diff options
| author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
|---|---|---|
| committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
| commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
| tree | 65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/post/lib_powerpc/cpu.c | |
| download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip | |
Diffstat (limited to 'roms/u-boot/post/lib_powerpc/cpu.c')
| -rw-r--r-- | roms/u-boot/post/lib_powerpc/cpu.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/roms/u-boot/post/lib_powerpc/cpu.c b/roms/u-boot/post/lib_powerpc/cpu.c new file mode 100644 index 00000000..63a861e4 --- /dev/null +++ b/roms/u-boot/post/lib_powerpc/cpu.c @@ -0,0 +1,131 @@ +/* + * (C) Copyright 2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> + +/* + * CPU test + * + * This test checks the arithmetic logic unit (ALU) of CPU. + * It tests independently various groups of instructions using + * run-time modification of the code to reduce the memory footprint. + * For more details refer to post/cpu/ *.c files. + */ + +#include <watchdog.h> +#include <post.h> +#include <asm/mmu.h> + +#if CONFIG_POST & CONFIG_SYS_POST_CPU + +extern int cpu_post_test_cmp (void); +extern int cpu_post_test_cmpi (void); +extern int cpu_post_test_two (void); +extern int cpu_post_test_twox (void); +extern int cpu_post_test_three (void); +extern int cpu_post_test_threex (void); +extern int cpu_post_test_threei (void); +extern int cpu_post_test_andi (void); +extern int cpu_post_test_srawi (void); +extern int cpu_post_test_rlwnm (void); +extern int cpu_post_test_rlwinm (void); +extern int cpu_post_test_rlwimi (void); +extern int cpu_post_test_store (void); +extern int cpu_post_test_load (void); +extern int cpu_post_test_cr (void); +extern int cpu_post_test_b (void); +extern int cpu_post_test_multi (void); +extern int cpu_post_test_string (void); +extern int cpu_post_test_complex (void); + +DECLARE_GLOBAL_DATA_PTR; + +ulong cpu_post_makecr (long v) +{ + ulong cr = 0; + + if (v < 0) + cr |= 0x80000000; + if (v > 0) + cr |= 0x40000000; + if (v == 0) + cr |= 0x20000000; + + return cr; +} + +int cpu_post_test (int flags) +{ + int ic = icache_status (); + int ret = 0; + + WATCHDOG_RESET(); + if (ic) + icache_disable (); +#ifdef CONFIG_4xx_DCACHE + /* disable cache */ + change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, TLB_WORD2_I_ENABLE); +#endif + + if (ret == 0) + ret = cpu_post_test_cmp (); + if (ret == 0) + ret = cpu_post_test_cmpi (); + if (ret == 0) + ret = cpu_post_test_two (); + if (ret == 0) + ret = cpu_post_test_twox (); + WATCHDOG_RESET(); + if (ret == 0) + ret = cpu_post_test_three (); + if (ret == 0) + ret = cpu_post_test_threex (); + if (ret == 0) + ret = cpu_post_test_threei (); + if (ret == 0) + ret = cpu_post_test_andi (); + WATCHDOG_RESET(); + if (ret == 0) + ret = cpu_post_test_srawi (); + if (ret == 0) + ret = cpu_post_test_rlwnm (); + if (ret == 0) + ret = cpu_post_test_rlwinm (); + if (ret == 0) + ret = cpu_post_test_rlwimi (); + WATCHDOG_RESET(); + if (ret == 0) + ret = cpu_post_test_store (); + if (ret == 0) + ret = cpu_post_test_load (); + if (ret == 0) + ret = cpu_post_test_cr (); + if (ret == 0) + ret = cpu_post_test_b (); + WATCHDOG_RESET(); + if (ret == 0) + ret = cpu_post_test_multi (); + WATCHDOG_RESET(); + if (ret == 0) + ret = cpu_post_test_string (); + if (ret == 0) + ret = cpu_post_test_complex (); + WATCHDOG_RESET(); + + if (ic) + icache_enable (); +#ifdef CONFIG_4xx_DCACHE + /* enable cache */ + change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, 0); +#endif + + WATCHDOG_RESET(); + + return ret; +} + +#endif /* CONFIG_POST & CONFIG_SYS_POST_CPU */ |