1 /* SPDX-License-Identifier: GPL-2.0 2 * 3 * Copyright (c) 2006 Andriy Skulysh <askulsyh@gmail.com> 4 */ 5 6 #include <linux/linkage.h> 7 #include <cpu/mmu_context.h> 8 9 /* 10 * Kernel mode register usage: 11 * k0 scratch 12 * k1 scratch 13 * For more details, please have a look at entry.S 14 */ 15 16 #define k0 r0 17 #define k1 r1 18 19 ENTRY(wakeup_start) 20 ! clear STBY bit 21 mov #-126, k1 22 and #127, k0 23 mov.b k0, @k1 24 ! enable refresh 25 mov.l 5f, k1 26 mov.w 6f, k0 27 mov.w k0, @k1 28 ! jump to handler 29 mov.l 4f, k1 30 jmp @k1 31 nop 32 33 .align 2 34 4: .long handle_interrupt 35 5: .long 0xffffff68 36 6: .word 0x0524 37 38 ENTRY(wakeup_end) 39 nop
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