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| author | Stefano Babic <sbabic@denx.de> | 2016-06-18 10:24:54 +0200 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2016-06-18 10:25:13 +0200 |
| commit | dc557e9a1fe00ca9d884bd88feef5bebf23fede4 (patch) | |
| tree | ec09fdf8f7c4c44e30f4b38b7459a2cbbb71d094 /arch/powerpc/cpu/mpc85xx/start.S | |
| parent | d2ba7a6adcef6e6f8c4418c7b0caf9d7ab98a6d4 (diff) | |
| parent | 6b3943f1b04be60f147ee540fbd72c4c7ea89f80 (diff) | |
| download | u-boot-dc557e9a1fe00ca9d884bd88feef5bebf23fede4.tar.gz u-boot-dc557e9a1fe00ca9d884bd88feef5bebf23fede4.tar.xz u-boot-dc557e9a1fe00ca9d884bd88feef5bebf23fede4.zip | |
Merge branch 'master' of git://git.denx.de/u-boot
Signed-off-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/start.S')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/start.S | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/start.S b/arch/powerpc/cpu/mpc85xx/start.S index 82a151a0d0..4c51225868 100644 --- a/arch/powerpc/cpu/mpc85xx/start.S +++ b/arch/powerpc/cpu/mpc85xx/start.S @@ -720,16 +720,39 @@ enable_l2_cluster_l2: ori r4, r4, (L2CSR0_L2FI|L2CSR0_L2LFC)@l sync stw r4, 0(r3) /* invalidate L2 */ + /* Poll till the bits are cleared */ 1: sync lwz r0, 0(r3) twi 0, r0, 0 isync and. r1, r0, r4 bne 1b + + /* L2PE must be set before L2 cache is enabled */ + lis r4, (L2CSR0_L2PE)@h + ori r4, r4, (L2CSR0_L2PE)@l + sync + stw r4, 0(r3) /* enable L2 parity/ECC error checking */ + /* Poll till the bit is set */ +1: sync + lwz r0, 0(r3) + twi 0, r0, 0 + isync + and. r1, r0, r4 + beq 1b + lis r4, (L2CSR0_L2E|L2CSR0_L2PE)@h ori r4, r4, (L2CSR0_L2REP_MODE)@l sync stw r4, 0(r3) /* enable L2 */ + /* Poll till the bit is set */ +1: sync + lwz r0, 0(r3) + twi 0, r0, 0 + isync + and. r1, r0, r4 + beq 1b + delete_ccsr_l2_tlb: delete_tlb0_entry 0, CONFIG_SYS_CCSRBAR + 0xC20000, MAS2_I|MAS2_G, r3 #endif |