mpc83xx: Add MPC8360EMDS basic board support

Add support for the Freescale MPC8360EMDS board.
Includes DDR, DUART, Local Bus, PCI.

1 files changed, 110 insertions, 99 deletions

diff --git a/cpu/mpc83xx/speed.c b/cpu/mpc83xx/speed.c
index 412713f..31fcadd 100644
--- a/cpu/mpc83xx/speed.c
+++ b/cpu/mpc83xx/speed.c
@@ -2,7 +2,7 @@
  * (C) Copyright 2000-2002
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
- * Copyright 2004 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2006 Freescale Semiconductor, Inc.
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -104,79 +104,52 @@ int get_clocks (void)
 	u32 lcrr;
 
 	u32 csb_clk;
+#if defined(CONFIG_MPC8349)
 	u32 tsec1_clk;
 	u32 tsec2_clk;
-	u32 core_clk;
 	u32 usbmph_clk;
 	u32 usbdr_clk;
-	u32 i2c_clk;
+#endif
+	u32 core_clk;
+	u32 i2c1_clk;
+	u32 i2c2_clk;
 	u32 enc_clk;
 	u32 lbiu_clk;
 	u32 lclk_clk;
 	u32 ddr_clk;
+#if defined (CONFIG_MPC8360)
+	u32 qepmf;
+	u32 qepdf;
+	u32 ddr_sec_clk;
+	u32 qe_clk;
+	u32 brg_clk;
+#endif
 
 	if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im)
 		return -1;
 
-#ifndef CFG_HRCW_HIGH
-# error "CFG_HRCW_HIGH must be defined in board config file"
-#endif /* CFG_HCWD_HIGH */
-
-#if (CFG_HRCW_HIGH & HRCWH_PCI_HOST)
-
-# ifndef CONFIG_83XX_CLKIN
-#  error "In PCI Host Mode, CONFIG_83XX_CLKIN must be defined in board config file"
-# endif /* CONFIG_83XX_CLKIN */
-# ifdef CONFIG_83XX_PCICLK
-#  warning "In PCI Host Mode, CONFIG_83XX_PCICLK in board config file is igonred"
-# endif /* CONFIG_83XX_PCICLK */
-
-	/* PCI Host Mode */
-	if (!(im->reset.rcwh & RCWH_PCIHOST)) {
-		/* though RCWH_PCIHOST is defined in CFG_HRCW_HIGH
-		 * the im->reset.rcwhr PCI Host Mode is disabled
-		 * FIXME: findout if there is a way to issue some warning */
-		return -2;
-	}
-	if (im->clk.spmr & SPMR_CKID) {
-		/* PCI Clock is half CONFIG_83XX_CLKIN */
-		pci_sync_in = CONFIG_83XX_CLKIN / 2;
-	}
-	else {
-		pci_sync_in = CONFIG_83XX_CLKIN;
-	}
-
-#else /* (CFG_HRCW_HIGH & HRCWH_PCI_HOST) */
-
-# ifdef CONFIG_83XX_CLKIN
-#  warning "In PCI Agent Mode, CONFIG_83XX_CLKIN in board config file is igonred"
-# endif /* CONFIG_83XX_CLKIN */
-# ifndef CONFIG_83XX_PCICLK
-#  error "In PCI Agent Mode, CONFIG_83XX_PCICLK must be defined in board config file"
-# endif /* CONFIG_83XX_PCICLK */
+	clkin_div = ((im->clk.spmr & SPMR_CKID) >> SPMR_CKID_SHIFT);
 
-	/* PCI Agent Mode */
-	if (im->reset.rcwh & RCWH_PCIHOST) {
-		/* though RCWH_PCIHOST is not defined in CFG_HRCW_HIGH
-		 * the im->reset.rcwhr PCI Host Mode is enabled */
-		return -3;
+	if (im->reset.rcwh & HRCWH_PCI_HOST) {
+#if defined(CONFIG_83XX_CLKIN)
+		pci_sync_in = CONFIG_83XX_CLKIN / (1 + clkin_div);
+#else
+		pci_sync_in = 0xDEADBEEF;
+#endif
+	} else {
+#if defined(CONFIG_83XX_PCICLK)
+		pci_sync_in = CONFIG_83XX_PCICLK;
+#else
+		pci_sync_in = 0xDEADBEEF;
+#endif
 	}
-	pci_sync_in = CONFIG_83XX_PCICLK;
-
-#endif /* (CFG_HRCW_HIGH | RCWH_PCIHOST) */
 
-	/* we have up to date pci_sync_in */
 	spmf = ((im->reset.rcwl & RCWL_SPMF) >> RCWL_SPMF_SHIFT);
-	clkin_div = ((im->clk.spmr & SPMR_CKID) >> SPMR_CKID_SHIFT);
-
-	if ((im->reset.rcwl & RCWL_LBIUCM) || (im->reset.rcwl & RCWL_DDRCM)) {
-		csb_clk	= (pci_sync_in * spmf * (1 + clkin_div)) / 2;
-	}
-	else {
-		csb_clk = pci_sync_in * spmf * (1 + clkin_div);
-	}
+	csb_clk = pci_sync_in * (1 + clkin_div) * spmf;
 
 	sccr = im->clk.sccr;
+
+#if defined(CONFIG_MPC8349)
 	switch ((sccr & SCCR_TSEC1CM) >> SCCR_TSEC1CM_SHIFT) {
 	case 0:
 		tsec1_clk = 0;
@@ -212,25 +185,8 @@ int get_clocks (void)
 		/* unkown SCCR_TSEC2CM value */
 		return -5;
 	}
-	i2c_clk = tsec2_clk;
 
-	switch ((sccr & SCCR_ENCCM) >> SCCR_ENCCM_SHIFT) {
-	case 0:
-		enc_clk = 0;
-		break;
-	case 1:
-		enc_clk = csb_clk;
-		break;
-	case 2:
-		enc_clk = csb_clk / 2;
-		break;
-	case 3:
-		enc_clk = csb_clk / 3;
-		break;
-	default:
-		/* unkown SCCR_ENCCM value */
-		return -6;
-	}
+	i2c1_clk = tsec2_clk;
 
 	switch ((sccr & SCCR_USBMPHCM) >> SCCR_USBMPHCM_SHIFT) {
 	case 0:
@@ -274,8 +230,34 @@ int get_clocks (void)
 		/* if USB MPH clock is not disabled and USB DR clock is not disabled than USB MPH & USB DR must have the same rate */
 		return -9;
 	}
+#endif
+#if defined (CONFIG_MPC8360)
+	i2c1_clk = csb_clk;
+#endif
+	i2c2_clk = csb_clk; /* i2c-2 clk is equal to csb clk */
 
+	switch ((sccr & SCCR_ENCCM) >> SCCR_ENCCM_SHIFT) {
+	case 0:
+		enc_clk = 0;
+		break;
+	case 1:
+		enc_clk = csb_clk;
+		break;
+	case 2:
+		enc_clk = csb_clk / 2;
+		break;
+	case 3:
+		enc_clk = csb_clk / 3;
+		break;
+	default:
+		/* unkown SCCR_ENCCM value */
+		return -6;
+	}
+#if defined(CONFIG_MPC8349) || defined(CONFIG_MPC8360)
 	lbiu_clk = csb_clk * (1 + ((im->reset.rcwl & RCWL_LBIUCM) >> RCWL_LBIUCM_SHIFT));
+#else
+#error Unknown MPC83xx chip
+#endif
 	lcrr = (im->lbus.lcrr & LCRR_CLKDIV) >> LCRR_CLKDIV_SHIFT;
 	switch (lcrr) {
 	case 2:
@@ -287,10 +269,16 @@ int get_clocks (void)
 		/* unknown lcrr */
 		return -10;
 	}
-
+#if defined(CONFIG_MPC8349) || defined(CONFIG_MPC8360)
 	ddr_clk = csb_clk * (1 + ((im->reset.rcwl & RCWL_DDRCM) >> RCWL_DDRCM_SHIFT));
-
 	corepll = (im->reset.rcwl & RCWL_COREPLL) >> RCWL_COREPLL_SHIFT;
+#if defined (CONFIG_MPC8360)
+	ddr_sec_clk = csb_clk * (1 + ((im->reset.rcwl & RCWL_LBIUCM) >> RCWL_LBIUCM_SHIFT));
+#endif
+#else
+#error Unknown MPC83xx chip
+#endif
+
 	corecnf_tab_index = ((corepll & 0x1F) << 2) | ((corepll & 0x60) >> 5);
 	if (corecnf_tab_index > (sizeof(corecnf_tab)/sizeof(corecnf_t)) ) {
 		/* corecnf_tab_index is too high, possibly worng value */
@@ -319,22 +307,36 @@ int get_clocks (void)
 		return -12;
 	}
 
-	gd->csb_clk    = csb_clk   ;
-	gd->tsec1_clk  = tsec1_clk ;
-	gd->tsec2_clk  = tsec2_clk ;
-	gd->core_clk   = core_clk  ;
-	gd->usbmph_clk = usbmph_clk;
-	gd->usbdr_clk  = usbdr_clk ;
-	gd->i2c_clk    = i2c_clk   ;
-	gd->enc_clk    = enc_clk   ;
-	gd->lbiu_clk   = lbiu_clk  ;
-	gd->lclk_clk   = lclk_clk  ;
-	gd->ddr_clk    = ddr_clk   ;
-	gd->pci_clk    = pci_sync_in;
-
-	gd->cpu_clk = gd->core_clk;
-	gd->bus_clk = gd->lbiu_clk;
+#if defined (CONFIG_MPC8360)
+	qepmf = (im->reset.rcwl & RCWL_CEPMF) >> RCWL_CEPMF_SHIFT;
+	qepdf = (im->reset.rcwl & RCWL_CEPDF) >> RCWL_CEPDF_SHIFT;
+	qe_clk = (pci_sync_in * qepmf)/(1+qepdf);
+	brg_clk = qe_clk / 2;
+#endif
+
+	gd->csb_clk     = csb_clk;
+#if defined(CONFIG_MPC8349)
+	gd->tsec1_clk   = tsec1_clk;
+	gd->tsec2_clk   = tsec2_clk;
+	gd->usbmph_clk  = usbmph_clk;
+	gd->usbdr_clk   = usbdr_clk;
+#endif
+	gd->core_clk    = core_clk;
+	gd->i2c1_clk    = i2c1_clk;
+	gd->i2c2_clk    = i2c2_clk;
+	gd->enc_clk     = enc_clk;
+	gd->lbiu_clk    = lbiu_clk;
+	gd->lclk_clk    = lclk_clk;
+	gd->ddr_clk     = ddr_clk;
+#if defined (CONFIG_MPC8360)
+	gd->ddr_sec_clk = ddr_sec_clk;
+	gd->qe_clk      = qe_clk;
+	gd->brg_clk     = brg_clk;
+#endif
+	gd->cpu_clk     = gd->core_clk;
+	gd->bus_clk     = gd->csb_clk;
 	return 0;
+
 }
 
 ulong get_ddr_clk(ulong dummy)
@@ -357,14 +359,23 @@ int print_clock_conf (void)
 	printf("Clock configuration:\n");
 	printf("  Coherent System Bus: %4d MHz\n",gd->csb_clk/1000000);
 	printf("  Core:                %4d MHz\n",gd->core_clk/1000000);
-	debug("  Local Bus Controller:%4d MHz\n",gd->lbiu_clk/1000000);
+#if defined (CONFIG_MPC8360)
+	printf("  QE:                  %4d MHz\n",gd->qe_clk/1000000);
+#endif
+	printf("  Local Bus Controller:%4d MHz\n",gd->lbiu_clk/1000000);
 	printf("  Local Bus:           %4d MHz\n",gd->lclk_clk/1000000);
-	debug("  DDR:                 %4d MHz\n",gd->ddr_clk/1000000);
-	debug("  I2C:                 %4d MHz\n",gd->i2c_clk/1000000);
-	debug("  TSEC1:               %4d MHz\n",gd->tsec1_clk/1000000);
-	debug("  TSEC2:               %4d MHz\n",gd->tsec2_clk/1000000);
-	debug("  USB MPH:             %4d MHz\n",gd->usbmph_clk/1000000);
-	debug("  USB DR:              %4d MHz\n",gd->usbdr_clk/1000000);
-
+	printf("  DDR:                 %4d MHz\n",gd->ddr_clk/1000000);
+#if defined (CONFIG_MPC8360)
+	printf("  DDR Secondary:       %4d MHz\n",gd->ddr_sec_clk/1000000);
+#endif
+	printf("  SEC:                 %4d MHz\n",gd->enc_clk/1000000);
+	printf("  I2C1:                %4d MHz\n",gd->i2c1_clk/1000000);
+	printf("  I2C2:                %4d MHz\n",gd->i2c2_clk/1000000);
+#if defined(CONFIG_MPC8349)
+	printf("  TSEC1:               %4d MHz\n",gd->tsec1_clk/1000000);
+	printf("  TSEC2:               %4d MHz\n",gd->tsec2_clk/1000000);
+	printf("  USB MPH:             %4d MHz\n",gd->usbmph_clk/1000000);
+	printf("  USB DR:              %4d MHz\n",gd->usbdr_clk/1000000);
+#endif
 	return 0;
 }