diff options
Diffstat (limited to 'sys/mips/nlm/iodi.c')
-rw-r--r-- | sys/mips/nlm/iodi.c | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/sys/mips/nlm/iodi.c b/sys/mips/nlm/iodi.c new file mode 100644 index 0000000..3b372bb --- /dev/null +++ b/sys/mips/nlm/iodi.c @@ -0,0 +1,233 @@ +/*- + * Copyright 2003-2011 Netlogic Microsystems (Netlogic). All rights + * reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY Netlogic Microsystems ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + * + * NETLOGIC_BSD */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#define __RMAN_RESOURCE_VISIBLE +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/bus.h> +#include <sys/interrupt.h> +#include <sys/kernel.h> +#include <sys/lock.h> +#include <sys/malloc.h> +#include <sys/module.h> +#include <sys/mutex.h> +#include <sys/reboot.h> +#include <sys/rman.h> + +#include <vm/vm.h> +#include <vm/vm_param.h> +#include <vm/pmap.h> + +#include <machine/cpu.h> +#include <machine/bus.h> +#include <machine/intr_machdep.h> + +#include <mips/nlm/hal/mmio.h> +#include <mips/nlm/hal/iomap.h> +#include <mips/nlm/hal/pic.h> +#include <mips/nlm/hal/uart.h> +#include <mips/nlm/hal/cop2.h> +#include <mips/nlm/hal/fmn.h> + +#include <mips/nlm/msgring.h> +#include <mips/nlm/xlp.h> +#include <mips/nlm/board.h> + +extern void iodi_activateirqs(void); + +extern bus_space_tag_t uart_bus_space_mem; + +static struct resource *iodi_alloc_resource(device_t, device_t, int, int *, + u_long, u_long, u_long, u_int); + +static int iodi_activate_resource(device_t, device_t, int, int, + struct resource *); +struct iodi_softc *iodi_softc; /* There can be only one. */ + +static int +iodi_setup_intr(device_t dev, device_t child, + struct resource *ires, int flags, driver_filter_t *filt, + driver_intr_t *intr, void *arg, void **cookiep) +{ + const char *name = device_get_name(child); + int unit = device_get_unit(child); + + if (strcmp(name, "uart") == 0) { + /* Note: in xlp, all pic interrupts are level triggered */ + nlm_pic_write_irt_id(xlp_pic_base, XLP_PIC_IRT_UART0_INDEX, 1, 0, + xlp_irt_to_irq(XLP_PIC_IRT_UART0_INDEX), 0, 0, 0x1); + + cpu_establish_hardintr("uart", filt, intr, arg, + xlp_irt_to_irq(XLP_PIC_IRT_UART0_INDEX), flags, cookiep); + } else if (strcmp(name, "ehci") == 0) { + if (unit == 0) { + nlm_pic_write_irt_id(xlp_pic_base, XLP_PIC_IRT_EHCI0_INDEX, 1, 0, + xlp_irt_to_irq(XLP_PIC_IRT_EHCI0_INDEX), 0, 0, 0x1); + + cpu_establish_hardintr("ehci0", filt, intr, arg, + xlp_irt_to_irq(XLP_PIC_IRT_EHCI0_INDEX), flags, cookiep); + } else if (unit == 1) { + nlm_pic_write_irt_id(xlp_pic_base, XLP_PIC_IRT_EHCI1_INDEX, 1, 0, + xlp_irt_to_irq(XLP_PIC_IRT_EHCI1_INDEX), 0, 0, 0x1); + + cpu_establish_hardintr("ehci1", filt, intr, arg, + xlp_irt_to_irq(XLP_PIC_IRT_EHCI1_INDEX), flags, cookiep); + + } + } else if (strcmp(name, "xlp_sdhci") == 0) { + nlm_pic_write_irt_id(xlp_pic_base, XLP_PIC_IRT_MMC_INDEX, 1, 0, + xlp_irt_to_irq(XLP_PIC_IRT_MMC_INDEX), 0, 0, 0x1); + + cpu_establish_hardintr("xlp_sdhci", filt, intr, arg, + xlp_irt_to_irq(XLP_PIC_IRT_MMC_INDEX), flags, cookiep); + + } + + return (0); +} + +static struct resource * +iodi_alloc_resource(device_t bus, device_t child, int type, int *rid, + u_long start, u_long end, u_long count, u_int flags) +{ + struct resource *res = malloc(sizeof(*res), M_DEVBUF, M_WAITOK); + const char *name = device_get_name(child); + int unit; + + switch (type) { + case SYS_RES_IRQ: + device_printf(bus, "IRQ resource - for %s %lx-%lx\n", + device_get_nameunit(child), start, end); + break; + + case SYS_RES_IOPORT: + device_printf(bus, "IOPORT resource - for %s %lx-%lx\n", + device_get_nameunit(child), start, end); + break; + + case SYS_RES_MEMORY: + device_printf(bus, "MEMORY resource - for %s %lx-%lx\n", + device_get_nameunit(child), start, end); + break; + } + + unit = device_get_unit(child); + if (strcmp(name, "uart") == 0) { + if (unit == 0) { + res->r_bushandle = nlm_regbase_uart(0, 0) + XLP_IO_PCI_HDRSZ; + } else if ( unit == 1) { + res->r_bushandle = nlm_regbase_uart(0, 1) + XLP_IO_PCI_HDRSZ; + } else + printf("%s: Unknown uart unit\n", __FUNCTION__); + + res->r_bustag = uart_bus_space_mem; + } + + return (res); +} + +static int +iodi_activate_resource(device_t bus, device_t child, int type, int rid, + struct resource *r) +{ + return (0); +} +/* prototypes */ +static int iodi_probe(device_t); +static int iodi_attach(device_t); +static void iodi_identify(driver_t *, device_t); + +int +iodi_probe(device_t dev) +{ + return 0; +} + +void +iodi_identify(driver_t *driver, device_t parent) +{ + + BUS_ADD_CHILD(parent, 0, "iodi", 0); +} + + +int +iodi_attach(device_t dev) +{ + device_t tmpd; + char desc[32]; + int i; + + device_printf(dev, "IODI - Initialize message ring.\n"); + xlp_msgring_iodi_config(); + + /* + * Attach each devices + */ + device_add_child(dev, "uart", 0); + device_add_child(dev, "xlp_i2c", 0); + device_add_child(dev, "xlp_i2c", 1); + device_add_child(dev, "ehci", 0); + device_add_child(dev, "ehci", 1); + device_add_child(dev, "xlp_sdhci", 0); + + for (i=0; i < XLP_NUM_NODES; i++) { + tmpd = device_add_child(dev, "xlpnae", i); + device_set_ivars(tmpd, &xlp_board_info.nodes[i].nae_ivars); + snprintf(desc, sizeof(desc), "XLP NAE %d", i); + device_set_desc_copy(tmpd, desc); + } + + bus_generic_probe(dev); + bus_generic_attach(dev); + return 0; +} + +static device_method_t iodi_methods[] = { + DEVMETHOD(device_probe, iodi_probe), + DEVMETHOD(device_attach, iodi_attach), + DEVMETHOD(device_identify, iodi_identify), + DEVMETHOD(bus_alloc_resource, iodi_alloc_resource), + DEVMETHOD(bus_activate_resource, iodi_activate_resource), + DEVMETHOD(bus_add_child, bus_generic_add_child), + DEVMETHOD(bus_setup_intr, iodi_setup_intr), + {0, 0}, +}; + +static driver_t iodi_driver = { + "iodi", + iodi_methods, + 1 /* no softc */ +}; +static devclass_t iodi_devclass; + +DRIVER_MODULE(iodi, nexus, iodi_driver, iodi_devclass, 0, 0); |