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/*
* sdhci-dove.c Support for SDHCI on Marvell's Dove SoC
*
* Author: Saeed Bishara <saeed@marvell.com>
* Mike Rapoport <mike@compulab.co.il>
* Based on sdhci-cns3xxx.c
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/io.h>
#include <linux/mmc/host.h>
#include "sdhci.h"
#include "sdhci-pltfm.h"
static u16 sdhci_dove_readw(struct sdhci_host *host, int reg)
{
u16 ret;
switch (reg) {
case SDHCI_HOST_VERSION:
case SDHCI_SLOT_INT_STATUS:
/* those registers don't exist */
return 0;
default:
ret = readw(host->ioaddr + reg);
}
return ret;
}
static u32 sdhci_dove_readl(struct sdhci_host *host, int reg)
{
u32 ret;
switch (reg) {
case SDHCI_CAPABILITIES:
ret = readl(host->ioaddr + reg);
/* Mask the support for 3.0V */
ret &= ~SDHCI_CAN_VDD_300;
break;
default:
ret = readl(host->ioaddr + reg);
}
return ret;
}
static struct sdhci_ops sdhci_dove_ops = {
.read_w = sdhci_dove_readw,
.read_l = sdhci_dove_readl,
};
struct sdhci_pltfm_data sdhci_dove_pdata = {
.ops = &sdhci_dove_ops,
.quirks = SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER |
SDHCI_QUIRK_NO_BUSY_IRQ |
SDHCI_QUIRK_BROKEN_TIMEOUT_VAL |
SDHCI_QUIRK_FORCE_DMA,
};
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