Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * APIC driver for the Unisys ES7000 chipset. |
| 3 | */ |
| 4 | #define APIC_DEFINITION 1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | #include <linux/threads.h> |
| 6 | #include <linux/cpumask.h> |
Andi Kleen | 874c4fe | 2006-09-26 10:52:26 +0200 | [diff] [blame] | 7 | #include <asm/smp.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | #include <asm/mpspec.h> |
| 9 | #include <asm/genapic.h> |
| 10 | #include <asm/fixmap.h> |
| 11 | #include <asm/apicdef.h> |
| 12 | #include <linux/kernel.h> |
| 13 | #include <linux/string.h> |
| 14 | #include <linux/smp.h> |
| 15 | #include <linux/init.h> |
| 16 | #include <asm/mach-es7000/mach_apicdef.h> |
| 17 | #include <asm/mach-es7000/mach_apic.h> |
| 18 | #include <asm/mach-es7000/mach_ipi.h> |
| 19 | #include <asm/mach-es7000/mach_mpparse.h> |
| 20 | #include <asm/mach-es7000/mach_wakecpu.h> |
| 21 | |
Vivek Goyal | e96763d | 2007-01-11 01:52:44 +0100 | [diff] [blame] | 22 | static int probe_es7000(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | { |
| 24 | /* probed later in mptable/ACPI hooks */ |
| 25 | return 0; |
| 26 | } |
| 27 | |
Vivek Goyal | 1833d6b | 2007-05-02 19:27:08 +0200 | [diff] [blame] | 28 | extern void es7000_sw_apic(void); |
| 29 | static void __init enable_apic_mode(void) |
| 30 | { |
| 31 | es7000_sw_apic(); |
| 32 | return; |
| 33 | } |
| 34 | |
| 35 | static __init int mps_oem_check(struct mp_config_table *mpc, char *oem, |
| 36 | char *productid) |
| 37 | { |
| 38 | if (mpc->mpc_oemptr) { |
| 39 | struct mp_config_oemtable *oem_table = |
| 40 | (struct mp_config_oemtable *)mpc->mpc_oemptr; |
| 41 | if (!strncmp(oem, "UNISYS", 6)) |
| 42 | return parse_unisys_oem((char *)oem_table); |
| 43 | } |
| 44 | return 0; |
| 45 | } |
| 46 | |
| 47 | #ifdef CONFIG_ACPI |
| 48 | /* Hook from generic ACPI tables.c */ |
| 49 | static int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id) |
| 50 | { |
| 51 | unsigned long oem_addr; |
| 52 | if (!find_unisys_acpi_oem_table(&oem_addr)) { |
| 53 | if (es7000_check_dsdt()) |
| 54 | return parse_unisys_oem((char *)oem_addr); |
| 55 | else { |
| 56 | setup_unisys(); |
| 57 | return 1; |
| 58 | } |
| 59 | } |
| 60 | return 0; |
| 61 | } |
| 62 | #else |
| 63 | static int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id) |
| 64 | { |
| 65 | return 0; |
| 66 | } |
| 67 | #endif |
| 68 | |
Sam Ravnborg | d3ab785 | 2007-06-03 00:05:10 +0200 | [diff] [blame] | 69 | struct genapic __initdata_refok apic_es7000 = APIC_INIT("es7000", probe_es7000); |