diff options
Diffstat (limited to 'arch/m68k/amiga/platform.c')
| -rw-r--r-- | arch/m68k/amiga/platform.c | 255 |
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); |