diff options
Diffstat (limited to 'sys/arm/xscale/i8134x/i81342.c')
| -rw-r--r-- | sys/arm/xscale/i8134x/i81342.c | 468 |
1 files changed, 0 insertions, 468 deletions
diff --git a/sys/arm/xscale/i8134x/i81342.c b/sys/arm/xscale/i8134x/i81342.c deleted file mode 100644 index ace6004cf9c0..000000000000 --- a/sys/arm/xscale/i8134x/i81342.c +++ /dev/null @@ -1,468 +0,0 @@ -/*- - * SPDX-License-Identifier: BSD-2-Clause-FreeBSD - * - * Copyright (c) 2006 Olivier Houchard - * 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 THE AUTHOR ``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 - * 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. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/bus.h> -#include <sys/kernel.h> -#include <sys/module.h> - -#define _ARM32_BUS_DMA_PRIVATE -#include <machine/armreg.h> -#include <machine/bus.h> -#include <machine/intr.h> - -#include <arm/xscale/i8134x/i81342reg.h> -#include <arm/xscale/i8134x/i81342var.h> - -#define WDTCR_ENABLE1 0x1e1e1e1e -#define WDTCR_ENABLE2 0xe1e1e1e1 - -static volatile int intr_enabled0; -static volatile int intr_enabled1; -static volatile int intr_enabled2; -static volatile int intr_enabled3; - -struct bus_space i81342_bs_tag; - -/* Read the interrupt pending register */ - -static __inline -uint32_t intpnd0_read(void) -{ - uint32_t ret; - - __asm __volatile("mrc p6, 0, %0, c0, c3, 0" - : "=r" (ret)); - return (ret); -} - -static __inline -uint32_t intpnd1_read(void) -{ - uint32_t ret; - - __asm __volatile("mrc p6, 0, %0, c1, c3, 0" - : "=r" (ret)); - return (ret); -} - -static __inline -uint32_t intpnd2_read(void) -{ - uint32_t ret; - - __asm __volatile("mrc p6, 0, %0, c2, c3, 0" - : "=r" (ret)); - return (ret); -} - -static __inline -uint32_t intpnd3_read(void) -{ - uint32_t ret; - - __asm __volatile("mrc p6, 0, %0, c3, c3, 0" - : "=r" (ret)); - return (ret); -} - -/* Read the interrupt control register */ -/* 0 masked, 1 unmasked */ -static __inline -uint32_t intctl0_read(void) -{ - uint32_t ret; - - __asm __volatile("mrc p6, 0, %0, c0, c4, 0" - : "=r" (ret)); - return (ret); -} - -static __inline -uint32_t intctl1_read(void) -{ - uint32_t ret; - - __asm __volatile("mrc p6, 0, %0, c1, c4, 0" - : "=r" (ret)); - return (ret); -} - -static __inline -uint32_t intctl2_read(void) -{ - uint32_t ret; - - __asm __volatile("mrc p6, 0, %0, c2, c4, 0" - : "=r" (ret)); - return (ret); -} - -static __inline -uint32_t intctl3_read(void) -{ - uint32_t ret; - - __asm __volatile("mrc p6, 0, %0, c3, c4, 0" - : "=r" (ret)); - return (ret); -} - -/* Write the interrupt control register */ - -static __inline -void intctl0_write(uint32_t val) -{ - - __asm __volatile("mcr p6, 0, %0, c0, c4, 0" - : : "r" (val)); -} - -static __inline -void intctl1_write(uint32_t val) -{ - - __asm __volatile("mcr p6, 0, %0, c1, c4, 0" - : : "r" (val)); -} - -static __inline -void intctl2_write(uint32_t val) -{ - - __asm __volatile("mcr p6, 0, %0, c2, c4, 0" - : : "r" (val)); -} - -static __inline -void intctl3_write(uint32_t val) -{ - - __asm __volatile("mcr p6, 0, %0, c3, c4, 0" - : : "r" (val)); -} - -/* Read the interrupt steering register */ -/* 0 IRQ 1 FIQ */ -static __inline -uint32_t intstr0_read(void) -{ - uint32_t ret; - - __asm __volatile("mrc p6, 0, %0, c0, c5, 0" - : "=r" (ret)); - return (ret); -} - -static __inline -uint32_t intstr1_read(void) -{ - uint32_t ret; - - __asm __volatile("mrc p6, 0, %0, c1, c5, 0" - : "=r" (ret)); - return (ret); -} - -static __inline -uint32_t intstr2_read(void) -{ - uint32_t ret; - - __asm __volatile("mrc p6, 0, %0, c2, c5, 0" - : "=r" (ret)); - return (ret); -} - -static __inline -uint32_t intstr3_read(void) -{ - uint32_t ret; - - __asm __volatile("mrc p6, 0, %0, c3, c5, 0" - : "=r" (ret)); - return (ret); -} - -/* Write the interrupt steering register */ - -static __inline -void intstr0_write(uint32_t val) -{ - - __asm __volatile("mcr p6, 0, %0, c0, c5, 0" - : : "r" (val)); -} - -static __inline -void intstr1_write(uint32_t val) -{ - - __asm __volatile("mcr p6, 0, %0, c1, c5, 0" - : : "r" (val)); -} - -static __inline -void intstr2_write(uint32_t val) -{ - - __asm __volatile("mcr p6, 0, %0, c2, c5, 0" - : : "r" (val)); -} - -static __inline -void intstr3_write(uint32_t val) -{ - - __asm __volatile("mcr p6, 0, %0, c3, c5, 0" - : : "r" (val)); -} - -void -cpu_reset(void) -{ - - disable_interrupts(PSR_I); - /* XXX: Use the watchdog to reset for now */ - __asm __volatile("mcr p6, 0, %0, c8, c9, 0\n" - "mcr p6, 0, %1, c7, c9, 0\n" - "mcr p6, 0, %2, c7, c9, 0\n" - : : "r" (1), "r" (WDTCR_ENABLE1), "r" (WDTCR_ENABLE2)); - while (1); -} - -void -arm_mask_irq(uintptr_t nb) -{ - - if (nb < 32) { - intr_enabled0 &= ~(1 << nb); - intctl0_write(intr_enabled0); - } else if (nb < 64) { - intr_enabled1 &= ~(1 << (nb - 32)); - intctl1_write(intr_enabled1); - } else if (nb < 96) { - intr_enabled2 &= ~(1 << (nb - 64)); - intctl2_write(intr_enabled2); - } else { - intr_enabled3 &= ~(1 << (nb - 96)); - intctl3_write(intr_enabled3); - } -} - -void -arm_unmask_irq(uintptr_t nb) -{ - if (nb < 32) { - intr_enabled0 |= (1 << nb); - intctl0_write(intr_enabled0); - } else if (nb < 64) { - intr_enabled1 |= (1 << (nb - 32)); - intctl1_write(intr_enabled1); - } else if (nb < 96) { - intr_enabled2 |= (1 << (nb - 64)); - intctl2_write(intr_enabled2); - } else { - intr_enabled3 |= (1 << (nb - 96)); - intctl3_write(intr_enabled3); - } -} - -int -arm_get_next_irq(int last __unused) -{ - uint32_t val; - val = intpnd0_read() & intr_enabled0; - if (val) - return (ffs(val) - 1); - val = intpnd1_read() & intr_enabled1; - if (val) - return (32 + ffs(val) - 1); - val = intpnd2_read() & intr_enabled2; - if (val) - return (64 + ffs(val) - 1); - val = intpnd3_read() & intr_enabled3; - if (val) - return (96 + ffs(val) - 1); - return (-1); -} - -int -bus_dma_get_range_nb(void) -{ - return (0); -} - -struct arm32_dma_range * -bus_dma_get_range(void) -{ - return (NULL); -} - -static int -i81342_probe(device_t dev) -{ - unsigned int freq; - - freq = *(volatile unsigned int *)(IOP34X_VADDR + IOP34X_PFR); - - switch (freq & IOP34X_FREQ_MASK) { - case IOP34X_FREQ_600: - device_set_desc(dev, "Intel 81342 600MHz"); - break; - case IOP34X_FREQ_667: - device_set_desc(dev, "Intel 81342 667MHz"); - break; - case IOP34X_FREQ_800: - device_set_desc(dev, "Intel 81342 800MHz"); - break; - case IOP34X_FREQ_833: - device_set_desc(dev, "Intel 81342 833MHz"); - break; - case IOP34X_FREQ_1000: - device_set_desc(dev, "Intel 81342 1000MHz"); - break; - case IOP34X_FREQ_1200: - device_set_desc(dev, "Intel 81342 1200MHz"); - break; - default: - device_set_desc(dev, "Intel 81342 unknown frequency"); - break; - } - return (0); -} - -static void -i81342_identify(driver_t *driver, device_t parent) -{ - - BUS_ADD_CHILD(parent, 0, "iq", 0); -} - -static int -i81342_attach(device_t dev) -{ - struct i81342_softc *sc = device_get_softc(dev); - uint32_t esstrsr; - - i81342_bs_init(&i81342_bs_tag, sc); - sc->sc_st = &i81342_bs_tag; - sc->sc_sh = IOP34X_VADDR; - esstrsr = bus_space_read_4(sc->sc_st, sc->sc_sh, IOP34X_ESSTSR0); - sc->sc_atux_sh = IOP34X_ATUX_ADDR(esstrsr) - IOP34X_HWADDR + - IOP34X_VADDR; - sc->sc_atue_sh = IOP34X_ATUE_ADDR(esstrsr) - IOP34X_HWADDR + - IOP34X_VADDR; - /* Disable all interrupts. */ - intctl0_write(0); - intctl1_write(0); - intctl2_write(0); - intctl3_write(0); - /* Defaults to IRQ */ - intstr0_write(0); - intstr1_write(0); - intstr2_write(0); - intstr3_write(0); - sc->sc_irq_rman.rm_type = RMAN_ARRAY; - sc->sc_irq_rman.rm_descr = "i81342 IRQs"; - if (rman_init(&sc->sc_irq_rman) != 0 || - rman_manage_region(&sc->sc_irq_rman, 0, 127) != 0) - panic("i81342_attach: failed to set up IRQ rman"); - - device_add_child(dev, "obio", 0); - device_add_child(dev, "itimer", 0); - device_add_child(dev, "iopwdog", 0); - device_add_child(dev, "pcib", 0); - device_add_child(dev, "pcib", 1); - device_add_child(dev, "iqseg", 0); - bus_generic_probe(dev); - bus_generic_attach(dev); - return (0); -} - -static struct resource * -i81342_alloc_resource(device_t dev, device_t child, int type, int *rid, - rman_res_t start, rman_res_t end, rman_res_t count, u_int flags) -{ - struct i81342_softc *sc = device_get_softc(dev); - struct resource *rv; - - if (type == SYS_RES_IRQ) { - rv = rman_reserve_resource(&sc->sc_irq_rman, - start, end, count, flags, child); - if (rv != NULL) - rman_set_rid(rv, *rid); - return (rv); - } - - return (NULL); -} - -static int -i81342_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) -{ - int error; - - error = BUS_SETUP_INTR(device_get_parent(dev), child, ires, flags, - filt, intr, arg, cookiep); - if (error) - return (error); - return (0); -} - -static int -i81342_teardown_intr(device_t dev, device_t child, struct resource *res, - void *cookie) -{ - return (BUS_TEARDOWN_INTR(device_get_parent(dev), child, res, cookie)); -} - -static device_method_t i81342_methods[] = { - DEVMETHOD(device_probe, i81342_probe), - DEVMETHOD(device_attach, i81342_attach), - DEVMETHOD(device_identify, i81342_identify), - DEVMETHOD(bus_alloc_resource, i81342_alloc_resource), - DEVMETHOD(bus_setup_intr, i81342_setup_intr), - DEVMETHOD(bus_teardown_intr, i81342_teardown_intr), - {0, 0}, -}; - -static driver_t i81342_driver = { - "iq", - i81342_methods, - sizeof(struct i81342_softc), -}; -static devclass_t i81342_devclass; - -DRIVER_MODULE(iq, nexus, i81342_driver, i81342_devclass, 0, 0); |