Am 26.05.2016 um 18:12 schrieb Marek Vasut: > On 05/26/2016 05:58 PM, Paul Burton wrote: >> Allow L1 Icache & L1 Dcache line size to be specified separately, since >> there's no architectural mandate that they be the same. The >> [id]cache_line_size functions are tidied up to take advantage of the >> fact that the Kconfig entries are always present to simply check them >> for zero rather than needing to #ifdef on their presence. >> >> Signed-off-by: Paul Burton <[email protected]> >> --- >> >> arch/mips/Kconfig | 6 +++++- >> arch/mips/lib/cache.c | 22 +++++++--------------- >> arch/mips/lib/cache_init.S | 4 ++-- >> board/dbau1x00/Kconfig | 5 ++++- >> board/micronas/vct/Kconfig | 5 ++++- >> board/pb1x00/Kconfig | 5 ++++- >> board/qca/ap121/Kconfig | 5 ++++- >> board/qca/ap143/Kconfig | 5 ++++- >> board/qemu-mips/Kconfig | 5 ++++- >> board/tplink/wdr4300/Kconfig | 5 ++++- >> 10 files changed, 42 insertions(+), 25 deletions(-) >> >> diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig >> index 13f1164..8af8799 100644 >> --- a/arch/mips/Kconfig >> +++ b/arch/mips/Kconfig >> @@ -247,11 +247,15 @@ config SYS_DCACHE_SIZE >> hex >> default 0 >> >> +config SYS_DCACHE_LINE_SIZE >> + hex >> + default 0 >> + >> config SYS_ICACHE_SIZE >> hex >> default 0 >> >> -config SYS_CACHELINE_SIZE >> +config SYS_ICACHE_LINE_SIZE > > Be careful here, CONFIG_SYS_CACHELINE_SIZE is established all over the > u-boot, so this might cause build breakage. You should keep some > compatibility CONFIG_SYS_CACHELINE_SIZE entry and set it to default to > SYS_DCACHE_LINE_SIZE , since it's mostly used for DMA anyway.
Marek is right. Some USB drivers still use CONFIG_SYS_CACHELINE_SIZE instead of ARCH_DMA_MINALIGN so CONFIG_SYS_CACHELINE_SIZE needs to be kept as Kconfig symbol. -- - Daniel
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