diff options
| author | Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> | 2018-03-21 15:59:05 +0300 |
|---|---|---|
| committer | Alexey Brodkin <abrodkin@synopsys.com> | 2018-03-21 17:06:55 +0300 |
| commit | 6b85b26e4bc76bcc92571ae90c913b57ae32423c (patch) | |
| tree | a46be65f753b56d371088a71eafd3e590a7e3f18 /arch/arc | |
| parent | 9f0253c61acaa5c86adb3f6d41a5f95102609aa0 (diff) | |
ARC: Cache: Refactor arc_ioc_setup()
Move all checks before cache flush and IOC setup.
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Diffstat (limited to 'arch/arc')
| -rw-r--r-- | arch/arc/lib/cache.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/arc/lib/cache.c b/arch/arc/lib/cache.c index 99776066d3..8203fae145 100644 --- a/arch/arc/lib/cache.c +++ b/arch/arc/lib/cache.c @@ -386,11 +386,15 @@ static void arc_ioc_setup(void) if (!dcache_enabled()) panic("Try to enable IOC but L1 D$ is disabled"); - flush_n_invalidate_dcache_all(); - if (!is_power_of_2(ap_size) || ap_size < 4096) panic("IOC Aperture size must be power of 2 and bigger 4Kib"); + /* IOC Aperture start must be aligned to the size of the aperture */ + if (ap_base % ap_size != 0) + panic("IOC Aperture start must be aligned to the size of the aperture"); + + flush_n_invalidate_dcache_all(); + /* * IOC Aperture size decoded as 2 ^ (SIZE + 2) KB, * so setting 0x11 implies 512M, 0x12 implies 1G... @@ -398,10 +402,6 @@ static void arc_ioc_setup(void) write_aux_reg(ARC_AUX_IO_COH_AP0_SIZE, order_base_2(ap_size / 1024) - 2); - /* IOC Aperture start must be aligned to the size of the aperture */ - if (ap_base % ap_size != 0) - panic("IOC Aperture start must be aligned to the size of the aperture"); - write_aux_reg(ARC_AUX_IO_COH_AP0_BASE, ap_base >> 12); write_aux_reg(ARC_AUX_IO_COH_PARTIAL, 1); write_aux_reg(ARC_AUX_IO_COH_ENABLE, 1); |