From 60c15358f603ca21e791d2cc17029b620c625258 Mon Sep 17 00:00:00 2001 From: Huang Shijie Date: Mon, 6 Feb 2012 13:08:21 +0800 Subject: ARM: mxs: add GPMI-NAND support for imx23/imx28 add GPMI-NAND support for imx23 and imx28. Signed-off-by: Huang Shijie Signed-off-by: Shawn Guo --- arch/arm/mach-mxs/devices/platform-gpmi-nand.c | 81 ++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) create mode 100644 arch/arm/mach-mxs/devices/platform-gpmi-nand.c (limited to 'arch/arm/mach-mxs/devices/platform-gpmi-nand.c') diff --git a/arch/arm/mach-mxs/devices/platform-gpmi-nand.c b/arch/arm/mach-mxs/devices/platform-gpmi-nand.c new file mode 100644 index 000000000000..3e22df5944a8 --- /dev/null +++ b/arch/arm/mach-mxs/devices/platform-gpmi-nand.c @@ -0,0 +1,81 @@ +/* + * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. + * + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ +#include +#include +#include +#include +#include + +#ifdef CONFIG_SOC_IMX23 +const struct mxs_gpmi_nand_data mx23_gpmi_nand_data __initconst = { + .devid = "imx23-gpmi-nand", + .res = { + /* GPMI */ + DEFINE_RES_MEM_NAMED(MX23_GPMI_BASE_ADDR, SZ_8K, + GPMI_NAND_GPMI_REGS_ADDR_RES_NAME), + DEFINE_RES_IRQ_NAMED(MX23_INT_GPMI_ATTENTION, + GPMI_NAND_GPMI_INTERRUPT_RES_NAME), + /* BCH */ + DEFINE_RES_MEM_NAMED(MX23_BCH_BASE_ADDR, SZ_8K, + GPMI_NAND_BCH_REGS_ADDR_RES_NAME), + DEFINE_RES_IRQ_NAMED(MX23_INT_BCH, + GPMI_NAND_BCH_INTERRUPT_RES_NAME), + /* DMA */ + DEFINE_RES_NAMED(MX23_DMA_GPMI0, + MX23_DMA_GPMI3 - MX23_DMA_GPMI0 + 1, + GPMI_NAND_DMA_CHANNELS_RES_NAME, + IORESOURCE_DMA), + DEFINE_RES_IRQ_NAMED(MX23_INT_GPMI_DMA, + GPMI_NAND_DMA_INTERRUPT_RES_NAME), + }, +}; +#endif + +#ifdef CONFIG_SOC_IMX28 +const struct mxs_gpmi_nand_data mx28_gpmi_nand_data __initconst = { + .devid = "imx28-gpmi-nand", + .res = { + /* GPMI */ + DEFINE_RES_MEM_NAMED(MX28_GPMI_BASE_ADDR, SZ_8K, + GPMI_NAND_GPMI_REGS_ADDR_RES_NAME), + DEFINE_RES_IRQ_NAMED(MX28_INT_GPMI, + GPMI_NAND_GPMI_INTERRUPT_RES_NAME), + /* BCH */ + DEFINE_RES_MEM_NAMED(MX28_BCH_BASE_ADDR, SZ_8K, + GPMI_NAND_BCH_REGS_ADDR_RES_NAME), + DEFINE_RES_IRQ_NAMED(MX28_INT_BCH, + GPMI_NAND_BCH_INTERRUPT_RES_NAME), + /* DMA */ + DEFINE_RES_NAMED(MX28_DMA_GPMI0, + MX28_DMA_GPMI7 - MX28_DMA_GPMI0 + 1, + GPMI_NAND_DMA_CHANNELS_RES_NAME, + IORESOURCE_DMA), + DEFINE_RES_IRQ_NAMED(MX28_INT_GPMI_DMA, + GPMI_NAND_DMA_INTERRUPT_RES_NAME), + }, +}; +#endif + +struct platform_device *__init +mxs_add_gpmi_nand(const struct gpmi_nand_platform_data *pdata, + const struct mxs_gpmi_nand_data *data) +{ + return mxs_add_platform_device_dmamask(data->devid, -1, + data->res, GPMI_NAND_RES_SIZE, + pdata, sizeof(*pdata), DMA_BIT_MASK(32)); +} -- cgit v1.2.1