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| author | Graeme Russ <graeme.russ@gmail.com> | 2011-02-12 15:12:12 +1100 |
|---|---|---|
| committer | Graeme Russ <graeme.russ@gmail.com> | 2011-02-12 15:12:12 +1100 |
| commit | 6002bf03b4965053d7112c4ea2125d0b6548b0e9 (patch) | |
| tree | ff1d9230aa99437f62ab0c32febcbb92fb774fbd /arch/i386/cpu | |
| parent | e4f78d78d7b710243c9953cc86fd75055d59ebf9 (diff) | |
| download | u-boot-imx-6002bf03b4965053d7112c4ea2125d0b6548b0e9.zip u-boot-imx-6002bf03b4965053d7112c4ea2125d0b6548b0e9.tar.gz u-boot-imx-6002bf03b4965053d7112c4ea2125d0b6548b0e9.tar.bz2 | |
sc520: Release CAR and enable caching
Diffstat (limited to 'arch/i386/cpu')
| -rw-r--r-- | arch/i386/cpu/sc520/sc520.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/arch/i386/cpu/sc520/sc520.c b/arch/i386/cpu/sc520/sc520.c index e5dcac6..d0c313b 100644 --- a/arch/i386/cpu/sc520/sc520.c +++ b/arch/i386/cpu/sc520/sc520.c @@ -51,14 +51,20 @@ int cpu_init_f(void) "popl %%ecx\n" "loop 0b\n": : : "ecx"); - if (gd->flags & GD_FLG_COLD_BOOT) { - /* turn on the SDRAM write buffer */ - writeb(0x11, &sc520_mmcr->dbctl); - } - return x86_cpu_init_f(); } +int cpu_init_r(void) +{ + /* Disable the PAR used for CAR */ + writel(0x0000000, &sc520_mmcr->par[2]); + + /* turn on the SDRAM write buffer */ + writeb(0x11, &sc520_mmcr->dbctl); + + return x86_cpu_init_r(); +} + #ifdef CONFIG_SYS_SC520_RESET void reset_cpu(ulong addr) { |