diff options
author | Ben Dooks <ben-linux@fluff.org> | 2008-08-08 21:10:12 +0100 |
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committer | Ben Dooks <ben-linux@fluff.org> | 2008-08-08 21:10:12 +0100 |
commit | af7a535688a758d15f06a98833e6a143b29af9de (patch) | |
tree | bac5ab210bbbbe276f0e44ed84194d7c8bb16aae /arch/arm/mach-sa1100/include/mach/ide.h | |
parent | 0c17e4ceedd35c78b1c7413dbd16279a350be6bc (diff) | |
parent | c41107c2d4fd31924533f4dbc4c3428acc2b5894 (diff) |
Merge http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm into for-rmk
Diffstat (limited to 'arch/arm/mach-sa1100/include/mach/ide.h')
-rw-r--r-- | arch/arm/mach-sa1100/include/mach/ide.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/include/mach/ide.h b/arch/arm/mach-sa1100/include/mach/ide.h new file mode 100644 index 00000000000..4c99c8f5e61 --- /dev/null +++ b/arch/arm/mach-sa1100/include/mach/ide.h @@ -0,0 +1,75 @@ +/* + * arch/arm/mach-sa1100/include/mach/ide.h + * + * Copyright (c) 1998 Hugo Fiennes & Nicolas Pitre + * + * 18-aug-2000: Cleanup by Erik Mouw (J.A.K.Mouw@its.tudelft.nl) + * Get rid of the special ide_init_hwif_ports() functions + * and make a generalised function that can be used by all + * architectures. + */ + +#include <asm/irq.h> +#include <mach/hardware.h> +#include <asm/mach-types.h> + +#error "This code is broken and needs update to match with current ide support" + + +/* + * Set up a hw structure for a specified data port, control port and IRQ. + * This should follow whatever the default interface uses. + */ +static inline void ide_init_hwif_ports(hw_regs_t *hw, unsigned long data_port, + unsigned long ctrl_port, int *irq) +{ + unsigned long reg = data_port; + int i; + int regincr = 1; + + /* The Empeg board has the first two address lines unused */ + if (machine_is_empeg()) + regincr = 1 << 2; + + /* The LART doesn't use A0 for IDE */ + if (machine_is_lart()) + regincr = 1 << 1; + + memset(hw, 0, sizeof(*hw)); + + for (i = 0; i <= 7; i++) { + hw->io_ports_array[i] = reg; + reg += regincr; + } + + hw->io_ports.ctl_addr = ctrl_port; + + if (irq) + *irq = 0; +} + +/* + * This registers the standard ports for this architecture with the IDE + * driver. + */ +static __inline__ void +ide_init_default_hwifs(void) +{ + if (machine_is_lart()) { +#ifdef CONFIG_SA1100_LART + hw_regs_t hw; + + /* Enable GPIO as interrupt line */ + GPDR &= ~LART_GPIO_IDE; + set_irq_type(LART_IRQ_IDE, IRQ_TYPE_EDGE_RISING); + + /* set PCMCIA interface timing */ + MECR = 0x00060006; + + /* init the interface */ + ide_init_hwif_ports(&hw, PCMCIA_IO_0_BASE + 0x0000, PCMCIA_IO_0_BASE + 0x1000, NULL); + hw.irq = LART_IRQ_IDE; + ide_register_hw(&hw); +#endif + } +} |