diff options
Diffstat (limited to 'sys/arch/sgi')
| -rw-r--r-- | sys/arch/sgi/hpc/hpc.c | 5 | ||||
| -rw-r--r-- | sys/arch/sgi/include/autoconf.h | 3 | ||||
| -rw-r--r-- | sys/arch/sgi/sgi/ip22.h | 4 | ||||
| -rw-r--r-- | sys/arch/sgi/sgi/ip22_machdep.c | 40 | ||||
| -rw-r--r-- | sys/arch/sgi/sgi/ip27_machdep.c | 12 | ||||
| -rw-r--r-- | sys/arch/sgi/sgi/ip30_machdep.c | 11 | ||||
| -rw-r--r-- | sys/arch/sgi/sgi/machdep.c | 6 | ||||
| -rw-r--r-- | sys/arch/sgi/sgi/mainbus.c | 5 |
8 files changed, 74 insertions, 12 deletions
diff --git a/sys/arch/sgi/hpc/hpc.c b/sys/arch/sgi/hpc/hpc.c index ca2c31c06ed..9656b8672a4 100644 --- a/sys/arch/sgi/hpc/hpc.c +++ b/sys/arch/sgi/hpc/hpc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: hpc.c,v 1.1 2012/03/28 20:44:23 miod Exp $ */ +/* $OpenBSD: hpc.c,v 1.2 2012/04/03 21:17:35 miod Exp $ */ /* $NetBSD: hpc.c,v 1.66 2011/07/01 18:53:46 dyoung Exp $ */ /* $NetBSD: ioc.c,v 1.9 2011/07/01 18:53:47 dyoung Exp $ */ @@ -486,6 +486,9 @@ hpc_attach(struct device *parent, struct device *self, void *aux) return; } + if (hpctype != 3) + hpc_old = 1; + /* force big-endian mode */ if (hpctype == 15) bus_space_write_4(sc->sc_ct, sc->sc_ch, HPC1_BIGENDIAN, 0); diff --git a/sys/arch/sgi/include/autoconf.h b/sys/arch/sgi/include/autoconf.h index d3db14d94e5..f6317ad7c9b 100644 --- a/sys/arch/sgi/include/autoconf.h +++ b/sys/arch/sgi/include/autoconf.h @@ -1,4 +1,4 @@ -/* $OpenBSD: autoconf.h,v 1.33 2012/03/28 20:44:23 miod Exp $ */ +/* $OpenBSD: autoconf.h,v 1.34 2012/04/03 21:17:35 miod Exp $ */ /* * Copyright (c) 2001-2003 Opsycon AB (www.opsycon.se / www.opsycon.com) @@ -94,6 +94,7 @@ void dksc_device_register(struct device *, void *); extern void (*_device_register)(struct device *, void *); void ip22_setup(void); +void ip22_post_autoconf(void); void ip27_setup(void); void ip27_autoconf(struct device *); void ip30_setup(void); diff --git a/sys/arch/sgi/sgi/ip22.h b/sys/arch/sgi/sgi/ip22.h index 9fd00054f77..c85023486fb 100644 --- a/sys/arch/sgi/sgi/ip22.h +++ b/sys/arch/sgi/sgi/ip22.h @@ -1,4 +1,4 @@ -/* $OpenBSD: ip22.h,v 1.1 2012/03/28 20:44:23 miod Exp $ */ +/* $OpenBSD: ip22.h,v 1.2 2012/04/03 21:17:35 miod Exp $ */ /* * Copyright (c) 2012 Miodrag Vallat. @@ -30,3 +30,5 @@ #define INTPRI_BUSERR (INTPRI_CLOCK + 1) #define INTPRI_L1 (INTPRI_BUSERR + 1) #define INTPRI_L0 (INTPRI_L1 + 1) + +extern int hpc_old; /* nonzero if at least one HPC 1.x device found */ diff --git a/sys/arch/sgi/sgi/ip22_machdep.c b/sys/arch/sgi/sgi/ip22_machdep.c index dbe7ccbd330..4f187362c3c 100644 --- a/sys/arch/sgi/sgi/ip22_machdep.c +++ b/sys/arch/sgi/sgi/ip22_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ip22_machdep.c,v 1.1 2012/03/28 20:44:23 miod Exp $ */ +/* $OpenBSD: ip22_machdep.c,v 1.2 2012/04/03 21:17:35 miod Exp $ */ /* * Copyright (c) 2012 Miodrag Vallat. @@ -30,6 +30,8 @@ #include <mips64/arcbios.h> #include <mips64/archtype.h> +#include <uvm/uvm.h> + #include <sgi/sgi/ip22.h> #include <sgi/localbus/imcreg.h> #include <sgi/localbus/imcvar.h> @@ -38,6 +40,8 @@ extern char *hw_prod; +int hpc_old = 0; + void ip22_arcbios_walk(void); int ip22_arcbios_walk_component(arc_config_t *); void ip22_memory_setup(void); @@ -269,9 +273,43 @@ ip22_setup() ip22_memory_setup(); /* + * Register DMA-reachable memory constraints. + * hpc(4) revision 1 and 1.5 only use 28-bit address pointers, thus + * only 256MB are addressable; unfortunately, since physical memory + * starts at 128MB, this enforces a 128MB limit. + * + * The following logic is pessimistic, as IP24 (Indy) systems have + * a revision 3 hpc(4) onboard, but will accept older revisions in + * expansion boards. + */ + switch (sys_config.system_type) { + default: + dma_constraint.ucr_low = 0; + dma_constraint.ucr_high = (1UL << 32) - 1; + if (sys_config.system_subtype == IP22_INDIGO2) + break; + /* FALLTHROUGH */ + case SGI_IP20: + dma_constraint.ucr_low = 0; + dma_constraint.ucr_high = (1UL << 28) - 1; + break; + } + + /* * Scan ARCBios component list for L2 cache information. */ ip22_arcbios_walk(); _device_register = arcs_device_register; } + +void +ip22_post_autoconf() +{ + /* + * Relax DMA-reachable memory constraints if no 28-bit hpc(4) + * device has attached. + */ + if (hpc_old == 0) + dma_constraint.ucr_high = (1UL << 32) - 1; +} diff --git a/sys/arch/sgi/sgi/ip27_machdep.c b/sys/arch/sgi/sgi/ip27_machdep.c index ec256704296..c59608804a6 100644 --- a/sys/arch/sgi/sgi/ip27_machdep.c +++ b/sys/arch/sgi/sgi/ip27_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ip27_machdep.c,v 1.54 2012/03/15 18:57:22 miod Exp $ */ +/* $OpenBSD: ip27_machdep.c,v 1.55 2012/04/03 21:17:35 miod Exp $ */ /* * Copyright (c) 2008, 2009 Miodrag Vallat. @@ -39,7 +39,7 @@ #include <machine/mnode.h> #include <machine/atomic.h> -#include <uvm/uvm_extern.h> +#include <uvm/uvm.h> #include <sgi/sgi/ip27.h> #include <sgi/sgi/l1.h> @@ -174,6 +174,14 @@ ip27_setup() } } + /* + * Register DMA-reachable memory constraints. + * The xbridge(4) is limited to a 31-bit region (its IOMMU features + * are too restricted to be of use). + */ + dma_constraint.ucr_low = 0; + dma_constraint.ucr_high = (1UL << 31) - 1; + xbow_widget_base = ip27_widget_short; xbow_widget_map = ip27_widget_map; xbow_widget_id = ip27_widget_id_early; diff --git a/sys/arch/sgi/sgi/ip30_machdep.c b/sys/arch/sgi/sgi/ip30_machdep.c index c5077d31438..d21d4526267 100644 --- a/sys/arch/sgi/sgi/ip30_machdep.c +++ b/sys/arch/sgi/sgi/ip30_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ip30_machdep.c,v 1.51 2012/03/28 20:44:23 miod Exp $ */ +/* $OpenBSD: ip30_machdep.c,v 1.52 2012/04/03 21:17:35 miod Exp $ */ /* * Copyright (c) 2008, 2009 Miodrag Vallat. @@ -35,7 +35,7 @@ #include <machine/cpu.h> #include <machine/memconf.h> -#include <uvm/uvm_extern.h> +#include <uvm/uvm.h> #include <sgi/sgi/ip30.h> #include <sgi/xbow/widget.h> @@ -136,6 +136,13 @@ ip30_setup() } } + /* + * Register DMA-reachable memory constraints. + * The xbridge(4) is limited to a 31-bit region (its IOMMU features + * are too restricted to be of use). + */ + dma_constraint.ucr_low = 0; + dma_constraint.ucr_high = (1UL << 31) - 1; xbow_widget_base = ip30_widget_short; xbow_widget_map = ip30_widget_map; diff --git a/sys/arch/sgi/sgi/machdep.c b/sys/arch/sgi/sgi/machdep.c index 52405982621..1a991d22da8 100644 --- a/sys/arch/sgi/sgi/machdep.c +++ b/sys/arch/sgi/sgi/machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: machdep.c,v 1.115 2012/03/28 20:44:23 miod Exp $ */ +/* $OpenBSD: machdep.c,v 1.116 2012/04/03 21:17:35 miod Exp $ */ /* * Copyright (c) 2003-2004 Opsycon AB (www.opsycon.se / www.opsycon.com) @@ -84,8 +84,8 @@ void dump_tlb(void); char machine[] = MACHINE; /* Machine "architecture" */ char cpu_model[30]; -/* low 32 bits range. */ -struct uvm_constraint_range dma_constraint = { 0x0, 0x7fffffff }; +/* will be updated in ipXX_machdep.c whenever necessary */ +struct uvm_constraint_range dma_constraint = { 0x0, (paddr_t)-1 }; struct uvm_constraint_range *uvm_md_constraints[] = { &dma_constraint, NULL diff --git a/sys/arch/sgi/sgi/mainbus.c b/sys/arch/sgi/sgi/mainbus.c index 018bbd372a4..0cb5fe14e57 100644 --- a/sys/arch/sgi/sgi/mainbus.c +++ b/sys/arch/sgi/sgi/mainbus.c @@ -1,4 +1,4 @@ -/* $OpenBSD: mainbus.c,v 1.9 2012/03/28 20:44:23 miod Exp $ */ +/* $OpenBSD: mainbus.c,v 1.10 2012/04/03 21:17:35 miod Exp $ */ /* * Copyright (c) 2001-2003 Opsycon AB (www.opsycon.se / www.opsycon.com) @@ -114,6 +114,9 @@ mbattach(struct device *parent, struct device *self, void *aux) /* Memory Controller */ caa.caa_maa.maa_name = "imc"; config_found(self, &caa.caa_maa, mbprint); + + ip22_post_autoconf(); + break; #endif #ifdef TGT_O2 |