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/********************************************************************************
* File Name : linux/arch/arm/plat-aspeed/dev-sdhc.c
* Author : Ryan chen
* Description : ASPEED SDHC Device
*
* Copyright (C) ASPEED Technology Inc.
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by the Free Software Foundation;
* either version 2 of the License, or (at your option) any later version.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* History :
* 1. 2012/07/30 ryan chen create this file
*
********************************************************************************/
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/platform_device.h>
#include <mach/irqs.h>
#include <mach/platform.h>
#include <plat/devs.h>
#include <plat/ast_sdhci.h>
#include <plat/ast-scu.h>
/* --------------------------------------------------------------------
* SDHC
* -------------------------------------------------------------------- */
#if defined(CONFIG_MMC_AST) || defined(CONFIG_MMC_AST_MODULE)
static struct ast_sdhc_platform_data ast_sdhc_info = {
.sd_clock_src_get = ast_get_sd_clock_src,
};
static struct resource ast_sdhci0_resource[] = {
[0] = {
.start = AST_SDHC_BASE + 0x100,
.end = AST_SDHC_BASE + 0x100 + 0xFF,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_SDHC,
.end = IRQ_SDHC,
.flags = IORESOURCE_IRQ,
},
};
static struct resource ast_sdhci1_resource[] = {
[0] = {
.start = AST_SDHC_BASE + 0x200,
.end = AST_SDHC_BASE + 0x200 + 0xFF,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_SDHC,
.end = IRQ_SDHC,
.flags = IORESOURCE_IRQ,
},
};
static u64 ast_sdhc_dma_mask = 0xffffffffUL;
static struct platform_device ast_sdhci_device0 = {
.name = "ast_sdhci",
.id = 0,
.dev = {
.dma_mask = &ast_sdhc_dma_mask,
.coherent_dma_mask = 0xffffffff,
.platform_data = &ast_sdhc_info,
},
.resource = ast_sdhci0_resource,
.num_resources = ARRAY_SIZE(ast_sdhci0_resource),
};
static struct platform_device ast_sdhci_device1 = {
.name = "ast_sdhci",
.id = 1,
.dev = {
.dma_mask = &ast_sdhc_dma_mask,
.coherent_dma_mask = 0xffffffff,
.platform_data = &ast_sdhc_info,
},
.resource = ast_sdhci1_resource,
.num_resources = ARRAY_SIZE(ast_sdhci1_resource),
};
void __init ast_add_device_sdhci(void)
{
ast_scu_init_sdhci();
//multipin. Remind: AST2300FPGA only supports one port at a time
ast_scu_multi_func_sdhc_slot1(1);
platform_device_register(&ast_sdhci_device0);
ast_scu_multi_func_sdhc_slot2(1);
platform_device_register(&ast_sdhci_device1);
}
#else
void __init ast_add_device_sdhci(void) {}
#endif
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