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| author | Wolfgang Denk <wd@denx.de> | 2009-05-16 10:47:43 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2009-06-12 20:47:16 +0200 |
| commit | 843efb1192cc8fd4f904a23dbab4e0fe3e1c5bc2 (patch) | |
| tree | 8fef341b4b1a8a234f881444c237c243098e372d /cpu/mpc512x/speed.c | |
| parent | 19dc7e179268be148e550c36203208c662610d76 (diff) | |
| download | u-boot-imx-843efb1192cc8fd4f904a23dbab4e0fe3e1c5bc2.zip u-boot-imx-843efb1192cc8fd4f904a23dbab4e0fe3e1c5bc2.tar.gz u-boot-imx-843efb1192cc8fd4f904a23dbab4e0fe3e1c5bc2.tar.bz2 | |
MPC512x: use I/O accessors instead of pointer accesses
This commit changes the MPC512x code to use I/O accessor calls (i.e.
out_*() and in_*()) instead of using deprecated pointer accesses.
Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: John Rigby <jcrigby@gmail.com>
Diffstat (limited to 'cpu/mpc512x/speed.c')
| -rw-r--r-- | cpu/mpc512x/speed.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/cpu/mpc512x/speed.c b/cpu/mpc512x/speed.c index 1f90862..0fec004 100644 --- a/cpu/mpc512x/speed.c +++ b/cpu/mpc512x/speed.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2000-2007 + * (C) Copyright 2000-2009 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * Copyright (C) 2004-2006 Freescale Semiconductor, Inc. @@ -28,6 +28,7 @@ #include <common.h> #include <mpc512x.h> #include <command.h> +#include <asm/io.h> #include <asm/processor.h> DECLARE_GLOBAL_DATA_PTR; @@ -75,29 +76,37 @@ int get_clocks (void) u32 csb_clk; u32 ips_clk; u32 pci_clk; + u32 reg; - if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im) + reg = in_be32(&im->sysconf.immrbar); + if ((reg & IMMRBAR_BASE_ADDR) != (u32) im) return -1; - spmf = (im->clk.spmr & SPMR_SPMF) >> SPMR_SPMF_SHIFT; + reg = in_be32(&im->clk.spmr); + spmf = (reg & SPMR_SPMF) >> SPMR_SPMF_SHIFT; spll = ref_clk * spmf_mult[spmf]; - sys_div = (im->clk.scfr[1] & SCFR2_SYS_DIV) >> SCFR2_SYS_DIV_SHIFT; + reg = in_be32(&im->clk.scfr[1]); + sys_div = (reg & SCFR2_SYS_DIV) >> SCFR2_SYS_DIV_SHIFT; sys_clk = (spll * sys_dividors[sys_div][1]) / sys_dividors[sys_div][0]; csb_clk = sys_clk / 2; - cpmf = (im->clk.spmr & SPMR_CPMF) >> SPMR_CPMF_SHIFT; + reg = in_be32(&im->clk.spmr); + cpmf = (reg & SPMR_CPMF) >> SPMR_CPMF_SHIFT; core_clk = (csb_clk * cpmf_mult[cpmf][0]) / cpmf_mult[cpmf][1]; - ips_div = (im->clk.scfr[0] & SCFR1_IPS_DIV_MASK) >> SCFR1_IPS_DIV_SHIFT; + reg = in_be32(&im->clk.scfr[0]); + ips_div = (reg & SCFR1_IPS_DIV_MASK) >> SCFR1_IPS_DIV_SHIFT; if (ips_div != 0) { ips_clk = csb_clk / ips_div; } else { /* in case we cannot get a sane IPS divisor, fail gracefully */ ips_clk = 0; } - pci_div = (im->clk.scfr[0] & SCFR1_PCI_DIV_MASK) >> SCFR1_PCI_DIV_SHIFT; + + reg = in_be32(&im->clk.scfr[0]); + pci_div = (reg & SCFR1_PCI_DIV_MASK) >> SCFR1_PCI_DIV_SHIFT; if (pci_div != 0) { pci_clk = csb_clk / pci_div; } else { |