Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 75 insertions, 0 deletions

diff --git a/arch/arm/mach-imx/devices/platform-mxc_nand.c b/arch/arm/mach-imx/devices/platform-mxc_nand.c
new file mode 100644
index 000000000..676df4920
--- /dev/null
+++ b/arch/arm/mach-imx/devices/platform-mxc_nand.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2009-2010 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 <asm/sizes.h>
+
+#include "../hardware.h"
+#include "devices-common.h"
+
+#define imx_mxc_nand_data_entry_single(soc, _devid, _size)		\
+	{								\
+		.devid = _devid,					\
+		.iobase = soc ## _NFC_BASE_ADDR,			\
+		.iosize = _size,					\
+		.irq = soc ## _INT_NFC					\
+	}
+
+#define imx_mxc_nandv3_data_entry_single(soc, _devid, _size)		\
+	{								\
+		.devid = _devid,					\
+		.id = -1,						\
+		.iobase = soc ## _NFC_BASE_ADDR,			\
+		.iosize = _size,					\
+		.axibase = soc ## _NFC_AXI_BASE_ADDR,			\
+		.irq = soc ## _INT_NFC					\
+	}
+
+#ifdef CONFIG_SOC_IMX21
+const struct imx_mxc_nand_data imx21_mxc_nand_data __initconst =
+	imx_mxc_nand_data_entry_single(MX21, "imx21-nand", SZ_4K);
+#endif /* ifdef CONFIG_SOC_IMX21 */
+
+#ifdef CONFIG_SOC_IMX27
+const struct imx_mxc_nand_data imx27_mxc_nand_data __initconst =
+	imx_mxc_nand_data_entry_single(MX27, "imx27-nand", SZ_4K);
+#endif /* ifdef CONFIG_SOC_IMX27 */
+
+#ifdef CONFIG_SOC_IMX31
+const struct imx_mxc_nand_data imx31_mxc_nand_data __initconst =
+	imx_mxc_nand_data_entry_single(MX31, "imx27-nand", SZ_4K);
+#endif
+
+#ifdef CONFIG_SOC_IMX35
+const struct imx_mxc_nand_data imx35_mxc_nand_data __initconst =
+	imx_mxc_nand_data_entry_single(MX35, "imx25-nand", SZ_8K);
+#endif
+
+struct platform_device *__init imx_add_mxc_nand(
+		const struct imx_mxc_nand_data *data,
+		const struct mxc_nand_platform_data *pdata)
+{
+	/* AXI has to come first, that's how the mxc_nand driver expect it */
+	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->axibase,
+			.end = data->axibase + SZ_16K - 1,
+			.flags = IORESOURCE_MEM,
+		},
+	};
+	return imx_add_platform_device(data->devid, data->id,
+			res, ARRAY_SIZE(res) - !data->axibase,
+			pdata, sizeof(*pdata));
+}