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| author | wdenk <wdenk> | 2004-01-24 20:25:54 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2004-01-24 20:25:54 +0000 |
| commit | c178d3da6f1ac765cd880530a0672540b415a01c (patch) | |
| tree | 67e3b8e9a791d2ec97798239b5abba15e0cb5aaf /cpu/mpc8xx/cpu_init.c | |
| parent | ef978730dcb3e7e398fe9b57633f3f67260c1bbc (diff) | |
| download | u-boot-imx-c178d3da6f1ac765cd880530a0672540b415a01c.zip u-boot-imx-c178d3da6f1ac765cd880530a0672540b415a01c.tar.gz u-boot-imx-c178d3da6f1ac765cd880530a0672540b415a01c.tar.bz2 | |
* Add variable CPU clock for MPC859/866 systems (so far only TQM866M):
see doc/README.MPC866 for details;
implement workaround for "SIU4" and "SIU9" silicon bugs on MPC866;
calculate CPU clock frequency from PLL register values.
* Add support for 128 MB RAM on TQM8xxL/M modules
Diffstat (limited to 'cpu/mpc8xx/cpu_init.c')
| -rw-r--r-- | cpu/mpc8xx/cpu_init.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/cpu/mpc8xx/cpu_init.c b/cpu/mpc8xx/cpu_init.c index cbf2126..c7716dd 100644 --- a/cpu/mpc8xx/cpu_init.c +++ b/cpu/mpc8xx/cpu_init.c @@ -42,7 +42,9 @@ void cpu_init_f (volatile immap_t * immr) { #ifndef CONFIG_MBX volatile memctl8xx_t *memctl = &immr->im_memctl; +# ifdef CFG_PLPRCR ulong mfmask; +# endif #endif ulong reg; @@ -92,6 +94,7 @@ void cpu_init_f (volatile immap_t * immr) * * For newer (starting MPC866) chips PLPRCR layout is different. */ +#ifdef CFG_PLPRCR if (get_immr(0xFFFF) >= MPC8xx_NEW_CLK) mfmask = PLPRCR_MFACT_MSK; else @@ -105,6 +108,7 @@ void cpu_init_f (volatile immap_t * immr) reg |= CFG_PLPRCR; /* reset control bits */ } immr->im_clkrst.car_plprcr = reg; +#endif /* * Memory Controller: |