diff options
Diffstat (limited to 'drivers/ide/arm/bast-ide.c')
-rw-r--r-- | drivers/ide/arm/bast-ide.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/drivers/ide/arm/bast-ide.c b/drivers/ide/arm/bast-ide.c new file mode 100644 index 00000000000..9d474e5fd8d --- /dev/null +++ b/drivers/ide/arm/bast-ide.c @@ -0,0 +1,71 @@ +/* linux/drivers/ide/arm/bast-ide.c + * + * Copyright (c) 2003-2004 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * 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/module.h> +#include <linux/errno.h> +#include <linux/ide.h> +#include <linux/init.h> + +#include <asm/mach-types.h> + +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/arch/map.h> +#include <asm/arch/bast-map.h> +#include <asm/arch/bast-irq.h> + +/* list of registered interfaces */ +static ide_hwif_t *ifs[2]; + +static int __init +bastide_register(unsigned int base, unsigned int aux, int irq, + ide_hwif_t **hwif) +{ + hw_regs_t hw; + int i; + + memset(&hw, 0, sizeof(hw)); + + base += BAST_IDE_CS; + aux += BAST_IDE_CS; + + for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) { + hw.io_ports[i] = (unsigned long)base; + base += 0x20; + } + + hw.io_ports[IDE_CONTROL_OFFSET] = aux + (6 * 0x20); + hw.irq = irq; + + ide_register_hw(&hw, hwif); + + return 0; +} + +static int __init bastide_init(void) +{ + /* we can treat the VR1000 and the BAST the same */ + + if (!(machine_is_bast() || machine_is_vr1000())) + return 0; + + printk("BAST: IDE driver, (c) 2003-2004 Simtec Electronics\n"); + + bastide_register(BAST_VA_IDEPRI, BAST_VA_IDEPRIAUX, IRQ_IDE0, &ifs[0]); + bastide_register(BAST_VA_IDESEC, BAST_VA_IDESECAUX, IRQ_IDE1, &ifs[1]); + return 0; +} + +module_init(bastide_init); + +MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Simtec BAST / Thorcom VR1000 IDE driver"); |