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| author | TekkamanV <tekkamanv@starfivetech.com> | 2021-08-07 12:30:21 +0300 |
|---|---|---|
| committer | Tekkaman Ninja <tekkamanninja@163.com> | 2021-08-31 16:06:43 +0300 |
| commit | 99e391012d775a56d245febaac61d8062453b3c6 (patch) | |
| tree | f57b72115441f051fdfaf3234de9eab1b7e19793 | |
| parent | d7698efa3dc9440653f85d18355506930c264adc (diff) | |
| download | u-boot-99e391012d775a56d245febaac61d8062453b3c6.tar.xz | |
fu740: make WayEnable can be configured by menuconfig
Signed-off-by:TekkamanV <tekkamanv@starfivetech.com>
| -rw-r--r-- | arch/riscv/cpu/fu740/Kconfig | 20 | ||||
| -rw-r--r-- | arch/riscv/cpu/fu740/cache.c | 7 |
2 files changed, 24 insertions, 3 deletions
diff --git a/arch/riscv/cpu/fu740/Kconfig b/arch/riscv/cpu/fu740/Kconfig index a3e239f8b0..392a789806 100644 --- a/arch/riscv/cpu/fu740/Kconfig +++ b/arch/riscv/cpu/fu740/Kconfig @@ -42,7 +42,8 @@ config SIFIVE_FU740 config SIFIVE_FU740_L2CC_FLUSH bool "Support Level 2 Cache Controller Flush operation of SiFive fu740" -if SIFIVE_FU740_L2CC_FLUSH +menu "Level 2 Cache Controller Flush range" + depends on SIFIVE_FU740_L2CC_FLUSH config SIFIVE_FU740_L2CC_FLUSH_START hex "Level 2 Cache Flush operation start" @@ -52,4 +53,19 @@ config SIFIVE_FU740_L2CC_FLUSH_SIZE hex "Level 2 Cache Flush operation size" default 0x800000000 -endif # SIFIVE_FU740_L2CC_FLUSH +endmenu # SIFIVE_FU740_L2CC_FLUSH + +config SIFIVE_FU740_L2CC_WAYENABLE_DIY + bool "Config Level 2 Cache Controller: the largest way which has been enabled" + +menu "The index of the largest way" + depends on SIFIVE_FU740_L2CC_WAYENABLE_DIY + +config SIFIVE_FU740_L2CC_WAYENABLE_DIY_NUM + int "The index of the largest way which has been enabled for level 2 Cache " + default 1 + range 0 255 + help + Range[0, 255]. The index of the largest way which has been enabled. + +endmenu # SIFIVE_FU740_L2CC_WAYENABLE_DIY diff --git a/arch/riscv/cpu/fu740/cache.c b/arch/riscv/cpu/fu740/cache.c index f2070f84a7..501fc26275 100644 --- a/arch/riscv/cpu/fu740/cache.c +++ b/arch/riscv/cpu/fu740/cache.c @@ -52,7 +52,12 @@ int cache_enable_ways(void) /* memory barrier */ mb(); - (*enable) = ways - 1; +#if CONFIG_IS_ENABLED(SIFIVE_FU740_L2CC_WAYENABLE_DIY) + if (CONFIG_SIFIVE_FU740_L2CC_WAYENABLE_DIY_NUM < ways) + (*enable) = CONFIG_SIFIVE_FU740_L2CC_WAYENABLE_DIY_NUM; + else +#endif //SIFIVE_FU740_L2CC_WAYENABLE_DIY + (*enable) = ways - 1; /* memory barrier */ mb(); return 0; |