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| author | York Sun <yorksun@freescale.com> | 2013-06-25 11:37:41 -0700 |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2013-08-09 12:41:38 -0700 |
| commit | cb93071bb6da21d17dd7d7d414a389b380f959b2 (patch) | |
| tree | ef8cc19e0c01b00baeda237802d4b6b383d5e5f7 /arch/powerpc/cpu/mpc85xx/fdt.c | |
| parent | 7adefb55adf3e55f3788c3b9682ba91d29da2595 (diff) | |
| download | u-boot-imx-cb93071bb6da21d17dd7d7d414a389b380f959b2.zip u-boot-imx-cb93071bb6da21d17dd7d7d414a389b380f959b2.tar.gz u-boot-imx-cb93071bb6da21d17dd7d7d414a389b380f959b2.tar.bz2 | |
mpc85xx: Base emulator support
Prepare for emulator support for mpc85xx parts.
Disable DDR training and skip wrlvl_cntl_2 and wrlvl_cntl_3 registers.
These two registers improve stability but not supported by emulator.
Add CONFIG_FSL_TBCLK_EXTRA_DIV for possible adjustment to time base.
Signed-off-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/fdt.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/fdt.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c index cfaa2ed..84bb8fa 100644 --- a/arch/powerpc/cpu/mpc85xx/fdt.c +++ b/arch/powerpc/cpu/mpc85xx/fdt.c @@ -604,8 +604,12 @@ void ft_cpu_setup(void *blob, bd_t *bd) fdt_add_enet_stashing(blob); +#ifndef CONFIG_FSL_TBCLK_EXTRA_DIV +#define CONFIG_FSL_TBCLK_EXTRA_DIV 1 +#endif do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, - "timebase-frequency", get_tbclk(), 1); + "timebase-frequency", get_tbclk() / CONFIG_FSL_TBCLK_EXTRA_DIV, + 1); do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, "bus-frequency", bd->bi_busfreq, 1); get_sys_info(&sysinfo); |