[U-Boot] [PATCH v2 17/58] ppc: Move clock fields to arch_global_data

Simon Glass
2012-12-14T06:48:46Z

Move vco_out, cpm_clk, scc_clk, brg_clk into arch_global_data and tidy
up. Leave pci_clk on its own since this should really depend only on
CONFIG_PCI and not any particular chip type.

Signed-off-by: Simon Glass <sjg@chromium.org>
---
Changes in v2: None

arch/powerpc/cpu/mpc8260/speed.c | 16 ++++++++--------
arch/powerpc/cpu/mpc85xx/speed.c | 8 ++++----
arch/powerpc/include/asm/global_data.h | 4 ++++
arch/powerpc/lib/board.c | 6 +++---
4 files changed, 19 insertions(+), 15 deletions(-)

diff --git a/arch/powerpc/cpu/mpc8260/speed.c b/arch/powerpc/cpu/mpc8260/speed.c
index 4ad1ec2..7841e8a 100644
--- a/arch/powerpc/cpu/mpc8260/speed.c
+++ b/arch/powerpc/cpu/mpc8260/speed.c
@@ -135,17 +135,17 @@ int get_clocks (void)
(get_pvr () == PVR_8260_HIP7R1) ||
(get_pvr () == PVR_8260_HIP7RA)) {
pllmf = (scmr & SCMR_PLLMF_MSKH7) >> SCMR_PLLMF_SHIFT;
- gd->vco_out = clkin * (pllmf + 1);
+ gd->arch.vco_out = clkin * (pllmf + 1);
} else { /* HiP3, HiP4 */
pllmf = (scmr & SCMR_PLLMF_MSK) >> SCMR_PLLMF_SHIFT;
plldf = (scmr & SCMR_PLLDF) ? 1 : 0;
- gd->vco_out = (clkin * 2 * (pllmf + 1)) / (plldf + 1);
+ gd->arch.vco_out = (clkin * 2 * (pllmf + 1)) / (plldf + 1);
}

- gd->cpm_clk = gd->vco_out / 2;
+ gd->arch.cpm_clk = gd->arch.vco_out / 2;
gd->bus_clk = clkin;
- gd->scc_clk = gd->vco_out / 4;
- gd->arch.brg_clk = gd->vco_out / (1 << (2 * (dfbrg + 1)));
+ gd->arch.scc_clk = gd->arch.vco_out / 4;
+ gd->arch.brg_clk = gd->arch.vco_out / (1 << (2 * (dfbrg + 1)));

if (cp->b2c_mult > 0) {
gd->cpu_clk = (clkin * cp->b2c_mult) / 2;
@@ -173,7 +173,7 @@ int get_clocks (void)
pci_div = pcidf + 1;
}

- gd->pci_clk = (gd->cpm_clk * 2) / pci_div;
+ gd->pci_clk = (gd->arch.cpm_clk * 2) / pci_div;
}
#endif

@@ -231,10 +231,10 @@ int prt_8260_clks (void)
plldf, pllmf, pcidf);

printf (" - vco_out %10ld, scc_clk %10ld, brg_clk %10ld\n",
- gd->vco_out, gd->scc_clk, gd->arch.brg_clk);
+ gd->arch.vco_out, gd->arch.scc_clk, gd->arch.brg_clk);

printf (" - cpu_clk %10ld, cpm_clk %10ld, bus_clk %10ld\n",
- gd->cpu_clk, gd->cpm_clk, gd->bus_clk);
+ gd->cpu_clk, gd->arch.cpm_clk, gd->bus_clk);
#ifdef CONFIG_PCI
printf (" - pci_clk %10ld\n", gd->pci_clk);
#endif
diff --git a/arch/powerpc/cpu/mpc85xx/speed.c b/arch/powerpc/cpu/mpc85xx/speed.c
index 8a581ef..c4ca481 100644
--- a/arch/powerpc/cpu/mpc85xx/speed.c
+++ b/arch/powerpc/cpu/mpc85xx/speed.c
@@ -435,10 +435,10 @@ int get_clocks (void)
#endif /* defined(CONFIG_FSL_ESDHC) */

#if defined(CONFIG_CPM2)
- gd->vco_out = 2*sys_info.freqSystemBus;
- gd->cpm_clk = gd->vco_out / 2;
- gd->scc_clk = gd->vco_out / 4;
- gd->arch.brg_clk = gd->vco_out / (1 << (2 * (dfbrg + 1)));
+ gd->arch.vco_out = 2*sys_info.freqSystemBus;
+ gd->arch.cpm_clk = gd->arch.vco_out / 2;
+ gd->arch.scc_clk = gd->arch.vco_out / 4;
+ gd->arch.brg_clk = gd->arch.vco_out / (1 << (2 * (dfbrg + 1)));
#endif

if(gd->cpu_clk != 0) return (0);
diff --git a/arch/powerpc/include/asm/global_data.h b/arch/powerpc/include/asm/global_data.h
index 8e3a726..7d0115d 100644
--- a/arch/powerpc/include/asm/global_data.h
+++ b/arch/powerpc/include/asm/global_data.h
@@ -33,6 +33,10 @@ struct arch_global_data {
unsigned long brg_clk;
#endif
#if defined(CONFIG_CPM2)
+ /* There are many clocks on the MPC8260 - see page 9-5 */
+ unsigned long vco_out;
+ unsigned long cpm_clk;
+ unsigned long scc_clk;
unsigned long brg_clk;
#endif
#if defined(CONFIG_QE)
diff --git a/arch/powerpc/lib/board.c b/arch/powerpc/lib/board.c
index 4174a73..517560a 100644
--- a/arch/powerpc/lib/board.c
+++ b/arch/powerpc/lib/board.c
@@ -580,10 +580,10 @@ void board_init_f(ulong bootflag)
bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
#if defined(CONFIG_CPM2)
- bd->bi_cpmfreq = gd->cpm_clk;
+ bd->bi_cpmfreq = gd->arch.cpm_clk;
bd->bi_brgfreq = gd->arch.brg_clk;
- bd->bi_sccfreq = gd->scc_clk;
- bd->bi_vco = gd->vco_out;
+ bd->bi_sccfreq = gd->arch.scc_clk;
+ bd->bi_vco = gd->arch.vco_out;
#endif /* CONFIG_CPM2 */
#if defined(CONFIG_MPC512X)
bd->bi_ipsfreq = gd->ips_clk;
--
1.7.7.3