| .. | .. |
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| 1 | +// SPDX-License-Identifier: GPL-2.0-or-later |
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| 1 | 2 | /* |
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| 2 | 3 | * MIPS idle loop and WAIT instruction support. |
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| 3 | 4 | * |
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| .. | .. |
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| 5 | 6 | * Copyright (C) 1994 - 2006 Ralf Baechle |
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| 6 | 7 | * Copyright (C) 2003, 2004 Maciej W. Rozycki |
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| 7 | 8 | * Copyright (C) 2001, 2004, 2011, 2012 MIPS Technologies, Inc. |
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| 8 | | - * |
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| 9 | | - * This program is free software; you can redistribute it and/or |
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| 10 | | - * modify it under the terms of the GNU General Public License |
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| 11 | | - * as published by the Free Software Foundation; either version |
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| 12 | | - * 2 of the License, or (at your option) any later version. |
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| 13 | 9 | */ |
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| 14 | 10 | #include <linux/cpu.h> |
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| 15 | 11 | #include <linux/export.h> |
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| .. | .. |
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| 37 | 33 | { |
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| 38 | 34 | unsigned long cfg = read_c0_conf(); |
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| 39 | 35 | write_c0_conf(cfg | R30XX_CONF_HALT); |
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| 40 | | - local_irq_enable(); |
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| 36 | + raw_local_irq_enable(); |
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| 41 | 37 | } |
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| 42 | 38 | |
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| 43 | 39 | static void __cpuidle r39xx_wait(void) |
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| 44 | 40 | { |
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| 45 | 41 | if (!need_resched()) |
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| 46 | 42 | write_c0_conf(read_c0_conf() | TX39_CONF_HALT); |
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| 47 | | - local_irq_enable(); |
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| 43 | + raw_local_irq_enable(); |
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| 48 | 44 | } |
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| 49 | 45 | |
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| 50 | 46 | void __cpuidle r4k_wait(void) |
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| 51 | 47 | { |
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| 52 | | - local_irq_enable(); |
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| 48 | + raw_local_irq_enable(); |
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| 53 | 49 | __r4k_wait(); |
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| 54 | 50 | } |
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| 55 | 51 | |
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| .. | .. |
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| 68 | 64 | " .set arch=r4000 \n" |
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| 69 | 65 | " wait \n" |
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| 70 | 66 | " .set pop \n"); |
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| 71 | | - local_irq_enable(); |
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| 67 | + raw_local_irq_enable(); |
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| 72 | 68 | } |
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| 73 | 69 | |
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| 74 | 70 | /* |
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| .. | .. |
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| 88 | 84 | " wait \n" |
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| 89 | 85 | " mtc0 $1, $12 # stalls until W stage \n" |
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| 90 | 86 | " .set pop \n"); |
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| 91 | | - local_irq_enable(); |
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| 87 | + raw_local_irq_enable(); |
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| 92 | 88 | } |
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| 93 | 89 | |
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| 94 | 90 | /* |
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| .. | .. |
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| 101 | 97 | unsigned long c0status = read_c0_status() | 1; /* irqs on */ |
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| 102 | 98 | |
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| 103 | 99 | __asm__( |
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| 104 | | - " .set arch=r4000 \n" |
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| 100 | + " .set push \n" |
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| 101 | + " .set arch=r4000 \n" |
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| 105 | 102 | " cache 0x14, 0(%0) \n" |
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| 106 | 103 | " cache 0x14, 32(%0) \n" |
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| 107 | 104 | " sync \n" |
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| .. | .. |
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| 111 | 108 | " nop \n" |
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| 112 | 109 | " nop \n" |
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| 113 | 110 | " nop \n" |
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| 114 | | - " .set mips0 \n" |
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| 111 | + " .set pop \n" |
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| 115 | 112 | : : "r" (au1k_wait), "r" (c0status)); |
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| 116 | 113 | } |
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| 117 | 114 | |
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| .. | .. |
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| 154 | 151 | cpu_wait = r39xx_wait; |
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| 155 | 152 | break; |
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| 156 | 153 | case CPU_R4200: |
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| 157 | | -/* case CPU_R4300: */ |
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| 158 | 154 | case CPU_R4600: |
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| 159 | 155 | case CPU_R4640: |
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| 160 | 156 | case CPU_R4650: |
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| .. | .. |
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| 176 | 172 | case CPU_CAVIUM_OCTEON_PLUS: |
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| 177 | 173 | case CPU_CAVIUM_OCTEON2: |
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| 178 | 174 | case CPU_CAVIUM_OCTEON3: |
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| 179 | | - case CPU_JZRISC: |
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| 180 | | - case CPU_LOONGSON1: |
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| 175 | + case CPU_XBURST: |
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| 176 | + case CPU_LOONGSON32: |
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| 181 | 177 | case CPU_XLR: |
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| 182 | 178 | case CPU_XLP: |
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| 183 | 179 | cpu_wait = r4k_wait; |
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| 184 | 180 | break; |
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| 185 | | - case CPU_LOONGSON3: |
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| 186 | | - if ((c->processor_id & PRID_REV_MASK) >= PRID_REV_LOONGSON3A_R2) |
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| 181 | + case CPU_LOONGSON64: |
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| 182 | + if ((c->processor_id & (PRID_IMP_MASK | PRID_REV_MASK)) >= |
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| 183 | + (PRID_IMP_LOONGSON_64C | PRID_REV_LOONGSON3A_R2_0) || |
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| 184 | + (c->processor_id & PRID_IMP_MASK) == PRID_IMP_LOONGSON_64R) |
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| 187 | 185 | cpu_wait = r4k_wait; |
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| 188 | 186 | break; |
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| 189 | 187 | |
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| .. | .. |
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| 204 | 202 | */ |
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| 205 | 203 | if (IS_ENABLED(CONFIG_MIPS_EJTAG_FDC_TTY)) |
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| 206 | 204 | break; |
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| 207 | | - /* fall through */ |
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| 205 | + fallthrough; |
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| 208 | 206 | case CPU_M14KC: |
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| 209 | 207 | case CPU_M14KEC: |
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| 210 | 208 | case CPU_24K: |
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| .. | .. |
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| 259 | 257 | if (cpu_wait) |
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| 260 | 258 | cpu_wait(); |
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| 261 | 259 | else |
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| 262 | | - local_irq_enable(); |
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| 260 | + raw_local_irq_enable(); |
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| 263 | 261 | } |
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| 264 | 262 | |
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| 265 | 263 | #ifdef CONFIG_CPU_IDLE |
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