/*- * Copyright (c) 2003-2009 RMI Corporation * 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. * 3. Neither the name of RMI Corporation, nor the names of its contributors, * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR 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. * * RMI_BSD */ #define __RMAN_RESOURCE_VISIBLE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include 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 *); static int iodi_setup_intr(device_t, device_t, struct resource *, int, driver_intr_t *, void *, void **); struct iodi_softc *iodi_softc; /* There can be only one. */ static void pic_usb_ack(void *arg) { xlr_reg_t *mmio = xlr_io_mmio(XLR_IO_PIC_OFFSET); int irq = PIC_USB_IRQ ; mtx_lock_spin(&xlr_pic_lock); xlr_write_reg(mmio, PIC_INT_ACK, (1 << (irq - PIC_IRQ_BASE))); mtx_unlock_spin(&xlr_pic_lock); } static int iodi_setup_intr(device_t dev, device_t child, struct resource *ires, int flags, driver_intr_t *intr, void *arg, void **cookiep) { int level; xlr_reg_t *mmio = xlr_io_mmio(XLR_IO_PIC_OFFSET); xlr_reg_t reg; /* FIXME is this the right place to fiddle with PIC? */ if (strcmp(device_get_name(child),"uart") == 0) { /* FIXME uart 1? */ mtx_lock_spin(&xlr_pic_lock); level = PIC_IRQ_IS_EDGE_TRIGGERED(PIC_IRT_UART_0_INDEX); xlr_write_reg(mmio, PIC_IRT_0_UART_0, 0x01); xlr_write_reg(mmio, PIC_IRT_1_UART_0, ((1 << 31) | (level<<30)|(1<<6)|(PIC_UART_0_IRQ))); mtx_unlock_spin(&xlr_pic_lock); cpu_establish_intr("uart", PIC_UART_0_IRQ, (driver_intr_t *)intr, (void *)arg, flags, cookiep, NULL, NULL); } else if (strcmp(device_get_name(child),"rge") == 0) { mtx_lock_spin(&xlr_pic_lock); reg = xlr_read_reg(mmio, PIC_IRT_1_BASE + ires->r_flags - PIC_IRQ_BASE); xlr_write_reg(mmio, PIC_IRT_1_BASE + ires->r_flags - PIC_IRQ_BASE, reg | (1<<6)|(1<<30)| (1<<31)); mtx_unlock_spin(&xlr_pic_lock); cpu_establish_intr("rge", ires->r_flags, (driver_intr_t *)intr, (void *)arg, flags, cookiep, NULL, NULL); } else if (strcmp(device_get_name(child),"ehci") == 0) { mtx_lock_spin(&xlr_pic_lock); reg = xlr_read_reg(mmio, PIC_IRT_1_BASE + PIC_USB_IRQ - PIC_IRQ_BASE); xlr_write_reg(mmio, PIC_IRT_1_BASE + PIC_USB_IRQ - PIC_IRQ_BASE, reg | (1<<6)|(1<<30)| (1<<31)); mtx_unlock_spin(&xlr_pic_lock); cpu_establish_intr("ehci", PIC_USB_IRQ, (driver_intr_t *)intr, (void *)arg, flags, cookiep, (flags & INTR_FAST)? NULL: pic_usb_ack , NULL); } BUS_SETUP_INTR(device_get_parent(dev), child, ires, flags, intr, arg, 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); int unit; #ifdef DEBUG 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; } #endif if (strcmp(device_get_name(child),"uart") == 0) { if ((unit=device_get_unit(child)) == 0) { /* uart 0 */ res->r_bushandle = (xlr_io_base + XLR_IO_UART_0_OFFSET); } else if ( unit == 1) { res->r_bushandle = (xlr_io_base + XLR_IO_UART_1_OFFSET); } else printf("%s: Unknown uart unit\n", __FUNCTION__); res->r_bustag = uart_bus_space_mem; } else if (strcmp(device_get_name(child),"ehci") == 0) { res->r_bushandle = 0xbef24000; res->r_bustag = MIPS_BUS_SPACE_PCI; } else if (strcmp(device_get_name(child),"cfi") == 0) { res->r_bushandle = 0xbc000000; res->r_bustag = 0; } res->r_start = *rid; 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; /* * Attach each devices */ device_add_child(dev, "uart", 0); device_add_child(dev, "xlr_i2c", 0); if (xlr_board_info.usb) device_add_child(dev, "ehci", 0); if (xlr_board_info.cfi) device_add_child(dev, "cfi", 0); if (xlr_board_info.gmac_block[0].enabled) { tmpd = device_add_child(dev, "rge", 0); device_set_ivars(tmpd, &xlr_board_info.gmac_block[0]); tmpd = device_add_child(dev, "rge", 1); device_set_ivars(tmpd, &xlr_board_info.gmac_block[0]); tmpd = device_add_child(dev, "rge", 2); device_set_ivars(tmpd, &xlr_board_info.gmac_block[0]); tmpd = device_add_child(dev, "rge", 3); device_set_ivars(tmpd, &xlr_board_info.gmac_block[0]); } if (xlr_board_info.gmac_block[1].enabled) { if (xlr_board_info.gmac_block[1].type == XLR_GMAC) { tmpd = device_add_child(dev, "rge", 4); device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]); tmpd = device_add_child(dev, "rge", 5); device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]); tmpd = device_add_child(dev, "rge", 6); device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]); tmpd = device_add_child(dev, "rge", 7); device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]); } else if (xlr_board_info.gmac_block[1].type == XLR_XGMAC) { #if 0 /* XGMAC not yet */ tmpd = device_add_child(dev, "rge", 4); device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]); tmpd = device_add_child(dev, "rge", 5); device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]); #endif } else device_printf(dev, "Unknown type of gmac 1\n"); } 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_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);