kernel_optimize_test/arch/arm/plat-samsung/dev-hsmmc2.c
Kyungmin Park 944645c33e s5pc110: SDHCI-s3c can override host capabilities
Each board can override the default sdhci host capabilities.
Some board has broken features by hardwares and support 8-bit bandwidth.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-20 09:34:55 -07:00

77 lines
1.9 KiB
C

/* linux/arch/arm/plat-s3c/dev-hsmmc2.c
*
* Copyright (c) 2009 Samsung Electronics
* Copyright (c) 2009 Maurus Cuelenaere
*
* Based on arch/arm/plat-s3c/dev-hsmmc1.c
* original file Copyright (c) 2008 Simtec Electronics
*
* S3C series device definition for hsmmc device 2
*
* 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>
#define S3C_SZ_HSMMC (0x1000)
static struct resource s3c_hsmmc2_resource[] = {
[0] = {
.start = S3C_PA_HSMMC2,
.end = S3C_PA_HSMMC2 + S3C_SZ_HSMMC - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_HSMMC2,
.end = IRQ_HSMMC2,
.flags = IORESOURCE_IRQ,
}
};
static u64 s3c_device_hsmmc2_dmamask = 0xffffffffUL;
struct s3c_sdhci_platdata s3c_hsmmc2_def_platdata = {
.max_width = 4,
.host_caps = (MMC_CAP_4_BIT_DATA |
MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
};
struct platform_device s3c_device_hsmmc2 = {
.name = "s3c-sdhci",
.id = 2,
.num_resources = ARRAY_SIZE(s3c_hsmmc2_resource),
.resource = s3c_hsmmc2_resource,
.dev = {
.dma_mask = &s3c_device_hsmmc2_dmamask,
.coherent_dma_mask = 0xffffffffUL,
.platform_data = &s3c_hsmmc2_def_platdata,
},
};
void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd)
{
struct s3c_sdhci_platdata *set = &s3c_hsmmc2_def_platdata;
set->max_width = pd->max_width;
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->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;
}