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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/arm/mach-imx/devices/platform-mxc-mmc.c | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-imx/devices/platform-mxc-mmc.c')
-rw-r--r-- | arch/arm/mach-imx/devices/platform-mxc-mmc.c | 75 |
1 files changed, 75 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 000000000..b8203c760 --- /dev/null +++ b/arch/arm/mach-imx/devices/platform-mxc-mmc.c @@ -0,0 +1,75 @@ +/* + * 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 "../hardware.h" +#include "devices-common.h" + +#define imx_mxc_mmc_data_entry_single(soc, _devid, _id, _hwid, _size) \ + { \ + .devid = _devid, \ + .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, _devid, _id, _hwid, _size) \ + [_id] = imx_mxc_mmc_data_entry_single(soc, _devid, _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, "imx21-mmc", _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, "imx21-mmc", _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, "imx31-mmc", _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 + data->iosize - 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(data->devid, data->id, + res, ARRAY_SIZE(res), + pdata, sizeof(*pdata), DMA_BIT_MASK(32)); +} |