linux/arch/arm/plat-samsung/dev-hsmmc.c

80 lines
2.0 KiB
C

/* linux/arch/arm/plat-s3c/dev-hsmmc.c
*
* Copyright (c) 2008 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* http://armlinux.simtec.co.uk/
*
* S3C series device definition for hsmmc devices
*
* 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.
*/
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/mmc/host.h>
#include <mach/map.h>
#include <plat/sdhci.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#define S3C_SZ_HSMMC (0x1000)
static struct resource s3c_hsmmc_resource[] = {
[0] = {
.start = S3C_PA_HSMMC0,
.end = S3C_PA_HSMMC0 + S3C_SZ_HSMMC - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_HSMMC0,
.end = IRQ_HSMMC0,
.flags = IORESOURCE_IRQ,
}
};
static u64 s3c_device_hsmmc_dmamask = 0xffffffffUL;
struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata = {
.max_width = 4,
.host_caps = (MMC_CAP_4_BIT_DATA |
MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
.clk_type = S3C_SDHCI_CLK_DIV_INTERNAL,
};
struct platform_device s3c_device_hsmmc0 = {
.name = "s3c-sdhci",
.id = 0,
.num_resources = ARRAY_SIZE(s3c_hsmmc_resource),
.resource = s3c_hsmmc_resource,
.dev = {
.dma_mask = &s3c_device_hsmmc_dmamask,
.coherent_dma_mask = 0xffffffffUL,
.platform_data = &s3c_hsmmc0_def_platdata,
},
};
void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd)
{
struct s3c_sdhci_platdata *set = &s3c_hsmmc0_def_platdata;
set->cd_type = pd->cd_type;
set->ext_cd_init = pd->ext_cd_init;
set->ext_cd_cleanup = pd->ext_cd_cleanup;
set->ext_cd_gpio = pd->ext_cd_gpio;
set->ext_cd_gpio_invert = pd->ext_cd_gpio_invert;
if (pd->max_width)
set->max_width = pd->max_width;
if (pd->cfg_gpio)
set->cfg_gpio = pd->cfg_gpio;
if (pd->cfg_card)
set->cfg_card = pd->cfg_card;
if (pd->host_caps)
set->host_caps |= pd->host_caps;
if (pd->clk_type)
set->clk_type = pd->clk_type;
}