Initial import

1 files changed, 255 insertions, 0 deletions

diff --git a/arch/m68k/amiga/platform.c b/arch/m68k/amiga/platform.c
new file mode 100644
index 000000000..d34029d7b
--- /dev/null
+++ b/arch/m68k/amiga/platform.c
@@ -0,0 +1,255 @@
+/*
+ *  Copyright (C) 2007-2009 Geert Uytterhoeven
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/zorro.h>
+
+#include <asm/amigahw.h>
+#include <asm/amigayle.h>
+#include <asm/byteorder.h>
+
+
+#ifdef CONFIG_ZORRO
+
+static const struct resource zorro_resources[] __initconst = {
+	/* Zorro II regions (on Zorro II/III) */
+	{
+		.name	= "Zorro II exp",
+		.start	= 0x00e80000,
+		.end	= 0x00efffff,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.name	= "Zorro II mem",
+		.start	= 0x00200000,
+		.end	= 0x009fffff,
+		.flags	= IORESOURCE_MEM,
+	},
+	/* Zorro III regions (on Zorro III only) */
+	{
+		.name	= "Zorro III exp",
+		.start	= 0xff000000,
+		.end	= 0xffffffff,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.name	= "Zorro III cfg",
+		.start	= 0x40000000,
+		.end	= 0x7fffffff,
+		.flags	= IORESOURCE_MEM,
+	}
+};
+
+
+static int __init amiga_init_bus(void)
+{
+	struct platform_device *pdev;
+	unsigned int n;
+
+	if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(ZORRO))
+		return -ENODEV;
+
+	n = AMIGAHW_PRESENT(ZORRO3) ? 4 : 2;
+	pdev = platform_device_register_simple("amiga-zorro", -1,
+					       zorro_resources, n);
+	return PTR_ERR_OR_ZERO(pdev);
+}
+
+subsys_initcall(amiga_init_bus);
+
+
+static int __init z_dev_present(zorro_id id)
+{
+	unsigned int i;
+
+	for (i = 0; i < zorro_num_autocon; i++) {
+		const struct ExpansionRom *rom = &zorro_autocon_init[i].rom;
+		if (be16_to_cpu(rom->er_Manufacturer) == ZORRO_MANUF(id) &&
+		    rom->er_Product == ZORRO_PROD(id))
+			return 1;
+	}
+
+	return 0;
+}
+
+#else /* !CONFIG_ZORRO */
+
+static inline int z_dev_present(zorro_id id) { return 0; }
+
+#endif /* !CONFIG_ZORRO */
+
+
+static const struct resource a3000_scsi_resource __initconst = {
+	.start	= 0xdd0000,
+	.end	= 0xdd00ff,
+	.flags	= IORESOURCE_MEM,
+};
+
+
+static const struct resource a4000t_scsi_resource __initconst = {
+	.start	= 0xdd0000,
+	.end	= 0xdd0fff,
+	.flags	= IORESOURCE_MEM,
+};
+
+
+static const struct resource a1200_ide_resource __initconst = {
+	.start	= 0xda0000,
+	.end	= 0xda1fff,
+	.flags	= IORESOURCE_MEM,
+};
+
+static const struct gayle_ide_platform_data a1200_ide_pdata __initconst = {
+	.base		= 0xda0000,
+	.irqport	= 0xda9000,
+	.explicit_ack	= 1,
+};
+
+
+static const struct resource a4000_ide_resource __initconst = {
+	.start	= 0xdd2000,
+	.end	= 0xdd3fff,
+	.flags	= IORESOURCE_MEM,
+};
+
+static const struct gayle_ide_platform_data a4000_ide_pdata __initconst = {
+	.base		= 0xdd2020,
+	.irqport	= 0xdd3020,
+	.explicit_ack	= 0,
+};
+
+
+static const struct resource amiga_rtc_resource __initconst = {
+	.start	= 0x00dc0000,
+	.end	= 0x00dcffff,
+	.flags	= IORESOURCE_MEM,
+};
+
+
+static int __init amiga_init_devices(void)
+{
+	struct platform_device *pdev;
+	int error;
+
+	if (!MACH_IS_AMIGA)
+		return -ENODEV;
+
+	/* video hardware */
+	if (AMIGAHW_PRESENT(AMI_VIDEO)) {
+		pdev = platform_device_register_simple("amiga-video", -1, NULL,
+						       0);
+		if (IS_ERR(pdev))
+			return PTR_ERR(pdev);
+	}
+
+
+	/* sound hardware */
+	if (AMIGAHW_PRESENT(AMI_AUDIO)) {
+		pdev = platform_device_register_simple("amiga-audio", -1, NULL,
+						       0);
+		if (IS_ERR(pdev))
+			return PTR_ERR(pdev);
+	}
+
+
+	/* storage interfaces */
+	if (AMIGAHW_PRESENT(AMI_FLOPPY)) {
+		pdev = platform_device_register_simple("amiga-floppy", -1,
+						       NULL, 0);
+		if (IS_ERR(pdev))
+			return PTR_ERR(pdev);
+	}
+
+	if (AMIGAHW_PRESENT(A3000_SCSI)) {
+		pdev = platform_device_register_simple("amiga-a3000-scsi", -1,
+						       &a3000_scsi_resource, 1);
+		if (IS_ERR(pdev))
+			return PTR_ERR(pdev);
+	}
+
+	if (AMIGAHW_PRESENT(A4000_SCSI)) {
+		pdev = platform_device_register_simple("amiga-a4000t-scsi", -1,
+						       &a4000t_scsi_resource,
+						       1);
+		if (IS_ERR(pdev))
+			return PTR_ERR(pdev);
+	}
+
+	if (AMIGAHW_PRESENT(A1200_IDE) ||
+	    z_dev_present(ZORRO_PROD_MTEC_VIPER_MK_V_E_MATRIX_530_SCSI_IDE)) {
+		pdev = platform_device_register_simple("amiga-gayle-ide", -1,
+						       &a1200_ide_resource, 1);
+		if (IS_ERR(pdev))
+			return PTR_ERR(pdev);
+		error = platform_device_add_data(pdev, &a1200_ide_pdata,
+						 sizeof(a1200_ide_pdata));
+		if (error)
+			return error;
+	}
+
+	if (AMIGAHW_PRESENT(A4000_IDE)) {
+		pdev = platform_device_register_simple("amiga-gayle-ide", -1,
+						       &a4000_ide_resource, 1);
+		if (IS_ERR(pdev))
+			return PTR_ERR(pdev);
+		error = platform_device_add_data(pdev, &a4000_ide_pdata,
+						 sizeof(a4000_ide_pdata));
+		if (error)
+			return error;
+	}
+
+
+	/* other I/O hardware */
+	if (AMIGAHW_PRESENT(AMI_KEYBOARD)) {
+		pdev = platform_device_register_simple("amiga-keyboard", -1,
+						       NULL, 0);
+		if (IS_ERR(pdev))
+			return PTR_ERR(pdev);
+	}
+
+	if (AMIGAHW_PRESENT(AMI_MOUSE)) {
+		pdev = platform_device_register_simple("amiga-mouse", -1, NULL,
+						       0);
+		if (IS_ERR(pdev))
+			return PTR_ERR(pdev);
+	}
+
+	if (AMIGAHW_PRESENT(AMI_SERIAL)) {
+		pdev = platform_device_register_simple("amiga-serial", -1,
+						       NULL, 0);
+		if (IS_ERR(pdev))
+			return PTR_ERR(pdev);
+	}
+
+	if (AMIGAHW_PRESENT(AMI_PARALLEL)) {
+		pdev = platform_device_register_simple("amiga-parallel", -1,
+						       NULL, 0);
+		if (IS_ERR(pdev))
+			return PTR_ERR(pdev);
+	}
+
+
+	/* real time clocks */
+	if (AMIGAHW_PRESENT(A2000_CLK)) {
+		pdev = platform_device_register_simple("rtc-msm6242", -1,
+						       &amiga_rtc_resource, 1);
+		if (IS_ERR(pdev))
+			return PTR_ERR(pdev);
+	}
+
+	if (AMIGAHW_PRESENT(A3000_CLK)) {
+		pdev = platform_device_register_simple("rtc-rp5c01", -1,
+						       &amiga_rtc_resource, 1);
+		if (IS_ERR(pdev))
+			return PTR_ERR(pdev);
+	}
+
+	return 0;
+}
+
+arch_initcall(amiga_init_devices);