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| author | Stewart Smith <stewart@flamingspork.com> | 2021-12-20 22:22:46 +1000 |
|---|---|---|
| committer | Cédric Le Goater <clg@kaod.org> | 2022-01-03 16:12:45 +0100 |
| commit | a6816a42c1f40481c998177b2b88329984ed25b2 (patch) | |
| tree | a16e18b13ebec97cd8f1704b26d439f6d4da7a31 /core | |
| parent | b2b4b311c4a2a084bb072eeaf8d9e0409a9eedd5 (diff) | |
| download | skiboot-a6816a42c1f40481c998177b2b88329984ed25b2.zip skiboot-a6816a42c1f40481c998177b2b88329984ed25b2.tar.gz skiboot-a6816a42c1f40481c998177b2b88329984ed25b2.tar.bz2 | |
Add CONFIG_P8 with PHB3 behind it
We can use a base CPU of POWER9 if we don't have P8.
We can also hide PHB3 code behind this,
and shave 12kb off skiboot.lid.xz
Reviewed-by: Dan Horák <dan@danny.cz>
[npiggin: add cpp define, fail gracefully on P8]
Signed-off-by: Stewart Smith <stewart@flamingspork.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'core')
| -rw-r--r-- | core/cpu.c | 11 |
1 files changed, 9 insertions, 2 deletions
@@ -1066,9 +1066,16 @@ void init_boot_cpu(void) cpu_thread_count = 1; } - if (proc_gen == proc_gen_p8 && (PVR_VERS_MAJ(mfspr(SPR_PVR)) == 1)) { - prerror("CPU: POWER8 DD1 is not supported\n"); + if (proc_gen == proc_gen_p8) { +#ifdef CONFIG_P8 + if (PVR_VERS_MAJ(mfspr(SPR_PVR)) == 1) { + prerror("CPU: POWER8 DD1 is not supported\n"); + abort(); + } +#else + prerror("CPU: POWER8 detected but CONFIG_P8 not set\n"); abort(); +#endif } if (is_power9n(pvr) && (PVR_VERS_MAJ(pvr) == 1)) { |