Patchwork [U-Boot,16/57] ppc: Move clock fields to arch_global_data

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Submitter Simon Glass
Date Nov. 16, 2012, 9:20 p.m.
Message ID <1353100842-20126-17-git-send-email-sjg@chromium.org>
Download mbox | patch
Permalink /patch/199750/
State Superseded, archived
Delegated to: Tom Rini
Headers show

Comments

Simon Glass - Nov. 16, 2012, 9:20 p.m.
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>
---
 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(-)

Patch

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;