diff options
| author | Joakim Tjernlund <Joakim.Tjernlund@transmode.se> | 2011-01-27 15:30:54 (GMT) |
|---|---|---|
| committer | Kim Phillips <kim.phillips@freescale.com> | 2011-02-05 23:06:57 (GMT) |
| commit | 26e5f794d3169080d89b57e64981a56e6a551da8 (patch) | |
| tree | 0fb27411a8858f9a46c329d8c6d9a1fb203ed6cf /arch/powerpc/cpu/mpc83xx/speed.c | |
| parent | 10fa8d7c703b564bcbdaa2345442e30483c01f98 (diff) | |
| download | u-boot-fsl-qoriq-26e5f794d3169080d89b57e64981a56e6a551da8.tar.xz | |
mpc83xx: Use correct register to calculate clocks.
Use SPMR instead of HRCWL when calculating clocks as HCRWL
may be changed and the CPU will not pick up all changes
until there is a POR. u-boot will think SPMF has changed and get
the clocks wrong.
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Diffstat (limited to 'arch/powerpc/cpu/mpc83xx/speed.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc83xx/speed.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/powerpc/cpu/mpc83xx/speed.c b/arch/powerpc/cpu/mpc83xx/speed.c index 93e9f1c..5e616dd 100644 --- a/arch/powerpc/cpu/mpc83xx/speed.c +++ b/arch/powerpc/cpu/mpc83xx/speed.c @@ -161,7 +161,7 @@ int get_clocks(void) #endif } - spmf = ((im->reset.rcwl & HRCWL_SPMF) >> HRCWL_SPMF_SHIFT); + spmf = (im->clk.spmr & SPMR_SPMF) >> SPMR_SPMF_SHIFT; csb_clk = pci_sync_in * (1 + clkin_div) * spmf; sccr = im->clk.sccr; @@ -392,7 +392,7 @@ int get_clocks(void) #endif lbiu_clk = csb_clk * - (1 + ((im->reset.rcwl & HRCWL_LBIUCM) >> HRCWL_LBIUCM_SHIFT)); + (1 + ((im->clk.spmr & SPMR_LBIUCM) >> SPMR_LBIUCM_SHIFT)); lcrr = (im->im_lbc.lcrr & LCRR_CLKDIV) >> LCRR_CLKDIV_SHIFT; switch (lcrr) { case 2: @@ -406,11 +406,12 @@ int get_clocks(void) } mem_clk = csb_clk * - (1 + ((im->reset.rcwl & HRCWL_DDRCM) >> HRCWL_DDRCM_SHIFT)); - corepll = (im->reset.rcwl & HRCWL_COREPLL) >> HRCWL_COREPLL_SHIFT; + (1 + ((im->clk.spmr & SPMR_DDRCM) >> SPMR_DDRCM_SHIFT)); + corepll = (im->clk.spmr & SPMR_COREPLL) >> SPMR_COREPLL_SHIFT; + #if defined(CONFIG_MPC8360) mem_sec_clk = csb_clk * (1 + - ((im->reset.rcwl & HRCWL_LBIUCM) >> HRCWL_LBIUCM_SHIFT)); + ((im->clk.spmr & SPMR_LBIUCM) >> SPMR_LBIUCM_SHIFT)); #endif corecnf_tab_index = ((corepll & 0x1F) << 2) | ((corepll & 0x60) >> 5); @@ -442,8 +443,8 @@ int get_clocks(void) } #if defined(CONFIG_MPC8360) || defined(CONFIG_MPC832x) - qepmf = (im->reset.rcwl & HRCWL_CEPMF) >> HRCWL_CEPMF_SHIFT; - qepdf = (im->reset.rcwl & HRCWL_CEPDF) >> HRCWL_CEPDF_SHIFT; + qepmf = (im->clk.spmr & SPMR_CEPMF) >> SPMR_CEPMF_SHIFT; + qepdf = (im->clk.spmr & SPMR_CEPDF) >> SPMR_CEPDF_SHIFT; qe_clk = (pci_sync_in * qepmf) / (1 + qepdf); brg_clk = qe_clk / 2; #endif |