diff options
Diffstat (limited to 'arch/arm/mach-imx/devices/platform-mxc-mmc.c')
-rw-r--r-- | arch/arm/mach-imx/devices/platform-mxc-mmc.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/devices/platform-mxc-mmc.c b/arch/arm/mach-imx/devices/platform-mxc-mmc.c new file mode 100644 index 000000000000..ce90ab0c22fc --- /dev/null +++ b/arch/arm/mach-imx/devices/platform-mxc-mmc.c @@ -0,0 +1,73 @@ +/* + * Copyright (C) 2010 Pengutronix + * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de> + * + * 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/dma-mapping.h> +#include <mach/hardware.h> +#include "devices-common.h" + +#define imx_mxc_mmc_data_entry_single(soc, _id, _hwid, _size) \ + { \ + .id = _id, \ + .iobase = soc ## _SDHC ## _hwid ## _BASE_ADDR, \ + .iosize = _size, \ + .irq = soc ## _INT_SDHC ## _hwid, \ + .dmareq = soc ## _DMA_REQ_SDHC ## _hwid, \ + } +#define imx_mxc_mmc_data_entry(soc, _id, _hwid, _size) \ + [_id] = imx_mxc_mmc_data_entry_single(soc, _id, _hwid, _size) + +#ifdef CONFIG_SOC_IMX21 +const struct imx_mxc_mmc_data imx21_mxc_mmc_data[] __initconst = { +#define imx21_mxc_mmc_data_entry(_id, _hwid) \ + imx_mxc_mmc_data_entry(MX21, _id, _hwid, SZ_4K) + imx21_mxc_mmc_data_entry(0, 1), + imx21_mxc_mmc_data_entry(1, 2), +}; +#endif /* ifdef CONFIG_SOC_IMX21 */ + +#ifdef CONFIG_SOC_IMX27 +const struct imx_mxc_mmc_data imx27_mxc_mmc_data[] __initconst = { +#define imx27_mxc_mmc_data_entry(_id, _hwid) \ + imx_mxc_mmc_data_entry(MX27, _id, _hwid, SZ_4K) + imx27_mxc_mmc_data_entry(0, 1), + imx27_mxc_mmc_data_entry(1, 2), +}; +#endif /* ifdef CONFIG_SOC_IMX27 */ + +#ifdef CONFIG_SOC_IMX31 +const struct imx_mxc_mmc_data imx31_mxc_mmc_data[] __initconst = { +#define imx31_mxc_mmc_data_entry(_id, _hwid) \ + imx_mxc_mmc_data_entry(MX31, _id, _hwid, SZ_16K) + imx31_mxc_mmc_data_entry(0, 1), + imx31_mxc_mmc_data_entry(1, 2), +}; +#endif /* ifdef CONFIG_SOC_IMX31 */ + +struct platform_device *__init imx_add_mxc_mmc( + const struct imx_mxc_mmc_data *data, + const struct imxmmc_platform_data *pdata) +{ + struct resource res[] = { + { + .start = data->iobase, + .end = data->iobase + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, { + .start = data->irq, + .end = data->irq, + .flags = IORESOURCE_IRQ, + }, { + .start = data->dmareq, + .end = data->dmareq, + .flags = IORESOURCE_DMA, + }, + }; + return imx_add_platform_device_dmamask("mxc-mmc", data->id, + res, ARRAY_SIZE(res), + pdata, sizeof(*pdata), DMA_BIT_MASK(32)); +} |