Date: Sat, 26 Apr 2003 12:16:13 -0700 (PDT) From: Juli Mallett <jmallett@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 29807 for review Message-ID: <200304261916.h3QJGDe8020223@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=29807 Change 29807 by jmallett@jmallett_dalek on 2003/04/26 12:16:00 Stubbed out support for multiple models, IP22 in particular, as it's what I'm working on. Affected files ... .. //depot/projects/mips/sys/conf/options.mips#8 edit .. //depot/projects/mips/sys/mips/conf/GENERIC#11 edit .. //depot/projects/mips/sys/mips/sgimips/machdep_sgimips.c#7 edit Differences ... ==== //depot/projects/mips/sys/conf/options.mips#8 (text+ko) ==== @@ -1,6 +1,8 @@ # $FreeBSD$ # Options specific to the mips platform kernels +IP22 opt_model.h + R4000 opt_global.h R4400 opt_global.h R10000 opt_global.h ==== //depot/projects/mips/sys/mips/conf/GENERIC#11 (text+ko) ==== @@ -15,6 +15,7 @@ # Platform support platform sgimips #SGI MIPS systems. +options IP22 #IP22 (Indy, Indigo2, ...) # Hardware support device arcbios #ARCBIOS ==== //depot/projects/mips/sys/mips/sgimips/machdep_sgimips.c#7 (text+ko) ==== @@ -26,7 +26,7 @@ * $FreeBSD$ */ -#include <sys/types.h> +#include <sys/param.h> #include <sys/systm.h> #include <machine/cpufunc.h> @@ -37,6 +37,18 @@ #include <dev/arcbios/arcbios.h> #include <dev/arcbios/arcbiosvar.h> +#include "opt_model.h" + +static void ip22_init(void); + +struct machine_type { + const char *identifier; + void (*init)(void); +} machines[] = { + { "SGI-IP22", ip22_init }, + { NULL, NULL } +}; + void platform_halt(void) { @@ -52,6 +64,8 @@ void platform_start(int argc, char **argv) { + struct machine_type *mtp; + const char *cpufreq; /* * Initialise the ARCBIOS stuff. @@ -59,5 +73,31 @@ arcbios_init(MIPS_PHYS_TO_KSEG1(0x00001000)); arcbios_cnattach(); printf("See MIPS Run\n"); + + cpufreq = ARCBIOS->GetEnvironmentVariable("cpufreq"); + if (cpufreq == NULL) + panic("$cpufreq not set"); + + printf("%s at %sMHz\n", arcbios_system_identifier, cpufreq); + + for (mtp = machines; mtp->identifier != NULL; mtp++) { + if (strcmp(mtp->identifier, arcbios_system_identifier) == 0) + break; + } + if (mtp->identifier == NULL) + printf("Warning: unsupported system, nothing will work.\n"); + else + (*mtp->init)(); + cpu_reset(); } + +static void +ip22_init(void) +{ +#ifdef IP22 + ; +#else + printf("Warning: IP22 support not compiled in.\n"); +#endif +}
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