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Revision 1.1.1.1 (vendor branch), Tue Mar 4 16:09:35 2008 UTC (16 years, 2 months ago) by nbrk
Branch: OPENBSD_4_2_BASE, MAIN
CVS Tags: jornada-partial-support-wip, HEAD
Changes since 1.1: +0 -0 lines 

Import of OpenBSD 4.2 release kernel tree with initial code to support 
Jornada 720/728, StrongARM 1110-based handheld PC.
At this point kernel roots on NFS and boots into vfs_mountroot() and traps.
What is supported:
- glass console, Jornada framebuffer (jfb) works in 16bpp direct color mode
(needs some palette tweaks for non black/white/blue colors, i think)
- saic, SA11x0 interrupt controller (needs cleanup)
- sacom, SA11x0 UART (supported only as boot console for now)
- SA11x0 GPIO controller fully supported (but can't handle multiple interrupt
handlers on one gpio pin)
- sassp, SSP port on SA11x0 that attaches spibus
- Jornada microcontroller (jmcu) to control kbd, battery, etc throught
the SPI bus (wskbd attaches on jmcu, but not tested)
- tod functions seem work
- initial code for SA-1111 (chip companion) : this is TODO

Next important steps, i think:
- gpio and intc on sa1111
- pcmcia support for sa11x0 (and sa1111 help logic)
- REAL root on nfs when we have PCMCIA support (we may use any of supported pccard NICs)
- root on wd0! (using already supported PCMCIA-ATA)

/*	$Id: spivar.h,v 1.1.1.1 2008/03/04 16:09:35 nbrk Exp $	*/
#ifndef _DEV_SPIVAR_H_
#define _DEV_SPIVAR_H_

/*
 * SPI bus interface.
 */

struct spi_bus {
	void	*bus_cookie;

	uint32_t	bus_speed;
	int	(*bus_shift_1)(void *, uint8_t);
#if 0
	uint16_t	(*bus_shift_2)(void *, uint16_t);
	uint32_t	(*bus_shift_4)(void *, uint32_t);
#endif

	int	(*bus_acquire)(void *);
	void	(*bus_release)(void *);
};

/*
 * Methods.
 */
int		spi_shift_1(void *, uint8_t);
uint16_t	spi_shift_2(void *, uint16_t);
uint32_t	spi_shift_4(void *, uint32_t);
int	spi_acquire(void *);
void	spi_release(void *);
 
/*
 * Attachment.
 */
struct spibus_attach_args {
	void	*sba_spisc;
	struct spi_bus	*sba_bus;
};

int	spibus_print(void *, const char *);

#endif /* !_DEV_SPIVAR_H_ */