diff options
Diffstat (limited to 'drivers/ide/arm')
| -rw-r--r-- | drivers/ide/arm/Makefile | 1 | ||||
| -rw-r--r-- | drivers/ide/arm/bast-ide.c | 90 |
2 files changed, 91 insertions, 0 deletions
diff --git a/drivers/ide/arm/Makefile b/drivers/ide/arm/Makefile index 5bc26053afa6..936e7b0237f5 100644 --- a/drivers/ide/arm/Makefile +++ b/drivers/ide/arm/Makefile @@ -1,6 +1,7 @@ obj-$(CONFIG_BLK_DEV_IDE_ICSIDE) += icside.o obj-$(CONFIG_BLK_DEV_IDE_RAPIDE) += rapide.o +obj-$(CONFIG_BLK_DEV_IDE_BAST) += bast-ide.o obj-$(CONFIG_BLK_DEV_PALMCHIP_BK3710) += palm_bk3710.o ifeq ($(CONFIG_IDE_ARM), m) diff --git a/drivers/ide/arm/bast-ide.c b/drivers/ide/arm/bast-ide.c new file mode 100644 index 000000000000..8e8c28104b45 --- /dev/null +++ b/drivers/ide/arm/bast-ide.c @@ -0,0 +1,90 @@ +/* + * 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> + +#define DRV_NAME "bast-ide" + +static int __init bastide_register(unsigned int base, unsigned int aux, int irq) +{ + ide_hwif_t *hwif; + hw_regs_t hw; + int i; + u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; + + memset(&hw, 0, sizeof(hw)); + + base += BAST_IDE_CS; + aux += BAST_IDE_CS; + + for (i = 0; i <= 7; i++) { + hw.io_ports_array[i] = (unsigned long)base; + base += 0x20; + } + + hw.io_ports.ctl_addr = aux + (6 * 0x20); + hw.irq = irq; + hw.chipset = ide_generic; + + hwif = ide_find_port(); + if (hwif == NULL) + goto out; + + i = hwif->index; + + ide_init_port_data(hwif, i); + ide_init_port_hw(hwif, &hw); + hwif->port_ops = NULL; + + idx[0] = i; + + ide_device_add(idx, NULL); +out: + return 0; +} + +static int __init bastide_init(void) +{ + unsigned long base = BAST_VA_IDEPRI + BAST_IDE_CS; + + /* 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"); + + if (!request_mem_region(base, 0x400000, DRV_NAME)) { + printk(KERN_ERR "%s: resources busy\n", DRV_NAME); + return -EBUSY; + } + + bastide_register(BAST_VA_IDEPRI, BAST_VA_IDEPRIAUX, IRQ_IDE0); + bastide_register(BAST_VA_IDESEC, BAST_VA_IDESECAUX, IRQ_IDE1); + + 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"); |