB_DWC_CTRL1_DCRS; + __raw_writel(r, base + USB_DWC_CTRL1); + wmb(); + + __au1300_usb_phyctl(base, enable); + } +} + +static inline void __au1300_otg_control(void __iomem *base, int enable) +{ + unsigned long r; + if (enable) { + r = __raw_readl(base + USB_DWC_CTRL3); + r |= USB_DWC_CTRL3_OTG0_CKEN; + __raw_writel(r, base + USB_DWC_CTRL3); + wmb(); + + r = __raw_readl(base + USB_DWC_CTRL1); + r &= ~USB_DWC_CTRL1_OTGD; + __raw_writel(r, base + USB_DWC_CTRL1); + wmb(); + + __au1300_usb_phyctl(base, enable); + } else { + r = __raw_readl(base + USB_DWC_CTRL1); + r |= USB_DWC_CTRL1_OTGD; + __raw_writel(r, base + USB_DWC_CTRL1); + wmb(); + + r = __raw_readl(base + USB_DWC_CTRL3); + r &= ~USB_DWC_CTRL3_OTG0_CKEN; + __raw_writel(r, base + USB_DWC_CTRL3); + wmb(); + + __au1300_usb_phyctl(base, enable); + } +} + +static inline int au1300_usb_control(int block, int enable) +{ + void __iomem *base = + (void __iomem *)KSEG1ADDR(AU1300_USB_CTL_PHYS_ADDR); + int ret = 0; + + switch (block) { + case ALCHEMY_USB_OHCI0: + __au1300_ohci_control(base, enable, 0); + break; + case ALCHEMY_USB_OHCI1: + __au1300_ohci_control(base, enable, 1); + break; + case ALCHEMY_USB_EHCI0: + __au1300_ehci_control(base, enable); + break; + case ALCHEMY_USB_UDC0: + __au1300_udc_control(base, enable); + break; + case ALCHEMY_USB_OTG0: + __au1300_otg_control(base, enable); + break; + default: + ret = -ENODEV; + } + return ret; +} + +static inline void au1300_usb_init(void) +{ + void __iomem *base = + (void __iomem *)KSEG1ADDR(AU1300_USB_CTL_PHYS_ADDR); + + /* set some sane defaults. Note: we don't fiddle with DWC_CTRL4 + * here at all: Port 2 routing (EHCI or UDC) must be set either + * by boot firmware or platform init code; I can't autodetect + * a sane setting. + */ + __raw_writel(0, base + USB_INT_ENABLE); /* disable all USB irqs */ + wmb(); + __raw_writel(0, base + USB_DWC_CTRL3); /* disable all clocks */ + wmb(); + __raw_writel(~0, base + USB_MSR_ERR); /* clear all errors */ + wmb(); + __raw_writel(~0, base + USB_INT_STATUS); /* clear int status */ + wmb(); + /* set coherent access bit */ + __raw_writel(USB_SBUS_CTRL_SBCA, base + USB_SBUS_CTRL); + wmb(); +} + +static inline void __au1200_ohci_control(void __iomem *base, int enable) +{ + unsigned long r = __raw_readl(base + AU1200_USBCFG); + if (enable) { + __raw_writel(r | USBCFG_OCE, base + AU1200_USBCFG); + wmb(); + udelay(2000); + } else { + __raw_writel(r & ~USBCFG_OCE, base + AU1200_USBCFG); + wmb(); + udelay(1000); + } +} + +static inline void __au1200_ehci_control(void __iomem *base, int enable) +{ + unsigned long r = __raw_readl(base + AU1200_USBCFG); + if (enable) { + __raw_writel(r | USBCFG_ECE | USBCFG_PPE, base + AU1200_USBCFG); + wmb(); + udelay(1000); + } else { + if (!(r & USBCFG_UCE)) /* UDC also off? */ + r &= ~USBCFG_PPE; /* yes: disable HS PHY PLL */ + __raw_writel(r & ~USBCFG_ECE, base + AU1200_USBCFG); + wmb(); + udelay(1000); + } +} + +static inline void __au1200_udc_control(void __iomem *base, int enable) +{ + unsigned long r = __raw_readl(base + AU1200_USBCFG); + if (enable) { + __raw_writel(r | USBCFG_UCE | USBCFG_PPE, base + AU1200_USBCFG); + wmb(); + } else { + if (!(r & USBCFG_ECE)) /* EHCI also off? */ + r &= ~USBCFG_PPE; /* yes: disable HS PHY PLL */ + __raw_writel(r & ~USBCFG_UCE, base + AU1200_USBCFG); + wmb(); + } +} + +static inline int au1200_usb_control(int block, int enable) +{ + void __iomem *base = + (void __iomem *)KSEG1ADDR(AU1200_USB_CTL_PHYS_ADDR); + + switch (block) { + case ALCHEMY_USB_OHCI0: + __au1200_ohci_control(base, enable); + break; + case ALCHEMY_USB_UDC0: + __au1200_udc_control(base, enable); + break; + case ALCHEMY_USB_EHCI0: + __au1200_ehci_control(base, enable); + break; + default: + return -ENODEV; + } + return 0; +} + + +/* initialize USB block(s) to a known working state */ +static inline void au1200_usb_init(void) +{ + void __iomem *base = + (void __iomem *)KSEG1ADDR(AU1200_USB_CTL_PHYS_ADDR); + __raw_writel(USBCFG_INIT_AU1200, base + AU1200_USBCFG); + wmb(); + udelay(1000); +} + +static inline void au1000_usb_init(unsigned long rb, int reg) +{ + void __iomem *base = (void __iomem *)KSEG1ADDR(rb + reg); + unsigned long r = __raw_readl(base); + +#if defined(__BIG_ENDIAN) + r |= USBHEN_BE; +#endif + r |= USBHEN_C; + + __raw_writel(r, base); + wmb(); + udelay(1000); +} + + +static inline void __au1xx0_ohci_control(int enable, unsigned long rb, int creg) +{ + void __iomem *base = (void __iomem *)KSEG1ADDR(rb); + unsigned long r = __raw_readl(base + creg); + + if (enable) { + __raw_writel(r | USBHEN_CE, base + creg); + wmb(); + udelay(1000); + __raw_writel(r | USBHEN_CE | USBHEN_E, base + creg); + wmb(); + udelay(1000); + + /* wait for reset complete (read reg twice: au1500 erratum) */ + while (__raw_readl(base + creg), + !(__raw_readl(base + creg) & USBHEN_RD)) + udelay(1000); + } else { + __raw_writel(r & ~(USBHEN_CE | USBHEN_E), base + creg); + wmb(); + } +} + +static inline int au1000_usb_control(int block, int enable, unsigned long rb, + int creg) +{ + int ret = 0; + + switch (block) { + case ALCHEMY_USB_OHCI0: + __au1xx0_ohci_control(enable, rb, creg); + break; + default: + ret = -ENODEV; + } + return ret; +} + +/* + * alchemy_usb_control - control Alchemy on-chip USB blocks + * @block: USB block to target + * @enable: set 1 to enable a block, 0 to disable + */ +int alchemy_usb_control(int block, int enable) +{ + unsigned long flags; + int ret; + + spin_lock_irqsave(&alchemy_usb_lock, flags); + switch (alchemy_get_cputype()) { + case ALCHEMY_CPU_AU1000: + case ALCHEMY_CPU_AU1500: + case ALCHEMY_CPU_AU1100: + ret = au1000_usb_control(block, enable, + AU1000_USB_OHCI_PHYS_ADDR, AU1000_OHCICFG); + break; + case ALCHEMY_CPU_AU1550: + ret = au1000_usb_control(block, enable, + AU1550_USB_OHCI_PHYS_ADDR, AU1550_OHCICFG); + break; + case ALCHEMY_CPU_AU1200: + ret = au1200_usb_control(block, enable); + break; + case ALCHEMY_CPU_AU1300: + ret = au1300_usb_control(block, enable); + break; + default: + ret = -ENODEV; + } + spin_unlock_irqrestore(&alchemy_usb_lock, flags); + return ret; +} +EXPORT_SYMBOL_GPL(alchemy_usb_control); + + +static unsigned long alchemy_usb_pmdata[2]; + +static void au1000_usb_pm(unsigned long br, int creg, int susp) +{ + void __iomem *base = (void __iomem *)KSEG1ADDR(br); + + if (susp) { + alchemy_usb_pmdata[0] = __raw_readl(base + creg); + /* There appears to be some undocumented reset register.... */ + __raw_writel(0, base + 0x04); + wmb(); + __raw_writel(0, base + creg); + wmb(); + } else { + __raw_writel(alchemy_usb_pmdata[0], base + creg); + wmb(); + } +} + +static void au1200_usb_pm(int susp) +{ + void __iomem *base = + (void __iomem *)KSEG1ADDR(AU1200_USB_OTG_PHYS_ADDR); + if (susp) { + /* save OTG_CAP/MUX registers which indicate port routing */ + /* FIXME: write an OTG driver to do that */ + alchemy_usb_pmdata[0] = __raw_readl(base + 0x00); + alchemy_usb_pmdata[1] = __raw_readl(base + 0x04); + } else { + /* restore access to all MMIO areas */ + au1200_usb_init(); + + /* restore OTG_CAP/MUX registers */ + __raw_writel(alchemy_usb_pmdata[0], base + 0x00); + __raw_writel(alchemy_usb_pmdata[1], base + 0x04); + wmb(); + } +} + +static void au1300_usb_pm(int susp) +{ + void __iomem *base = + (void __iomem *)KSEG1ADDR(AU1300_USB_CTL_PHYS_ADDR); + /* remember Port2 routing */ + if (susp) { + alchemy_usb_pmdata[0] = __raw_readl(base + USB_DWC_CTRL4); + } else { + au1300_usb_init(); + __raw_writel(alchemy_usb_pmdata[0], base + USB_DWC_CTRL4); + wmb(); + } +} + +static void alchemy_usb_pm(int susp) +{ + switch (alchemy_get_cputype()) { + case ALCHEMY_CPU_AU1000: + case ALCHEMY_CPU_AU1500: + case ALCHEMY_CPU_AU1100: + au1000_usb_pm(AU1000_USB_OHCI_PHYS_ADDR, AU1000_OHCICFG, susp); + break; + case ALCHEMY_CPU_AU1550: + au1000_usb_pm(AU1550_USB_OHCI_PHYS_ADDR, AU1550_OHCICFG, susp); + break; + case ALCHEMY_CPU_AU1200: + au1200_usb_pm(susp); + break; + case ALCHEMY_CPU_AU1300: + au1300_usb_pm(susp); + break; + } +} + +static int alchemy_usb_suspend(void) +{ + alchemy_usb_pm(1); + return 0; +} + +static void alchemy_usb_resume(void) +{ + alchemy_usb_pm(0); +} + +static struct syscore_ops alchemy_usb_pm_ops = { + .suspend = alchemy_usb_suspend, + .resume = alchemy_usb_resume, +}; + +static int __init alchemy_usb_init(void) +{ + switch (alchemy_get_cputype()) { + case ALCHEMY_CPU_AU1000: + case ALCHEMY_CPU_AU1500: + case ALCHEMY_CPU_AU1100: + au1000_usb_init(AU1000_USB_OHCI_PHYS_ADDR, AU1000_OHCICFG); + break; + case ALCHEMY_CPU_AU1550: + au1000_usb_init(AU1550_USB_OHCI_PHYS_ADDR, AU1550_OHCICFG); + break; + case ALCHEMY_CPU_AU1200: + au1200_usb_init(); + break; + case ALCHEMY_CPU_AU1300: + au1300_usb_init(); + break; + } + + register_syscore_ops(&alchemy_usb_pm_ops); + + return 0; +} +arch_initcall(alchemy_usb_init); diff --git a/arch/mips/alchemy/common/vss.c b/arch/mips/alchemy/common/vss.c new file mode 100644 index 00000000000..d23b1444d36 --- /dev/null +++ b/arch/mips/alchemy/common/vss.c @@ -0,0 +1,84 @@ +/* + * Au1300 media block power gating (VSS) + * + * This is a stop-gap solution until I have the clock framework integration + * ready. This stuff here really must be handled transparently when clocks + * for various media blocks are enabled/disabled. + */ + +#include <linux/module.h> +#include <linux/spinlock.h> +#include <asm/mach-au1x00/au1000.h> + +#define VSS_GATE 0x00 /* gate wait timers */ +#define VSS_CLKRST 0x04 /* clock/block control */ +#define VSS_FTR 0x08 /* footers */ + +#define VSS_ADDR(blk) (KSEG1ADDR(AU1300_VSS_PHYS_ADDR) + (blk * 0x0c)) + +static DEFINE_SPINLOCK(au1300_vss_lock); + +/* enable a block as outlined in the databook */ +static inline void __enable_block(int block) +{ + void __iomem *base = (void __iomem *)VSS_ADDR(block); + + __raw_writel(3, base + VSS_CLKRST); /* enable clock, assert reset */ + wmb(); + + __raw_writel(0x01fffffe, base + VSS_GATE); /* maximum setup time */ + wmb(); + + /* enable footers in sequence */ + __raw_writel(0x01, base + VSS_FTR); + wmb(); + __raw_writel(0x03, base + VSS_FTR); + wmb(); + __raw_writel(0x07, base + VSS_FTR); + wmb(); + __raw_writel(0x0f, base + VSS_FTR); + wmb(); + + __raw_writel(0x01ffffff, base + VSS_GATE); /* start FSM too */ + wmb(); + + __raw_writel(2, base + VSS_CLKRST); /* deassert reset */ + wmb(); + + __raw_writel(0x1f, base + VSS_FTR); /* enable isolation cells */ + wmb(); +} + +/* disable a block as outlined in the databook */ +static inline void __disable_block(int block) +{ + void __iomem *base = (void __iomem *)VSS_ADDR(block); + + __raw_writel(0x0f, base + VSS_FTR); /* disable isolation cells */ + wmb(); + __raw_writel(0, base + VSS_GATE); /* disable FSM */ + wmb(); + __raw_writel(3, base + VSS_CLKRST); /* assert reset */ + wmb(); + __raw_writel(1, base + VSS_CLKRST); /* disable clock */ + wmb(); + __raw_writel(0, base + VSS_FTR); /* disable all footers */ + wmb(); +} + +void au1300_vss_block_control(int block, int enable) +{ + unsigned long flags; + + if (alchemy_get_cputype() != ALCHEMY_CPU_AU1300) + return; + + /* only one block at a time */ + spin_lock_irqsave(&au1300_vss_lock, flags); + if (enable) + __enable_block(block); + else + __disable_block(block); + spin_unlock_irqrestore(&au1300_vss_lock, flags); +} +EXPORT_SYMBOL_GPL(au1300_vss_block_control); |