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Print "NetBSD/cobalt Starting up... " to LCD panel on boot, and also

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print "NetBSD/cobalt Shutting donw..." on halt via shutdown hook.
This would be useful for users who don't have serial console.

No objection on port-cobalt.
This commit is contained in:
tsutsui 2008-03-04 14:40:16 +00:00
parent e42e7941c2
commit 50698ab6af
1 changed files with 45 additions and 5 deletions
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50
sys/arch/cobalt/dev/panel.c
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@ -1,4 +1,4 @@
/* $NetBSD: panel.c,v 1.15 2008/03/01 14:16:49 rmind Exp $ */
/* $NetBSD: panel.c,v 1.16 2008/03/04 14:40:16 tsutsui Exp $ */
/*
* Copyright (c) 2002 Dennis I. Chernoivanov
@ -28,7 +28,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: panel.c,v 1.15 2008/03/01 14:16:49 rmind Exp $");
__KERNEL_RCSID(0, "$NetBSD: panel.c,v 1.16 2008/03/04 14:40:16 tsutsui Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -54,6 +54,9 @@ __KERNEL_RCSID(0, "$NetBSD: panel.c,v 1.15 2008/03/01 14:16:49 rmind Exp $");
#define PANEL_POLLRATE (hz / 10)
#define PANEL_REGION 0x20
#define DATA_OFFSET 0x10
#define PANEL_COLS 16
#define PANEL_VCOLS 40
#define PANEL_ROWS 2
struct panel_softc {
struct device sc_dev;
@ -65,8 +68,22 @@ struct panel_softc {
struct callout sc_callout;
};
struct lcd_message {
const char firstcol[PANEL_VCOLS];
const char secondcol[PANEL_VCOLS];
};
static const struct lcd_message startup_message = {
"NetBSD/cobalt ",
"Starting up... "
};
static const struct lcd_message shutdown_message = {
"NetBSD/cobalt ",
"Shutting down..."
};
static int panel_match(struct device *, struct cfdata *, void *);
static void panel_attach(struct device *, struct device *, void *);
static void panel_shutdown(void *);
static void panel_soft(void *);
@ -102,7 +119,7 @@ panel_attach(struct device *parent, struct device *self, void *aux)
{
struct panel_softc *sc = (void *)self;
struct mainbus_attach_args *maa = aux;
struct hd44780_io io;
static struct lcdkp_xlate keys[] = {
{ 0xfa, 'h' },
{ 0xf6, 'k' },
@ -122,8 +139,8 @@ panel_attach(struct device *parent, struct device *self, void *aux)
1, &sc->sc_lcd.sc_iodr);
sc->sc_lcd.sc_dev_ok = 1;
sc->sc_lcd.sc_cols = 16;
sc->sc_lcd.sc_vcols = 40;
sc->sc_lcd.sc_cols = PANEL_COLS;
sc->sc_lcd.sc_vcols = PANEL_VCOLS;
sc->sc_lcd.sc_flags = HD_8BIT | HD_MULTILINE | HD_KEYPAD;
sc->sc_lcd.sc_writereg = panel_cbt_hdwritereg;
@ -132,6 +149,15 @@ panel_attach(struct device *parent, struct device *self, void *aux)
hd44780_attach_subr(&sc->sc_lcd);
/* Hello World */
io.dat = 0;
io.len = PANEL_VCOLS * PANEL_ROWS;
memcpy(io.buf, &startup_message, io.len);
hd44780_ddram_io(&sc->sc_lcd, sc->sc_lcd.sc_curchip, &io,
HD_DDRAM_WRITE);
shutdownhook_establish(panel_shutdown, sc);
sc->sc_kp.sc_iot = maa->ma_iot;
sc->sc_kp.sc_ioh = MIPS_PHYS_TO_KSEG1(0x1d000000); /* XXX */
@ -147,6 +173,20 @@ panel_attach(struct device *parent, struct device *self, void *aux)
printf("\n");
}
static void
panel_shutdown(void *arg)
{
struct panel_softc *sc = arg;
struct hd44780_io io;
/* Goodbye World */
io.dat = 0;
io.len = PANEL_VCOLS * PANEL_ROWS;
memcpy(io.buf, &shutdown_message, io.len);
hd44780_ddram_io(&sc->sc_lcd, sc->sc_lcd.sc_curchip, &io,
HD_DDRAM_WRITE);
}
static uint8_t
panel_cbt_kprread(bus_space_tag_t iot, bus_space_handle_t ioh)
{