Remove obsolete _LINUX_CONFIG_H macro
[platform/kernel/u-boot.git] / arch / powerpc / cpu / mpc8xx / kgdb.S
1 /*
2  *  Copyright (C) 2000  Murray Jensen <Murray.Jensen@cmst.csiro.au>
3  *
4  * SPDX-License-Identifier:     GPL-2.0+
5  */
6
7 #include <config.h>
8 #include <command.h>
9 #include <mpc8xx.h>
10 #include <version.h>
11
12 #define CONFIG_8xx 1            /* needed for Linux kernel header files */
13
14 #include <ppc_asm.tmpl>
15 #include <ppc_defs.h>
16
17 #include <asm/cache.h>
18 #include <asm/mmu.h>
19
20 #if defined(CONFIG_CMD_KGDB)
21
22  /*
23  * cache flushing routines for kgdb
24  */
25
26         .globl  kgdb_flush_cache_all
27 kgdb_flush_cache_all:
28         lis     r3, IDC_INVALL@h
29         mtspr   DC_CST, r3
30         sync
31         lis     r3, IDC_INVALL@h
32         mtspr   IC_CST, r3
33         SYNC
34         blr
35
36         .globl  kgdb_flush_cache_range
37 kgdb_flush_cache_range:
38         li      r5,CONFIG_SYS_CACHELINE_SIZE-1
39         andc    r3,r3,r5
40         subf    r4,r3,r4
41         add     r4,r4,r5
42         srwi.   r4,r4,CONFIG_SYS_CACHELINE_SHIFT
43         beqlr
44         mtctr   r4
45         mr      r6,r3
46 1:      dcbst   0,r3
47         addi    r3,r3,CONFIG_SYS_CACHELINE_SIZE
48         bdnz    1b
49         sync                            /* wait for dcbst's to get to ram */
50         mtctr   r4
51 2:      icbi    0,r6
52         addi    r6,r6,CONFIG_SYS_CACHELINE_SIZE
53         bdnz    2b
54         SYNC
55         blr
56
57 #endif