ppc4xx: Big cleanup of PPC4xx defines

This patch cleans up multiple issues of the 4xx register (mostly
DCR, SDR, CPR, etc) definitions:

- Change lower case defines to upper case (plb4_acr -> PLB4_ACR)
- Change the defines to better match the names from the
  user's manuals (e.g. cprpllc -> CPR0_PLLC)
- Removal of some unused defines

Please test this patch intensive on your PPC4xx platform. Even though
I tried not to break anything and tested successfully on multiple
4xx AMCC platforms, testing on custom platforms is recommended.

Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/board/gdsys/gdppc440etx/gdppc440etx.c b/board/gdsys/gdppc440etx/gdppc440etx.c
index a661057..27c159b 100644
--- a/board/gdsys/gdppc440etx/gdppc440etx.c
+++ b/board/gdsys/gdppc440etx/gdppc440etx.c
@@ -42,8 +42,8 @@
 	/*
 	 * Setup the external bus controller/chip selects
 	 */
-	mfebc(xbcfg, reg);
-	mtebc(xbcfg, reg | 0x04000000);		/* Set ATC */
+	mfebc(EBC0_CFG, reg);
+	mtebc(EBC0_CFG, reg | 0x04000000);		/* Set ATC */
 
 	/*
 	 * Setup the GPIO pins
@@ -102,10 +102,10 @@
 	/*
 	 * Setup other serial configuration
 	 */
-	mfsdr(sdr_pci0, reg);
-	mtsdr(sdr_pci0, 0x80000000 | reg);	/* PCI arbiter enabled */
-	mtsdr(sdr_pfc0, 0x00003e00);	/* Pin function */
-	mtsdr(sdr_pfc1, 0x00048000);	/* Pin function: UART0 has 4 pins */
+	mfsdr(SDR0_PCI0, reg);
+	mtsdr(SDR0_PCI0, 0x80000000 | reg);	/* PCI arbiter enabled */
+	mtsdr(SDR0_PFC0, 0x00003e00);	/* Pin function */
+	mtsdr(SDR0_PFC1, 0x00048000);	/* Pin function: UART0 has 4 pins */
 
 	return 0;
 }
@@ -117,7 +117,7 @@
 	uint sz;
 
 	/* Re-do sizing to get full correct info */
-	mfebc(pb0cr, pbcr);
+	mfebc(PB0CR, pbcr);
 
 	if (gd->bd->bi_flashsize > 0x08000000)
 		panic("Max. flash banksize is 128 MB!\n");
@@ -127,7 +127,7 @@
 		sz <<= 1;
 
 	pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
-	mtebc(pb0cr, pbcr);
+	mtebc(PB0CR, pbcr);
 
 	/* adjust flash start and offset */
 	gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
@@ -178,35 +178,35 @@
 	 * Set priority for all PLB3 devices to 0.
 	 * Set PLB3 arbiter to fair mode.
 	 */
-	mfsdr(sdr_amp1, addr);
-	mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00);
-	addr = mfdcr(plb3_acr);
-	mtdcr(plb3_acr, addr | 0x80000000);
+	mfsdr(SD0_AMP1, addr);
+	mtsdr(SD0_AMP1, (addr & 0x000000FF) | 0x0000FF00);
+	addr = mfdcr(PLB3_ACR);
+	mtdcr(PLB3_ACR, addr | 0x80000000);
 
 	/*
 	 * Set priority for all PLB4 devices to 0.
 	 */
-	mfsdr(sdr_amp0, addr);
-	mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00);
-	addr = mfdcr(plb4_acr) | 0xa0000000;	/* Was 0x8---- */
-	mtdcr(plb4_acr, addr);
+	mfsdr(SD0_AMP0, addr);
+	mtsdr(SD0_AMP0, (addr & 0x000000FF) | 0x0000FF00);
+	addr = mfdcr(PLB4_ACR) | 0xa0000000;	/* Was 0x8---- */
+	mtdcr(PLB4_ACR, addr);
 
 	/*
 	 * Set Nebula PLB4 arbiter to fair mode.
 	 */
 	/* Segment0 */
-	addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair;
-	addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled;
-	addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep;
-	addr = (addr & ~plb0_acr_wrp_mask) | plb0_acr_wrp_2deep;
-	mtdcr(plb0_acr, addr);
+	addr = (mfdcr(PLB0_ACR) & ~PLB0_ACR_PPM_MASK) | PLB0_ACR_PPM_FAIR;
+	addr = (addr & ~PLB0_ACR_HBU_MASK) | PLB0_ACR_HBU_ENABLED;
+	addr = (addr & ~PLB0_ACR_RDP_MASK) | PLB0_ACR_RDP_4DEEP;
+	addr = (addr & ~PLB0_ACR_WRP_MASK) | PLB0_ACR_WRP_2DEEP;
+	mtdcr(PLB0_ACR, addr);
 
 	/* Segment1 */
-	addr = (mfdcr(plb1_acr) & ~plb1_acr_ppm_mask) | plb1_acr_ppm_fair;
-	addr = (addr & ~plb1_acr_hbu_mask) | plb1_acr_hbu_enabled;
-	addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep;
-	addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep;
-	mtdcr(plb1_acr, addr);
+	addr = (mfdcr(PLB1_ACR) & ~PLB1_ACR_PPM_MASK) | PLB1_ACR_PPM_FAIR;
+	addr = (addr & ~PLB1_ACR_HBU_MASK) | PLB1_ACR_HBU_ENABLED;
+	addr = (addr & ~PLB1_ACR_RDP_MASK) | PLB1_ACR_RDP_4DEEP;
+	addr = (addr & ~PLB1_ACR_WRP_MASK) | PLB1_ACR_WRP_2DEEP;
+	mtdcr(PLB1_ACR, addr);
 
 	/* enable 66 MHz ext. Clock */
 	out32(GPIO1_TCR, in32(GPIO1_TCR) | 0x00008000);