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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:57 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:57 +0000
commitdc50eab76b709d68175a358d6e23a5a3890764d3 (patch)
treec754d0390db060af0213ff994f0ac310e4cfd6e9 /arch/ia64/uv
parentAdding debian version 6.6.15-2. (diff)
downloadlinux-dc50eab76b709d68175a358d6e23a5a3890764d3.tar.xz
linux-dc50eab76b709d68175a358d6e23a5a3890764d3.zip
Merging upstream version 6.7.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/ia64/uv')
-rw-r--r--arch/ia64/uv/Makefile12
-rw-r--r--arch/ia64/uv/kernel/Makefile12
-rw-r--r--arch/ia64/uv/kernel/setup.c120
3 files changed, 0 insertions, 144 deletions
diff --git a/arch/ia64/uv/Makefile b/arch/ia64/uv/Makefile
deleted file mode 100644
index aa9f91947c..0000000000
--- a/arch/ia64/uv/Makefile
+++ /dev/null
@@ -1,12 +0,0 @@
-# arch/ia64/uv/Makefile
-#
-# 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) 2008 Silicon Graphics, Inc. All Rights Reserved.
-#
-# Makefile for the sn uv subplatform
-#
-
-obj-y += kernel/
diff --git a/arch/ia64/uv/kernel/Makefile b/arch/ia64/uv/kernel/Makefile
deleted file mode 100644
index 297196578d..0000000000
--- a/arch/ia64/uv/kernel/Makefile
+++ /dev/null
@@ -1,12 +0,0 @@
-# arch/ia64/uv/kernel/Makefile
-#
-# 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) 2008 Silicon Graphics, Inc. All Rights Reserved.
-#
-
-ccflags-y := -Iarch/ia64/sn/include
-
-obj-y += setup.o
diff --git a/arch/ia64/uv/kernel/setup.c b/arch/ia64/uv/kernel/setup.c
deleted file mode 100644
index bb025486d7..0000000000
--- a/arch/ia64/uv/kernel/setup.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * 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.
- *
- * SGI UV Core Functions
- *
- * Copyright (C) 2008 Silicon Graphics, Inc. All rights reserved.
- */
-
-#include <linux/acpi.h>
-#include <linux/efi.h>
-#include <linux/module.h>
-#include <linux/percpu.h>
-#include <asm/uv/uv.h>
-#include <asm/uv/uv_mmrs.h>
-#include <asm/uv/uv_hub.h>
-
-bool ia64_is_uv;
-EXPORT_SYMBOL_GPL(ia64_is_uv);
-
-DEFINE_PER_CPU(struct uv_hub_info_s, __uv_hub_info);
-EXPORT_PER_CPU_SYMBOL_GPL(__uv_hub_info);
-
-struct redir_addr {
- unsigned long redirect;
- unsigned long alias;
-};
-
-#define DEST_SHIFT UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR_DEST_BASE_SHFT
-
-static __initdata struct redir_addr redir_addrs[] = {
- {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR, UVH_SI_ALIAS0_OVERLAY_CONFIG},
- {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_1_MMR, UVH_SI_ALIAS1_OVERLAY_CONFIG},
- {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_2_MMR, UVH_SI_ALIAS2_OVERLAY_CONFIG},
-};
-
-static __init void get_lowmem_redirect(unsigned long *base, unsigned long *size)
-{
- union uvh_si_alias0_overlay_config_u alias;
- union uvh_rh_gam_alias210_redirect_config_2_mmr_u redirect;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(redir_addrs); i++) {
- alias.v = uv_read_local_mmr(redir_addrs[i].alias);
- if (alias.s.base == 0) {
- *size = (1UL << alias.s.m_alias);
- redirect.v = uv_read_local_mmr(redir_addrs[i].redirect);
- *base = (unsigned long)redirect.s.dest_base << DEST_SHIFT;
- return;
- }
- }
- BUG();
-}
-
-void __init uv_probe_system_type(void)
-{
- struct acpi_table_rsdp *rsdp;
- struct acpi_table_xsdt *xsdt;
-
- if (efi.acpi20 == EFI_INVALID_TABLE_ADDR) {
- pr_err("ACPI 2.0 RSDP not found.\n");
- return;
- }
-
- rsdp = (struct acpi_table_rsdp *)__va(efi.acpi20);
- if (strncmp(rsdp->signature, ACPI_SIG_RSDP, sizeof(ACPI_SIG_RSDP) - 1)) {
- pr_err("ACPI 2.0 RSDP signature incorrect.\n");
- return;
- }
-
- xsdt = (struct acpi_table_xsdt *)__va(rsdp->xsdt_physical_address);
- if (strncmp(xsdt->header.signature, ACPI_SIG_XSDT,
- sizeof(ACPI_SIG_XSDT) - 1)) {
- pr_err("ACPI 2.0 XSDT signature incorrect.\n");
- return;
- }
-
- if (!strcmp(xsdt->header.oem_id, "SGI") &&
- !strcmp(xsdt->header.oem_table_id + 4, "UV"))
- ia64_is_uv = true;
-}
-
-void __init uv_setup(char **cmdline_p)
-{
- union uvh_si_addr_map_config_u m_n_config;
- union uvh_node_id_u node_id;
- unsigned long gnode_upper;
- int nid, cpu, m_val, n_val;
- unsigned long mmr_base, lowmem_redir_base, lowmem_redir_size;
-
- get_lowmem_redirect(&lowmem_redir_base, &lowmem_redir_size);
- node_id.v = uv_read_local_mmr(UVH_NODE_ID);
- m_n_config.v = uv_read_local_mmr(UVH_SI_ADDR_MAP_CONFIG);
- mmr_base = uv_read_local_mmr(UVH_RH_GAM_MMR_OVERLAY_CONFIG_MMR) &
- ~UV_MMR_ENABLE;
-
- m_val = m_n_config.s.m_skt;
- n_val = m_n_config.s.n_skt;
- printk(KERN_DEBUG "UV: global MMR base 0x%lx\n", mmr_base);
-
- gnode_upper = (((unsigned long)node_id.s.node_id) &
- ~((1 << n_val) - 1)) << m_val;
-
- for_each_present_cpu(cpu) {
- nid = cpu_to_node(cpu);
- uv_cpu_hub_info(cpu)->lowmem_remap_base = lowmem_redir_base;
- uv_cpu_hub_info(cpu)->lowmem_remap_top =
- lowmem_redir_base + lowmem_redir_size;
- uv_cpu_hub_info(cpu)->m_val = m_val;
- uv_cpu_hub_info(cpu)->n_val = n_val;
- uv_cpu_hub_info(cpu)->pnode_mask = (1 << n_val) -1;
- uv_cpu_hub_info(cpu)->gpa_mask = (1 << (m_val + n_val)) - 1;
- uv_cpu_hub_info(cpu)->gnode_upper = gnode_upper;
- uv_cpu_hub_info(cpu)->global_mmr_base = mmr_base;
- uv_cpu_hub_info(cpu)->coherency_domain_number = 0;/* ZZZ */
- printk(KERN_DEBUG "UV cpu %d, nid %d\n", cpu, nid);
- }
-}
-