From 843efb1192cc8fd4f904a23dbab4e0fe3e1c5bc2 Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Sat, 16 May 2009 10:47:43 +0200 Subject: 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 Cc: John Rigby --- cpu/mpc512x/speed.c | 23 ++++++++++++++++------- 1 file changed, 16 insertions(+), 7 deletions(-) (limited to 'cpu/mpc512x/speed.c') 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 #include #include +#include #include 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 { -- cgit v1.1