ppc: Move mpc512x clocks to arch_global_data

Move ips_clk and csb_clk into arch_global_data and tidy up.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/powerpc/cpu/mpc512x/cpu.c b/arch/powerpc/cpu/mpc512x/cpu.c
index a1a3bd4..641120f 100644
--- a/arch/powerpc/cpu/mpc512x/cpu.c
+++ b/arch/powerpc/cpu/mpc512x/cpu.c
@@ -68,7 +68,7 @@
 	}
 	printf ("at %s MHz, CSB at %s MHz (RSR=0x%04lx)\n",
 		strmhz(buf1, clock),
-		strmhz(buf2, gd->csb_clk),
+		strmhz(buf2, gd->arch.csb_clk),
 		gd->reset_status & 0xffff);
 	return 0;
 }
diff --git a/arch/powerpc/cpu/mpc512x/i2c.c b/arch/powerpc/cpu/mpc512x/i2c.c
index 0ea1280..59040f8 100644
--- a/arch/powerpc/cpu/mpc512x/i2c.c
+++ b/arch/powerpc/cpu/mpc512x/i2c.c
@@ -250,7 +250,7 @@
 			{126, 128}
 		};
 
-		ips = gd->ips_clk;
+		ips = gd->arch.ips_clk;
 		for (i = 7; i >= 0; i--) {
 			for (j = 7; j >= 0; j--) {
 				scl = 2 * (scltap[j].scl2tap +
diff --git a/arch/powerpc/cpu/mpc512x/ide.c b/arch/powerpc/cpu/mpc512x/ide.c
index dd6b2f4..7a49673 100644
--- a/arch/powerpc/cpu/mpc512x/ide.c
+++ b/arch/powerpc/cpu/mpc512x/ide.c
@@ -100,7 +100,7 @@
 	ide_set_reset(0);
 
 	/* Init timings : we use PIO mode 0 timings */
-	t = 1000000000 / gd->ips_clk;	/* period in ns */
+	t = 1000000000 / gd->arch.ips_clk;	/* period in ns */
 	cfg.bytes.field1 = 3;
 	cfg.bytes.field2 = 3;
 	cfg.bytes.field3 = (pio_specs.t1 + t) / t;
diff --git a/arch/powerpc/cpu/mpc512x/serial.c b/arch/powerpc/cpu/mpc512x/serial.c
index 58587fd..3afbe81 100644
--- a/arch/powerpc/cpu/mpc512x/serial.c
+++ b/arch/powerpc/cpu/mpc512x/serial.c
@@ -140,7 +140,7 @@
 	}
 
 	/* calculate divisor for setting PSC CTUR and CTLR registers */
-	baseclk = (gd->ips_clk + 8) / 16;
+	baseclk = (gd->arch.ips_clk + 8) / 16;
 	div = (baseclk + (baudrate / 2)) / baudrate;
 
 	out_8(&psc->ctur, (div >> 8) & 0xff);
diff --git a/arch/powerpc/cpu/mpc512x/speed.c b/arch/powerpc/cpu/mpc512x/speed.c
index 9d749f2..9a8f315 100644
--- a/arch/powerpc/cpu/mpc512x/speed.c
+++ b/arch/powerpc/cpu/mpc512x/speed.c
@@ -113,9 +113,9 @@
 		pci_clk = 333333;
 	}
 
-	gd->ips_clk = ips_clk;
+	gd->arch.ips_clk = ips_clk;
 	gd->pci_clk = pci_clk;
-	gd->csb_clk = csb_clk;
+	gd->arch.csb_clk = csb_clk;
 	gd->cpu_clk = core_clk;
 	gd->bus_clk = csb_clk;
 	return 0;
@@ -128,7 +128,7 @@
  *********************************************/
 ulong get_bus_freq (ulong dummy)
 {
-	return gd->csb_clk;
+	return gd->arch.csb_clk;
 }
 
 int do_clocks (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
@@ -137,10 +137,13 @@
 
 	printf("Clock configuration:\n");
 	printf("  CPU:                 %-4s MHz\n", strmhz(buf, gd->cpu_clk));
-	printf("  Coherent System Bus: %-4s MHz\n", strmhz(buf, gd->csb_clk));
-	printf("  IPS Bus:             %-4s MHz\n", strmhz(buf, gd->ips_clk));
+	printf("  Coherent System Bus: %-4s MHz\n",
+	       strmhz(buf, gd->arch.csb_clk));
+	printf("  IPS Bus:             %-4s MHz\n",
+	       strmhz(buf, gd->arch.ips_clk));
 	printf("  PCI:                 %-4s MHz\n", strmhz(buf, gd->pci_clk));
-	printf("  DDR:                 %-4s MHz\n", strmhz(buf, 2*gd->csb_clk));
+	printf("  DDR:                 %-4s MHz\n",
+	       strmhz(buf, 2 * gd->arch.csb_clk));
 	return 0;
 }
 
diff --git a/arch/powerpc/include/asm/global_data.h b/arch/powerpc/include/asm/global_data.h
index 423e792..fa5c504 100644
--- a/arch/powerpc/include/asm/global_data.h
+++ b/arch/powerpc/include/asm/global_data.h
@@ -97,6 +97,10 @@
 #if defined(CONFIG_MPC5xxx)
 	unsigned long ipb_clk;
 #endif
+#if defined(CONFIG_MPC512X)
+	u32 ips_clk;
+	u32 csb_clk;
+#endif /* CONFIG_MPC512X */
 };
 
 /*
@@ -119,10 +123,6 @@
 #if defined(CONFIG_FSL_ESDHC)
 	u32 sdhc_clk;
 #endif
-#if defined(CONFIG_MPC512X)
-	u32 ips_clk;
-	u32 csb_clk;
-#endif /* CONFIG_MPC512X */
 #if defined(CONFIG_MPC8220)
 	unsigned long   bExtUart;
 	unsigned long   inp_clk;
diff --git a/arch/powerpc/lib/board.c b/arch/powerpc/lib/board.c
index 63118a3..3190468 100644
--- a/arch/powerpc/lib/board.c
+++ b/arch/powerpc/lib/board.c
@@ -586,7 +586,7 @@
 	bd->bi_vco = gd->arch.vco_out;
 #endif /* CONFIG_CPM2 */
 #if defined(CONFIG_MPC512X)
-	bd->bi_ipsfreq = gd->ips_clk;
+	bd->bi_ipsfreq = gd->arch.ips_clk;
 #endif /* CONFIG_MPC512X */
 #if defined(CONFIG_MPC5xxx)
 	bd->bi_ipbfreq = gd->arch.ipb_clk;