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-rw-r--r--arch/m68k/amiga/platform.c255
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 0000000000..d34029d7b0
--- /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);