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| author | Wolfgang Denk <wd@denx.de> | 2009-04-01 22:43:51 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2009-04-01 22:43:51 +0200 |
| commit | da72af8d727e74093e5fcb3e8599eb8d0df7a749 (patch) | |
| tree | 8937781ff72c3841e2352863e3060f0b1a1808ed /cpu/mpc85xx/cpu_init.c | |
| parent | c2eb8be7f760a2efe30a495bfb10857838dcf3fa (diff) | |
| parent | fc39c2fd51e64707de4d61ed49479ebea2847e1b (diff) | |
Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx
Diffstat (limited to 'cpu/mpc85xx/cpu_init.c')
| -rw-r--r-- | cpu/mpc85xx/cpu_init.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/cpu/mpc85xx/cpu_init.c b/cpu/mpc85xx/cpu_init.c index 0b7c6097154..c98dd8da58f 100644 --- a/cpu/mpc85xx/cpu_init.c +++ b/cpu/mpc85xx/cpu_init.c @@ -345,6 +345,19 @@ int cpu_init_r(void) asm("msync;isync"); puts("enabled\n"); } +#elif defined(CONFIG_BACKSIDE_L2_CACHE) + u32 l2cfg0 = mfspr(SPRN_L2CFG0); + + /* invalidate the L2 cache */ + mtspr(SPRN_L2CSR0, L2CSR0_L2FI); + while (mfspr(SPRN_L2CSR0) & L2CSR0_L2FI) + ; + + /* enable the cache */ + mtspr(SPRN_L2CSR0, CONFIG_SYS_INIT_L2CSR0); + + if (CONFIG_SYS_INIT_L2CSR0 & L2CSR0_L2E) + printf("%d KB enabled\n", (l2cfg0 & 0x3fff) * 64); #else puts("disabled\n"); #endif |