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118 lines
2.8 KiB
C
118 lines
2.8 KiB
C
/*-
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* Copyright (c) 2014 M. Warner Losh. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#define _ARM32_BUS_DMA_PRIVATE
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <vm/vm.h>
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#include <machine/devmap.h>
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#include <machine/machdep.h>
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#include <machine/platform.h>
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#include <arm/at91/at91var.h>
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#include <arm/at91/at91soc.h>
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#include <arm/at91/at91_aicreg.h>
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#include <dev/fdt/fdt_common.h>
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#include <dev/ofw/openfirm.h>
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#include <machine/fdt.h>
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extern const struct arm_devmap_entry at91_devmap[];
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extern struct bus_space at91_bs_tag;
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bus_space_tag_t fdtbus_bs_tag = &at91_bs_tag;
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struct fdt_fixup_entry fdt_fixup_table[] = {
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{ NULL, NULL }
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};
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static int
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fdt_aic_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig,
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int *pol)
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{
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int offset;
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if (fdt_is_compatible(node, "atmel,at91rm9200-aic"))
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offset = 0;
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else
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return (ENXIO);
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*interrupt = fdt32_to_cpu(intr[0]) + offset;
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*trig = INTR_TRIGGER_CONFORM;
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*pol = INTR_POLARITY_CONFORM;
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return (0);
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}
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fdt_pic_decode_t fdt_pic_table[] = {
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&fdt_aic_decode_ic,
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NULL
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};
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static void
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at91_eoi(void *unused)
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{
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uint32_t *eoicr = (uint32_t *)(0xdffff000 + IC_EOICR);
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*eoicr = 0;
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}
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vm_offset_t
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platform_lastaddr(void)
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{
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return (arm_devmap_lastaddr());
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}
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void
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platform_probe_and_attach(void)
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{
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arm_post_filter = at91_eoi;
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at91_soc_id();
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}
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int
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platform_devmap_init(void)
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{
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// arm_devmap_add_entry(0xfff00000, 0x00100000); /* 1MB - uart, aic and timers*/
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arm_devmap_register_table(at91_devmap);
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return (0);
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}
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void
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platform_gpio_init(void)
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{
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}
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void
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platform_late_init(void)
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{
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}
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