mpc83xx: unreinvent mem_clk

delete ddr_clk and use mem_clk instead.  Rename other ddr_*_clk to
mem_*_clk for consistency's sake.

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>

cpu/mpc83xx/spd_sdram.c

@@ -78,12 +78,12 @@ extern int dma_xfer(void *dest, uint count, void *src);
 int
 picos_to_clk(int picos)
 {
-	unsigned int ddr_bus_clk;
+	unsigned int mem_bus_clk;
 	int clks;
 
-	ddr_bus_clk = gd->ddr_clk >> 1;
-	clks = picos / (1000000000 / (ddr_bus_clk / 1000));
-	if (picos % (1000000000 / (ddr_bus_clk / 1000)) != 0)
+	mem_bus_clk = gd->mem_clk >> 1;
+	clks = picos / (1000000000 / (mem_bus_clk / 1000));
+	if (picos % (1000000000 / (mem_bus_clk / 1000)) != 0)
 		clks++;
 
 	return clks;
@@ -313,7 +313,7 @@ long int spd_sdram()
 
 	debug("DDR:Module maximum data rate is: %dMhz\n", max_data_rate);
 
-	ddrc_clk = gd->ddr_clk / 1000000;
+	ddrc_clk = gd->mem_clk / 1000000;
 	effective_data_rate = 0;
 
 	if (max_data_rate >= 390 && max_data_rate < 460) { /* it is DDR 400 */

cpu/mpc83xx/speed.c

@@ -122,9 +122,9 @@ int get_clocks(void)
 	u32 enc_clk;
 	u32 lbiu_clk;
 	u32 lclk_clk;
-	u32 ddr_clk;
+	u32 mem_clk;
 #if defined(CONFIG_MPC8360)
-	u32 ddr_sec_clk;
+	u32 mem_sec_clk;
 #endif
 #if defined(CONFIG_MPC8360) || defined(CONFIG_MPC832X)
 	u32 qepmf;
@@ -400,11 +400,11 @@ int get_clocks(void)
 		return -12;
 	}
 
-	ddr_clk = csb_clk *
+	mem_clk = csb_clk *
 		  (1 + ((im->reset.rcwl & HRCWL_DDRCM) >> HRCWL_DDRCM_SHIFT));
 	corepll = (im->reset.rcwl & HRCWL_COREPLL) >> HRCWL_COREPLL_SHIFT;
 #if defined(CONFIG_MPC8360)
-	ddr_sec_clk = csb_clk * (1 +
+	mem_sec_clk = csb_clk * (1 +
 		       ((im->reset.rcwl & HRCWL_LBIUCM) >> HRCWL_LBIUCM_SHIFT));
 #endif
 
@@ -466,9 +466,9 @@ int get_clocks(void)
 	gd->enc_clk = enc_clk;
 	gd->lbiu_clk = lbiu_clk;
 	gd->lclk_clk = lclk_clk;
-	gd->ddr_clk = ddr_clk;
+	gd->mem_clk = mem_clk;
 #if defined(CONFIG_MPC8360)
-	gd->ddr_sec_clk = ddr_sec_clk;
+	gd->mem_sec_clk = mem_sec_clk;
 #endif
 #if defined(CONFIG_MPC8360) || defined(CONFIG_MPC832X)
 	gd->qe_clk = qe_clk;
@@ -508,9 +508,9 @@ int do_clocks (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 #endif
 	printf("  Local Bus Controller:%4d MHz\n", gd->lbiu_clk / 1000000);
 	printf("  Local Bus:           %4d MHz\n", gd->lclk_clk / 1000000);
-	printf("  DDR:                 %4d MHz\n", gd->ddr_clk / 1000000);
+	printf("  DDR:                 %4d MHz\n", gd->mem_clk / 1000000);
 #if defined(CONFIG_MPC8360)
-	printf("  DDR Secondary:       %4d MHz\n", gd->ddr_sec_clk / 1000000);
+	printf("  DDR Secondary:       %4d MHz\n", gd->mem_sec_clk / 1000000);
 #endif
 	printf("  SEC:                 %4d MHz\n", gd->enc_clk / 1000000);
 	printf("  I2C1:                %4d MHz\n", gd->i2c1_clk / 1000000);

include/asm-ppc/global_data.h

@@ -74,7 +74,6 @@ typedef	struct	global_data {
 	u32 enc_clk;
 	u32 lbiu_clk;
 	u32 lclk_clk;
-	u32 ddr_clk;
 	u32 pci_clk;
 #if defined(CONFIG_MPC837X)
 	u32 pciexp1_clk;
@@ -84,7 +83,7 @@ typedef	struct	global_data {
 	u32 sata_clk;
 #endif
 #if defined(CONFIG_MPC8360)
-	u32  ddr_sec_clk;
+	u32  mem_sec_clk;
 #endif /* CONFIG_MPC8360 */
 #endif
 #if defined(CONFIG_MPC83XX) || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)