forked from Minki/linux
60c15358f6
add GPMI-NAND support for imx23 and imx28. Signed-off-by: Huang Shijie <b32955@freescale.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
/*
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* Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <asm/sizes.h>
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#include <mach/mx23.h>
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#include <mach/mx28.h>
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#include <mach/devices-common.h>
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#include <linux/dma-mapping.h>
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#ifdef CONFIG_SOC_IMX23
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const struct mxs_gpmi_nand_data mx23_gpmi_nand_data __initconst = {
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.devid = "imx23-gpmi-nand",
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.res = {
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/* GPMI */
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DEFINE_RES_MEM_NAMED(MX23_GPMI_BASE_ADDR, SZ_8K,
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GPMI_NAND_GPMI_REGS_ADDR_RES_NAME),
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DEFINE_RES_IRQ_NAMED(MX23_INT_GPMI_ATTENTION,
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GPMI_NAND_GPMI_INTERRUPT_RES_NAME),
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/* BCH */
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DEFINE_RES_MEM_NAMED(MX23_BCH_BASE_ADDR, SZ_8K,
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GPMI_NAND_BCH_REGS_ADDR_RES_NAME),
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DEFINE_RES_IRQ_NAMED(MX23_INT_BCH,
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GPMI_NAND_BCH_INTERRUPT_RES_NAME),
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/* DMA */
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DEFINE_RES_NAMED(MX23_DMA_GPMI0,
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MX23_DMA_GPMI3 - MX23_DMA_GPMI0 + 1,
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GPMI_NAND_DMA_CHANNELS_RES_NAME,
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IORESOURCE_DMA),
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DEFINE_RES_IRQ_NAMED(MX23_INT_GPMI_DMA,
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GPMI_NAND_DMA_INTERRUPT_RES_NAME),
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},
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};
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#endif
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#ifdef CONFIG_SOC_IMX28
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const struct mxs_gpmi_nand_data mx28_gpmi_nand_data __initconst = {
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.devid = "imx28-gpmi-nand",
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.res = {
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/* GPMI */
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DEFINE_RES_MEM_NAMED(MX28_GPMI_BASE_ADDR, SZ_8K,
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GPMI_NAND_GPMI_REGS_ADDR_RES_NAME),
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DEFINE_RES_IRQ_NAMED(MX28_INT_GPMI,
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GPMI_NAND_GPMI_INTERRUPT_RES_NAME),
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/* BCH */
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DEFINE_RES_MEM_NAMED(MX28_BCH_BASE_ADDR, SZ_8K,
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GPMI_NAND_BCH_REGS_ADDR_RES_NAME),
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DEFINE_RES_IRQ_NAMED(MX28_INT_BCH,
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GPMI_NAND_BCH_INTERRUPT_RES_NAME),
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/* DMA */
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DEFINE_RES_NAMED(MX28_DMA_GPMI0,
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MX28_DMA_GPMI7 - MX28_DMA_GPMI0 + 1,
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GPMI_NAND_DMA_CHANNELS_RES_NAME,
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IORESOURCE_DMA),
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DEFINE_RES_IRQ_NAMED(MX28_INT_GPMI_DMA,
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GPMI_NAND_DMA_INTERRUPT_RES_NAME),
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},
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};
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#endif
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struct platform_device *__init
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mxs_add_gpmi_nand(const struct gpmi_nand_platform_data *pdata,
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const struct mxs_gpmi_nand_data *data)
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{
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return mxs_add_platform_device_dmamask(data->devid, -1,
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data->res, GPMI_NAND_RES_SIZE,
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pdata, sizeof(*pdata), DMA_BIT_MASK(32));
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}
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