arch/powerpc/cpu/mpc8xxx/fdt.c - github/trini/u-boot - Gitiles

 /*
  * Copyright 2009-2011 Freescale Semiconductor, Inc.
  *
  * This file is derived from arch/powerpc/cpu/mpc85xx/cpu.c and
  * arch/powerpc/cpu/mpc86xx/cpu.c. Basically this file contains
  * cpu specific common code for 85xx/86xx processors.
  * See file CREDITS for list of people who contributed to this
  * project.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
  * published by the Free Software Foundation; either version 2 of
  * the License, or (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  * MA 02111-1307 USA
  */

 #include <common.h>
 #include <libfdt.h>
 #include <fdt_support.h>
 #include <asm/mp.h>
 #include <asm/fsl_enet.h>
 #include <asm/fsl_serdes.h>

 #if defined(CONFIG_MP) && (defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx))
 static int ft_del_cpuhandle(void *blob, int cpuhandle)
 {
 	int off, ret = -FDT_ERR_NOTFOUND;

 	/* if we find a match, we'll delete at it which point the offsets are
 	 * invalid so we start over from the beginning
 	 */
 	off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
 						&cpuhandle, 4);
 	while (off != -FDT_ERR_NOTFOUND) {
 		fdt_delprop(blob, off, "cpu-handle");
 		ret = 1;
 		off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
 				&cpuhandle, 4);
 	}

 	return ret;
 }

 void ft_fixup_num_cores(void *blob) {
 	int off, num_cores, del_cores;

 	del_cores = 0;
 	num_cores = cpu_numcores();

 	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
 	while (off != -FDT_ERR_NOTFOUND) {
 		u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);

 		if ((*reg > num_cores-1) || (is_core_disabled(*reg))) {
 			int ph = fdt_get_phandle(blob, off);

 			/* Delete the cpu node once there are no cpu handles */
 			if (-FDT_ERR_NOTFOUND == ft_del_cpuhandle(blob, ph)) {
 				fdt_del_node(blob, off);
 				del_cores++;
 			}
 			/* either we deleted some cpu handles or the cpu node
 			 * so we reset the offset back to the start since we
 			 * can't trust the offsets anymore
 			 */
 			off = -1;
 		}
 		off = fdt_node_offset_by_prop_value(blob, off,
 				"device_type", "cpu", 4);
 	}
 	debug ("%x core system found\n", num_cores);
 	debug ("deleted %d extra core entry entries from device tree\n",
 								del_cores);
 }
 #endif /* defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) */

 #ifdef CONFIG_HAS_FSL_DR_USB
 void fdt_fixup_dr_usb(void *blob, bd_t *bd)
 {
 	char *mode;
 	char *type;
 	const char *compat = "fsl-usb2-dr";
 	const char *prop_mode = "dr_mode";
 	const char *prop_type = "phy_type";
 	int node_offset;
 	int err;

 	mode = getenv("usb_dr_mode");
 	type = getenv("usb_phy_type");
 	if (!mode && !type)
 		return;

 	node_offset = fdt_node_offset_by_compatible(blob, 0, compat);
 	if (node_offset < 0) {
 		printf("WARNING: could not find compatible node %s: %s.\n",
 			compat, fdt_strerror(node_offset));
 		return;
 	}

 	if (mode) {
 		err = fdt_setprop(blob, node_offset, prop_mode, mode,
 				  strlen(mode) + 1);
 		if (err < 0)
 			printf("WARNING: could not set %s for %s: %s.\n",
 			       prop_mode, compat, fdt_strerror(err));
 	}

 	if (type) {
 		err = fdt_setprop(blob, node_offset, prop_type, type,
 				  strlen(type) + 1);
 		if (err < 0)
 			printf("WARNING: could not set %s for %s: %s.\n",
 			       prop_type, compat, fdt_strerror(err));
 	}
 }
 #endif /* CONFIG_HAS_FSL_DR_USB */

 /*
  * update crypto node properties to a specified revision of the SEC
  * called with sec_rev == 0 if not on an E processor
  */
 #if CONFIG_SYS_FSL_SEC_COMPAT == 2 /* SEC 2.x/3.x */
 void fdt_fixup_crypto_node(void *blob, int sec_rev)
 {
 	const struct sec_rev_prop {
 		u32 sec_rev;
 		u32 num_channels;
 		u32 channel_fifo_len;
 		u32 exec_units_mask;
 		u32 descriptor_types_mask;
 	} sec_rev_prop_list [] = {
 		{ 0x0200, 4, 24, 0x07e, 0x01010ebf }, /* SEC 2.0 */
 		{ 0x0201, 4, 24, 0x0fe, 0x012b0ebf }, /* SEC 2.1 */
 		{ 0x0202, 1, 24, 0x04c, 0x0122003f }, /* SEC 2.2 */
 		{ 0x0204, 4, 24, 0x07e, 0x012b0ebf }, /* SEC 2.4 */
 		{ 0x0300, 4, 24, 0x9fe, 0x03ab0ebf }, /* SEC 3.0 */
 		{ 0x0301, 4, 24, 0xbfe, 0x03ab0ebf }, /* SEC 3.1 */
 		{ 0x0303, 4, 24, 0x97c, 0x03a30abf }, /* SEC 3.3 */
 	};
 	char compat_strlist[ARRAY_SIZE(sec_rev_prop_list) *
 			    sizeof("fsl,secX.Y")];
 	int crypto_node, sec_idx, err;
 	char *p;
 	u32 val;

 	/* locate crypto node based on lowest common compatible */
 	crypto_node = fdt_node_offset_by_compatible(blob, -1, "fsl,sec2.0");
 	if (crypto_node == -FDT_ERR_NOTFOUND)
 		return;

 	/* delete it if not on an E-processor */
 	if (crypto_node > 0 && !sec_rev) {
 		fdt_del_node(blob, crypto_node);
 		return;
 	}

 	/* else we got called for possible uprev */
 	for (sec_idx = 0; sec_idx < ARRAY_SIZE(sec_rev_prop_list); sec_idx++)
 		if (sec_rev_prop_list[sec_idx].sec_rev == sec_rev)
 			break;

 	if (sec_idx == ARRAY_SIZE(sec_rev_prop_list)) {
 		puts("warning: unknown SEC revision number\n");
 		return;
 	}

 	val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].num_channels);
 	err = fdt_setprop(blob, crypto_node, "fsl,num-channels", &val, 4);
 	if (err < 0)
 		printf("WARNING: could not set crypto property: %s\n",
 		       fdt_strerror(err));

 	val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].descriptor_types_mask);
 	err = fdt_setprop(blob, crypto_node, "fsl,descriptor-types-mask", &val, 4);
 	if (err < 0)
 		printf("WARNING: could not set crypto property: %s\n",
 		       fdt_strerror(err));

 	val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].exec_units_mask);
 	err = fdt_setprop(blob, crypto_node, "fsl,exec-units-mask", &val, 4);
 	if (err < 0)
 		printf("WARNING: could not set crypto property: %s\n",
 		       fdt_strerror(err));

 	val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].channel_fifo_len);
 	err = fdt_setprop(blob, crypto_node, "fsl,channel-fifo-len", &val, 4);
 	if (err < 0)
 		printf("WARNING: could not set crypto property: %s\n",
 		       fdt_strerror(err));

 	val = 0;
 	while (sec_idx >= 0) {
 		p = compat_strlist + val;
 		val += sprintf(p, "fsl,sec%d.%d",
 			(sec_rev_prop_list[sec_idx].sec_rev & 0xff00) >> 8,
 			sec_rev_prop_list[sec_idx].sec_rev & 0x00ff) + 1;
 		sec_idx--;
 	}
 	err = fdt_setprop(blob, crypto_node, "compatible", &compat_strlist, val);
 	if (err < 0)
 		printf("WARNING: could not set crypto property: %s\n",
 		       fdt_strerror(err));
 }
 #elif CONFIG_SYS_FSL_SEC_COMPAT >= 4  /* SEC4 */
 void fdt_fixup_crypto_node(void *blob, int sec_rev)
 {
 	if (!sec_rev)
 		fdt_del_node_and_alias(blob, "crypto");
 }
 #endif

 int fdt_fixup_phy_connection(void *blob, int offset, enum fsl_phy_enet_if phyc)
 {
 	static const char *fsl_phy_enet_if_str[] = {
 		[MII]		= "mii",
 		[RMII]		= "rmii",
 		[GMII]		= "gmii",
 		[RGMII]		= "rgmii",
 		[RGMII_ID]	= "rgmii-id",
 		[RGMII_RXID]	= "rgmii-rxid",
 		[SGMII]		= "sgmii",
 		[TBI]		= "tbi",
 		[RTBI]		= "rtbi",
 		[XAUI]		= "xgmii",
 		[FSL_ETH_IF_NONE] = "",
 	};

 	if (phyc > ARRAY_SIZE(fsl_phy_enet_if_str))
 		return fdt_setprop_string(blob, offset, "phy-connection-type", "");

 	return fdt_setprop_string(blob, offset, "phy-connection-type",
 					 fsl_phy_enet_if_str[phyc]);
 }

 #ifdef CONFIG_SYS_SRIO
 void ft_srio_setup(void *blob)
 {
 #ifdef CONFIG_SRIO1
 	if (!is_serdes_configured(SRIO1)) {
 		fdt_del_node_and_alias(blob, "rio0");
 	}
 #else
 	fdt_del_node_and_alias(blob, "rio0");
 #endif
 #ifdef CONFIG_SRIO2
 	if (!is_serdes_configured(SRIO2)) {
 		fdt_del_node_and_alias(blob, "rio1");
 	}
 #else
 	fdt_del_node_and_alias(blob, "rio1");
 #endif
 }
 #endif
	/*
	* Copyright 2009-2011 Freescale Semiconductor, Inc.
	*
	* This file is derived from arch/powerpc/cpu/mpc85xx/cpu.c and
	* arch/powerpc/cpu/mpc86xx/cpu.c. Basically this file contains
	* cpu specific common code for 85xx/86xx processors.
	* See file CREDITS for list of people who contributed to this
	* project.
	*
	* This program is free software; you can redistribute it and/or
	* modify it under the terms of the GNU General Public License as
	* published by the Free Software Foundation; either version 2 of
	* the License, or (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	* MA 02111-1307 USA
	*/

	#include <common.h>
	#include <libfdt.h>
	#include <fdt_support.h>
	#include <asm/mp.h>
	#include <asm/fsl_enet.h>
	#include <asm/fsl_serdes.h>

	#if defined(CONFIG_MP) && (defined(CONFIG_MPC85xx) \|\| defined(CONFIG_MPC86xx))
	static int ft_del_cpuhandle(void *blob, int cpuhandle)
	{
	int off, ret = -FDT_ERR_NOTFOUND;

	/* if we find a match, we'll delete at it which point the offsets are
	* invalid so we start over from the beginning
	*/
	off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
	&cpuhandle, 4);
	while (off != -FDT_ERR_NOTFOUND) {
	fdt_delprop(blob, off, "cpu-handle");
	ret = 1;
	off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
	&cpuhandle, 4);
	}

	return ret;
	}

	void ft_fixup_num_cores(void *blob) {
	int off, num_cores, del_cores;

	del_cores = 0;
	num_cores = cpu_numcores();

	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
	while (off != -FDT_ERR_NOTFOUND) {
	u32 reg = (u32 )fdt_getprop(blob, off, "reg", 0);

	if ((reg > num_cores-1) \|\| (is_core_disabled(reg))) {
	int ph = fdt_get_phandle(blob, off);

	/* Delete the cpu node once there are no cpu handles */
	if (-FDT_ERR_NOTFOUND == ft_del_cpuhandle(blob, ph)) {
	fdt_del_node(blob, off);
	del_cores++;
	}
	/* either we deleted some cpu handles or the cpu node
	* so we reset the offset back to the start since we
	* can't trust the offsets anymore
	*/
	off = -1;
	}
	off = fdt_node_offset_by_prop_value(blob, off,
	"device_type", "cpu", 4);
	}
	debug ("%x core system found\n", num_cores);
	debug ("deleted %d extra core entry entries from device tree\n",
	del_cores);
	}
	#endif /* defined(CONFIG_MPC85xx) \|\| defined(CONFIG_MPC86xx) */

	#ifdef CONFIG_HAS_FSL_DR_USB
	void fdt_fixup_dr_usb(void blob, bd_t bd)
	{
	char *mode;
	char *type;
	const char *compat = "fsl-usb2-dr";
	const char *prop_mode = "dr_mode";
	const char *prop_type = "phy_type";
	int node_offset;
	int err;

	mode = getenv("usb_dr_mode");
	type = getenv("usb_phy_type");
	if (!mode && !type)
	return;

	node_offset = fdt_node_offset_by_compatible(blob, 0, compat);
	if (node_offset < 0) {
	printf("WARNING: could not find compatible node %s: %s.\n",
	compat, fdt_strerror(node_offset));
	return;
	}

	if (mode) {
	err = fdt_setprop(blob, node_offset, prop_mode, mode,
	strlen(mode) + 1);
	if (err < 0)
	printf("WARNING: could not set %s for %s: %s.\n",
	prop_mode, compat, fdt_strerror(err));
	}

	if (type) {
	err = fdt_setprop(blob, node_offset, prop_type, type,
	strlen(type) + 1);
	if (err < 0)
	printf("WARNING: could not set %s for %s: %s.\n",
	prop_type, compat, fdt_strerror(err));
	}
	}
	#endif /* CONFIG_HAS_FSL_DR_USB */

	/*
	* update crypto node properties to a specified revision of the SEC
	* called with sec_rev == 0 if not on an E processor
	*/
	#if CONFIG_SYS_FSL_SEC_COMPAT == 2 /* SEC 2.x/3.x */
	void fdt_fixup_crypto_node(void *blob, int sec_rev)
	{
	const struct sec_rev_prop {
	u32 sec_rev;
	u32 num_channels;
	u32 channel_fifo_len;
	u32 exec_units_mask;
	u32 descriptor_types_mask;
	} sec_rev_prop_list [] = {
	{ 0x0200, 4, 24, 0x07e, 0x01010ebf }, /* SEC 2.0 */
	{ 0x0201, 4, 24, 0x0fe, 0x012b0ebf }, /* SEC 2.1 */
	{ 0x0202, 1, 24, 0x04c, 0x0122003f }, /* SEC 2.2 */
	{ 0x0204, 4, 24, 0x07e, 0x012b0ebf }, /* SEC 2.4 */
	{ 0x0300, 4, 24, 0x9fe, 0x03ab0ebf }, /* SEC 3.0 */
	{ 0x0301, 4, 24, 0xbfe, 0x03ab0ebf }, /* SEC 3.1 */
	{ 0x0303, 4, 24, 0x97c, 0x03a30abf }, /* SEC 3.3 */
	};
	char compat_strlist[ARRAY_SIZE(sec_rev_prop_list) *
	sizeof("fsl,secX.Y")];
	int crypto_node, sec_idx, err;
	char *p;
	u32 val;

	/* locate crypto node based on lowest common compatible */
	crypto_node = fdt_node_offset_by_compatible(blob, -1, "fsl,sec2.0");
	if (crypto_node == -FDT_ERR_NOTFOUND)
	return;

	/* delete it if not on an E-processor */
	if (crypto_node > 0 && !sec_rev) {
	fdt_del_node(blob, crypto_node);
	return;
	}

	/* else we got called for possible uprev */
	for (sec_idx = 0; sec_idx < ARRAY_SIZE(sec_rev_prop_list); sec_idx++)
	if (sec_rev_prop_list[sec_idx].sec_rev == sec_rev)
	break;

	if (sec_idx == ARRAY_SIZE(sec_rev_prop_list)) {
	puts("warning: unknown SEC revision number\n");
	return;
	}

	val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].num_channels);
	err = fdt_setprop(blob, crypto_node, "fsl,num-channels", &val, 4);
	if (err < 0)
	printf("WARNING: could not set crypto property: %s\n",
	fdt_strerror(err));

	val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].descriptor_types_mask);
	err = fdt_setprop(blob, crypto_node, "fsl,descriptor-types-mask", &val, 4);
	if (err < 0)
	printf("WARNING: could not set crypto property: %s\n",
	fdt_strerror(err));

	val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].exec_units_mask);
	err = fdt_setprop(blob, crypto_node, "fsl,exec-units-mask", &val, 4);
	if (err < 0)
	printf("WARNING: could not set crypto property: %s\n",
	fdt_strerror(err));

	val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].channel_fifo_len);
	err = fdt_setprop(blob, crypto_node, "fsl,channel-fifo-len", &val, 4);
	if (err < 0)
	printf("WARNING: could not set crypto property: %s\n",
	fdt_strerror(err));

	val = 0;
	while (sec_idx >= 0) {
	p = compat_strlist + val;
	val += sprintf(p, "fsl,sec%d.%d",
	(sec_rev_prop_list[sec_idx].sec_rev & 0xff00) >> 8,
	sec_rev_prop_list[sec_idx].sec_rev & 0x00ff) + 1;
	sec_idx--;
	}
	err = fdt_setprop(blob, crypto_node, "compatible", &compat_strlist, val);
	if (err < 0)
	printf("WARNING: could not set crypto property: %s\n",
	fdt_strerror(err));
	}
	#elif CONFIG_SYS_FSL_SEC_COMPAT >= 4 /* SEC4 */
	void fdt_fixup_crypto_node(void *blob, int sec_rev)
	{
	if (!sec_rev)
	fdt_del_node_and_alias(blob, "crypto");
	}
	#endif

	int fdt_fixup_phy_connection(void *blob, int offset, enum fsl_phy_enet_if phyc)
	{
	static const char *fsl_phy_enet_if_str[] = {
	[MII] = "mii",
	[RMII] = "rmii",
	[GMII] = "gmii",
	[RGMII] = "rgmii",
	[RGMII_ID] = "rgmii-id",
	[RGMII_RXID] = "rgmii-rxid",
	[SGMII] = "sgmii",
	[TBI] = "tbi",
	[RTBI] = "rtbi",
	[XAUI] = "xgmii",
	[FSL_ETH_IF_NONE] = "",
	};

	if (phyc > ARRAY_SIZE(fsl_phy_enet_if_str))
	return fdt_setprop_string(blob, offset, "phy-connection-type", "");

	return fdt_setprop_string(blob, offset, "phy-connection-type",
	fsl_phy_enet_if_str[phyc]);
	}

	#ifdef CONFIG_SYS_SRIO
	void ft_srio_setup(void *blob)
	{
	#ifdef CONFIG_SRIO1
	if (!is_serdes_configured(SRIO1)) {
	fdt_del_node_and_alias(blob, "rio0");
	}
	#else
	fdt_del_node_and_alias(blob, "rio0");
	#endif
	#ifdef CONFIG_SRIO2
	if (!is_serdes_configured(SRIO2)) {
	fdt_del_node_and_alias(blob, "rio1");
	}
	#else
	fdt_del_node_and_alias(blob, "rio1");
	#endif
	}
	#endif