support SD/MMC on Netwalker.

This commit is contained in:
bsh 2012-04-19 09:53:53 +00:00
parent 0b42cd2335
commit f93c4185bf
3 changed files with 140 additions and 4 deletions

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@ -1,4 +1,4 @@
# $NetBSD: files.imx51,v 1.4 2012/04/17 10:19:57 bsh Exp $
# $NetBSD: files.imx51,v 1.5 2012/04/19 09:53:53 bsh Exp $
#
# Configuration info for the Freescale i.MX51
#
@ -87,8 +87,8 @@ file arch/arm/imx/imxusb.c imxehci
# file arch/arm/imx/wdc_axi.c wdc_axi
# SD host controller for SD/MMC
# device imxmci: sdmmcbus
# file arch/arm/imx/imx51_mci.c imxmci
attach sdhc at axi with sdhc_axi
file arch/arm/imx/imx51_esdhc.c sdhc_axi
# iic Controler
# device imxi2c: i2cbus

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@ -0,0 +1,128 @@
/* $NetBSD: imx51_esdhc.c,v 1.1 2012/04/19 09:53:53 bsh Exp $ */
/*-
* Copyright (c) 2012 Genetec Corporation. All rights reserved.
* Written by Hiroyuki Bessho for Genetec Corporation.
*
* 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 REGENTS 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 REGENTS
* 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>
__KERNEL_RCSID(0, "$NetBSD: imx51_esdhc.c,v 1.1 2012/04/19 09:53:53 bsh Exp $");
#include <sys/param.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/pmf.h>
#include <machine/intr.h>
#include <dev/sdmmc/sdhcvar.h>
#include <dev/sdmmc/sdmmcvar.h>
#include <arm/imx/imx51reg.h>
#include <arm/imx/imx51var.h>
#include <arm/imx/imx51_ccmvar.h>
struct sdhc_axi_softc {
struct sdhc_softc sc_sdhc;
/* we have only one slot */
struct sdhc_host *sc_hosts[1];
void *sc_ih;
};
static int sdhc_match(device_t, cfdata_t, void *);
static void sdhc_attach(device_t, device_t, void *);
CFATTACH_DECL_NEW(sdhc_axi, sizeof(struct sdhc_axi_softc),
sdhc_match, sdhc_attach, NULL, NULL);
static int
sdhc_match(device_t parent, cfdata_t cf, void *aux)
{
struct axi_attach_args *aa = aux;
switch (aa->aa_addr) {
case ESDHC1_BASE:
case ESDHC2_BASE:
return 1;
}
return 0;
}
static void
sdhc_attach(device_t parent, device_t self, void *aux)
{
struct sdhc_axi_softc *sc = device_private(self);
struct axi_attach_args *aa = aux;
bus_space_tag_t iot = aa->aa_iot;
bus_space_handle_t ioh;
u_int perclk;
sc->sc_sdhc.sc_dev = self;
sc->sc_sdhc.sc_dmat = aa->aa_dmat;
if (bus_space_map(iot, aa->aa_addr, ESDHC_SIZE, 0, &ioh)) {
aprint_error_dev(self, "can't map\n");
return;
}
aprint_normal(": SD/MMC host controller\n");
aprint_naive("\n");
sc->sc_sdhc.sc_host = sc->sc_hosts;
/* base clock frequency in kHz */
perclk = imx51_get_clock(IMX51CLK_PERCLK_ROOT);
sc->sc_sdhc.sc_clkbase = perclk / 1000;
sc->sc_sdhc.sc_flags |= SDHC_FLAG_HAVE_DVS |
SDHC_FLAG_NO_PWR0 |
SDHC_FLAG_32BIT_ACCESS |
SDHC_FLAG_ENHANCED;
sc->sc_ih = intr_establish(aa->aa_irq, IPL_SDMMC, IST_LEVEL,
sdhc_intr, &sc->sc_sdhc);
if (sc->sc_ih == NULL) {
aprint_error_dev(self, "can't establish interrupt\n");
return;
}
if (sdhc_host_found(&sc->sc_sdhc, iot, ioh, ESDHC_SIZE)) {
aprint_error_dev(self, "can't initialize host\n");
return;
}
if (!pmf_device_register1(self, sdhc_suspend, sdhc_resume,
sdhc_shutdown)) {
aprint_error_dev(self,
"can't establish power hook\n");
}
}

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@ -1,4 +1,4 @@
# $NetBSD: NETWALKER,v 1.11 2012/04/17 10:19:57 bsh Exp $
# $NetBSD: NETWALKER,v 1.12 2012/04/19 09:53:53 bsh Exp $
#
# NETWALKER -- http://www.sharp.co.jp/netwalker/
#
@ -194,6 +194,14 @@ imxgpio1 at axi? addr 0x73f88000
imxgpio2 at axi? addr 0x73f8c000
imxgpio3 at axi? addr 0x73f90000
# SD/MMC
sdhc0 at axi? addr 0x70004000 irq 1 # eSDHC1
#sdhc1 at axi? addr 0x70008000 irq 2 # eSDHC2
sdmmc* at sdhc?
ld* at sdmmc? # MMC/SD card
#options SDHC_DEBUG
#options SDMMC_DEBUG
# USB
imxusbc0 at axi? addr 0x73f80000
ehci0 at imxusbc0 unit 0 irq 18 # OTG