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📄 apb.c(13.9 KB)
📄 apbvar.h(1.93 KB)
📁 ar531x
📄 ar71xx_bus_space_reversed.c(3.83 KB)
📄 ar71xx_bus_space_reversed.h(1.61 KB)
📄 ar71xx_caldata.c(5.01 KB)
📄 ar71xx_chip.c(8.37 KB)
📄 ar71xx_chip.h(1.63 KB)
📄 ar71xx_cpudef.h(5.69 KB)
📄 ar71xx_ehci.c(7.81 KB)
📄 ar71xx_fixup.c(3.56 KB)
📄 ar71xx_fixup.h(1.67 KB)
📄 ar71xx_gpio.c(15.76 KB)
📄 ar71xx_gpiovar.h(2.5 KB)
📄 ar71xx_macaddr.c(2.94 KB)
📄 ar71xx_macaddr.h(1.74 KB)
📄 ar71xx_machdep.c(11.25 KB)
📄 ar71xx_ohci.c(6.24 KB)
📄 ar71xx_pci.c(18.58 KB)
📄 ar71xx_pci_bus_space.c(4.13 KB)
📄 ar71xx_pci_bus_space.h(1.59 KB)
📄 ar71xx_setup.c(6 KB)
📄 ar71xx_setup.h(1.97 KB)
📄 ar71xx_spi.c(7.28 KB)
📄 ar71xx_wdog.c(5.21 KB)
📄 ar71xxreg.h(19.39 KB)
📄 ar724x_chip.c(5.76 KB)
📄 ar724x_chip.h(1.5 KB)
📄 ar724x_pci.c(17.17 KB)
📄 ar724xreg.h(4.28 KB)
📄 ar91xx_chip.c(5.3 KB)
📄 ar91xx_chip.h(1.5 KB)
📄 ar91xxreg.h(3.24 KB)
📄 ar933x_chip.c(8.92 KB)
📄 ar933x_chip.h(1.52 KB)
📄 ar933x_uart.h(3.46 KB)
📄 ar933xreg.h(3.9 KB)
📄 ar934x_chip.c(11.74 KB)
📄 ar934x_chip.h(1.52 KB)
📄 ar934x_nfcreg.h(6.73 KB)
📄 ar934xreg.h(9.9 KB)
📄 files.ar71xx(1.44 KB)
📄 if_arge.c(70.9 KB)
📄 if_argevar.h(6.69 KB)
📄 pcf2123_rtc.c(5.49 KB)
📄 pcf2123reg.h(2.35 KB)
📄 qca953x_chip.c(9.52 KB)
📄 qca953x_chip.h(1.47 KB)
📄 qca953xreg.h(7.59 KB)
📄 qca955x_chip.c(9.79 KB)
📄 qca955x_chip.h(1.47 KB)
📄 qca955x_pci.c(16.27 KB)
📄 qca955xreg.h(8.93 KB)
📄 std.ar71xx(133 B)
📄 uart_bus_ar71xx.c(3.26 KB)
📄 uart_bus_ar933x.c(3.53 KB)
📄 uart_cpu_ar71xx.c(2.41 KB)
📄 uart_cpu_ar933x.c(2.51 KB)
📄 uart_dev_ar933x.c(17.03 KB)
📄 uart_dev_ar933x.h(1.48 KB)

Editing: ar71xx_bus_space_reversed.c

/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (c) 2009, Oleksandr Tymoshenko <gonzo@FreeBSD.org>
 * 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 unmodified, 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 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.
 */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>

#include <machine/bus.h>
#include <mips/atheros/ar71xx_bus_space_reversed.h>

static bs_r_1_proto(reversed);
static bs_r_2_proto(reversed);
static bs_w_1_proto(reversed);
static bs_w_2_proto(reversed);

/*
 * Bus space that handles offsets in word for 1/2 bytes read/write access.
 * Byte order of values is handled by device drivers itself. 
 */
static struct bus_space bus_space_reversed = {
	/* cookie */
	(void *) 0,

/* mapping/unmapping */
	generic_bs_map,
	generic_bs_unmap,
	generic_bs_subregion,

/* allocation/deallocation */
	NULL,
	NULL,

/* barrier */
	generic_bs_barrier,

/* read (single) */
	reversed_bs_r_1,
	reversed_bs_r_2,
	generic_bs_r_4,
	NULL,

/* read multiple */
	generic_bs_rm_1,
	generic_bs_rm_2,
	generic_bs_rm_4,
	NULL,

/* read region */
	generic_bs_rr_1,
	generic_bs_rr_2,
	generic_bs_rr_4,
	NULL,

/* write (single) */
	reversed_bs_w_1,
	reversed_bs_w_2,
	generic_bs_w_4,
	NULL,

/* write multiple */
	generic_bs_wm_1,
	generic_bs_wm_2,
	generic_bs_wm_4,
	NULL,

/* write region */
	NULL,
	generic_bs_wr_2,
	generic_bs_wr_4,
	NULL,

/* set multiple */
	NULL,
	NULL,
	NULL,
	NULL,

/* set region */
	NULL,
	generic_bs_sr_2,
	generic_bs_sr_4,
	NULL,

/* copy */
	NULL,
	generic_bs_c_2,
	NULL,
	NULL,

/* read (single) stream */
	generic_bs_r_1,
	generic_bs_r_2,
	generic_bs_r_4,
	NULL,

/* read multiple stream */
	generic_bs_rm_1,
	generic_bs_rm_2,
	generic_bs_rm_4,
	NULL,

/* read region stream */
	generic_bs_rr_1,
	generic_bs_rr_2,
	generic_bs_rr_4,
	NULL,

/* write (single) stream */
	generic_bs_w_1,
	generic_bs_w_2,
	generic_bs_w_4,
	NULL,

/* write multiple stream */
	generic_bs_wm_1,
	generic_bs_wm_2,
	generic_bs_wm_4,
	NULL,

/* write region stream */
	NULL,
	generic_bs_wr_2,
	generic_bs_wr_4,
	NULL,
};

bus_space_tag_t ar71xx_bus_space_reversed = &bus_space_reversed;

static uint8_t
reversed_bs_r_1(void *t, bus_space_handle_t h, bus_size_t o)
{

return readb(h + (o &~ 3) + (3 - (o & 3)));
}

static void
reversed_bs_w_1(void *t, bus_space_handle_t h, bus_size_t o, u_int8_t v)
{

writeb(h + (o &~ 3) + (3 - (o & 3)), v);
}

static uint16_t
reversed_bs_r_2(void *t, bus_space_handle_t h, bus_size_t o)
{

return readw(h + (o &~ 3) + (2 - (o & 3)));
}

static void
reversed_bs_w_2(void *t, bus_space_handle_t h, bus_size_t o, uint16_t v)
{

writew(h + (o &~ 3) + (2 - (o & 3)), v);
}

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Editing: ar71xx_bus_space_reversed.c

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