Yinghai Lu | c7e7964 | 2008-07-25 02:17:33 -0700 | [diff] [blame] | 1 | #ifndef __ASM_ES7000_APIC_H |
| 2 | #define __ASM_ES7000_APIC_H |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | |
Glauber de Oliveira Costa | cbe879f | 2008-03-19 14:25:19 -0300 | [diff] [blame] | 4 | #define xapic_phys_to_log_apicid(cpu) per_cpu(x86_bios_cpu_apicid, cpu) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | #define esr_disable (1) |
| 6 | |
| 7 | static inline int apic_id_registered(void) |
| 8 | { |
| 9 | return (1); |
| 10 | } |
| 11 | |
| 12 | static inline cpumask_t target_cpus(void) |
Yinghai Lu | c7e7964 | 2008-07-25 02:17:33 -0700 | [diff] [blame] | 13 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | #if defined CONFIG_ES7000_CLUSTERED_APIC |
| 15 | return CPU_MASK_ALL; |
| 16 | #else |
| 17 | return cpumask_of_cpu(smp_processor_id()); |
| 18 | #endif |
| 19 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | |
| 21 | #if defined CONFIG_ES7000_CLUSTERED_APIC |
| 22 | #define APIC_DFR_VALUE (APIC_DFR_CLUSTER) |
| 23 | #define INT_DELIVERY_MODE (dest_LowestPrio) |
| 24 | #define INT_DEST_MODE (1) /* logical delivery broadcast to all procs */ |
Yinghai Lu | c7e7964 | 2008-07-25 02:17:33 -0700 | [diff] [blame] | 25 | #define NO_BALANCE_IRQ (1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | #undef WAKE_SECONDARY_VIA_INIT |
| 27 | #define WAKE_SECONDARY_VIA_MIP |
| 28 | #else |
| 29 | #define APIC_DFR_VALUE (APIC_DFR_FLAT) |
| 30 | #define INT_DELIVERY_MODE (dest_Fixed) |
| 31 | #define INT_DEST_MODE (0) /* phys delivery to target procs */ |
Yinghai Lu | c7e7964 | 2008-07-25 02:17:33 -0700 | [diff] [blame] | 32 | #define NO_BALANCE_IRQ (0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | #undef APIC_DEST_LOGICAL |
| 34 | #define APIC_DEST_LOGICAL 0x0 |
| 35 | #define WAKE_SECONDARY_VIA_INIT |
| 36 | #endif |
| 37 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) |
Yinghai Lu | c7e7964 | 2008-07-25 02:17:33 -0700 | [diff] [blame] | 39 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | return 0; |
Yinghai Lu | c7e7964 | 2008-07-25 02:17:33 -0700 | [diff] [blame] | 41 | } |
| 42 | static inline unsigned long check_apicid_present(int bit) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 43 | { |
| 44 | return physid_isset(bit, phys_cpu_present_map); |
| 45 | } |
| 46 | |
| 47 | #define apicid_cluster(apicid) (apicid & 0xF0) |
| 48 | |
| 49 | static inline unsigned long calculate_ldr(int cpu) |
| 50 | { |
| 51 | unsigned long id; |
| 52 | id = xapic_phys_to_log_apicid(cpu); |
| 53 | return (SET_APIC_LOGICAL_ID(id)); |
| 54 | } |
| 55 | |
| 56 | /* |
| 57 | * Set up the logical destination ID. |
| 58 | * |
| 59 | * Intel recommends to set DFR, LdR and TPR before enabling |
| 60 | * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel |
| 61 | * document number 292116). So here it goes... |
| 62 | */ |
| 63 | static inline void init_apic_ldr(void) |
| 64 | { |
| 65 | unsigned long val; |
| 66 | int cpu = smp_processor_id(); |
| 67 | |
Maciej W. Rozycki | 593f4a7 | 2008-07-16 19:15:30 +0100 | [diff] [blame] | 68 | apic_write(APIC_DFR, APIC_DFR_VALUE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | val = calculate_ldr(cpu); |
Maciej W. Rozycki | 593f4a7 | 2008-07-16 19:15:30 +0100 | [diff] [blame] | 70 | apic_write(APIC_LDR, val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | } |
| 72 | |
Vivek Goyal | 071922c | 2007-07-06 02:39:55 -0700 | [diff] [blame] | 73 | #ifndef CONFIG_X86_GENERICARCH |
| 74 | extern void enable_apic_mode(void); |
| 75 | #endif |
| 76 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 77 | extern int apic_version [MAX_APICS]; |
Ingo Molnar | 3c43f03 | 2007-05-02 19:27:04 +0200 | [diff] [blame] | 78 | static inline void setup_apic_routing(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | { |
Glauber de Oliveira Costa | cbe879f | 2008-03-19 14:25:19 -0300 | [diff] [blame] | 80 | int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id()); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | printk("Enabling APIC mode: %s. Using %d I/O APICs, target cpus %lx\n", |
Yinghai Lu | c7e7964 | 2008-07-25 02:17:33 -0700 | [diff] [blame] | 82 | (apic_version[apic] == 0x14) ? |
Yinghai Lu | 497c9a1 | 2008-08-19 20:50:28 -0700 | [diff] [blame] | 83 | "Physical Cluster" : "Logical Cluster", nr_ioapics, cpus_addr(target_cpus())[0]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | } |
| 85 | |
| 86 | static inline int multi_timer_check(int apic, int irq) |
| 87 | { |
| 88 | return 0; |
| 89 | } |
| 90 | |
| 91 | static inline int apicid_to_node(int logical_apicid) |
| 92 | { |
| 93 | return 0; |
| 94 | } |
| 95 | |
| 96 | |
| 97 | static inline int cpu_present_to_apicid(int mps_cpu) |
| 98 | { |
| 99 | if (!mps_cpu) |
| 100 | return boot_cpu_physical_apicid; |
| 101 | else if (mps_cpu < NR_CPUS) |
Glauber de Oliveira Costa | cbe879f | 2008-03-19 14:25:19 -0300 | [diff] [blame] | 102 | return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | else |
| 104 | return BAD_APICID; |
| 105 | } |
| 106 | |
| 107 | static inline physid_mask_t apicid_to_cpu_present(int phys_apicid) |
| 108 | { |
| 109 | static int id = 0; |
| 110 | physid_mask_t mask; |
| 111 | mask = physid_mask_of_physid(id); |
| 112 | ++id; |
| 113 | return mask; |
| 114 | } |
| 115 | |
| 116 | extern u8 cpu_2_logical_apicid[]; |
| 117 | /* Mapping from cpu number to logical apicid */ |
| 118 | static inline int cpu_to_logical_apicid(int cpu) |
| 119 | { |
Andi Kleen | 874c4fe | 2006-09-26 10:52:26 +0200 | [diff] [blame] | 120 | #ifdef CONFIG_SMP |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | if (cpu >= NR_CPUS) |
| 122 | return BAD_APICID; |
| 123 | return (int)cpu_2_logical_apicid[cpu]; |
Andi Kleen | 874c4fe | 2006-09-26 10:52:26 +0200 | [diff] [blame] | 124 | #else |
| 125 | return logical_smp_processor_id(); |
| 126 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | } |
| 128 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map) |
| 130 | { |
| 131 | /* For clustered we don't have a good way to do this yet - hack */ |
| 132 | return physids_promote(0xff); |
| 133 | } |
| 134 | |
| 135 | |
| 136 | static inline void setup_portio_remap(void) |
| 137 | { |
| 138 | } |
| 139 | |
| 140 | extern unsigned int boot_cpu_physical_apicid; |
| 141 | static inline int check_phys_apicid_present(int cpu_physical_apicid) |
| 142 | { |
Yinghai Lu | 4c9961d | 2008-07-11 18:44:16 -0700 | [diff] [blame] | 143 | boot_cpu_physical_apicid = read_apic_id(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 144 | return (1); |
| 145 | } |
| 146 | |
| 147 | static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) |
| 148 | { |
| 149 | int num_bits_set; |
| 150 | int cpus_found = 0; |
| 151 | int cpu; |
Yinghai Lu | c7e7964 | 2008-07-25 02:17:33 -0700 | [diff] [blame] | 152 | int apicid; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | |
| 154 | num_bits_set = cpus_weight(cpumask); |
| 155 | /* Return id to all */ |
| 156 | if (num_bits_set == NR_CPUS) |
| 157 | #if defined CONFIG_ES7000_CLUSTERED_APIC |
| 158 | return 0xFF; |
| 159 | #else |
| 160 | return cpu_to_logical_apicid(0); |
| 161 | #endif |
Yinghai Lu | c7e7964 | 2008-07-25 02:17:33 -0700 | [diff] [blame] | 162 | /* |
| 163 | * The cpus in the mask must all be on the apic cluster. If are not |
| 164 | * on the same apicid cluster return default value of TARGET_CPUS. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 165 | */ |
| 166 | cpu = first_cpu(cpumask); |
| 167 | apicid = cpu_to_logical_apicid(cpu); |
| 168 | while (cpus_found < num_bits_set) { |
| 169 | if (cpu_isset(cpu, cpumask)) { |
| 170 | int new_apicid = cpu_to_logical_apicid(cpu); |
Yinghai Lu | c7e7964 | 2008-07-25 02:17:33 -0700 | [diff] [blame] | 171 | if (apicid_cluster(apicid) != |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | apicid_cluster(new_apicid)){ |
Harvey Harrison | d5c003b | 2008-10-15 22:01:24 -0700 | [diff] [blame] | 173 | printk ("%s: Not a valid mask!\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | #if defined CONFIG_ES7000_CLUSTERED_APIC |
| 175 | return 0xFF; |
| 176 | #else |
| 177 | return cpu_to_logical_apicid(0); |
| 178 | #endif |
| 179 | } |
| 180 | apicid = new_apicid; |
| 181 | cpus_found++; |
| 182 | } |
| 183 | cpu++; |
| 184 | } |
| 185 | return apicid; |
| 186 | } |
| 187 | |
| 188 | static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) |
| 189 | { |
| 190 | return cpuid_apic >> index_msb; |
| 191 | } |
| 192 | |
Yinghai Lu | c7e7964 | 2008-07-25 02:17:33 -0700 | [diff] [blame] | 193 | #endif /* __ASM_ES7000_APIC_H */ |