Merge with http://opensource.freescale.com/pub/scm/u-boot-83xx.git

1 files changed, 161 insertions, 151 deletions

diff --git a/cpu/mpc83xx/speed.c b/cpu/mpc83xx/speed.c
index ad6b3f6..7e53b1e 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.
@@ -21,11 +21,6 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  * MA 02111-1307 USA
- *
- * Change log:
- *
- * 20050101: Eran Liberty (liberty@freescale.com)
- *           Initial file creating (porting from 85XX & 8260)
  */
 
 #include <common.h>
@@ -53,38 +48,38 @@ typedef enum {
 
 typedef struct {
 	mult_t core_csb_ratio;
-	mult_t  vco_divider;
+	mult_t vco_divider;
 } corecnf_t;
 
 corecnf_t corecnf_tab[] = {
-	{ _byp, _byp},	/* 0x00 */
-	{ _byp, _byp},	/* 0x01 */
-	{ _byp, _byp},	/* 0x02 */
-	{ _byp, _byp},	/* 0x03 */
-	{ _byp, _byp},	/* 0x04 */
-	{ _byp, _byp},	/* 0x05 */
-	{ _byp, _byp},	/* 0x06 */
-	{ _byp, _byp},	/* 0x07 */
-	{  _1x,  _x2},	/* 0x08 */
-	{  _1x,  _x4},	/* 0x09 */
-	{  _1x,  _x8},	/* 0x0A */
-	{  _1x,  _x8},	/* 0x0B */
-	{_1_5x,  _x2},	/* 0x0C */
-	{_1_5x,  _x4},	/* 0x0D */
-	{_1_5x,  _x8},	/* 0x0E */
-	{_1_5x,  _x8},	/* 0x0F */
-	{  _2x,  _x2},	/* 0x10 */
-	{  _2x,  _x4},	/* 0x11 */
-	{  _2x,  _x8},	/* 0x12 */
-	{  _2x,  _x8},	/* 0x13 */
-	{_2_5x,  _x2},	/* 0x14 */
-	{_2_5x,  _x4},	/* 0x15 */
-	{_2_5x,  _x8},	/* 0x16 */
-	{_2_5x,  _x8},	/* 0x17 */
-	{  _3x,  _x2},	/* 0x18 */
-	{  _3x,  _x4},	/* 0x19 */
-	{  _3x,  _x8},	/* 0x1A */
-	{  _3x,  _x8},	/* 0x1B */
+	{_byp, _byp},		/* 0x00 */
+	{_byp, _byp},		/* 0x01 */
+	{_byp, _byp},		/* 0x02 */
+	{_byp, _byp},		/* 0x03 */
+	{_byp, _byp},		/* 0x04 */
+	{_byp, _byp},		/* 0x05 */
+	{_byp, _byp},		/* 0x06 */
+	{_byp, _byp},		/* 0x07 */
+	{_1x, _x2},		/* 0x08 */
+	{_1x, _x4},		/* 0x09 */
+	{_1x, _x8},		/* 0x0A */
+	{_1x, _x8},		/* 0x0B */
+	{_1_5x, _x2},		/* 0x0C */
+	{_1_5x, _x4},		/* 0x0D */
+	{_1_5x, _x8},		/* 0x0E */
+	{_1_5x, _x8},		/* 0x0F */
+	{_2x, _x2},		/* 0x10 */
+	{_2x, _x4},		/* 0x11 */
+	{_2x, _x8},		/* 0x12 */
+	{_2x, _x8},		/* 0x13 */
+	{_2_5x, _x2},		/* 0x14 */
+	{_2_5x, _x4},		/* 0x15 */
+	{_2_5x, _x8},		/* 0x16 */
+	{_2_5x, _x8},		/* 0x17 */
+	{_3x, _x2},		/* 0x18 */
+	{_3x, _x4},		/* 0x19 */
+	{_3x, _x8},		/* 0x1A */
+	{_3x, _x8},		/* 0x1B */
 };
 
 /* ----------------------------------------------------------------- */
@@ -92,91 +87,64 @@ corecnf_t corecnf_tab[] = {
 /*
  *
  */
-int get_clocks (void)
+int get_clocks(void)
 {
-	volatile immap_t *im = (immap_t *)CFG_IMMRBAR;
+	volatile immap_t *im = (immap_t *) CFG_IMMR;
 	u32 pci_sync_in;
-	u8  spmf;
-	u8  clkin_div;
+	u8 spmf;
+	u8 clkin_div;
 	u32 sccr;
 	u32 corecnf_tab_index;
-	u8  corepll;
+	u8 corepll;
 	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 ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im)
+#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 +180,8 @@ 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:
@@ -268,14 +219,42 @@ int get_clocks (void)
 		return -8;
 	}
 
-	if (usbmph_clk != 0
-		&& usbdr_clk != 0
-		&& usbmph_clk != usbdr_clk ) {
-		/* if USB MPH clock is not disabled and USB DR clock is not disabled than USB MPH & USB DR must have the same rate */
+	if (usbmph_clk != 0 && usbdr_clk != 0 && usbmph_clk != usbdr_clk) {
+		/* if USB MPH clock is not disabled and
+		 * USB DR clock is not disabled then
+		 * 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 */
 
-	lbiu_clk = csb_clk * (1 + ((im->reset.rcwl & RCWL_LBIUCM) >> RCWL_LBIUCM_SHIFT));
+	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:
@@ -287,12 +266,20 @@ int get_clocks (void)
 		/* unknown lcrr */
 		return -10;
 	}
-
-	ddr_clk = csb_clk * (1 + ((im->reset.rcwl & RCWL_DDRCM) >> RCWL_DDRCM_SHIFT));
-
+#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)) ) {
+	if (corecnf_tab_index > (sizeof(corecnf_tab) / sizeof(corecnf_t))) {
 		/* corecnf_tab_index is too high, possibly worng value */
 		return -11;
 	}
@@ -309,7 +296,7 @@ int get_clocks (void)
 		core_clk = 2 * csb_clk;
 		break;
 	case _2_5x:
-		core_clk = ( 5 * csb_clk) / 2;
+		core_clk = (5 * csb_clk) / 2;
 		break;
 	case _3x:
 		core_clk = 3 * csb_clk;
@@ -319,46 +306,69 @@ 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  ;
+#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 ;
-	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->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->lbiu_clk;
+	gd->bus_clk = gd->csb_clk;
 	return 0;
+
 }
 
 /********************************************
  * get_bus_freq
  * return system bus freq in Hz
  *********************************************/
-ulong get_bus_freq (ulong dummy)
+ulong get_bus_freq(ulong dummy)
 {
 	return gd->csb_clk;
 }
 
-int print_clock_conf (void)
+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);
-	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("  Coherent System Bus: %4d MHz\n", gd->csb_clk / 1000000);
+	printf("  Core:                %4d MHz\n", gd->core_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);
+	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;
 }