diff options
Diffstat (limited to 'include/asm-mips/mach-ip27')
| -rw-r--r-- | include/asm-mips/mach-ip27/cpu-feature-overrides.h | 39 | ||||
| -rw-r--r-- | include/asm-mips/mach-ip27/irq.h | 22 | ||||
| -rw-r--r-- | include/asm-mips/mach-ip27/mangle-port.h | 16 | ||||
| -rw-r--r-- | include/asm-mips/mach-ip27/mmzone.h | 36 | ||||
| -rw-r--r-- | include/asm-mips/mach-ip27/spaces.h | 34 | ||||
| -rw-r--r-- | include/asm-mips/mach-ip27/topology.h | 38 |
6 files changed, 185 insertions, 0 deletions
diff --git a/include/asm-mips/mach-ip27/cpu-feature-overrides.h b/include/asm-mips/mach-ip27/cpu-feature-overrides.h new file mode 100644 index 000000000000..fe96d7358517 --- /dev/null +++ b/include/asm-mips/mach-ip27/cpu-feature-overrides.h @@ -0,0 +1,39 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2003 Ralf Baechle + */ +#ifndef __ASM_MACH_IP27_CPU_FEATURE_OVERRIDES_H +#define __ASM_MACH_IP27_CPU_FEATURE_OVERRIDES_H + +/* + * IP27 only comes with R10000 family processors all using the same config + */ +#define cpu_has_watch 1 +#define cpu_has_mips16 0 +#define cpu_has_divec 0 +#define cpu_has_vce 0 +#define cpu_has_cache_cdex_p 0 +#define cpu_has_cache_cdex_s 0 +#define cpu_has_prefetch 1 +#define cpu_has_mcheck 0 +#define cpu_has_ejtag 0 + +#define cpu_has_llsc 1 +#define cpu_has_vtag_icache 0 +#define cpu_has_dc_aliases 0 +#define cpu_has_ic_fills_f_dc 0 +#define cpu_icache_snoops_remote_store 1 + +#define cpu_has_nofpuex 0 +#define cpu_has_64bits 1 + +#define cpu_has_subset_pcaches 1 + +#define cpu_dcache_line_size() 32 +#define cpu_icache_line_size() 64 +#define cpu_scache_line_size() 128 + +#endif /* __ASM_MACH_IP27_CPU_FEATURE_OVERRIDES_H */ diff --git a/include/asm-mips/mach-ip27/irq.h b/include/asm-mips/mach-ip27/irq.h new file mode 100644 index 000000000000..806213ce31b6 --- /dev/null +++ b/include/asm-mips/mach-ip27/irq.h @@ -0,0 +1,22 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1999, 2000, 01, 02, 03 by Ralf Baechle + * Copyright (C) 1999, 2000 Silicon Graphics, Inc. + * Copyright (C) 2001 Kanoj Sarcar + */ +#ifndef __ASM_MACH_IP27_IRQ_H +#define __ASM_MACH_IP27_IRQ_H + +#include <asm/sn/arch.h> + +/* + * A hardwired interrupt number is completly stupid for this system - a + * large configuration might have thousands if not tenthousands of + * interrupts. + */ +#define NR_IRQS 256 + +#endif /* __ASM_MACH_IP27_IRQ_H */ diff --git a/include/asm-mips/mach-ip27/mangle-port.h b/include/asm-mips/mach-ip27/mangle-port.h new file mode 100644 index 000000000000..f76c44880451 --- /dev/null +++ b/include/asm-mips/mach-ip27/mangle-port.h @@ -0,0 +1,16 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2003, 2004 Ralf Baechle + */ +#ifndef __ASM_MACH_IP27_MANGLE_PORT_H +#define __ASM_MACH_IP27_MANGLE_PORT_H + +#define __swizzle_addr_b(port) (port) +#define __swizzle_addr_w(port) ((port) ^ 2) +#define __swizzle_addr_l(port) (port) +#define __swizzle_addr_q(port) (port) + +#endif /* __ASM_MACH_IP27_MANGLE_PORT_H */ diff --git a/include/asm-mips/mach-ip27/mmzone.h b/include/asm-mips/mach-ip27/mmzone.h new file mode 100644 index 000000000000..d3f566362e9d --- /dev/null +++ b/include/asm-mips/mach-ip27/mmzone.h @@ -0,0 +1,36 @@ +#ifndef _ASM_MACH_MMZONE_H +#define _ASM_MACH_MMZONE_H + +#include <asm/sn/addrs.h> +#include <asm/sn/arch.h> +#include <asm/sn/hub.h> + +#define pa_to_nid(addr) NASID_TO_COMPACT_NODEID(NASID_GET(addr)) + +#define LEVELS_PER_SLICE 128 + +struct slice_data { + unsigned long irq_alloc_mask[2]; + unsigned long irq_enable_mask[2]; + int level_to_irq[LEVELS_PER_SLICE]; +}; + +struct hub_data { + kern_vars_t kern_vars; + DECLARE_BITMAP(h_bigwin_used, HUB_NUM_BIG_WINDOW); + cpumask_t h_cpus; + unsigned long slice_map; + struct slice_data slice[2]; +}; + +struct node_data { + struct pglist_data pglist; + struct hub_data hub; +}; + +extern struct node_data *__node_data[]; + +#define NODE_DATA(n) (&__node_data[(n)]->pglist) +#define hub_data(n) (&__node_data[(n)]->hub) + +#endif /* _ASM_MACH_MMZONE_H */ diff --git a/include/asm-mips/mach-ip27/spaces.h b/include/asm-mips/mach-ip27/spaces.h new file mode 100644 index 000000000000..e3b3fe32eeb1 --- /dev/null +++ b/include/asm-mips/mach-ip27/spaces.h @@ -0,0 +1,34 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1996, 99 Ralf Baechle + * Copyright (C) 2000, 2002 Maciej W. Rozycki + * Copyright (C) 1990, 1999 by Silicon Graphics, Inc. + */ +#ifndef _ASM_MACH_IP27_SPACES_H +#define _ASM_MACH_IP27_SPACES_H + +/* + * IP27 uses the R10000's uncached attribute feature. Attribute 3 selects + * uncached memory addressing. + */ +#define CAC_BASE 0xa800000000000000 + +#define HSPEC_BASE 0x9000000000000000 +#define IO_BASE 0x9200000000000000 +#define MSPEC_BASE 0x9400000000000000 +#define UNCAC_BASE 0x9600000000000000 + +#define TO_PHYS(x) ( ((x) & TO_PHYS_MASK)) +#define TO_CAC(x) (CAC_BASE | ((x) & TO_PHYS_MASK)) +#define TO_UNCAC(x) (UNCAC_BASE | ((x) & TO_PHYS_MASK)) +#define TO_MSPEC(x) (MSPEC_BASE | ((x) & TO_PHYS_MASK)) +#define TO_HSPEC(x) (HSPEC_BASE | ((x) & TO_PHYS_MASK)) + +#define PAGE_OFFSET CAC_BASE + +#define HIGHMEM_START (~0UL) + +#endif /* _ASM_MACH_IP27_SPACES_H */ diff --git a/include/asm-mips/mach-ip27/topology.h b/include/asm-mips/mach-ip27/topology.h new file mode 100644 index 000000000000..a70a81257c3d --- /dev/null +++ b/include/asm-mips/mach-ip27/topology.h @@ -0,0 +1,38 @@ +#ifndef _ASM_MACH_TOPOLOGY_H +#define _ASM_MACH_TOPOLOGY_H 1 + +#include <asm/sn/arch.h> +#include <asm/sn/hub.h> +#include <asm/mmzone.h> + +#define cpu_to_node(cpu) (cpu_data[(cpu)].p_nodeid) +#define parent_node(node) (node) +#define node_to_cpumask(node) (hub_data(node)->h_cpus) +#define node_to_first_cpu(node) (first_cpu(node_to_cpumask(node))) +#define pcibus_to_cpumask(bus) (cpu_online_map) + +extern unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES]; + +#define node_distance(from, to) (__node_distances[(from)][(to)]) + +/* sched_domains SD_NODE_INIT for SGI IP27 machines */ +#define SD_NODE_INIT (struct sched_domain) { \ + .span = CPU_MASK_NONE, \ + .parent = NULL, \ + .groups = NULL, \ + .min_interval = 8, \ + .max_interval = 32, \ + .busy_factor = 32, \ + .imbalance_pct = 125, \ + .cache_hot_time = (10*1000), \ + .cache_nice_tries = 1, \ + .per_cpu_gain = 100, \ + .flags = SD_LOAD_BALANCE \ + | SD_BALANCE_EXEC \ + | SD_WAKE_BALANCE, \ + .last_balance = jiffies, \ + .balance_interval = 1, \ + .nr_balance_failed = 0, \ +} + +#endif /* _ASM_MACH_TOPOLOGY_H */ |