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| author | Dave Liu <daveliu@freescale.com> | 2009-10-22 00:10:23 -0500 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2009-10-26 21:24:51 -0500 |
| commit | 654ea1f3184235694306ddc5874baa27ad3018fe (patch) | |
| tree | 76a5c116bcc6314f536c7ef68288d950810fe250 /cpu | |
| parent | 613ad28c3da4c7fc6336ef9d94993b25a5d0586e (diff) | |
| download | u-boot-imx-654ea1f3184235694306ddc5874baa27ad3018fe.zip u-boot-imx-654ea1f3184235694306ddc5874baa27ad3018fe.tar.gz u-boot-imx-654ea1f3184235694306ddc5874baa27ad3018fe.tar.bz2 | |
ppc/85xx: Make L2 support more robust
According the user manual, we need loop-check the L2 enable bit set.
Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/mpc85xx/cpu_init.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/cpu/mpc85xx/cpu_init.c b/cpu/mpc85xx/cpu_init.c index 5336934..0041a60 100644 --- a/cpu/mpc85xx/cpu_init.c +++ b/cpu/mpc85xx/cpu_init.c @@ -360,8 +360,11 @@ int cpu_init_r(void) /* enable the cache */ mtspr(SPRN_L2CSR0, CONFIG_SYS_INIT_L2CSR0); - if (CONFIG_SYS_INIT_L2CSR0 & L2CSR0_L2E) + if (CONFIG_SYS_INIT_L2CSR0 & L2CSR0_L2E) { + while (!(mfspr(SPRN_L2CSR0) & L2CSR0_L2E)) + ; printf("%d KB enabled\n", (l2cfg0 & 0x3fff) * 64); + } #else puts("disabled\n"); #endif |