diff options
24 files changed, 1514 insertions, 47 deletions
diff --git a/arch/mips/alchemy/Kconfig b/arch/mips/alchemy/Kconfig index 36df5e2..766bada 100644 --- a/arch/mips/alchemy/Kconfig +++ b/arch/mips/alchemy/Kconfig @@ -2,6 +2,10 @@ config ALCHEMY_GPIOINT_AU1000 bool +# au1300-style GPIO/INT controller +config ALCHEMY_GPIOINT_AU1300 + bool + # select this in your board config if you don't want to use the gpio # namespace as documented in the manuals. In this case however you need # to create the necessary gpio_* functions in your board code/headers! diff --git a/arch/mips/alchemy/common/Makefile b/arch/mips/alchemy/common/Makefile index 811ece7..d3f5c51 100644 --- a/arch/mips/alchemy/common/Makefile +++ b/arch/mips/alchemy/common/Makefile @@ -6,9 +6,10 @@ # obj-y += prom.o time.o clocks.o platform.o power.o setup.o \ - sleeper.o dma.o dbdma.o + sleeper.o dma.o dbdma.o vss.o obj-$(CONFIG_ALCHEMY_GPIOINT_AU1000) += irq.o +obj-$(CONFIG_ALCHEMY_GPIOINT_AU1300) += gpioint.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 0e63ee4..c723ec1 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 @@ -1038,6 +1082,8 @@ 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/gpioint.c b/arch/mips/alchemy/common/gpioint.c new file mode 100644 index 0000000..b8cd336 --- /dev/null +++ b/arch/mips/alchemy/common/gpioint.c @@ -0,0 +1,411 @@ +/* + * gpioint.c - Au1300 GPIO+Interrupt controller (I call it "GPIC") support. + * + * Copyright (c) 2009-2011 Manuel Lauss <manuel.lauss@googlemail.com> + * + * licensed under the GPLv2. + */ + +#include <linux/io.h> +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/syscore_ops.h> +#include <linux/types.h> + +#include <asm/irq_cpu.h> +#include <asm/mach-au1x00/au1000.h> +#include <asm/mach-au1x00/gpio-au1300.h> + +static int au1300_gpic_settype(struct irq_data *d, unsigned int type); + +/* setup for known onchip sources */ +struct gpic_devint_data { + int irq; /* linux IRQ number */ + int type; /* IRQ_TYPE_ */ + int prio; /* irq priority, 0 highest, 3 lowest */ + int internal; /* internal source (no ext. pin)? */ +}; + +static const struct gpic_devint_data au1300_devints[] __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 */ +}; + + +/* + * 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) +{ + 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(); + } +} + +/**********************************************************************/ + +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 void __init alchemy_gpic_init_irq(const struct gpic_devint_data *dints) +{ + int i; + void __iomem *bank_base; + + 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++; + } + + set_c0_status(IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3); +} + +static unsigned long alchemy_gpic_pmdata[ALCHEMY_GPIC_INT_NUM + 6]; + +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_gpic_pmops = { + .suspend = alchemy_gpic_suspend, + .resume = alchemy_gpic_resume, +}; + +/**********************************************************************/ + +void __init arch_init_irq(void) +{ + switch (alchemy_get_cputype()) { + case ALCHEMY_CPU_AU1300: + alchemy_gpic_init_irq(&au1300_devints[0]); + register_syscore_ops(&alchemy_gpic_pmops); + break; + } +} + +#define CAUSEF_GPIC (CAUSEF_IP2 | CAUSEF_IP3 | CAUSEF_IP4 | CAUSEF_IP5) + +void plat_irq_dispatch(void) +{ + unsigned long i, c = read_c0_cause() & read_c0_status(); + + if (c & CAUSEF_IP7) /* c0 timer */ + do_IRQ(MIPS_CPU_IRQ_BASE + 7); + else if (likely(c & CAUSEF_GPIC)) { + i = __raw_readl(AU1300_GPIC_ADDR + AU1300_GPIC_PRIENC); + do_IRQ(i + ALCHEMY_GPIC_INT_BASE); + } else + spurious_interrupt(); +} diff --git a/arch/mips/alchemy/common/gpiolib.c b/arch/mips/alchemy/common/gpiolib.c index 91fb4d9..f1b50f0 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) { @@ -115,6 +117,43 @@ struct gpio_chip alchemy_gpio_chip[] = { }, }; +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/platform.c b/arch/mips/alchemy/common/platform.c index c8e5d72..95cb911 100644 --- a/arch/mips/alchemy/common/platform.c +++ b/arch/mips/alchemy/common/platform.c @@ -82,6 +82,12 @@ 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 = { @@ -122,10 +128,12 @@ static unsigned long alchemy_ohci_data[][2] __initdata = { [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) @@ -169,8 +177,8 @@ static void __init alchemy_setup_usb(int ctype) 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; @@ -187,6 +195,25 @@ static void __init alchemy_setup_usb(int ctype) 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 = "au1xxx-ohci"; + pdev->id = 1; + pdev->dev.dma_mask = &alchemy_ohci_dmamask; + + if (platform_device_register(pdev)) + printk(KERN_INFO "Alchemy USB: cannot add OHCI1\n"); + } } /* Macro to help defining the Ethernet MAC resources */ diff --git a/arch/mips/alchemy/common/power.c b/arch/mips/alchemy/common/power.c index bdd6651..0c7fce2 100644 --- a/arch/mips/alchemy/common/power.c +++ b/arch/mips/alchemy/common/power.c @@ -126,6 +126,9 @@ 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/sleeper.S b/arch/mips/alchemy/common/sleeper.S index 77f3c74..c7bcc7e 100644 --- a/arch/mips/alchemy/common/sleeper.S +++ b/arch/mips/alchemy/common/sleeper.S @@ -153,6 +153,79 @@ LEAF(alchemy_sleep_au1550) 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 mips3 + +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 d5da6ad..a594a85 100644 --- a/arch/mips/alchemy/common/time.c +++ b/arch/mips/alchemy/common/time.c @@ -178,6 +178,7 @@ static int alchemy_m2inttab[] __initdata = { AU1100_RTC_MATCH2_INT, AU1550_RTC_MATCH2_INT, AU1200_RTC_MATCH2_INT, + AU1300_RTC_MATCH2_INT, }; void __init plat_time_init(void) diff --git a/arch/mips/alchemy/common/vss.c b/arch/mips/alchemy/common/vss.c new file mode 100644 index 0000000..d23b144 --- /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); diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h index 2f7f418..79e4a0d 100644 --- a/arch/mips/include/asm/cpu.h +++ b/arch/mips/include/asm/cpu.h @@ -169,6 +169,7 @@ #define PRID_IMP_NETLOGIC_XLS412B 0x4c00 #define PRID_IMP_NETLOGIC_XLS408B 0x4e00 #define PRID_IMP_NETLOGIC_XLS404B 0x4f00 +#define PRID_IMP_NETLOGIC_AU13XX 0x8000 /* * Definitions for 7:0 on legacy processors diff --git a/arch/mips/include/asm/mach-au1x00/au1000.h b/arch/mips/include/asm/mach-au1x00/au1000.h index de24ec57..65f1262 100644 --- a/arch/mips/include/asm/mach-au1x00/au1000.h +++ b/arch/mips/include/asm/mach-au1x00/au1000.h @@ -136,6 +136,7 @@ static inline int au1xxx_cpu_needs_config_od(void) #define ALCHEMY_CPU_AU1100 2 #define ALCHEMY_CPU_AU1550 3 #define ALCHEMY_CPU_AU1200 4 +#define ALCHEMY_CPU_AU1300 5 static inline int alchemy_get_cputype(void) { @@ -156,6 +157,9 @@ static inline int alchemy_get_cputype(void) case 0x05030000: return ALCHEMY_CPU_AU1200; break; + case 0x800c0000: + return ALCHEMY_CPU_AU1300; + break; } return ALCHEMY_CPU_UNKNOWN; @@ -166,6 +170,7 @@ static inline int alchemy_get_uarts(int type) { switch (type) { case ALCHEMY_CPU_AU1000: + case ALCHEMY_CPU_AU1300: return 4; case ALCHEMY_CPU_AU1500: case ALCHEMY_CPU_AU1200: @@ -243,6 +248,7 @@ extern unsigned long au1xxx_calc_clock(void); /* PM: arch/mips/alchemy/common/sleeper.S, power.c, irq.c */ void alchemy_sleep_au1000(void); void alchemy_sleep_au1550(void); +void alchemy_sleep_au1300(void); void au_sleep(void); /* USB: drivers/usb/host/alchemy-common.c */ @@ -251,6 +257,7 @@ enum alchemy_usb_block { ALCHEMY_USB_UDC0, ALCHEMY_USB_EHCI0, ALCHEMY_USB_OTG0, + ALCHEMY_USB_OHCI1, }; int alchemy_usb_control(int block, int enable); @@ -263,14 +270,92 @@ struct alchemy_pci_platdata { unsigned long pci_cfg_clr; }; -/* SOC Interrupt numbers */ +/* Multifunction pins: Each of these pins can either be assigned to the + * GPIO controller or a on-chip peripheral. + * Call "au1300_pinfunc_to_dev()" or "au1300_pinfunc_to_gpio()" to + * assign one of these to either the GPIO controller or the device. + */ +enum au1300_multifunc_pins { + /* wake-from-str pins 0-3 */ + AU1300_PIN_WAKE0 = 0, AU1300_PIN_WAKE1, AU1300_PIN_WAKE2, + AU1300_PIN_WAKE3, + /* external clock sources for PSCs: 4-5 */ + AU1300_PIN_EXTCLK0, AU1300_PIN_EXTCLK1, + /* 8bit MMC interface on SD0: 6-9 */ + AU1300_PIN_SD0DAT4, AU1300_PIN_SD0DAT5, AU1300_PIN_SD0DAT6, + AU1300_PIN_SD0DAT7, + /* aux clk input for freqgen 3: 10 */ + AU1300_PIN_FG3AUX, + /* UART1 pins: 11-18 */ + AU1300_PIN_U1RI, AU1300_PIN_U1DCD, AU1300_PIN_U1DSR, + AU1300_PIN_U1CTS, AU1300_PIN_U1RTS, AU1300_PIN_U1DTR, + AU1300_PIN_U1RX, AU1300_PIN_U1TX, + /* UART0 pins: 19-24 */ + AU1300_PIN_U0RI, AU1300_PIN_U0DCD, AU1300_PIN_U0DSR, + AU1300_PIN_U0CTS, AU1300_PIN_U0RTS, AU1300_PIN_U0DTR, + /* UART2: 25-26 */ + AU1300_PIN_U2RX, AU1300_PIN_U2TX, + /* UART3: 27-28 */ + AU1300_PIN_U3RX, AU1300_PIN_U3TX, + /* LCD controller PWMs, ext pixclock: 29-31 */ + AU1300_PIN_LCDPWM0, AU1300_PIN_LCDPWM1, AU1300_PIN_LCDCLKIN, + /* SD1 interface: 32-37 */ + AU1300_PIN_SD1DAT0, AU1300_PIN_SD1DAT1, AU1300_PIN_SD1DAT2, + AU1300_PIN_SD1DAT3, AU1300_PIN_SD1CMD, AU1300_PIN_SD1CLK, + /* SD2 interface: 38-43 */ + AU1300_PIN_SD2DAT0, AU1300_PIN_SD2DAT1, AU1300_PIN_SD2DAT2, + AU1300_PIN_SD2DAT3, AU1300_PIN_SD2CMD, AU1300_PIN_SD2CLK, + /* PSC0/1 clocks: 44-45 */ + AU1300_PIN_PSC0CLK, AU1300_PIN_PSC1CLK, + /* PSCs: 46-49/50-53/54-57/58-61 */ + AU1300_PIN_PSC0SYNC0, AU1300_PIN_PSC0SYNC1, AU1300_PIN_PSC0D0, + AU1300_PIN_PSC0D1, + AU1300_PIN_PSC1SYNC0, AU1300_PIN_PSC1SYNC1, AU1300_PIN_PSC1D0, + AU1300_PIN_PSC1D1, + AU1300_PIN_PSC2SYNC0, AU1300_PIN_PSC2SYNC1, AU1300_PIN_PSC2D0, + AU1300_PIN_PSC2D1, + AU1300_PIN_PSC3SYNC0, AU1300_PIN_PSC3SYNC1, AU1300_PIN_PSC3D0, + AU1300_PIN_PSC3D1, + /* PCMCIA interface: 62-70 */ + AU1300_PIN_PCE2, AU1300_PIN_PCE1, AU1300_PIN_PIOS16, + AU1300_PIN_PIOR, AU1300_PIN_PWE, AU1300_PIN_PWAIT, + AU1300_PIN_PREG, AU1300_PIN_POE, AU1300_PIN_PIOW, + /* camera interface H/V sync inputs: 71-72 */ + AU1300_PIN_CIMLS, AU1300_PIN_CIMFS, + /* PSC2/3 clocks: 73-74 */ + AU1300_PIN_PSC2CLK, AU1300_PIN_PSC3CLK, +}; + +/* GPIC (Au1300) pin management: arch/mips/alchemy/common/gpioint.c */ +extern void au1300_pinfunc_to_gpio(enum au1300_multifunc_pins gpio); +extern void au1300_pinfunc_to_dev(enum au1300_multifunc_pins gpio); +extern void au1300_set_irq_priority(unsigned int irq, int p); +extern void au1300_set_dbdma_gpio(int dchan, unsigned int gpio); + +/* Au1300 allows to disconnect certain blocks from internal power supply */ +enum au1300_vss_block { + AU1300_VSS_MPE = 0, + AU1300_VSS_BSA, + AU1300_VSS_GPE, + AU1300_VSS_MGP, +}; + +extern void au1300_vss_block_control(int block, int enable); + +/* SOC Interrupt numbers */ +/* Au1000-style (IC0/1): 2 controllers with 32 sources each */ #define AU1000_INTC0_INT_BASE (MIPS_CPU_IRQ_BASE + 8) #define AU1000_INTC0_INT_LAST (AU1000_INTC0_INT_BASE + 31) #define AU1000_INTC1_INT_BASE (AU1000_INTC0_INT_LAST + 1) #define AU1000_INTC1_INT_LAST (AU1000_INTC1_INT_BASE + 31) #define AU1000_MAX_INTR AU1000_INTC1_INT_LAST +/* Au1300-style (GPIC): 1 controller with up to 128 sources */ +#define ALCHEMY_GPIC_INT_BASE (MIPS_CPU_IRQ_BASE + 8) +#define ALCHEMY_GPIC_INT_NUM 128 +#define ALCHEMY_GPIC_INT_LAST (ALCHEMY_GPIC_INT_BASE + ALCHEMY_GPIC_INT_NUM - 1) + enum soc_au1000_ints { AU1000_FIRST_INT = AU1000_INTC0_INT_BASE, AU1000_UART0_INT = AU1000_FIRST_INT, @@ -591,24 +676,77 @@ enum soc_au1200_ints { #endif /* !defined (_LANGUAGE_ASSEMBLY) */ +/* Au1300 peripheral interrupt numbers */ +#define AU1300_FIRST_INT (ALCHEMY_GPIC_INT_BASE) +#define AU1300_UART1_INT (AU1300_FIRST_INT + 17) +#define AU1300_UART2_INT (AU1300_FIRST_INT + 25) +#define AU1300_UART3_INT (AU1300_FIRST_INT + 27) +#define AU1300_SD1_INT (AU1300_FIRST_INT + 32) +#define AU1300_SD2_INT (AU1300_FIRST_INT + 38) +#define AU1300_PSC0_INT (AU1300_FIRST_INT + 48) +#define AU1300_PSC1_INT (AU1300_FIRST_INT + 52) +#define AU1300_PSC2_INT (AU1300_FIRST_INT + 56) +#define AU1300_PSC3_INT (AU1300_FIRST_INT + 60) +#define AU1300_NAND_INT (AU1300_FIRST_INT + 62) +#define AU1300_DDMA_INT (AU1300_FIRST_INT + 75) +#define AU1300_MMU_INT (AU1300_FIRST_INT + 76) +#define AU1300_MPU_INT (AU1300_FIRST_INT + 77) +#define AU1300_GPU_INT (AU1300_FIRST_INT + 78) +#define AU1300_UDMA_INT (AU1300_FIRST_INT + 79) +#define AU1300_TOY_INT (AU1300_FIRST_INT + 80) +#define AU1300_TOY_MATCH0_INT (AU1300_FIRST_INT + 81) +#define AU1300_TOY_MATCH1_INT (AU1300_FIRST_INT + 82) +#define AU1300_TOY_MATCH2_INT (AU1300_FIRST_INT + 83) +#define AU1300_RTC_INT (AU1300_FIRST_INT + 84) +#define AU1300_RTC_MATCH0_INT (AU1300_FIRST_INT + 85) +#define AU1300_RTC_MATCH1_INT (AU1300_FIRST_INT + 86) +#define AU1300_RTC_MATCH2_INT (AU1300_FIRST_INT + 87) +#define AU1300_UART0_INT (AU1300_FIRST_INT + 88) +#define AU1300_SD0_INT (AU1300_FIRST_INT + 89) +#define AU1300_USB_INT (AU1300_FIRST_INT + 90) +#define AU1300_LCD_INT (AU1300_FIRST_INT + 91) +#define AU1300_BSA_INT (AU1300_FIRST_INT + 92) +#define AU1300_MPE_INT (AU1300_FIRST_INT + 93) +#define AU1300_ITE_INT (AU1300_FIRST_INT + 94) +#define AU1300_AES_INT (AU1300_FIRST_INT + 95) +#define AU1300_CIM_INT (AU1300_FIRST_INT + 96) + +/**********************************************************************/ + /* * Physical base addresses for integrated peripherals - * 0..au1000 1..au1500 2..au1100 3..au1550 4..au1200 + * 0..au1000 1..au1500 2..au1100 3..au1550 4..au1200 5..au1300 */ #define AU1000_AC97_PHYS_ADDR 0x10000000 /* 012 */ +#define AU1300_ROM_PHYS_ADDR 0x10000000 /* 5 */ +#define AU1300_OTP_PHYS_ADDR 0x10002000 /* 5 */ +#define AU1300_VSS_PHYS_ADDR 0x10003000 /* 5 */ +#define AU1300_UART0_PHYS_ADDR 0x10100000 /* 5 */ +#define AU1300_UART1_PHYS_ADDR 0x10101000 /* 5 */ +#define AU1300_UART2_PHYS_ADDR 0x10102000 /* 5 */ +#define AU1300_UART3_PHYS_ADDR 0x10103000 /* 5 */ #define AU1000_USB_OHCI_PHYS_ADDR 0x10100000 /* 012 */ #define AU1000_USB_UDC_PHYS_ADDR 0x10200000 /* 0123 */ +#define AU1300_GPIC_PHYS_ADDR 0x10200000 /* 5 */ #define AU1000_IRDA_PHYS_ADDR 0x10300000 /* 02 */ -#define AU1200_AES_PHYS_ADDR 0x10300000 /* 4 */ +#define AU1200_AES_PHYS_ADDR 0x10300000 /* 45 */ #define AU1000_IC0_PHYS_ADDR 0x10400000 /* 01234 */ +#define AU1300_GPU_PHYS_ADDR 0x10500000 /* 5 */ #define AU1000_MAC0_PHYS_ADDR 0x10500000 /* 023 */ #define AU1000_MAC1_PHYS_ADDR 0x10510000 /* 023 */ #define AU1000_MACEN_PHYS_ADDR 0x10520000 /* 023 */ -#define AU1100_SD0_PHYS_ADDR 0x10600000 /* 24 */ +#define AU1100_SD0_PHYS_ADDR 0x10600000 /* 245 */ +#define AU1300_SD1_PHYS_ADDR 0x10601000 /* 5 */ +#define AU1300_SD2_PHYS_ADDR 0x10602000 /* 5 */ #define AU1100_SD1_PHYS_ADDR 0x10680000 /* 24 */ +#define AU1300_SYS_PHYS_ADDR 0x10900000 /* 5 */ #define AU1550_PSC2_PHYS_ADDR 0x10A00000 /* 3 */ #define AU1550_PSC3_PHYS_ADDR 0x10B00000 /* 3 */ +#define AU1300_PSC0_PHYS_ADDR 0x10A00000 /* 5 */ +#define AU1300_PSC1_PHYS_ADDR 0x10A01000 /* 5 */ +#define AU1300_PSC2_PHYS_ADDR 0x10A02000 /* 5 */ +#define AU1300_PSC3_PHYS_ADDR 0x10A03000 /* 5 */ #define AU1000_I2S_PHYS_ADDR 0x11000000 /* 02 */ #define AU1500_MAC0_PHYS_ADDR 0x11500000 /* 1 */ #define AU1500_MAC1_PHYS_ADDR 0x11510000 /* 1 */ @@ -622,38 +760,97 @@ enum soc_au1200_ints { #define AU1000_SSI1_PHYS_ADDR 0x11680000 /* 02 */ #define AU1500_GPIO2_PHYS_ADDR 0x11700000 /* 1234 */ #define AU1000_IC1_PHYS_ADDR 0x11800000 /* 01234 */ -#define AU1000_SYS_PHYS_ADDR 0x11900000 /* 01234 */ +#define AU1000_SYS_PHYS_ADDR 0x11900000 /* 012345 */ #define AU1550_PSC0_PHYS_ADDR 0x11A00000 /* 34 */ #define AU1550_PSC1_PHYS_ADDR 0x11B00000 /* 34 */ #define AU1000_MEM_PHYS_ADDR 0x14000000 /* 01234 */ #define AU1000_STATIC_MEM_PHYS_ADDR 0x14001000 /* 01234 */ +#define AU1300_UDMA_PHYS_ADDR 0x14001800 /* 5 */ #define AU1000_DMA_PHYS_ADDR 0x14002000 /* 012 */ -#define AU1550_DBDMA_PHYS_ADDR 0x14002000 /* 34 */ -#define AU1550_DBDMA_CONF_PHYS_ADDR 0x14003000 /* 34 */ +#define AU1550_DBDMA_PHYS_ADDR 0x14002000 /* 345 */ +#define AU1550_DBDMA_CONF_PHYS_ADDR 0x14003000 /* 345 */ #define AU1000_MACDMA0_PHYS_ADDR 0x14004000 /* 0123 */ #define AU1000_MACDMA1_PHYS_ADDR 0x14004200 /* 0123 */ -#define AU1200_CIM_PHYS_ADDR 0x14004000 /* 4 */ +#define AU1200_CIM_PHYS_ADDR 0x14004000 /* 45 */ #define AU1500_PCI_PHYS_ADDR 0x14005000 /* 13 */ #define AU1550_PE_PHYS_ADDR 0x14008000 /* 3 */ #define AU1200_MAEBE_PHYS_ADDR 0x14010000 /* 4 */ #define AU1200_MAEFE_PHYS_ADDR 0x14012000 /* 4 */ +#define AU1300_MAEITE_PHYS_ADDR 0x14010000 /* 5 */ +#define AU1300_MAEMPE_PHYS_ADDR 0x14014000 /* 5 */ #define AU1550_USB_OHCI_PHYS_ADDR 0x14020000 /* 3 */ #define AU1200_USB_CTL_PHYS_ADDR 0x14020000 /* 4 */ #define AU1200_USB_OTG_PHYS_ADDR 0x14020020 /* 4 */ #define AU1200_USB_OHCI_PHYS_ADDR 0x14020100 /* 4 */ #define AU1200_USB_EHCI_PHYS_ADDR 0x14020200 /* 4 */ #define AU1200_USB_UDC_PHYS_ADDR 0x14022000 /* 4 */ +#define AU1300_USB_EHCI_PHYS_ADDR 0x14020000 /* 5 */ +#define AU1300_USB_OHCI0_PHYS_ADDR 0x14020400 /* 5 */ +#define AU1300_USB_OHCI1_PHYS_ADDR 0x14020800 /* 5 */ +#define AU1300_USB_CTL_PHYS_ADDR 0x14021000 /* 5 */ +#define AU1300_USB_OTG_PHYS_ADDR 0x14022000 /* 5 */ +#define AU1300_MAEBSA_PHYS_ADDR 0x14030000 /* 5 */ #define AU1100_LCD_PHYS_ADDR 0x15000000 /* 2 */ -#define AU1200_LCD_PHYS_ADDR 0x15000000 /* 4 */ +#define AU1200_LCD_PHYS_ADDR 0x15000000 /* 45 */ #define AU1500_PCI_MEM_PHYS_ADDR 0x400000000ULL /* 13 */ #define AU1500_PCI_IO_PHYS_ADDR 0x500000000ULL /* 13 */ #define AU1500_PCI_CONFIG0_PHYS_ADDR 0x600000000ULL /* 13 */ #define AU1500_PCI_CONFIG1_PHYS_ADDR 0x680000000ULL /* 13 */ -#define AU1000_PCMCIA_IO_PHYS_ADDR 0xF00000000ULL /* 01234 */ -#define AU1000_PCMCIA_ATTR_PHYS_ADDR 0xF40000000ULL /* 01234 */ -#define AU1000_PCMCIA_MEM_PHYS_ADDR 0xF80000000ULL /* 01234 */ +#define AU1000_PCMCIA_IO_PHYS_ADDR 0xF00000000ULL /* 012345 */ +#define AU1000_PCMCIA_ATTR_PHYS_ADDR 0xF40000000ULL /* 012345 */ +#define AU1000_PCMCIA_MEM_PHYS_ADDR 0xF80000000ULL /* 012345 */ + +/**********************************************************************/ +/* + * Au1300 GPIO+INT controller (GPIC) register offsets and bits + * Registers are 128bits (0x10 bytes), divided into 4 "banks". + */ +#define AU1300_GPIC_PINVAL 0x0000 +#define AU1300_GPIC_PINVALCLR 0x0010 +#define AU1300_GPIC_IPEND 0x0020 +#define AU1300_GPIC_PRIENC 0x0030 +#define AU1300_GPIC_IEN 0x0040 /* int_mask in manual */ +#define AU1300_GPIC_IDIS 0x0050 /* int_maskclr in manual */ +#define AU1300_GPIC_DMASEL 0x0060 +#define AU1300_GPIC_DEVSEL 0x0080 +#define AU1300_GPIC_DEVCLR 0x0090 +#define AU1300_GPIC_RSTVAL 0x00a0 +/* pin configuration space. one 32bit register for up to 128 IRQs */ +#define AU1300_GPIC_PINCFG 0x1000 + +#define GPIC_GPIO_TO_BIT(gpio) \ + (1 << ((gpio) & 0x1f)) + +#define GPIC_GPIO_BANKOFF(gpio) \ + (((gpio) >> 5) * 4) + +/* Pin Control bits: who owns the pin, what does it do */ +#define GPIC_CFG_PC_GPIN 0 +#define GPIC_CFG_PC_DEV 1 +#define GPIC_CFG_PC_GPOLOW 2 +#define GPIC_CFG_PC_GPOHIGH 3 +#define GPIC_CFG_PC_MASK 3 + +/* assign pin to MIPS IRQ line */ +#define GPIC_CFG_IL_SET(x) (((x) & 3) << 2) +#define GPIC_CFG_IL_MASK (3 << 2) + +/* pin interrupt type setup */ +#define GPIC_CFG_IC_OFF (0 << 4) +#define GPIC_CFG_IC_LEVEL_LOW (1 << 4) +#define GPIC_CFG_IC_LEVEL_HIGH (2 << 4) +#define GPIC_CFG_IC_EDGE_FALL (5 << 4) +#define GPIC_CFG_IC_EDGE_RISE (6 << 4) +#define GPIC_CFG_IC_EDGE_BOTH (7 << 4) +#define GPIC_CFG_IC_MASK (7 << 4) + +/* allow interrupt to wake cpu from 'wait' */ +#define GPIC_CFG_IDLEWAKE (1 << 7) + +/***********************************************************************/ + /* Au1000 SDRAM memory controller register offsets */ #define AU1000_MEM_SDMODE0 0x0000 #define AU1000_MEM_SDMODE1 0x0004 diff --git a/arch/mips/include/asm/mach-au1x00/au1100_mmc.h b/arch/mips/include/asm/mach-au1x00/au1100_mmc.h index 94000a3..e221659 100644 --- a/arch/mips/include/asm/mach-au1x00/au1100_mmc.h +++ b/arch/mips/include/asm/mach-au1x00/au1100_mmc.h @@ -130,8 +130,10 @@ struct au1xmmc_platform_data { #define SD_CONFIG2_DF (0x00000008) #define SD_CONFIG2_DC (0x00000010) #define SD_CONFIG2_xx2 (0x000000e0) +#define SD_CONFIG2_BB (0x00000080) #define SD_CONFIG2_WB (0x00000100) #define SD_CONFIG2_RW (0x00000200) +#define SD_CONFIG2_DP (0x00000400) /* diff --git a/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h b/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h index 323ce2d..217810e 100644 --- a/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h +++ b/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h @@ -183,6 +183,37 @@ typedef volatile struct au1xxx_ddma_desc { #define AU1200_DSCR_CMD0_PSC1_SYNC 25 #define AU1200_DSCR_CMD0_CIM_SYNC 26 +#define AU1300_DSCR_CMD0_UART0_TX 0 +#define AU1300_DSCR_CMD0_UART0_RX 1 +#define AU1300_DSCR_CMD0_UART1_TX 2 +#define AU1300_DSCR_CMD0_UART1_RX 3 +#define AU1300_DSCR_CMD0_UART2_TX 4 +#define AU1300_DSCR_CMD0_UART2_RX 5 +#define AU1300_DSCR_CMD0_UART3_TX 6 +#define AU1300_DSCR_CMD0_UART3_RX 7 +#define AU1300_DSCR_CMD0_SDMS_TX0 8 +#define AU1300_DSCR_CMD0_SDMS_RX0 9 +#define AU1300_DSCR_CMD0_SDMS_TX1 10 +#define AU1300_DSCR_CMD0_SDMS_RX1 11 +#define AU1300_DSCR_CMD0_AES_TX 12 +#define AU1300_DSCR_CMD0_AES_RX 13 +#define AU1300_DSCR_CMD0_PSC0_TX 14 +#define AU1300_DSCR_CMD0_PSC0_RX 15 +#define AU1300_DSCR_CMD0_PSC1_TX 16 +#define AU1300_DSCR_CMD0_PSC1_RX 17 +#define AU1300_DSCR_CMD0_PSC2_TX 18 +#define AU1300_DSCR_CMD0_PSC2_RX 19 +#define AU1300_DSCR_CMD0_PSC3_TX 20 +#define AU1300_DSCR_CMD0_PSC3_RX 21 +#define AU1300_DSCR_CMD0_LCD 22 +#define AU1300_DSCR_CMD0_NAND_FLASH 23 +#define AU1300_DSCR_CMD0_SDMS_TX2 24 +#define AU1300_DSCR_CMD0_SDMS_RX2 25 +#define AU1300_DSCR_CMD0_CIM_SYNC 26 +#define AU1300_DSCR_CMD0_UDMA 27 +#define AU1300_DSCR_CMD0_DMA_REQ0 28 +#define AU1300_DSCR_CMD0_DMA_REQ1 29 + #define DSCR_CMD0_THROTTLE 30 #define DSCR_CMD0_ALWAYS 31 #define DSCR_NDEV_IDS 32 diff --git a/arch/mips/include/asm/mach-au1x00/gpio-au1300.h b/arch/mips/include/asm/mach-au1x00/gpio-au1300.h new file mode 100644 index 0000000..556e1be --- /dev/null +++ b/arch/mips/include/asm/mach-au1x00/gpio-au1300.h @@ -0,0 +1,241 @@ +/* + * gpio-au1300.h -- GPIO control for Au1300 GPIC and compatibles. + * + * Copyright (c) 2009-2011 Manuel Lauss <manuel.lauss@googlemail.com> + */ + +#ifndef _GPIO_AU1300_H_ +#define _GPIO_AU1300_H_ + +#include <asm/addrspace.h> +#include <asm/io.h> +#include <asm/mach-au1x00/au1000.h> + +/* with the current GPIC design, up to 128 GPIOs are possible. + * The only implementation so far is in the Au1300, which has 75 externally + * available GPIOs. + */ +#define AU1300_GPIO_BASE 0 +#define AU1300_GPIO_NUM 75 +#define AU1300_GPIO_MAX (AU1300_GPIO_BASE + AU1300_GPIO_NUM - 1) + +#define AU1300_GPIC_ADDR \ + (void __iomem *)KSEG1ADDR(AU1300_GPIC_PHYS_ADDR) + +static inline int au1300_gpio_get_value(unsigned int gpio) +{ + void __iomem *roff = AU1300_GPIC_ADDR; + int bit; + + gpio -= AU1300_GPIO_BASE; + roff += GPIC_GPIO_BANKOFF(gpio); + bit = GPIC_GPIO_TO_BIT(gpio); + return __raw_readl(roff + AU1300_GPIC_PINVAL) & bit; +} + +static inline int au1300_gpio_direction_input(unsigned int gpio) +{ + void __iomem *roff = AU1300_GPIC_ADDR; + unsigned long bit; + + gpio -= AU1300_GPIO_BASE; + + roff += GPIC_GPIO_BANKOFF(gpio); + bit = GPIC_GPIO_TO_BIT(gpio); + __raw_writel(bit, roff + AU1300_GPIC_DEVCLR); + wmb(); + + return 0; +} + +static inline int au1300_gpio_set_value(unsigned int gpio, int v) +{ + void __iomem *roff = AU1300_GPIC_ADDR; + unsigned long bit; + + gpio -= AU1300_GPIO_BASE; + + roff += GPIC_GPIO_BANKOFF(gpio); + bit = GPIC_GPIO_TO_BIT(gpio); + __raw_writel(bit, roff + (v ? AU1300_GPIC_PINVAL + : AU1300_GPIC_PINVALCLR)); + wmb(); + + return 0; +} + +static inline int au1300_gpio_direction_output(unsigned int gpio, int v) +{ + /* hw switches to output automatically */ + return au1300_gpio_set_value(gpio, v); +} + +static inline int au1300_gpio_to_irq(unsigned int gpio) +{ + return AU1300_FIRST_INT + (gpio - AU1300_GPIO_BASE); +} + +static inline int au1300_irq_to_gpio(unsigned int irq) +{ + return (irq - AU1300_FIRST_INT) + AU1300_GPIO_BASE; +} + +static inline int au1300_gpio_is_valid(unsigned int gpio) +{ + int ret; + + switch (alchemy_get_cputype()) { + case ALCHEMY_CPU_AU1300: + ret = ((gpio >= AU1300_GPIO_BASE) && (gpio <= AU1300_GPIO_MAX)); + break; + default: + ret = 0; + } + return ret; +} + +static inline int au1300_gpio_cansleep(unsigned int gpio) +{ + return 0; +} + +/* hardware remembers gpio 0-63 levels on powerup */ +static inline int au1300_gpio_getinitlvl(unsigned int gpio) +{ + void __iomem *roff = AU1300_GPIC_ADDR; + unsigned long v; + + if (unlikely(gpio > 63)) + return 0; + else if (gpio > 31) { + gpio -= 32; + roff += 4; + } + + v = __raw_readl(roff + AU1300_GPIC_RSTVAL); + return (v >> gpio) & 1; +} + +/**********************************************************************/ + +/* Linux gpio framework integration. +* +* 4 use cases of Alchemy GPIOS: +*(1) GPIOLIB=y, ALCHEMY_GPIO_INDIRECT=y: +* Board must register gpiochips. +*(2) GPIOLIB=y, ALCHEMY_GPIO_INDIRECT=n: +* A gpiochip for the 75 GPIOs is registered. +* +*(3) GPIOLIB=n, ALCHEMY_GPIO_INDIRECT=y: +* the boards' gpio.h must provide the linux gpio wrapper functions, +* +*(4) GPIOLIB=n, ALCHEMY_GPIO_INDIRECT=n: +* inlinable gpio functions are provided which enable access to the +* Au1300 gpios only by using the numbers straight out of the data- +* sheets. + +* Cases 1 and 3 are intended for boards which want to provide their own +* GPIO namespace and -operations (i.e. for example you have 8 GPIOs +* which are in part provided by spare Au1300 GPIO pins and in part by +* an external FPGA but you still want them to be accssible in linux +* as gpio0-7. The board can of course use the alchemy_gpioX_* functions +* as required). +*/ + +#ifndef CONFIG_GPIOLIB + +#ifdef CONFIG_ALCHEMY_GPIOINT_AU1300 + +#ifndef CONFIG_ALCHEMY_GPIO_INDIRECT /* case (4) */ + +static inline int gpio_direction_input(unsigned int gpio) +{ + return au1300_gpio_direction_input(gpio); +} + +static inline int gpio_direction_output(unsigned int gpio, int v) +{ + return au1300_gpio_direction_output(gpio, v); +} + +static inline int gpio_get_value(unsigned int gpio) +{ + return au1300_gpio_get_value(gpio); +} + +static inline void gpio_set_value(unsigned int gpio, int v) +{ + au1300_gpio_set_value(gpio, v); +} + +static inline int gpio_get_value_cansleep(unsigned gpio) +{ + return gpio_get_value(gpio); +} + +static inline void gpio_set_value_cansleep(unsigned gpio, int value) +{ + gpio_set_value(gpio, value); +} + +static inline int gpio_is_valid(unsigned int gpio) +{ + return au1300_gpio_is_valid(gpio); +} + +static inline int gpio_cansleep(unsigned int gpio) +{ + return au1300_gpio_cansleep(gpio); +} + +static inline int gpio_to_irq(unsigned int gpio) +{ + return au1300_gpio_to_irq(gpio); +} + +static inline int irq_to_gpio(unsigned int irq) +{ + return au1300_irq_to_gpio(irq); +} + +static inline int gpio_request(unsigned int gpio, const char *label) +{ + return 0; +} + +static inline void gpio_free(unsigned int gpio) +{ +} + +static inline int gpio_set_debounce(unsigned gpio, unsigned debounce) +{ + return -ENOSYS; +} + +static inline void gpio_unexport(unsigned gpio) +{ +} + +static inline int gpio_export(unsigned gpio, bool direction_may_change) +{ + return -ENOSYS; +} + +static inline int gpio_sysfs_set_active_low(unsigned gpio, int value) +{ + return -ENOSYS; +} + +static inline int gpio_export_link(struct device *dev, const char *name, + unsigned gpio) +{ + return -ENOSYS; +} + +#endif /* !CONFIG_ALCHEMY_GPIO_INDIRECT */ + +#endif /* CONFIG_ALCHEMY_GPIOINT_AU1300 */ + +#endif /* CONFIG GPIOLIB */ + +#endif /* _GPIO_AU1300_H_ */ diff --git a/arch/mips/include/asm/mach-au1x00/gpio.h b/arch/mips/include/asm/mach-au1x00/gpio.h index fcdc8c4..22e7ff1 100644 --- a/arch/mips/include/asm/mach-au1x00/gpio.h +++ b/arch/mips/include/asm/mach-au1x00/gpio.h @@ -12,6 +12,7 @@ #include <asm/mach-au1x00/au1000.h> #include <asm/mach-au1x00/gpio-au1000.h> +#include <asm/mach-au1x00/gpio-au1300.h> /* On Au1000, Au1500 and Au1100 GPIOs won't work as inputs before * SYS_PININPUTEN is written to at least once. On Au1550/Au1200/Au1300 this @@ -58,6 +59,8 @@ static inline int __au_irq_to_gpio(unsigned int irq) switch (alchemy_get_cputype()) { case ALCHEMY_CPU_AU1000...ALCHEMY_CPU_AU1200: return alchemy_irq_to_gpio(irq); + case ALCHEMY_CPU_AU1300: + return au1300_irq_to_gpio(irq); } return -EINVAL; } diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index c7d3cf1..9838399 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -1014,6 +1014,13 @@ static inline void cpu_probe_netlogic(struct cpuinfo_mips *c, int cpu) { decode_configs(c); + if ((c->processor_id & 0xff00) == PRID_IMP_NETLOGIC_AU13XX) { + c->cputype = CPU_ALCHEMY; + __cpu_name[cpu] = "Au1300"; + /* following stuff is not for Alchemy */ + return; + } + c->options = (MIPS_CPU_TLB | MIPS_CPU_4KEX | MIPS_CPU_COUNTER | diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index a3afac4..cbe7a2f 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -299,11 +299,11 @@ config I2C_AT91 unless your system can cope with those limitations. config I2C_AU1550 - tristate "Au1550/Au1200 SMBus interface" + tristate "Au1550/Au1200/Au1300 SMBus interface" depends on MIPS_ALCHEMY help If you say yes to this option, support will be included for the - Au1550 and Au1200 SMBus interface. + Au1550/Au1200/Au1300 SMBus interface. This driver can also be built as a module. If so, the module will be called i2c-au1550. diff --git a/drivers/mmc/host/au1xmmc.c b/drivers/mmc/host/au1xmmc.c index 5d3b9ae..dbd0c8a 100644 --- a/drivers/mmc/host/au1xmmc.c +++ b/drivers/mmc/host/au1xmmc.c @@ -153,6 +153,7 @@ static inline int has_dbdma(void) { switch (alchemy_get_cputype()) { case ALCHEMY_CPU_AU1200: + case ALCHEMY_CPU_AU1300: return 1; default: return 0; @@ -768,11 +769,15 @@ static void au1xmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) config2 = au_readl(HOST_CONFIG2(host)); switch (ios->bus_width) { + case MMC_BUS_WIDTH_8: + config2 |= SD_CONFIG2_BB; + break; case MMC_BUS_WIDTH_4: + config2 &= ~SD_CONFIG2_BB; config2 |= SD_CONFIG2_WB; break; case MMC_BUS_WIDTH_1: - config2 &= ~SD_CONFIG2_WB; + config2 &= ~(SD_CONFIG2_WB | SD_CONFIG2_BB); break; } au_writel(config2, HOST_CONFIG2(host)); @@ -943,7 +948,7 @@ static int __devinit au1xmmc_probe(struct platform_device *pdev) struct mmc_host *mmc; struct au1xmmc_host *host; struct resource *r; - int ret; + int ret, iflag; mmc = mmc_alloc_host(sizeof(struct au1xmmc_host), &pdev->dev); if (!mmc) { @@ -982,37 +987,43 @@ static int __devinit au1xmmc_probe(struct platform_device *pdev) dev_err(&pdev->dev, "no IRQ defined\n"); goto out3; } - host->irq = r->start; - /* IRQ is shared among both SD controllers */ - ret = request_irq(host->irq, au1xmmc_irq, IRQF_SHARED, - DRIVER_NAME, host); - if (ret) { - dev_err(&pdev->dev, "cannot grab IRQ\n"); - goto out3; - } mmc->ops = &au1xmmc_ops; mmc->f_min = 450000; mmc->f_max = 24000000; + mmc->max_blk_size = 2048; + mmc->max_blk_count = 512; + + mmc->ocr_avail = AU1XMMC_OCR; + mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_SDIO_IRQ; + mmc->max_segs = AU1XMMC_DESCRIPTOR_COUNT; + + iflag = IRQF_SHARED; /* Au1100/Au1200: one int for both ctrls */ + switch (alchemy_get_cputype()) { case ALCHEMY_CPU_AU1100: mmc->max_seg_size = AU1100_MMC_DESCRIPTOR_SIZE; - mmc->max_segs = AU1XMMC_DESCRIPTOR_COUNT; break; case ALCHEMY_CPU_AU1200: mmc->max_seg_size = AU1200_MMC_DESCRIPTOR_SIZE; - mmc->max_segs = AU1XMMC_DESCRIPTOR_COUNT; + break; + case ALCHEMY_CPU_AU1300: + iflag = 0; /* nothing is shared */ + mmc->max_seg_size = AU1200_MMC_DESCRIPTOR_SIZE; + mmc->f_max = 52000000; + if (host->ioarea->start == AU1100_SD0_PHYS_ADDR) + mmc->caps |= MMC_CAP_8_BIT_DATA; break; } - mmc->max_blk_size = 2048; - mmc->max_blk_count = 512; - - mmc->ocr_avail = AU1XMMC_OCR; - mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_SDIO_IRQ; + ret = request_irq(host->irq, au1xmmc_irq, iflag, DRIVER_NAME, host); + if (ret) { + dev_err(&pdev->dev, "cannot grab IRQ\n"); + goto out3; + } host->status = HOST_S_IDLE; diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index a1fd73d..369e092 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -87,12 +87,12 @@ config SPI_BFIN_SPORT Enable support for a SPI bus via the Blackfin SPORT peripheral. config SPI_AU1550 - tristate "Au1550/Au12x0 SPI Controller" + tristate "Au1550/Au1200/Au1300 SPI Controller" depends on MIPS_ALCHEMY && EXPERIMENTAL select SPI_BITBANG help If you say yes to this option, support will be included for the - Au1550 SPI controller (may also work with Au1200,Au1210,Au1250). + PSC SPI controller found on Au1550, Au1200 and Au1300 series. config SPI_BITBANG tristate "Utilities for Bitbanging SPI masters" diff --git a/drivers/usb/host/alchemy-common.c b/drivers/usb/host/alchemy-common.c index b4192c9..936af83 100644 --- a/drivers/usb/host/alchemy-common.c +++ b/drivers/usb/host/alchemy-common.c @@ -52,9 +52,263 @@ 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) { @@ -233,6 +487,9 @@ int alchemy_usb_control(int block, int enable) 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; } @@ -281,6 +538,20 @@ static void au1200_usb_pm(int susp) } } +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()) { @@ -295,6 +566,9 @@ static void alchemy_usb_pm(int susp) case ALCHEMY_CPU_AU1200: au1200_usb_pm(susp); break; + case ALCHEMY_CPU_AU1300: + au1300_usb_pm(susp); + break; } } @@ -328,6 +602,9 @@ static int __init alchemy_usb_init(void) case ALCHEMY_CPU_AU1200: au1200_usb_init(); break; + case ALCHEMY_CPU_AU1300: + au1300_usb_init(); + break; } register_syscore_ops(&alchemy_usb_pm_ops); diff --git a/drivers/usb/host/ohci-au1xxx.c b/drivers/usb/host/ohci-au1xxx.c index 9b66df8..95d1a71 100644 --- a/drivers/usb/host/ohci-au1xxx.c +++ b/drivers/usb/host/ohci-au1xxx.c @@ -89,7 +89,7 @@ static const struct hc_driver ohci_au1xxx_hc_driver = { static int ohci_hcd_au1xxx_drv_probe(struct platform_device *pdev) { - int ret; + int ret, unit; struct usb_hcd *hcd; if (usb_disabled()) @@ -120,7 +120,9 @@ static int ohci_hcd_au1xxx_drv_probe(struct platform_device *pdev) goto err2; } - if (alchemy_usb_control(ALCHEMY_USB_OHCI0, 1)) { + unit = (hcd->rsrc_start == AU1300_USB_OHCI1_PHYS_ADDR) ? + ALCHEMY_USB_OHCI1 : ALCHEMY_USB_OHCI0; + if (alchemy_usb_control(unit, 1)) { printk(KERN_INFO "%s: controller init failed!\n", pdev->name); ret = -ENODEV; goto err3; @@ -135,7 +137,7 @@ static int ohci_hcd_au1xxx_drv_probe(struct platform_device *pdev) return ret; } - alchemy_usb_control(ALCHEMY_USB_OHCI0, 0); + alchemy_usb_control(unit, 0); err3: iounmap(hcd->regs); err2: @@ -148,9 +150,12 @@ err1: static int ohci_hcd_au1xxx_drv_remove(struct platform_device *pdev) { struct usb_hcd *hcd = platform_get_drvdata(pdev); + int unit; + unit = (hcd->rsrc_start == AU1300_USB_OHCI1_PHYS_ADDR) ? + ALCHEMY_USB_OHCI1 : ALCHEMY_USB_OHCI0; usb_remove_hcd(hcd); - alchemy_usb_control(ALCHEMY_USB_OHCI0, 0); + alchemy_usb_control(unit, 0); iounmap(hcd->regs); release_mem_region(hcd->rsrc_start, hcd->rsrc_len); usb_put_hcd(hcd); diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index d83e967..acd4ba5 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -1763,16 +1763,16 @@ config FB_AU1100 au1100fb:panel=<name>. config FB_AU1200 - bool "Au1200 LCD Driver" + bool "Au1200/Au1300 LCD Driver" depends on (FB = y) && MIPS_ALCHEMY select FB_SYS_FILLRECT select FB_SYS_COPYAREA select FB_SYS_IMAGEBLIT select FB_SYS_FOPS help - This is the framebuffer driver for the AMD Au1200 SOC. It can drive - various panels and CRTs by passing in kernel cmd line option - au1200fb:panel=<name>. + This is the framebuffer driver for the Au1200/Au1300 SOCs. + It can drive various panels and CRTs by passing in kernel cmd line + option au1200fb:panel=<name>. config FB_VT8500 bool "VT8500 LCD Driver" diff --git a/sound/soc/au1x/Kconfig b/sound/soc/au1x/Kconfig index e908a81..93323cc 100644 --- a/sound/soc/au1x/Kconfig +++ b/sound/soc/au1x/Kconfig @@ -1,13 +1,13 @@ ## -## Au1200/Au1550 PSC + DBDMA +## Au1200/Au1550/Au1300 PSC + DBDMA ## config SND_SOC_AU1XPSC - tristate "SoC Audio for Au1200/Au1250/Au1550" + tristate "SoC Audio for Au12xx/Au13xx/Au1550" depends on MIPS_ALCHEMY help This option enables support for the Programmable Serial Controllers in AC97 and I2S mode, and the Descriptor-Based DMA - Controller (DBDMA) as found on the Au1200/Au1250/Au1550 SoC. + Controller (DBDMA) as found on the Au12xx/Au13xx/Au1550 SoC. config SND_SOC_AU1XPSC_I2S tristate |
