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!
#
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),)
{ 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
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;
}
--- /dev/null
+/*
+ * 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();
+}
* 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>
#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)
{
},
};
+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;
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;
}
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 = {
[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)
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;
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 */
case ALCHEMY_CPU_AU1200:
alchemy_sleep_au1550();
break;
+ case ALCHEMY_CPU_AU1300:
+ alchemy_sleep_au1300();
+ break;
}
restore_core_regs();
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.
AU1100_RTC_MATCH2_INT,
AU1550_RTC_MATCH2_INT,
AU1200_RTC_MATCH2_INT,
+ AU1300_RTC_MATCH2_INT,
};
void __init plat_time_init(void)
--- /dev/null
+/*
+ * 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);
#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
#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)
{
case 0x05030000:
return ALCHEMY_CPU_AU1200;
break;
+ case 0x800c0000:
+ return ALCHEMY_CPU_AU1300;
+ break;
}
return ALCHEMY_CPU_UNKNOWN;
{
switch (type) {
case ALCHEMY_CPU_AU1000:
+ case ALCHEMY_CPU_AU1300:
return 4;
case ALCHEMY_CPU_AU1500:
case ALCHEMY_CPU_AU1200:
/* 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 */
ALCHEMY_USB_UDC0,
ALCHEMY_USB_EHCI0,
ALCHEMY_USB_OTG0,
+ ALCHEMY_USB_OHCI1,
};
int alchemy_usb_control(int block, int enable);
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,
#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 */
#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
#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)
/*
#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
--- /dev/null
+/*
+ * 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_ */
#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
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;
}
{
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 |
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.
{
switch (alchemy_get_cputype()) {
case ALCHEMY_CPU_AU1200:
+ case ALCHEMY_CPU_AU1300:
return 1;
default:
return 0;
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));
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) {
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;
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"
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)
{
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;
}
}
}
+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_AU1200:
au1200_usb_pm(susp);
break;
+ case ALCHEMY_CPU_AU1300:
+ au1300_usb_pm(susp);
+ break;
}
}
case ALCHEMY_CPU_AU1200:
au1200_usb_init();
break;
+ case ALCHEMY_CPU_AU1300:
+ au1300_usb_init();
+ break;
}
register_syscore_ops(&alchemy_usb_pm_ops);
static int ohci_hcd_au1xxx_drv_probe(struct platform_device *pdev)
{
- int ret;
+ int ret, unit;
struct usb_hcd *hcd;
if (usb_disabled())
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;
return ret;
}
- alchemy_usb_control(ALCHEMY_USB_OHCI0, 0);
+ alchemy_usb_control(unit, 0);
err3:
iounmap(hcd->regs);
err2:
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);
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"
##
-## 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
projects / karo-tx-linux.git / commitdiff