From: Joachim Foerster Date: Thu, 20 Oct 2011 08:28:10 +0000 (+0200) Subject: nios2: Pseudo implement dcache_status/enable/disable() X-Git-Tag: v2011.12-rc1~159^2~3 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=f956ad98b2ba10901b6ea04983e679bc5ddc4d7a;p=u-boot nios2: Pseudo implement dcache_status/enable/disable() AFAIK the NIOS2 architecture does not have any possibility to dynamically switch off the data cache. So _status() always reports 1 and _enable/_disable() just issue a flush of everything. For example, common/cmd_elf.c depends on these symbols. Signed-off-by: Joachim Foerster Signed-off-by: Thomas Chou --- diff --git a/arch/nios2/cpu/cpu.c b/arch/nios2/cpu/cpu.c index ef360eecbb..edf256017a 100644 --- a/arch/nios2/cpu/cpu.c +++ b/arch/nios2/cpu/cpu.c @@ -24,6 +24,7 @@ #include #include #include +#include #if defined (CONFIG_SYS_NIOS_SYSID_BASE) extern void display_sysid (void); @@ -47,3 +48,18 @@ int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) nios2_callr(CONFIG_SYS_RESET_ADDR); return 0; } + +int dcache_status(void) +{ + return 1; +} + +void dcache_enable(void) +{ + flush_dcache(CONFIG_SYS_DCACHE_SIZE, CONFIG_SYS_DCACHELINE_SIZE); +} + +void dcache_disable(void) +{ + flush_dcache(CONFIG_SYS_DCACHE_SIZE, CONFIG_SYS_DCACHELINE_SIZE); +}